summaryrefslogtreecommitdiff
path: root/portaudio/test/patest_many.c
diff options
context:
space:
mode:
Diffstat (limited to 'portaudio/test/patest_many.c')
-rw-r--r--portaudio/test/patest_many.c210
1 files changed, 0 insertions, 210 deletions
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;
-}
generated by cgit v1.2.1 (git 2.18.0) at 2024-11-01 02:27:26 +0000