Mac: test adjustable number of channels.
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110043f842
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5 changed files with 74 additions and 74 deletions
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@ -49,56 +49,40 @@
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#include "portaudio.h"
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/* #define SAMPLE_RATE (17932) // Test failure to open with this value. */
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#define SAMPLE_RATE (44100)
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#define FRAMES_PER_BUFFER (1024)
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#define NUM_CHANNELS (6)
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#define NUM_SECONDS (15)
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#define SAMPLE_RATE (44100)
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#define FRAMES_PER_BUFFER (512)
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#define NUM_SECONDS (10)
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/* #define DITHER_FLAG (paDitherOff) */
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#define DITHER_FLAG (0) /**/
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/* @todo Underflow and overflow is disabled until we fix priming of blocking write. */
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#define CHECK_OVERFLOW (0)
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#define CHECK_UNDERFLOW (0)
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#define DITHER_FLAG (0)
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/* Select sample format. */
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#if 0
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#if 1
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#define PA_SAMPLE_TYPE paFloat32
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#define SAMPLE_SIZE (4)
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#define SAMPLE_SILENCE (0.0f)
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#define CLEAR(a) memset( (a), 0, FRAMES_PER_BUFFER * NUM_CHANNELS * SAMPLE_SIZE )
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#define PRINTF_S_FORMAT "%.8f"
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#elif 0
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#define PA_SAMPLE_TYPE paInt16
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#define SAMPLE_SIZE (2)
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#define SAMPLE_SILENCE (0)
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#define CLEAR(a) memset( (a), 0, FRAMES_PER_BUFFER * NUM_CHANNELS * SAMPLE_SIZE )
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#define PRINTF_S_FORMAT "%d"
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#elif 1
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#elif 0
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#define PA_SAMPLE_TYPE paInt24
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#define SAMPLE_SIZE (3)
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#define SAMPLE_SILENCE (0)
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#define CLEAR(a) memset( (a), 0, FRAMES_PER_BUFFER * NUM_CHANNELS * SAMPLE_SIZE )
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#define PRINTF_S_FORMAT "%d"
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#elif 0
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#define PA_SAMPLE_TYPE paInt8
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#define SAMPLE_SIZE (1)
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#define SAMPLE_SILENCE (0)
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#define CLEAR(a) memset( (a), 0, FRAMES_PER_BUFFER * NUM_CHANNELS * SAMPLE_SIZE )
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#define PRINTF_S_FORMAT "%d"
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#else
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#define PA_SAMPLE_TYPE paUInt8
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#define SAMPLE_SIZE (1)
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#define SAMPLE_SILENCE (128)
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#define CLEAR( a ) { \
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int i; \
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for( i=0; i<FRAMES_PER_BUFFER*NUM_CHANNELS; i++ ) \
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((unsigned char *)a)[i] = (SAMPLE_SILENCE); \
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}
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#define PRINTF_S_FORMAT "%d"
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#endif
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/*******************************************************************/
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int main(void);
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int main(void)
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@ -106,46 +90,50 @@ int main(void)
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PaStreamParameters inputParameters, outputParameters;
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PaStream *stream = NULL;
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PaError err;
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char *sampleBlock;
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const PaDeviceInfo* inputInfo;
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const PaDeviceInfo* outputInfo;
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char *sampleBlock = NULL;
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int i;
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int numBytes;
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printf("patest_read_write_wire.c\n"); fflush(stdout);
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numBytes = FRAMES_PER_BUFFER * NUM_CHANNELS * SAMPLE_SIZE ;
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sampleBlock = (char *) malloc( numBytes );
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if( sampleBlock == NULL )
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{
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printf("Could not allocate record array.\n");
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exit(1);
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}
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CLEAR( sampleBlock );
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printf("sizeof(int) = %lu\n", sizeof(int)); fflush(stdout);
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printf("sizeof(long) = %lu\n", sizeof(long)); fflush(stdout);
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err = Pa_Initialize();
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if( err != paNoError ) goto error;
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if( err != paNoError ) goto error2;
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inputParameters.device = Pa_GetDefaultInputDevice(); /* default input device */
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printf( "Input device # %d.\n", inputParameters.device );
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printf( "Input LL: %g s\n", Pa_GetDeviceInfo( inputParameters.device )->defaultLowInputLatency );
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printf( "Input HL: %g s\n", Pa_GetDeviceInfo( inputParameters.device )->defaultHighInputLatency );
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inputParameters.channelCount = NUM_CHANNELS;
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inputParameters.sampleFormat = PA_SAMPLE_TYPE;
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inputParameters.suggestedLatency = Pa_GetDeviceInfo( inputParameters.device )->defaultHighInputLatency ;
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inputParameters.hostApiSpecificStreamInfo = NULL;
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inputInfo = Pa_GetDeviceInfo( inputParameters.device );
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printf( " Name: %s\n", inputInfo->name );
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printf( " LL: %g s\n", inputInfo->defaultLowInputLatency );
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printf( " HL: %g s\n", inputInfo->defaultHighInputLatency );
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outputParameters.device = Pa_GetDefaultOutputDevice(); /* default output device */
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printf( "Output device # %d.\n", outputParameters.device );
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printf( "Output LL: %g s\n", Pa_GetDeviceInfo( outputParameters.device )->defaultLowOutputLatency );
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printf( "Output HL: %g s\n", Pa_GetDeviceInfo( outputParameters.device )->defaultHighOutputLatency );
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outputParameters.channelCount = NUM_CHANNELS;
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outputInfo = Pa_GetDeviceInfo( outputParameters.device );
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printf( " Name: %s\n", outputInfo->name );
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printf( " LL: %g s\n", outputInfo->defaultLowOutputLatency );
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printf( " HL: %g s\n", outputInfo->defaultHighOutputLatency );
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int numChannels = inputInfo->maxInputChannels < outputInfo->maxOutputChannels
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? inputInfo->maxInputChannels : outputInfo->maxOutputChannels;
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printf( "Num channels = %d.\n", numChannels );
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inputParameters.channelCount = numChannels;
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inputParameters.sampleFormat = PA_SAMPLE_TYPE;
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inputParameters.suggestedLatency = inputInfo->defaultHighInputLatency ;
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inputParameters.hostApiSpecificStreamInfo = NULL;
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outputParameters.channelCount = numChannels;
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outputParameters.sampleFormat = PA_SAMPLE_TYPE;
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outputParameters.suggestedLatency = Pa_GetDeviceInfo( outputParameters.device )->defaultHighOutputLatency;
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outputParameters.suggestedLatency = outputInfo->defaultHighOutputLatency;
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outputParameters.hostApiSpecificStreamInfo = NULL;
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/* -- setup -- */
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err = Pa_OpenStream(
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err = Pa_OpenStream(
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&stream,
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&inputParameters,
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&outputParameters,
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@ -154,21 +142,33 @@ int main(void)
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paClipOff, /* we won't output out of range samples so don't bother clipping them */
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NULL, /* no callback, use blocking API */
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NULL ); /* no callback, so no callback userData */
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if( err != paNoError ) goto error;
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if( err != paNoError ) goto error2;
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numBytes = FRAMES_PER_BUFFER * numChannels * SAMPLE_SIZE ;
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sampleBlock = (char *) malloc( numBytes );
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if( sampleBlock == NULL )
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{
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printf("Could not allocate record array.\n");
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goto error1;
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}
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memset( sampleBlock, SAMPLE_SILENCE, numBytes );
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err = Pa_StartStream( stream );
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if( err != paNoError ) goto error;
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if( err != paNoError ) goto error1;
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printf("Wire on. Will run %d seconds.\n", NUM_SECONDS); fflush(stdout);
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for( i=0; i<(NUM_SECONDS*SAMPLE_RATE)/FRAMES_PER_BUFFER; ++i )
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{
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err = Pa_WriteStream( stream, sampleBlock, FRAMES_PER_BUFFER );
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if( err && CHECK_UNDERFLOW ) goto xrun;
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err = Pa_ReadStream( stream, sampleBlock, FRAMES_PER_BUFFER );
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if( err && CHECK_OVERFLOW ) goto xrun;
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// You may get underruns or overruns if the output is not primed by PortAudio.
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err = Pa_WriteStream( stream, sampleBlock, FRAMES_PER_BUFFER );
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if( err ) goto xrun;
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err = Pa_ReadStream( stream, sampleBlock, FRAMES_PER_BUFFER );
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if( err ) goto xrun;
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}
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printf("Wire off.\n"); fflush(stdout);
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err = Pa_StopStream( stream );
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if( err != paNoError ) goto error;
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if( err != paNoError ) goto error1;
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free( sampleBlock );
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@ -176,6 +176,7 @@ int main(void)
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return 0;
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xrun:
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printf("err = %d\n", err); fflush(stdout);
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if( stream ) {
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Pa_AbortStream( stream );
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Pa_CloseStream( stream );
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@ -187,13 +188,13 @@ xrun:
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if( err & paOutputUnderflow )
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fprintf( stderr, "Output Underflow.\n" );
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return -2;
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error:
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error1:
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free( sampleBlock );
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error2:
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if( stream ) {
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Pa_AbortStream( stream );
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Pa_CloseStream( stream );
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}
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free( sampleBlock );
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Pa_Terminate();
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fprintf( stderr, "An error occured while using the portaudio stream\n" );
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fprintf( stderr, "Error number: %d\n", err );
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@ -231,7 +231,7 @@ static void TestDevices( int mode )
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88200.0, 96000.0,
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-1.0 }; /* Negative terminated list. */
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int numDevices = Pa_GetDeviceCount();
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for( id=0; id<numDevices; id++ ) /* Iterate through all devices. */
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for( id=3; id<numDevices; id++ ) /* Iterate through all devices. */
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{
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pdi = Pa_GetDeviceInfo( id );
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/* Try 1 to maxChannels on each device. */
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@ -239,13 +239,13 @@ static void TestDevices( int mode )
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if( maxChannels > MAX_TEST_CHANNELS )
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maxChannels = MAX_TEST_CHANNELS;
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for( jc=1; jc<=maxChannels; jc++ )
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for( jc=4; jc<=maxChannels; jc++ )
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{
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printf("\n========================================================================\n");
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printf(" Device = %s\n", pdi->name );
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printf("========================================================================\n");
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/* Try each standard sample rate. */
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for( i=0; standardSampleRates[i] > 0; i++ )
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for( i=9; standardSampleRates[i] > 0; i++ )
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{
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TestFormats( mode, (PaDeviceIndex)id, standardSampleRates[i], jc );
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}
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@ -258,8 +258,8 @@ static void TestFormats( int mode, PaDeviceIndex deviceID, double sampleRate,
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int numChannels )
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{
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TestAdvance( mode, deviceID, sampleRate, numChannels, paFloat32 );
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TestAdvance( mode, deviceID, sampleRate, numChannels, paInt16 );
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TestAdvance( mode, deviceID, sampleRate, numChannels, paInt32 );
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// TestAdvance( mode, deviceID, sampleRate, numChannels, paInt16 );
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// TestAdvance( mode, deviceID, sampleRate, numChannels, paInt32 );
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/* TestAdvance( mode, deviceID, sampleRate, numChannels, paInt24 ); */
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}
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@ -456,9 +456,9 @@ PaError ReadStream( PaStream* stream,
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}
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} while( framesAvailable == 0 );
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framesToTransfer = MIN( framesAvailable, framesRequested );
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PaUtil_ReadRingBuffer( &blio->inputRingBuffer, (void *)cbuf, framesToTransfer );
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cbuf += framesToTransfer * blio->inputSampleSizeActual * blio->inChan;
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framesRequested -= framesToTransfer;
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framesTransferred = PaUtil_ReadRingBuffer( &blio->inputRingBuffer, (void *)cbuf, framesToTransfer );
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cbuf += framesTransferred * blio->inputSampleSizeActual * blio->inChan;
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framesRequested -= framesTransferred;
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if( framesToTransfer == framesAvailable ) {
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#ifdef PA_MAC_BLIO_MUTEX
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@ -509,7 +509,6 @@ PaError WriteStream( PaStream* stream,
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ring_buffer_size_t framesToTransfer;
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ring_buffer_size_t framesTransferred;
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do {
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framesAvailable = PaUtil_GetRingBufferWriteAvailable( &blio->outputRingBuffer );
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/*
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@ -538,9 +537,9 @@ PaError WriteStream( PaStream* stream,
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} while( framesAvailable == 0 );
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framesToTransfer = MIN( framesAvailable, framesRequested );
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PaUtil_WriteRingBuffer( &blio->outputRingBuffer, (void *)cbuf, framesToTransfer );
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cbuf += framesToTransfer * blio->outputSampleSizeActual * blio->outChan;
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framesRequested -= framesToTransfer;
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framesTransferred = PaUtil_WriteRingBuffer( &blio->outputRingBuffer, (void *)cbuf, framesToTransfer );
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cbuf += framesTransferred * blio->outputSampleSizeActual * blio->outChan;
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framesRequested -= framesTransferred;
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#ifdef PA_MAC_BLIO_MUTEX
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if( framesToTransfer == framesAvailable ) {
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@ -46,8 +46,8 @@
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#include <math.h>
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#include "portaudio.h"
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#define MAX_SINES (500)
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#define MAX_USAGE (0.8)
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#define MAX_SINES (2000)
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#define MAX_USAGE (0.5)
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#define SAMPLE_RATE (44100)
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#define FREQ_TO_PHASE_INC(freq) (freq/(float)SAMPLE_RATE)
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@ -60,7 +60,7 @@
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#endif
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#define TWOPI (M_PI * 2.0)
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#define TABLE_SIZE (512)
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#define TABLE_SIZE (1024)
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typedef struct paTestData
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{
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@ -70,7 +70,7 @@ typedef struct paTestData
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}
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paTestData;
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/* Convert phase between and 1.0 to sine value
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/* Convert phase between 0.0 and 1.0 to sine value
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* using linear interpolation.
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*/
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float LookupSine( paTestData *data, float phase );
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@ -187,14 +187,14 @@ int main(void)
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/* Play an increasing number of sine waves until we hit MAX_USAGE */
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do {
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data.numSines++;
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data.numSines += 10;
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Pa_Sleep(200);
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load = Pa_GetStreamCpuLoad(stream);
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printf("numSines = %d, CPU load = %f\n", data.numSines, load );
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fflush(stdout);
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} while((load < MAX_USAGE) && (data.numSines < MAX_SINES));
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Pa_Sleep(2000); /* Stay for 2 seconds around 80% CPU. */
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Pa_Sleep(2000); /* Stay for 2 seconds at max CPU. */
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err = Pa_StopStream( stream );
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if( err != paNoError )
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@ -47,7 +47,7 @@
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#include "portaudio.h"
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#define SAMPLE_RATE (44100)
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#define FRAMES_PER_BUFFER (256)
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#define FRAMES_PER_BUFFER (128)
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#define FREQ_INCR (300.0 / SAMPLE_RATE)
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#define MAX_CHANNELS (64)
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