diff options
Diffstat (limited to 'portaudio/test')
47 files changed, 0 insertions, 10490 deletions
diff --git a/portaudio/test/CMakeLists.txt b/portaudio/test/CMakeLists.txt deleted file mode 100644 index 973568f..0000000 --- a/portaudio/test/CMakeLists.txt +++ /dev/null @@ -1,13 +0,0 @@ -# Test projects -# Use the macro to add test projects - -MACRO(ADD_TEST appl_name) - ADD_EXECUTABLE(${appl_name} "${appl_name}.c") - TARGET_LINK_LIBRARIES(${appl_name} portaudio_static) - SET_TARGET_PROPERTIES(${appl_name} - PROPERTIES - FOLDER "Test" - ) -ENDMACRO(ADD_TEST) - -ADD_TEST(patest_longsine) diff --git a/portaudio/test/README.txt b/portaudio/test/README.txt deleted file mode 100644 index 7cce15e..0000000 --- a/portaudio/test/README.txt +++ /dev/null @@ -1,52 +0,0 @@ -TODO - This should be moved into a doxydoc page. - -For more information on the TestPlan please visit: - - http://www.portaudio.com/trac/wiki/TestPlan - -This directory contains various programs to test PortAudio. The files -named patest_* are tests. - -All following tests are up to date with the V19 API. They should all compile -(without any warnings on GCC 3.3). Note that this does not necessarily mean that -the tests pass, just that they compile. - - x- paqa_devs.c - x- paqa_errs.c (needs reviewing) - x- patest1.c - x- patest_buffer.c - x- patest_callbackstop.c - x- patest_clip.c (last test fails, dither doesn't currently force clip in V19) - x- patest_dither.c - x- patest_hang.c - x- patest_latency.c - x- patest_leftright.c - x- patest_longsine.c - x- patest_many.c - x- patest_maxsines.c - x- patest_mono.c - x- patest_multi_sine.c - x- patest_pink.c - x- patest_prime.c - x- patest_read_record.c - x- patest_record.c - x- patest_ringmix.c - x- patest_saw.c - x- patest_sine.c - x- patest_sine8.c - x- patest_sine_formats.c - x- patest_sine_time.c - x- patest_start_stop.c - x- patest_stop.c - x- patest_sync.c - x- patest_toomanysines.c - x- patest_two_rates.c - x- patest_underflow.c - x- patest_wire.c - x- patest_write_sine.c - x- pa_devs.c - x- pa_fuzz.c - x- pa_minlat.c - -Note that Phil Burk deleted the debug_* tests on 2/26/11. They were just hacked -versions of old V18 tests. If we need to debug then we can just hack a working V19 test. diff --git a/portaudio/test/pa_minlat.c b/portaudio/test/pa_minlat.c deleted file mode 100644 index 683b2bb..0000000 --- a/portaudio/test/pa_minlat.c +++ /dev/null @@ -1,205 +0,0 @@ -/** @file pa_minlat.c - @ingroup test_src - @brief Experiment with different numbers of buffers to determine the - minimum latency for a computer. - @author Phil Burk http://www.softsynth.com -*/ -/* - * $Id$ - * - * This program uses the PortAudio Portable Audio Library. - * For more information see: http://www.portaudio.com - * Copyright (c) 1999-2000 Ross Bencina and Phil Burk - * - * Permission is hereby granted, free of charge, to any person obtaining - * a copy of this software and associated documentation files - * (the "Software"), to deal in the Software without restriction, - * including without limitation the rights to use, copy, modify, merge, - * publish, distribute, sublicense, and/or sell copies of the Software, - * and to permit persons to whom the Software is furnished to do so, - * subject to the following conditions: - * - * The above copyright notice and this permission notice shall be - * included in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. - * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF - * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION - * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - */ - -/* - * The text above constitutes the entire PortAudio license; however, - * the PortAudio community also makes the following non-binding requests: - * - * Any person wishing to distribute modifications to the Software is - * requested to send the modifications to the original developer so that - * they can be incorporated into the canonical version. It is also - * requested that these non-binding requests be included along with the - * license above. - */ - -#include <stdio.h> -#include <stdlib.h> -#include <math.h> -#include <string.h> -#include "portaudio.h" - -#ifndef M_PI -#define M_PI (3.14159265) -#endif -#define TWOPI (M_PI * 2.0) - -#define DEFAULT_BUFFER_SIZE (32) - -typedef struct -{ - double left_phase; - double right_phase; -} -paTestData; - -/* Very simple synthesis routine to generate two sine waves. */ -static int paminlatCallback( const void *inputBuffer, void *outputBuffer, - unsigned long framesPerBuffer, - const PaStreamCallbackTimeInfo* timeInfo, - PaStreamCallbackFlags statusFlags, - void *userData ) -{ - paTestData *data = (paTestData*)userData; - float *out = (float*)outputBuffer; - unsigned int i; - double left_phaseInc = 0.02; - double right_phaseInc = 0.06; - - double left_phase = data->left_phase; - double right_phase = data->right_phase; - - for( i=0; i<framesPerBuffer; i++ ) - { - left_phase += left_phaseInc; - if( left_phase > TWOPI ) left_phase -= TWOPI; - *out++ = (float) sin( left_phase ); - - right_phase += right_phaseInc; - if( right_phase > TWOPI ) right_phase -= TWOPI; - *out++ = (float) sin( right_phase ); - } - - data->left_phase = left_phase; - data->right_phase = right_phase; - return 0; -} - -int main( int argc, char **argv ); -int main( int argc, char **argv ) -{ - PaStreamParameters outputParameters; - PaStream *stream; - PaError err; - paTestData data; - int go; - int outLatency = 0; - int minLatency = DEFAULT_BUFFER_SIZE * 2; - int framesPerBuffer; - double sampleRate = 44100.0; - char str[256]; - char *line; - - printf("pa_minlat - Determine minimum latency for your computer.\n"); - printf(" usage: pa_minlat {userBufferSize}\n"); - printf(" for example: pa_minlat 64\n"); - printf("Adjust your stereo until you hear a smooth tone in each speaker.\n"); - printf("Then try to find the smallest number of frames that still sounds smooth.\n"); - printf("Note that the sound will stop momentarily when you change the number of buffers.\n"); - - /* Get bufferSize from command line. */ - framesPerBuffer = ( argc > 1 ) ? atol( argv[1] ) : DEFAULT_BUFFER_SIZE; - printf("Frames per buffer = %d\n", framesPerBuffer ); - - data.left_phase = data.right_phase = 0.0; - - err = Pa_Initialize(); - if( err != paNoError ) goto error; - - outLatency = sampleRate * 200.0 / 1000.0; /* 200 msec. */ - - /* Try different numBuffers in a loop. */ - go = 1; - while( go ) - { - outputParameters.device = Pa_GetDefaultOutputDevice(); /* Default output device. */ - outputParameters.channelCount = 2; /* Stereo output */ - outputParameters.sampleFormat = paFloat32; /* 32 bit floating point output. */ - outputParameters.suggestedLatency = (double)outLatency / sampleRate; /* In seconds. */ - outputParameters.hostApiSpecificStreamInfo = NULL; - - printf("Latency = %d frames = %6.1f msec.\n", outLatency, outputParameters.suggestedLatency * 1000.0 ); - - err = Pa_OpenStream( - &stream, - NULL, /* no input */ - &outputParameters, - sampleRate, - framesPerBuffer, - paClipOff, /* we won't output out of range samples so don't bother clipping them */ - paminlatCallback, - &data ); - if( err != paNoError ) goto error; - if( stream == NULL ) goto error; - - /* Start audio. */ - err = Pa_StartStream( stream ); - if( err != paNoError ) goto error; - - /* Ask user for a new nlatency. */ - printf("\nMove windows around to see if the sound glitches.\n"); - printf("Latency now %d, enter new number of frames, or 'q' to quit: ", outLatency ); - line = fgets( str, 256, stdin ); - if( line == NULL ) - { - go = 0; - } - else - { - { - /* Get rid of newline */ - size_t l = strlen( str ) - 1; - if( str[ l ] == '\n') - str[ l ] = '\0'; - } - - - if( str[0] == 'q' ) go = 0; - else - { - outLatency = atol( str ); - if( outLatency < minLatency ) - { - printf( "Latency below minimum of %d! Set to minimum!!!\n", minLatency ); - outLatency = minLatency; - } - } - - } - /* Stop sound until ENTER hit. */ - err = Pa_StopStream( stream ); - if( err != paNoError ) goto error; - err = Pa_CloseStream( stream ); - if( err != paNoError ) goto error; - } - printf("A good setting for latency would be somewhat higher than\n"); - printf("the minimum latency that worked.\n"); - printf("PortAudio: Test finished.\n"); - Pa_Terminate(); - return 0; -error: - Pa_Terminate(); - fprintf( stderr, "An error occurred while using the portaudio stream\n" ); - fprintf( stderr, "Error number: %d\n", err ); - fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) ); - return 1; -} diff --git a/portaudio/test/patest1.c b/portaudio/test/patest1.c deleted file mode 100644 index 25d6e3f..0000000 --- a/portaudio/test/patest1.c +++ /dev/null @@ -1,208 +0,0 @@ -/** @file patest1.c - @ingroup test_src - @brief Ring modulate the audio input with a sine wave for 20 seconds. - @author Ross Bencina <rossb@audiomulch.com> -*/ -/* - * $Id$ - * - * This program uses the PortAudio Portable Audio Library. - * For more information see: http://www.portaudio.com - * Copyright (c) 1999-2000 Ross Bencina and Phil Burk - * - * Permission is hereby granted, free of charge, to any person obtaining - * a copy of this software and associated documentation files - * (the "Software"), to deal in the Software without restriction, - * including without limitation the rights to use, copy, modify, merge, - * publish, distribute, sublicense, and/or sell copies of the Software, - * and to permit persons to whom the Software is furnished to do so, - * subject to the following conditions: - * - * The above copyright notice and this permission notice shall be - * included in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. - * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF - * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION - * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - */ - -/* - * The text above constitutes the entire PortAudio license; however, - * the PortAudio community also makes the following non-binding requests: - * - * Any person wishing to distribute modifications to the Software is - * requested to send the modifications to the original developer so that - * they can be incorporated into the canonical version. It is also - * requested that these non-binding requests be included along with the - * license above. - */ - -#include <stdio.h> -#include <math.h> -#include "portaudio.h" - -#ifndef M_PI -#define M_PI (3.14159265) -#endif - -#define SAMPLE_RATE (44100) - -typedef struct -{ - float sine[100]; - int phase; - int sampsToGo; -} -patest1data; - -static int patest1Callback( const void *inputBuffer, void *outputBuffer, - unsigned long framesPerBuffer, - const PaStreamCallbackTimeInfo* timeInfo, - PaStreamCallbackFlags statusFlags, - void *userData ) -{ - patest1data *data = (patest1data*)userData; - float *in = (float*)inputBuffer; - float *out = (float*)outputBuffer; - int framesToCalc = framesPerBuffer; - unsigned long i = 0; - int finished; - - if( data->sampsToGo < framesPerBuffer ) - { - framesToCalc = data->sampsToGo; - finished = paComplete; - } - else - { - finished = paContinue; - } - - for( ; i<framesToCalc; i++ ) - { - *out++ = *in++ * data->sine[data->phase]; /* left */ - *out++ = *in++ * data->sine[data->phase++]; /* right */ - if( data->phase >= 100 ) - data->phase = 0; - } - - data->sampsToGo -= framesToCalc; - - /* zero remainder of final buffer if not already done */ - for( ; i<framesPerBuffer; i++ ) - { - *out++ = 0; /* left */ - *out++ = 0; /* right */ - } - - return finished; -} - -int main(int argc, char* argv[]); -int main(int argc, char* argv[]) -{ - PaStream *stream; - PaError err; - patest1data data; - int i; - PaStreamParameters inputParameters, outputParameters; - const PaHostErrorInfo* herr; - - printf("patest1.c\n"); fflush(stdout); - printf("Ring modulate input for 20 seconds.\n"); fflush(stdout); - - /* initialise sinusoidal wavetable */ - for( i=0; i<100; i++ ) - data.sine[i] = sin( ((double)i/100.) * M_PI * 2. ); - data.phase = 0; - data.sampsToGo = SAMPLE_RATE * 20; /* 20 seconds. */ - - /* initialise portaudio subsystem */ - err = Pa_Initialize(); - - inputParameters.device = Pa_GetDefaultInputDevice(); /* default input device */ - if (inputParameters.device == paNoDevice) { - fprintf(stderr, "Error: No input default device.\n"); - goto done; - } - inputParameters.channelCount = 2; /* stereo input */ - inputParameters.sampleFormat = paFloat32; /* 32 bit floating point input */ - inputParameters.suggestedLatency = Pa_GetDeviceInfo( inputParameters.device )->defaultLowInputLatency; - inputParameters.hostApiSpecificStreamInfo = NULL; - - outputParameters.device = Pa_GetDefaultOutputDevice(); /* default output device */ - if (outputParameters.device == paNoDevice) { - fprintf(stderr,"Error: No default output device.\n"); - goto done; - } - outputParameters.channelCount = 2; /* stereo output */ - outputParameters.sampleFormat = paFloat32; /* 32 bit floating point output */ - outputParameters.suggestedLatency = Pa_GetDeviceInfo( outputParameters.device )->defaultLowOutputLatency; - outputParameters.hostApiSpecificStreamInfo = NULL; - - err = Pa_OpenStream( - &stream, - &inputParameters, - &outputParameters, - (double)SAMPLE_RATE, /* Samplerate in Hertz. */ - 512, /* Small buffers */ - paClipOff, /* We won't output out of range samples so don't bother clipping them. */ - patest1Callback, - &data ); - if( err != paNoError ) goto done; - - err = Pa_StartStream( stream ); - if( err != paNoError ) goto done; - - printf( "Press any key to end.\n" ); fflush(stdout); - - getc( stdin ); /* wait for input before exiting */ - - err = Pa_AbortStream( stream ); - if( err != paNoError ) goto done; - - printf( "Waiting for stream to complete...\n" ); - - /* sleep until playback has finished */ - while( ( err = Pa_IsStreamActive( stream ) ) == 1 ) Pa_Sleep(1000); - if( err < 0 ) goto done; - - err = Pa_CloseStream( stream ); - if( err != paNoError ) goto done; - -done: - Pa_Terminate(); - - if( err != paNoError ) - { - fprintf( stderr, "An error occurred while using portaudio\n" ); - if( err == paUnanticipatedHostError ) - { - fprintf( stderr, " unanticipated host error.\n"); - herr = Pa_GetLastHostErrorInfo(); - if (herr) - { - fprintf( stderr, " Error number: %ld\n", herr->errorCode ); - if (herr->errorText) - fprintf( stderr, " Error text: %s\n", herr->errorText ); - } - else - fprintf( stderr, " Pa_GetLastHostErrorInfo() failed!\n" ); - } - else - { - fprintf( stderr, " Error number: %d\n", err ); - fprintf( stderr, " Error text: %s\n", Pa_GetErrorText( err ) ); - } - - err = 1; /* Always return 0 or 1, but no other return codes. */ - } - - printf( "bye\n" ); - - return err; -} diff --git a/portaudio/test/patest_buffer.c b/portaudio/test/patest_buffer.c deleted file mode 100644 index d19e121..0000000 --- a/portaudio/test/patest_buffer.c +++ /dev/null @@ -1,206 +0,0 @@ -/** @file patest_buffer.c - @ingroup test_src - @brief Test opening streams with different buffer sizes. - @author Phil Burk http://www.softsynth.com -*/ -/* - * $Id$ - * - * This program uses the PortAudio Portable Audio Library. - * For more information see: http://www.portaudio.com - * Copyright (c) 1999-2000 Ross Bencina and Phil Burk - * - * Permission is hereby granted, free of charge, to any person obtaining - * a copy of this software and associated documentation files - * (the "Software"), to deal in the Software without restriction, - * including without limitation the rights to use, copy, modify, merge, - * publish, distribute, sublicense, and/or sell copies of the Software, - * and to permit persons to whom the Software is furnished to do so, - * subject to the following conditions: - * - * The above copyright notice and this permission notice shall be - * included in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. - * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF - * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION - * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - */ - -/* - * The text above constitutes the entire PortAudio license; however, - * the PortAudio community also makes the following non-binding requests: - * - * Any person wishing to distribute modifications to the Software is - * requested to send the modifications to the original developer so that - * they can be incorporated into the canonical version. It is also - * requested that these non-binding requests be included along with the - * license above. - */ - -#include <stdio.h> -#include <stdlib.h> -#include <math.h> -#include "portaudio.h" -#define NUM_SECONDS (3) -#define SAMPLE_RATE (44100) -#ifndef M_PI -#define M_PI (3.14159265) -#endif -#define TABLE_SIZE (200) - -#define BUFFER_TABLE 14 -long buffer_table[] = {paFramesPerBufferUnspecified,16,32,64,128,200,256,500,512,600,723,1000,1024,2345}; - -typedef struct -{ - short sine[TABLE_SIZE]; - int left_phase; - int right_phase; - unsigned int sampsToGo; -} -paTestData; -PaError TestOnce( int buffersize, PaDeviceIndex ); - -/* This routine will be called by the PortAudio engine when audio is needed. -** It may called at interrupt level on some machines so don't do anything -** that could mess up the system like calling malloc() or free(). -*/ -static int patest1Callback( const void *inputBuffer, void *outputBuffer, - unsigned long framesPerBuffer, - const PaStreamCallbackTimeInfo* timeInfo, - PaStreamCallbackFlags statusFlags, - void *userData ) -{ - paTestData *data = (paTestData*)userData; - short *out = (short*)outputBuffer; - unsigned int i; - int finished = 0; - (void) inputBuffer; /* Prevent "unused variable" warnings. */ - - if( data->sampsToGo < framesPerBuffer ) - { - /* final buffer... */ - - for( i=0; i<data->sampsToGo; i++ ) - { - *out++ = data->sine[data->left_phase]; /* left */ - *out++ = data->sine[data->right_phase]; /* right */ - data->left_phase += 1; - if( data->left_phase >= TABLE_SIZE ) data->left_phase -= TABLE_SIZE; - data->right_phase += 3; /* higher pitch so we can distinguish left and right. */ - if( data->right_phase >= TABLE_SIZE ) data->right_phase -= TABLE_SIZE; - } - /* zero remainder of final buffer */ - for( ; i<framesPerBuffer; i++ ) - { - *out++ = 0; /* left */ - *out++ = 0; /* right */ - } - - finished = 1; - } - else - { - for( i=0; i<framesPerBuffer; i++ ) - { - *out++ = data->sine[data->left_phase]; /* left */ - *out++ = data->sine[data->right_phase]; /* right */ - data->left_phase += 1; - if( data->left_phase >= TABLE_SIZE ) data->left_phase -= TABLE_SIZE; - data->right_phase += 3; /* higher pitch so we can distinguish left and right. */ - if( data->right_phase >= TABLE_SIZE ) data->right_phase -= TABLE_SIZE; - } - data->sampsToGo -= framesPerBuffer; - } - return finished; -} - -/*******************************************************************/ -int main(int argc, char **args); -int main(int argc, char **args) -{ - int i; - int device = -1; - PaError err; - printf("Test opening streams with different buffer sizes\n"); - if( argc > 1 ) { - device=atoi( args[1] ); - printf("Using device number %d.\n\n", device ); - } else { - printf("Using default device.\n\n" ); - } - - for (i = 0 ; i < BUFFER_TABLE; i++) - { - printf("Buffer size %ld\n", buffer_table[i]); - err = TestOnce(buffer_table[i], device); - if( err < 0 ) return 0; - - } - return 0; -} - - -PaError TestOnce( int buffersize, PaDeviceIndex device ) -{ - PaStreamParameters outputParameters; - PaStream *stream; - PaError err; - paTestData data; - int i; - int totalSamps; - /* initialise sinusoidal wavetable */ - for( i=0; i<TABLE_SIZE; i++ ) - { - data.sine[i] = (short) (32767.0 * sin( ((double)i/(double)TABLE_SIZE) * M_PI * 2. )); - } - data.left_phase = data.right_phase = 0; - data.sampsToGo = totalSamps = NUM_SECONDS * SAMPLE_RATE; /* Play for a few seconds. */ - err = Pa_Initialize(); - if( err != paNoError ) goto error; - - if( device == -1 ) - outputParameters.device = Pa_GetDefaultOutputDevice(); /* default output device */ - else - outputParameters.device = device ; - - if (outputParameters.device == paNoDevice) { - fprintf(stderr,"Error: No default output device.\n"); - goto error; - } - - outputParameters.channelCount = 2; /* stereo output */ - outputParameters.sampleFormat = paInt16; /* 32 bit floating point output */ - outputParameters.suggestedLatency = Pa_GetDeviceInfo( outputParameters.device )->defaultLowOutputLatency; - outputParameters.hostApiSpecificStreamInfo = NULL; - err = Pa_OpenStream( - &stream, - NULL, /* no input */ - &outputParameters, - SAMPLE_RATE, - buffersize, /* frames per buffer */ - (paClipOff | paDitherOff), - patest1Callback, - &data ); - if( err != paNoError ) goto error; - - err = Pa_StartStream( stream ); - if( err != paNoError ) goto error; - printf("Waiting for sound to finish.\n"); - Pa_Sleep(1000*NUM_SECONDS); - err = Pa_CloseStream( stream ); - if( err != paNoError ) goto error; - Pa_Terminate(); - return paNoError; -error: - Pa_Terminate(); - fprintf( stderr, "An error occurred while using the portaudio stream\n" ); - fprintf( stderr, "Error number: %d\n", err ); - fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) ); - fprintf( stderr, "Host Error message: %s\n", Pa_GetLastHostErrorInfo()->errorText ); - return err; -} diff --git a/portaudio/test/patest_callbackstop.c b/portaudio/test/patest_callbackstop.c deleted file mode 100644 index fba9dca..0000000 --- a/portaudio/test/patest_callbackstop.c +++ /dev/null @@ -1,252 +0,0 @@ -/** @file patest_callbackstop.c - @ingroup test_src - @brief Test the paComplete callback result code. - @author Ross Bencina <rossb@audiomulch.com> -*/ -/* - * $Id$ - * - * This program uses the PortAudio Portable Audio Library. - * For more information see: http://www.portaudio.com/ - * Copyright (c) 1999-2000 Ross Bencina and Phil Burk - * - * Permission is hereby granted, free of charge, to any person obtaining - * a copy of this software and associated documentation files - * (the "Software"), to deal in the Software without restriction, - * including without limitation the rights to use, copy, modify, merge, - * publish, distribute, sublicense, and/or sell copies of the Software, - * and to permit persons to whom the Software is furnished to do so, - * subject to the following conditions: - * - * The above copyright notice and this permission notice shall be - * included in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. - * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF - * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION - * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - */ - -/* - * The text above constitutes the entire PortAudio license; however, - * the PortAudio community also makes the following non-binding requests: - * - * Any person wishing to distribute modifications to the Software is - * requested to send the modifications to the original developer so that - * they can be incorporated into the canonical version. It is also - * requested that these non-binding requests be included along with the - * license above. - */ - -#include <stdio.h> -#include <math.h> -#include "portaudio.h" - -#define NUM_SECONDS (5) -#define NUM_LOOPS (4) -#define SAMPLE_RATE (44100) -#define FRAMES_PER_BUFFER (67) - -#ifndef M_PI -#define M_PI (3.14159265) -#endif - -#define TABLE_SIZE (200) -typedef struct -{ - float sine[TABLE_SIZE]; - int phase; - unsigned long generatedFramesCount; - volatile int callbackReturnedPaComplete; - volatile int callbackInvokedAfterReturningPaComplete; - char message[100]; -} -TestData; - -/* - This routine will be called by the PortAudio stream when audio is needed. - It may be called at interrupt level on some machines so don't do anything - that could mess up the system like calling malloc() or free(). -*/ -static int TestCallback( const void *input, void *output, - unsigned long frameCount, - const PaStreamCallbackTimeInfo* timeInfo, - PaStreamCallbackFlags statusFlags, - void *userData ) -{ - TestData *data = (TestData*)userData; - float *out = (float*)output; - unsigned long i; - float x; - - (void) input; /* Prevent unused variable warnings. */ - (void) timeInfo; - (void) statusFlags; - - - if( data->callbackReturnedPaComplete ) - data->callbackInvokedAfterReturningPaComplete = 1; - - for( i=0; i<frameCount; i++ ) - { - /* generate tone */ - - x = data->sine[ data->phase++ ]; - if( data->phase >= TABLE_SIZE ) - data->phase -= TABLE_SIZE; - - *out++ = x; /* left */ - *out++ = x; /* right */ - } - - data->generatedFramesCount += frameCount; - if( data->generatedFramesCount >= (NUM_SECONDS * SAMPLE_RATE) ) - { - data->callbackReturnedPaComplete = 1; - return paComplete; - } - else - { - return paContinue; - } -} - -/* - * This routine is called by portaudio when playback is done. - */ -static void StreamFinished( void* userData ) -{ - TestData *data = (TestData *) userData; - printf( "Stream Completed: %s\n", data->message ); -} - - -/*----------------------------------------------------------------------------*/ -int main(void); -int main(void) -{ - PaStreamParameters outputParameters; - PaStream *stream; - PaError err; - TestData data; - int i, j; - - - printf( "PortAudio Test: output sine wave. SR = %d, BufSize = %d\n", - SAMPLE_RATE, FRAMES_PER_BUFFER ); - - /* initialise sinusoidal wavetable */ - for( i=0; i<TABLE_SIZE; i++ ) - { - data.sine[i] = (float) sin( ((double)i/(double)TABLE_SIZE) * M_PI * 2. ); - } - - err = Pa_Initialize(); - if( err != paNoError ) goto error; - - outputParameters.device = Pa_GetDefaultOutputDevice(); - if (outputParameters.device == paNoDevice) { - fprintf(stderr,"Error: No default output device.\n"); - goto error; - } - outputParameters.channelCount = 2; /* stereo output */ - outputParameters.sampleFormat = paFloat32; /* 32 bit floating point output */ - outputParameters.suggestedLatency = Pa_GetDeviceInfo( outputParameters.device )->defaultLowOutputLatency; - outputParameters.hostApiSpecificStreamInfo = NULL; - - err = Pa_OpenStream( - &stream, - NULL, /* no input */ - &outputParameters, - SAMPLE_RATE, - FRAMES_PER_BUFFER, - paClipOff, /* output will be in-range, so no need to clip */ - TestCallback, - &data ); - if( err != paNoError ) goto error; - - sprintf( data.message, "Loop: XX" ); - err = Pa_SetStreamFinishedCallback( stream, &StreamFinished ); - if( err != paNoError ) goto error; - - printf("Repeating test %d times.\n", NUM_LOOPS ); - - for( i=0; i < NUM_LOOPS; ++i ) - { - data.phase = 0; - data.generatedFramesCount = 0; - data.callbackReturnedPaComplete = 0; - data.callbackInvokedAfterReturningPaComplete = 0; - sprintf( data.message, "Loop: %d", i ); - - err = Pa_StartStream( stream ); - if( err != paNoError ) goto error; - - printf("Play for %d seconds.\n", NUM_SECONDS ); - - /* wait for the callback to complete generating NUM_SECONDS of tone */ - - do - { - Pa_Sleep( 500 ); - } - while( !data.callbackReturnedPaComplete ); - - printf( "Callback returned paComplete.\n" ); - printf( "Waiting for buffers to finish playing...\n" ); - - /* wait for stream to become inactive, - or for a timeout of approximately NUM_SECONDS - */ - - j = 0; - while( (err = Pa_IsStreamActive( stream )) == 1 && j < NUM_SECONDS * 2 ) - { - printf(".\n" ); - Pa_Sleep( 500 ); - ++j; - } - - if( err < 0 ) - { - goto error; - } - else if( err == 1 ) - { - printf( "TEST FAILED: Timed out waiting for buffers to finish playing.\n" ); - } - else - { - printf("Buffers finished.\n" ); - } - - if( data.callbackInvokedAfterReturningPaComplete ) - { - printf( "TEST FAILED: Callback was invoked after returning paComplete.\n" ); - } - - - err = Pa_StopStream( stream ); - if( err != paNoError ) goto error; - - printf( "sleeping for 1 second...\n" ); - Pa_Sleep( 1000 ); - } - - err = Pa_CloseStream( stream ); - if( err != paNoError ) goto error; - - Pa_Terminate(); - printf("Test finished.\n"); - - return err; -error: - Pa_Terminate(); - fprintf( stderr, "An error occurred while using the portaudio stream\n" ); - fprintf( stderr, "Error number: %d\n", err ); - fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) ); - return err; -} diff --git a/portaudio/test/patest_clip.c b/portaudio/test/patest_clip.c deleted file mode 100644 index 77989f4..0000000 --- a/portaudio/test/patest_clip.c +++ /dev/null @@ -1,190 +0,0 @@ -/** @file patest_clip.c - @ingroup test_src - @brief Play a sine wave for several seconds at an amplitude - that would require clipping. - - @author Phil Burk http://www.softsynth.com -*/ -/* - * $Id$ - * - * This program uses the PortAudio Portable Audio Library. - * For more information see: http://www.portaudio.com - * Copyright (c) 1999-2000 Ross Bencina and Phil Burk - * - * Permission is hereby granted, free of charge, to any person obtaining - * a copy of this software and associated documentation files - * (the "Software"), to deal in the Software without restriction, - * including without limitation the rights to use, copy, modify, merge, - * publish, distribute, sublicense, and/or sell copies of the Software, - * and to permit persons to whom the Software is furnished to do so, - * subject to the following conditions: - * - * The above copyright notice and this permission notice shall be - * included in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. - * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF - * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION - * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - */ - -/* - * The text above constitutes the entire PortAudio license; however, - * the PortAudio community also makes the following non-binding requests: - * - * Any person wishing to distribute modifications to the Software is - * requested to send the modifications to the original developer so that - * they can be incorporated into the canonical version. It is also - * requested that these non-binding requests be included along with the - * license above. - */ - -#include <stdio.h> -#include <math.h> -#include "portaudio.h" - -#define NUM_SECONDS (4) -#define SAMPLE_RATE (44100) -#ifndef M_PI -#define M_PI (3.14159265) -#endif -#define TABLE_SIZE (200) - -typedef struct paTestData -{ - float sine[TABLE_SIZE]; - float amplitude; - int left_phase; - int right_phase; -} -paTestData; - -PaError PlaySine( paTestData *data, unsigned long flags, float amplitude ); - -/* This routine will be called by the PortAudio engine when audio is needed. -** It may called at interrupt level on some machines so don't do anything -** that could mess up the system like calling malloc() or free(). -*/ -static int sineCallback( const void *inputBuffer, void *outputBuffer, - unsigned long framesPerBuffer, - const PaStreamCallbackTimeInfo* timeInfo, - PaStreamCallbackFlags statusFlags, - void *userData ) -{ - paTestData *data = (paTestData*)userData; - float *out = (float*)outputBuffer; - float amplitude = data->amplitude; - unsigned int i; - (void) inputBuffer; /* Prevent "unused variable" warnings. */ - (void) timeInfo; - (void) statusFlags; - - for( i=0; i<framesPerBuffer; i++ ) - { - *out++ = amplitude * data->sine[data->left_phase]; /* left */ - *out++ = amplitude * data->sine[data->right_phase]; /* right */ - data->left_phase += 1; - if( data->left_phase >= TABLE_SIZE ) data->left_phase -= TABLE_SIZE; - data->right_phase += 3; /* higher pitch so we can distinguish left and right. */ - if( data->right_phase >= TABLE_SIZE ) data->right_phase -= TABLE_SIZE; - } - return 0; -} -/*******************************************************************/ -int main(void); -int main(void) -{ - PaError err; - paTestData data; - int i; - - printf("PortAudio Test: output sine wave with and without clipping.\n"); - /* initialise sinusoidal wavetable */ - for( i=0; i<TABLE_SIZE; i++ ) - { - data.sine[i] = (float) sin( ((double)i/(double)TABLE_SIZE) * M_PI * 2. ); - } - - printf("\nHalf amplitude. Should sound like sine wave.\n"); fflush(stdout); - err = PlaySine( &data, paClipOff | paDitherOff, 0.5f ); - if( err < 0 ) goto error; - - printf("\nFull amplitude. Should sound like sine wave.\n"); fflush(stdout); - err = PlaySine( &data, paClipOff | paDitherOff, 0.999f ); - if( err < 0 ) goto error; - - printf("\nOver range with clipping and dithering turned OFF. Should sound very nasty.\n"); - fflush(stdout); - err = PlaySine( &data, paClipOff | paDitherOff, 1.1f ); - if( err < 0 ) goto error; - - printf("\nOver range with clipping and dithering turned ON. Should sound smoother than previous.\n"); - fflush(stdout); - err = PlaySine( &data, paNoFlag, 1.1f ); - if( err < 0 ) goto error; - - printf("\nOver range with paClipOff but dithering ON.\n" - "That forces clipping ON so it should sound the same as previous.\n"); - fflush(stdout); - err = PlaySine( &data, paClipOff, 1.1f ); - if( err < 0 ) goto error; - - return 0; -error: - fprintf( stderr, "An error occurred while using the portaudio stream\n" ); - fprintf( stderr, "Error number: %d\n", err ); - fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) ); - return 1; -} -/*****************************************************************************/ -PaError PlaySine( paTestData *data, unsigned long flags, float amplitude ) -{ - PaStreamParameters outputParameters; - PaStream *stream; - PaError err; - - data->left_phase = data->right_phase = 0; - data->amplitude = amplitude; - - err = Pa_Initialize(); - if( err != paNoError ) goto error; - - outputParameters.device = Pa_GetDefaultOutputDevice(); /* default output device */ - if (outputParameters.device == paNoDevice) { - fprintf(stderr,"Error: No default output device.\n"); - goto error; - } - outputParameters.channelCount = 2; /* stereo output */ - outputParameters.sampleFormat = paFloat32; /* 32 bit floating point output */ - outputParameters.suggestedLatency = Pa_GetDeviceInfo( outputParameters.device )->defaultLowOutputLatency; - outputParameters.hostApiSpecificStreamInfo = NULL; - - err = Pa_OpenStream( - &stream, - NULL, /* no input */ - &outputParameters, - SAMPLE_RATE, - 1024, - flags, - sineCallback, - data ); - if( err != paNoError ) goto error; - - err = Pa_StartStream( stream ); - if( err != paNoError ) goto error; - - Pa_Sleep( NUM_SECONDS * 1000 ); - printf("CPULoad = %8.6f\n", Pa_GetStreamCpuLoad( stream ) ); - - err = Pa_CloseStream( stream ); - if( err != paNoError ) goto error; - - Pa_Terminate(); - return paNoError; -error: - return err; -} diff --git a/portaudio/test/patest_converters.c b/portaudio/test/patest_converters.c deleted file mode 100644 index f76738c..0000000 --- a/portaudio/test/patest_converters.c +++ /dev/null @@ -1,395 +0,0 @@ -/** @file patest_converters.c - @ingroup test_src - @brief Tests the converter functions in pa_converters.c - @author Ross Bencina <rossb@audiomulch.com> - - Link with pa_dither.c and pa_converters.c - - see http://www.portaudio.com/trac/wiki/V19ConvertersStatus for a discussion of this. -*/ -/* - * $Id: $ - * - * This program uses the PortAudio Portable Audio Library. - * For more information see: http://www.portaudio.com/ - * Copyright (c) 1999-2008 Ross Bencina and Phil Burk - * - * Permission is hereby granted, free of charge, to any person obtaining - * a copy of this software and associated documentation files - * (the "Software"), to deal in the Software without restriction, - * including without limitation the rights to use, copy, modify, merge, - * publish, distribute, sublicense, and/or sell copies of the Software, - * and to permit persons to whom the Software is furnished to do so, - * subject to the following conditions: - * - * The above copyright notice and this permission notice shall be - * included in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. - * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF - * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION - * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - */ - -/* - * The text above constitutes the entire PortAudio license; however, - * the PortAudio community also makes the following non-binding requests: - * - * Any person wishing to distribute modifications to the Software is - * requested to send the modifications to the original developer so that - * they can be incorporated into the canonical version. It is also - * requested that these non-binding requests be included along with the - * license above. - */ -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <math.h> - -#include "portaudio.h" -#include "pa_converters.h" -#include "pa_dither.h" -#include "pa_types.h" -#include "pa_endianness.h" - -#ifndef M_PI -#define M_PI (3.14159265) -#endif - -#define MAX_PER_CHANNEL_FRAME_COUNT (2048) -#define MAX_CHANNEL_COUNT (8) - - -#define SAMPLE_FORMAT_COUNT (6) - -static PaSampleFormat sampleFormats_[ SAMPLE_FORMAT_COUNT ] = - { paFloat32, paInt32, paInt24, paInt16, paInt8, paUInt8 }; /* all standard PA sample formats */ - -static const char* sampleFormatNames_[SAMPLE_FORMAT_COUNT] = - { "paFloat32", "paInt32", "paInt24", "paInt16", "paInt8", "paUInt8" }; - - -static const char* abbreviatedSampleFormatNames_[SAMPLE_FORMAT_COUNT] = - { "f32", "i32", "i24", "i16", " i8", "ui8" }; - - -PaError My_Pa_GetSampleSize( PaSampleFormat format ); - -/* - available flags are paClipOff and paDitherOff - clipping is usually applied for float -> int conversions - dither is usually applied for all downconversions (ie anything but 8bit->8bit conversions -*/ - -static int CanClip( PaSampleFormat sourceFormat, PaSampleFormat destinationFormat ) -{ - if( sourceFormat == paFloat32 && destinationFormat != sourceFormat ) - return 1; - else - return 0; -} - -static int CanDither( PaSampleFormat sourceFormat, PaSampleFormat destinationFormat ) -{ - if( sourceFormat < destinationFormat && sourceFormat != paInt8 ) - return 1; - else - return 0; -} - -static void GenerateOneCycleSineReference( double *out, int frameCount, int strideFrames ) -{ - int i; - for( i=0; i < frameCount; ++i ){ - *out = sin( ((double)i/(double)frameCount) * 2. * M_PI ); - out += strideFrames; - } -} - - -static void GenerateOneCycleSine( PaSampleFormat format, void *buffer, int frameCount, int strideFrames ) -{ - switch( format ){ - - case paFloat32: - { - int i; - float *out = (float*)buffer; - for( i=0; i < frameCount; ++i ){ - *out = (float).9 * sin( ((double)i/(double)frameCount) * 2. * M_PI ); - out += strideFrames; - } - } - break; - case paInt32: - { - int i; - PaInt32 *out = (PaInt32*)buffer; - for( i=0; i < frameCount; ++i ){ - *out = (PaInt32)(.9 * sin( ((double)i/(double)frameCount) * 2. * M_PI ) * 0x7FFFFFFF); - out += strideFrames; - } - } - break; - case paInt24: - { - int i; - unsigned char *out = (unsigned char*)buffer; - for( i=0; i < frameCount; ++i ){ - signed long temp = (PaInt32)(.9 * sin( ((double)i/(double)frameCount) * 2. * M_PI ) * 0x7FFFFFFF); - - #if defined(PA_LITTLE_ENDIAN) - out[0] = (unsigned char)(temp >> 8) & 0xFF; - out[1] = (unsigned char)(temp >> 16) & 0xFF; - out[2] = (unsigned char)(temp >> 24) & 0xFF; - #elif defined(PA_BIG_ENDIAN) - out[0] = (unsigned char)(temp >> 24) & 0xFF; - out[1] = (unsigned char)(temp >> 16) & 0xFF; - out[2] = (unsigned char)(temp >> 8) & 0xFF; - #endif - out += 3; - } - } - break; - case paInt16: - { - int i; - PaInt16 *out = (PaInt16*)buffer; - for( i=0; i < frameCount; ++i ){ - *out = (PaInt16)(.9 * sin( ((double)i/(double)frameCount) * 2. * M_PI ) * 0x7FFF ); - out += strideFrames; - } - } - break; - case paInt8: - { - int i; - signed char *out = (signed char*)buffer; - for( i=0; i < frameCount; ++i ){ - *out = (signed char)(.9 * sin( ((double)i/(double)frameCount) * 2. * M_PI ) * 0x7F ); - out += strideFrames; - } - } - break; - case paUInt8: - { - int i; - unsigned char *out = (unsigned char*)buffer; - for( i=0; i < frameCount; ++i ){ - *out = (unsigned char)( .5 * (1. + (.9 * sin( ((double)i/(double)frameCount) * 2. * M_PI ))) * 0xFF ); - out += strideFrames; - } - } - break; - } -} - -int TestNonZeroPresent( void *buffer, int size ) -{ - char *p = (char*)buffer; - int i; - - for( i=0; i < size; ++i ){ - - if( *p != 0 ) - return 1; - ++p; - } - - return 0; -} - -float MaximumAbsDifference( float* sourceBuffer, float* referenceBuffer, int count ) -{ - float result = 0; - float difference; - while( count-- ){ - difference = fabs( *sourceBuffer++ - *referenceBuffer++ ); - if( difference > result ) - result = difference; - } - - return result; -} - -int main( const char **argv, int argc ) -{ - PaUtilTriangularDitherGenerator ditherState; - PaUtilConverter *converter; - void *destinationBuffer, *sourceBuffer; - double *referenceBuffer; - int sourceFormatIndex, destinationFormatIndex; - PaSampleFormat sourceFormat, destinationFormat; - PaStreamFlags flags; - int passFailMatrix[SAMPLE_FORMAT_COUNT][SAMPLE_FORMAT_COUNT]; // [source][destination] - float noiseAmplitudeMatrix[SAMPLE_FORMAT_COUNT][SAMPLE_FORMAT_COUNT]; // [source][destination] - float amp; - -#define FLAG_COMBINATION_COUNT (4) - PaStreamFlags flagCombinations[FLAG_COMBINATION_COUNT] = { paNoFlag, paClipOff, paDitherOff, paClipOff | paDitherOff }; - const char *flagCombinationNames[FLAG_COMBINATION_COUNT] = { "paNoFlag", "paClipOff", "paDitherOff", "paClipOff | paDitherOff" }; - int flagCombinationIndex; - - PaUtil_InitializeTriangularDitherState( &ditherState ); - - /* allocate more than enough space, we use sizeof(float) but we need to fit any 32 bit datum */ - - destinationBuffer = (void*)malloc( MAX_PER_CHANNEL_FRAME_COUNT * MAX_CHANNEL_COUNT * sizeof(float) ); - sourceBuffer = (void*)malloc( MAX_PER_CHANNEL_FRAME_COUNT * MAX_CHANNEL_COUNT * sizeof(float) ); - referenceBuffer = (void*)malloc( MAX_PER_CHANNEL_FRAME_COUNT * MAX_CHANNEL_COUNT * sizeof(float) ); - - - /* the first round of tests simply iterates through the buffer combinations testing - that putting something in gives something out */ - - printf( "= Sine wave in, something out =\n" ); - - printf( "\n" ); - - GenerateOneCycleSine( paFloat32, referenceBuffer, MAX_PER_CHANNEL_FRAME_COUNT, 1 ); - - for( flagCombinationIndex = 0; flagCombinationIndex < FLAG_COMBINATION_COUNT; ++flagCombinationIndex ){ - flags = flagCombinations[flagCombinationIndex]; - - printf( "\n" ); - printf( "== flags = %s ==\n", flagCombinationNames[flagCombinationIndex] ); - - for( sourceFormatIndex = 0; sourceFormatIndex < SAMPLE_FORMAT_COUNT; ++sourceFormatIndex ){ - for( destinationFormatIndex = 0; destinationFormatIndex < SAMPLE_FORMAT_COUNT; ++destinationFormatIndex ){ - sourceFormat = sampleFormats_[sourceFormatIndex]; - destinationFormat = sampleFormats_[destinationFormatIndex]; - //printf( "%s -> %s ", sampleFormatNames_[ sourceFormatIndex ], sampleFormatNames_[ destinationFormatIndex ] ); - - converter = PaUtil_SelectConverter( sourceFormat, destinationFormat, flags ); - - /* source is a sinewave */ - GenerateOneCycleSine( sourceFormat, sourceBuffer, MAX_PER_CHANNEL_FRAME_COUNT, 1 ); - - /* zero destination */ - memset( destinationBuffer, 0, MAX_PER_CHANNEL_FRAME_COUNT * My_Pa_GetSampleSize( destinationFormat ) ); - - (*converter)( destinationBuffer, 1, sourceBuffer, 1, MAX_PER_CHANNEL_FRAME_COUNT, &ditherState ); - - /* - Other ways we could test this would be: - - pass a constant, check for a constant (wouldn't work with dither) - - pass alternating +/-, check for the same... - */ - if( TestNonZeroPresent( destinationBuffer, MAX_PER_CHANNEL_FRAME_COUNT * My_Pa_GetSampleSize( destinationFormat ) ) ){ - //printf( "PASSED\n" ); - passFailMatrix[sourceFormatIndex][destinationFormatIndex] = 1; - }else{ - //printf( "FAILED\n" ); - passFailMatrix[sourceFormatIndex][destinationFormatIndex] = 0; - } - - - /* try to measure the noise floor (comparing output signal to a float32 sine wave) */ - - if( passFailMatrix[sourceFormatIndex][destinationFormatIndex] ){ - - /* convert destination back to paFloat32 into source */ - converter = PaUtil_SelectConverter( destinationFormat, paFloat32, paNoFlag ); - - memset( sourceBuffer, 0, MAX_PER_CHANNEL_FRAME_COUNT * My_Pa_GetSampleSize( paFloat32 ) ); - (*converter)( sourceBuffer, 1, destinationBuffer, 1, MAX_PER_CHANNEL_FRAME_COUNT, &ditherState ); - - if( TestNonZeroPresent( sourceBuffer, MAX_PER_CHANNEL_FRAME_COUNT * My_Pa_GetSampleSize( paFloat32 ) ) ){ - - noiseAmplitudeMatrix[sourceFormatIndex][destinationFormatIndex] = MaximumAbsDifference( (float*)sourceBuffer, (float*)referenceBuffer, MAX_PER_CHANNEL_FRAME_COUNT ); - - }else{ - /* can't test noise floor because there is no conversion from dest format to float available */ - noiseAmplitudeMatrix[sourceFormatIndex][destinationFormatIndex] = -1; // mark as failed - } - }else{ - noiseAmplitudeMatrix[sourceFormatIndex][destinationFormatIndex] = -1; // mark as failed - } - } - } - - printf( "\n" ); - printf( "=== Output contains non-zero data ===\n" ); - printf( "Key: . - pass, X - fail\n" ); - printf( "{{{\n" ); // trac preformated text tag - printf( "in| out: " ); - for( destinationFormatIndex = 0; destinationFormatIndex < SAMPLE_FORMAT_COUNT; ++destinationFormatIndex ){ - printf( " %s ", abbreviatedSampleFormatNames_[destinationFormatIndex] ); - } - printf( "\n" ); - - for( sourceFormatIndex = 0; sourceFormatIndex < SAMPLE_FORMAT_COUNT; ++sourceFormatIndex ){ - printf( "%s ", abbreviatedSampleFormatNames_[sourceFormatIndex] ); - for( destinationFormatIndex = 0; destinationFormatIndex < SAMPLE_FORMAT_COUNT; ++destinationFormatIndex ){ - printf( " %s ", (passFailMatrix[sourceFormatIndex][destinationFormatIndex])? " ." : " X" ); - } - printf( "\n" ); - } - printf( "}}}\n" ); // trac preformated text tag - - printf( "\n" ); - printf( "=== Combined dynamic range (src->dest->float32) ===\n" ); - printf( "Key: Noise amplitude in dBfs, X - fail (either above failed or dest->float32 failed)\n" ); - printf( "{{{\n" ); // trac preformated text tag - printf( "in| out: " ); - for( destinationFormatIndex = 0; destinationFormatIndex < SAMPLE_FORMAT_COUNT; ++destinationFormatIndex ){ - printf( " %s ", abbreviatedSampleFormatNames_[destinationFormatIndex] ); - } - printf( "\n" ); - - for( sourceFormatIndex = 0; sourceFormatIndex < SAMPLE_FORMAT_COUNT; ++sourceFormatIndex ){ - printf( " %s ", abbreviatedSampleFormatNames_[sourceFormatIndex] ); - for( destinationFormatIndex = 0; destinationFormatIndex < SAMPLE_FORMAT_COUNT; ++destinationFormatIndex ){ - amp = noiseAmplitudeMatrix[sourceFormatIndex][destinationFormatIndex]; - if( amp < 0. ) - printf( " X " ); - else - printf( " % 6.1f ", 20.*log10(amp) ); - } - printf( "\n" ); - } - printf( "}}}\n" ); // trac preformated text tag - } - - - free( destinationBuffer ); - free( sourceBuffer ); - free( referenceBuffer ); -} - -// copied here for now otherwise we need to include the world just for this function. -PaError My_Pa_GetSampleSize( PaSampleFormat format ) -{ - int result; - - switch( format & ~paNonInterleaved ) - { - - case paUInt8: - case paInt8: - result = 1; - break; - - case paInt16: - result = 2; - break; - - case paInt24: - result = 3; - break; - - case paFloat32: - case paInt32: - result = 4; - break; - - default: - result = paSampleFormatNotSupported; - break; - } - - return (PaError) result; -} diff --git a/portaudio/test/patest_dither.c b/portaudio/test/patest_dither.c deleted file mode 100644 index fc402dc..0000000 --- a/portaudio/test/patest_dither.c +++ /dev/null @@ -1,190 +0,0 @@ -/** @file patest_dither.c - @ingroup test_src - @brief Attempt to hear difference between dithered and non-dithered signal. - - This only has an effect if the native format is 16 bit. - - @author Phil Burk http://www.softsynth.com -*/ -/* - * $Id$ - * - * This program uses the PortAudio Portable Audio Library. - * For more information see: http://www.portaudio.com - * Copyright (c) 1999-2000 Ross Bencina and Phil Burk - * - * Permission is hereby granted, free of charge, to any person obtaining - * a copy of this software and associated documentation files - * (the "Software"), to deal in the Software without restriction, - * including without limitation the rights to use, copy, modify, merge, - * publish, distribute, sublicense, and/or sell copies of the Software, - * and to permit persons to whom the Software is furnished to do so, - * subject to the following conditions: - * - * The above copyright notice and this permission notice shall be - * included in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. - * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF - * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION - * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - */ - -/* - * The text above constitutes the entire PortAudio license; however, - * the PortAudio community also makes the following non-binding requests: - * - * Any person wishing to distribute modifications to the Software is - * requested to send the modifications to the original developer so that - * they can be incorporated into the canonical version. It is also - * requested that these non-binding requests be included along with the - * license above. - */ - -#include <stdio.h> -#include <math.h> - -#include "portaudio.h" - -#define NUM_SECONDS (5) -#define SAMPLE_RATE (44100) -#ifndef M_PI -#define M_PI (3.14159265) -#endif -#define TABLE_SIZE (200) - -typedef struct paTestData -{ - float sine[TABLE_SIZE]; - float amplitude; - int left_phase; - int right_phase; -} -paTestData; - -/* This routine will be called by the PortAudio engine when audio is needed. -** It may called at interrupt level on some machines so don't do anything -** that could mess up the system like calling malloc() or free(). -*/ -static int sineCallback( const void *inputBuffer, void *outputBuffer, - unsigned long framesPerBuffer, - const PaStreamCallbackTimeInfo *timeInfo, - PaStreamCallbackFlags statusFlags, void *userData ) -{ - paTestData *data = (paTestData*)userData; - float *out = (float*)outputBuffer; - float amplitude = data->amplitude; - unsigned int i; - (void) inputBuffer; - - for( i=0; i<framesPerBuffer; i++ ) - { - *out++ = amplitude * data->sine[data->left_phase]; /* left */ - *out++ = amplitude * data->sine[data->right_phase]; /* right */ - data->left_phase += 1; - if( data->left_phase >= TABLE_SIZE ) data->left_phase -= TABLE_SIZE; - data->right_phase += 3; /* higher pitch so we can distinguish left and right. */ - if( data->right_phase >= TABLE_SIZE ) data->right_phase -= TABLE_SIZE; - } - return 0; -} - -/*****************************************************************************/ -/* - V18 version did not call Pa_Terminate() if Pa_Initialize() failed. - This V19 version ALWAYS calls Pa_Terminate(). PS. -*/ -PaError PlaySine( paTestData *data, PaStreamFlags flags, float amplitude ); -PaError PlaySine( paTestData *data, PaStreamFlags flags, float amplitude ) -{ - PaStream* stream; - PaStreamParameters outputParameters; - PaError err; - - data->left_phase = data->right_phase = 0; - data->amplitude = amplitude; - - err = Pa_Initialize(); - if (err != paNoError) - goto done; - - outputParameters.device = Pa_GetDefaultOutputDevice(); /* default output device */ - if (outputParameters.device == paNoDevice) { - fprintf(stderr,"Error: No default output device.\n"); - goto done; - } - outputParameters.channelCount = 2; /* stereo output */ - outputParameters.hostApiSpecificStreamInfo = NULL; - outputParameters.sampleFormat = paFloat32; /* 32 bit floating point output. */ - /* When you change this, also */ - /* adapt the callback routine! */ - outputParameters.suggestedLatency = Pa_GetDeviceInfo( outputParameters.device ) - ->defaultLowOutputLatency; /* Low latency. */ - err = Pa_OpenStream( &stream, - NULL, /* No input. */ - &outputParameters, - SAMPLE_RATE, - 1024, /* frames per buffer */ - flags, - sineCallback, - (void*)data ); - if (err != paNoError) - goto done; - - err = Pa_StartStream( stream ); - if (err != paNoError) - goto done; - - Pa_Sleep( NUM_SECONDS * 1000 ); - printf("CPULoad = %8.6f\n", Pa_GetStreamCpuLoad(stream)); - - err = Pa_CloseStream( stream ); -done: - Pa_Sleep( 250 ); /* Just a small silence. */ - Pa_Terminate(); - return err; -} - - -/*******************************************************************/ -int main(void); -int main(void) -{ - PaError err; - paTestData DATA; - int i; - float amplitude = 4.0 / (1<<15); - - printf("PortAudio Test: output EXTREMELY QUIET sine wave with and without dithering.\n"); - /* initialise sinusoidal wavetable */ - for( i=0; i<TABLE_SIZE; i++ ) - { - DATA.sine[i] = (float) sin( ((double)i/(double)TABLE_SIZE) * M_PI * 2. ); - } - printf("\nNo treatment..\n"); fflush(stdout); - err = PlaySine( &DATA, paClipOff | paDitherOff, amplitude ); - if( err < 0 ) goto done; - - printf("\nClip..\n"); - fflush(stdout); - err = PlaySine( &DATA, paDitherOff, amplitude ); - if( err < 0 ) goto done; - - printf("\nClip and Dither..\n"); - fflush(stdout); - err = PlaySine( &DATA, paNoFlag, amplitude ); -done: - if (err) - { - fprintf( stderr, "An error occurred while using the portaudio stream\n" ); - fprintf( stderr, "Error number: %d\n", err ); - fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) ); - err = 1; /* Though PlaySine() already called Pa_Terminate(), */ - } /* we may still call Pa_GetErrorText(). */ - else - printf("\n(Don't forget to turn the VOLUME DOWN after listening so carefully.)\n"); - return err; /* 0 or 1. */ -} diff --git a/portaudio/test/patest_dsound_find_best_latency_params.c b/portaudio/test/patest_dsound_find_best_latency_params.c deleted file mode 100644 index 1c074ab..0000000 --- a/portaudio/test/patest_dsound_find_best_latency_params.c +++ /dev/null @@ -1,513 +0,0 @@ -/* - * $Id: $ - * Portable Audio I/O Library - * Windows DirectSound low level buffer user guided parameters search - * - * Copyright (c) 2010-2011 Ross Bencina - * - * Permission is hereby granted, free of charge, to any person obtaining - * a copy of this software and associated documentation files - * (the "Software"), to deal in the Software without restriction, - * including without limitation the rights to use, copy, modify, merge, - * publish, distribute, sublicense, and/or sell copies of the Software, - * and to permit persons to whom the Software is furnished to do so, - * subject to the following conditions: - * - * The above copyright notice and this permission notice shall be - * included in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. - * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF - * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION - * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - */ - -/* - * The text above constitutes the entire PortAudio license; however, - * the PortAudio community also makes the following non-binding requests: - * - * Any person wishing to distribute modifications to the Software is - * requested to send the modifications to the original developer so that - * they can be incorporated into the canonical version. It is also - * requested that these non-binding requests be included along with the - * license above. - */ - -#include <stdio.h> -#include <time.h> -#include <math.h> - -#define _WIN32_WINNT 0x0501 /* for GetNativeSystemInfo */ -#include <windows.h> -//#include <mmsystem.h> /* required when using pa_win_wmme.h */ - -#include <conio.h> /* for _getch */ - - -#include "portaudio.h" -#include "pa_win_ds.h" - - -#define DEFAULT_SAMPLE_RATE (44100.) - -#ifndef M_PI -#define M_PI (3.14159265) -#endif - -#define TABLE_SIZE (2048) - -#define CHANNEL_COUNT (2) - - -/*******************************************************************/ -/* functions to query and print Windows version information */ - -typedef BOOL (WINAPI *LPFN_ISWOW64PROCESS) (HANDLE, PBOOL); - -LPFN_ISWOW64PROCESS fnIsWow64Process; - -static BOOL IsWow64() -{ - BOOL bIsWow64 = FALSE; - - //IsWow64Process is not available on all supported versions of Windows. - //Use GetModuleHandle to get a handle to the DLL that contains the function - //and GetProcAddress to get a pointer to the function if available. - - fnIsWow64Process = (LPFN_ISWOW64PROCESS) GetProcAddress( - GetModuleHandle(TEXT("kernel32")),"IsWow64Process" ); - - if(NULL != fnIsWow64Process) - { - if (!fnIsWow64Process(GetCurrentProcess(),&bIsWow64)) - { - //handle error - } - } - return bIsWow64; -} - -static void printWindowsVersionInfo( FILE *fp ) -{ - OSVERSIONINFOEX osVersionInfoEx; - SYSTEM_INFO systemInfo; - const char *osName = "Unknown"; - const char *osProductType = ""; - const char *processorArchitecture = "Unknown"; - - memset( &osVersionInfoEx, 0, sizeof(OSVERSIONINFOEX) ); - osVersionInfoEx.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEX); - GetVersionEx( &osVersionInfoEx ); - - - if( osVersionInfoEx.dwPlatformId == VER_PLATFORM_WIN32_WINDOWS ){ - switch( osVersionInfoEx.dwMinorVersion ){ - case 0: osName = "Windows 95"; break; - case 10: osName = "Windows 98"; break; // could also be 98SE (I've seen code discriminate based - // on osInfo.Version.Revision.ToString() == "2222A") - case 90: osName = "Windows Me"; break; - } - }else if( osVersionInfoEx.dwPlatformId == VER_PLATFORM_WIN32_NT ){ - switch( osVersionInfoEx.dwMajorVersion ){ - case 3: osName = "Windows NT 3.51"; break; - case 4: osName = "Windows NT 4.0"; break; - case 5: switch( osVersionInfoEx.dwMinorVersion ){ - case 0: osName = "Windows 2000"; break; - case 1: osName = "Windows XP"; break; - case 2: - if( osVersionInfoEx.wSuiteMask & 0x00008000 /*VER_SUITE_WH_SERVER*/ ){ - osName = "Windows Home Server"; - }else{ - if( osVersionInfoEx.wProductType == VER_NT_WORKSTATION ){ - osName = "Windows XP Professional x64 Edition (?)"; - }else{ - if( GetSystemMetrics(/*SM_SERVERR2*/89) == 0 ) - osName = "Windows Server 2003"; - else - osName = "Windows Server 2003 R2"; - } - }break; - }break; - case 6:switch( osVersionInfoEx.dwMinorVersion ){ - case 0: - if( osVersionInfoEx.wProductType == VER_NT_WORKSTATION ) - osName = "Windows Vista"; - else - osName = "Windows Server 2008"; - break; - case 1: - if( osVersionInfoEx.wProductType == VER_NT_WORKSTATION ) - osName = "Windows 7"; - else - osName = "Windows Server 2008 R2"; - break; - }break; - } - } - - if(osVersionInfoEx.dwMajorVersion == 4) - { - if(osVersionInfoEx.wProductType == VER_NT_WORKSTATION) - osProductType = "Workstation"; - else if(osVersionInfoEx.wProductType == VER_NT_SERVER) - osProductType = "Server"; - } - else if(osVersionInfoEx.dwMajorVersion == 5) - { - if(osVersionInfoEx.wProductType == VER_NT_WORKSTATION) - { - if((osVersionInfoEx.wSuiteMask & VER_SUITE_PERSONAL) == VER_SUITE_PERSONAL) - osProductType = "Home Edition"; // Windows XP Home Edition - else - osProductType = "Professional"; // Windows XP / Windows 2000 Professional - } - else if(osVersionInfoEx.wProductType == VER_NT_SERVER) - { - if(osVersionInfoEx.dwMinorVersion == 0) - { - if((osVersionInfoEx.wSuiteMask & VER_SUITE_DATACENTER) == VER_SUITE_DATACENTER) - osProductType = "Datacenter Server"; // Windows 2000 Datacenter Server - else if((osVersionInfoEx.wSuiteMask & VER_SUITE_ENTERPRISE) == VER_SUITE_ENTERPRISE) - osProductType = "Advanced Server"; // Windows 2000 Advanced Server - else - osProductType = "Server"; // Windows 2000 Server - } - } - else - { - if((osVersionInfoEx.wSuiteMask & VER_SUITE_DATACENTER) == VER_SUITE_DATACENTER) - osProductType = "Datacenter Edition"; // Windows Server 2003 Datacenter Edition - else if((osVersionInfoEx.wSuiteMask & VER_SUITE_ENTERPRISE) == VER_SUITE_ENTERPRISE) - osProductType = "Enterprise Edition"; // Windows Server 2003 Enterprise Edition - else if((osVersionInfoEx.wSuiteMask & VER_SUITE_BLADE) == VER_SUITE_BLADE) - osProductType = "Web Edition"; // Windows Server 2003 Web Edition - else - osProductType = "Standard Edition"; // Windows Server 2003 Standard Edition - } - } - - memset( &systemInfo, 0, sizeof(SYSTEM_INFO) ); - GetNativeSystemInfo( &systemInfo ); - - if( systemInfo.wProcessorArchitecture == PROCESSOR_ARCHITECTURE_INTEL ) - processorArchitecture = "x86"; - else if( systemInfo.wProcessorArchitecture == PROCESSOR_ARCHITECTURE_AMD64 ) - processorArchitecture = "x64"; - else if( systemInfo.wProcessorArchitecture == PROCESSOR_ARCHITECTURE_IA64 ) - processorArchitecture = "Itanium"; - - - fprintf( fp, "OS name and edition: %s %s\n", osName, osProductType ); - fprintf( fp, "OS version: %d.%d.%d %S\n", - osVersionInfoEx.dwMajorVersion, osVersionInfoEx.dwMinorVersion, - osVersionInfoEx.dwBuildNumber, osVersionInfoEx.szCSDVersion ); - fprintf( fp, "Processor architecture: %s\n", processorArchitecture ); - fprintf( fp, "WoW64 process: %s\n", IsWow64() ? "Yes" : "No" ); -} - -static void printTimeAndDate( FILE *fp ) -{ - struct tm *local; - time_t t; - - t = time(NULL); - local = localtime(&t); - fprintf(fp, "Local time and date: %s", asctime(local)); - local = gmtime(&t); - fprintf(fp, "UTC time and date: %s", asctime(local)); -} - -/*******************************************************************/ - -typedef struct -{ - float sine[TABLE_SIZE]; - double phase; - double phaseIncrement; - volatile int fadeIn; - volatile int fadeOut; - double amp; -} -paTestData; - -static paTestData data; - -/* This routine will be called by the PortAudio engine when audio is needed. -** It may called at interrupt level on some machines so don't do anything -** that could mess up the system like calling malloc() or free(). -*/ -static int patestCallback( const void *inputBuffer, void *outputBuffer, - unsigned long framesPerBuffer, - const PaStreamCallbackTimeInfo* timeInfo, - PaStreamCallbackFlags statusFlags, - void *userData ) -{ - paTestData *data = (paTestData*)userData; - float *out = (float*)outputBuffer; - unsigned long i,j; - - (void) timeInfo; /* Prevent unused variable warnings. */ - (void) statusFlags; - (void) inputBuffer; - - for( i=0; i<framesPerBuffer; i++ ) - { - float x = data->sine[(int)data->phase]; - data->phase += data->phaseIncrement; - if( data->phase >= TABLE_SIZE ){ - data->phase -= TABLE_SIZE; - } - - x *= data->amp; - if( data->fadeIn ){ - data->amp += .001; - if( data->amp >= 1. ) - data->fadeIn = 0; - }else if( data->fadeOut ){ - if( data->amp > 0 ) - data->amp -= .001; - } - - for( j = 0; j < CHANNEL_COUNT; ++j ){ - *out++ = x; - } - } - - if( data->amp > 0 ) - return paContinue; - else - return paComplete; -} - - -#define YES 1 -#define NO 0 - - -static int playUntilKeyPress( int deviceIndex, float sampleRate, - int framesPerUserBuffer, int framesPerDSoundBuffer ) -{ - PaStreamParameters outputParameters; - PaWinDirectSoundStreamInfo directSoundStreamInfo; - PaStream *stream; - PaError err; - int c; - - outputParameters.device = deviceIndex; - outputParameters.channelCount = CHANNEL_COUNT; - outputParameters.sampleFormat = paFloat32; /* 32 bit floating point processing */ - outputParameters.suggestedLatency = 0; /*Pa_GetDeviceInfo( outputParameters.device )->defaultLowOutputLatency;*/ - outputParameters.hostApiSpecificStreamInfo = NULL; - - directSoundStreamInfo.size = sizeof(PaWinDirectSoundStreamInfo); - directSoundStreamInfo.hostApiType = paDirectSound; - directSoundStreamInfo.version = 2; - directSoundStreamInfo.flags = paWinDirectSoundUseLowLevelLatencyParameters; - directSoundStreamInfo.framesPerBuffer = framesPerDSoundBuffer; - outputParameters.hostApiSpecificStreamInfo = &directSoundStreamInfo; - - err = Pa_OpenStream( - &stream, - NULL, /* no input */ - &outputParameters, - sampleRate, - framesPerUserBuffer, - paClipOff | paPrimeOutputBuffersUsingStreamCallback, /* we won't output out of range samples so don't bother clipping them */ - patestCallback, - &data ); - if( err != paNoError ) goto error; - - data.amp = 0; - data.fadeIn = 1; - data.fadeOut = 0; - data.phase = 0; - data.phaseIncrement = 15 + ((rand()%100) / 10); // randomise pitch - - err = Pa_StartStream( stream ); - if( err != paNoError ) goto error; - - - do{ - printf( "Trying buffer size %d.\nIf it sounds smooth (without clicks or glitches) press 'y', if it sounds bad press 'n' ('q' to quit)\n", framesPerDSoundBuffer ); - c = tolower(_getch()); - if( c == 'q' ){ - Pa_Terminate(); - exit(0); - } - }while( c != 'y' && c != 'n' ); - - data.fadeOut = 1; - while( Pa_IsStreamActive(stream) == 1 ) - Pa_Sleep( 100 ); - - err = Pa_StopStream( stream ); - if( err != paNoError ) goto error; - - err = Pa_CloseStream( stream ); - if( err != paNoError ) goto error; - - return (c == 'y') ? YES : NO; - -error: - return err; -} - -/*******************************************************************/ -static void usage( int dsoundHostApiIndex ) -{ - int i; - - fprintf( stderr, "PortAudio DirectSound output latency user guided test\n" ); - fprintf( stderr, "Usage: x.exe dsound-device-index [sampleRate]\n" ); - fprintf( stderr, "Invalid device index. Use one of these:\n" ); - for( i=0; i < Pa_GetDeviceCount(); ++i ){ - - if( Pa_GetDeviceInfo(i)->hostApi == dsoundHostApiIndex && Pa_GetDeviceInfo(i)->maxOutputChannels > 0 ) - fprintf( stderr, "%d (%s)\n", i, Pa_GetDeviceInfo(i)->name ); - } - Pa_Terminate(); - exit(-1); -} - -/* - ideas: - o- could be testing with 80% CPU load - o- could test with different channel counts -*/ - -int main(int argc, char* argv[]) -{ - PaError err; - int i; - int deviceIndex; - int dsoundBufferSize, smallestWorkingBufferSize; - int smallestWorkingBufferingLatencyFrames; - int min, max, mid; - int testResult; - FILE *resultsFp; - int dsoundHostApiIndex; - const PaHostApiInfo *dsoundHostApiInfo; - double sampleRate = DEFAULT_SAMPLE_RATE; - - err = Pa_Initialize(); - if( err != paNoError ) goto error; - - dsoundHostApiIndex = Pa_HostApiTypeIdToHostApiIndex( paDirectSound ); - dsoundHostApiInfo = Pa_GetHostApiInfo( dsoundHostApiIndex ); - - if( argc > 3 ) - usage(dsoundHostApiIndex); - - deviceIndex = dsoundHostApiInfo->defaultOutputDevice; - if( argc >= 2 ){ - deviceIndex = -1; - if( sscanf( argv[1], "%d", &deviceIndex ) != 1 ) - usage(dsoundHostApiInfo); - if( deviceIndex < 0 || deviceIndex >= Pa_GetDeviceCount() || Pa_GetDeviceInfo(deviceIndex)->hostApi != dsoundHostApiIndex ){ - usage(dsoundHostApiInfo); - } - } - - printf( "Using device id %d (%s)\n", deviceIndex, Pa_GetDeviceInfo(deviceIndex)->name ); - - if( argc >= 3 ){ - if( sscanf( argv[2], "%lf", &sampleRate ) != 1 ) - usage(dsoundHostApiIndex); - } - - printf( "Testing with sample rate %f.\n", (float)sampleRate ); - - - - /* initialise sinusoidal wavetable */ - for( i=0; i<TABLE_SIZE; i++ ) - { - data.sine[i] = (float) sin( ((double)i/(double)TABLE_SIZE) * M_PI * 2. ); - } - - data.phase = 0; - - resultsFp = fopen( "results.txt", "at" ); - fprintf( resultsFp, "*** DirectSound smallest working output buffer sizes\n" ); - - printTimeAndDate( resultsFp ); - printWindowsVersionInfo( resultsFp ); - - fprintf( resultsFp, "audio device: %s\n", Pa_GetDeviceInfo( deviceIndex )->name ); - fflush( resultsFp ); - - fprintf( resultsFp, "Sample rate: %f\n", (float)sampleRate ); - fprintf( resultsFp, "Smallest working buffer size (frames), Smallest working buffering latency (frames), Smallest working buffering latency (Seconds)\n" ); - - - /* - Binary search after Niklaus Wirth - from http://en.wikipedia.org/wiki/Binary_search_algorithm#The_algorithm - */ - min = 1; - max = (int)(sampleRate * .3); /* we assume that this size works 300ms */ - smallestWorkingBufferSize = 0; - - do{ - mid = min + ((max - min) / 2); - - dsoundBufferSize = mid; - testResult = playUntilKeyPress( deviceIndex, sampleRate, 0, dsoundBufferSize ); - - if( testResult == YES ){ - max = mid - 1; - smallestWorkingBufferSize = dsoundBufferSize; - }else{ - min = mid + 1; - } - - }while( (min <= max) && (testResult == YES || testResult == NO) ); - - smallestWorkingBufferingLatencyFrames = smallestWorkingBufferSize; /* not strictly true, but we're using an unspecified callback size, so kind of */ - - printf( "Smallest working buffer size is: %d\n", smallestWorkingBufferSize ); - printf( "Corresponding to buffering latency of %d frames, or %f seconds.\n", smallestWorkingBufferingLatencyFrames, smallestWorkingBufferingLatencyFrames / sampleRate ); - - fprintf( resultsFp, "%d, %d, %f\n", smallestWorkingBufferSize, smallestWorkingBufferingLatencyFrames, smallestWorkingBufferingLatencyFrames / sampleRate ); - fflush( resultsFp ); - - - /* power of 2 test. iterate to the smallest power of two that works */ - - smallestWorkingBufferSize = 0; - dsoundBufferSize = 64; - - do{ - testResult = playUntilKeyPress( deviceIndex, sampleRate, 0, dsoundBufferSize ); - - if( testResult == YES ){ - smallestWorkingBufferSize = dsoundBufferSize; - }else{ - dsoundBufferSize *= 2; - } - - }while( (dsoundBufferSize <= (int)(sampleRate * .3)) && testResult == NO ); - - smallestWorkingBufferingLatencyFrames = smallestWorkingBufferSize; /* not strictly true, but we're using an unspecified callback size, so kind of */ - - fprintf( resultsFp, "%d, %d, %f\n", smallestWorkingBufferSize, smallestWorkingBufferingLatencyFrames, smallestWorkingBufferingLatencyFrames / sampleRate ); - fflush( resultsFp ); - - - fprintf( resultsFp, "###\n" ); - fclose( resultsFp ); - - Pa_Terminate(); - printf("Test finished.\n"); - - return err; -error: - Pa_Terminate(); - fprintf( stderr, "An error occurred while using the PortAudio stream\n" ); - fprintf( stderr, "Error number: %d\n", err ); - fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) ); - return err; -} diff --git a/portaudio/test/patest_dsound_low_level_latency_params.c b/portaudio/test/patest_dsound_low_level_latency_params.c deleted file mode 100644 index d583e69..0000000 --- a/portaudio/test/patest_dsound_low_level_latency_params.c +++ /dev/null @@ -1,186 +0,0 @@ -/* - * $Id: $ - * Portable Audio I/O Library - * Windows DirectSound low level buffer parameters test - * - * Copyright (c) 2011 Ross Bencina - * - * Permission is hereby granted, free of charge, to any person obtaining - * a copy of this software and associated documentation files - * (the "Software"), to deal in the Software without restriction, - * including without limitation the rights to use, copy, modify, merge, - * publish, distribute, sublicense, and/or sell copies of the Software, - * and to permit persons to whom the Software is furnished to do so, - * subject to the following conditions: - * - * The above copyright notice and this permission notice shall be - * included in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. - * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF - * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION - * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - */ - -/* - * The text above constitutes the entire PortAudio license; however, - * the PortAudio community also makes the following non-binding requests: - * - * Any person wishing to distribute modifications to the Software is - * requested to send the modifications to the original developer so that - * they can be incorporated into the canonical version. It is also - * requested that these non-binding requests be included along with the - * license above. - */ - -#include <stdio.h> -#include <math.h> - -#include "portaudio.h" -#include "pa_win_ds.h" - -#define NUM_SECONDS (6) -#define SAMPLE_RATE (44100) - -#define DSOUND_FRAMES_PER_HOST_BUFFER (256*2) //(440*10) - -#define FRAMES_PER_BUFFER 256 - -#ifndef M_PI -#define M_PI (3.14159265) -#endif - -#define TABLE_SIZE (2048) - -#define CHANNEL_COUNT (2) - - -typedef struct -{ - float sine[TABLE_SIZE]; - double phase; -} -paTestData; - -/* This routine will be called by the PortAudio engine when audio is needed. -** It may called at interrupt level on some machines so don't do anything -** that could mess up the system like calling malloc() or free(). -*/ -static int patestCallback( const void *inputBuffer, void *outputBuffer, - unsigned long framesPerBuffer, - const PaStreamCallbackTimeInfo* timeInfo, - PaStreamCallbackFlags statusFlags, - void *userData ) -{ - paTestData *data = (paTestData*)userData; - float *out = (float*)outputBuffer; - unsigned long i,j; - - (void) timeInfo; /* Prevent unused variable warnings. */ - (void) statusFlags; - (void) inputBuffer; - - for( i=0; i<framesPerBuffer; i++ ) - { - float x = data->sine[(int)data->phase]; - data->phase += 20; - if( data->phase >= TABLE_SIZE ){ - data->phase -= TABLE_SIZE; - } - - for( j = 0; j < CHANNEL_COUNT; ++j ){ - *out++ = x; - } - } - - return paContinue; -} - -/*******************************************************************/ -int main(int argc, char* argv[]) -{ - PaStreamParameters outputParameters; - PaWinDirectSoundStreamInfo dsoundStreamInfo; - PaStream *stream; - PaError err; - paTestData data; - int i; - int deviceIndex; - - printf("PortAudio Test: output a sine blip on each channel. SR = %d, BufSize = %d, Chans = %d\n", SAMPLE_RATE, FRAMES_PER_BUFFER, CHANNEL_COUNT); - - err = Pa_Initialize(); - if( err != paNoError ) goto error; - - deviceIndex = Pa_GetHostApiInfo( Pa_HostApiTypeIdToHostApiIndex( paDirectSound ) )->defaultOutputDevice; - if( argc == 2 ){ - sscanf( argv[1], "%d", &deviceIndex ); - } - - printf( "using device id %d (%s)\n", deviceIndex, Pa_GetDeviceInfo(deviceIndex)->name ); - - /* initialise sinusoidal wavetable */ - for( i=0; i<TABLE_SIZE; i++ ) - { - data.sine[i] = (float) sin( ((double)i/(double)TABLE_SIZE) * M_PI * 2. ); - } - - data.phase = 0; - - outputParameters.device = deviceIndex; - outputParameters.channelCount = CHANNEL_COUNT; - outputParameters.sampleFormat = paFloat32; /* 32 bit floating point processing */ - outputParameters.suggestedLatency = 0; /*Pa_GetDeviceInfo( outputParameters.device )->defaultLowOutputLatency;*/ - outputParameters.hostApiSpecificStreamInfo = NULL; - - dsoundStreamInfo.size = sizeof(PaWinDirectSoundStreamInfo); - dsoundStreamInfo.hostApiType = paDirectSound; - dsoundStreamInfo.version = 2; - dsoundStreamInfo.flags = paWinDirectSoundUseLowLevelLatencyParameters; - dsoundStreamInfo.framesPerBuffer = DSOUND_FRAMES_PER_HOST_BUFFER; - outputParameters.hostApiSpecificStreamInfo = &dsoundStreamInfo; - - - if( Pa_IsFormatSupported( 0, &outputParameters, SAMPLE_RATE ) == paFormatIsSupported ){ - printf( "Pa_IsFormatSupported reports device will support %d channels.\n", CHANNEL_COUNT ); - }else{ - printf( "Pa_IsFormatSupported reports device will not support %d channels.\n", CHANNEL_COUNT ); - } - - err = Pa_OpenStream( - &stream, - NULL, /* no input */ - &outputParameters, - SAMPLE_RATE, - FRAMES_PER_BUFFER, - paClipOff, /* we won't output out of range samples so don't bother clipping them */ - patestCallback, - &data ); - if( err != paNoError ) goto error; - - err = Pa_StartStream( stream ); - if( err != paNoError ) goto error; - - printf("Play for %d seconds.\n", NUM_SECONDS ); - Pa_Sleep( NUM_SECONDS * 1000 ); - - err = Pa_StopStream( stream ); - if( err != paNoError ) goto error; - - err = Pa_CloseStream( stream ); - if( err != paNoError ) goto error; - - Pa_Terminate(); - printf("Test finished.\n"); - - return err; -error: - Pa_Terminate(); - fprintf( stderr, "An error occurred while using the portaudio stream\n" ); - fprintf( stderr, "Error number: %d\n", err ); - fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) ); - return err; -} diff --git a/portaudio/test/patest_dsound_surround.c b/portaudio/test/patest_dsound_surround.c deleted file mode 100644 index b7c887d..0000000 --- a/portaudio/test/patest_dsound_surround.c +++ /dev/null @@ -1,204 +0,0 @@ -/* - * $Id: $ - * Portable Audio I/O Library - * Windows DirectSound surround sound output test - * - * Copyright (c) 2007 Ross Bencina - * - * Permission is hereby granted, free of charge, to any person obtaining - * a copy of this software and associated documentation files - * (the "Software"), to deal in the Software without restriction, - * including without limitation the rights to use, copy, modify, merge, - * publish, distribute, sublicense, and/or sell copies of the Software, - * and to permit persons to whom the Software is furnished to do so, - * subject to the following conditions: - * - * The above copyright notice and this permission notice shall be - * included in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. - * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF - * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION - * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - */ - -/* - * The text above constitutes the entire PortAudio license; however, - * the PortAudio community also makes the following non-binding requests: - * - * Any person wishing to distribute modifications to the Software is - * requested to send the modifications to the original developer so that - * they can be incorporated into the canonical version. It is also - * requested that these non-binding requests be included along with the - * license above. - */ - -#include <stdio.h> -#include <math.h> - -#include <windows.h> /* required when using pa_win_wmme.h */ -#include <mmsystem.h> /* required when using pa_win_wmme.h */ - -#include "portaudio.h" -#include "pa_win_ds.h" - -#define NUM_SECONDS (12) -#define SAMPLE_RATE (44100) -#define FRAMES_PER_BUFFER (64) - -#ifndef M_PI -#define M_PI (3.14159265) -#endif - -#define TABLE_SIZE (100) - -#define CHANNEL_COUNT (6) - - - -typedef struct -{ - float sine[TABLE_SIZE]; - int phase; - int currentChannel; - int cycleCount; -} -paTestData; - -/* This routine will be called by the PortAudio engine when audio is needed. -** It may called at interrupt level on some machines so don't do anything -** that could mess up the system like calling malloc() or free(). -*/ -static int patestCallback( const void *inputBuffer, void *outputBuffer, - unsigned long framesPerBuffer, - const PaStreamCallbackTimeInfo* timeInfo, - PaStreamCallbackFlags statusFlags, - void *userData ) -{ - paTestData *data = (paTestData*)userData; - float *out = (float*)outputBuffer; - unsigned long i,j; - - (void) timeInfo; /* Prevent unused variable warnings. */ - (void) statusFlags; - (void) inputBuffer; - - for( i=0; i<framesPerBuffer; i++ ) - { - for( j = 0; j < CHANNEL_COUNT; ++j ){ - if( j == data->currentChannel && data->cycleCount < 4410 ){ - *out++ = data->sine[data->phase]; - data->phase += 1 + j; // play each channel at a different pitch so they can be distinguished - if( data->phase >= TABLE_SIZE ){ - data->phase -= TABLE_SIZE; - } - }else{ - *out++ = 0; - } - } - - data->cycleCount++; - if( data->cycleCount > 44100 ){ - data->cycleCount = 0; - - ++data->currentChannel; - if( data->currentChannel >= CHANNEL_COUNT ) - data->currentChannel -= CHANNEL_COUNT; - } - } - - return paContinue; -} - -/*******************************************************************/ -int main(int argc, char* argv[]) -{ - PaStreamParameters outputParameters; - PaWinDirectSoundStreamInfo directSoundStreamInfo; - PaStream *stream; - PaError err; - paTestData data; - int i; - int deviceIndex; - - printf("PortAudio Test: output a sine blip on each channel. SR = %d, BufSize = %d, Chans = %d\n", SAMPLE_RATE, FRAMES_PER_BUFFER, CHANNEL_COUNT); - - err = Pa_Initialize(); - if( err != paNoError ) goto error; - - deviceIndex = Pa_GetHostApiInfo( Pa_HostApiTypeIdToHostApiIndex( paDirectSound ) )->defaultOutputDevice; - if( argc == 2 ){ - sscanf( argv[1], "%d", &deviceIndex ); - } - - printf( "using device id %d (%s)\n", deviceIndex, Pa_GetDeviceInfo(deviceIndex)->name ); - - /* initialise sinusoidal wavetable */ - for( i=0; i<TABLE_SIZE; i++ ) - { - data.sine[i] = (float) sin( ((double)i/(double)TABLE_SIZE) * M_PI * 2. ); - } - - data.phase = 0; - data.currentChannel = 0; - data.cycleCount = 0; - - outputParameters.device = deviceIndex; - outputParameters.channelCount = CHANNEL_COUNT; - outputParameters.sampleFormat = paFloat32; /* 32 bit floating point processing */ - outputParameters.suggestedLatency = Pa_GetDeviceInfo( outputParameters.device )->defaultLowOutputLatency; - outputParameters.hostApiSpecificStreamInfo = NULL; - - /* it's not strictly necessary to provide a channelMask for surround sound - output. But if you want to be sure which channel mask PortAudio will use - then you should supply one */ - directSoundStreamInfo.size = sizeof(PaWinDirectSoundStreamInfo); - directSoundStreamInfo.hostApiType = paDirectSound; - directSoundStreamInfo.version = 1; - directSoundStreamInfo.flags = paWinDirectSoundUseChannelMask; - directSoundStreamInfo.channelMask = PAWIN_SPEAKER_5POINT1; /* request 5.1 output format */ - outputParameters.hostApiSpecificStreamInfo = &directSoundStreamInfo; - - if( Pa_IsFormatSupported( 0, &outputParameters, SAMPLE_RATE ) == paFormatIsSupported ){ - printf( "Pa_IsFormatSupported reports device will support %d channels.\n", CHANNEL_COUNT ); - }else{ - printf( "Pa_IsFormatSupported reports device will not support %d channels.\n", CHANNEL_COUNT ); - } - - err = Pa_OpenStream( - &stream, - NULL, /* no input */ - &outputParameters, - SAMPLE_RATE, - FRAMES_PER_BUFFER, - paClipOff, /* we won't output out of range samples so don't bother clipping them */ - patestCallback, - &data ); - if( err != paNoError ) goto error; - - err = Pa_StartStream( stream ); - if( err != paNoError ) goto error; - - printf("Play for %d seconds.\n", NUM_SECONDS ); - Pa_Sleep( NUM_SECONDS * 1000 ); - - err = Pa_StopStream( stream ); - if( err != paNoError ) goto error; - - err = Pa_CloseStream( stream ); - if( err != paNoError ) goto error; - - Pa_Terminate(); - printf("Test finished.\n"); - - return err; -error: - Pa_Terminate(); - fprintf( stderr, "An error occurred while using the portaudio stream\n" ); - fprintf( stderr, "Error number: %d\n", err ); - fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) ); - return err; -} diff --git a/portaudio/test/patest_hang.c b/portaudio/test/patest_hang.c deleted file mode 100644 index 501b47d..0000000 --- a/portaudio/test/patest_hang.c +++ /dev/null @@ -1,164 +0,0 @@ -/** @file patest_hang.c - @ingroup test_src - @brief Play a sine then hang audio callback to test watchdog. - @author Ross Bencina <rossb@audiomulch.com> - @author Phil Burk <philburk@softsynth.com> -*/ -/* - * $Id$ - * - * This program uses the PortAudio Portable Audio Library. - * For more information see: http://www.portaudio.com - * Copyright (c) 1999-2000 Ross Bencina and Phil Burk - * - * Permission is hereby granted, free of charge, to any person obtaining - * a copy of this software and associated documentation files - * (the "Software"), to deal in the Software without restriction, - * including without limitation the rights to use, copy, modify, merge, - * publish, distribute, sublicense, and/or sell copies of the Software, - * and to permit persons to whom the Software is furnished to do so, - * subject to the following conditions: - * - * The above copyright notice and this permission notice shall be - * included in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. - * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF - * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION - * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - */ - -/* - * The text above constitutes the entire PortAudio license; however, - * the PortAudio community also makes the following non-binding requests: - * - * Any person wishing to distribute modifications to the Software is - * requested to send the modifications to the original developer so that - * they can be incorporated into the canonical version. It is also - * requested that these non-binding requests be included along with the - * license above. - */ - -#include <stdio.h> -#include <math.h> - -#include "portaudio.h" - -#define SAMPLE_RATE (44100) -#define FRAMES_PER_BUFFER (1024) -#ifndef M_PI -#define M_PI (3.14159265) -#endif -#define TWOPI (M_PI * 2.0) - -typedef struct paTestData -{ - int sleepFor; - double phase; -} -paTestData; - -/* This routine will be called by the PortAudio engine when audio is needed. -** It may called at interrupt level on some machines so don't do anything -** that could mess up the system like calling malloc() or free(). -*/ -static int patestCallback( const void *inputBuffer, void *outputBuffer, - unsigned long framesPerBuffer, - const PaStreamCallbackTimeInfo* timeInfo, - PaStreamCallbackFlags statusFlags, - void *userData ) -{ - paTestData *data = (paTestData*)userData; - float *out = (float*)outputBuffer; - unsigned long i; - int finished = 0; - double phaseInc = 0.02; - double phase = data->phase; - - (void) inputBuffer; /* Prevent unused argument warning. */ - - for( i=0; i<framesPerBuffer; i++ ) - { - phase += phaseInc; - if( phase > TWOPI ) phase -= TWOPI; - /* This is not a very efficient way to calc sines. */ - *out++ = (float) sin( phase ); /* mono */ - } - - if( data->sleepFor > 0 ) - { - Pa_Sleep( data->sleepFor ); - } - - data->phase = phase; - return finished; -} - -/*******************************************************************/ -int main(void); -int main(void) -{ - PaStream* stream; - PaStreamParameters outputParameters; - PaError err; - int i; - paTestData data = {0}; - - printf("PortAudio Test: output sine wave. SR = %d, BufSize = %d\n", - SAMPLE_RATE, FRAMES_PER_BUFFER ); - - err = Pa_Initialize(); - if( err != paNoError ) goto error; - - outputParameters.device = Pa_GetDefaultOutputDevice(); /* Default output device. */ - if (outputParameters.device == paNoDevice) { - fprintf(stderr,"Error: No default output device.\n"); - goto error; - } - outputParameters.channelCount = 1; /* Mono output. */ - outputParameters.sampleFormat = paFloat32; /* 32 bit floating point. */ - outputParameters.hostApiSpecificStreamInfo = NULL; - outputParameters.suggestedLatency = Pa_GetDeviceInfo(outputParameters.device) - ->defaultLowOutputLatency; - err = Pa_OpenStream(&stream, - NULL, /* No input. */ - &outputParameters, - SAMPLE_RATE, - FRAMES_PER_BUFFER, - paClipOff, /* No out of range samples. */ - patestCallback, - &data); - if (err != paNoError) goto error; - - err = Pa_StartStream( stream ); - if( err != paNoError ) goto error; - - /* Gradually increase sleep time. */ - /* Was: for( i=0; i<10000; i+= 1000 ) */ - for(i=0; i <= 1000; i += 100) - { - printf("Sleep for %d milliseconds in audio callback.\n", i ); - data.sleepFor = i; - Pa_Sleep( ((i<1000) ? 1000 : i) ); - } - - printf("Suffer for 10 seconds.\n"); - Pa_Sleep( 10000 ); - - err = Pa_StopStream( stream ); - if( err != paNoError ) goto error; - err = Pa_CloseStream( stream ); - if( err != paNoError ) goto error; - Pa_Terminate(); - printf("Test finished.\n"); - return err; -error: - Pa_Terminate(); - fprintf( stderr, "An error occurred while using the portaudio stream\n" ); - fprintf( stderr, "Error number: %d\n", err ); - fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) ); - return err; -} diff --git a/portaudio/test/patest_in_overflow.c b/portaudio/test/patest_in_overflow.c deleted file mode 100644 index 31868bd..0000000 --- a/portaudio/test/patest_in_overflow.c +++ /dev/null @@ -1,236 +0,0 @@ -/** @file patest_in_overflow.c - @ingroup test_src - @brief Count input overflows (using paInputOverflow flag) under - overloaded and normal conditions. - This test uses the same method to overload the stream as does - patest_out_underflow.c -- it generates sine waves until the cpu load - exceeds a certain level. However this test is only concerned with - input and so doesn't output any sound. - - @author Ross Bencina <rossb@audiomulch.com> - @author Phil Burk <philburk@softsynth.com> -*/ -/* - * $Id$ - * - * This program uses the PortAudio Portable Audio Library. - * For more information see: http://www.portaudio.com - * Copyright (c) 1999-2004 Ross Bencina and Phil Burk - * - * Permission is hereby granted, free of charge, to any person obtaining - * a copy of this software and associated documentation files - * (the "Software"), to deal in the Software without restriction, - * including without limitation the rights to use, copy, modify, merge, - * publish, distribute, sublicense, and/or sell copies of the Software, - * and to permit persons to whom the Software is furnished to do so, - * subject to the following conditions: - * - * The above copyright notice and this permission notice shall be - * included in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. - * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF - * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION - * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - */ - -/* - * The text above constitutes the entire PortAudio license; however, - * the PortAudio community also makes the following non-binding requests: - * - * Any person wishing to distribute modifications to the Software is - * requested to send the modifications to the original developer so that - * they can be incorporated into the canonical version. It is also - * requested that these non-binding requests be included along with the - * license above. - */ - -#include <stdio.h> -#include <math.h> -#include "portaudio.h" - -#define MAX_SINES (500) -#define MAX_LOAD (1.2) -#define SAMPLE_RATE (44100) -#define FRAMES_PER_BUFFER (512) -#ifndef M_PI -#define M_PI (3.14159265) -#endif -#define TWOPI (M_PI * 2.0) - -typedef struct paTestData -{ - int sineCount; - double phases[MAX_SINES]; - int countOverflows; - int inputOverflowCount; -} -paTestData; - -/* This routine will be called by the PortAudio engine when audio is needed. -** It may called at interrupt level on some machines so don't do anything -** that could mess up the system like calling malloc() or free(). -*/ -static int patestCallback( const void *inputBuffer, void *outputBuffer, - unsigned long framesPerBuffer, - const PaStreamCallbackTimeInfo* timeInfo, - PaStreamCallbackFlags statusFlags, - void *userData ) -{ - paTestData *data = (paTestData*)userData; - float out; /* variable to hold dummy output */ - unsigned long i; - int j; - int finished = paContinue; - (void) timeInfo; /* Prevent unused variable warning. */ - (void) inputBuffer; /* Prevent unused variable warning. */ - (void) outputBuffer; /* Prevent unused variable warning. */ - - if( data->countOverflows && (statusFlags & paInputOverflow) ) - data->inputOverflowCount++; - - for( i=0; i<framesPerBuffer; i++ ) - { - float output = 0.0; - double phaseInc = 0.02; - double phase; - - for( j=0; j<data->sineCount; j++ ) - { - /* Advance phase of next oscillator. */ - phase = data->phases[j]; - phase += phaseInc; - if( phase > TWOPI ) phase -= TWOPI; - - phaseInc *= 1.02; - if( phaseInc > 0.5 ) phaseInc *= 0.5; - - /* This is not a very efficient way to calc sines. */ - output += (float) sin( phase ); - data->phases[j] = phase; - } - /* this is an input-only stream so we don't actually use the output */ - out = (float) (output / data->sineCount); - (void) out; /* suppress unused variable warning*/ - } - - return finished; -} - -/*******************************************************************/ -int main(void); -int main(void) -{ - PaStreamParameters inputParameters; - PaStream *stream; - PaError err; - int safeSineCount, stressedSineCount; - int safeOverflowCount, stressedOverflowCount; - paTestData data = {0}; - double load; - - - printf("PortAudio Test: input only, no sound output. Load callback by performing calculations, count input overflows. SR = %d, BufSize = %d. MAX_LOAD = %f\n", - SAMPLE_RATE, FRAMES_PER_BUFFER, (float)MAX_LOAD ); - - err = Pa_Initialize(); - if( err != paNoError ) goto error; - - inputParameters.device = Pa_GetDefaultInputDevice(); /* default input device */ - if (inputParameters.device == paNoDevice) { - fprintf(stderr,"Error: No default input device.\n"); - goto error; - } - inputParameters.channelCount = 1; /* mono output */ - inputParameters.sampleFormat = paFloat32; /* 32 bit floating point output */ - inputParameters.suggestedLatency = Pa_GetDeviceInfo( inputParameters.device )->defaultLowInputLatency; - inputParameters.hostApiSpecificStreamInfo = NULL; - - err = Pa_OpenStream( - &stream, - &inputParameters, - NULL, /* no output */ - SAMPLE_RATE, - FRAMES_PER_BUFFER, - paClipOff, /* we won't output out of range samples so don't bother clipping them */ - patestCallback, - &data ); - if( err != paNoError ) goto error; - err = Pa_StartStream( stream ); - if( err != paNoError ) goto error; - - printf("Establishing load conditions...\n" ); - - /* Determine number of sines required to get to 50% */ - do - { - data.sineCount++; - Pa_Sleep( 100 ); - - load = Pa_GetStreamCpuLoad( stream ); - printf("sineCount = %d, CPU load = %f\n", data.sineCount, load ); - } - while( load < 0.5 && data.sineCount < (MAX_SINES-1)); - - safeSineCount = data.sineCount; - - /* Calculate target stress value then ramp up to that level*/ - stressedSineCount = (int) (2.0 * data.sineCount * MAX_LOAD ); - if( stressedSineCount > MAX_SINES ) - stressedSineCount = MAX_SINES; - for( ; data.sineCount < stressedSineCount; data.sineCount++ ) - { - Pa_Sleep( 100 ); - load = Pa_GetStreamCpuLoad( stream ); - printf("STRESSING: sineCount = %d, CPU load = %f\n", data.sineCount, load ); - } - - printf("Counting overflows for 5 seconds.\n"); - data.countOverflows = 1; - Pa_Sleep( 5000 ); - - stressedOverflowCount = data.inputOverflowCount; - - data.countOverflows = 0; - data.sineCount = safeSineCount; - - printf("Resuming safe load...\n"); - Pa_Sleep( 1500 ); - data.inputOverflowCount = 0; - Pa_Sleep( 1500 ); - load = Pa_GetStreamCpuLoad( stream ); - printf("sineCount = %d, CPU load = %f\n", data.sineCount, load ); - - printf("Counting overflows for 5 seconds.\n"); - data.countOverflows = 1; - Pa_Sleep( 5000 ); - - safeOverflowCount = data.inputOverflowCount; - - printf("Stop stream.\n"); - err = Pa_StopStream( stream ); - if( err != paNoError ) goto error; - - err = Pa_CloseStream( stream ); - if( err != paNoError ) goto error; - - Pa_Terminate(); - - if( stressedOverflowCount == 0 ) - printf("Test failed, no input overflows detected under stress.\n"); - else if( safeOverflowCount != 0 ) - printf("Test failed, %d unexpected overflows detected under safe load.\n", safeOverflowCount); - else - printf("Test passed, %d expected input overflows detected under stress, 0 unexpected overflows detected under safe load.\n", stressedOverflowCount ); - - return err; -error: - Pa_Terminate(); - fprintf( stderr, "An error occurred while using the portaudio stream\n" ); - fprintf( stderr, "Error number: %d\n", err ); - fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) ); - return err; -} diff --git a/portaudio/test/patest_jack_wasapi.c b/portaudio/test/patest_jack_wasapi.c deleted file mode 100644 index bd79881..0000000 --- a/portaudio/test/patest_jack_wasapi.c +++ /dev/null @@ -1,343 +0,0 @@ -/** @file pa_test_jack_wasapi.c - @ingroup test_src - @brief Print out jack information for WASAPI endpoints - @author Reid Bishop <rbish@attglobal.net> -*/ -/* - * $Id: pa_test_jack_wasapi.c 1368 2008-03-01 00:38:27Z rbishop $ - * - * This program uses the PortAudio Portable Audio Library. - * For more information see: http://www.portaudio.com/ - * Copyright (c) 1999-2010 Ross Bencina and Phil Burk - * - * Permission is hereby granted, free of charge, to any person obtaining - * a copy of this software and associated documentation files - * (the "Software"), to deal in the Software without restriction, - * including without limitation the rights to use, copy, modify, merge, - * publish, distribute, sublicense, and/or sell copies of the Software, - * and to permit persons to whom the Software is furnished to do so, - * subject to the following conditions: - * - * The above copyright notice and this permission notice shall be - * included in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. - * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF - * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION - * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - */ - -/* - * The text above constitutes the entire PortAudio license; however, - * the PortAudio community also makes the following non-binding requests: - * - * Any person wishing to distribute modifications to the Software is - * requested to send the modifications to the original developer so that - * they can be incorporated into the canonical version. It is also - * requested that these non-binding requests be included along with the - * license above. - */ -#include <stdio.h> -#include "portaudio.h" -#include "pa_win_wasapi.h" - - -/* -* Helper function to determine if a given enum is present in mask variable -* -*/ -static int IsInMask(int val, int val2) -{ - return ((val & val2) == val2); -} - -/* -* This routine enumerates through the ChannelMapping for the IJackDescription -*/ - -static void EnumIJackChannels(int channelMapping) -{ - printf("Channel Mapping: "); - if(channelMapping == PAWIN_SPEAKER_DIRECTOUT) - { - printf("DIRECTOUT\n"); - return; - } - if(IsInMask(channelMapping, PAWIN_SPEAKER_FRONT_LEFT)) - printf("FRONT_LEFT, "); - if(IsInMask(channelMapping, PAWIN_SPEAKER_FRONT_RIGHT)) - printf("FRONT_RIGHT, "); - if(IsInMask(channelMapping, PAWIN_SPEAKER_FRONT_CENTER)) - printf("FRONT_CENTER, "); - if(IsInMask(channelMapping, PAWIN_SPEAKER_LOW_FREQUENCY)) - printf("LOW_FREQUENCY, "); - if(IsInMask(channelMapping, PAWIN_SPEAKER_BACK_LEFT)) - printf("BACK_LEFT, "); - if(IsInMask(channelMapping,PAWIN_SPEAKER_BACK_RIGHT)) - printf("BACK_RIGHT, "); - if(IsInMask(channelMapping, PAWIN_SPEAKER_FRONT_LEFT_OF_CENTER)) - printf("FRONT_LEFT_OF_CENTER, "); - if(IsInMask(channelMapping, PAWIN_SPEAKER_FRONT_RIGHT_OF_CENTER)) - printf("FRONT_RIGHT_OF_CENTER, "); - if(IsInMask(channelMapping, PAWIN_SPEAKER_BACK_CENTER)) - printf("BACK_CENTER, "); - if(IsInMask(channelMapping,PAWIN_SPEAKER_SIDE_LEFT)) - printf("SIDE_LEFT, "); - if(IsInMask(channelMapping,PAWIN_SPEAKER_SIDE_RIGHT)) - printf("SIDE_RIGHT, "); - if(IsInMask(channelMapping, PAWIN_SPEAKER_TOP_CENTER)) - printf("TOP_CENTER, "); - if(IsInMask(channelMapping, PAWIN_SPEAKER_TOP_FRONT_LEFT)) - printf("TOP_FRONT_LEFT, "); - if(IsInMask(channelMapping, PAWIN_SPEAKER_TOP_FRONT_CENTER)) - printf("TOP_FRONT_CENTER, "); - if(IsInMask(channelMapping, PAWIN_SPEAKER_TOP_FRONT_RIGHT)) - printf("TOP_FRONT_RIGHT, "); - if(IsInMask(channelMapping, PAWIN_SPEAKER_TOP_BACK_LEFT)) - printf("TOP_BACK_LEFT, "); - if(IsInMask(channelMapping, PAWIN_SPEAKER_TOP_BACK_CENTER)) - printf("TOP_BACK_CENTER, "); - if(IsInMask(channelMapping, PAWIN_SPEAKER_TOP_BACK_RIGHT)) - printf("TOP_BACK_RIGHT, "); - - printf("\n"); -} - -/* -* This routine enumerates through the Jack Connection Types enums for IJackDescription -*/ -static void EnumIJackConnectionType(int cType) -{ - printf("Connection Type: "); - switch(cType) - { - case eJackConnTypeUnknown: - printf("eJackConnTypeUnknown"); - break; - case eJackConnType3Point5mm: - printf("eJackConnType3Point5mm"); - break; - case eJackConnTypeQuarter: - printf("eJackConnTypeQuarter"); - break; - case eJackConnTypeAtapiInternal: - printf("eJackConnTypeAtapiInternal"); - break; - case eJackConnTypeRCA: - printf("eJackConnTypeRCA"); - break; - case eJackConnTypeOptical: - printf("eJackConnTypeOptical"); - break; - case eJackConnTypeOtherDigital: - printf("eJackConnTypeOtherDigital"); - break; - case eJackConnTypeOtherAnalog: - printf("eJackConnTypeOtherAnalog"); - break; - case eJackConnTypeMultichannelAnalogDIN: - printf("eJackConnTypeMultichannelAnalogDIN"); - break; - case eJackConnTypeXlrProfessional: - printf("eJackConnTypeXlrProfessional"); - break; - case eJackConnTypeRJ11Modem: - printf("eJackConnTypeRJ11Modem"); - break; - case eJackConnTypeCombination: - printf("eJackConnTypeCombination"); - break; - } - printf("\n"); -} - -/* -* This routine enumerates through the GeoLocation enums for the IJackDescription -*/ -static void EnumIJackGeoLocation(int iVal) -{ - printf("Geometric Location: "); - switch(iVal) - { - case eJackGeoLocRear: - printf("eJackGeoLocRear"); - break; - case eJackGeoLocFront: - printf("eJackGeoLocFront"); - break; - case eJackGeoLocLeft: - printf("eJackGeoLocLeft"); - break; - case eJackGeoLocRight: - printf("eJackGeoLocRight"); - break; - case eJackGeoLocTop: - printf("eJackGeoLocTop"); - break; - case eJackGeoLocBottom: - printf("eJackGeoLocBottom"); - break; - case eJackGeoLocRearPanel: - printf("eJackGeoLocRearPanel"); - break; - case eJackGeoLocRiser: - printf("eJackGeoLocRiser"); - break; - case eJackGeoLocInsideMobileLid: - printf("eJackGeoLocInsideMobileLid"); - break; - case eJackGeoLocDrivebay: - printf("eJackGeoLocDrivebay"); - break; - case eJackGeoLocHDMI: - printf("eJackGeoLocHDMI"); - break; - case eJackGeoLocOutsideMobileLid: - printf("eJackGeoLocOutsideMobileLid"); - break; - case eJackGeoLocATAPI: - printf("eJackGeoLocATAPI"); - break; - } - printf("\n"); -} - -/* -* This routine enumerates through the GenLocation enums for the IJackDescription -*/ -static void EnumIJackGenLocation(int iVal) -{ - printf("General Location: "); - switch(iVal) - { - case eJackGenLocPrimaryBox: - printf("eJackGenLocPrimaryBox"); - break; - case eJackGenLocInternal: - printf("eJackGenLocInternal"); - break; - case eJackGenLocSeparate: - printf("eJackGenLocSeparate"); - break; - case eJackGenLocOther: - printf("eJackGenLocOther"); - break; - } - printf("\n"); -} - -/* -* This routine enumerates through the PortConnection enums for the IJackDescription -*/ -static void EnumIJackPortConnection(int iVal) -{ - printf("Port Type: "); - switch(iVal) - { - case eJackPortConnJack: - printf("eJackPortConnJack"); - break; - case eJackPortConnIntegratedDevice: - printf("eJackPortConnIntegratedDevice"); - break; - case eJackPortConnBothIntegratedAndJack: - printf("eJackPortConnBothIntegratedAndJack"); - break; - case eJackPortConnUnknown: - printf("eJackPortConnUnknown"); - break; - } - printf("\n"); -} - -/* -* This routine retrieves and parses the KSJACK_DESCRIPTION structure for -* the provided device ID. -*/ -static PaError GetJackInformation(int deviceId) -{ - PaError err; - int i; - int jackCount = 0; - PaWasapiJackDescription jackDesc; - - err = PaWasapi_GetJackCount(deviceId, &jackCount); - if( err != paNoError ) return err; - - fprintf( stderr,"Number of Jacks: %d \n", jackCount ); - - for( i = 0; i<jackCount; i++ ) - { - fprintf( stderr,"Jack #%d:\n", i ); - - err = PaWasapi_GetJackDescription(deviceId, i, &jackDesc); - if( err != paNoError ) - { - fprintf( stderr,"Failed getting description." ); - continue; - } - else - { - printf("Is connected: %s\n",(jackDesc.isConnected)?"true":"false"); - EnumIJackChannels(jackDesc.channelMapping); - EnumIJackConnectionType(jackDesc.connectionType); - EnumIJackGeoLocation(jackDesc.geoLocation); - EnumIJackGenLocation(jackDesc.genLocation); - EnumIJackPortConnection(jackDesc.portConnection); - printf("Jack Color: 0x%06X\n", jackDesc.color); - printf("\n"); - } - } - return 0; -} - - -/*******************************************************************/ -int main(void); -int main(void) -{ - PaError err; - const PaDeviceInfo *device; - int i; - int jackCount = 0; - int isInput = 0; - - printf("PortAudio Test: WASAPI Jack Configuration"); - err = Pa_Initialize(); - if( err != paNoError ) goto error; - - /* Find all WASAPI devices */ - for( i = 0; i < Pa_GetDeviceCount(); ++i ) - { - device = Pa_GetDeviceInfo(i); - if( Pa_GetDeviceInfo(i)->hostApi == Pa_HostApiTypeIdToHostApiIndex(paWASAPI) ) - { - if( device->maxOutputChannels == 0 ) - { - isInput = 1; - } - printf("------------------------------------------\n"); - printf("Device: %s",device->name); - if(isInput) - printf(" (Input) %d Channels\n",device->maxInputChannels); - else - printf(" (Output) %d Channels\n",device->maxOutputChannels); - // Try to see if this WASAPI device can provide Jack information - err = GetJackInformation(i); - if( err != paNoError ) goto error; - } - } - Pa_Terminate(); - printf("Test finished.\n"); - return err; - -error: - Pa_Terminate(); - fprintf( stderr, "An error occurred while using the portaudio stream\n" ); - fprintf( stderr, "Error number: %d\n", err ); - fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) ); - return err; -} diff --git a/portaudio/test/patest_latency.c b/portaudio/test/patest_latency.c deleted file mode 100644 index 7f622c1..0000000 --- a/portaudio/test/patest_latency.c +++ /dev/null @@ -1,193 +0,0 @@ -/** @file - @ingroup test_src - @brief Hear the latency caused by big buffers. - Play a sine wave and change frequency based on letter input. - @author Phil Burk <philburk@softsynth.com>, and Darren Gibbs -*/ -/* - * $Id$ - * - * This program uses the PortAudio Portable Audio Library. - * For more information see: http://www.portaudio.com - * Copyright (c) 1999-2000 Ross Bencina and Phil Burk - * - * Permission is hereby granted, free of charge, to any person obtaining - * a copy of this software and associated documentation files - * (the "Software"), to deal in the Software without restriction, - * including without limitation the rights to use, copy, modify, merge, - * publish, distribute, sublicense, and/or sell copies of the Software, - * and to permit persons to whom the Software is furnished to do so, - * subject to the following conditions: - * - * The above copyright notice and this permission notice shall be - * included in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. - * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF - * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION - * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - */ - -/* - * The text above constitutes the entire PortAudio license; however, - * the PortAudio community also makes the following non-binding requests: - * - * Any person wishing to distribute modifications to the Software is - * requested to send the modifications to the original developer so that - * they can be incorporated into the canonical version. It is also - * requested that these non-binding requests be included along with the - * license above. - */ - -#include <stdio.h> -#include <math.h> -#include "portaudio.h" - -#define OUTPUT_DEVICE (Pa_GetDefaultOutputDevice()) -#define SAMPLE_RATE (44100) -#define FRAMES_PER_BUFFER (64) - -#define MIN_FREQ (100.0f) -#define CalcPhaseIncrement(freq) ((freq)/SAMPLE_RATE) -#ifndef M_PI -#define M_PI (3.14159265) -#endif -#define TABLE_SIZE (400) - -typedef struct -{ - float sine[TABLE_SIZE + 1]; /* add one for guard point for interpolation */ - float phase_increment; - float left_phase; - float right_phase; -} -paTestData; - -float LookupSine( paTestData *data, float phase ); -/* Convert phase between and 1.0 to sine value - * using linear interpolation. - */ -float LookupSine( paTestData *data, float phase ) -{ - float fIndex = phase*TABLE_SIZE; - int index = (int) fIndex; - float fract = fIndex - index; - float lo = data->sine[index]; - float hi = data->sine[index+1]; - float val = lo + fract*(hi-lo); - return val; -} - -/* This routine will be called by the PortAudio engine when audio is needed. -** It may called at interrupt level on some machines so don't do anything -** that could mess up the system like calling malloc() or free(). -*/ -static int patestCallback( const void *inputBuffer, void *outputBuffer, - unsigned long framesPerBuffer, - const PaStreamCallbackTimeInfo* timeInfo, - PaStreamCallbackFlags statusFlags, - void *userData ) -{ - paTestData *data = (paTestData*)userData; - float *out = (float*)outputBuffer; - int i; - - (void) inputBuffer; /* Prevent unused variable warning. */ - - for( i=0; i<framesPerBuffer; i++ ) - { - *out++ = LookupSine(data, data->left_phase); /* left */ - *out++ = LookupSine(data, data->right_phase); /* right */ - data->left_phase += data->phase_increment; - if( data->left_phase >= 1.0f ) data->left_phase -= 1.0f; - data->right_phase += (data->phase_increment * 1.5f); /* fifth above */ - if( data->right_phase >= 1.0f ) data->right_phase -= 1.0f; - } - return 0; -} - -/*******************************************************************/ -int main(void); -int main(void) -{ - PaStream *stream; - PaStreamParameters outputParameters; - PaError err; - paTestData data; - int i; - int done = 0; - - printf("PortAudio Test: enter letter then hit ENTER.\n" ); - /* initialise sinusoidal wavetable */ - for( i=0; i<TABLE_SIZE; i++ ) - { - data.sine[i] = 0.90f * (float) sin( ((double)i/(double)TABLE_SIZE) * M_PI * 2. ); - } - data.sine[TABLE_SIZE] = data.sine[0]; /* set guard point. */ - data.left_phase = data.right_phase = 0.0; - data.phase_increment = CalcPhaseIncrement(MIN_FREQ); - - err = Pa_Initialize(); - if( err != paNoError ) goto error; - printf("PortAudio Test: output device = %d\n", OUTPUT_DEVICE ); - - outputParameters.device = OUTPUT_DEVICE; - if (outputParameters.device == paNoDevice) { - fprintf(stderr,"Error: No default output device.\n"); - goto error; - } - outputParameters.channelCount = 2; /* stereo output */ - outputParameters.sampleFormat = paFloat32; /* 32 bit floating point output */ - outputParameters.suggestedLatency = Pa_GetDeviceInfo( outputParameters.device )->defaultLowOutputLatency; - outputParameters.hostApiSpecificStreamInfo = NULL; - - printf("Requested output latency = %.4f seconds.\n", outputParameters.suggestedLatency ); - printf("%d frames per buffer.\n.", FRAMES_PER_BUFFER ); - - err = Pa_OpenStream( - &stream, - NULL, /* no input */ - &outputParameters, - SAMPLE_RATE, - FRAMES_PER_BUFFER, - paClipOff|paDitherOff, /* we won't output out of range samples so don't bother clipping them */ - patestCallback, - &data ); - if( err != paNoError ) goto error; - - err = Pa_StartStream( stream ); - if( err != paNoError ) goto error; - printf("Play ASCII keyboard. Hit 'q' to stop. (Use RETURN key on Mac)\n"); - fflush(stdout); - while ( !done ) - { - float freq; - int index; - char c; - do - { - c = getchar(); - } - while( c < ' '); /* Strip white space and control chars. */ - - if( c == 'q' ) done = 1; - index = c % 26; - freq = MIN_FREQ + (index * 40.0); - data.phase_increment = CalcPhaseIncrement(freq); - } - printf("Call Pa_StopStream()\n"); - err = Pa_StopStream( stream ); - if( err != paNoError ) goto error; - Pa_Terminate(); - printf("Test finished.\n"); - return err; -error: - Pa_Terminate(); - fprintf( stderr, "An error occurred while using the portaudio stream\n" ); - fprintf( stderr, "Error number: %d\n", err ); - fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) ); - return err; -} diff --git a/portaudio/test/patest_leftright.c b/portaudio/test/patest_leftright.c deleted file mode 100644 index e61a351..0000000 --- a/portaudio/test/patest_leftright.c +++ /dev/null @@ -1,185 +0,0 @@ -/** @file patest_leftright.c - @ingroup test_src - @brief Play different tone sine waves that - alternate between left and right channel. - - The low tone should be on the left channel. - - @author Ross Bencina <rossb@audiomulch.com> - @author Phil Burk <philburk@softsynth.com> -*/ -/* - * $Id$ - * - * This program uses the PortAudio Portable Audio Library. - * For more information see: http://www.portaudio.com - * Copyright (c) 1999-2000 Ross Bencina and Phil Burk - * - * Permission is hereby granted, free of charge, to any person obtaining - * a copy of this software and associated documentation files - * (the "Software"), to deal in the Software without restriction, - * including without limitation the rights to use, copy, modify, merge, - * publish, distribute, sublicense, and/or sell copies of the Software, - * and to permit persons to whom the Software is furnished to do so, - * subject to the following conditions: - * - * The above copyright notice and this permission notice shall be - * included in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. - * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF - * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION - * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - */ - -/* - * The text above constitutes the entire PortAudio license; however, - * the PortAudio community also makes the following non-binding requests: - * - * Any person wishing to distribute modifications to the Software is - * requested to send the modifications to the original developer so that - * they can be incorporated into the canonical version. It is also - * requested that these non-binding requests be included along with the - * license above. - */ - -#include <stdio.h> -#include <math.h> -#include "portaudio.h" - -#define NUM_SECONDS (8) -#define SAMPLE_RATE (44100) -#define FRAMES_PER_BUFFER (512) -#ifndef M_PI -#define M_PI (3.14159265) -#endif -#define TABLE_SIZE (200) -#define BALANCE_DELTA (0.001) - -typedef struct -{ - float sine[TABLE_SIZE]; - int left_phase; - int right_phase; - float targetBalance; // 0.0 = left, 1.0 = right - float currentBalance; -} paTestData; - -/* This routine will be called by the PortAudio engine when audio is needed. -** It may called at interrupt level on some machines so don't do anything -** that could mess up the system like calling malloc() or free(). -*/ -static int patestCallback( const void *inputBuffer, - void *outputBuffer, - unsigned long framesPerBuffer, - const PaStreamCallbackTimeInfo* timeInfo, - PaStreamCallbackFlags statusFlags, - void *userData ) -{ - paTestData *data = (paTestData*)userData; - float *out = (float*)outputBuffer; - unsigned long i; - int finished = 0; - /* Prevent unused variable warnings. */ - (void) inputBuffer; - - for( i=0; i<framesPerBuffer; i++ ) - { - // Smoothly pan between left and right. - if( data->currentBalance < data->targetBalance ) - { - data->currentBalance += BALANCE_DELTA; - } - else if( data->currentBalance > data->targetBalance ) - { - data->currentBalance -= BALANCE_DELTA; - } - // Apply left/right balance. - *out++ = data->sine[data->left_phase] * (1.0f - data->currentBalance); /* left */ - *out++ = data->sine[data->right_phase] * data->currentBalance; /* right */ - - data->left_phase += 1; - if( data->left_phase >= TABLE_SIZE ) data->left_phase -= TABLE_SIZE; - data->right_phase += 3; /* higher pitch so we can distinguish left and right. */ - if( data->right_phase >= TABLE_SIZE ) data->right_phase -= TABLE_SIZE; - } - - return finished; -} - -/*******************************************************************/ -int main(void); -int main(void) -{ - PaStream *stream; - PaStreamParameters outputParameters; - PaError err; - paTestData data; - int i; - printf("Play different tone sine waves that alternate between left and right channel.\n"); - printf("The low tone should be on the left channel.\n"); - - /* initialise sinusoidal wavetable */ - for( i=0; i<TABLE_SIZE; i++ ) - { - data.sine[i] = (float) sin( ((double)i/(double)TABLE_SIZE) * M_PI * 2. ); - } - data.left_phase = data.right_phase = 0; - data.currentBalance = 0.0; - data.targetBalance = 0.0; - - err = Pa_Initialize(); - if( err != paNoError ) goto error; - - outputParameters.device = Pa_GetDefaultOutputDevice(); /* default output device */ - if (outputParameters.device == paNoDevice) { - fprintf(stderr,"Error: No default output device.\n"); - goto error; - } - outputParameters.channelCount = 2; /* stereo output */ - outputParameters.sampleFormat = paFloat32; /* 32 bit floating point output */ - outputParameters.suggestedLatency = Pa_GetDeviceInfo( outputParameters.device )->defaultLowOutputLatency; - outputParameters.hostApiSpecificStreamInfo = NULL; - - err = Pa_OpenStream( &stream, - NULL, /* No input. */ - &outputParameters, /* As above. */ - SAMPLE_RATE, - FRAMES_PER_BUFFER, - paClipOff, /* we won't output out of range samples so don't bother clipping them */ - patestCallback, - &data ); - if( err != paNoError ) goto error; - - err = Pa_StartStream( stream ); - if( err != paNoError ) goto error; - - printf("Play for several seconds.\n"); - for( i=0; i<4; i++ ) - { - printf("Hear low sound on left side.\n"); - data.targetBalance = 0.01; - Pa_Sleep( 1000 ); - - printf("Hear high sound on right side.\n"); - data.targetBalance = 0.99; - Pa_Sleep( 1000 ); - } - - err = Pa_StopStream( stream ); - if( err != paNoError ) goto error; - err = Pa_CloseStream( stream ); - if( err != paNoError ) goto error; - Pa_Terminate(); - printf("Test finished.\n"); - return err; -error: - Pa_Terminate(); - fprintf( stderr, "An error occurred while using the portaudio stream\n" ); - fprintf( stderr, "Error number: %d\n", err ); - fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) ); - return err; -} diff --git a/portaudio/test/patest_longsine.c b/portaudio/test/patest_longsine.c deleted file mode 100644 index f439030..0000000 --- a/portaudio/test/patest_longsine.c +++ /dev/null @@ -1,151 +0,0 @@ -/** @file patest_longsine.c - @ingroup test_src - @brief Play a sine wave until ENTER hit. - @author Phil Burk http://www.softsynth.com -*/ -/* - * $Id$ - * - * This program uses the PortAudio Portable Audio Library. - * For more information see: http://www.portaudio.com - * Copyright (c) 1999-2000 Ross Bencina and Phil Burk - * - * Permission is hereby granted, free of charge, to any person obtaining - * a copy of this software and associated documentation files - * (the "Software"), to deal in the Software without restriction, - * including without limitation the rights to use, copy, modify, merge, - * publish, distribute, sublicense, and/or sell copies of the Software, - * and to permit persons to whom the Software is furnished to do so, - * subject to the following conditions: - * - * The above copyright notice and this permission notice shall be - * included in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. - * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF - * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION - * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - */ - -/* - * The text above constitutes the entire PortAudio license; however, - * the PortAudio community also makes the following non-binding requests: - * - * Any person wishing to distribute modifications to the Software is - * requested to send the modifications to the original developer so that - * they can be incorporated into the canonical version. It is also - * requested that these non-binding requests be included along with the - * license above. - */ - -#include <stdio.h> -#include <math.h> - -#include "portaudio.h" - -#define SAMPLE_RATE (44100) - -#ifndef M_PI -#define M_PI (3.14159265) -#endif - -#define TABLE_SIZE (200) -typedef struct -{ - float sine[TABLE_SIZE]; - int left_phase; - int right_phase; -} -paTestData; - -/* This routine will be called by the PortAudio engine when audio is needed. -** It may called at interrupt level on some machines so don't do anything -** that could mess up the system like calling malloc() or free(). -*/ -static int patestCallback(const void* inputBuffer, - void* outputBuffer, - unsigned long framesPerBuffer, - const PaStreamCallbackTimeInfo* timeInfo, - PaStreamCallbackFlags statusFlags, - void* userData) -{ - paTestData *data = (paTestData*)userData; - float *out = (float*)outputBuffer; - unsigned int i; - (void) inputBuffer; /* Prevent unused argument warning. */ - for( i=0; i<framesPerBuffer; i++ ) - { - *out++ = data->sine[data->left_phase]; /* left */ - *out++ = data->sine[data->right_phase]; /* right */ - data->left_phase += 1; - if( data->left_phase >= TABLE_SIZE ) data->left_phase -= TABLE_SIZE; - data->right_phase += 3; /* higher pitch so we can distinguish left and right. */ - if( data->right_phase >= TABLE_SIZE ) data->right_phase -= TABLE_SIZE; - } - return 0; -} - -/*******************************************************************/ -int main(void); -int main(void) -{ - PaStreamParameters outputParameters; - PaStream *stream; - PaError err; - paTestData data; - int i; - printf("PortAudio Test: output sine wave.\n"); - - /* initialise sinusoidal wavetable */ - for( i=0; i<TABLE_SIZE; i++ ) - { - data.sine[i] = (float) sin( ((double)i/(double)TABLE_SIZE) * M_PI * 2. ); - } - data.left_phase = data.right_phase = 0; - - err = Pa_Initialize(); - if( err != paNoError ) goto error; - - outputParameters.device = Pa_GetDefaultOutputDevice(); /* default output device */ - if (outputParameters.device == paNoDevice) { - fprintf(stderr,"Error: No default output device.\n"); - goto error; - } - outputParameters.channelCount = 2; /* stereo output */ - outputParameters.sampleFormat = paFloat32; /* 32 bit floating point output */ - outputParameters.suggestedLatency = Pa_GetDeviceInfo( outputParameters.device )->defaultLowOutputLatency; - outputParameters.hostApiSpecificStreamInfo = NULL; - - err = Pa_OpenStream( &stream, - NULL, /* No input. */ - &outputParameters, /* As above. */ - SAMPLE_RATE, - 256, /* Frames per buffer. */ - paClipOff, /* No out of range samples expected. */ - patestCallback, - &data ); - if( err != paNoError ) goto error; - - err = Pa_StartStream( stream ); - if( err != paNoError ) goto error; - - printf("Hit ENTER to stop program.\n"); - getchar(); - - err = Pa_CloseStream( stream ); - if( err != paNoError ) goto error; - Pa_Terminate(); - - printf("Test finished.\n"); - return err; - -error: - Pa_Terminate(); - fprintf( stderr, "An error occurred while using the portaudio stream\n" ); - fprintf( stderr, "Error number: %d\n", err ); - fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) ); - return err; -} diff --git a/portaudio/test/patest_many.c b/portaudio/test/patest_many.c deleted file mode 100644 index 76cc043..0000000 --- a/portaudio/test/patest_many.c +++ /dev/null @@ -1,210 +0,0 @@ -/** @file patest_many.c - @ingroup test_src - @brief Start and stop the PortAudio Driver multiple times. - @author Phil Burk http://www.softsynth.com -*/ -/* - * $Id$ - * - * This program uses the PortAudio Portable Audio Library. - * For more information see: http://www.portaudio.com - * Copyright (c) 1999-2000 Ross Bencina and Phil Burk - * - * Permission is hereby granted, free of charge, to any person obtaining - * a copy of this software and associated documentation files - * (the "Software"), to deal in the Software without restriction, - * including without limitation the rights to use, copy, modify, merge, - * publish, distribute, sublicense, and/or sell copies of the Software, - * and to permit persons to whom the Software is furnished to do so, - * subject to the following conditions: - * - * The above copyright notice and this permission notice shall be - * included in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. - * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF - * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION - * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - */ - -/* - * The text above constitutes the entire PortAudio license; however, - * the PortAudio community also makes the following non-binding requests: - * - * Any person wishing to distribute modifications to the Software is - * requested to send the modifications to the original developer so that - * they can be incorporated into the canonical version. It is also - * requested that these non-binding requests be included along with the - * license above. - */ - -#include <stdio.h> -#include <stdlib.h> -#include <math.h> -#include "portaudio.h" -#define NUM_SECONDS (1) -#define SAMPLE_RATE (44100) -#ifndef M_PI -#define M_PI (3.14159265) -#endif -#define TABLE_SIZE (200) -typedef struct -{ - short sine[TABLE_SIZE]; - int left_phase; - int right_phase; - unsigned int sampsToGo; -} -paTestData; -PaError TestOnce( void ); -static int patest1Callback( const void *inputBuffer, void *outputBuffer, - unsigned long framesPerBuffer, - const PaStreamCallbackTimeInfo* timeInfo, - PaStreamCallbackFlags statusFlags, - void *userData ); - -/* This routine will be called by the PortAudio engine when audio is needed. -** It may called at interrupt level on some machines so don't do anything -** that could mess up the system like calling malloc() or free(). -*/ -static int patest1Callback( const void *inputBuffer, void *outputBuffer, - unsigned long framesPerBuffer, - const PaStreamCallbackTimeInfo* timeInfo, - PaStreamCallbackFlags statusFlags, - void *userData ) -{ - paTestData *data = (paTestData*)userData; - short *out = (short*)outputBuffer; - unsigned int i; - int finished = 0; - (void) inputBuffer; /* Prevent "unused variable" warnings. */ - - if( data->sampsToGo < framesPerBuffer ) - { - /* final buffer... */ - - for( i=0; i<data->sampsToGo; i++ ) - { - *out++ = data->sine[data->left_phase]; /* left */ - *out++ = data->sine[data->right_phase]; /* right */ - data->left_phase += 1; - if( data->left_phase >= TABLE_SIZE ) data->left_phase -= TABLE_SIZE; - data->right_phase += 3; /* higher pitch so we can distinguish left and right. */ - if( data->right_phase >= TABLE_SIZE ) data->right_phase -= TABLE_SIZE; - } - /* zero remainder of final buffer */ - for( ; i<framesPerBuffer; i++ ) - { - *out++ = 0; /* left */ - *out++ = 0; /* right */ - } - - finished = 1; - } - else - { - for( i=0; i<framesPerBuffer; i++ ) - { - *out++ = data->sine[data->left_phase]; /* left */ - *out++ = data->sine[data->right_phase]; /* right */ - data->left_phase += 1; - if( data->left_phase >= TABLE_SIZE ) data->left_phase -= TABLE_SIZE; - data->right_phase += 3; /* higher pitch so we can distinguish left and right. */ - if( data->right_phase >= TABLE_SIZE ) data->right_phase -= TABLE_SIZE; - } - data->sampsToGo -= framesPerBuffer; - } - return finished; -} -/*******************************************************************/ -#ifdef MACINTOSH -int main(void); -int main(void) -{ - int i; - PaError err; - int numLoops = 10; - printf("Loop %d times.\n", numLoops ); - for( i=0; i<numLoops; i++ ) - { - printf("Loop %d out of %d.\n", i+1, numLoops ); - err = TestOnce(); - if( err < 0 ) return 0; - } -} -#else -int main(int argc, char **argv); -int main(int argc, char **argv) -{ - PaError err; - int i, numLoops = 10; - if( argc > 1 ) - { - numLoops = atoi(argv[1]); - } - for( i=0; i<numLoops; i++ ) - { - printf("Loop %d out of %d.\n", i+1, numLoops ); - err = TestOnce(); - if( err < 0 ) return 1; - } - printf("Test complete.\n"); - return 0; -} -#endif -PaError TestOnce( void ) -{ - PaStreamParameters outputParameters; - PaStream *stream; - PaError err; - paTestData data; - int i; - int totalSamps; - /* initialise sinusoidal wavetable */ - for( i=0; i<TABLE_SIZE; i++ ) - { - data.sine[i] = (short) (32767.0 * sin( ((double)i/(double)TABLE_SIZE) * M_PI * 2. )); - } - data.left_phase = data.right_phase = 0; - data.sampsToGo = totalSamps = NUM_SECONDS * SAMPLE_RATE; /* Play for a few seconds. */ - err = Pa_Initialize(); - if( err != paNoError ) goto error; - - outputParameters.device = Pa_GetDefaultOutputDevice(); /* default output device */ - if (outputParameters.device == paNoDevice) { - fprintf(stderr,"Error: No default output device.\n"); - goto error; - } - outputParameters.channelCount = 2; /* stereo output */ - outputParameters.sampleFormat = paInt16; - outputParameters.suggestedLatency = Pa_GetDeviceInfo( outputParameters.device )->defaultLowOutputLatency; - outputParameters.hostApiSpecificStreamInfo = NULL; - err = Pa_OpenStream( - &stream, - NULL, /* no input */ - &outputParameters, - SAMPLE_RATE, - 1024, /* frames per buffer */ - paClipOff, /* we won't output out of range samples so don't bother clipping them */ - patest1Callback, - &data ); - if( err != paNoError ) goto error; - - err = Pa_StartStream( stream ); - if( err != paNoError ) goto error; - printf("Waiting for sound to finish.\n"); - Pa_Sleep(1000); - err = Pa_CloseStream( stream ); - if( err != paNoError ) goto error; - Pa_Terminate(); - return paNoError; -error: - Pa_Terminate(); - fprintf( stderr, "An error occurred while using the portaudio stream\n" ); - fprintf( stderr, "Error number: %d\n", err ); - fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) ); - return err; -} diff --git a/portaudio/test/patest_maxsines.c b/portaudio/test/patest_maxsines.c deleted file mode 100644 index 638a01a..0000000 --- a/portaudio/test/patest_maxsines.c +++ /dev/null @@ -1,216 +0,0 @@ -/** @file patest_maxsines.c - @ingroup test_src - @brief How many sine waves can we calculate and play in less than 80% CPU Load. - @author Ross Bencina <rossb@audiomulch.com> - @author Phil Burk <philburk@softsynth.com> -*/ -/* - * $Id$ - * - * This program uses the PortAudio Portable Audio Library. - * For more information see: http://www.portaudio.com - * Copyright (c) 1999-2000 Ross Bencina and Phil Burk - * - * Permission is hereby granted, free of charge, to any person obtaining - * a copy of this software and associated documentation files - * (the "Software"), to deal in the Software without restriction, - * including without limitation the rights to use, copy, modify, merge, - * publish, distribute, sublicense, and/or sell copies of the Software, - * and to permit persons to whom the Software is furnished to do so, - * subject to the following conditions: - * - * The above copyright notice and this permission notice shall be - * included in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. - * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF - * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION - * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - */ - -/* - * The text above constitutes the entire PortAudio license; however, - * the PortAudio community also makes the following non-binding requests: - * - * Any person wishing to distribute modifications to the Software is - * requested to send the modifications to the original developer so that - * they can be incorporated into the canonical version. It is also - * requested that these non-binding requests be included along with the - * license above. - */ - -#include <stdio.h> -#include <math.h> -#include "portaudio.h" - -#define MAX_SINES (2000) -#define MAX_USAGE (0.5) -#define SAMPLE_RATE (44100) -#define FREQ_TO_PHASE_INC(freq) (freq/(float)SAMPLE_RATE) - -#define MIN_PHASE_INC FREQ_TO_PHASE_INC(200.0f) -#define MAX_PHASE_INC (MIN_PHASE_INC * (1 << 5)) - -#define FRAMES_PER_BUFFER (512) -#ifndef M_PI -#define M_PI (3.14159265) -#endif -#define TWOPI (M_PI * 2.0) - -#define TABLE_SIZE (1024) - -typedef struct paTestData -{ - int numSines; - float sine[TABLE_SIZE + 1]; /* add one for guard point for interpolation */ - float phases[MAX_SINES]; -} -paTestData; - -/* Convert phase between 0.0 and 1.0 to sine value - * using linear interpolation. - */ -float LookupSine( paTestData *data, float phase ); -float LookupSine( paTestData *data, float phase ) -{ - float fIndex = phase*TABLE_SIZE; - int index = (int) fIndex; - float fract = fIndex - index; - float lo = data->sine[index]; - float hi = data->sine[index+1]; - float val = lo + fract*(hi-lo); - return val; -} - -/* This routine will be called by the PortAudio engine when audio is needed. -** It may called at interrupt level on some machines so don't do anything -** that could mess up the system like calling malloc() or free(). -*/ -static int patestCallback(const void* inputBuffer, - void* outputBuffer, - unsigned long framesPerBuffer, - const PaStreamCallbackTimeInfo* timeInfo, - PaStreamCallbackFlags statusFlags, - void* userData ) -{ - paTestData *data = (paTestData*)userData; - float *out = (float*)outputBuffer; - float outSample; - float scaler; - int numForScale; - unsigned long i; - int j; - int finished = 0; - (void) inputBuffer; /* Prevent unused argument warning. */ - - /* Determine amplitude scaling factor */ - numForScale = data->numSines; - if( numForScale < 8 ) numForScale = 8; /* prevent pops at beginning */ - scaler = 1.0f / numForScale; - - for( i=0; i<framesPerBuffer; i++ ) - { - float output = 0.0; - float phaseInc = MIN_PHASE_INC; - float phase; - for( j=0; j<data->numSines; j++ ) - { - /* Advance phase of next oscillator. */ - phase = data->phases[j]; - phase += phaseInc; - if( phase >= 1.0 ) phase -= 1.0; - - output += LookupSine(data, phase); - data->phases[j] = phase; - - phaseInc *= 1.02f; - if( phaseInc > MAX_PHASE_INC ) phaseInc = MIN_PHASE_INC; - } - - outSample = (float) (output * scaler); - *out++ = outSample; /* Left */ - *out++ = outSample; /* Right */ - } - return finished; -} - -/*******************************************************************/ -int main(void); -int main(void) -{ - int i; - PaStream* stream; - PaStreamParameters outputParameters; - PaError err; - paTestData data = {0}; - double load; - - printf("PortAudio Test: output sine wave. SR = %d, BufSize = %d\n", SAMPLE_RATE, FRAMES_PER_BUFFER); - - /* initialise sinusoidal wavetable */ - for( i=0; i<TABLE_SIZE; i++ ) - { - data.sine[i] = (float) sin( ((double)i/(double)TABLE_SIZE) * M_PI * 2. ); - } - data.sine[TABLE_SIZE] = data.sine[0]; /* set guard point */ - - err = Pa_Initialize(); - if( err != paNoError ) - goto error; - outputParameters.device = Pa_GetDefaultOutputDevice(); /* Default output device. */ - if (outputParameters.device == paNoDevice) { - fprintf(stderr,"Error: No default output device.\n"); - goto error; - } - outputParameters.channelCount = 2; /* Stereo output. */ - outputParameters.sampleFormat = paFloat32; /* 32 bit floating point output. */ - outputParameters.hostApiSpecificStreamInfo = NULL; - outputParameters.suggestedLatency = Pa_GetDeviceInfo(outputParameters.device) - ->defaultHighOutputLatency; - err = Pa_OpenStream(&stream, - NULL, /* no input */ - &outputParameters, - SAMPLE_RATE, - FRAMES_PER_BUFFER, - paClipOff, /* No out of range samples should occur. */ - patestCallback, - &data); - if( err != paNoError ) - goto error; - - err = Pa_StartStream( stream ); - if( err != paNoError ) - goto error; - - /* Play an increasing number of sine waves until we hit MAX_USAGE */ - do { - data.numSines += 10; - Pa_Sleep(200); - load = Pa_GetStreamCpuLoad(stream); - printf("numSines = %d, CPU load = %f\n", data.numSines, load ); - fflush(stdout); - } while((load < MAX_USAGE) && (data.numSines < MAX_SINES)); - - Pa_Sleep(2000); /* Stay for 2 seconds at max CPU. */ - - err = Pa_StopStream( stream ); - if( err != paNoError ) - goto error; - - err = Pa_CloseStream( stream ); - if( err != paNoError ) - goto error; - - Pa_Terminate(); - printf("Test finished.\n"); - return err; -error: - Pa_Terminate(); - fprintf( stderr, "An error occurred while using the portaudio stream\n" ); - fprintf( stderr, "Error number: %d\n", err ); - fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) ); - return err; -} diff --git a/portaudio/test/patest_mono.c b/portaudio/test/patest_mono.c deleted file mode 100644 index e7d7d1b..0000000 --- a/portaudio/test/patest_mono.c +++ /dev/null @@ -1,155 +0,0 @@ -/** @file patest_mono.c - @ingroup test_src - @brief Play a monophonic sine wave using the Portable Audio api for several seconds. - @author Phil Burk http://www.softsynth.com -*/ -/* - * $Id$ - * - * Authors: - * Ross Bencina <rossb@audiomulch.com> - * Phil Burk <philburk@softsynth.com> - * - * This program uses the PortAudio Portable Audio Library. - * For more information see: http://www.portaudio.com - * Copyright (c) 1999-2000 Ross Bencina and Phil Burk - * - * Permission is hereby granted, free of charge, to any person obtaining - * a copy of this software and associated documentation files - * (the "Software"), to deal in the Software without restriction, - * including without limitation the rights to use, copy, modify, merge, - * publish, distribute, sublicense, and/or sell copies of the Software, - * and to permit persons to whom the Software is furnished to do so, - * subject to the following conditions: - * - * The above copyright notice and this permission notice shall be - * included in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. - * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF - * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION - * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - */ - -/* - * The text above constitutes the entire PortAudio license; however, - * the PortAudio community also makes the following non-binding requests: - * - * Any person wishing to distribute modifications to the Software is - * requested to send the modifications to the original developer so that - * they can be incorporated into the canonical version. It is also - * requested that these non-binding requests be included along with the - * license above. - */ - -#include <stdio.h> -#include <math.h> -#include "portaudio.h" - -#define NUM_SECONDS (10) -#define SAMPLE_RATE (44100) -#define AMPLITUDE (0.8) -#define FRAMES_PER_BUFFER (64) -#define OUTPUT_DEVICE Pa_GetDefaultOutputDevice() - -#ifndef M_PI -#define M_PI (3.14159265) -#endif - -#define TABLE_SIZE (200) -typedef struct -{ - float sine[TABLE_SIZE]; - int phase; -} -paTestData; - -/* This routine will be called by the PortAudio engine when audio is needed. -** It may called at interrupt level on some machines so don't do anything -** that could mess up the system like calling malloc() or free(). -*/ -static int patestCallback( const void *inputBuffer, void *outputBuffer, - unsigned long framesPerBuffer, - const PaStreamCallbackTimeInfo* timeInfo, - PaStreamCallbackFlags statusFlags, - void *userData ) -{ - paTestData *data = (paTestData*)userData; - float *out = (float*)outputBuffer; - unsigned long i; - int finished = 0; - /* avoid unused variable warnings */ - (void) inputBuffer; - (void) timeInfo; - (void) statusFlags; - for( i=0; i<framesPerBuffer; i++ ) - { - *out++ = data->sine[data->phase]; /* left */ - data->phase += 1; - if( data->phase >= TABLE_SIZE ) data->phase -= TABLE_SIZE; - } - return finished; -} - -/*******************************************************************/ -int main(void); -int main(void) -{ - PaStreamParameters outputParameters; - PaStream *stream; - PaError err; - paTestData data; - int i; - printf("PortAudio Test: output MONO sine wave. SR = %d, BufSize = %d\n", SAMPLE_RATE, FRAMES_PER_BUFFER); - /* initialise sinusoidal wavetable */ - for( i=0; i<TABLE_SIZE; i++ ) - { - data.sine[i] = (float) (AMPLITUDE * sin( ((double)i/(double)TABLE_SIZE) * M_PI * 2. )); - } - data.phase = 0; - - err = Pa_Initialize(); - if( err != paNoError ) goto error; - - outputParameters.device = OUTPUT_DEVICE; - outputParameters.channelCount = 1; /* MONO output */ - outputParameters.sampleFormat = paFloat32; /* 32 bit floating point output */ - outputParameters.suggestedLatency = Pa_GetDeviceInfo( outputParameters.device )->defaultLowOutputLatency; - outputParameters.hostApiSpecificStreamInfo = NULL; - - err = Pa_OpenStream( - &stream, - NULL, /* no input */ - &outputParameters, - SAMPLE_RATE, - FRAMES_PER_BUFFER, - paClipOff, /* we won't output out of range samples so don't bother clipping them */ - patestCallback, - &data ); - if( err != paNoError ) goto error; - - err = Pa_StartStream( stream ); - if( err != paNoError ) goto error; - - printf("Play for %d seconds.\n", NUM_SECONDS ); fflush(stdout); - Pa_Sleep( NUM_SECONDS * 1000 ); - - err = Pa_StopStream( stream ); - if( err != paNoError ) goto error; - - err = Pa_CloseStream( stream ); - if( err != paNoError ) goto error; - - Pa_Terminate(); - printf("Test finished.\n"); - return err; -error: - Pa_Terminate(); - fprintf( stderr, "An error occurred while using the portaudio stream\n" ); - fprintf( stderr, "Error number: %d\n", err ); - fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) ); - return err; -} diff --git a/portaudio/test/patest_multi_sine.c b/portaudio/test/patest_multi_sine.c deleted file mode 100644 index ec9ed8c..0000000 --- a/portaudio/test/patest_multi_sine.c +++ /dev/null @@ -1,205 +0,0 @@ -/** @file patest_multi_sine.c - @ingroup test_src - @brief Play a different sine wave on each channel. - @author Phil Burk http://www.softsynth.com -*/ -/* - * $Id$ - * - * This program uses the PortAudio Portable Audio Library. - * For more information see: http://www.portaudio.com - * Copyright (c) 1999-2000 Ross Bencina and Phil Burk - * - * Permission is hereby granted, free of charge, to any person obtaining - * a copy of this software and associated documentation files - * (the "Software"), to deal in the Software without restriction, - * including without limitation the rights to use, copy, modify, merge, - * publish, distribute, sublicense, and/or sell copies of the Software, - * and to permit persons to whom the Software is furnished to do so, - * subject to the following conditions: - * - * The above copyright notice and this permission notice shall be - * included in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. - * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF - * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION - * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - */ - -/* - * The text above constitutes the entire PortAudio license; however, - * the PortAudio community also makes the following non-binding requests: - * - * Any person wishing to distribute modifications to the Software is - * requested to send the modifications to the original developer so that - * they can be incorporated into the canonical version. It is also - * requested that these non-binding requests be included along with the - * license above. - */ - -#include <stdio.h> -#include <math.h> - -#include "portaudio.h" - -#define SAMPLE_RATE (44100) -#define FRAMES_PER_BUFFER (128) -#define FREQ_INCR (300.0 / SAMPLE_RATE) -#define MAX_CHANNELS (64) - -#ifndef M_PI -#define M_PI (3.14159265) -#endif - -typedef struct -{ - short interleaved; /* Nonzero for interleaved / zero for non-interleaved. */ - int numChannels; /* Actually used. */ - double phases[MAX_CHANNELS]; /* Each channel gets its' own frequency. */ -} -paTestData; - -/* This routine will be called by the PortAudio engine when audio is needed. -** It may called at interrupt level on some machines so don't do anything -** that could mess up the system like calling malloc() or free(). -*/ -static int patestCallback(const void* inputBuffer, - void* outputBuffer, - unsigned long framesPerBuffer, - const PaStreamCallbackTimeInfo* timeInfo, - PaStreamCallbackFlags statusFlags, - void* userData) -{ - int frameIndex, channelIndex; - float** outputs = (float**)outputBuffer; - paTestData* data = (paTestData*)userData; - - (void) inputBuffer; /* Prevent unused arg warning. */ - if (data->interleaved) - { - float *out = (float*)outputBuffer; /* interleaved version */ - for( frameIndex=0; frameIndex<(int)framesPerBuffer; frameIndex++ ) - { - for( channelIndex=0; channelIndex<data->numChannels; channelIndex++ ) - { - /* Output sine wave on every channel. */ - *out++ = (float) sin(data->phases[channelIndex]); - - /* Play each channel at a higher frequency. */ - data->phases[channelIndex] += FREQ_INCR * (4 + channelIndex); - if( data->phases[channelIndex] >= (2.0 * M_PI) ) data->phases[channelIndex] -= (2.0 * M_PI); - } - } - } - else - { - for( frameIndex=0; frameIndex<(int)framesPerBuffer; frameIndex++ ) - { - for( channelIndex=0; channelIndex<data->numChannels; channelIndex++ ) - { - /* Output sine wave on every channel. */ - outputs[channelIndex][frameIndex] = (float) sin(data->phases[channelIndex]); - - /* Play each channel at a higher frequency. */ - data->phases[channelIndex] += FREQ_INCR * (4 + channelIndex); - if( data->phases[channelIndex] >= (2.0 * M_PI) ) data->phases[channelIndex] -= (2.0 * M_PI); - } - } - } - return 0; -} - -/*******************************************************************/ -int test(short interleaved) -{ - PaStream* stream; - PaStreamParameters outputParameters; - PaError err; - const PaDeviceInfo* pdi; - paTestData data; - short n; - - outputParameters.device = Pa_GetDefaultOutputDevice(); /* Default output device, max channels. */ - if (outputParameters.device == paNoDevice) { - fprintf(stderr,"Error: No default output device.\n"); - return paInvalidDevice; - } - pdi = Pa_GetDeviceInfo(outputParameters.device); - outputParameters.channelCount = pdi->maxOutputChannels; - if (outputParameters.channelCount > MAX_CHANNELS) - outputParameters.channelCount = MAX_CHANNELS; - outputParameters.sampleFormat = paFloat32; /* 32 bit floating point output */ - outputParameters.suggestedLatency = pdi->defaultLowOutputLatency; - outputParameters.hostApiSpecificStreamInfo = NULL; - - data.interleaved = interleaved; - data.numChannels = outputParameters.channelCount; - for (n = 0; n < data.numChannels; n++) - data.phases[n] = 0.0; /* Phases wrap and maybe don't need initialisation. */ - printf("%d ", data.numChannels); - if (interleaved) - printf("interleaved "); - else - { - printf(" non-interleaved "); - outputParameters.sampleFormat |= paNonInterleaved; - } - printf("channels.\n"); - - err = Pa_OpenStream(&stream, - NULL, /* No input. */ - &outputParameters, - SAMPLE_RATE, /* Sample rate. */ - FRAMES_PER_BUFFER, /* Frames per buffer. */ - paClipOff, /* Samples never out of range, no clipping. */ - patestCallback, - &data); - if (err == paNoError) - { - err = Pa_StartStream(stream); - if (err == paNoError) - { - printf("Hit ENTER to stop this test.\n"); - getchar(); - err = Pa_StopStream(stream); - } - Pa_CloseStream( stream ); - } - return err; -} - - -/*******************************************************************/ -int main(void) -{ - PaError err; - - printf("PortAudio Test: output sine wave on each channel.\n" ); - - err = Pa_Initialize(); - if (err != paNoError) - goto done; - - err = test(1); /* 1 means interleaved. */ - if (err != paNoError) - goto done; - - err = test(0); /* 0 means not interleaved. */ - if (err != paNoError) - goto done; - - printf("Test finished.\n"); -done: - if (err) - { - fprintf(stderr, "An error occurred while using the portaudio stream\n"); - fprintf(stderr, "Error number: %d\n", err ); - fprintf(stderr, "Error message: %s\n", Pa_GetErrorText(err)); - } - Pa_Terminate(); - return 0; -} diff --git a/portaudio/test/patest_out_underflow.c b/portaudio/test/patest_out_underflow.c deleted file mode 100644 index a8c45ea..0000000 --- a/portaudio/test/patest_out_underflow.c +++ /dev/null @@ -1,251 +0,0 @@ -/** @file patest_out_underflow.c - @ingroup test_src - @brief Count output underflows (using paOutputUnderflow flag) - under overloaded and normal conditions. - @author Ross Bencina <rossb@audiomulch.com> - @author Phil Burk <philburk@softsynth.com> -*/ -/* - * $Id$ - * - * This program uses the PortAudio Portable Audio Library. - * For more information see: http://www.portaudio.com - * Copyright (c) 1999-2004 Ross Bencina and Phil Burk - * - * Permission is hereby granted, free of charge, to any person obtaining - * a copy of this software and associated documentation files - * (the "Software"), to deal in the Software without restriction, - * including without limitation the rights to use, copy, modify, merge, - * publish, distribute, sublicense, and/or sell copies of the Software, - * and to permit persons to whom the Software is furnished to do so, - * subject to the following conditions: - * - * The above copyright notice and this permission notice shall be - * included in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. - * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF - * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION - * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - */ - -/* - * The text above constitutes the entire PortAudio license; however, - * the PortAudio community also makes the following non-binding requests: - * - * Any person wishing to distribute modifications to the Software is - * requested to send the modifications to the original developer so that - * they can be incorporated into the canonical version. It is also - * requested that these non-binding requests be included along with the - * license above. - */ - -#include <stdio.h> -#include <math.h> -#include "portaudio.h" - -#define MAX_SINES (1000) -#define MAX_LOAD (1.2) -#define SAMPLE_RATE (44100) -#define FRAMES_PER_BUFFER (512) -#ifndef M_PI -#define M_PI (3.14159265) -#endif -#define TWOPI (M_PI * 2.0) - -typedef struct paTestData -{ - int sineCount; - double phases[MAX_SINES]; - int countUnderflows; - int outputUnderflowCount; -} -paTestData; - -/* This routine will be called by the PortAudio engine when audio is needed. -** It may called at interrupt level on some machines so don't do anything -** that could mess up the system like calling malloc() or free(). -*/ -static int patestCallback( const void *inputBuffer, void *outputBuffer, - unsigned long framesPerBuffer, - const PaStreamCallbackTimeInfo* timeInfo, - PaStreamCallbackFlags statusFlags, - void *userData ) -{ - paTestData *data = (paTestData*)userData; - float *out = (float*)outputBuffer; - unsigned long i; - int j; - int finished = paContinue; - (void) timeInfo; /* Prevent unused variable warning. */ - (void) inputBuffer; /* Prevent unused variable warning. */ - - - if( data->countUnderflows && (statusFlags & paOutputUnderflow) ) - { - data->outputUnderflowCount++; - } - for( i=0; i<framesPerBuffer; i++ ) - { - float output = 0.0; - double phaseInc = 0.02; - double phase; - - for( j=0; j<data->sineCount; j++ ) - { - /* Advance phase of next oscillator. */ - phase = data->phases[j]; - phase += phaseInc; - if( phase > TWOPI ) phase -= TWOPI; - - phaseInc *= 1.02; - if( phaseInc > 0.5 ) phaseInc *= 0.5; - - /* This is not a very efficient way to calc sines. */ - output += (float) sin( phase ); - data->phases[j] = phase; - } - *out++ = (float) (output / data->sineCount); - } - - return finished; -} - -/*******************************************************************/ -int main(void); -int main(void) -{ - PaStreamParameters outputParameters; - PaStream *stream; - PaError err; - int safeSineCount, stressedSineCount; - int sineCount; - int safeUnderflowCount, stressedUnderflowCount; - paTestData data = {0}; - double load; - double suggestedLatency; - - - printf("PortAudio Test: output sine waves, count underflows. SR = %d, BufSize = %d. MAX_LOAD = %f\n", - SAMPLE_RATE, FRAMES_PER_BUFFER, (float)MAX_LOAD ); - - err = Pa_Initialize(); - if( err != paNoError ) goto error; - - outputParameters.device = Pa_GetDefaultOutputDevice(); /* default output device */ - if (outputParameters.device == paNoDevice) { - fprintf(stderr,"Error: No default output device.\n"); - goto error; - } - outputParameters.channelCount = 1; /* mono output */ - outputParameters.sampleFormat = paFloat32; /* 32 bit floating point output */ - suggestedLatency = Pa_GetDeviceInfo( outputParameters.device )->defaultLowOutputLatency; - outputParameters.suggestedLatency = suggestedLatency; - outputParameters.hostApiSpecificStreamInfo = NULL; - - err = Pa_OpenStream( - &stream, - NULL, /* no input */ - &outputParameters, - SAMPLE_RATE, - FRAMES_PER_BUFFER, - paClipOff, /* we won't output out of range samples so don't bother clipping them */ - patestCallback, - &data ); - if( err != paNoError ) goto error; - err = Pa_StartStream( stream ); - if( err != paNoError ) goto error; - - printf("Establishing load conditions...\n" ); - - /* Determine number of sines required to get to 50% */ - do - { - Pa_Sleep( 100 ); - - load = Pa_GetStreamCpuLoad( stream ); - printf("sineCount = %d, CPU load = %f\n", data.sineCount, load ); - - if( load < 0.3 ) - { - data.sineCount += 10; - } - else if( load < 0.4 ) - { - data.sineCount += 2; - } - else - { - data.sineCount += 1; - } - } - while( load < 0.5 && data.sineCount < (MAX_SINES-1)); - - safeSineCount = data.sineCount; - - /* Calculate target stress value then ramp up to that level*/ - stressedSineCount = (int) (2.0 * data.sineCount * MAX_LOAD ); - if( stressedSineCount > MAX_SINES ) - stressedSineCount = MAX_SINES; - sineCount = data.sineCount; - for( ; sineCount < stressedSineCount; sineCount+=4 ) - { - data.sineCount = sineCount; - Pa_Sleep( 100 ); - load = Pa_GetStreamCpuLoad( stream ); - printf("STRESSING: sineCount = %d, CPU load = %f\n", sineCount, load ); - } - - printf("Counting underflows for 2 seconds.\n"); - data.countUnderflows = 1; - Pa_Sleep( 2000 ); - - stressedUnderflowCount = data.outputUnderflowCount; - - data.countUnderflows = 0; - data.sineCount = safeSineCount; - - printf("Resuming safe load...\n"); - Pa_Sleep( 1500 ); - data.outputUnderflowCount = 0; - Pa_Sleep( 1500 ); - load = Pa_GetStreamCpuLoad( stream ); - printf("sineCount = %d, CPU load = %f\n", data.sineCount, load ); - - printf("Counting underflows for 5 seconds.\n"); - data.countUnderflows = 1; - Pa_Sleep( 5000 ); - - safeUnderflowCount = data.outputUnderflowCount; - - printf("Stop stream.\n"); - err = Pa_StopStream( stream ); - if( err != paNoError ) goto error; - - err = Pa_CloseStream( stream ); - if( err != paNoError ) goto error; - - Pa_Terminate(); - - printf("suggestedLatency = %f\n", suggestedLatency); - - // Report pass or fail - if( stressedUnderflowCount == 0 ) - printf("Test FAILED, no output underflows detected under stress.\n"); - else - printf("Test %s, %d expected output underflows detected under stress, " - "%d unexpected underflows detected under safe load.\n", - (safeUnderflowCount == 0) ? "PASSED" : "FAILED", - stressedUnderflowCount, safeUnderflowCount ); - - return err; -error: - Pa_Terminate(); - fprintf( stderr, "An error occurred while using the portaudio stream\n" ); - fprintf( stderr, "Error number: %d\n", err ); - fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) ); - return err; -} diff --git a/portaudio/test/patest_prime.c b/portaudio/test/patest_prime.c deleted file mode 100644 index e943310..0000000 --- a/portaudio/test/patest_prime.c +++ /dev/null @@ -1,234 +0,0 @@ -/** @file patest_prime.c - @ingroup test_src - @brief Test stream priming mode. - @author Ross Bencina http://www.audiomulch.com/~rossb -*/ - -/* - * $Id$ - * - * This program uses the PortAudio Portable Audio Library. - * For more information see: http://www.portaudio.com - * Copyright (c) 1999-2000 Ross Bencina and Phil Burk - * - * Permission is hereby granted, free of charge, to any person obtaining - * a copy of this software and associated documentation files - * (the "Software"), to deal in the Software without restriction, - * including without limitation the rights to use, copy, modify, merge, - * publish, distribute, sublicense, and/or sell copies of the Software, - * and to permit persons to whom the Software is furnished to do so, - * subject to the following conditions: - * - * The above copyright notice and this permission notice shall be - * included in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. - * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF - * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION - * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - */ - -/* - * The text above constitutes the entire PortAudio license; however, - * the PortAudio community also makes the following non-binding requests: - * - * Any person wishing to distribute modifications to the Software is - * requested to send the modifications to the original developer so that - * they can be incorporated into the canonical version. It is also - * requested that these non-binding requests be included along with the - * license above. - */ - -#include <stdio.h> -#include <math.h> -#include "portaudio.h" -#include "pa_util.h" - -#define NUM_BEEPS (3) -#define SAMPLE_RATE (44100) -#define SAMPLE_PERIOD (1.0/44100.0) -#define FRAMES_PER_BUFFER (256) -#define BEEP_DURATION (400) -#define IDLE_DURATION (SAMPLE_RATE*2) /* 2 seconds */ -#define SLEEP_MSEC (50) - -#define STATE_BKG_IDLE (0) -#define STATE_BKG_BEEPING (1) - -typedef struct -{ - float leftPhase; - float rightPhase; - int state; - int beepCountdown; - int idleCountdown; -} -paTestData; - -static void InitializeTestData( paTestData *testData ) -{ - testData->leftPhase = 0; - testData->rightPhase = 0; - testData->state = STATE_BKG_BEEPING; - testData->beepCountdown = BEEP_DURATION; - testData->idleCountdown = IDLE_DURATION; -} - -/* This routine will be called by the PortAudio engine when audio is needed. -** It may called at interrupt level on some machines so don't do anything -** that could mess up the system like calling malloc() or free(). -*/ -static int patestCallback( const void *inputBuffer, void *outputBuffer, - unsigned long framesPerBuffer, - const PaStreamCallbackTimeInfo *timeInfo, - PaStreamCallbackFlags statusFlags, void *userData ) -{ - /* Cast data passed through stream to our structure. */ - paTestData *data = (paTestData*)userData; - float *out = (float*)outputBuffer; - unsigned int i; - int result = paContinue; - - /* suppress unused parameter warnings */ - (void) inputBuffer; - (void) timeInfo; - (void) statusFlags; - - for( i=0; i<framesPerBuffer; i++ ) - { - switch( data->state ) - { - case STATE_BKG_IDLE: - *out++ = 0.0; /* left */ - *out++ = 0.0; /* right */ - --data->idleCountdown; - - if( data->idleCountdown <= 0 ) result = paComplete; - break; - - case STATE_BKG_BEEPING: - if( data->beepCountdown <= 0 ) - { - data->state = STATE_BKG_IDLE; - *out++ = 0.0; /* left */ - *out++ = 0.0; /* right */ - } - else - { - /* Play sawtooth wave. */ - *out++ = data->leftPhase; /* left */ - *out++ = data->rightPhase; /* right */ - /* Generate simple sawtooth phaser that ranges between -1.0 and 1.0. */ - data->leftPhase += 0.01f; - /* When signal reaches top, drop back down. */ - if( data->leftPhase >= 1.0f ) data->leftPhase -= 2.0f; - /* higher pitch so we can distinguish left and right. */ - data->rightPhase += 0.03f; - if( data->rightPhase >= 1.0f ) data->rightPhase -= 2.0f; - } - --data->beepCountdown; - break; - } - } - - return result; -} - -/*******************************************************************/ -static PaError DoTest( int flags ) -{ - PaStream *stream; - PaError err = paNoError; - paTestData data; - PaStreamParameters outputParameters; - - InitializeTestData( &data ); - - outputParameters.device = Pa_GetDefaultOutputDevice(); - if (outputParameters.device == paNoDevice) { - fprintf(stderr,"Error: No default output device.\n"); - goto error; - } - outputParameters.channelCount = 2; - outputParameters.hostApiSpecificStreamInfo = NULL; - outputParameters.sampleFormat = paFloat32; - outputParameters.suggestedLatency = Pa_GetDeviceInfo( outputParameters.device )->defaultHighOutputLatency; - - /* Open an audio I/O stream. */ - err = Pa_OpenStream( - &stream, - NULL, /* no input */ - &outputParameters, - SAMPLE_RATE, - FRAMES_PER_BUFFER, /* frames per buffer */ - paClipOff | flags, /* we won't output out of range samples so don't bother clipping them */ - patestCallback, - &data ); - if( err != paNoError ) goto error; - - - err = Pa_StartStream( stream ); - if( err != paNoError ) goto error; - - printf("hear \"BEEP\"\n" ); - fflush(stdout); - - while( ( err = Pa_IsStreamActive( stream ) ) == 1 ) Pa_Sleep(SLEEP_MSEC); - if( err < 0 ) goto error; - - err = Pa_StopStream( stream ); - if( err != paNoError ) goto error; - - err = Pa_CloseStream( stream ); - if( err != paNoError ) goto error; - - return err; -error: - return err; -} - -/*******************************************************************/ -int main(void); -int main(void) -{ - PaError err = paNoError; - int i; - - /* Initialize library before making any other calls. */ - err = Pa_Initialize(); - if( err != paNoError ) goto error; - - printf("PortAudio Test: Testing stream playback with no priming.\n"); - printf("PortAudio Test: you should see BEEP before you hear it.\n"); - printf("BEEP %d times.\n", NUM_BEEPS ); - - for( i=0; i< NUM_BEEPS; ++i ) - { - err = DoTest( 0 ); - if( err != paNoError ) - goto error; - } - - printf("PortAudio Test: Testing stream playback with priming.\n"); - printf("PortAudio Test: you should see BEEP around the same time you hear it.\n"); - for( i=0; i< NUM_BEEPS; ++i ) - { - err = DoTest( paPrimeOutputBuffersUsingStreamCallback ); - if( err != paNoError ) - goto error; - } - - printf("Test finished.\n"); - - Pa_Terminate(); - return err; -error: - Pa_Terminate(); - fprintf( stderr, "An error occurred while using the portaudio stream\n" ); - fprintf( stderr, "Error number: %d\n", err ); - fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) ); - return err; -} diff --git a/portaudio/test/patest_read_record.c b/portaudio/test/patest_read_record.c deleted file mode 100644 index bd9c7fe..0000000 --- a/portaudio/test/patest_read_record.c +++ /dev/null @@ -1,243 +0,0 @@ -/** @file patest_read_record.c - @ingroup test_src - @brief Record input into an array; Save array to a file; Playback recorded - data. Implemented using the blocking API (Pa_ReadStream(), Pa_WriteStream() ) - @author Phil Burk http://www.softsynth.com - @author Ross Bencina rossb@audiomulch.com -*/ -/* - * $Id$ - * - * This program uses the PortAudio Portable Audio Library. - * For more information see: http://www.portaudio.com - * Copyright (c) 1999-2000 Ross Bencina and Phil Burk - * - * Permission is hereby granted, free of charge, to any person obtaining - * a copy of this software and associated documentation files - * (the "Software"), to deal in the Software without restriction, - * including without limitation the rights to use, copy, modify, merge, - * publish, distribute, sublicense, and/or sell copies of the Software, - * and to permit persons to whom the Software is furnished to do so, - * subject to the following conditions: - * - * The above copyright notice and this permission notice shall be - * included in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. - * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF - * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION - * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - */ - -/* - * The text above constitutes the entire PortAudio license; however, - * the PortAudio community also makes the following non-binding requests: - * - * Any person wishing to distribute modifications to the Software is - * requested to send the modifications to the original developer so that - * they can be incorporated into the canonical version. It is also - * requested that these non-binding requests be included along with the - * license above. - */ - -#include <stdio.h> -#include <stdlib.h> -#include "portaudio.h" - -/* #define SAMPLE_RATE (17932) // Test failure to open with this value. */ -#define SAMPLE_RATE (44100) -#define FRAMES_PER_BUFFER (1024) -#define NUM_SECONDS (5) -#define NUM_CHANNELS (2) -/* #define DITHER_FLAG (paDitherOff) */ -#define DITHER_FLAG (0) /**/ - -/* Select sample format. */ -#if 1 -#define PA_SAMPLE_TYPE paFloat32 -typedef float SAMPLE; -#define SAMPLE_SILENCE (0.0f) -#define PRINTF_S_FORMAT "%.8f" -#elif 1 -#define PA_SAMPLE_TYPE paInt16 -typedef short SAMPLE; -#define SAMPLE_SILENCE (0) -#define PRINTF_S_FORMAT "%d" -#elif 0 -#define PA_SAMPLE_TYPE paInt8 -typedef char SAMPLE; -#define SAMPLE_SILENCE (0) -#define PRINTF_S_FORMAT "%d" -#else -#define PA_SAMPLE_TYPE paUInt8 -typedef unsigned char SAMPLE; -#define SAMPLE_SILENCE (128) -#define PRINTF_S_FORMAT "%d" -#endif - - -/*******************************************************************/ -int main(void); -int main(void) -{ - PaStreamParameters inputParameters, outputParameters; - PaStream *stream; - PaError err; - SAMPLE *recordedSamples; - int i; - int totalFrames; - int numSamples; - int numBytes; - SAMPLE max, average, val; - - - printf("patest_read_record.c\n"); fflush(stdout); - - totalFrames = NUM_SECONDS * SAMPLE_RATE; /* Record for a few seconds. */ - numSamples = totalFrames * NUM_CHANNELS; - - numBytes = numSamples * sizeof(SAMPLE); - recordedSamples = (SAMPLE *) malloc( numBytes ); - if( recordedSamples == NULL ) - { - printf("Could not allocate record array.\n"); - exit(1); - } - for( i=0; i<numSamples; i++ ) recordedSamples[i] = 0; - - err = Pa_Initialize(); - if( err != paNoError ) goto error; - - inputParameters.device = Pa_GetDefaultInputDevice(); /* default input device */ - if (inputParameters.device == paNoDevice) { - fprintf(stderr,"Error: No default input device.\n"); - goto error; - } - inputParameters.channelCount = NUM_CHANNELS; - inputParameters.sampleFormat = PA_SAMPLE_TYPE; - inputParameters.suggestedLatency = Pa_GetDeviceInfo( inputParameters.device )->defaultLowInputLatency; - inputParameters.hostApiSpecificStreamInfo = NULL; - - /* Record some audio. -------------------------------------------- */ - err = Pa_OpenStream( - &stream, - &inputParameters, - NULL, /* &outputParameters, */ - SAMPLE_RATE, - FRAMES_PER_BUFFER, - paClipOff, /* we won't output out of range samples so don't bother clipping them */ - NULL, /* no callback, use blocking API */ - NULL ); /* no callback, so no callback userData */ - if( err != paNoError ) goto error; - - err = Pa_StartStream( stream ); - if( err != paNoError ) goto error; - printf("Now recording!!\n"); fflush(stdout); - - err = Pa_ReadStream( stream, recordedSamples, totalFrames ); - if( err != paNoError ) goto error; - - err = Pa_CloseStream( stream ); - if( err != paNoError ) goto error; - - /* Measure maximum peak amplitude. */ - max = 0; - average = 0; - for( i=0; i<numSamples; i++ ) - { - val = recordedSamples[i]; - if( val < 0 ) val = -val; /* ABS */ - if( val > max ) - { - max = val; - } - average += val; - } - - average = average / numSamples; - - printf("Sample max amplitude = "PRINTF_S_FORMAT"\n", max ); - printf("Sample average = "PRINTF_S_FORMAT"\n", average ); -/* Was as below. Better choose at compile time because this - keeps generating compiler-warnings: - if( PA_SAMPLE_TYPE == paFloat32 ) - { - printf("sample max amplitude = %f\n", max ); - printf("sample average = %f\n", average ); - } - else - { - printf("sample max amplitude = %d\n", max ); - printf("sample average = %d\n", average ); - } -*/ - /* Write recorded data to a file. */ -#if 0 - { - FILE *fid; - fid = fopen("recorded.raw", "wb"); - if( fid == NULL ) - { - printf("Could not open file."); - } - else - { - fwrite( recordedSamples, NUM_CHANNELS * sizeof(SAMPLE), totalFrames, fid ); - fclose( fid ); - printf("Wrote data to 'recorded.raw'\n"); - } - } -#endif - - /* Playback recorded data. -------------------------------------------- */ - - outputParameters.device = Pa_GetDefaultOutputDevice(); /* default output device */ - if (outputParameters.device == paNoDevice) { - fprintf(stderr,"Error: No default output device.\n"); - goto error; - } - outputParameters.channelCount = NUM_CHANNELS; - outputParameters.sampleFormat = PA_SAMPLE_TYPE; - outputParameters.suggestedLatency = Pa_GetDeviceInfo( outputParameters.device )->defaultLowOutputLatency; - outputParameters.hostApiSpecificStreamInfo = NULL; - - printf("Begin playback.\n"); fflush(stdout); - err = Pa_OpenStream( - &stream, - NULL, /* no input */ - &outputParameters, - SAMPLE_RATE, - FRAMES_PER_BUFFER, - paClipOff, /* we won't output out of range samples so don't bother clipping them */ - NULL, /* no callback, use blocking API */ - NULL ); /* no callback, so no callback userData */ - if( err != paNoError ) goto error; - - if( stream ) - { - err = Pa_StartStream( stream ); - if( err != paNoError ) goto error; - printf("Waiting for playback to finish.\n"); fflush(stdout); - - err = Pa_WriteStream( stream, recordedSamples, totalFrames ); - if( err != paNoError ) goto error; - - err = Pa_CloseStream( stream ); - if( err != paNoError ) goto error; - printf("Done.\n"); fflush(stdout); - } - free( recordedSamples ); - - Pa_Terminate(); - return 0; - -error: - Pa_Terminate(); - fprintf( stderr, "An error occurred while using the portaudio stream\n" ); - fprintf( stderr, "Error number: %d\n", err ); - fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) ); - return -1; -} diff --git a/portaudio/test/patest_ringmix.c b/portaudio/test/patest_ringmix.c deleted file mode 100644 index 2db6706..0000000 --- a/portaudio/test/patest_ringmix.c +++ /dev/null @@ -1,86 +0,0 @@ -/** @file patest_ringmix.c - @ingroup test_src - @brief Ring modulate inputs to left output, mix inputs to right output. -*/ -/* - * $Id$ - * - * This program uses the PortAudio Portable Audio Library. - * For more information see: http://www.portaudio.com - * Copyright (c) 1999-2000 Ross Bencina and Phil Burk - * - * Permission is hereby granted, free of charge, to any person obtaining - * a copy of this software and associated documentation files - * (the "Software"), to deal in the Software without restriction, - * including without limitation the rights to use, copy, modify, merge, - * publish, distribute, sublicense, and/or sell copies of the Software, - * and to permit persons to whom the Software is furnished to do so, - * subject to the following conditions: - * - * The above copyright notice and this permission notice shall be - * included in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. - * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF - * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION - * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - */ - -/* - * The text above constitutes the entire PortAudio license; however, - * the PortAudio community also makes the following non-binding requests: - * - * Any person wishing to distribute modifications to the Software is - * requested to send the modifications to the original developer so that - * they can be incorporated into the canonical version. It is also - * requested that these non-binding requests be included along with the - * license above. - */ - - -#include "stdio.h" -#include "portaudio.h" -/* This will be called asynchronously by the PortAudio engine. */ -static int myCallback( const void *inputBuffer, void *outputBuffer, - unsigned long framesPerBuffer, - const PaStreamCallbackTimeInfo* timeInfo, - PaStreamCallbackFlags statusFlags, - void *userData ) -{ - const float *in = (const float *) inputBuffer; - float *out = (float *) outputBuffer; - float leftInput, rightInput; - unsigned int i; - - /* Read input buffer, process data, and fill output buffer. */ - for( i=0; i<framesPerBuffer; i++ ) - { - leftInput = *in++; /* Get interleaved samples from input buffer. */ - rightInput = *in++; - *out++ = leftInput * rightInput; /* ring modulation */ - *out++ = 0.5f * (leftInput + rightInput); /* mix */ - } - return 0; -} - -/* Open a PortAudioStream to input and output audio data. */ -int main(void) -{ - PaStream *stream; - Pa_Initialize(); - Pa_OpenDefaultStream( - &stream, - 2, 2, /* stereo input and output */ - paFloat32, 44100.0, - 64, /* 64 frames per buffer */ - myCallback, NULL ); - Pa_StartStream( stream ); - Pa_Sleep( 10000 ); /* Sleep for 10 seconds while processing. */ - Pa_StopStream( stream ); - Pa_CloseStream( stream ); - Pa_Terminate(); - return 0; -} diff --git a/portaudio/test/patest_sine8.c b/portaudio/test/patest_sine8.c deleted file mode 100644 index 82de69d..0000000 --- a/portaudio/test/patest_sine8.c +++ /dev/null @@ -1,216 +0,0 @@ -/** @file patest_sine8.c - @ingroup test_src - @brief Test 8 bit data: play a sine wave for several seconds. - @author Ross Bencina <rossb@audiomulch.com> -*/ -/* - * $Id$ - * - * This program uses the PortAudio Portable Audio Library. - * For more information see: http://www.portaudio.com - * Copyright (c) 1999-2000 Ross Bencina and Phil Burk - * - * Permission is hereby granted, free of charge, to any person obtaining - * a copy of this software and associated documentation files - * (the "Software"), to deal in the Software without restriction, - * including without limitation the rights to use, copy, modify, merge, - * publish, distribute, sublicense, and/or sell copies of the Software, - * and to permit persons to whom the Software is furnished to do so, - * subject to the following conditions: - * - * The above copyright notice and this permission notice shall be - * included in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. - * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF - * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION - * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - */ - -/* - * The text above constitutes the entire PortAudio license; however, - * the PortAudio community also makes the following non-binding requests: - * - * Any person wishing to distribute modifications to the Software is - * requested to send the modifications to the original developer so that - * they can be incorporated into the canonical version. It is also - * requested that these non-binding requests be included along with the - * license above. - */ - -#include <stdio.h> -#include <math.h> -#include "portaudio.h" - -#define NUM_SECONDS (8) -#define SAMPLE_RATE (44100) -#define TABLE_SIZE (200) -#define TEST_UNSIGNED (0) - -#if TEST_UNSIGNED -#define TEST_FORMAT paUInt8 -typedef unsigned char sample_t; -#define SILENCE ((sample_t)0x80) -#else -#define TEST_FORMAT paInt8 -typedef char sample_t; -#define SILENCE ((sample_t)0x00) -#endif - -#ifndef M_PI -#define M_PI (3.14159265) -#endif - -typedef struct -{ - sample_t sine[TABLE_SIZE]; - int left_phase; - int right_phase; - unsigned int framesToGo; -} -paTestData; - -/* This routine will be called by the PortAudio engine when audio is needed. -** It may called at interrupt level on some machines so don't do anything -** that could mess up the system like calling malloc() or free(). -*/ -static int patestCallback( const void *inputBuffer, void *outputBuffer, - unsigned long framesPerBuffer, - const PaStreamCallbackTimeInfo* timeInfo, - PaStreamCallbackFlags statusFlags, - void *userData ) -{ - paTestData *data = (paTestData*)userData; - sample_t *out = (sample_t*)outputBuffer; - int i; - int framesToCalc; - int finished = 0; - (void) inputBuffer; /* Prevent unused variable warnings. */ - - if( data->framesToGo < framesPerBuffer ) - { - framesToCalc = data->framesToGo; - data->framesToGo = 0; - finished = 1; - } - else - { - framesToCalc = framesPerBuffer; - data->framesToGo -= framesPerBuffer; - } - - for( i=0; i<framesToCalc; i++ ) - { - *out++ = data->sine[data->left_phase]; /* left */ - *out++ = data->sine[data->right_phase]; /* right */ - data->left_phase += 1; - if( data->left_phase >= TABLE_SIZE ) data->left_phase -= TABLE_SIZE; - data->right_phase += 3; /* higher pitch so we can distinguish left and right. */ - if( data->right_phase >= TABLE_SIZE ) data->right_phase -= TABLE_SIZE; - } - /* zero remainder of final buffer */ - for( ; i<(int)framesPerBuffer; i++ ) - { - *out++ = SILENCE; /* left */ - *out++ = SILENCE; /* right */ - } - return finished; -} - -/*******************************************************************/ -int main(void); -int main(void) -{ - PaStreamParameters outputParameters; - PaStream* stream; - PaError err; - paTestData data; - PaTime streamOpened; - int i, totalSamps; - -#if TEST_UNSIGNED - printf("PortAudio Test: output UNsigned 8 bit sine wave.\n"); -#else - printf("PortAudio Test: output signed 8 bit sine wave.\n"); -#endif - /* initialise sinusoidal wavetable */ - for( i=0; i<TABLE_SIZE; i++ ) - { - data.sine[i] = SILENCE + (char) (127.0 * sin( ((double)i/(double)TABLE_SIZE) * M_PI * 2. )); - } - data.left_phase = data.right_phase = 0; - data.framesToGo = totalSamps = NUM_SECONDS * SAMPLE_RATE; /* Play for a few seconds. */ - - err = Pa_Initialize(); - if( err != paNoError ) - goto error; - - outputParameters.device = Pa_GetDefaultOutputDevice(); /* Default output device. */ - if (outputParameters.device == paNoDevice) { - fprintf(stderr,"Error: No default output device.\n"); - goto error; - } - outputParameters.channelCount = 2; /* Stereo output. */ - outputParameters.sampleFormat = TEST_FORMAT; - outputParameters.suggestedLatency = Pa_GetDeviceInfo( outputParameters.device )->defaultLowOutputLatency; - outputParameters.hostApiSpecificStreamInfo = NULL; - err = Pa_OpenStream( &stream, - NULL, /* No input. */ - &outputParameters, - SAMPLE_RATE, - 256, /* Frames per buffer. */ - paClipOff, /* We won't output out of range samples so don't bother clipping them. */ - patestCallback, - &data ); - if( err != paNoError ) - goto error; - - streamOpened = Pa_GetStreamTime( stream ); /* Time in seconds when stream was opened (approx). */ - - err = Pa_StartStream( stream ); - if( err != paNoError ) - goto error; - - /* Watch until sound is halfway finished. */ - /* (Was ( Pa_StreamTime( stream ) < (totalSamps/2) ) in V18. */ - while( (Pa_GetStreamTime( stream ) - streamOpened) < (PaTime)NUM_SECONDS / 2.0 ) - Pa_Sleep(10); - - /* Stop sound. */ - printf("Stopping Stream.\n"); - err = Pa_StopStream( stream ); - if( err != paNoError ) - goto error; - - printf("Pause for 2 seconds.\n"); - Pa_Sleep( 2000 ); - - printf("Starting again.\n"); - err = Pa_StartStream( stream ); - if( err != paNoError ) - goto error; - - printf("Waiting for sound to finish.\n"); - - while( ( err = Pa_IsStreamActive( stream ) ) == 1 ) - Pa_Sleep(100); - if( err < 0 ) - goto error; - - err = Pa_CloseStream( stream ); - if( err != paNoError ) - goto error; - - Pa_Terminate(); - printf("Test finished.\n"); - return err; -error: - Pa_Terminate(); - fprintf( stderr, "An error occurred while using the portaudio stream\n" ); - fprintf( stderr, "Error number: %d\n", err ); - fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) ); - return err; -} diff --git a/portaudio/test/patest_sine_channelmaps.c b/portaudio/test/patest_sine_channelmaps.c deleted file mode 100644 index 3476701..0000000 --- a/portaudio/test/patest_sine_channelmaps.c +++ /dev/null @@ -1,190 +0,0 @@ -/* - * patest_sine_channelmaps.c - * - * This program uses the PortAudio Portable Audio Library. - * For more information see: http://www.portaudio.com/ - * Copyright (c) 1999-2000 Ross Bencina and Phil Burk - * - * Permission is hereby granted, free of charge, to any person obtaining - * a copy of this software and associated documentation files - * (the "Software"), to deal in the Software without restriction, - * including without limitation the rights to use, copy, modify, merge, - * publish, distribute, sublicense, and/or sell copies of the Software, - * and to permit persons to whom the Software is furnished to do so, - * subject to the following conditions: - * - * The above copyright notice and this permission notice shall be - * included in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. - * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF - * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION - * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - */ - -/* - * The text above constitutes the entire PortAudio license; however, - * the PortAudio community also makes the following non-binding requests: - * - * Any person wishing to distribute modifications to the Software is - * requested to send the modifications to the original developer so that - * they can be incorporated into the canonical version. It is also - * requested that these non-binding requests be included along with the - * license above. - */ - -/** @file patest_sine_channelmaps.c - @ingroup test_src - @brief Plays sine waves using sme simple channel maps. - Designed for use with CoreAudio, but should made to work with other APIs - @author Bjorn Roche <bjorn@xowave.com> - @author Ross Bencina <rossb@audiomulch.com> - @author Phil Burk <philburk@softsynth.com> -*/ - -#include <stdio.h> -#include <math.h> -#include "portaudio.h" - -#ifdef __APPLE__ -#include "pa_mac_core.h" -#endif - -#define NUM_SECONDS (5) -#define SAMPLE_RATE (44100) -#define FRAMES_PER_BUFFER (64) - -#ifndef M_PI -#define M_PI (3.14159265) -#endif - -#define TABLE_SIZE (200) -typedef struct -{ - float sine[TABLE_SIZE]; - int left_phase; - int right_phase; -} -paTestData; - -/* This routine will be called by the PortAudio engine when audio is needed. -** It may called at interrupt level on some machines so don't do anything -** that could mess up the system like calling malloc() or free(). -*/ -static int patestCallback( const void *inputBuffer, void *outputBuffer, - unsigned long framesPerBuffer, - const PaStreamCallbackTimeInfo* timeInfo, - PaStreamCallbackFlags statusFlags, - void *userData ) -{ - paTestData *data = (paTestData*)userData; - float *out = (float*)outputBuffer; - unsigned long i; - - (void) timeInfo; /* Prevent unused variable warnings. */ - (void) statusFlags; - (void) inputBuffer; - - for( i=0; i<framesPerBuffer; i++ ) - { - *out++ = data->sine[data->left_phase]; /* left */ - *out++ = data->sine[data->right_phase]; /* right */ - data->left_phase += 1; - if( data->left_phase >= TABLE_SIZE ) data->left_phase -= TABLE_SIZE; - data->right_phase += 3; /* higher pitch so we can distinguish left and right. */ - if( data->right_phase >= TABLE_SIZE ) data->right_phase -= TABLE_SIZE; - } - - return paContinue; -} - -/*******************************************************************/ -int main(void); -int main(void) -{ - PaStreamParameters outputParameters; - PaStream *stream; - PaError err; - paTestData data; -#ifdef __APPLE__ - PaMacCoreStreamInfo macInfo; - const SInt32 channelMap[4] = { -1, -1, 0, 1 }; -#endif - int i; - - - printf("PortAudio Test: output sine wave. SR = %d, BufSize = %d\n", SAMPLE_RATE, FRAMES_PER_BUFFER); - printf("Output will be mapped to channels 2 and 3 instead of 0 and 1.\n"); - - /* initialise sinusoidal wavetable */ - for( i=0; i<TABLE_SIZE; i++ ) - { - data.sine[i] = (float) sin( ((double)i/(double)TABLE_SIZE) * M_PI * 2. ); - } - data.left_phase = data.right_phase = 0; - - err = Pa_Initialize(); - if( err != paNoError ) goto error; - - /** setup host specific info */ -#ifdef __APPLE__ - PaMacCore_SetupStreamInfo( &macInfo, paMacCorePlayNice ); - PaMacCore_SetupChannelMap( &macInfo, channelMap, 4 ); - - for( i=0; i<4; ++i ) - printf( "channel %d name: %s\n", i, PaMacCore_GetChannelName( Pa_GetDefaultOutputDevice(), i, false ) ); -#else - printf( "Channel mapping not supported on this platform. Reverting to normal sine test.\n" ); -#endif - - outputParameters.device = Pa_GetDefaultOutputDevice(); /* default output device */ - if (outputParameters.device == paNoDevice) { - fprintf(stderr,"Error: No default output device.\n"); - goto error; - } - outputParameters.channelCount = 2; /* stereo output */ - outputParameters.sampleFormat = paFloat32; /* 32 bit floating point output */ - outputParameters.suggestedLatency = Pa_GetDeviceInfo( outputParameters.device )->defaultLowOutputLatency; -#ifdef __APPLE__ - outputParameters.hostApiSpecificStreamInfo = &macInfo; -#else - outputParameters.hostApiSpecificStreamInfo = NULL; -#endif - - err = Pa_OpenStream( - &stream, - NULL, /* no input */ - &outputParameters, - SAMPLE_RATE, - FRAMES_PER_BUFFER, - paClipOff, /* we won't output out of range samples so don't bother clipping them */ - patestCallback, - &data ); - if( err != paNoError ) goto error; - - err = Pa_StartStream( stream ); - if( err != paNoError ) goto error; - - printf("Play for %d seconds.\n", NUM_SECONDS ); - Pa_Sleep( NUM_SECONDS * 1000 ); - - err = Pa_StopStream( stream ); - if( err != paNoError ) goto error; - - err = Pa_CloseStream( stream ); - if( err != paNoError ) goto error; - - Pa_Terminate(); - printf("Test finished.\n"); - - return err; -error: - Pa_Terminate(); - fprintf( stderr, "An error occurred while using the portaudio stream\n" ); - fprintf( stderr, "Error number: %d\n", err ); - fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) ); - return err; -} diff --git a/portaudio/test/patest_sine_formats.c b/portaudio/test/patest_sine_formats.c deleted file mode 100644 index 3224d6e..0000000 --- a/portaudio/test/patest_sine_formats.c +++ /dev/null @@ -1,203 +0,0 @@ -/** @file patest_sine_formats.c - @ingroup test_src - @brief Play a sine wave for several seconds. Test various data formats. - @author Phil Burk -*/ -/* - * $Id$ - * - * This program uses the PortAudio Portable Audio Library. - * For more information see: http://www.portaudio.com - * Copyright (c) 1999-2000 Ross Bencina and Phil Burk - * - * Permission is hereby granted, free of charge, to any person obtaining - * a copy of this software and associated documentation files - * (the "Software"), to deal in the Software without restriction, - * including without limitation the rights to use, copy, modify, merge, - * publish, distribute, sublicense, and/or sell copies of the Software, - * and to permit persons to whom the Software is furnished to do so, - * subject to the following conditions: - * - * The above copyright notice and this permission notice shall be - * included in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. - * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF - * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION - * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - */ - -/* - * The text above constitutes the entire PortAudio license; however, - * the PortAudio community also makes the following non-binding requests: - * - * Any person wishing to distribute modifications to the Software is - * requested to send the modifications to the original developer so that - * they can be incorporated into the canonical version. It is also - * requested that these non-binding requests be included along with the - * license above. - */ -#include <stdio.h> -#include <math.h> -#include "portaudio.h" - -#define NUM_SECONDS (10) -#define SAMPLE_RATE (44100) -#define FRAMES_PER_BUFFER (512) -#define LEFT_FREQ (SAMPLE_RATE/256.0) /* So we hit 1.0 */ -#define RIGHT_FREQ (500.0) -#define AMPLITUDE (1.0) - -/* Select ONE format for testing. */ -#define TEST_UINT8 (0) -#define TEST_INT8 (0) -#define TEST_INT16 (1) -#define TEST_FLOAT32 (0) - -#if TEST_UINT8 -#define TEST_FORMAT paUInt8 -typedef unsigned char SAMPLE_t; -#define SAMPLE_ZERO (0x80) -#define DOUBLE_TO_SAMPLE(x) (SAMPLE_ZERO + (SAMPLE_t)(127.0 * (x))) -#define FORMAT_NAME "Unsigned 8 Bit" - -#elif TEST_INT8 -#define TEST_FORMAT paInt8 -typedef char SAMPLE_t; -#define SAMPLE_ZERO (0) -#define DOUBLE_TO_SAMPLE(x) (SAMPLE_ZERO + (SAMPLE_t)(127.0 * (x))) -#define FORMAT_NAME "Signed 8 Bit" - -#elif TEST_INT16 -#define TEST_FORMAT paInt16 -typedef short SAMPLE_t; -#define SAMPLE_ZERO (0) -#define DOUBLE_TO_SAMPLE(x) (SAMPLE_ZERO + (SAMPLE_t)(32767 * (x))) -#define FORMAT_NAME "Signed 16 Bit" - -#elif TEST_FLOAT32 -#define TEST_FORMAT paFloat32 -typedef float SAMPLE_t; -#define SAMPLE_ZERO (0.0) -#define DOUBLE_TO_SAMPLE(x) ((SAMPLE_t)(x)) -#define FORMAT_NAME "Float 32 Bit" -#endif - -#ifndef M_PI -#define M_PI (3.14159265) -#endif - - -typedef struct -{ - double left_phase; - double right_phase; - unsigned int framesToGo; -} -paTestData; -/* This routine will be called by the PortAudio engine when audio is needed. -** It may called at interrupt level on some machines so don't do anything -** that could mess up the system like calling malloc() or free(). -*/ -static int patestCallback( const void *inputBuffer, - void *outputBuffer, - unsigned long framesPerBuffer, - const PaStreamCallbackTimeInfo* timeInfo, - PaStreamCallbackFlags statusFlags, - void *userData ) -{ - paTestData *data = (paTestData*)userData; - SAMPLE_t *out = (SAMPLE_t *)outputBuffer; - int i; - int framesToCalc; - int finished = 0; - (void) inputBuffer; /* Prevent unused variable warnings. */ - - if( data->framesToGo < framesPerBuffer ) - { - framesToCalc = data->framesToGo; - data->framesToGo = 0; - finished = 1; - } - else - { - framesToCalc = framesPerBuffer; - data->framesToGo -= framesPerBuffer; - } - - for( i=0; i<framesToCalc; i++ ) - { - data->left_phase += (LEFT_FREQ / SAMPLE_RATE); - if( data->left_phase > 1.0) data->left_phase -= 1.0; - *out++ = DOUBLE_TO_SAMPLE( AMPLITUDE * sin( (data->left_phase * M_PI * 2. ))); - - data->right_phase += (RIGHT_FREQ / SAMPLE_RATE); - if( data->right_phase > 1.0) data->right_phase -= 1.0; - *out++ = DOUBLE_TO_SAMPLE( AMPLITUDE * sin( (data->right_phase * M_PI * 2. ))); - } - /* zero remainder of final buffer */ - for( ; i<(int)framesPerBuffer; i++ ) - { - *out++ = SAMPLE_ZERO; /* left */ - *out++ = SAMPLE_ZERO; /* right */ - } - return finished; -} -/*******************************************************************/ -int main(void); -int main(void) -{ - PaStream *stream; - PaStreamParameters outputParameters; - PaError err; - paTestData data; - int totalSamps; - - printf("PortAudio Test: output " FORMAT_NAME "\n"); - - data.left_phase = data.right_phase = 0.0; - data.framesToGo = totalSamps = NUM_SECONDS * SAMPLE_RATE; /* Play for a few seconds. */ - err = Pa_Initialize(); - if( err != paNoError ) goto error; - - - outputParameters.device = Pa_GetDefaultOutputDevice(); /* Default output device. */ - outputParameters.channelCount = 2; /* Stereo output */ - outputParameters.sampleFormat = TEST_FORMAT; /* Selected above. */ - outputParameters.suggestedLatency = Pa_GetDeviceInfo(outputParameters.device)->defaultLowOutputLatency; - outputParameters.hostApiSpecificStreamInfo = NULL; - err = Pa_OpenStream( &stream, - NULL, /* No input. */ - &outputParameters, /* As above. */ - SAMPLE_RATE, - FRAMES_PER_BUFFER, - paClipOff, /* we won't output out of range samples so don't bother clipping them */ - patestCallback, - &data ); - if( err != paNoError ) goto error; - - err = Pa_StartStream( stream ); - if( err != paNoError ) goto error; - - printf("Waiting %d seconds for sound to finish.\n", NUM_SECONDS ); - - while( ( err = Pa_IsStreamActive( stream ) ) == 1 ) Pa_Sleep(100); - if( err < 0 ) goto error; - - err = Pa_CloseStream( stream ); - if( err != paNoError ) goto error; - Pa_Terminate(); - - printf("PortAudio Test Finished: " FORMAT_NAME "\n"); - - return err; -error: - Pa_Terminate(); - fprintf( stderr, "An error occurred while using the portaudio stream\n" ); - fprintf( stderr, "Error number: %d\n", err ); - fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) ); - return err; -} diff --git a/portaudio/test/patest_sine_srate.c b/portaudio/test/patest_sine_srate.c deleted file mode 100644 index d4ce81b..0000000 --- a/portaudio/test/patest_sine_srate.c +++ /dev/null @@ -1,182 +0,0 @@ -/* - * $Id: patest_sine.c 1097 2006-08-26 08:27:53Z rossb $ - * - * This program uses the PortAudio Portable Audio Library. - * For more information see: http://www.portaudio.com/ - * Copyright (c) 1999-2000 Ross Bencina and Phil Burk - * - * Permission is hereby granted, free of charge, to any person obtaining - * a copy of this software and associated documentation files - * (the "Software"), to deal in the Software without restriction, - * including without limitation the rights to use, copy, modify, merge, - * publish, distribute, sublicense, and/or sell copies of the Software, - * and to permit persons to whom the Software is furnished to do so, - * subject to the following conditions: - * - * The above copyright notice and this permission notice shall be - * included in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. - * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF - * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION - * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - */ - -/* - * The text above constitutes the entire PortAudio license; however, - * the PortAudio community also makes the following non-binding requests: - * - * Any person wishing to distribute modifications to the Software is - * requested to send the modifications to the original developer so that - * they can be incorporated into the canonical version. It is also - * requested that these non-binding requests be included along with the - * license above. - */ - -/** @file patest_sine_srate_mac.c - @ingroup test_src - @brief Plays sine waves at 44100 and 48000, - and forces the hardware to change if this is a mac. - Designed for use with CoreAudio. - @author Bjorn Roche <bjorn@xowave.com> - @author Ross Bencina <rossb@audiomulch.com> - @author Phil Burk <philburk@softsynth.com> -*/ - -#include <stdio.h> -#include <math.h> -#include "portaudio.h" - -#ifdef __APPLE__ -#include "pa_mac_core.h" -#endif - -#define NUM_SECONDS (5) -#define SAMPLE_RATE1 (44100) -#define SAMPLE_RATE2 (48000) -#define FRAMES_PER_BUFFER (64) - -#ifndef M_PI -#define M_PI (3.14159265) -#endif - -#define TABLE_SIZE (200) -typedef struct -{ - float sine[TABLE_SIZE]; - int left_phase; - int right_phase; -} -paTestData; - -/* This routine will be called by the PortAudio engine when audio is needed. -** It may called at interrupt level on some machines so don't do anything -** that could mess up the system like calling malloc() or free(). -*/ -static int patestCallback( const void *inputBuffer, void *outputBuffer, - unsigned long framesPerBuffer, - const PaStreamCallbackTimeInfo* timeInfo, - PaStreamCallbackFlags statusFlags, - void *userData ) -{ - paTestData *data = (paTestData*)userData; - float *out = (float*)outputBuffer; - unsigned long i; - - (void) timeInfo; /* Prevent unused variable warnings. */ - (void) statusFlags; - (void) inputBuffer; - - for( i=0; i<framesPerBuffer; i++ ) - { - *out++ = data->sine[data->left_phase]; /* left */ - *out++ = data->sine[data->right_phase]; /* right */ - data->left_phase += 1; - if( data->left_phase >= TABLE_SIZE ) data->left_phase -= TABLE_SIZE; - data->right_phase += 3; /* higher pitch so we can distinguish left and right. */ - if( data->right_phase >= TABLE_SIZE ) data->right_phase -= TABLE_SIZE; - } - - return paContinue; -} - -/*******************************************************************/ -int main(void); -int main(void) -{ - PaStreamParameters outputParameters; - PaStream *stream; - PaError err; - paTestData data; -#ifdef __APPLE__ - PaMacCoreStreamInfo macInfo; -#endif - int i; - - /* initialise sinusoidal wavetable */ - for( i=0; i<TABLE_SIZE; i++ ) - { - data.sine[i] = (float) sin( ((double)i/(double)TABLE_SIZE) * M_PI * 2. ); - } - data.left_phase = data.right_phase = 0; - - err = Pa_Initialize(); - if( err != paNoError ) goto error; - - for( i=0; i<2; ++i ) { - const float sr = i ? SAMPLE_RATE2 : SAMPLE_RATE1; - printf("PortAudio Test: output sine wave. SR = %g, BufSize = %d\n", sr, FRAMES_PER_BUFFER); - outputParameters.device = Pa_GetDefaultOutputDevice(); /* default output device */ - if (outputParameters.device == paNoDevice) { - fprintf(stderr,"Error: No default output device.\n"); - goto error; - } - outputParameters.channelCount = 2; /* stereo output */ - outputParameters.sampleFormat = paFloat32; /* 32 bit floating point output */ - outputParameters.suggestedLatency = Pa_GetDeviceInfo( outputParameters.device )->defaultLowOutputLatency; - /** setup host specific info */ -#ifdef __APPLE__ - PaMacCore_SetupStreamInfo( &macInfo, paMacCorePro ); - outputParameters.hostApiSpecificStreamInfo = &macInfo; -#else - printf( "Hardware SR changing not being tested on this platform.\n" ); - outputParameters.hostApiSpecificStreamInfo = NULL; -#endif - err = Pa_OpenStream( - &stream, - NULL, /* no input */ - &outputParameters, - sr, - FRAMES_PER_BUFFER, - paClipOff, /* we won't output out of range samples so don't bother clipping them */ - patestCallback, - &data ); - if( err != paNoError ) goto error; - - err = Pa_StartStream( stream ); - if( err != paNoError ) goto error; - - printf("Play for %d seconds.\n", NUM_SECONDS ); - Pa_Sleep( NUM_SECONDS * 1000 ); - - err = Pa_StopStream( stream ); - if( err != paNoError ) goto error; - - err = Pa_CloseStream( stream ); - if( err != paNoError ) goto error; - } - - Pa_Terminate(); - printf("Test finished.\n"); - - return err; -error: - Pa_Terminate(); - fprintf( stderr, "An error occurred while using the portaudio stream\n" ); - fprintf( stderr, "Error number: %d\n", err ); - fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) ); - return err; -} diff --git a/portaudio/test/patest_sine_time.c b/portaudio/test/patest_sine_time.c deleted file mode 100644 index c1d6097..0000000 --- a/portaudio/test/patest_sine_time.c +++ /dev/null @@ -1,219 +0,0 @@ -/** @file patest_sine_time.c - @ingroup test_src - @brief Play a sine wave for several seconds, pausing in the middle. - Uses the Pa_GetStreamTime() call. - @author Ross Bencina <rossb@audiomulch.com> - @author Phil Burk <philburk@softsynth.com> -*/ -/* - * $Id$ - * - * This program uses the PortAudio Portable Audio Library. - * For more information see: http://www.portaudio.com - * Copyright (c) 1999-2000 Ross Bencina and Phil Burk - * - * Permission is hereby granted, free of charge, to any person obtaining - * a copy of this software and associated documentation files - * (the "Software"), to deal in the Software without restriction, - * including without limitation the rights to use, copy, modify, merge, - * publish, distribute, sublicense, and/or sell copies of the Software, - * and to permit persons to whom the Software is furnished to do so, - * subject to the following conditions: - * - * The above copyright notice and this permission notice shall be - * included in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. - * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF - * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION - * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - */ - -/* - * The text above constitutes the entire PortAudio license; however, - * the PortAudio community also makes the following non-binding requests: - * - * Any person wishing to distribute modifications to the Software is - * requested to send the modifications to the original developer so that - * they can be incorporated into the canonical version. It is also - * requested that these non-binding requests be included along with the - * license above. - */ -#include <stdio.h> -#include <math.h> - -#include "portaudio.h" -#include "pa_util.h" - -#define NUM_SECONDS (8) -#define SAMPLE_RATE (44100) -#define FRAMES_PER_BUFFER (64) - -#ifndef M_PI -#define M_PI (3.14159265) -#endif -#define TWOPI (M_PI * 2.0) - -#define TABLE_SIZE (200) - -typedef struct -{ - double left_phase; - double right_phase; - volatile PaTime outTime; -} -paTestData; - -/* This routine will be called by the PortAudio engine when audio is needed. -** It may called at interrupt level on some machines so don't do anything -** that could mess up the system like calling malloc() or free(). -*/ -static int patestCallback( const void *inputBuffer, void *outputBuffer, - unsigned long framesPerBuffer, - const PaStreamCallbackTimeInfo* timeInfo, - PaStreamCallbackFlags statusFlags, - void *userData ) -{ - paTestData *data = (paTestData*)userData; - float *out = (float*)outputBuffer; - unsigned int i; - - double left_phaseInc = 0.02; - double right_phaseInc = 0.06; - - double left_phase = data->left_phase; - double right_phase = data->right_phase; - - (void) statusFlags; /* Prevent unused variable warnings. */ - (void) inputBuffer; - - data->outTime = timeInfo->outputBufferDacTime; - - for( i=0; i<framesPerBuffer; i++ ) - { - left_phase += left_phaseInc; - if( left_phase > TWOPI ) left_phase -= TWOPI; - *out++ = (float) sin( left_phase ); - - right_phase += right_phaseInc; - if( right_phase > TWOPI ) right_phase -= TWOPI; - *out++ = (float) sin( right_phase ); - } - - data->left_phase = left_phase; - data->right_phase = right_phase; - - return paContinue; -} - -/*******************************************************************/ -static void ReportStreamTime( PaStream *stream, paTestData *data ); -static void ReportStreamTime( PaStream *stream, paTestData *data ) -{ - PaTime streamTime, latency, outTime; - - streamTime = Pa_GetStreamTime( stream ); - outTime = data->outTime; - if( outTime < 0.0 ) - { - printf("Stream time = %8.1f\n", streamTime ); - } - else - { - latency = outTime - streamTime; - printf("Stream time = %8.4f, outTime = %8.4f, latency = %8.4f\n", - streamTime, outTime, latency ); - } - fflush(stdout); -} - -/*******************************************************************/ -int main(void); -int main(void) -{ - PaStreamParameters outputParameters; - PaStream *stream; - PaError err; - paTestData data; - PaTime startTime; - - printf("PortAudio Test: output sine wave. SR = %d, BufSize = %d\n", SAMPLE_RATE, FRAMES_PER_BUFFER); - - data.left_phase = data.right_phase = 0; - - err = Pa_Initialize(); - if( err != paNoError ) goto error; - - outputParameters.device = Pa_GetDefaultOutputDevice(); /* default output device */ - if (outputParameters.device == paNoDevice) { - fprintf(stderr,"Error: No default output device.\n"); - goto error; - } - outputParameters.channelCount = 2; /* stereo output */ - outputParameters.sampleFormat = paFloat32; /* 32 bit floating point output */ - outputParameters.suggestedLatency = Pa_GetDeviceInfo( outputParameters.device )->defaultLowOutputLatency; - outputParameters.hostApiSpecificStreamInfo = NULL; - - err = Pa_OpenStream( - &stream, - NULL, /* no input */ - &outputParameters, - SAMPLE_RATE, - FRAMES_PER_BUFFER, - paClipOff, /* we won't output out of range samples so don't bother clipping them */ - patestCallback, - &data ); - if( err != paNoError ) goto error; - - /* Watch until sound is halfway finished. */ - printf("Play for %d seconds.\n", NUM_SECONDS/2 ); fflush(stdout); - - data.outTime = -1.0; /* mark time for callback as undefined */ - err = Pa_StartStream( stream ); - if( err != paNoError ) goto error; - - startTime = Pa_GetStreamTime( stream ); - - do - { - ReportStreamTime( stream, &data ); - Pa_Sleep(100); - } while( (Pa_GetStreamTime( stream ) - startTime) < (NUM_SECONDS/2) ); - - /* Stop sound for 2 seconds. */ - err = Pa_StopStream( stream ); - if( err != paNoError ) goto error; - - printf("Pause for 2 seconds.\n"); fflush(stdout); - Pa_Sleep( 2000 ); - - data.outTime = -1.0; /* mark time for callback as undefined */ - err = Pa_StartStream( stream ); - if( err != paNoError ) goto error; - - startTime = Pa_GetStreamTime( stream ); - - printf("Play until sound is finished.\n"); fflush(stdout); - do - { - ReportStreamTime( stream, &data ); - Pa_Sleep(100); - } while( (Pa_GetStreamTime( stream ) - startTime) < (NUM_SECONDS/2) ); - - err = Pa_CloseStream( stream ); - if( err != paNoError ) goto error; - - Pa_Terminate(); - printf("Test finished.\n"); - return err; - -error: - Pa_Terminate(); - fprintf( stderr, "An error occurred while using the portaudio stream\n" ); - fprintf( stderr, "Error number: %d\n", err ); - fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) ); - return err; -} diff --git a/portaudio/test/patest_start_stop.c b/portaudio/test/patest_start_stop.c deleted file mode 100644 index 2470b26..0000000 --- a/portaudio/test/patest_start_stop.c +++ /dev/null @@ -1,174 +0,0 @@ -/** @file patest_start_stop.c - @ingroup test_src - @brief Play a sine wave for several seconds. Start and stop the stream multiple times. - - @author Ross Bencina <rossb@audiomulch.com> - @author Phil Burk <philburk@softsynth.com> -*/ -/* - * $Id$ - * - * This program uses the PortAudio Portable Audio Library. - * For more information see: http://www.portaudio.com/ - * Copyright (c) 1999-2000 Ross Bencina and Phil Burk - * - * Permission is hereby granted, free of charge, to any person obtaining - * a copy of this software and associated documentation files - * (the "Software"), to deal in the Software without restriction, - * including without limitation the rights to use, copy, modify, merge, - * publish, distribute, sublicense, and/or sell copies of the Software, - * and to permit persons to whom the Software is furnished to do so, - * subject to the following conditions: - * - * The above copyright notice and this permission notice shall be - * included in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. - * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF - * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION - * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - */ - -/* - * The text above constitutes the entire PortAudio license; however, - * the PortAudio community also makes the following non-binding requests: - * - * Any person wishing to distribute modifications to the Software is - * requested to send the modifications to the original developer so that - * they can be incorporated into the canonical version. It is also - * requested that these non-binding requests be included along with the - * license above. - */ -#include <stdio.h> -#include <math.h> -#include "portaudio.h" - -#define OUTPUT_DEVICE Pa_GetDefaultOutputDevice() /* default output device */ - -#define NUM_SECONDS (3) -#define NUM_LOOPS (4) -#define SAMPLE_RATE (44100) -#define FRAMES_PER_BUFFER (400) - -#ifndef M_PI -#define M_PI (3.14159265) -#endif - -#define TABLE_SIZE (200) -typedef struct -{ - float sine[TABLE_SIZE]; - int left_phase; - int right_phase; -} -paTestData; - -/* This routine will be called by the PortAudio engine when audio is needed. -** It may called at interrupt level on some machines so don't do anything -** that could mess up the system like calling malloc() or free(). -*/ -static int patestCallback( const void *inputBuffer, void *outputBuffer, - unsigned long framesPerBuffer, - const PaStreamCallbackTimeInfo* timeInfo, - PaStreamCallbackFlags statusFlags, - void *userData ) -{ - paTestData *data = (paTestData*)userData; - float *out = (float*)outputBuffer; - unsigned long i; - - (void) timeInfo; /* Prevent unused variable warnings. */ - (void) statusFlags; - (void) inputBuffer; - - for( i=0; i<framesPerBuffer; i++ ) - { - *out++ = data->sine[data->left_phase]; /* left */ - *out++ = data->sine[data->right_phase]; /* right */ - data->left_phase += 1; - if( data->left_phase >= TABLE_SIZE ) data->left_phase -= TABLE_SIZE; - data->right_phase += 3; /* higher pitch so we can distinguish left and right. */ - if( data->right_phase >= TABLE_SIZE ) data->right_phase -= TABLE_SIZE; - } - - return paContinue; -} - -/*******************************************************************/ -int main(void); -int main(void) -{ - PaStreamParameters outputParameters; - PaStream *stream; - PaError err; - paTestData data; - int i; - - - printf("PortAudio Test: output sine wave. SR = %d, BufSize = %d\n", SAMPLE_RATE, FRAMES_PER_BUFFER); - - /* initialise sinusoidal wavetable */ - for( i=0; i<TABLE_SIZE; i++ ) - { - data.sine[i] = (float) sin( ((double)i/(double)TABLE_SIZE) * M_PI * 2. ); - } - data.left_phase = data.right_phase = 0; - - err = Pa_Initialize(); - if( err != paNoError ) goto error; - - outputParameters.device = OUTPUT_DEVICE; - if (outputParameters.device == paNoDevice) { - fprintf(stderr,"Error: No default output device.\n"); - goto error; - } - outputParameters.channelCount = 2; /* stereo output */ - outputParameters.sampleFormat = paFloat32; /* 32 bit floating point output */ - outputParameters.suggestedLatency = Pa_GetDeviceInfo( outputParameters.device )->defaultLowOutputLatency; - outputParameters.hostApiSpecificStreamInfo = NULL; - - err = Pa_OpenStream( - &stream, - NULL, /* no input */ - &outputParameters, - SAMPLE_RATE, - FRAMES_PER_BUFFER, - paClipOff, /* we won't output out of range samples so don't bother clipping them */ - patestCallback, - &data ); - if( err != paNoError ) goto error; - - for( i=0; i<NUM_LOOPS; i++ ) - { - data.left_phase = data.right_phase = 0; - - err = Pa_StartStream( stream ); - if( err != paNoError ) goto error; - - printf("Play for %d seconds.\n", NUM_SECONDS ); - Pa_Sleep( NUM_SECONDS * 1000 ); - - err = Pa_StopStream( stream ); - if( err != paNoError ) goto error; - - printf("Stopped.\n" ); - Pa_Sleep( 1000 ); - } - - err = Pa_CloseStream( stream ); - if( err != paNoError ) goto error; - - Pa_Terminate(); - printf("Test finished.\n"); - - return err; -error: - Pa_Terminate(); - fprintf( stderr, "An error occurred while using the portaudio stream\n" ); - fprintf( stderr, "Error number: %d\n", err ); - fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) ); - return err; -} diff --git a/portaudio/test/patest_stop.c b/portaudio/test/patest_stop.c deleted file mode 100644 index 164ad4e..0000000 --- a/portaudio/test/patest_stop.c +++ /dev/null @@ -1,324 +0,0 @@ -/** @file patest_stop.c - @ingroup test_src - @brief Test different ways of stopping audio. - - Test the three ways of stopping audio: - - calling Pa_StopStream(), - - calling Pa_AbortStream(), - - and returning a 1 from the callback function. - - A long latency is set up so that you can hear the difference. - Then a simple 8 note sequence is repeated twice. - The program will print what you should hear. - - @author Phil Burk <philburk@softsynth.com> -*/ -/* - * $Id$ - * - * This program uses the PortAudio Portable Audio Library. - * For more information see: http://www.portaudio.com - * Copyright (c) 1999-2000 Ross Bencina and Phil Burk - * - * Permission is hereby granted, free of charge, to any person obtaining - * a copy of this software and associated documentation files - * (the "Software"), to deal in the Software without restriction, - * including without limitation the rights to use, copy, modify, merge, - * publish, distribute, sublicense, and/or sell copies of the Software, - * and to permit persons to whom the Software is furnished to do so, - * subject to the following conditions: - * - * The above copyright notice and this permission notice shall be - * included in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. - * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF - * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION - * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - */ - -/* - * The text above constitutes the entire PortAudio license; however, - * the PortAudio community also makes the following non-binding requests: - * - * Any person wishing to distribute modifications to the Software is - * requested to send the modifications to the original developer so that - * they can be incorporated into the canonical version. It is also - * requested that these non-binding requests be included along with the - * license above. - */ -#include <stdio.h> -#include <math.h> -#include "portaudio.h" - -#define OUTPUT_DEVICE (Pa_GetDefaultOutputDevice()) -#define SLEEP_DUR (200) -#define SAMPLE_RATE (44100) -#define FRAMES_PER_BUFFER (256) -#define LATENCY_SECONDS (3.f) -#define FRAMES_PER_NOTE (SAMPLE_RATE/2) -#define MAX_REPEATS (2) -#define FUNDAMENTAL (400.0f / SAMPLE_RATE) -#define NOTE_0 (FUNDAMENTAL * 1.0f / 1.0f) -#define NOTE_1 (FUNDAMENTAL * 5.0f / 4.0f) -#define NOTE_2 (FUNDAMENTAL * 4.0f / 3.0f) -#define NOTE_3 (FUNDAMENTAL * 3.0f / 2.0f) -#define NOTE_4 (FUNDAMENTAL * 2.0f / 1.0f) -#define MODE_FINISH (0) -#define MODE_STOP (1) -#define MODE_ABORT (2) -#ifndef M_PI -#define M_PI (3.14159265) -#endif -#define TABLE_SIZE (400) - -typedef struct -{ - float waveform[TABLE_SIZE + 1]; /* Add one for guard point for interpolation. */ - float phase_increment; - float phase; - float *tune; - int notesPerTune; - int frameCounter; - int noteCounter; - int repeatCounter; - PaTime outTime; - int stopMode; - int done; -} -paTestData; - -/************* Prototypes *****************************/ -int TestStopMode( paTestData *data ); -float LookupWaveform( paTestData *data, float phase ); - -/****************************************************** - * Convert phase between 0.0 and 1.0 to waveform value - * using linear interpolation. - */ -float LookupWaveform( paTestData *data, float phase ) -{ - float fIndex = phase*TABLE_SIZE; - int index = (int) fIndex; - float fract = fIndex - index; - float lo = data->waveform[index]; - float hi = data->waveform[index+1]; - float val = lo + fract*(hi-lo); - return val; -} - -/* This routine will be called by the PortAudio engine when audio is needed. -** It may called at interrupt level on some machines so don't do anything -** that could mess up the system like calling malloc() or free(). -*/ -static int patestCallback( const void *inputBuffer, void *outputBuffer, - unsigned long framesPerBuffer, - const PaStreamCallbackTimeInfo* timeInfo, - PaStreamCallbackFlags statusFlags, - void *userData ) -{ - paTestData *data = (paTestData*)userData; - float *out = (float*)outputBuffer; - float value; - unsigned int i = 0; - int finished = paContinue; - - (void) inputBuffer; /* Prevent unused variable warnings. */ - (void) timeInfo; - (void) statusFlags; - - - /* data->outTime = outTime; */ - - if( !data->done ) - { - for( i=0; i<framesPerBuffer; i++ ) - { - /* Are we done with this note? */ - if( data->frameCounter >= FRAMES_PER_NOTE ) - { - data->noteCounter += 1; - data->frameCounter = 0; - /* Are we done with this tune? */ - if( data->noteCounter >= data->notesPerTune ) - { - data->noteCounter = 0; - data->repeatCounter += 1; - /* Are we totally done? */ - if( data->repeatCounter >= MAX_REPEATS ) - { - data->done = 1; - if( data->stopMode == MODE_FINISH ) - { - finished = paComplete; - break; - } - } - } - data->phase_increment = data->tune[data->noteCounter]; - } - value = LookupWaveform(data, data->phase); - *out++ = value; /* left */ - *out++ = value; /* right */ - data->phase += data->phase_increment; - if( data->phase >= 1.0f ) data->phase -= 1.0f; - - data->frameCounter += 1; - } - } - /* zero remainder of final buffer */ - for( ; i<framesPerBuffer; i++ ) - { - *out++ = 0; /* left */ - *out++ = 0; /* right */ - } - return finished; -} -/*******************************************************************/ -int main(void); -int main(void) -{ - paTestData data; - int i; - float simpleTune[] = { NOTE_0, NOTE_1, NOTE_2, NOTE_3, NOTE_4, NOTE_3, NOTE_2, NOTE_1 }; - - printf("PortAudio Test: play song and test stopping. ask for %f seconds latency\n", LATENCY_SECONDS ); - /* initialise sinusoidal wavetable */ - for( i=0; i<TABLE_SIZE; i++ ) - { - data.waveform[i] = (float) ( - (0.2 * sin( ((double)i/(double)TABLE_SIZE) * M_PI * 2. )) + - (0.2 * sin( ((double)(3*i)/(double)TABLE_SIZE) * M_PI * 2. )) + - (0.1 * sin( ((double)(5*i)/(double)TABLE_SIZE) * M_PI * 2. )) - ); - } - data.waveform[TABLE_SIZE] = data.waveform[0]; /* Set guard point. */ - data.tune = &simpleTune[0]; - data.notesPerTune = sizeof(simpleTune) / sizeof(float); - - printf("Test MODE_FINISH - callback returns 1.\n"); - printf("Should hear entire %d note tune repeated twice.\n", data.notesPerTune); - data.stopMode = MODE_FINISH; - if( TestStopMode( &data ) != paNoError ) - { - printf("Test of MODE_FINISH failed!\n"); - goto error; - } - - printf("Test MODE_STOP - stop when song is done.\n"); - printf("Should hear entire %d note tune repeated twice.\n", data.notesPerTune); - data.stopMode = MODE_STOP; - if( TestStopMode( &data ) != paNoError ) - { - printf("Test of MODE_STOP failed!\n"); - goto error; - } - - printf("Test MODE_ABORT - abort immediately.\n"); - printf("Should hear last repetition cut short by %f seconds.\n", LATENCY_SECONDS); - data.stopMode = MODE_ABORT; - if( TestStopMode( &data ) != paNoError ) - { - printf("Test of MODE_ABORT failed!\n"); - goto error; - } - - return 0; - -error: - return 1; -} - -int TestStopMode( paTestData *data ) -{ - PaStreamParameters outputParameters; - PaStream *stream; - PaError err; - - data->done = 0; - data->phase = 0.0; - data->frameCounter = 0; - data->noteCounter = 0; - data->repeatCounter = 0; - data->phase_increment = data->tune[data->noteCounter]; - - err = Pa_Initialize(); - if( err != paNoError ) goto error; - - outputParameters.device = OUTPUT_DEVICE; - if (outputParameters.device == paNoDevice) { - fprintf(stderr,"Error: No default output device.\n"); - goto error; - } - outputParameters.channelCount = 2; /* stereo output */ - outputParameters.sampleFormat = paFloat32; /* 32 bit floating point output */ - outputParameters.suggestedLatency = LATENCY_SECONDS; - outputParameters.hostApiSpecificStreamInfo = NULL; - - err = Pa_OpenStream( - &stream, - NULL, /* no input */ - &outputParameters, - SAMPLE_RATE, - FRAMES_PER_BUFFER, /* frames per buffer */ - paClipOff, /* we won't output out of range samples so don't bother clipping them */ - patestCallback, - data ); - if( err != paNoError ) goto error; - - err = Pa_StartStream( stream ); - if( err != paNoError ) goto error; - - if( data->stopMode == MODE_FINISH ) - { - while( ( err = Pa_IsStreamActive( stream ) ) == 1 ) - { - /*printf("outTime = %g, note# = %d, repeat# = %d\n", data->outTime, - data->noteCounter, data->repeatCounter ); - fflush(stdout); */ - Pa_Sleep( SLEEP_DUR ); - } - if( err < 0 ) goto error; - } - else - { - while( data->repeatCounter < MAX_REPEATS ) - { - /*printf("outTime = %g, note# = %d, repeat# = %d\n", data->outTime, - data->noteCounter, data->repeatCounter ); - fflush(stdout); */ - Pa_Sleep( SLEEP_DUR ); - } - } - - if( data->stopMode == MODE_ABORT ) - { - printf("Call Pa_AbortStream()\n"); - err = Pa_AbortStream( stream ); - } - else - { - printf("Call Pa_StopStream()\n"); - err = Pa_StopStream( stream ); - } - if( err != paNoError ) goto error; - - printf("Call Pa_CloseStream()\n"); fflush(stdout); - err = Pa_CloseStream( stream ); - if( err != paNoError ) goto error; - - Pa_Terminate(); - printf("Test finished.\n"); - - return err; - -error: - Pa_Terminate(); - fprintf( stderr, "An error occurred while using the portaudio stream\n" ); - fprintf( stderr, "Error number: %d\n", err ); - fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) ); - return err; -} diff --git a/portaudio/test/patest_stop_playout.c b/portaudio/test/patest_stop_playout.c deleted file mode 100644 index 7e6932e..0000000 --- a/portaudio/test/patest_stop_playout.c +++ /dev/null @@ -1,478 +0,0 @@ -/** @file patest_stop_playout.c - @ingroup test_src - @brief Test whether all queued samples are played when Pa_StopStream() - is used with a callback or read/write stream, or when the callback - returns paComplete. - @author Ross Bencina <rossb@audiomulch.com> -*/ -/* - * $Id$ - * - * This program uses the PortAudio Portable Audio Library. - * For more information see: http://www.portaudio.com/ - * Copyright (c) 1999-2004 Ross Bencina and Phil Burk - * - * Permission is hereby granted, free of charge, to any person obtaining - * a copy of this software and associated documentation files - * (the "Software"), to deal in the Software without restriction, - * including without limitation the rights to use, copy, modify, merge, - * publish, distribute, sublicense, and/or sell copies of the Software, - * and to permit persons to whom the Software is furnished to do so, - * subject to the following conditions: - * - * The above copyright notice and this permission notice shall be - * included in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. - * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF - * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION - * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - */ - -/* - * The text above constitutes the entire PortAudio license; however, - * the PortAudio community also makes the following non-binding requests: - * - * Any person wishing to distribute modifications to the Software is - * requested to send the modifications to the original developer so that - * they can be incorporated into the canonical version. It is also - * requested that these non-binding requests be included along with the - * license above. - */ -#include <stdio.h> -#include <math.h> -#include "portaudio.h" - -#define SAMPLE_RATE (44100) -#define FRAMES_PER_BUFFER (1024) - -#define TONE_SECONDS (1) /* long tone */ -#define TONE_FADE_SECONDS (.04) /* fades at start and end of long tone */ -#define GAP_SECONDS (.25) /* gap between long tone and blip */ -#define BLIP_SECONDS (.035) /* short blip */ - -#define NUM_REPEATS (3) - -#ifndef M_PI -#define M_PI (3.14159265) -#endif - -#define TABLE_SIZE (2048) -typedef struct -{ - float sine[TABLE_SIZE+1]; - - int repeatCount; - - double phase; - double lowIncrement, highIncrement; - - int gap1Length, toneLength, toneFadesLength, gap2Length, blipLength; - int gap1Countdown, toneCountdown, gap2Countdown, blipCountdown; -} -TestData; - - -static void RetriggerTestSignalGenerator( TestData *data ) -{ - data->phase = 0.; - data->gap1Countdown = data->gap1Length; - data->toneCountdown = data->toneLength; - data->gap2Countdown = data->gap2Length; - data->blipCountdown = data->blipLength; -} - - -static void ResetTestSignalGenerator( TestData *data ) -{ - data->repeatCount = 0; - RetriggerTestSignalGenerator( data ); -} - - -static void InitTestSignalGenerator( TestData *data ) -{ - int signalLengthModBufferLength, i; - - /* initialise sinusoidal wavetable */ - for( i=0; i<TABLE_SIZE; i++ ) - { - data->sine[i] = (float) sin( ((double)i/(double)TABLE_SIZE) * M_PI * 2. ); - } - data->sine[TABLE_SIZE] = data->sine[0]; /* guard point for linear interpolation */ - - - - data->lowIncrement = (330. / SAMPLE_RATE) * TABLE_SIZE; - data->highIncrement = (1760. / SAMPLE_RATE) * TABLE_SIZE; - - data->gap1Length = GAP_SECONDS * SAMPLE_RATE; - data->toneLength = TONE_SECONDS * SAMPLE_RATE; - data->toneFadesLength = TONE_FADE_SECONDS * SAMPLE_RATE; - data->gap2Length = GAP_SECONDS * SAMPLE_RATE; - data->blipLength = BLIP_SECONDS * SAMPLE_RATE; - - /* adjust signal length to be a multiple of the buffer length */ - signalLengthModBufferLength = (data->gap1Length + data->toneLength + data->gap2Length + data->blipLength) % FRAMES_PER_BUFFER; - if( signalLengthModBufferLength > 0 ) - data->toneLength += signalLengthModBufferLength; - - ResetTestSignalGenerator( data ); -} - - -#define MIN( a, b ) (((a)<(b))?(a):(b)) - -static void GenerateTestSignal( TestData *data, float *stereo, int frameCount ) -{ - int framesGenerated = 0; - float output; - long index; - float fraction; - int count, i; - - while( framesGenerated < frameCount && data->repeatCount < NUM_REPEATS ) - { - if( framesGenerated < frameCount && data->gap1Countdown > 0 ){ - count = MIN( frameCount - framesGenerated, data->gap1Countdown ); - for( i=0; i < count; ++i ) - { - *stereo++ = 0.f; - *stereo++ = 0.f; - } - - data->gap1Countdown -= count; - framesGenerated += count; - } - - if( framesGenerated < frameCount && data->toneCountdown > 0 ){ - count = MIN( frameCount - framesGenerated, data->toneCountdown ); - for( i=0; i < count; ++i ) - { - /* tone with data->lowIncrement phase increment */ - index = (long)data->phase; - fraction = data->phase - index; - output = data->sine[ index ] + (data->sine[ index + 1 ] - data->sine[ index ]) * fraction; - - data->phase += data->lowIncrement; - while( data->phase >= TABLE_SIZE ) - data->phase -= TABLE_SIZE; - - /* apply fade to ends */ - - if( data->toneCountdown < data->toneFadesLength ) - { - /* cosine-bell fade out at end */ - output *= (-cos(((float)data->toneCountdown / (float)data->toneFadesLength) * M_PI) + 1.) * .5; - } - else if( data->toneCountdown > data->toneLength - data->toneFadesLength ) - { - /* cosine-bell fade in at start */ - output *= (cos(((float)(data->toneCountdown - (data->toneLength - data->toneFadesLength)) / (float)data->toneFadesLength) * M_PI) + 1.) * .5; - } - - output *= .5; /* play tone half as loud as blip */ - - *stereo++ = output; - *stereo++ = output; - - data->toneCountdown--; - } - - framesGenerated += count; - } - - if( framesGenerated < frameCount && data->gap2Countdown > 0 ){ - count = MIN( frameCount - framesGenerated, data->gap2Countdown ); - for( i=0; i < count; ++i ) - { - *stereo++ = 0.f; - *stereo++ = 0.f; - } - - data->gap2Countdown -= count; - framesGenerated += count; - } - - if( framesGenerated < frameCount && data->blipCountdown > 0 ){ - count = MIN( frameCount - framesGenerated, data->blipCountdown ); - for( i=0; i < count; ++i ) - { - /* tone with data->highIncrement phase increment */ - index = (long)data->phase; - fraction = data->phase - index; - output = data->sine[ index ] + (data->sine[ index + 1 ] - data->sine[ index ]) * fraction; - - data->phase += data->highIncrement; - while( data->phase >= TABLE_SIZE ) - data->phase -= TABLE_SIZE; - - /* cosine-bell envelope over whole blip */ - output *= (-cos( ((float)data->blipCountdown / (float)data->blipLength) * 2. * M_PI) + 1.) * .5; - - *stereo++ = output; - *stereo++ = output; - - data->blipCountdown--; - } - - framesGenerated += count; - } - - - if( data->blipCountdown == 0 ) - { - RetriggerTestSignalGenerator( data ); - data->repeatCount++; - } - } - - if( framesGenerated < frameCount ) - { - count = frameCount - framesGenerated; - for( i=0; i < count; ++i ) - { - *stereo++ = 0.f; - *stereo++ = 0.f; - } - } -} - - -static int IsTestSignalFinished( TestData *data ) -{ - if( data->repeatCount >= NUM_REPEATS ) - return 1; - else - return 0; -} - - -static int TestCallback1( const void *inputBuffer, void *outputBuffer, - unsigned long frameCount, - const PaStreamCallbackTimeInfo* timeInfo, - PaStreamCallbackFlags statusFlags, - void *userData ) -{ - (void) inputBuffer; /* Prevent unused variable warnings. */ - (void) timeInfo; - (void) statusFlags; - - GenerateTestSignal( (TestData*)userData, (float*)outputBuffer, frameCount ); - - if( IsTestSignalFinished( (TestData*)userData ) ) - return paComplete; - else - return paContinue; -} - - -volatile int testCallback2Finished = 0; - -static int TestCallback2( const void *inputBuffer, void *outputBuffer, - unsigned long frameCount, - const PaStreamCallbackTimeInfo* timeInfo, - PaStreamCallbackFlags statusFlags, - void *userData ) -{ - (void) inputBuffer; /* Prevent unused variable warnings. */ - (void) timeInfo; - (void) statusFlags; - - GenerateTestSignal( (TestData*)userData, (float*)outputBuffer, frameCount ); - - if( IsTestSignalFinished( (TestData*)userData ) ) - testCallback2Finished = 1; - - return paContinue; -} - -/*******************************************************************/ -int main(void); -int main(void) -{ - PaStreamParameters outputParameters; - PaStream *stream; - PaError err; - TestData data; - float writeBuffer[ FRAMES_PER_BUFFER * 2 ]; - - printf("PortAudio Test: check that stopping stream plays out all queued samples. SR = %d, BufSize = %d\n", SAMPLE_RATE, FRAMES_PER_BUFFER); - - InitTestSignalGenerator( &data ); - - err = Pa_Initialize(); - if( err != paNoError ) goto error; - - outputParameters.device = Pa_GetDefaultOutputDevice(); /* default output device */ - outputParameters.channelCount = 2; /* stereo output */ - outputParameters.sampleFormat = paFloat32; /* 32 bit floating point output */ - outputParameters.suggestedLatency = Pa_GetDeviceInfo( outputParameters.device )->defaultHighOutputLatency; - outputParameters.hostApiSpecificStreamInfo = NULL; - -/* test paComplete ---------------------------------------------------------- */ - - ResetTestSignalGenerator( &data ); - - err = Pa_OpenStream( - &stream, - NULL, /* no input */ - &outputParameters, - SAMPLE_RATE, - FRAMES_PER_BUFFER, - paClipOff, /* we won't output out of range samples so don't bother clipping them */ - TestCallback1, - &data ); - if( err != paNoError ) goto error; - - err = Pa_StartStream( stream ); - if( err != paNoError ) goto error; - - printf("\nPlaying 'tone-blip' %d times using callback, stops by returning paComplete from callback.\n", NUM_REPEATS ); - printf("If final blip is not intact, callback+paComplete implementation may be faulty.\n\n" ); - - while( (err = Pa_IsStreamActive( stream )) == 1 ) - Pa_Sleep( 2 ); - - if( err != 0 ) goto error; - - err = Pa_StopStream( stream ); - if( err != paNoError ) goto error; - - err = Pa_CloseStream( stream ); - if( err != paNoError ) goto error; - - Pa_Sleep( 500 ); - - -/* test paComplete ---------------------------------------------------------- */ - - ResetTestSignalGenerator( &data ); - - err = Pa_OpenStream( - &stream, - NULL, /* no input */ - &outputParameters, - SAMPLE_RATE, - FRAMES_PER_BUFFER, - paClipOff, /* we won't output out of range samples so don't bother clipping them */ - TestCallback1, - &data ); - if( err != paNoError ) goto error; - - err = Pa_StartStream( stream ); - if( err != paNoError ) goto error; - - printf("\nPlaying 'tone-blip' %d times using callback, stops by returning paComplete from callback.\n", NUM_REPEATS ); - printf("If final blip is not intact or is followed by garbage, callback+paComplete implementation may be faulty.\n\n" ); - - while( (err = Pa_IsStreamActive( stream )) == 1 ) - Pa_Sleep( 5 ); - - printf("Waiting 5 seconds after paComplete before stopping the stream. Tests that buffers are flushed correctly.\n"); - Pa_Sleep( 5000 ); - - if( err != 0 ) goto error; - - err = Pa_StopStream( stream ); - if( err != paNoError ) goto error; - - err = Pa_CloseStream( stream ); - if( err != paNoError ) goto error; - - Pa_Sleep( 500 ); - - -/* test Pa_StopStream() with callback --------------------------------------- */ - - ResetTestSignalGenerator( &data ); - - testCallback2Finished = 0; - - err = Pa_OpenStream( - &stream, - NULL, /* no input */ - &outputParameters, - SAMPLE_RATE, - FRAMES_PER_BUFFER, - paClipOff, /* we won't output out of range samples so don't bother clipping them */ - TestCallback2, - &data ); - if( err != paNoError ) goto error; - - err = Pa_StartStream( stream ); - if( err != paNoError ) goto error; - - - printf("\nPlaying 'tone-blip' %d times using callback, stops by calling Pa_StopStream.\n", NUM_REPEATS ); - printf("If final blip is not intact, callback+Pa_StopStream implementation may be faulty.\n\n" ); - - /* note that polling a volatile flag is not a good way to synchronise with - the callback, but it's the best we can do portably. */ - while( !testCallback2Finished ) - Pa_Sleep( 2 ); - - Pa_Sleep( 500 ); - - err = Pa_StopStream( stream ); - if( err != paNoError ) goto error; - - - err = Pa_CloseStream( stream ); - if( err != paNoError ) goto error; - - Pa_Sleep( 500 ); - -/* test Pa_StopStream() with Pa_WriteStream --------------------------------- */ - - ResetTestSignalGenerator( &data ); - - err = Pa_OpenStream( - &stream, - NULL, /* no input */ - &outputParameters, - SAMPLE_RATE, - FRAMES_PER_BUFFER, - paClipOff, /* we won't output out of range samples so don't bother clipping them */ - NULL, /* no callback, use blocking API */ - NULL ); /* no callback, so no callback userData */ - if( err != paNoError ) goto error; - - err = Pa_StartStream( stream ); - if( err != paNoError ) goto error; - - - printf("\nPlaying 'tone-blip' %d times using Pa_WriteStream, stops by calling Pa_StopStream.\n", NUM_REPEATS ); - printf("If final blip is not intact, Pa_WriteStream+Pa_StopStream implementation may be faulty.\n\n" ); - - do{ - GenerateTestSignal( &data, writeBuffer, FRAMES_PER_BUFFER ); - err = Pa_WriteStream( stream, writeBuffer, FRAMES_PER_BUFFER ); - if( err != paNoError ) goto error; - - }while( !IsTestSignalFinished( &data ) ); - - err = Pa_StopStream( stream ); - if( err != paNoError ) goto error; - - - err = Pa_CloseStream( stream ); - if( err != paNoError ) goto error; - -/* -------------------------------------------------------------------------- */ - - Pa_Terminate(); - printf("Test finished.\n"); - - return err; - -error: - Pa_Terminate(); - fprintf( stderr, "An error occurred while using the portaudio stream\n" ); - fprintf( stderr, "Error number: %d\n", err ); - fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) ); - return err; -} diff --git a/portaudio/test/patest_suggested_vs_streaminfo_latency.c b/portaudio/test/patest_suggested_vs_streaminfo_latency.c deleted file mode 100644 index c26d871..0000000 --- a/portaudio/test/patest_suggested_vs_streaminfo_latency.c +++ /dev/null @@ -1,269 +0,0 @@ -/** @file patest_suggested_vs_streaminfo_latency.c - @ingroup test_src - @brief Print suggested vs. PaStreamInfo reported actual latency - @author Ross Bencina <rossb@audiomulch.com> - - Opens streams with a sequence of suggested latency values - from 0 to 2 seconds in .5ms intervals and gathers the resulting actual - latency values. Output a csv file and graph suggested vs. actual. Run - with framesPerBuffer unspecified, powers of 2 and multiples of 50 and - prime number buffer sizes. -*/ -/* - * $Id: patest_sine.c 1368 2008-03-01 00:38:27Z rossb $ - * - * This program uses the PortAudio Portable Audio Library. - * For more information see: http://www.portaudio.com/ - * Copyright (c) 1999-2000 Ross Bencina and Phil Burk - * - * Permission is hereby granted, free of charge, to any person obtaining - * a copy of this software and associated documentation files - * (the "Software"), to deal in the Software without restriction, - * including without limitation the rights to use, copy, modify, merge, - * publish, distribute, sublicense, and/or sell copies of the Software, - * and to permit persons to whom the Software is furnished to do so, - * subject to the following conditions: - * - * The above copyright notice and this permission notice shall be - * included in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. - * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF - * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION - * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - */ - -/* - * The text above constitutes the entire PortAudio license; however, - * the PortAudio community also makes the following non-binding requests: - * - * Any person wishing to distribute modifications to the Software is - * requested to send the modifications to the original developer so that - * they can be incorporated into the canonical version. It is also - * requested that these non-binding requests be included along with the - * license above. - */ -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <math.h> -#include "portaudio.h" - -#define SAMPLE_RATE (44100) -#define FRAMES_PER_BUFFER 2//(128) -#define NUM_CHANNELS (2) - -#define SUGGESTED_LATENCY_START_SECONDS (0.0) -#define SUGGESTED_LATENCY_END_SECONDS (2.0) -#define SUGGESTED_LATENCY_INCREMENT_SECONDS (0.0005) /* half a millisecond increments */ - - -/* dummy callback. does nothing. never gets called */ -static int patestCallback( const void *inputBuffer, void *outputBuffer, - unsigned long framesPerBuffer, - const PaStreamCallbackTimeInfo* timeInfo, - PaStreamCallbackFlags statusFlags, - void *userData ) -{ - return paContinue; -} - -/*******************************************************************/ -static void usage() -{ - int i; - const PaDeviceInfo *deviceInfo; - const char *channelString; - - fprintf( stderr, "PortAudio suggested (requested) vs. resulting (reported) stream latency test\n" ); - fprintf( stderr, "Usage: x.exe input-device-index output-device-index sample-rate frames-per-buffer\n" ); - fprintf( stderr, "Use -1 for default device index, or use one of these:\n" ); - for( i=0; i < Pa_GetDeviceCount(); ++i ){ - deviceInfo = Pa_GetDeviceInfo(i); - if( deviceInfo->maxInputChannels > 0 && deviceInfo->maxOutputChannels > 0 ) - channelString = "full-duplex"; - else if( deviceInfo->maxInputChannels > 0 ) - channelString = "input only"; - else - channelString = "output only"; - - fprintf( stderr, "%d (%s, %s, %s)\n", i, deviceInfo->name, Pa_GetHostApiInfo(deviceInfo->hostApi)->name, channelString ); - } - Pa_Terminate(); - exit(-1); -} - -int main( int argc, const char* argv[] ); -int main( int argc, const char* argv[] ) -{ - PaStreamParameters inputParameters, outputParameters; - PaStream *stream; - PaError err; - PaTime suggestedLatency; - const PaStreamInfo *streamInfo; - const PaDeviceInfo *deviceInfo; - float sampleRate = SAMPLE_RATE; - int framesPerBuffer = FRAMES_PER_BUFFER; - err = Pa_Initialize(); - if( err != paNoError ) goto error; - - if( argc > 1 && strcmp(argv[1],"-h") == 0 ) - usage(); - - if( argc > 3 ){ - sampleRate = atoi(argv[3]); - } - - if( argc > 4 ){ - framesPerBuffer = atoi(argv[4]); - } - - printf("# sample rate=%f, frames per buffer=%d\n", (float)sampleRate, framesPerBuffer ); - - inputParameters.device = -1; - if( argc > 1 ) - inputParameters.device = atoi(argv[1]); - if( inputParameters.device == -1 ){ - inputParameters.device = Pa_GetDefaultInputDevice(); - if (inputParameters.device == paNoDevice) { - fprintf(stderr,"Error: No default input device available.\n"); - goto error; - } - }else{ - deviceInfo = Pa_GetDeviceInfo(inputParameters.device); - if( !deviceInfo ){ - fprintf(stderr,"Error: Invalid input device index.\n"); - usage(); - } - if( deviceInfo->maxInputChannels == 0 ){ - fprintf(stderr,"Error: Specified input device has no input channels (an output only device?).\n"); - usage(); - } - } - - inputParameters.channelCount = NUM_CHANNELS; - inputParameters.sampleFormat = paFloat32; /* 32 bit floating point output */ - inputParameters.hostApiSpecificStreamInfo = NULL; - - deviceInfo = Pa_GetDeviceInfo(inputParameters.device); - printf( "# using input device id %d (%s, %s)\n", inputParameters.device, deviceInfo->name, Pa_GetHostApiInfo(deviceInfo->hostApi)->name ); - - - outputParameters.device = -1; - if( argc > 2 ) - outputParameters.device = atoi(argv[2]); - if( outputParameters.device == -1 ){ - outputParameters.device = Pa_GetDefaultOutputDevice(); - if (outputParameters.device == paNoDevice) { - fprintf(stderr,"Error: No default output device available.\n"); - goto error; - } - }else{ - deviceInfo = Pa_GetDeviceInfo(outputParameters.device); - if( !deviceInfo ){ - fprintf(stderr,"Error: Invalid output device index.\n"); - usage(); - } - if( deviceInfo->maxOutputChannels == 0 ){ - fprintf(stderr,"Error: Specified output device has no output channels (an input only device?).\n"); - usage(); - } - } - - outputParameters.channelCount = NUM_CHANNELS; - outputParameters.sampleFormat = paFloat32; /* 32 bit floating point output */ - outputParameters.hostApiSpecificStreamInfo = NULL; - - deviceInfo = Pa_GetDeviceInfo(outputParameters.device); - printf( "# using output device id %d (%s, %s)\n", outputParameters.device, deviceInfo->name, Pa_GetHostApiInfo(deviceInfo->hostApi)->name ); - - - printf( "# suggested latency, half duplex PaStreamInfo::outputLatency, half duplex PaStreamInfo::inputLatency, full duplex PaStreamInfo::outputLatency, full duplex PaStreamInfo::inputLatency\n" ); - suggestedLatency = SUGGESTED_LATENCY_START_SECONDS; - while( suggestedLatency <= SUGGESTED_LATENCY_END_SECONDS ){ - - outputParameters.suggestedLatency = suggestedLatency; - inputParameters.suggestedLatency = suggestedLatency; - - printf( "%f, ", suggestedLatency ); - - /* ------------------------------ output ------------------------------ */ - - err = Pa_OpenStream( - &stream, - NULL, /* no input */ - &outputParameters, - sampleRate, - framesPerBuffer, - paClipOff, /* we won't output out of range samples so don't bother clipping them */ - patestCallback, - 0 ); - if( err != paNoError ) goto error; - - streamInfo = Pa_GetStreamInfo( stream ); - - printf( "%f,", streamInfo->outputLatency ); - - err = Pa_CloseStream( stream ); - if( err != paNoError ) goto error; - - /* ------------------------------ input ------------------------------ */ - - err = Pa_OpenStream( - &stream, - &inputParameters, - NULL, /* no output */ - sampleRate, - framesPerBuffer, - paClipOff, /* we won't output out of range samples so don't bother clipping them */ - patestCallback, - 0 ); - if( err != paNoError ) goto error; - - streamInfo = Pa_GetStreamInfo( stream ); - - printf( "%f,", streamInfo->inputLatency ); - - err = Pa_CloseStream( stream ); - if( err != paNoError ) goto error; - - /* ------------------------------ full duplex ------------------------------ */ - - err = Pa_OpenStream( - &stream, - &inputParameters, - &outputParameters, - sampleRate, - framesPerBuffer, - paClipOff, /* we won't output out of range samples so don't bother clipping them */ - patestCallback, - 0 ); - if( err != paNoError ) goto error; - - streamInfo = Pa_GetStreamInfo( stream ); - - printf( "%f,%f", streamInfo->outputLatency, streamInfo->inputLatency ); - - err = Pa_CloseStream( stream ); - if( err != paNoError ) goto error; - - /* ------------------------------------------------------------ */ - - printf( "\n" ); - suggestedLatency += SUGGESTED_LATENCY_INCREMENT_SECONDS; - } - - Pa_Terminate(); - printf("# Test finished.\n"); - - return err; -error: - Pa_Terminate(); - fprintf( stderr, "An error occurred while using the portaudio stream\n" ); - fprintf( stderr, "Error number: %d\n", err ); - fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) ); - return err; -} diff --git a/portaudio/test/patest_suggested_vs_streaminfo_latency.py b/portaudio/test/patest_suggested_vs_streaminfo_latency.py deleted file mode 100644 index 8026787..0000000 --- a/portaudio/test/patest_suggested_vs_streaminfo_latency.py +++ /dev/null @@ -1,150 +0,0 @@ -#!/usr/bin/env python -""" - -Run and graph the results of patest_suggested_vs_streaminfo_latency.c - -Requires matplotlib for plotting: http://matplotlib.sourceforge.net/ - -""" -import os -from pylab import * -import numpy -from matplotlib.backends.backend_pdf import PdfPages - -testExeName = "PATest.exe" # rename to whatever the compiled patest_suggested_vs_streaminfo_latency.c binary is -dataFileName = "patest_suggested_vs_streaminfo_latency.csv" # code below calls the exe to generate this file - -inputDeviceIndex = -1 # -1 means default -outputDeviceIndex = -1 # -1 means default -sampleRate = 44100 -pdfFilenameSuffix = "_wmme" - -pdfFile = PdfPages("patest_suggested_vs_streaminfo_latency_" + str(sampleRate) + pdfFilenameSuffix +".pdf") #output this pdf file - - -def loadCsvData( dataFileName ): - params= "" - inputDevice = "" - outputDevice = "" - - startLines = file(dataFileName).readlines(1024) - for line in startLines: - if "output device" in line: - outputDevice = line.strip(" \t\n\r#") - if "input device" in line: - inputDevice = line.strip(" \t\n\r#") - params = startLines[0].strip(" \t\n\r#") - - data = numpy.loadtxt(dataFileName, delimiter=",", skiprows=4).transpose() - - class R(object): pass - result = R() - result.params = params - for s in params.split(','): - if "sample rate" in s: - result.sampleRate = s - - result.inputDevice = inputDevice - result.outputDevice = outputDevice - result.suggestedLatency = data[0] - result.halfDuplexOutputLatency = data[1] - result.halfDuplexInputLatency = data[2] - result.fullDuplexOutputLatency = data[3] - result.fullDuplexInputLatency = data[4] - return result; - - -def setFigureTitleAndAxisLabels( framesPerBufferString ): - title("PortAudio suggested (requested) vs. resulting (reported) stream latency\n" + framesPerBufferString) - ylabel("PaStreamInfo::{input,output}Latency (s)") - xlabel("Pa_OpenStream suggestedLatency (s)") - grid(True) - legend(loc="upper left") - -def setDisplayRangeSeconds( maxSeconds ): - xlim(0, maxSeconds) - ylim(0, maxSeconds) - - -# run the test with different frames per buffer values: - -compositeTestFramesPerBufferValues = [0] -# powers of two -for i in range (1,11): - compositeTestFramesPerBufferValues.append( pow(2,i) ) - -# multiples of 50 -for i in range (1,20): - compositeTestFramesPerBufferValues.append( i * 50 ) - -# 10ms buffer sizes -compositeTestFramesPerBufferValues.append( 441 ) -compositeTestFramesPerBufferValues.append( 882 ) - -# large primes -#compositeTestFramesPerBufferValues.append( 39209 ) -#compositeTestFramesPerBufferValues.append( 37537 ) -#compositeTestFramesPerBufferValues.append( 26437 ) - -individualPlotFramesPerBufferValues = [0,64,128,256,512] #output separate plots for these - -isFirst = True - -for framesPerBuffer in compositeTestFramesPerBufferValues: - commandString = testExeName + " " + str(inputDeviceIndex) + " " + str(outputDeviceIndex) + " " + str(sampleRate) + " " + str(framesPerBuffer) + ' > ' + dataFileName - print commandString - os.system(commandString) - - d = loadCsvData(dataFileName) - - if isFirst: - figure(1) # title sheet - gcf().text(0.1, 0.0, - "patest_suggested_vs_streaminfo_latency\n%s\n%s\n%s\n"%(d.inputDevice,d.outputDevice,d.sampleRate)) - pdfFile.savefig() - - - figure(2) # composite plot, includes all compositeTestFramesPerBufferValues - - if isFirst: - plot( d.suggestedLatency, d.suggestedLatency, label="Suggested latency" ) - - plot( d.suggestedLatency, d.halfDuplexOutputLatency ) - plot( d.suggestedLatency, d.halfDuplexInputLatency ) - plot( d.suggestedLatency, d.fullDuplexOutputLatency ) - plot( d.suggestedLatency, d.fullDuplexInputLatency ) - - if framesPerBuffer in individualPlotFramesPerBufferValues: # individual plots - figure( 3 + individualPlotFramesPerBufferValues.index(framesPerBuffer) ) - - plot( d.suggestedLatency, d.suggestedLatency, label="Suggested latency" ) - plot( d.suggestedLatency, d.halfDuplexOutputLatency, label="Half-duplex output latency" ) - plot( d.suggestedLatency, d.halfDuplexInputLatency, label="Half-duplex input latency" ) - plot( d.suggestedLatency, d.fullDuplexOutputLatency, label="Full-duplex output latency" ) - plot( d.suggestedLatency, d.fullDuplexInputLatency, label="Full-duplex input latency" ) - - if framesPerBuffer == 0: - framesPerBufferText = "paFramesPerBufferUnspecified" - else: - framesPerBufferText = str(framesPerBuffer) - setFigureTitleAndAxisLabels( "user frames per buffer: "+str(framesPerBufferText) ) - setDisplayRangeSeconds(2.2) - pdfFile.savefig() - setDisplayRangeSeconds(0.1) - setFigureTitleAndAxisLabels( "user frames per buffer: "+str(framesPerBufferText)+" (detail)" ) - pdfFile.savefig() - - isFirst = False - -figure(2) -setFigureTitleAndAxisLabels( "composite of frames per buffer values:\n"+str(compositeTestFramesPerBufferValues) ) -setDisplayRangeSeconds(2.2) -pdfFile.savefig() -setDisplayRangeSeconds(0.1) -setFigureTitleAndAxisLabels( "composite of frames per buffer values:\n"+str(compositeTestFramesPerBufferValues)+" (detail)" ) -pdfFile.savefig() - -pdfFile.close() - -#uncomment this to display interactively, otherwise we just output a pdf -#show() diff --git a/portaudio/test/patest_sync.c b/portaudio/test/patest_sync.c deleted file mode 100644 index 52df0fe..0000000 --- a/portaudio/test/patest_sync.c +++ /dev/null @@ -1,271 +0,0 @@ -/** @file patest_sync.c - @ingroup test_src - @brief Test time stamping and synchronization of audio and video. - - A high latency is used so we can hear the difference in time. - Random durations are used so we know we are hearing the right beep - and not the one before or after. - - Sequence of events: - -# Foreground requests a beep. - -# Background randomly schedules a beep. - -# Foreground waits for the beep to be heard based on PaUtil_GetTime(). - -# Foreground outputs video (printf) in sync with audio. - -# Repeat. - - @author Phil Burk http://www.softsynth.com -*/ -/* - * $Id$ - * - * This program uses the PortAudio Portable Audio Library. - * For more information see: http://www.portaudio.com - * Copyright (c) 1999-2000 Ross Bencina and Phil Burk - * - * Permission is hereby granted, free of charge, to any person obtaining - * a copy of this software and associated documentation files - * (the "Software"), to deal in the Software without restriction, - * including without limitation the rights to use, copy, modify, merge, - * publish, distribute, sublicense, and/or sell copies of the Software, - * and to permit persons to whom the Software is furnished to do so, - * subject to the following conditions: - * - * The above copyright notice and this permission notice shall be - * included in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. - * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF - * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION - * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - */ - -/* - * The text above constitutes the entire PortAudio license; however, - * the PortAudio community also makes the following non-binding requests: - * - * Any person wishing to distribute modifications to the Software is - * requested to send the modifications to the original developer so that - * they can be incorporated into the canonical version. It is also - * requested that these non-binding requests be included along with the - * license above. - */ - -#include <stdio.h> -#include <math.h> -#include "portaudio.h" -#include "pa_util.h" -#define NUM_BEEPS (6) -#define SAMPLE_RATE (44100) -#define SAMPLE_PERIOD (1.0/44100.0) -#define FRAMES_PER_BUFFER (256) -#define BEEP_DURATION (400) -#define LATENCY_MSEC (2000) -#define SLEEP_MSEC (10) -#define TIMEOUT_MSEC (15000) - -#define STATE_BKG_IDLE (0) -#define STATE_BKG_PENDING (1) -#define STATE_BKG_BEEPING (2) -typedef struct -{ - float left_phase; - float right_phase; - int state; - volatile int requestBeep; /* Set by foreground, cleared by background. */ - PaTime beepTime; - int beepCount; - double latency; /* For debugging. */ -} -paTestData; - -static unsigned long GenerateRandomNumber( void ); -/************************************************************/ -/* Calculate pseudo-random 32 bit number based on linear congruential method. */ -static unsigned long GenerateRandomNumber( void ) -{ - static unsigned long randSeed = 99887766; /* Change this for different random sequences. */ - randSeed = (randSeed * 196314165) + 907633515; - return randSeed; -} - -/* This routine will be called by the PortAudio engine when audio is needed. -** It may called at interrupt level on some machines so don't do anything -** that could mess up the system like calling malloc() or free(). -*/ -static int patestCallback( const void *inputBuffer, void *outputBuffer, - unsigned long framesPerBuffer, - const PaStreamCallbackTimeInfo *timeInfo, - PaStreamCallbackFlags statusFlags, void *userData ) -{ - /* Cast data passed through stream to our structure. */ - paTestData *data = (paTestData*)userData; - float *out = (float*)outputBuffer; - unsigned int i; - (void) inputBuffer; - - data->latency = timeInfo->outputBufferDacTime - timeInfo->currentTime; - - for( i=0; i<framesPerBuffer; i++ ) - { - switch( data->state ) - { - case STATE_BKG_IDLE: - /* Schedule beep at some random time in the future. */ - if( data->requestBeep ) - { - int random = GenerateRandomNumber() >> 14; - data->beepTime = timeInfo->outputBufferDacTime + (( (double)(random + SAMPLE_RATE)) * SAMPLE_PERIOD ); - data->state = STATE_BKG_PENDING; - } - *out++ = 0.0; /* left */ - *out++ = 0.0; /* right */ - break; - - case STATE_BKG_PENDING: - if( (timeInfo->outputBufferDacTime + (i*SAMPLE_PERIOD)) >= data->beepTime ) - { - data->state = STATE_BKG_BEEPING; - data->beepCount = BEEP_DURATION; - data->left_phase = data->right_phase = 0.0; - } - *out++ = 0.0; /* left */ - *out++ = 0.0; /* right */ - break; - - case STATE_BKG_BEEPING: - if( data->beepCount <= 0 ) - { - data->state = STATE_BKG_IDLE; - data->requestBeep = 0; - *out++ = 0.0; /* left */ - *out++ = 0.0; /* right */ - } - else - { - /* Play sawtooth wave. */ - *out++ = data->left_phase; /* left */ - *out++ = data->right_phase; /* right */ - /* Generate simple sawtooth phaser that ranges between -1.0 and 1.0. */ - data->left_phase += 0.01f; - /* When signal reaches top, drop back down. */ - if( data->left_phase >= 1.0f ) data->left_phase -= 2.0f; - /* higher pitch so we can distinguish left and right. */ - data->right_phase += 0.03f; - if( data->right_phase >= 1.0f ) data->right_phase -= 2.0f; - } - data->beepCount -= 1; - break; - - default: - data->state = STATE_BKG_IDLE; - break; - } - } - return 0; -} -/*******************************************************************/ -int main(void); -int main(void) -{ - PaStream *stream; - PaError err; - paTestData DATA; - int i, timeout; - PaTime previousTime; - PaStreamParameters outputParameters; - printf("PortAudio Test: you should see BEEP at the same time you hear it.\n"); - printf("Wait for a few seconds random delay between BEEPs.\n"); - printf("BEEP %d times.\n", NUM_BEEPS ); - /* Initialize our DATA for use by callback. */ - DATA.left_phase = DATA.right_phase = 0.0; - DATA.state = STATE_BKG_IDLE; - DATA.requestBeep = 0; - /* Initialize library before making any other calls. */ - err = Pa_Initialize(); - if( err != paNoError ) goto error; - - outputParameters.device = Pa_GetDefaultOutputDevice(); - if (outputParameters.device == paNoDevice) { - fprintf(stderr,"Error: No default output device.\n"); - goto error; - } - outputParameters.channelCount = 2; - outputParameters.hostApiSpecificStreamInfo = NULL; - outputParameters.sampleFormat = paFloat32; - outputParameters.suggestedLatency = (double)LATENCY_MSEC / 1000; - - /* Open an audio I/O stream. */ - err = Pa_OpenStream( - &stream, - NULL, /* no input */ - &outputParameters, - SAMPLE_RATE, - FRAMES_PER_BUFFER, /* frames per buffer */ - paClipOff, /* we won't output out of range samples so don't bother clipping them */ - patestCallback, - &DATA ); - if( err != paNoError ) goto error; - - err = Pa_StartStream( stream ); - if( err != paNoError ) goto error; - - printf("started\n"); - fflush(stdout); - - previousTime = Pa_GetStreamTime( stream ); - for( i=0; i<NUM_BEEPS; i++ ) - { - /* Request a beep from background. */ - DATA.requestBeep = 1; - - /* Wait for background to acknowledge request. */ - timeout = TIMEOUT_MSEC; - while( (DATA.requestBeep == 1) && (timeout-- > 0 ) ) Pa_Sleep(SLEEP_MSEC); - if( timeout <= 0 ) - { - fprintf( stderr, "Timed out waiting for background to acknowledge request.\n" ); - goto error; - } - printf("calc beep for %9.3f, latency = %6.3f\n", DATA.beepTime, DATA.latency ); - fflush(stdout); - - /* Wait for scheduled beep time. */ - timeout = TIMEOUT_MSEC + (10000/SLEEP_MSEC); - while( (Pa_GetStreamTime( stream ) < DATA.beepTime) && (timeout-- > 0 ) ) - { - Pa_Sleep(SLEEP_MSEC); - } - if( timeout <= 0 ) - { - fprintf( stderr, "Timed out waiting for time. Now = %9.3f, Beep for %9.3f.\n", - PaUtil_GetTime(), DATA.beepTime ); - goto error; - } - - /* Beep should be sounding now so print synchronized BEEP. */ - printf("hear \"BEEP\" at %9.3f, delta = %9.3f\n", - Pa_GetStreamTime( stream ), (DATA.beepTime - previousTime) ); - fflush(stdout); - - previousTime = DATA.beepTime; - } - - err = Pa_StopStream( stream ); - if( err != paNoError ) goto error; - - err = Pa_CloseStream( stream ); - if( err != paNoError ) goto error; - - Pa_Terminate(); - printf("Test finished.\n"); - return err; -error: - Pa_Terminate(); - fprintf( stderr, "An error occurred while using the portaudio stream\n" ); - fprintf( stderr, "Error number: %d\n", err ); - fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) ); - return err; -} diff --git a/portaudio/test/patest_timing.c b/portaudio/test/patest_timing.c deleted file mode 100644 index 2a240b4..0000000 --- a/portaudio/test/patest_timing.c +++ /dev/null @@ -1,173 +0,0 @@ -/** @file patest_timing.c - @ingroup test_src - @brief Play a sine wave for several seconds, and spits out a ton of timing info while it's at it. Based on patest_sine.c - @author Bjorn Roche - @author Ross Bencina <rossb@audiomulch.com> - @author Phil Burk <philburk@softsynth.com> -*/ -/* - * $Id: patest_timing.c 578 2003-09-02 04:17:38Z rossbencina $ - * - * This program uses the PortAudio Portable Audio Library. - * For more information see: http://www.portaudio.com/ - * Copyright (c) 1999-2000 Ross Bencina and Phil Burk - * - * Permission is hereby granted, free of charge, to any person obtaining - * a copy of this software and associated documentation files - * (the "Software"), to deal in the Software without restriction, - * including without limitation the rights to use, copy, modify, merge, - * publish, distribute, sublicense, and/or sell copies of the Software, - * and to permit persons to whom the Software is furnished to do so, - * subject to the following conditions: - * - * The above copyright notice and this permission notice shall be - * included in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. - * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF - * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION - * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - */ - -/* - * The text above constitutes the entire PortAudio license; however, - * the PortAudio community also makes the following non-binding requests: - * - * Any person wishing to distribute modifications to the Software is - * requested to send the modifications to the original developer so that - * they can be incorporated into the canonical version. It is also - * requested that these non-binding requests be included along with the - * license above. - */ - -#include <stdio.h> -#include <math.h> -#include "portaudio.h" - -#define NUM_SECONDS (5) -#define SAMPLE_RATE (44100) -#define FRAMES_PER_BUFFER (64) - -#ifndef M_PI -#define M_PI (3.14159265) -#endif - -#define TABLE_SIZE (200) -typedef struct -{ - PaStream *stream; - PaTime start; - float sine[TABLE_SIZE]; - int left_phase; - int right_phase; -} -paTestData; - -/* This routine will be called by the PortAudio engine when audio is needed. -** It may called at interrupt level on some machines so don't do anything -** that could mess up the system like calling malloc() or free(). -*/ -static int patestCallback( const void *inputBuffer, void *outputBuffer, - unsigned long framesPerBuffer, - const PaStreamCallbackTimeInfo* timeInfo, - PaStreamCallbackFlags statusFlags, - void *userData ) -{ - paTestData *data = (paTestData*)userData; - float *out = (float*)outputBuffer; - unsigned long i; - - (void) timeInfo; /* Prevent unused variable warnings. */ - (void) statusFlags; - (void) inputBuffer; - - printf( "Timing info given to callback: Adc: %g, Current: %g, Dac: %g\n", - timeInfo->inputBufferAdcTime, - timeInfo->currentTime, - timeInfo->outputBufferDacTime ); - - printf( "getStreamTime() returns: %g\n", Pa_GetStreamTime(data->stream) - data->start ); - - for( i=0; i<framesPerBuffer; i++ ) - { - *out++ = data->sine[data->left_phase]; /* left */ - *out++ = data->sine[data->right_phase]; /* right */ - data->left_phase += 1; - if( data->left_phase >= TABLE_SIZE ) data->left_phase -= TABLE_SIZE; - data->right_phase += 3; /* higher pitch so we can distinguish left and right. */ - if( data->right_phase >= TABLE_SIZE ) data->right_phase -= TABLE_SIZE; - } - - return paContinue; -} - -/*******************************************************************/ -int main(void); -int main(void) -{ - PaStreamParameters outputParameters; - PaStream *stream; - PaError err; - paTestData data; - int i; - - - printf("PortAudio Test: output sine wave. SR = %d, BufSize = %d\n", SAMPLE_RATE, FRAMES_PER_BUFFER); - - /* initialise sinusoidal wavetable */ - for( i=0; i<TABLE_SIZE; i++ ) - { - data.sine[i] = (float) sin( ((double)i/(double)TABLE_SIZE) * M_PI * 2. ); - } - data.left_phase = data.right_phase = 0; - - err = Pa_Initialize(); - if( err != paNoError ) goto error; - - outputParameters.device = Pa_GetDefaultOutputDevice(); /* default output device */ - outputParameters.channelCount = 2; /* stereo output */ - outputParameters.sampleFormat = paFloat32; /* 32 bit floating point output */ - outputParameters.suggestedLatency = Pa_GetDeviceInfo( outputParameters.device )->defaultLowOutputLatency; - outputParameters.hostApiSpecificStreamInfo = NULL; - - err = Pa_OpenStream( - &stream, - NULL, /* no input */ - &outputParameters, - SAMPLE_RATE, - FRAMES_PER_BUFFER, - paClipOff, /* we won't output out of range samples so don't bother clipping them */ - patestCallback, - &data ); - data.stream = stream; - data.start = Pa_GetStreamTime(stream); - if( err != paNoError ) goto error; - - err = Pa_StartStream( stream ); - data.start = Pa_GetStreamTime(stream); - if( err != paNoError ) goto error; - - printf("Play for %d seconds.\n", NUM_SECONDS ); - Pa_Sleep( NUM_SECONDS * 1000 ); - - err = Pa_StopStream( stream ); - if( err != paNoError ) goto error; - - err = Pa_CloseStream( stream ); - if( err != paNoError ) goto error; - - Pa_Terminate(); - printf("Test finished.\n"); - printf("The tone should have been heard for about 5 seconds and all the timing info above should report that about 5 seconds elapsed (except Adc, which is undefined since there was no input device opened).\n"); - - return err; -error: - Pa_Terminate(); - fprintf( stderr, "An error occurred while using the portaudio stream\n" ); - fprintf( stderr, "Error number: %d\n", err ); - fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) ); - return err; -} diff --git a/portaudio/test/patest_toomanysines.c b/portaudio/test/patest_toomanysines.c deleted file mode 100644 index 2d32071..0000000 --- a/portaudio/test/patest_toomanysines.c +++ /dev/null @@ -1,200 +0,0 @@ -/** @file patest_toomanysines.c - @ingroup test_src - @brief Play more sine waves than we can handle in real time as a stress test. - @todo This may not be needed now that we have "patest_out_overflow.c". - @author Ross Bencina <rossb@audiomulch.com> - @author Phil Burk <philburk@softsynth.com> -*/ -/* - * $Id$ - * - * This program uses the PortAudio Portable Audio Library. - * For more information see: http://www.portaudio.com - * Copyright (c) 1999-2000 Ross Bencina and Phil Burk - * - * Permission is hereby granted, free of charge, to any person obtaining - * a copy of this software and associated documentation files - * (the "Software"), to deal in the Software without restriction, - * including without limitation the rights to use, copy, modify, merge, - * publish, distribute, sublicense, and/or sell copies of the Software, - * and to permit persons to whom the Software is furnished to do so, - * subject to the following conditions: - * - * The above copyright notice and this permission notice shall be - * included in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. - * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF - * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION - * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - */ - -/* - * The text above constitutes the entire PortAudio license; however, - * the PortAudio community also makes the following non-binding requests: - * - * Any person wishing to distribute modifications to the Software is - * requested to send the modifications to the original developer so that - * they can be incorporated into the canonical version. It is also - * requested that these non-binding requests be included along with the - * license above. - */ - -#include <stdio.h> -#include <math.h> -#include "portaudio.h" - -#define MAX_SINES (1000) -#define MAX_LOAD (1.2) -#define SAMPLE_RATE (44100) -#define FRAMES_PER_BUFFER (512) -#ifndef M_PI -#define M_PI (3.14159265) -#endif -#define TWOPI (M_PI * 2.0) - -typedef struct paTestData -{ - int numSines; - double phases[MAX_SINES]; -} -paTestData; - -/* This routine will be called by the PortAudio engine when audio is needed. -** It may called at interrupt level on some machines so don't do anything -** that could mess up the system like calling malloc() or free(). -*/ -static int patestCallback( const void *inputBuffer, void *outputBuffer, - unsigned long framesPerBuffer, - const PaStreamCallbackTimeInfo* timeInfo, - PaStreamCallbackFlags statusFlags, - void *userData ) -{ - paTestData *data = (paTestData*)userData; - float *out = (float*)outputBuffer; - unsigned long i; - int j; - int finished = 0; - (void) inputBuffer; /* Prevent unused variable warning. */ - - for( i=0; i<framesPerBuffer; i++ ) - { - float output = 0.0; - double phaseInc = 0.02; - double phase; - for( j=0; j<data->numSines; j++ ) - { - /* Advance phase of next oscillator. */ - phase = data->phases[j]; - phase += phaseInc; - if( phase > TWOPI ) phase -= TWOPI; - - phaseInc *= 1.02; - if( phaseInc > 0.5 ) phaseInc *= 0.5; - - /* This is not a very efficient way to calc sines. */ - output += (float) sin( phase ); - data->phases[j] = phase; - } - *out++ = (float) (output / data->numSines); - } - return finished; -} - -/*******************************************************************/ -int main(void); -int main(void) -{ - PaStreamParameters outputParameters; - PaStream *stream; - PaError err; - int numStress; - paTestData data = {0}; - double load; - - printf("PortAudio Test: output sine wave. SR = %d, BufSize = %d. MAX_LOAD = %f\n", - SAMPLE_RATE, FRAMES_PER_BUFFER, MAX_LOAD ); - - err = Pa_Initialize(); - if( err != paNoError ) goto error; - - outputParameters.device = Pa_GetDefaultOutputDevice(); /* default output device */ - if (outputParameters.device == paNoDevice) { - fprintf(stderr,"Error: No default output device.\n"); - goto error; - } - outputParameters.channelCount = 1; /* mono output */ - outputParameters.sampleFormat = paFloat32; /* 32 bit floating point output */ - outputParameters.suggestedLatency = Pa_GetDeviceInfo( outputParameters.device )->defaultLowOutputLatency; - outputParameters.hostApiSpecificStreamInfo = NULL; - - err = Pa_OpenStream( - &stream, - NULL, /* no input */ - &outputParameters, - SAMPLE_RATE, - FRAMES_PER_BUFFER, - paClipOff, /* we won't output out of range samples so don't bother clipping them */ - patestCallback, - &data ); - if( err != paNoError ) goto error; - err = Pa_StartStream( stream ); - if( err != paNoError ) goto error; - - /* Determine number of sines required to get to 50% */ - do - { Pa_Sleep( 100 ); - - load = Pa_GetStreamCpuLoad( stream ); - printf("numSines = %d, CPU load = %f\n", data.numSines, load ); - - if( load < 0.3 ) - { - data.numSines += 10; - } - else if( load < 0.4 ) - { - data.numSines += 2; - } - else - { - data.numSines += 1; - } - - } - while( load < 0.5 ); - - /* Calculate target stress value then ramp up to that level*/ - numStress = (int) (2.0 * data.numSines * MAX_LOAD ); - if( numStress > MAX_SINES ) - numStress = MAX_SINES; - for( ; data.numSines < numStress; data.numSines+=2 ) - { - Pa_Sleep( 200 ); - load = Pa_GetStreamCpuLoad( stream ); - printf("STRESSING: numSines = %d, CPU load = %f\n", data.numSines, load ); - } - - printf("Suffer for 5 seconds.\n"); - Pa_Sleep( 5000 ); - - printf("Stop stream.\n"); - err = Pa_StopStream( stream ); - if( err != paNoError ) goto error; - - err = Pa_CloseStream( stream ); - if( err != paNoError ) goto error; - - Pa_Terminate(); - printf("Test finished.\n"); - return err; -error: - Pa_Terminate(); - fprintf( stderr, "An error occurred while using the portaudio stream\n" ); - fprintf( stderr, "Error number: %d\n", err ); - fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) ); - return err; -} diff --git a/portaudio/test/patest_two_rates.c b/portaudio/test/patest_two_rates.c deleted file mode 100644 index 2116b1e..0000000 --- a/portaudio/test/patest_two_rates.c +++ /dev/null @@ -1,178 +0,0 @@ -/** @file patest_two_rates.c - @ingroup test_src - @brief Play two streams at different rates to make sure they don't interfere. - @author Phil Burk <philburk@softsynth.com> -*/ -/* - * $Id$ - * - * Author: Phil Burk http://www.softsynth.com - * - * This program uses the PortAudio Portable Audio Library. - * For more information see: http://www.portaudio.com - * Copyright (c) 1999-2000 Ross Bencina and Phil Burk - * - * Permission is hereby granted, free of charge, to any person obtaining - * a copy of this software and associated documentation files - * (the "Software"), to deal in the Software without restriction, - * including without limitation the rights to use, copy, modify, merge, - * publish, distribute, sublicense, and/or sell copies of the Software, - * and to permit persons to whom the Software is furnished to do so, - * subject to the following conditions: - * - * The above copyright notice and this permission notice shall be - * included in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. - * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF - * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION - * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - */ - -/* - * The text above constitutes the entire PortAudio license; however, - * the PortAudio community also makes the following non-binding requests: - * - * Any person wishing to distribute modifications to the Software is - * requested to send the modifications to the original developer so that - * they can be incorporated into the canonical version. It is also - * requested that these non-binding requests be included along with the - * license above. - */ - -#include <stdio.h> -#include <math.h> -#include "portaudio.h" - -#define OUTPUT_DEVICE (Pa_GetDefaultOutputDeviceID()) -#define SAMPLE_RATE_1 (44100) -#define SAMPLE_RATE_2 (48000) -#define FRAMES_PER_BUFFER (256) -#define FREQ_INCR (0.1) - -#ifndef M_PI -#define M_PI (3.14159265) -#endif - -typedef struct -{ - double phase; - int numFrames; -} paTestData; - -/* This routine will be called by the PortAudio engine when audio is needed. - ** It may called at interrupt level on some machines so don't do anything - ** that could mess up the system like calling malloc() or free(). - */ -static int patestCallback( const void *inputBuffer, void *outputBuffer, - unsigned long framesPerBuffer, - const PaStreamCallbackTimeInfo* timeInfo, - PaStreamCallbackFlags statusFlags, - void *userData ) -{ - paTestData *data = (paTestData*)userData; - float *out = (float*)outputBuffer; - int frameIndex; - (void) timeInfo; /* Prevent unused variable warnings. */ - (void) inputBuffer; - - for( frameIndex=0; frameIndex<(int)framesPerBuffer; frameIndex++ ) - { - /* Generate sine wave. */ - float value = (float) 0.3 * sin(data->phase); - /* Stereo - two channels. */ - *out++ = value; - *out++ = value; - - data->phase += FREQ_INCR; - if( data->phase >= (2.0 * M_PI) ) data->phase -= (2.0 * M_PI); - } - data->numFrames += 1; - return 0; -} - -/*******************************************************************/ -int main(void); -int main(void) -{ - PaError err; - PaStreamParameters outputParameters; - PaStream *stream1; - PaStream *stream2; - paTestData data1 = {0}; - paTestData data2 = {0}; - printf("PortAudio Test: two rates.\n" ); - - err = Pa_Initialize(); - if( err != paNoError ) goto error; - - outputParameters.device = Pa_GetDefaultOutputDevice(); /* default output device */ - if (outputParameters.device == paNoDevice) { - fprintf(stderr,"Error: No default output device.\n"); - goto error; - } - outputParameters.channelCount = 2; /* stereo output */ - outputParameters.sampleFormat = paFloat32; /* 32 bit floating point output */ - outputParameters.suggestedLatency = Pa_GetDeviceInfo( outputParameters.device )->defaultLowOutputLatency; - outputParameters.hostApiSpecificStreamInfo = NULL; - - /* Start first stream. **********************/ - err = Pa_OpenStream( - &stream1, - NULL, /* no input */ - &outputParameters, - SAMPLE_RATE_1, - FRAMES_PER_BUFFER, - paClipOff, /* we won't output out of range samples so don't bother clipping them */ - patestCallback, - &data1 ); - if( err != paNoError ) goto error; - - err = Pa_StartStream( stream1 ); - if( err != paNoError ) goto error; - - Pa_Sleep( 3 * 1000 ); - - /* Start second stream. **********************/ - err = Pa_OpenStream( - &stream2, - NULL, /* no input */ - &outputParameters, - SAMPLE_RATE_2, - FRAMES_PER_BUFFER, - paClipOff, /* we won't output out of range samples so don't bother clipping them */ - patestCallback, - &data2 ); - if( err != paNoError ) goto error; - - err = Pa_StartStream( stream2 ); - if( err != paNoError ) goto error; - - Pa_Sleep( 3 * 1000 ); - - err = Pa_StopStream( stream2 ); - if( err != paNoError ) goto error; - - Pa_Sleep( 3 * 1000 ); - - err = Pa_StopStream( stream1 ); - if( err != paNoError ) goto error; - - Pa_CloseStream( stream2 ); - Pa_CloseStream( stream1 ); - - Pa_Terminate(); - - printf("NumFrames = %d on stream1, %d on stream2.\n", data1.numFrames, data2.numFrames ); - printf("Test finished.\n"); - return err; -error: - Pa_Terminate(); - fprintf( stderr, "An error occurred while using the portaudio stream\n" ); - fprintf( stderr, "Error number: %d\n", err ); - fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) ); - return err; -} diff --git a/portaudio/test/patest_underflow.c b/portaudio/test/patest_underflow.c deleted file mode 100644 index 96216a6..0000000 --- a/portaudio/test/patest_underflow.c +++ /dev/null @@ -1,162 +0,0 @@ -/** @file patest_underflow.c - @ingroup test_src - @brief Simulate an output buffer underflow condition. - Tests whether the stream can be stopped when underflowing buffers. - @author Ross Bencina <rossb@audiomulch.com> - @author Phil Burk <philburk@softsynth.com> -*/ -/* - * $Id$ - * - * This program uses the PortAudio Portable Audio Library. - * For more information see: http://www.portaudio.com - * Copyright (c) 1999-2000 Ross Bencina and Phil Burk - * - * Permission is hereby granted, free of charge, to any person obtaining - * a copy of this software and associated documentation files - * (the "Software"), to deal in the Software without restriction, - * including without limitation the rights to use, copy, modify, merge, - * publish, distribute, sublicense, and/or sell copies of the Software, - * and to permit persons to whom the Software is furnished to do so, - * subject to the following conditions: - * - * The above copyright notice and this permission notice shall be - * included in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. - * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF - * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION - * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - */ - -/* - * The text above constitutes the entire PortAudio license; however, - * the PortAudio community also makes the following non-binding requests: - * - * Any person wishing to distribute modifications to the Software is - * requested to send the modifications to the original developer so that - * they can be incorporated into the canonical version. It is also - * requested that these non-binding requests be included along with the - * license above. - */ - -#include <stdio.h> -#include <math.h> -#include "portaudio.h" - -#define NUM_SECONDS (20) -#define SAMPLE_RATE (44100) -#define FRAMES_PER_BUFFER (2048) -#define MSEC_PER_BUFFER ( (FRAMES_PER_BUFFER * 1000) / SAMPLE_RATE ) - -#ifndef M_PI -#define M_PI (3.14159265) -#endif - -#define TABLE_SIZE (200) -typedef struct -{ - float sine[TABLE_SIZE]; - int left_phase; - int right_phase; - int sleepTime; -} -paTestData; - -/* This routine will be called by the PortAudio engine when audio is needed. -** It may called at interrupt level on some machines so don't do anything -** that could mess up the system like calling malloc() or free(). -*/ -static int patestCallback( const void *inputBuffer, void *outputBuffer, - unsigned long framesPerBuffer, - const PaStreamCallbackTimeInfo* timeInfo, - PaStreamCallbackFlags statusFlags, - void *userData ) -{ - paTestData *data = (paTestData*)userData; - float *out = (float*)outputBuffer; - unsigned long i; - int finished = 0; - (void) inputBuffer; /* Prevent unused variable warnings. */ - for( i=0; i<framesPerBuffer; i++ ) - { - *out++ = data->sine[data->left_phase]; /* left */ - *out++ = data->sine[data->right_phase]; /* right */ - data->left_phase += 1; - if( data->left_phase >= TABLE_SIZE ) data->left_phase -= TABLE_SIZE; - data->right_phase += 3; /* higher pitch so we can distinguish left and right. */ - if( data->right_phase >= TABLE_SIZE ) data->right_phase -= TABLE_SIZE; - } - - /* Cause underflow to occur. */ - if( data->sleepTime > 0 ) Pa_Sleep( data->sleepTime ); - data->sleepTime += 1; - - return finished; -} - -/*******************************************************************/ -int main(void); -int main(void) -{ - PaStreamParameters outputParameters; - PaStream *stream; - PaError err; - paTestData data; - int i; - printf("PortAudio Test: output sine wave. SR = %d, BufSize = %d\n", SAMPLE_RATE, FRAMES_PER_BUFFER); - /* initialise sinusoidal wavetable */ - for( i=0; i<TABLE_SIZE; i++ ) - { - data.sine[i] = (float) sin( ((double)i/(double)TABLE_SIZE) * M_PI * 2. ); - } - data.left_phase = data.right_phase = data.sleepTime = 0; - err = Pa_Initialize(); - if( err != paNoError ) goto error; - - outputParameters.device = Pa_GetDefaultOutputDevice(); /* default output device */ - if (outputParameters.device == paNoDevice) { - fprintf(stderr,"Error: No default output device.\n"); - goto error; - } - outputParameters.channelCount = 2; /* stereo output */ - outputParameters.sampleFormat = paFloat32; /* 32 bit floating point output */ - outputParameters.suggestedLatency = Pa_GetDeviceInfo( outputParameters.device )->defaultLowOutputLatency; - outputParameters.hostApiSpecificStreamInfo = NULL; - err = Pa_OpenStream( - &stream, - NULL, /* no input */ - &outputParameters, - SAMPLE_RATE, - FRAMES_PER_BUFFER, - paClipOff, /* we won't output out of range samples so don't bother clipping them */ - patestCallback, - &data ); - if( err != paNoError ) goto error; - err = Pa_StartStream( stream ); - if( err != paNoError ) goto error; - - while( data.sleepTime < (2 * MSEC_PER_BUFFER) ) - { - printf("SleepTime = %d\n", data.sleepTime ); - Pa_Sleep( data.sleepTime ); - } - - printf("Try to stop stream.\n"); - err = Pa_StopStream( stream ); - if( err != paNoError ) goto error; - err = Pa_CloseStream( stream ); - if( err != paNoError ) goto error; - Pa_Terminate(); - printf("Test finished.\n"); - return err; -error: - Pa_Terminate(); - fprintf( stderr, "An error occurred while using the portaudio stream\n" ); - fprintf( stderr, "Error number: %d\n", err ); - fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) ); - return err; -} diff --git a/portaudio/test/patest_unplug.c b/portaudio/test/patest_unplug.c deleted file mode 100644 index 0e4486e..0000000 --- a/portaudio/test/patest_unplug.c +++ /dev/null @@ -1,243 +0,0 @@ -/** @file patest_unplug.c - @ingroup test_src - @brief Debug a crash involving unplugging a USB device. - @author Phil Burk http://www.softsynth.com -*/ -/* - * $Id$ - * - * This program uses the PortAudio Portable Audio Library. - * For more information see: http://www.portaudio.com - * Copyright (c) 1999-2000 Ross Bencina and Phil Burk - * - * Permission is hereby granted, free of charge, to any person obtaining - * a copy of this software and associated documentation files - * (the "Software"), to deal in the Software without restriction, - * including without limitation the rights to use, copy, modify, merge, - * publish, distribute, sublicense, and/or sell copies of the Software, - * and to permit persons to whom the Software is furnished to do so, - * subject to the following conditions: - * - * The above copyright notice and this permission notice shall be - * included in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. - * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF - * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION - * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - */ - -/* - * The text above constitutes the entire PortAudio license; however, - * the PortAudio community also makes the following non-binding requests: - * - * Any person wishing to distribute modifications to the Software is - * requested to send the modifications to the original developer so that - * they can be incorporated into the canonical version. It is also - * requested that these non-binding requests be included along with the - * license above. - */ - -#include <stdio.h> -#include <stdlib.h> -#include <memory.h> -#include <math.h> -#include "portaudio.h" - -#define NUM_SECONDS (8) -#define SAMPLE_RATE (44100) -#ifndef M_PI -#define M_PI (3.14159265) -#endif -#define TABLE_SIZE (200) -#define FRAMES_PER_BUFFER (64) -#define MAX_CHANNELS (8) - -typedef struct -{ - short sine[TABLE_SIZE]; - int32_t phases[MAX_CHANNELS]; - int32_t numChannels; - int32_t sampsToGo; -} -paTestData; - - -static int inputCallback( const void *inputBuffer, void *outputBuffer, - unsigned long framesPerBuffer, - const PaStreamCallbackTimeInfo* timeInfo, - PaStreamCallbackFlags statusFlags, - void *userData ) -{ - paTestData *data = (paTestData*)userData; - int finished = 0; - (void) inputBuffer; /* Prevent "unused variable" warnings. */ - (void) outputBuffer; /* Prevent "unused variable" warnings. */ - - data->sampsToGo -= framesPerBuffer; - if (data->sampsToGo <= 0) - { - data->sampsToGo = 0; - finished = 1; - } - return finished; -} - -static int outputCallback( const void *inputBuffer, void *outputBuffer, - unsigned long framesPerBuffer, - const PaStreamCallbackTimeInfo* timeInfo, - PaStreamCallbackFlags statusFlags, - void *userData ) -{ - paTestData *data = (paTestData*)userData; - short *out = (short*)outputBuffer; - unsigned int i; - int finished = 0; - (void) inputBuffer; /* Prevent "unused variable" warnings. */ - - for( i=0; i<framesPerBuffer; i++ ) - { - for (int channelIndex = 0; channelIndex < data->numChannels; channelIndex++) - { - int phase = data->phases[channelIndex]; - *out++ = data->sine[phase]; - phase += channelIndex + 2; - if( phase >= TABLE_SIZE ) phase -= TABLE_SIZE; - data->phases[channelIndex] = phase; - } - } - return finished; -} - -/*******************************************************************/ -int main(int argc, char **args); -int main(int argc, char **args) -{ - PaStreamParameters inputParameters; - PaStreamParameters outputParameters; - PaStream *inputStream; - PaStream *outputStream; - const PaDeviceInfo *deviceInfo; - PaError err; - paTestData data; - int i; - int totalSamps; - int inputDevice = -1; - int outputDevice = -1; - - printf("Test unplugging a USB device.\n"); - - if( argc > 1 ) { - inputDevice = outputDevice = atoi( args[1] ); - printf("Using device number %d.\n\n", inputDevice ); - } else { - printf("Using default device.\n\n" ); - } - - memset(&data, 0, sizeof(data)); - - /* initialise sinusoidal wavetable */ - for( i=0; i<TABLE_SIZE; i++ ) - { - data.sine[i] = (short) (32767.0 * sin( ((double)i/(double)TABLE_SIZE) * M_PI * 2. )); - } - data.numChannels = 2; - data.sampsToGo = totalSamps = NUM_SECONDS * SAMPLE_RATE; /* Play for a few seconds. */ - - - err = Pa_Initialize(); - if( err != paNoError ) goto error; - - if( inputDevice == -1 ) - inputParameters.device = Pa_GetDefaultInputDevice(); /* default input device */ - else - inputParameters.device = inputDevice ; - - if (inputParameters.device == paNoDevice) { - fprintf(stderr,"Error: No default input device.\n"); - goto error; - } - - if( outputDevice == -1 ) - outputParameters.device = Pa_GetDefaultOutputDevice(); /* default output device */ - else - outputParameters.device = outputDevice ; - - if (outputParameters.device == paNoDevice) { - fprintf(stderr,"Error: No default output device.\n"); - goto error; - } - - inputParameters.channelCount = 2; - inputParameters.sampleFormat = paInt16; - deviceInfo = Pa_GetDeviceInfo( inputParameters.device ); - if( deviceInfo == NULL ) - { - fprintf( stderr, "No matching input device.\n" ); - goto error; - } - inputParameters.suggestedLatency = deviceInfo->defaultLowInputLatency; - inputParameters.hostApiSpecificStreamInfo = NULL; - err = Pa_OpenStream( - &inputStream, - &inputParameters, - NULL, - SAMPLE_RATE, - FRAMES_PER_BUFFER, - 0, - inputCallback, - &data ); - if( err != paNoError ) goto error; - - outputParameters.channelCount = 2; - outputParameters.sampleFormat = paInt16; - deviceInfo = Pa_GetDeviceInfo( outputParameters.device ); - if( deviceInfo == NULL ) - { - fprintf( stderr, "No matching output device.\n" ); - goto error; - } - outputParameters.suggestedLatency = deviceInfo->defaultLowOutputLatency; - outputParameters.hostApiSpecificStreamInfo = NULL; - err = Pa_OpenStream( - &outputStream, - NULL, - &outputParameters, - SAMPLE_RATE, - FRAMES_PER_BUFFER, - (paClipOff | paDitherOff), - outputCallback, - &data ); - if( err != paNoError ) goto error; - - err = Pa_StartStream( inputStream ); - if( err != paNoError ) goto error; - err = Pa_StartStream( outputStream ); - if( err != paNoError ) goto error; - - printf("When you hear sound, unplug the USB device.\n"); - do - { - Pa_Sleep(500); - printf("Frames remaining = %d\n", data.sampsToGo); - printf("Pa_IsStreamActive(inputStream) = %d\n", Pa_IsStreamActive(inputStream)); - printf("Pa_IsStreamActive(outputStream) = %d\n", Pa_IsStreamActive(outputStream)); - } while( Pa_IsStreamActive(inputStream) && Pa_IsStreamActive(outputStream) ); - - err = Pa_CloseStream( inputStream ); - if( err != paNoError ) goto error; - err = Pa_CloseStream( outputStream ); - if( err != paNoError ) goto error; - Pa_Terminate(); - return paNoError; -error: - Pa_Terminate(); - fprintf( stderr, "An error occurred while using the portaudio stream\n" ); - fprintf( stderr, "Error number: %d\n", err ); - fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) ); - fprintf( stderr, "Host Error message: %s\n", Pa_GetLastHostErrorInfo()->errorText ); - return err; -} diff --git a/portaudio/test/patest_wire.c b/portaudio/test/patest_wire.c deleted file mode 100644 index f04e6be..0000000 --- a/portaudio/test/patest_wire.c +++ /dev/null @@ -1,331 +0,0 @@ -/** @file patest_wire.c - @ingroup test_src - @brief Pass input directly to output. - - Note that some HW devices, for example many ISA audio cards - on PCs, do NOT support full duplex! For a PC, you normally need - a PCI based audio card such as the SBLive. - - @author Phil Burk http://www.softsynth.com - - While adapting to V19-API, I excluded configs with framesPerCallback=0 - because of an assert in file pa_common/pa_process.c. Pieter, Oct 9, 2003. - -*/ -/* - * $Id$ - * - * This program uses the PortAudio Portable Audio Library. - * For more information see: http://www.portaudio.com - * Copyright (c) 1999-2000 Ross Bencina and Phil Burk - * - * Permission is hereby granted, free of charge, to any person obtaining - * a copy of this software and associated documentation files - * (the "Software"), to deal in the Software without restriction, - * including without limitation the rights to use, copy, modify, merge, - * publish, distribute, sublicense, and/or sell copies of the Software, - * and to permit persons to whom the Software is furnished to do so, - * subject to the following conditions: - * - * The above copyright notice and this permission notice shall be - * included in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. - * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF - * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION - * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - */ - -/* - * The text above constitutes the entire PortAudio license; however, - * the PortAudio community also makes the following non-binding requests: - * - * Any person wishing to distribute modifications to the Software is - * requested to send the modifications to the original developer so that - * they can be incorporated into the canonical version. It is also - * requested that these non-binding requests be included along with the - * license above. - */ - -#include <stdio.h> -#include <math.h> -#include "portaudio.h" - -#define SAMPLE_RATE (44100) - -typedef struct WireConfig_s -{ - int isInputInterleaved; - int isOutputInterleaved; - int numInputChannels; - int numOutputChannels; - int framesPerCallback; - /* count status flags */ - int numInputUnderflows; - int numInputOverflows; - int numOutputUnderflows; - int numOutputOverflows; - int numPrimingOutputs; - int numCallbacks; -} WireConfig_t; - -#define USE_FLOAT_INPUT (1) -#define USE_FLOAT_OUTPUT (1) - -/* Latencies set to defaults. */ - -#if USE_FLOAT_INPUT - #define INPUT_FORMAT paFloat32 - typedef float INPUT_SAMPLE; -#else - #define INPUT_FORMAT paInt16 - typedef short INPUT_SAMPLE; -#endif - -#if USE_FLOAT_OUTPUT - #define OUTPUT_FORMAT paFloat32 - typedef float OUTPUT_SAMPLE; -#else - #define OUTPUT_FORMAT paInt16 - typedef short OUTPUT_SAMPLE; -#endif - -double gInOutScaler = 1.0; -#define CONVERT_IN_TO_OUT(in) ((OUTPUT_SAMPLE) ((in) * gInOutScaler)) - -#define INPUT_DEVICE (Pa_GetDefaultInputDevice()) -#define OUTPUT_DEVICE (Pa_GetDefaultOutputDevice()) - -static PaError TestConfiguration( WireConfig_t *config ); - -static int wireCallback( const void *inputBuffer, void *outputBuffer, - unsigned long framesPerBuffer, - const PaStreamCallbackTimeInfo* timeInfo, - PaStreamCallbackFlags statusFlags, - void *userData ); - -/* This routine will be called by the PortAudio engine when audio is needed. -** It may be called at interrupt level on some machines so don't do anything -** that could mess up the system like calling malloc() or free(). -*/ - -static int wireCallback( const void *inputBuffer, void *outputBuffer, - unsigned long framesPerBuffer, - const PaStreamCallbackTimeInfo* timeInfo, - PaStreamCallbackFlags statusFlags, - void *userData ) -{ - INPUT_SAMPLE *in; - OUTPUT_SAMPLE *out; - int inStride; - int outStride; - int inDone = 0; - int outDone = 0; - WireConfig_t *config = (WireConfig_t *) userData; - unsigned int i; - int inChannel, outChannel; - - /* This may get called with NULL inputBuffer during initial setup. */ - if( inputBuffer == NULL) return 0; - - /* Count flags */ - if( (statusFlags & paInputUnderflow) != 0 ) config->numInputUnderflows += 1; - if( (statusFlags & paInputOverflow) != 0 ) config->numInputOverflows += 1; - if( (statusFlags & paOutputUnderflow) != 0 ) config->numOutputUnderflows += 1; - if( (statusFlags & paOutputOverflow) != 0 ) config->numOutputOverflows += 1; - if( (statusFlags & paPrimingOutput) != 0 ) config->numPrimingOutputs += 1; - config->numCallbacks += 1; - - inChannel=0, outChannel=0; - while( !(inDone && outDone) ) - { - if( config->isInputInterleaved ) - { - in = ((INPUT_SAMPLE*)inputBuffer) + inChannel; - inStride = config->numInputChannels; - } - else - { - in = ((INPUT_SAMPLE**)inputBuffer)[inChannel]; - inStride = 1; - } - - if( config->isOutputInterleaved ) - { - out = ((OUTPUT_SAMPLE*)outputBuffer) + outChannel; - outStride = config->numOutputChannels; - } - else - { - out = ((OUTPUT_SAMPLE**)outputBuffer)[outChannel]; - outStride = 1; - } - - for( i=0; i<framesPerBuffer; i++ ) - { - *out = CONVERT_IN_TO_OUT( *in ); - out += outStride; - in += inStride; - } - - if(inChannel < (config->numInputChannels - 1)) inChannel++; - else inDone = 1; - if(outChannel < (config->numOutputChannels - 1)) outChannel++; - else outDone = 1; - } - return 0; -} - -/*******************************************************************/ -int main(void); -int main(void) -{ - PaError err = paNoError; - WireConfig_t CONFIG; - WireConfig_t *config = &CONFIG; - int configIndex = 0;; - - err = Pa_Initialize(); - if( err != paNoError ) goto error; - - printf("Please connect audio signal to input and listen for it on output!\n"); - printf("input format = %lu\n", INPUT_FORMAT ); - printf("output format = %lu\n", OUTPUT_FORMAT ); - printf("input device ID = %d\n", INPUT_DEVICE ); - printf("output device ID = %d\n", OUTPUT_DEVICE ); - - if( INPUT_FORMAT == OUTPUT_FORMAT ) - { - gInOutScaler = 1.0; - } - else if( (INPUT_FORMAT == paInt16) && (OUTPUT_FORMAT == paFloat32) ) - { - gInOutScaler = 1.0/32768.0; - } - else if( (INPUT_FORMAT == paFloat32) && (OUTPUT_FORMAT == paInt16) ) - { - gInOutScaler = 32768.0; - } - - for( config->isInputInterleaved = 0; config->isInputInterleaved < 2; config->isInputInterleaved++ ) - { - for( config->isOutputInterleaved = 0; config->isOutputInterleaved < 2; config->isOutputInterleaved++ ) - { - for( config->numInputChannels = 1; config->numInputChannels < 3; config->numInputChannels++ ) - { - for( config->numOutputChannels = 1; config->numOutputChannels < 3; config->numOutputChannels++ ) - { - /* If framesPerCallback = 0, assertion fails in file pa_common/pa_process.c, line 1413: EX. */ - for( config->framesPerCallback = 64; config->framesPerCallback < 129; config->framesPerCallback += 64 ) - { - printf("-----------------------------------------------\n" ); - printf("Configuration #%d\n", configIndex++ ); - err = TestConfiguration( config ); - /* Give user a chance to bail out. */ - if( err == 1 ) - { - err = paNoError; - goto done; - } - else if( err != paNoError ) goto error; - } - } - } - } - } - -done: - Pa_Terminate(); - printf("Full duplex sound test complete.\n"); fflush(stdout); - printf("Hit ENTER to quit.\n"); fflush(stdout); - getchar(); - return 0; - -error: - Pa_Terminate(); - fprintf( stderr, "An error occurred while using the portaudio stream\n" ); - fprintf( stderr, "Error number: %d\n", err ); - fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) ); - printf("Hit ENTER to quit.\n"); fflush(stdout); - getchar(); - return -1; -} - -static PaError TestConfiguration( WireConfig_t *config ) -{ - int c; - PaError err = paNoError; - PaStream *stream; - PaStreamParameters inputParameters, outputParameters; - - printf("input %sinterleaved!\n", (config->isInputInterleaved ? " " : "NOT ") ); - printf("output %sinterleaved!\n", (config->isOutputInterleaved ? " " : "NOT ") ); - printf("input channels = %d\n", config->numInputChannels ); - printf("output channels = %d\n", config->numOutputChannels ); - printf("framesPerCallback = %d\n", config->framesPerCallback ); - - inputParameters.device = INPUT_DEVICE; /* default input device */ - if (inputParameters.device == paNoDevice) { - fprintf(stderr,"Error: No default input device.\n"); - goto error; - } - inputParameters.channelCount = config->numInputChannels; - inputParameters.sampleFormat = INPUT_FORMAT | (config->isInputInterleaved ? 0 : paNonInterleaved); - inputParameters.suggestedLatency = Pa_GetDeviceInfo( inputParameters.device )->defaultLowInputLatency; - inputParameters.hostApiSpecificStreamInfo = NULL; - - outputParameters.device = OUTPUT_DEVICE; /* default output device */ - if (outputParameters.device == paNoDevice) { - fprintf(stderr,"Error: No default output device.\n"); - goto error; - } - outputParameters.channelCount = config->numOutputChannels; - outputParameters.sampleFormat = OUTPUT_FORMAT | (config->isOutputInterleaved ? 0 : paNonInterleaved); - outputParameters.suggestedLatency = Pa_GetDeviceInfo( outputParameters.device )->defaultLowOutputLatency; - outputParameters.hostApiSpecificStreamInfo = NULL; - - config->numInputUnderflows = 0; - config->numInputOverflows = 0; - config->numOutputUnderflows = 0; - config->numOutputOverflows = 0; - config->numPrimingOutputs = 0; - config->numCallbacks = 0; - - err = Pa_OpenStream( - &stream, - &inputParameters, - &outputParameters, - SAMPLE_RATE, - config->framesPerCallback, /* frames per buffer */ - paClipOff, /* we won't output out of range samples so don't bother clipping them */ - wireCallback, - config ); - if( err != paNoError ) goto error; - - err = Pa_StartStream( stream ); - if( err != paNoError ) goto error; - - printf("Now recording and playing. - Hit ENTER for next configuration, or 'q' to quit.\n"); fflush(stdout); - c = getchar(); - - printf("Closing stream.\n"); - err = Pa_CloseStream( stream ); - if( err != paNoError ) goto error; - -#define CHECK_FLAG_COUNT(member) \ - if( config->member > 0 ) printf("FLAGS SET: " #member " = %d\n", config->member ); - CHECK_FLAG_COUNT( numInputUnderflows ); - CHECK_FLAG_COUNT( numInputOverflows ); - CHECK_FLAG_COUNT( numOutputUnderflows ); - CHECK_FLAG_COUNT( numOutputOverflows ); - CHECK_FLAG_COUNT( numPrimingOutputs ); - printf("number of callbacks = %d\n", config->numCallbacks ); - - if( c == 'q' ) return 1; - -error: - return err; -} diff --git a/portaudio/test/patest_wmme_find_best_latency_params.c b/portaudio/test/patest_wmme_find_best_latency_params.c deleted file mode 100644 index 5c715f9..0000000 --- a/portaudio/test/patest_wmme_find_best_latency_params.c +++ /dev/null @@ -1,517 +0,0 @@ -/* - * $Id: $ - * Portable Audio I/O Library - * Windows MME low level buffer user guided parameters search - * - * Copyright (c) 2010 Ross Bencina - * - * Permission is hereby granted, free of charge, to any person obtaining - * a copy of this software and associated documentation files - * (the "Software"), to deal in the Software without restriction, - * including without limitation the rights to use, copy, modify, merge, - * publish, distribute, sublicense, and/or sell copies of the Software, - * and to permit persons to whom the Software is furnished to do so, - * subject to the following conditions: - * - * The above copyright notice and this permission notice shall be - * included in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. - * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF - * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION - * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - */ - -/* - * The text above constitutes the entire PortAudio license; however, - * the PortAudio community also makes the following non-binding requests: - * - * Any person wishing to distribute modifications to the Software is - * requested to send the modifications to the original developer so that - * they can be incorporated into the canonical version. It is also - * requested that these non-binding requests be included along with the - * license above. - */ - -#include <stdio.h> -#include <time.h> -#include <math.h> - -#define _WIN32_WINNT 0x0501 /* for GetNativeSystemInfo */ -#include <windows.h> /* required when using pa_win_wmme.h */ -#include <mmsystem.h> /* required when using pa_win_wmme.h */ - -#include <conio.h> /* for _getch */ - - -#include "portaudio.h" -#include "pa_win_wmme.h" - - -#define DEFAULT_SAMPLE_RATE (44100.) - -#ifndef M_PI -#define M_PI (3.14159265) -#endif - -#define TABLE_SIZE (2048) - -#define CHANNEL_COUNT (2) - - -/* search parameters. we test all buffer counts in this range */ -#define MIN_WMME_BUFFER_COUNT (2) -#define MAX_WMME_BUFFER_COUNT (12) - - -/*******************************************************************/ -/* functions to query and print Windows version information */ - -typedef BOOL (WINAPI *LPFN_ISWOW64PROCESS) (HANDLE, PBOOL); - -LPFN_ISWOW64PROCESS fnIsWow64Process; - -static BOOL IsWow64() -{ - BOOL bIsWow64 = FALSE; - - //IsWow64Process is not available on all supported versions of Windows. - //Use GetModuleHandle to get a handle to the DLL that contains the function - //and GetProcAddress to get a pointer to the function if available. - - fnIsWow64Process = (LPFN_ISWOW64PROCESS) GetProcAddress( - GetModuleHandle(TEXT("kernel32")),"IsWow64Process" ); - - if(NULL != fnIsWow64Process) - { - if (!fnIsWow64Process(GetCurrentProcess(),&bIsWow64)) - { - //handle error - } - } - return bIsWow64; -} - -static void printWindowsVersionInfo( FILE *fp ) -{ - OSVERSIONINFOEX osVersionInfoEx; - SYSTEM_INFO systemInfo; - const char *osName = "Unknown"; - const char *osProductType = ""; - const char *processorArchitecture = "Unknown"; - - memset( &osVersionInfoEx, 0, sizeof(OSVERSIONINFOEX) ); - osVersionInfoEx.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEX); - GetVersionEx( &osVersionInfoEx ); - - - if( osVersionInfoEx.dwPlatformId == VER_PLATFORM_WIN32_WINDOWS ){ - switch( osVersionInfoEx.dwMinorVersion ){ - case 0: osName = "Windows 95"; break; - case 10: osName = "Windows 98"; break; // could also be 98SE (I've seen code discriminate based - // on osInfo.Version.Revision.ToString() == "2222A") - case 90: osName = "Windows Me"; break; - } - }else if( osVersionInfoEx.dwPlatformId == VER_PLATFORM_WIN32_NT ){ - switch( osVersionInfoEx.dwMajorVersion ){ - case 3: osName = "Windows NT 3.51"; break; - case 4: osName = "Windows NT 4.0"; break; - case 5: switch( osVersionInfoEx.dwMinorVersion ){ - case 0: osName = "Windows 2000"; break; - case 1: osName = "Windows XP"; break; - case 2: - if( osVersionInfoEx.wSuiteMask & 0x00008000 /*VER_SUITE_WH_SERVER*/ ){ - osName = "Windows Home Server"; - }else{ - if( osVersionInfoEx.wProductType == VER_NT_WORKSTATION ){ - osName = "Windows XP Professional x64 Edition (?)"; - }else{ - if( GetSystemMetrics(/*SM_SERVERR2*/89) == 0 ) - osName = "Windows Server 2003"; - else - osName = "Windows Server 2003 R2"; - } - }break; - }break; - case 6:switch( osVersionInfoEx.dwMinorVersion ){ - case 0: - if( osVersionInfoEx.wProductType == VER_NT_WORKSTATION ) - osName = "Windows Vista"; - else - osName = "Windows Server 2008"; - break; - case 1: - if( osVersionInfoEx.wProductType == VER_NT_WORKSTATION ) - osName = "Windows 7"; - else - osName = "Windows Server 2008 R2"; - break; - }break; - } - } - - if(osVersionInfoEx.dwMajorVersion == 4) - { - if(osVersionInfoEx.wProductType == VER_NT_WORKSTATION) - osProductType = "Workstation"; - else if(osVersionInfoEx.wProductType == VER_NT_SERVER) - osProductType = "Server"; - } - else if(osVersionInfoEx.dwMajorVersion == 5) - { - if(osVersionInfoEx.wProductType == VER_NT_WORKSTATION) - { - if((osVersionInfoEx.wSuiteMask & VER_SUITE_PERSONAL) == VER_SUITE_PERSONAL) - osProductType = "Home Edition"; // Windows XP Home Edition - else - osProductType = "Professional"; // Windows XP / Windows 2000 Professional - } - else if(osVersionInfoEx.wProductType == VER_NT_SERVER) - { - if(osVersionInfoEx.dwMinorVersion == 0) - { - if((osVersionInfoEx.wSuiteMask & VER_SUITE_DATACENTER) == VER_SUITE_DATACENTER) - osProductType = "Datacenter Server"; // Windows 2000 Datacenter Server - else if((osVersionInfoEx.wSuiteMask & VER_SUITE_ENTERPRISE) == VER_SUITE_ENTERPRISE) - osProductType = "Advanced Server"; // Windows 2000 Advanced Server - else - osProductType = "Server"; // Windows 2000 Server - } - } - else - { - if((osVersionInfoEx.wSuiteMask & VER_SUITE_DATACENTER) == VER_SUITE_DATACENTER) - osProductType = "Datacenter Edition"; // Windows Server 2003 Datacenter Edition - else if((osVersionInfoEx.wSuiteMask & VER_SUITE_ENTERPRISE) == VER_SUITE_ENTERPRISE) - osProductType = "Enterprise Edition"; // Windows Server 2003 Enterprise Edition - else if((osVersionInfoEx.wSuiteMask & VER_SUITE_BLADE) == VER_SUITE_BLADE) - osProductType = "Web Edition"; // Windows Server 2003 Web Edition - else - osProductType = "Standard Edition"; // Windows Server 2003 Standard Edition - } - } - - memset( &systemInfo, 0, sizeof(SYSTEM_INFO) ); - GetNativeSystemInfo( &systemInfo ); - - if( systemInfo.wProcessorArchitecture == PROCESSOR_ARCHITECTURE_INTEL ) - processorArchitecture = "x86"; - else if( systemInfo.wProcessorArchitecture == PROCESSOR_ARCHITECTURE_AMD64 ) - processorArchitecture = "x64"; - else if( systemInfo.wProcessorArchitecture == PROCESSOR_ARCHITECTURE_IA64 ) - processorArchitecture = "Itanium"; - - - fprintf( fp, "OS name and edition: %s %s\n", osName, osProductType ); - fprintf( fp, "OS version: %d.%d.%d %S\n", - osVersionInfoEx.dwMajorVersion, osVersionInfoEx.dwMinorVersion, - osVersionInfoEx.dwBuildNumber, osVersionInfoEx.szCSDVersion ); - fprintf( fp, "Processor architecture: %s\n", processorArchitecture ); - fprintf( fp, "WoW64 process: %s\n", IsWow64() ? "Yes" : "No" ); -} - -static void printTimeAndDate( FILE *fp ) -{ - struct tm *local; - time_t t; - - t = time(NULL); - local = localtime(&t); - fprintf(fp, "Local time and date: %s", asctime(local)); - local = gmtime(&t); - fprintf(fp, "UTC time and date: %s", asctime(local)); -} - -/*******************************************************************/ - -typedef struct -{ - float sine[TABLE_SIZE]; - double phase; - double phaseIncrement; - volatile int fadeIn; - volatile int fadeOut; - double amp; -} -paTestData; - -static paTestData data; - -/* This routine will be called by the PortAudio engine when audio is needed. -** It may called at interrupt level on some machines so don't do anything -** that could mess up the system like calling malloc() or free(). -*/ -static int patestCallback( const void *inputBuffer, void *outputBuffer, - unsigned long framesPerBuffer, - const PaStreamCallbackTimeInfo* timeInfo, - PaStreamCallbackFlags statusFlags, - void *userData ) -{ - paTestData *data = (paTestData*)userData; - float *out = (float*)outputBuffer; - unsigned long i,j; - - (void) timeInfo; /* Prevent unused variable warnings. */ - (void) statusFlags; - (void) inputBuffer; - - for( i=0; i<framesPerBuffer; i++ ) - { - float x = data->sine[(int)data->phase]; - data->phase += data->phaseIncrement; - if( data->phase >= TABLE_SIZE ){ - data->phase -= TABLE_SIZE; - } - - x *= data->amp; - if( data->fadeIn ){ - data->amp += .001; - if( data->amp >= 1. ) - data->fadeIn = 0; - }else if( data->fadeOut ){ - if( data->amp > 0 ) - data->amp -= .001; - } - - for( j = 0; j < CHANNEL_COUNT; ++j ){ - *out++ = x; - } - } - - if( data->amp > 0 ) - return paContinue; - else - return paComplete; -} - - -#define YES 1 -#define NO 0 - - -static int playUntilKeyPress( int deviceIndex, float sampleRate, - int framesPerUserBuffer, int framesPerWmmeBuffer, int wmmeBufferCount ) -{ - PaStreamParameters outputParameters; - PaWinMmeStreamInfo wmmeStreamInfo; - PaStream *stream; - PaError err; - int c; - - outputParameters.device = deviceIndex; - outputParameters.channelCount = CHANNEL_COUNT; - outputParameters.sampleFormat = paFloat32; /* 32 bit floating point processing */ - outputParameters.suggestedLatency = 0; /*Pa_GetDeviceInfo( outputParameters.device )->defaultLowOutputLatency;*/ - outputParameters.hostApiSpecificStreamInfo = NULL; - - wmmeStreamInfo.size = sizeof(PaWinMmeStreamInfo); - wmmeStreamInfo.hostApiType = paMME; - wmmeStreamInfo.version = 1; - wmmeStreamInfo.flags = paWinMmeUseLowLevelLatencyParameters | paWinMmeDontThrottleOverloadedProcessingThread; - wmmeStreamInfo.framesPerBuffer = framesPerWmmeBuffer; - wmmeStreamInfo.bufferCount = wmmeBufferCount; - outputParameters.hostApiSpecificStreamInfo = &wmmeStreamInfo; - - err = Pa_OpenStream( - &stream, - NULL, /* no input */ - &outputParameters, - sampleRate, - framesPerUserBuffer, - paClipOff | paPrimeOutputBuffersUsingStreamCallback, /* we won't output out of range samples so don't bother clipping them */ - patestCallback, - &data ); - if( err != paNoError ) goto error; - - data.amp = 0; - data.fadeIn = 1; - data.fadeOut = 0; - data.phase = 0; - data.phaseIncrement = 15 + ((rand()%100) / 10); // randomise pitch - - err = Pa_StartStream( stream ); - if( err != paNoError ) goto error; - - - do{ - printf( "Trying buffer size %d.\nIf it sounds smooth (without clicks or glitches) press 'y', if it sounds bad press 'n' ('q' to quit)\n", framesPerWmmeBuffer ); - c = tolower(_getch()); - if( c == 'q' ){ - Pa_Terminate(); - exit(0); - } - }while( c != 'y' && c != 'n' ); - - data.fadeOut = 1; - while( Pa_IsStreamActive(stream) == 1 ) - Pa_Sleep( 100 ); - - err = Pa_StopStream( stream ); - if( err != paNoError ) goto error; - - err = Pa_CloseStream( stream ); - if( err != paNoError ) goto error; - - return (c == 'y') ? YES : NO; - -error: - return err; -} - -/*******************************************************************/ -static void usage( int wmmeHostApiIndex ) -{ - int i; - - fprintf( stderr, "PortAudio WMME output latency user guided test\n" ); - fprintf( stderr, "Usage: x.exe mme-device-index [sampleRate [min-buffer-count max-buffer-count]]\n" ); - fprintf( stderr, "Invalid device index. Use one of these:\n" ); - for( i=0; i < Pa_GetDeviceCount(); ++i ){ - - if( Pa_GetDeviceInfo(i)->hostApi == wmmeHostApiIndex && Pa_GetDeviceInfo(i)->maxOutputChannels > 0 ) - fprintf( stderr, "%d (%s)\n", i, Pa_GetDeviceInfo(i)->name ); - } - Pa_Terminate(); - exit(-1); -} - -/* - ideas: - o- could be testing with 80% CPU load - o- could test with different channel counts -*/ - -int main(int argc, char* argv[]) -{ - PaError err; - int i; - int deviceIndex; - int wmmeBufferCount, wmmeBufferSize, smallestWorkingBufferSize; - int smallestWorkingBufferingLatencyFrames; - int min, max, mid; - int testResult; - FILE *resultsFp; - int wmmeHostApiIndex; - const PaHostApiInfo *wmmeHostApiInfo; - double sampleRate = DEFAULT_SAMPLE_RATE; - int wmmeMinBufferCount = MIN_WMME_BUFFER_COUNT; - int wmmeMaxBufferCount = MAX_WMME_BUFFER_COUNT; - - err = Pa_Initialize(); - if( err != paNoError ) goto error; - - wmmeHostApiIndex = Pa_HostApiTypeIdToHostApiIndex( paMME ); - wmmeHostApiInfo = Pa_GetHostApiInfo( wmmeHostApiIndex ); - - if( argc > 5 ) - usage(wmmeHostApiIndex); - - deviceIndex = wmmeHostApiInfo->defaultOutputDevice; - if( argc >= 2 ){ - deviceIndex = -1; - if( sscanf( argv[1], "%d", &deviceIndex ) != 1 ) - usage(wmmeHostApiIndex); - if( deviceIndex < 0 || deviceIndex >= Pa_GetDeviceCount() || Pa_GetDeviceInfo(deviceIndex)->hostApi != wmmeHostApiIndex ){ - usage(wmmeHostApiIndex); - } - } - - printf( "Using device id %d (%s)\n", deviceIndex, Pa_GetDeviceInfo(deviceIndex)->name ); - - if( argc >= 3 ){ - if( sscanf( argv[2], "%lf", &sampleRate ) != 1 ) - usage(wmmeHostApiIndex); - } - - printf( "Testing with sample rate %f.\n", (float)sampleRate ); - - if( argc == 4 ){ - if( sscanf( argv[3], "%d", &wmmeMinBufferCount ) != 1 ) - usage(wmmeHostApiIndex); - wmmeMaxBufferCount = wmmeMinBufferCount; - } - - if( argc == 5 ){ - if( sscanf( argv[3], "%d", &wmmeMinBufferCount ) != 1 ) - usage(wmmeHostApiIndex); - if( sscanf( argv[4], "%d", &wmmeMaxBufferCount ) != 1 ) - usage(wmmeHostApiIndex); - } - - printf( "Testing buffer counts from %d to %d\n", wmmeMinBufferCount, wmmeMaxBufferCount ); - - - /* initialise sinusoidal wavetable */ - for( i=0; i<TABLE_SIZE; i++ ) - { - data.sine[i] = (float) sin( ((double)i/(double)TABLE_SIZE) * M_PI * 2. ); - } - - data.phase = 0; - - resultsFp = fopen( "results.txt", "at" ); - fprintf( resultsFp, "*** WMME smallest working output buffer sizes\n" ); - - printTimeAndDate( resultsFp ); - printWindowsVersionInfo( resultsFp ); - - fprintf( resultsFp, "audio device: %s\n", Pa_GetDeviceInfo( deviceIndex )->name ); - fflush( resultsFp ); - - fprintf( resultsFp, "Sample rate: %f\n", (float)sampleRate ); - fprintf( resultsFp, "Buffer count, Smallest working buffer size (frames), Smallest working buffering latency (frames), Smallest working buffering latency (Seconds)\n" ); - - for( wmmeBufferCount = wmmeMinBufferCount; wmmeBufferCount <= wmmeMaxBufferCount; ++wmmeBufferCount ){ - - printf( "Test %d of %d\n", (wmmeBufferCount - wmmeMinBufferCount) + 1, (wmmeMaxBufferCount-wmmeMinBufferCount) + 1 ); - printf( "Testing with %d buffers...\n", wmmeBufferCount ); - - /* - Binary search after Niklaus Wirth - from http://en.wikipedia.org/wiki/Binary_search_algorithm#The_algorithm - */ - min = 1; - max = (int)((sampleRate * .3) / (wmmeBufferCount-1)); //8192; /* we assume that this size works 300ms */ - smallestWorkingBufferSize = 0; - - do{ - mid = min + ((max - min) / 2); - - wmmeBufferSize = mid; - testResult = playUntilKeyPress( deviceIndex, sampleRate, wmmeBufferSize, wmmeBufferSize, wmmeBufferCount ); - - if( testResult == YES ){ - max = mid - 1; - smallestWorkingBufferSize = wmmeBufferSize; - }else{ - min = mid + 1; - } - - }while( (min <= max) && (testResult == YES || testResult == NO) ); - - smallestWorkingBufferingLatencyFrames = smallestWorkingBufferSize * (wmmeBufferCount - 1); - - printf( "Smallest working buffer size for %d buffers is: %d\n", wmmeBufferCount, smallestWorkingBufferSize ); - printf( "Corresponding to buffering latency of %d frames, or %f seconds.\n", smallestWorkingBufferingLatencyFrames, smallestWorkingBufferingLatencyFrames / sampleRate ); - - fprintf( resultsFp, "%d, %d, %d, %f\n", wmmeBufferCount, smallestWorkingBufferSize, smallestWorkingBufferingLatencyFrames, smallestWorkingBufferingLatencyFrames / sampleRate ); - fflush( resultsFp ); - } - - fprintf( resultsFp, "###\n" ); - fclose( resultsFp ); - - Pa_Terminate(); - printf("Test finished.\n"); - - return err; -error: - Pa_Terminate(); - fprintf( stderr, "An error occurred while using the portaudio stream\n" ); - fprintf( stderr, "Error number: %d\n", err ); - fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) ); - return err; -} diff --git a/portaudio/test/patest_wmme_low_level_latency_params.c b/portaudio/test/patest_wmme_low_level_latency_params.c deleted file mode 100644 index 31c8892..0000000 --- a/portaudio/test/patest_wmme_low_level_latency_params.c +++ /dev/null @@ -1,191 +0,0 @@ -/* - * $Id: $ - * Portable Audio I/O Library - * Windows MME low level buffer parameters test - * - * Copyright (c) 2007 Ross Bencina - * - * Permission is hereby granted, free of charge, to any person obtaining - * a copy of this software and associated documentation files - * (the "Software"), to deal in the Software without restriction, - * including without limitation the rights to use, copy, modify, merge, - * publish, distribute, sublicense, and/or sell copies of the Software, - * and to permit persons to whom the Software is furnished to do so, - * subject to the following conditions: - * - * The above copyright notice and this permission notice shall be - * included in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. - * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF - * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION - * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - */ - -/* - * The text above constitutes the entire PortAudio license; however, - * the PortAudio community also makes the following non-binding requests: - * - * Any person wishing to distribute modifications to the Software is - * requested to send the modifications to the original developer so that - * they can be incorporated into the canonical version. It is also - * requested that these non-binding requests be included along with the - * license above. - */ - -#include <stdio.h> -#include <math.h> - -#include <windows.h> /* required when using pa_win_wmme.h */ -#include <mmsystem.h> /* required when using pa_win_wmme.h */ - -#include "portaudio.h" -#include "pa_win_wmme.h" - -#define NUM_SECONDS (6) -#define SAMPLE_RATE (44100) - -#define WMME_FRAMES_PER_BUFFER (440) -#define WMME_BUFFER_COUNT (6) - -#define FRAMES_PER_BUFFER WMME_FRAMES_PER_BUFFER /* hardwire portaudio callback buffer size to WMME buffer size for this test */ - -#ifndef M_PI -#define M_PI (3.14159265) -#endif - -#define TABLE_SIZE (2048) - -#define CHANNEL_COUNT (2) - - -typedef struct -{ - float sine[TABLE_SIZE]; - double phase; -} -paTestData; - -/* This routine will be called by the PortAudio engine when audio is needed. -** It may called at interrupt level on some machines so don't do anything -** that could mess up the system like calling malloc() or free(). -*/ -static int patestCallback( const void *inputBuffer, void *outputBuffer, - unsigned long framesPerBuffer, - const PaStreamCallbackTimeInfo* timeInfo, - PaStreamCallbackFlags statusFlags, - void *userData ) -{ - paTestData *data = (paTestData*)userData; - float *out = (float*)outputBuffer; - unsigned long i,j; - - (void) timeInfo; /* Prevent unused variable warnings. */ - (void) statusFlags; - (void) inputBuffer; - - for( i=0; i<framesPerBuffer; i++ ) - { - float x = data->sine[(int)data->phase]; - data->phase += 20; - if( data->phase >= TABLE_SIZE ){ - data->phase -= TABLE_SIZE; - } - - for( j = 0; j < CHANNEL_COUNT; ++j ){ - *out++ = x; - } - } - - return paContinue; -} - -/*******************************************************************/ -int main(int argc, char* argv[]) -{ - PaStreamParameters outputParameters; - PaWinMmeStreamInfo wmmeStreamInfo; - PaStream *stream; - PaError err; - paTestData data; - int i; - int deviceIndex; - - printf("PortAudio Test: output a sine blip on each channel. SR = %d, BufSize = %d, Chans = %d\n", SAMPLE_RATE, FRAMES_PER_BUFFER, CHANNEL_COUNT); - - err = Pa_Initialize(); - if( err != paNoError ) goto error; - - deviceIndex = Pa_GetHostApiInfo( Pa_HostApiTypeIdToHostApiIndex( paMME ) )->defaultOutputDevice; - if( argc == 2 ){ - sscanf( argv[1], "%d", &deviceIndex ); - } - - printf( "using device id %d (%s)\n", deviceIndex, Pa_GetDeviceInfo(deviceIndex)->name ); - - /* initialise sinusoidal wavetable */ - for( i=0; i<TABLE_SIZE; i++ ) - { - data.sine[i] = (float) sin( ((double)i/(double)TABLE_SIZE) * M_PI * 2. ); - } - - data.phase = 0; - - outputParameters.device = deviceIndex; - outputParameters.channelCount = CHANNEL_COUNT; - outputParameters.sampleFormat = paFloat32; /* 32 bit floating point processing */ - outputParameters.suggestedLatency = 0; /*Pa_GetDeviceInfo( outputParameters.device )->defaultLowOutputLatency;*/ - outputParameters.hostApiSpecificStreamInfo = NULL; - - wmmeStreamInfo.size = sizeof(PaWinMmeStreamInfo); - wmmeStreamInfo.hostApiType = paMME; - wmmeStreamInfo.version = 1; - wmmeStreamInfo.flags = paWinMmeUseLowLevelLatencyParameters | paWinMmeDontThrottleOverloadedProcessingThread; - wmmeStreamInfo.framesPerBuffer = WMME_FRAMES_PER_BUFFER; - wmmeStreamInfo.bufferCount = WMME_BUFFER_COUNT; - outputParameters.hostApiSpecificStreamInfo = &wmmeStreamInfo; - - - if( Pa_IsFormatSupported( 0, &outputParameters, SAMPLE_RATE ) == paFormatIsSupported ){ - printf( "Pa_IsFormatSupported reports device will support %d channels.\n", CHANNEL_COUNT ); - }else{ - printf( "Pa_IsFormatSupported reports device will not support %d channels.\n", CHANNEL_COUNT ); - } - - err = Pa_OpenStream( - &stream, - NULL, /* no input */ - &outputParameters, - SAMPLE_RATE, - FRAMES_PER_BUFFER, - paClipOff, /* we won't output out of range samples so don't bother clipping them */ - patestCallback, - &data ); - if( err != paNoError ) goto error; - - err = Pa_StartStream( stream ); - if( err != paNoError ) goto error; - - printf("Play for %d seconds.\n", NUM_SECONDS ); - Pa_Sleep( NUM_SECONDS * 1000 ); - - err = Pa_StopStream( stream ); - if( err != paNoError ) goto error; - - err = Pa_CloseStream( stream ); - if( err != paNoError ) goto error; - - Pa_Terminate(); - printf("Test finished.\n"); - - return err; -error: - Pa_Terminate(); - fprintf( stderr, "An error occurred while using the portaudio stream\n" ); - fprintf( stderr, "Error number: %d\n", err ); - fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) ); - return err; -} diff --git a/portaudio/test/patest_write_stop.c b/portaudio/test/patest_write_stop.c deleted file mode 100644 index 855923f..0000000 --- a/portaudio/test/patest_write_stop.c +++ /dev/null @@ -1,165 +0,0 @@ -/** @file patest_write_stop.c - @brief Play a few seconds of silence followed by a few cycles of a sine wave. Tests to make sure that pa_StopStream() completes playback in blocking I/O - @author Bjorn Roche of XO Audio (www.xoaudio.com) - @author Ross Bencina - @author Phil Burk -*/ -/* - * $Id$ - * - * This program uses the PortAudio Portable Audio Library. - * For more information see: http://www.portaudio.com/ - * Copyright (c) 1999-2000 Ross Bencina and Phil Burk - * - * Permission is hereby granted, free of charge, to any person obtaining - * a copy of this software and associated documentation files - * (the "Software"), to deal in the Software without restriction, - * including without limitation the rights to use, copy, modify, merge, - * publish, distribute, sublicense, and/or sell copies of the Software, - * and to permit persons to whom the Software is furnished to do so, - * subject to the following conditions: - * - * The above copyright notice and this permission notice shall be - * included in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. - * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF - * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION - * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - */ - -/* - * The text above constitutes the entire PortAudio license; however, - * the PortAudio community also makes the following non-binding requests: - * - * Any person wishing to distribute modifications to the Software is - * requested to send the modifications to the original developer so that - * they can be incorporated into the canonical version. It is also - * requested that these non-binding requests be included along with the - * license above. - */ - -#include <stdio.h> -#include <math.h> -#include "portaudio.h" - -#define NUM_SECONDS (5) -#define SAMPLE_RATE (44100) -#define FRAMES_PER_BUFFER (1024) - -#ifndef M_PI -#define M_PI (3.14159265) -#endif - -#define TABLE_SIZE (200) - - -int main(void); -int main(void) -{ - PaStreamParameters outputParameters; - PaStream *stream; - PaError err; - float buffer[FRAMES_PER_BUFFER][2]; /* stereo output buffer */ - float sine[TABLE_SIZE]; /* sine wavetable */ - int left_phase = 0; - int right_phase = 0; - int left_inc = 1; - int right_inc = 3; /* higher pitch so we can distinguish left and right. */ - int i, j; - int bufferCount; - const int framesBy2 = FRAMES_PER_BUFFER >> 1; - const float framesBy2f = (float) framesBy2 ; - - - printf( "PortAudio Test: output silence, followed by one buffer of a ramped sine wave. SR = %d, BufSize = %d\n", - SAMPLE_RATE, FRAMES_PER_BUFFER); - - /* initialise sinusoidal wavetable */ - for( i=0; i<TABLE_SIZE; i++ ) - { - sine[i] = (float) sin( ((double)i/(double)TABLE_SIZE) * M_PI * 2. ); - } - - - err = Pa_Initialize(); - if( err != paNoError ) goto error; - - outputParameters.device = Pa_GetDefaultOutputDevice(); /* default output device */ - outputParameters.channelCount = 2; /* stereo output */ - outputParameters.sampleFormat = paFloat32; /* 32 bit floating point output */ - outputParameters.suggestedLatency = Pa_GetDeviceInfo( outputParameters.device )->defaultHighOutputLatency * 5; - outputParameters.hostApiSpecificStreamInfo = NULL; - - /* open the stream */ - err = Pa_OpenStream( - &stream, - NULL, /* no input */ - &outputParameters, - SAMPLE_RATE, - FRAMES_PER_BUFFER, - paClipOff, /* we won't output out of range samples so don't bother clipping them */ - NULL, /* no callback, use blocking API */ - NULL ); /* no callback, so no callback userData */ - if( err != paNoError ) goto error; - - /* start the stream */ - err = Pa_StartStream( stream ); - if( err != paNoError ) goto error; - - printf("Playing %d seconds of silence followed by one buffer of a ramped sinusoid.\n", NUM_SECONDS ); - - bufferCount = ((NUM_SECONDS * SAMPLE_RATE) / FRAMES_PER_BUFFER); - - /* clear buffer */ - for( j=0; j < FRAMES_PER_BUFFER; j++ ) - { - buffer[j][0] = 0; /* left */ - buffer[j][1] = 0; /* right */ - } - /* play the silent buffer a bunch o' times */ - for( i=0; i < bufferCount; i++ ) - { - err = Pa_WriteStream( stream, buffer, FRAMES_PER_BUFFER ); - if( err != paNoError ) goto error; - } - /* play a non-silent buffer once */ - for( j=0; j < FRAMES_PER_BUFFER; j++ ) - { - float ramp = 1; - if( j < framesBy2 ) - ramp = j / framesBy2f; - else - ramp = (FRAMES_PER_BUFFER - j) / framesBy2f ; - - buffer[j][0] = sine[left_phase] * ramp; /* left */ - buffer[j][1] = sine[right_phase] * ramp; /* right */ - left_phase += left_inc; - if( left_phase >= TABLE_SIZE ) left_phase -= TABLE_SIZE; - right_phase += right_inc; - if( right_phase >= TABLE_SIZE ) right_phase -= TABLE_SIZE; - } - err = Pa_WriteStream( stream, buffer, FRAMES_PER_BUFFER ); - if( err != paNoError ) goto error; - - /* stop stream, close, and terminate */ - err = Pa_StopStream( stream ); - if( err != paNoError ) goto error; - - err = Pa_CloseStream( stream ); - if( err != paNoError ) goto error; - - Pa_Terminate(); - printf("Test finished.\n"); - - return err; -error: - Pa_Terminate(); - fprintf( stderr, "An error occurred while using the portaudio stream\n" ); - fprintf( stderr, "Error number: %d\n", err ); - fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) ); - return err; -} diff --git a/portaudio/test/patest_write_stop_hang_illegal.c b/portaudio/test/patest_write_stop_hang_illegal.c deleted file mode 100644 index 3d53d4f..0000000 --- a/portaudio/test/patest_write_stop_hang_illegal.c +++ /dev/null @@ -1,168 +0,0 @@ -/** @file patest_write_stop_threads.c - @brief Call Pa_StopStream() from another thread to see if PortAudio hangs. - @author Bjorn Roche of XO Audio (www.xoaudio.com) - @author Ross Bencina - @author Phil Burk -*/ -/* - * $Id$ - * - * This program uses the PortAudio Portable Audio Library. - * For more information see: http://www.portaudio.com/ - * Copyright (c) 1999-2000 Ross Bencina and Phil Burk - * - * Permission is hereby granted, free of charge, to any person obtaining - * a copy of this software and associated documentation files - * (the "Software"), to deal in the Software without restriction, - * including without limitation the rights to use, copy, modify, merge, - * publish, distribute, sublicense, and/or sell copies of the Software, - * and to permit persons to whom the Software is furnished to do so, - * subject to the following conditions: - * - * The above copyright notice and this permission notice shall be - * included in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. - * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF - * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION - * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - */ - -/* - * The text above constitutes the entire PortAudio license; however, - * the PortAudio community also makes the following non-binding requests: - * - * Any person wishing to distribute modifications to the Software is - * requested to send the modifications to the original developer so that - * they can be incorporated into the canonical version. It is also - * requested that these non-binding requests be included along with the - * license above. - */ - -#include <stdio.h> -#include <unistd.h> -#include <math.h> -#include <memory.h> -/* pthread may only be available on Mac and Linux. */ -#include <pthread.h> -#include "portaudio.h" - -#define SAMPLE_RATE (44100) -#define FRAMES_PER_BUFFER (2048) - -static float s_buffer[FRAMES_PER_BUFFER][2]; /* stereo output buffer */ - -/** - * WARNING: PortAudio is NOT thread safe. DO NOT call PortAudio - * from multiple threads without synchronization. This test uses - * PA in an ILLEGAL WAY in order to try to flush out potential hang bugs. - * The test calls Pa_WriteStream() and Pa_StopStream() simultaneously - * from separate threads in order to try to cause Pa_StopStream() to hang. - * In the main thread we write to the stream in a loop. - * Then try stopping PA from another thread to see if it hangs. - * - * @note: Do not expect this test to pass. The test is only here - * as a debugging aid for hang bugs. Since this test uses PA in an - * illegal way, it may fail for reasons that are not PA bugs. - */ - -/* Wait awhile then abort the stream. */ -void *stop_thread_proc(void *arg) -{ - PaStream *stream = (PaStream *)arg; - PaTime time; - for (int i = 0; i < 20; i++) - { - /* ILLEGAL unsynchronised call to PA, see comment above */ - time = Pa_GetStreamTime( stream ); - printf("Stream time = %f\n", time); - fflush(stdout); - usleep(100 * 1000); - } - printf("Call Pa_StopStream()\n"); - fflush(stdout); - /* ILLEGAL unsynchronised call to PA, see comment above */ - PaError err = Pa_StopStream( stream ); - printf("Pa_StopStream() returned %d\n", err); - fflush(stdout); - - return stream; -} - -int main(void); -int main(void) -{ - PaStreamParameters outputParameters; - PaStream *stream; - PaError err; - int result; - pthread_t thread; - - printf( "PortAudio Test: output silence and stop from another thread. SR = %d, BufSize = %d\n", - SAMPLE_RATE, FRAMES_PER_BUFFER); - - err = Pa_Initialize(); - if( err != paNoError ) goto error; - - outputParameters.device = Pa_GetDefaultOutputDevice(); /* default output device */ - outputParameters.channelCount = 2; /* stereo output */ - outputParameters.sampleFormat = paFloat32; /* 32 bit floating point output */ - outputParameters.suggestedLatency = Pa_GetDeviceInfo( outputParameters.device )->defaultHighOutputLatency * 5; - outputParameters.hostApiSpecificStreamInfo = NULL; - - /* open the stream */ - err = Pa_OpenStream( - &stream, - NULL, /* no input */ - &outputParameters, - SAMPLE_RATE, - FRAMES_PER_BUFFER, - paClipOff, /* we won't output out of range samples so don't bother clipping them */ - NULL, /* no callback, use blocking API */ - NULL ); /* no callback, so no callback userData */ - if( err != paNoError ) goto error; - - result = pthread_create(&thread, NULL /* attributes */, stop_thread_proc, stream); - - /* start the stream */ - err = Pa_StartStream( stream ); - if( err != paNoError ) goto error; - - /* clear buffer */ - memset( s_buffer, 0, sizeof(s_buffer) ); - - /* play the silent buffer many times */ - while( Pa_IsStreamActive(stream) > 0 ) - { - err = Pa_WriteStream( stream, s_buffer, FRAMES_PER_BUFFER ); - printf("Pa_WriteStream returns %d = %s\n", err, Pa_GetErrorText( err )); - if( err != paNoError ) - { - err = paNoError; - break; - }; - } - - printf("Try to join the thread that called Pa_StopStream().\n"); - result = pthread_join( thread, NULL ); - printf("pthread_join returned %d\n", result); - - /* close, and terminate */ - printf("Call Pa_CloseStream\n"); - err = Pa_CloseStream( stream ); - if( err != paNoError ) goto error; - - Pa_Terminate(); - printf("Test finished.\n"); - - return err; -error: - Pa_Terminate(); - fprintf( stderr, "An error occurred while using the portaudio stream\n" ); - fprintf( stderr, "Error number: %d\n", err ); - fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) ); - return err; -} |