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Diffstat (limited to 'portaudio/test/patest_callbackstop.c')
| -rw-r--r-- | portaudio/test/patest_callbackstop.c | 252 |
1 files changed, 0 insertions, 252 deletions
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; -} |