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Introduce end-of-line normalization

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Ensures that all files that Git considers to be text will have
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This commit is contained in:
Benjamin Drung
2016-05-16 21:31:38 +02:00
parent 8d360fe5f3
commit 787f2afd10
535 changed files with 107946 additions and 107944 deletions
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442
lib-src/portaudio-v19/examples/paex_read_write_wire.c
View File

@@ -1,221 +1,221 @@
/** @file paex_read_write_wire.c
@ingroup examples_src
@brief Tests full duplex blocking I/O by passing input straight to output.
@author Bjorn Roche. XO Audio LLC for Z-Systems Engineering.
@author based on code by: Phil Burk http://www.softsynth.com
@author based on code by: Ross Bencina rossb@audiomulch.com
*/
/*
* $Id: patest_read_record.c 757 2004-02-13 07:48:10Z 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 <stdlib.h>
#include <string.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_CHANNELS (2)
#define NUM_SECONDS (15)
/* #define DITHER_FLAG (paDitherOff) */
#define DITHER_FLAG (0) /**/
/* @todo Underflow and overflow is disabled until we fix priming of blocking write. */
#define CHECK_OVERFLOW (0)
#define CHECK_UNDERFLOW (0)
/* Select sample format. */
#if 0
#define PA_SAMPLE_TYPE paFloat32
#define SAMPLE_SIZE (4)
#define SAMPLE_SILENCE (0.0f)
#define CLEAR(a) memset( (a), 0, FRAMES_PER_BUFFER * NUM_CHANNELS * SAMPLE_SIZE )
#define PRINTF_S_FORMAT "%.8f"
#elif 0
#define PA_SAMPLE_TYPE paInt16
#define SAMPLE_SIZE (2)
#define SAMPLE_SILENCE (0)
#define CLEAR(a) memset( (a), 0, FRAMES_PER_BUFFER * NUM_CHANNELS * SAMPLE_SIZE )
#define PRINTF_S_FORMAT "%d"
#elif 1
#define PA_SAMPLE_TYPE paInt24
#define SAMPLE_SIZE (3)
#define SAMPLE_SILENCE (0)
#define CLEAR(a) memset( (a), 0, FRAMES_PER_BUFFER * NUM_CHANNELS * SAMPLE_SIZE )
#define PRINTF_S_FORMAT "%d"
#elif 0
#define PA_SAMPLE_TYPE paInt8
#define SAMPLE_SIZE (1)
#define SAMPLE_SILENCE (0)
#define CLEAR(a) memset( (a), 0, FRAMES_PER_BUFFER * NUM_CHANNELS * SAMPLE_SIZE )
#define PRINTF_S_FORMAT "%d"
#else
#define PA_SAMPLE_TYPE paUInt8
#define SAMPLE_SIZE (1)
#define SAMPLE_SILENCE (128)
#define CLEAR( a ) { \
int i; \
for( i=0; i<FRAMES_PER_BUFFER*NUM_CHANNELS; i++ ) \
((unsigned char *)a)[i] = (SAMPLE_SILENCE); \
}
#define PRINTF_S_FORMAT "%d"
#endif
/*******************************************************************/
int main(void);
int main(void)
{
PaStreamParameters inputParameters, outputParameters;
PaStream *stream = NULL;
PaError err;
char *sampleBlock;
int i;
int numBytes;
printf("patest_read_write_wire.c\n"); fflush(stdout);
numBytes = FRAMES_PER_BUFFER * NUM_CHANNELS * SAMPLE_SIZE ;
sampleBlock = (char *) malloc( numBytes );
if( sampleBlock == NULL )
{
printf("Could not allocate record array.\n");
exit(1);
}
CLEAR( sampleBlock );
err = Pa_Initialize();
if( err != paNoError ) goto error;
inputParameters.device = Pa_GetDefaultInputDevice(); /* default input device */
printf( "Input device # %d.\n", inputParameters.device );
printf( "Input LL: %g s\n", Pa_GetDeviceInfo( inputParameters.device )->defaultLowInputLatency );
printf( "Input HL: %g s\n", Pa_GetDeviceInfo( inputParameters.device )->defaultHighInputLatency );
inputParameters.channelCount = NUM_CHANNELS;
inputParameters.sampleFormat = PA_SAMPLE_TYPE;
inputParameters.suggestedLatency = Pa_GetDeviceInfo( inputParameters.device )->defaultHighInputLatency ;
inputParameters.hostApiSpecificStreamInfo = NULL;
outputParameters.device = Pa_GetDefaultOutputDevice(); /* default output device */
printf( "Output device # %d.\n", outputParameters.device );
printf( "Output LL: %g s\n", Pa_GetDeviceInfo( outputParameters.device )->defaultLowOutputLatency );
printf( "Output HL: %g s\n", Pa_GetDeviceInfo( outputParameters.device )->defaultHighOutputLatency );
outputParameters.channelCount = NUM_CHANNELS;
outputParameters.sampleFormat = PA_SAMPLE_TYPE;
outputParameters.suggestedLatency = Pa_GetDeviceInfo( outputParameters.device )->defaultHighOutputLatency;
outputParameters.hostApiSpecificStreamInfo = NULL;
/* -- setup -- */
err = Pa_OpenStream(
&stream,
&inputParameters,
&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("Wire on. Will run %d seconds.\n", NUM_SECONDS); fflush(stdout);
for( i=0; i<(NUM_SECONDS*SAMPLE_RATE)/FRAMES_PER_BUFFER; ++i )
{
err = Pa_WriteStream( stream, sampleBlock, FRAMES_PER_BUFFER );
if( err && CHECK_UNDERFLOW ) goto xrun;
err = Pa_ReadStream( stream, sampleBlock, FRAMES_PER_BUFFER );
if( err && CHECK_OVERFLOW ) goto xrun;
}
err = Pa_StopStream( stream );
if( err != paNoError ) goto error;
CLEAR( sampleBlock );
/*
err = Pa_StartStream( stream );
if( err != paNoError ) goto error;
printf("Wire on. Interrupt to stop.\n"); fflush(stdout);
while( 1 )
{
err = Pa_WriteStream( stream, sampleBlock, FRAMES_PER_BUFFER );
if( err ) goto xrun;
err = Pa_ReadStream( stream, sampleBlock, FRAMES_PER_BUFFER );
if( err ) goto xrun;
}
err = Pa_StopStream( stream );
if( err != paNoError ) goto error;
Pa_CloseStream( stream );
*/
free( sampleBlock );
Pa_Terminate();
return 0;
xrun:
if( stream ) {
Pa_AbortStream( stream );
Pa_CloseStream( stream );
}
free( sampleBlock );
Pa_Terminate();
if( err & paInputOverflow )
fprintf( stderr, "Input Overflow.\n" );
if( err & paOutputUnderflow )
fprintf( stderr, "Output Underflow.\n" );
return -2;
error:
if( stream ) {
Pa_AbortStream( stream );
Pa_CloseStream( stream );
}
free( sampleBlock );
Pa_Terminate();
fprintf( stderr, "An error occured while using the portaudio stream\n" );
fprintf( stderr, "Error number: %d\n", err );
fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) );
return -1;
}
/** @file paex_read_write_wire.c
@ingroup examples_src
@brief Tests full duplex blocking I/O by passing input straight to output.
@author Bjorn Roche. XO Audio LLC for Z-Systems Engineering.
@author based on code by: Phil Burk http://www.softsynth.com
@author based on code by: Ross Bencina rossb@audiomulch.com
*/
/*
* $Id: patest_read_record.c 757 2004-02-13 07:48:10Z 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 <stdlib.h>
#include <string.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_CHANNELS (2)
#define NUM_SECONDS (15)
/* #define DITHER_FLAG (paDitherOff) */
#define DITHER_FLAG (0) /**/
/* @todo Underflow and overflow is disabled until we fix priming of blocking write. */
#define CHECK_OVERFLOW (0)
#define CHECK_UNDERFLOW (0)
/* Select sample format. */
#if 0
#define PA_SAMPLE_TYPE paFloat32
#define SAMPLE_SIZE (4)
#define SAMPLE_SILENCE (0.0f)
#define CLEAR(a) memset( (a), 0, FRAMES_PER_BUFFER * NUM_CHANNELS * SAMPLE_SIZE )
#define PRINTF_S_FORMAT "%.8f"
#elif 0
#define PA_SAMPLE_TYPE paInt16
#define SAMPLE_SIZE (2)
#define SAMPLE_SILENCE (0)
#define CLEAR(a) memset( (a), 0, FRAMES_PER_BUFFER * NUM_CHANNELS * SAMPLE_SIZE )
#define PRINTF_S_FORMAT "%d"
#elif 1
#define PA_SAMPLE_TYPE paInt24
#define SAMPLE_SIZE (3)
#define SAMPLE_SILENCE (0)
#define CLEAR(a) memset( (a), 0, FRAMES_PER_BUFFER * NUM_CHANNELS * SAMPLE_SIZE )
#define PRINTF_S_FORMAT "%d"
#elif 0
#define PA_SAMPLE_TYPE paInt8
#define SAMPLE_SIZE (1)
#define SAMPLE_SILENCE (0)
#define CLEAR(a) memset( (a), 0, FRAMES_PER_BUFFER * NUM_CHANNELS * SAMPLE_SIZE )
#define PRINTF_S_FORMAT "%d"
#else
#define PA_SAMPLE_TYPE paUInt8
#define SAMPLE_SIZE (1)
#define SAMPLE_SILENCE (128)
#define CLEAR( a ) { \
int i; \
for( i=0; i<FRAMES_PER_BUFFER*NUM_CHANNELS; i++ ) \
((unsigned char *)a)[i] = (SAMPLE_SILENCE); \
}
#define PRINTF_S_FORMAT "%d"
#endif
/*******************************************************************/
int main(void);
int main(void)
{
PaStreamParameters inputParameters, outputParameters;
PaStream *stream = NULL;
PaError err;
char *sampleBlock;
int i;
int numBytes;
printf("patest_read_write_wire.c\n"); fflush(stdout);
numBytes = FRAMES_PER_BUFFER * NUM_CHANNELS * SAMPLE_SIZE ;
sampleBlock = (char *) malloc( numBytes );
if( sampleBlock == NULL )
{
printf("Could not allocate record array.\n");
exit(1);
}
CLEAR( sampleBlock );
err = Pa_Initialize();
if( err != paNoError ) goto error;
inputParameters.device = Pa_GetDefaultInputDevice(); /* default input device */
printf( "Input device # %d.\n", inputParameters.device );
printf( "Input LL: %g s\n", Pa_GetDeviceInfo( inputParameters.device )->defaultLowInputLatency );
printf( "Input HL: %g s\n", Pa_GetDeviceInfo( inputParameters.device )->defaultHighInputLatency );
inputParameters.channelCount = NUM_CHANNELS;
inputParameters.sampleFormat = PA_SAMPLE_TYPE;
inputParameters.suggestedLatency = Pa_GetDeviceInfo( inputParameters.device )->defaultHighInputLatency ;
inputParameters.hostApiSpecificStreamInfo = NULL;
outputParameters.device = Pa_GetDefaultOutputDevice(); /* default output device */
printf( "Output device # %d.\n", outputParameters.device );
printf( "Output LL: %g s\n", Pa_GetDeviceInfo( outputParameters.device )->defaultLowOutputLatency );
printf( "Output HL: %g s\n", Pa_GetDeviceInfo( outputParameters.device )->defaultHighOutputLatency );
outputParameters.channelCount = NUM_CHANNELS;
outputParameters.sampleFormat = PA_SAMPLE_TYPE;
outputParameters.suggestedLatency = Pa_GetDeviceInfo( outputParameters.device )->defaultHighOutputLatency;
outputParameters.hostApiSpecificStreamInfo = NULL;
/* -- setup -- */
err = Pa_OpenStream(
&stream,
&inputParameters,
&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("Wire on. Will run %d seconds.\n", NUM_SECONDS); fflush(stdout);
for( i=0; i<(NUM_SECONDS*SAMPLE_RATE)/FRAMES_PER_BUFFER; ++i )
{
err = Pa_WriteStream( stream, sampleBlock, FRAMES_PER_BUFFER );
if( err && CHECK_UNDERFLOW ) goto xrun;
err = Pa_ReadStream( stream, sampleBlock, FRAMES_PER_BUFFER );
if( err && CHECK_OVERFLOW ) goto xrun;
}
err = Pa_StopStream( stream );
if( err != paNoError ) goto error;
CLEAR( sampleBlock );
/*
err = Pa_StartStream( stream );
if( err != paNoError ) goto error;
printf("Wire on. Interrupt to stop.\n"); fflush(stdout);
while( 1 )
{
err = Pa_WriteStream( stream, sampleBlock, FRAMES_PER_BUFFER );
if( err ) goto xrun;
err = Pa_ReadStream( stream, sampleBlock, FRAMES_PER_BUFFER );
if( err ) goto xrun;
}
err = Pa_StopStream( stream );
if( err != paNoError ) goto error;
Pa_CloseStream( stream );
*/
free( sampleBlock );
Pa_Terminate();
return 0;
xrun:
if( stream ) {
Pa_AbortStream( stream );
Pa_CloseStream( stream );
}
free( sampleBlock );
Pa_Terminate();
if( err & paInputOverflow )
fprintf( stderr, "Input Overflow.\n" );
if( err & paOutputUnderflow )
fprintf( stderr, "Output Underflow.\n" );
return -2;
error:
if( stream ) {
Pa_AbortStream( stream );
Pa_CloseStream( stream );
}
free( sampleBlock );
Pa_Terminate();
fprintf( stderr, "An error occured while using the portaudio stream\n" );
fprintf( stderr, "Error number: %d\n", err );
fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) );
return -1;
}

906
lib-src/portaudio-v19/examples/paex_record_file.c
View File

@@ -1,453 +1,453 @@
/** @file paex_record_file.c
@ingroup examples_src
@brief Record input into a file, then playback recorded data from file (Windows only at the moment)
@author Robert Bielik
*/
/*
* $Id: paex_record_file.c 1752 2011-09-08 03:21:55Z philburk $
*
* 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"
#include "pa_ringbuffer.h"
#include "pa_util.h"
#ifdef _WIN32
#include <windows.h>
#include <process.h>
#endif
/* #define SAMPLE_RATE (17932) // Test failure to open with this value. */
#define FILE_NAME "audio_data.raw"
#define SAMPLE_RATE (44100)
#define FRAMES_PER_BUFFER (512)
#define NUM_SECONDS (10)
#define NUM_CHANNELS (2)
#define NUM_WRITES_PER_BUFFER (4)
/* #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
typedef struct
{
unsigned frameIndex;
int threadSyncFlag;
SAMPLE *ringBufferData;
PaUtilRingBuffer ringBuffer;
FILE *file;
void *threadHandle;
}
paTestData;
/* This routine is run in a separate thread to write data from the ring buffer into a file (during Recording) */
static int threadFunctionWriteToRawFile(void* ptr)
{
paTestData* pData = (paTestData*)ptr;
/* Mark thread started */
pData->threadSyncFlag = 0;
while (1)
{
ring_buffer_size_t elementsInBuffer = PaUtil_GetRingBufferReadAvailable(&pData->ringBuffer);
if ( (elementsInBuffer >= pData->ringBuffer.bufferSize / NUM_WRITES_PER_BUFFER) ||
pData->threadSyncFlag )
{
void* ptr[2] = {0};
ring_buffer_size_t sizes[2] = {0};
/* By using PaUtil_GetRingBufferReadRegions, we can read directly from the ring buffer */
ring_buffer_size_t elementsRead = PaUtil_GetRingBufferReadRegions(&pData->ringBuffer, elementsInBuffer, ptr + 0, sizes + 0, ptr + 1, sizes + 1);
if (elementsRead > 0)
{
int i;
for (i = 0; i < 2 && ptr[i] != NULL; ++i)
{
fwrite(ptr[i], pData->ringBuffer.elementSizeBytes, sizes[i], pData->file);
}
PaUtil_AdvanceRingBufferReadIndex(&pData->ringBuffer, elementsRead);
}
if (pData->threadSyncFlag)
{
break;
}
}
/* Sleep a little while... */
Pa_Sleep(20);
}
pData->threadSyncFlag = 0;
return 0;
}
/* This routine is run in a separate thread to read data from file into the ring buffer (during Playback). When the file
has reached EOF, a flag is set so that the play PA callback can return paComplete */
static int threadFunctionReadFromRawFile(void* ptr)
{
paTestData* pData = (paTestData*)ptr;
while (1)
{
ring_buffer_size_t elementsInBuffer = PaUtil_GetRingBufferWriteAvailable(&pData->ringBuffer);
if (elementsInBuffer >= pData->ringBuffer.bufferSize / NUM_WRITES_PER_BUFFER)
{
void* ptr[2] = {0};
ring_buffer_size_t sizes[2] = {0};
/* By using PaUtil_GetRingBufferWriteRegions, we can write directly into the ring buffer */
PaUtil_GetRingBufferWriteRegions(&pData->ringBuffer, elementsInBuffer, ptr + 0, sizes + 0, ptr + 1, sizes + 1);
if (!feof(pData->file))
{
ring_buffer_size_t itemsReadFromFile = 0;
int i;
for (i = 0; i < 2 && ptr[i] != NULL; ++i)
{
itemsReadFromFile += (ring_buffer_size_t)fread(ptr[i], pData->ringBuffer.elementSizeBytes, sizes[i], pData->file);
}
PaUtil_AdvanceRingBufferWriteIndex(&pData->ringBuffer, itemsReadFromFile);
/* Mark thread started here, that way we "prime" the ring buffer before playback */
pData->threadSyncFlag = 0;
}
else
{
/* No more data to read */
pData->threadSyncFlag = 1;
break;
}
}
/* Sleep a little while... */
Pa_Sleep(20);
}
return 0;
}
typedef int (*ThreadFunctionType)(void*);
/* Start up a new thread in the given function, at the moment only Windows, but should be very easy to extend
to posix type OSs (Linux/Mac) */
static PaError startThread( paTestData* pData, ThreadFunctionType fn )
{
#ifdef _WIN32
typedef unsigned (__stdcall* WinThreadFunctionType)(void*);
pData->threadHandle = (void*)_beginthreadex(NULL, 0, (WinThreadFunctionType)fn, pData, CREATE_SUSPENDED, NULL);
if (pData->threadHandle == NULL) return paUnanticipatedHostError;
/* Set file thread to a little higher prio than normal */
SetThreadPriority(pData->threadHandle, THREAD_PRIORITY_ABOVE_NORMAL);
/* Start it up */
pData->threadSyncFlag = 1;
ResumeThread(pData->threadHandle);
#endif
/* Wait for thread to startup */
while (pData->threadSyncFlag) {
Pa_Sleep(10);
}
return paNoError;
}
static int stopThread( paTestData* pData )
{
pData->threadSyncFlag = 1;
/* Wait for thread to stop */
while (pData->threadSyncFlag) {
Pa_Sleep(10);
}
#ifdef _WIN32
CloseHandle(pData->threadHandle);
pData->threadHandle = 0;
#endif
return paNoError;
}
/* 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 recordCallback( const void *inputBuffer, void *outputBuffer,
unsigned long framesPerBuffer,
const PaStreamCallbackTimeInfo* timeInfo,
PaStreamCallbackFlags statusFlags,
void *userData )
{
paTestData *data = (paTestData*)userData;
ring_buffer_size_t elementsWriteable = PaUtil_GetRingBufferWriteAvailable(&data->ringBuffer);
ring_buffer_size_t elementsToWrite = min(elementsWriteable, (ring_buffer_size_t)(framesPerBuffer * NUM_CHANNELS));
const SAMPLE *rptr = (const SAMPLE*)inputBuffer;
(void) outputBuffer; /* Prevent unused variable warnings. */
(void) timeInfo;
(void) statusFlags;
(void) userData;
data->frameIndex += PaUtil_WriteRingBuffer(&data->ringBuffer, rptr, elementsToWrite);
return paContinue;
}
/* 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 playCallback( const void *inputBuffer, void *outputBuffer,
unsigned long framesPerBuffer,
const PaStreamCallbackTimeInfo* timeInfo,
PaStreamCallbackFlags statusFlags,
void *userData )
{
paTestData *data = (paTestData*)userData;
ring_buffer_size_t elementsToPlay = PaUtil_GetRingBufferReadAvailable(&data->ringBuffer);
ring_buffer_size_t elementsToRead = min(elementsToPlay, (ring_buffer_size_t)(framesPerBuffer * NUM_CHANNELS));
SAMPLE* wptr = (SAMPLE*)outputBuffer;
(void) inputBuffer; /* Prevent unused variable warnings. */
(void) timeInfo;
(void) statusFlags;
(void) userData;
data->frameIndex += PaUtil_ReadRingBuffer(&data->ringBuffer, wptr, elementsToRead);
return data->threadSyncFlag ? paComplete : paContinue;
}
static unsigned NextPowerOf2(unsigned val)
{
val--;
val = (val >> 1) | val;
val = (val >> 2) | val;
val = (val >> 4) | val;
val = (val >> 8) | val;
val = (val >> 16) | val;
return ++val;
}
/*******************************************************************/
int main(void);
int main(void)
{
PaStreamParameters inputParameters,
outputParameters;
PaStream* stream;
PaError err = paNoError;
paTestData data = {0};
unsigned delayCntr;
unsigned numSamples;
unsigned numBytes;
printf("patest_record.c\n"); fflush(stdout);
/* We set the ring buffer size to about 500 ms */
numSamples = NextPowerOf2((unsigned)(SAMPLE_RATE * 0.5 * NUM_CHANNELS));
numBytes = numSamples * sizeof(SAMPLE);
data.ringBufferData = (SAMPLE *) PaUtil_AllocateMemory( numBytes );
if( data.ringBufferData == NULL )
{
printf("Could not allocate ring buffer data.\n");
goto done;
}
if (PaUtil_InitializeRingBuffer(&data.ringBuffer, sizeof(SAMPLE), numSamples, data.ringBufferData) < 0)
{
printf("Failed to initialize ring buffer. Size is not power of 2 ??\n");
goto done;
}
err = Pa_Initialize();
if( err != paNoError ) goto done;
inputParameters.device = Pa_GetDefaultInputDevice(); /* default input device */
if (inputParameters.device == paNoDevice) {
fprintf(stderr,"Error: No default input device.\n");
goto done;
}
inputParameters.channelCount = 2; /* stereo input */
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 */
recordCallback,
&data );
if( err != paNoError ) goto done;
/* Open the raw audio 'cache' file... */
data.file = fopen(FILE_NAME, "wb");
if (data.file == 0) goto done;
/* Start the file writing thread */
err = startThread(&data, threadFunctionWriteToRawFile);
if( err != paNoError ) goto done;
err = Pa_StartStream( stream );
if( err != paNoError ) goto done;
printf("\n=== Now recording to '" FILE_NAME "' for %d seconds!! Please speak into the microphone. ===\n", NUM_SECONDS); fflush(stdout);
/* Note that the RECORDING part is limited with TIME, not size of the file and/or buffer, so you can
increase NUM_SECONDS until you run out of disk */
delayCntr = 0;
while( delayCntr++ < NUM_SECONDS )
{
printf("index = %d\n", data.frameIndex ); fflush(stdout);
Pa_Sleep(1000);
}
if( err < 0 ) goto done;
err = Pa_CloseStream( stream );
if( err != paNoError ) goto done;
/* Stop the thread */
err = stopThread(&data);
if( err != paNoError ) goto done;
/* Close file */
fclose(data.file);
data.file = 0;
/* Playback recorded data. -------------------------------------------- */
data.frameIndex = 0;
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 = PA_SAMPLE_TYPE;
outputParameters.suggestedLatency = Pa_GetDeviceInfo( outputParameters.device )->defaultLowOutputLatency;
outputParameters.hostApiSpecificStreamInfo = NULL;
printf("\n=== Now playing back from file '" FILE_NAME "' until end-of-file is reached ===\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 */
playCallback,
&data );
if( err != paNoError ) goto done;
if( stream )
{
/* Open file again for reading */
data.file = fopen(FILE_NAME, "rb");
if (data.file != 0)
{
/* Start the file reading thread */
err = startThread(&data, threadFunctionReadFromRawFile);
if( err != paNoError ) goto done;
err = Pa_StartStream( stream );
if( err != paNoError ) goto done;
printf("Waiting for playback to finish.\n"); fflush(stdout);
/* The playback will end when EOF is reached */
while( ( err = Pa_IsStreamActive( stream ) ) == 1 ) {
printf("index = %d\n", data.frameIndex ); fflush(stdout);
Pa_Sleep(1000);
}
if( err < 0 ) goto done;
}
err = Pa_CloseStream( stream );
if( err != paNoError ) goto done;
fclose(data.file);
printf("Done.\n"); fflush(stdout);
}
done:
Pa_Terminate();
if( data.ringBufferData ) /* Sure it is NULL or valid. */
PaUtil_FreeMemory( data.ringBufferData );
if( err != paNoError )
{
fprintf( stderr, "An error occured while using the portaudio stream\n" );
fprintf( stderr, "Error number: %d\n", err );
fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) );
err = 1; /* Always return 0 or 1, but no other return codes. */
}
return err;
}
/** @file paex_record_file.c
@ingroup examples_src
@brief Record input into a file, then playback recorded data from file (Windows only at the moment)
@author Robert Bielik
*/
/*
* $Id: paex_record_file.c 1752 2011-09-08 03:21:55Z philburk $
*
* 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"
#include "pa_ringbuffer.h"
#include "pa_util.h"
#ifdef _WIN32
#include <windows.h>
#include <process.h>
#endif
/* #define SAMPLE_RATE (17932) // Test failure to open with this value. */
#define FILE_NAME "audio_data.raw"
#define SAMPLE_RATE (44100)
#define FRAMES_PER_BUFFER (512)
#define NUM_SECONDS (10)
#define NUM_CHANNELS (2)
#define NUM_WRITES_PER_BUFFER (4)
/* #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
typedef struct
{
unsigned frameIndex;
int threadSyncFlag;
SAMPLE *ringBufferData;
PaUtilRingBuffer ringBuffer;
FILE *file;
void *threadHandle;
}
paTestData;
/* This routine is run in a separate thread to write data from the ring buffer into a file (during Recording) */
static int threadFunctionWriteToRawFile(void* ptr)
{
paTestData* pData = (paTestData*)ptr;
/* Mark thread started */
pData->threadSyncFlag = 0;
while (1)
{
ring_buffer_size_t elementsInBuffer = PaUtil_GetRingBufferReadAvailable(&pData->ringBuffer);
if ( (elementsInBuffer >= pData->ringBuffer.bufferSize / NUM_WRITES_PER_BUFFER) ||
pData->threadSyncFlag )
{
void* ptr[2] = {0};
ring_buffer_size_t sizes[2] = {0};
/* By using PaUtil_GetRingBufferReadRegions, we can read directly from the ring buffer */
ring_buffer_size_t elementsRead = PaUtil_GetRingBufferReadRegions(&pData->ringBuffer, elementsInBuffer, ptr + 0, sizes + 0, ptr + 1, sizes + 1);
if (elementsRead > 0)
{
int i;
for (i = 0; i < 2 && ptr[i] != NULL; ++i)
{
fwrite(ptr[i], pData->ringBuffer.elementSizeBytes, sizes[i], pData->file);
}
PaUtil_AdvanceRingBufferReadIndex(&pData->ringBuffer, elementsRead);
}
if (pData->threadSyncFlag)
{
break;
}
}
/* Sleep a little while... */
Pa_Sleep(20);
}
pData->threadSyncFlag = 0;
return 0;
}
/* This routine is run in a separate thread to read data from file into the ring buffer (during Playback). When the file
has reached EOF, a flag is set so that the play PA callback can return paComplete */
static int threadFunctionReadFromRawFile(void* ptr)
{
paTestData* pData = (paTestData*)ptr;
while (1)
{
ring_buffer_size_t elementsInBuffer = PaUtil_GetRingBufferWriteAvailable(&pData->ringBuffer);
if (elementsInBuffer >= pData->ringBuffer.bufferSize / NUM_WRITES_PER_BUFFER)
{
void* ptr[2] = {0};
ring_buffer_size_t sizes[2] = {0};
/* By using PaUtil_GetRingBufferWriteRegions, we can write directly into the ring buffer */
PaUtil_GetRingBufferWriteRegions(&pData->ringBuffer, elementsInBuffer, ptr + 0, sizes + 0, ptr + 1, sizes + 1);
if (!feof(pData->file))
{
ring_buffer_size_t itemsReadFromFile = 0;
int i;
for (i = 0; i < 2 && ptr[i] != NULL; ++i)
{
itemsReadFromFile += (ring_buffer_size_t)fread(ptr[i], pData->ringBuffer.elementSizeBytes, sizes[i], pData->file);
}
PaUtil_AdvanceRingBufferWriteIndex(&pData->ringBuffer, itemsReadFromFile);
/* Mark thread started here, that way we "prime" the ring buffer before playback */
pData->threadSyncFlag = 0;
}
else
{
/* No more data to read */
pData->threadSyncFlag = 1;
break;
}
}
/* Sleep a little while... */
Pa_Sleep(20);
}
return 0;
}
typedef int (*ThreadFunctionType)(void*);
/* Start up a new thread in the given function, at the moment only Windows, but should be very easy to extend
to posix type OSs (Linux/Mac) */
static PaError startThread( paTestData* pData, ThreadFunctionType fn )
{
#ifdef _WIN32
typedef unsigned (__stdcall* WinThreadFunctionType)(void*);
pData->threadHandle = (void*)_beginthreadex(NULL, 0, (WinThreadFunctionType)fn, pData, CREATE_SUSPENDED, NULL);
if (pData->threadHandle == NULL) return paUnanticipatedHostError;
/* Set file thread to a little higher prio than normal */
SetThreadPriority(pData->threadHandle, THREAD_PRIORITY_ABOVE_NORMAL);
/* Start it up */
pData->threadSyncFlag = 1;
ResumeThread(pData->threadHandle);
#endif
/* Wait for thread to startup */
while (pData->threadSyncFlag) {
Pa_Sleep(10);
}
return paNoError;
}
static int stopThread( paTestData* pData )
{
pData->threadSyncFlag = 1;
/* Wait for thread to stop */
while (pData->threadSyncFlag) {
Pa_Sleep(10);
}
#ifdef _WIN32
CloseHandle(pData->threadHandle);
pData->threadHandle = 0;
#endif
return paNoError;
}
/* 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 recordCallback( const void *inputBuffer, void *outputBuffer,
unsigned long framesPerBuffer,
const PaStreamCallbackTimeInfo* timeInfo,
PaStreamCallbackFlags statusFlags,
void *userData )
{
paTestData *data = (paTestData*)userData;
ring_buffer_size_t elementsWriteable = PaUtil_GetRingBufferWriteAvailable(&data->ringBuffer);
ring_buffer_size_t elementsToWrite = min(elementsWriteable, (ring_buffer_size_t)(framesPerBuffer * NUM_CHANNELS));
const SAMPLE *rptr = (const SAMPLE*)inputBuffer;
(void) outputBuffer; /* Prevent unused variable warnings. */
(void) timeInfo;
(void) statusFlags;
(void) userData;
data->frameIndex += PaUtil_WriteRingBuffer(&data->ringBuffer, rptr, elementsToWrite);
return paContinue;
}
/* 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 playCallback( const void *inputBuffer, void *outputBuffer,
unsigned long framesPerBuffer,
const PaStreamCallbackTimeInfo* timeInfo,
PaStreamCallbackFlags statusFlags,
void *userData )
{
paTestData *data = (paTestData*)userData;
ring_buffer_size_t elementsToPlay = PaUtil_GetRingBufferReadAvailable(&data->ringBuffer);
ring_buffer_size_t elementsToRead = min(elementsToPlay, (ring_buffer_size_t)(framesPerBuffer * NUM_CHANNELS));
SAMPLE* wptr = (SAMPLE*)outputBuffer;
(void) inputBuffer; /* Prevent unused variable warnings. */
(void) timeInfo;
(void) statusFlags;
(void) userData;
data->frameIndex += PaUtil_ReadRingBuffer(&data->ringBuffer, wptr, elementsToRead);
return data->threadSyncFlag ? paComplete : paContinue;
}
static unsigned NextPowerOf2(unsigned val)
{
val--;
val = (val >> 1) | val;
val = (val >> 2) | val;
val = (val >> 4) | val;
val = (val >> 8) | val;
val = (val >> 16) | val;
return ++val;
}
/*******************************************************************/
int main(void);
int main(void)
{
PaStreamParameters inputParameters,
outputParameters;
PaStream* stream;
PaError err = paNoError;
paTestData data = {0};
unsigned delayCntr;
unsigned numSamples;
unsigned numBytes;
printf("patest_record.c\n"); fflush(stdout);
/* We set the ring buffer size to about 500 ms */
numSamples = NextPowerOf2((unsigned)(SAMPLE_RATE * 0.5 * NUM_CHANNELS));
numBytes = numSamples * sizeof(SAMPLE);
data.ringBufferData = (SAMPLE *) PaUtil_AllocateMemory( numBytes );
if( data.ringBufferData == NULL )
{
printf("Could not allocate ring buffer data.\n");
goto done;
}
if (PaUtil_InitializeRingBuffer(&data.ringBuffer, sizeof(SAMPLE), numSamples, data.ringBufferData) < 0)
{
printf("Failed to initialize ring buffer. Size is not power of 2 ??\n");
goto done;
}
err = Pa_Initialize();
if( err != paNoError ) goto done;
inputParameters.device = Pa_GetDefaultInputDevice(); /* default input device */
if (inputParameters.device == paNoDevice) {
fprintf(stderr,"Error: No default input device.\n");
goto done;
}
inputParameters.channelCount = 2; /* stereo input */
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 */
recordCallback,
&data );
if( err != paNoError ) goto done;
/* Open the raw audio 'cache' file... */
data.file = fopen(FILE_NAME, "wb");
if (data.file == 0) goto done;
/* Start the file writing thread */
err = startThread(&data, threadFunctionWriteToRawFile);
if( err != paNoError ) goto done;
err = Pa_StartStream( stream );
if( err != paNoError ) goto done;
printf("\n=== Now recording to '" FILE_NAME "' for %d seconds!! Please speak into the microphone. ===\n", NUM_SECONDS); fflush(stdout);
/* Note that the RECORDING part is limited with TIME, not size of the file and/or buffer, so you can
increase NUM_SECONDS until you run out of disk */
delayCntr = 0;
while( delayCntr++ < NUM_SECONDS )
{
printf("index = %d\n", data.frameIndex ); fflush(stdout);
Pa_Sleep(1000);
}
if( err < 0 ) goto done;
err = Pa_CloseStream( stream );
if( err != paNoError ) goto done;
/* Stop the thread */
err = stopThread(&data);
if( err != paNoError ) goto done;
/* Close file */
fclose(data.file);
data.file = 0;
/* Playback recorded data. -------------------------------------------- */
data.frameIndex = 0;
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 = PA_SAMPLE_TYPE;
outputParameters.suggestedLatency = Pa_GetDeviceInfo( outputParameters.device )->defaultLowOutputLatency;
outputParameters.hostApiSpecificStreamInfo = NULL;
printf("\n=== Now playing back from file '" FILE_NAME "' until end-of-file is reached ===\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 */
playCallback,
&data );
if( err != paNoError ) goto done;
if( stream )
{
/* Open file again for reading */
data.file = fopen(FILE_NAME, "rb");
if (data.file != 0)
{
/* Start the file reading thread */
err = startThread(&data, threadFunctionReadFromRawFile);
if( err != paNoError ) goto done;
err = Pa_StartStream( stream );
if( err != paNoError ) goto done;
printf("Waiting for playback to finish.\n"); fflush(stdout);
/* The playback will end when EOF is reached */
while( ( err = Pa_IsStreamActive( stream ) ) == 1 ) {
printf("index = %d\n", data.frameIndex ); fflush(stdout);
Pa_Sleep(1000);
}
if( err < 0 ) goto done;
}
err = Pa_CloseStream( stream );
if( err != paNoError ) goto done;
fclose(data.file);
printf("Done.\n"); fflush(stdout);
}
done:
Pa_Terminate();
if( data.ringBufferData ) /* Sure it is NULL or valid. */
PaUtil_FreeMemory( data.ringBufferData );
if( err != paNoError )
{
fprintf( stderr, "An error occured while using the portaudio stream\n" );
fprintf( stderr, "Error number: %d\n", err );
fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) );
err = 1; /* Always return 0 or 1, but no other return codes. */
}
return err;
}

550
lib-src/portaudio-v19/examples/paex_sine_c++.cpp
View File

@@ -1,275 +1,275 @@
/** @file paex_sine.c
@ingroup examples_src
@brief Play a sine wave for several seconds.
@author Ross Bencina <rossb@audiomulch.com>
@author Phil Burk <philburk@softsynth.com>
*/
/*
* $Id: paex_sine.c 1752 2011-09-08 03:21:55Z philburk $
*
* 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)
class Sine
{
public:
Sine() : stream(0), left_phase(0), right_phase(0)
{
/* initialise sinusoidal wavetable */
for( int i=0; i<TABLE_SIZE; i++ )
{
sine[i] = (float) sin( ((double)i/(double)TABLE_SIZE) * M_PI * 2. );
}
sprintf( message, "No Message" );
}
bool open(PaDeviceIndex index)
{
PaStreamParameters outputParameters;
outputParameters.device = index;
if (outputParameters.device == paNoDevice) {
return false;
}
const PaDeviceInfo* pInfo = Pa_GetDeviceInfo(index);
if (pInfo != 0)
{
printf("Output device name: '%s'\r", pInfo->name);
}
outputParameters.channelCount = 2; /* stereo output */
outputParameters.sampleFormat = paFloat32; /* 32 bit floating point output */
outputParameters.suggestedLatency = Pa_GetDeviceInfo( outputParameters.device )->defaultLowOutputLatency;
outputParameters.hostApiSpecificStreamInfo = NULL;
PaError err = Pa_OpenStream(
&stream,
NULL, /* no input */
&outputParameters,
SAMPLE_RATE,
paFramesPerBufferUnspecified,
paClipOff, /* we won't output out of range samples so don't bother clipping them */
&Sine::paCallback,
this /* Using 'this' for userData so we can cast to Sine* in paCallback method */
);
if (err != paNoError)
{
/* Failed to open stream to device !!! */
return false;
}
err = Pa_SetStreamFinishedCallback( stream, &Sine::paStreamFinished );
if (err != paNoError)
{
Pa_CloseStream( stream );
stream = 0;
return false;
}
return true;
}
bool close()
{
if (stream == 0)
return false;
PaError err = Pa_CloseStream( stream );
stream = 0;
return (err == paNoError);
}
bool start()
{
if (stream == 0)
return false;
PaError err = Pa_StartStream( stream );
return (err == paNoError);
}
bool stop()
{
if (stream == 0)
return false;
PaError err = Pa_StopStream( stream );
return (err == paNoError);
}
private:
/* The instance callback, where we have access to every method/variable in object of class Sine */
int paCallbackMethod(const void *inputBuffer, void *outputBuffer,
unsigned long framesPerBuffer,
const PaStreamCallbackTimeInfo* timeInfo,
PaStreamCallbackFlags statusFlags)
{
float *out = (float*)outputBuffer;
unsigned long i;
(void) timeInfo; /* Prevent unused variable warnings. */
(void) statusFlags;
(void) inputBuffer;
for( i=0; i<framesPerBuffer; i++ )
{
*out++ = sine[left_phase]; /* left */
*out++ = sine[right_phase]; /* right */
left_phase += 1;
if( left_phase >= TABLE_SIZE ) left_phase -= TABLE_SIZE;
right_phase += 3; /* higher pitch so we can distinguish left and right. */
if( right_phase >= TABLE_SIZE ) right_phase -= TABLE_SIZE;
}
return paContinue;
}
/* 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 paCallback( const void *inputBuffer, void *outputBuffer,
unsigned long framesPerBuffer,
const PaStreamCallbackTimeInfo* timeInfo,
PaStreamCallbackFlags statusFlags,
void *userData )
{
/* Here we cast userData to Sine* type so we can call the instance method paCallbackMethod, we can do that since
we called Pa_OpenStream with 'this' for userData */
return ((Sine*)userData)->paCallbackMethod(inputBuffer, outputBuffer,
framesPerBuffer,
timeInfo,
statusFlags);
}
void paStreamFinishedMethod()
{
printf( "Stream Completed: %s\n", message );
}
/*
* This routine is called by portaudio when playback is done.
*/
static void paStreamFinished(void* userData)
{
return ((Sine*)userData)->paStreamFinishedMethod();
}
PaStream *stream;
float sine[TABLE_SIZE];
int left_phase;
int right_phase;
char message[20];
};
class ScopedPaHandler
{
public:
ScopedPaHandler()
: _result(Pa_Initialize())
{
}
~ScopedPaHandler()
{
if (_result == paNoError)
{
Pa_Terminate();
}
}
PaError result() const { return _result; }
private:
PaError _result;
};
/*******************************************************************/
int main(void);
int main(void)
{
Sine sine;
printf("PortAudio Test: output sine wave. SR = %d, BufSize = %d\n", SAMPLE_RATE, FRAMES_PER_BUFFER);
ScopedPaHandler paInit;
if( paInit.result() != paNoError ) goto error;
if (sine.open(Pa_GetDefaultOutputDevice()))
{
if (sine.start())
{
printf("Play for %d seconds.\n", NUM_SECONDS );
Pa_Sleep( NUM_SECONDS * 1000 );
sine.stop();
}
sine.close();
}
printf("Test finished.\n");
return paNoError;
error:
fprintf( stderr, "An error occured while using the portaudio stream\n" );
fprintf( stderr, "Error number: %d\n", paInit.result() );
fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( paInit.result() ) );
return 1;
}
/** @file paex_sine.c
@ingroup examples_src
@brief Play a sine wave for several seconds.
@author Ross Bencina <rossb@audiomulch.com>
@author Phil Burk <philburk@softsynth.com>
*/
/*
* $Id: paex_sine.c 1752 2011-09-08 03:21:55Z philburk $
*
* 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)
class Sine
{
public:
Sine() : stream(0), left_phase(0), right_phase(0)
{
/* initialise sinusoidal wavetable */
for( int i=0; i<TABLE_SIZE; i++ )
{
sine[i] = (float) sin( ((double)i/(double)TABLE_SIZE) * M_PI * 2. );
}
sprintf( message, "No Message" );
}
bool open(PaDeviceIndex index)
{
PaStreamParameters outputParameters;
outputParameters.device = index;
if (outputParameters.device == paNoDevice) {
return false;
}
const PaDeviceInfo* pInfo = Pa_GetDeviceInfo(index);
if (pInfo != 0)
{
printf("Output device name: '%s'\r", pInfo->name);
}
outputParameters.channelCount = 2; /* stereo output */
outputParameters.sampleFormat = paFloat32; /* 32 bit floating point output */
outputParameters.suggestedLatency = Pa_GetDeviceInfo( outputParameters.device )->defaultLowOutputLatency;
outputParameters.hostApiSpecificStreamInfo = NULL;
PaError err = Pa_OpenStream(
&stream,
NULL, /* no input */
&outputParameters,
SAMPLE_RATE,
paFramesPerBufferUnspecified,
paClipOff, /* we won't output out of range samples so don't bother clipping them */
&Sine::paCallback,
this /* Using 'this' for userData so we can cast to Sine* in paCallback method */
);
if (err != paNoError)
{
/* Failed to open stream to device !!! */
return false;
}
err = Pa_SetStreamFinishedCallback( stream, &Sine::paStreamFinished );
if (err != paNoError)
{
Pa_CloseStream( stream );
stream = 0;
return false;
}
return true;
}
bool close()
{
if (stream == 0)
return false;
PaError err = Pa_CloseStream( stream );
stream = 0;
return (err == paNoError);
}
bool start()
{
if (stream == 0)
return false;
PaError err = Pa_StartStream( stream );
return (err == paNoError);
}
bool stop()
{
if (stream == 0)
return false;
PaError err = Pa_StopStream( stream );
return (err == paNoError);
}
private:
/* The instance callback, where we have access to every method/variable in object of class Sine */
int paCallbackMethod(const void *inputBuffer, void *outputBuffer,
unsigned long framesPerBuffer,
const PaStreamCallbackTimeInfo* timeInfo,
PaStreamCallbackFlags statusFlags)
{
float *out = (float*)outputBuffer;
unsigned long i;
(void) timeInfo; /* Prevent unused variable warnings. */
(void) statusFlags;
(void) inputBuffer;
for( i=0; i<framesPerBuffer; i++ )
{
*out++ = sine[left_phase]; /* left */
*out++ = sine[right_phase]; /* right */
left_phase += 1;
if( left_phase >= TABLE_SIZE ) left_phase -= TABLE_SIZE;
right_phase += 3; /* higher pitch so we can distinguish left and right. */
if( right_phase >= TABLE_SIZE ) right_phase -= TABLE_SIZE;
}
return paContinue;
}
/* 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 paCallback( const void *inputBuffer, void *outputBuffer,
unsigned long framesPerBuffer,
const PaStreamCallbackTimeInfo* timeInfo,
PaStreamCallbackFlags statusFlags,
void *userData )
{
/* Here we cast userData to Sine* type so we can call the instance method paCallbackMethod, we can do that since
we called Pa_OpenStream with 'this' for userData */
return ((Sine*)userData)->paCallbackMethod(inputBuffer, outputBuffer,
framesPerBuffer,
timeInfo,
statusFlags);
}
void paStreamFinishedMethod()
{
printf( "Stream Completed: %s\n", message );
}
/*
* This routine is called by portaudio when playback is done.
*/
static void paStreamFinished(void* userData)
{
return ((Sine*)userData)->paStreamFinishedMethod();
}
PaStream *stream;
float sine[TABLE_SIZE];
int left_phase;
int right_phase;
char message[20];
};
class ScopedPaHandler
{
public:
ScopedPaHandler()
: _result(Pa_Initialize())
{
}
~ScopedPaHandler()
{
if (_result == paNoError)
{
Pa_Terminate();
}
}
PaError result() const { return _result; }
private:
PaError _result;
};
/*******************************************************************/
int main(void);
int main(void)
{
Sine sine;
printf("PortAudio Test: output sine wave. SR = %d, BufSize = %d\n", SAMPLE_RATE, FRAMES_PER_BUFFER);
ScopedPaHandler paInit;
if( paInit.result() != paNoError ) goto error;
if (sine.open(Pa_GetDefaultOutputDevice()))
{
if (sine.start())
{
printf("Play for %d seconds.\n", NUM_SECONDS );
Pa_Sleep( NUM_SECONDS * 1000 );
sine.stop();
}
sine.close();
}
printf("Test finished.\n");
return paNoError;
error:
fprintf( stderr, "An error occured while using the portaudio stream\n" );
fprintf( stderr, "Error number: %d\n", paInit.result() );
fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( paInit.result() ) );
return 1;
}

442
lib-src/portaudio-v19/examples/paex_wmme_ac3.c
View File

@@ -1,221 +1,221 @@
/** @file paex_wmme_ac3.c
@ingroup examples_src
@brief Use WMME-specific interface to send raw AC3 data to a S/PDIF output.
@author Ross Bencina <rossb@audiomulch.com>
*/
/*
* $Id: $
* Portable Audio I/O Library
* Windows MME ac3 sound output test
*
* Copyright (c) 2009 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 (20)
#define SAMPLE_RATE (48000)
#define FRAMES_PER_BUFFER (64)
#ifndef M_PI
#define M_PI (3.14159265)
#endif
#define TABLE_SIZE (100)
#define CHANNEL_COUNT (2)
typedef struct
{
short *buffer;
int bufferSampleCount;
int playbackIndex;
}
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;
short *out = (short*)outputBuffer;
unsigned long i,j;
(void) timeInfo; /* Prevent unused variable warnings. */
(void) statusFlags;
(void) inputBuffer;
/* stream out contents of data->buffer looping at end */
for( i=0; i<framesPerBuffer; i++ )
{
for( j = 0; j < CHANNEL_COUNT; ++j ){
*out++ = data->buffer[ data->playbackIndex++ ];
if( data->playbackIndex >= data->bufferSampleCount )
data->playbackIndex = 0; /* loop at end of buffer */
}
}
return paContinue;
}
/*******************************************************************/
int main(int argc, char* argv[])
{
PaStreamParameters outputParameters;
PaWinMmeStreamInfo wmmeStreamInfo;
PaStream *stream;
PaError err;
paTestData data;
int deviceIndex;
FILE *fp;
const char *fileName = "c:\\test_48k.ac3.spdif";
data.buffer = NULL;
printf("usage: patest_wmme_ac3 fileName [paDeviceIndex]\n");
printf("**IMPORTANT*** The provided file must include the spdif preamble at the start of every AC-3 frame. Using a normal ac3 file won't work.\n");
printf("PortAudio Test: output a raw spdif ac3 stream. SR = %d, BufSize = %d, Chans = %d\n",
SAMPLE_RATE, FRAMES_PER_BUFFER, CHANNEL_COUNT);
if( argc >= 2 )
fileName = argv[1];
printf( "reading spdif ac3 raw stream file %s\n", fileName );
fp = fopen( fileName, "rb" );
if( !fp ){
fprintf( stderr, "error opening spdif ac3 file.\n" );
return -1;
}
/* get file size */
fseek( fp, 0, SEEK_END );
data.bufferSampleCount = ftell( fp ) / sizeof(short);
fseek( fp, 0, SEEK_SET );
/* allocate buffer, read the whole file into memory */
data.buffer = (short*)malloc( data.bufferSampleCount * sizeof(short) );
if( !data.buffer ){
fprintf( stderr, "error allocating buffer.\n" );
return -1;
}
fread( data.buffer, sizeof(short), data.bufferSampleCount, fp );
fclose( fp );
data.playbackIndex = 0;
err = Pa_Initialize();
if( err != paNoError ) goto error;
deviceIndex = Pa_GetHostApiInfo( Pa_HostApiTypeIdToHostApiIndex( paMME ) )->defaultOutputDevice;
if( argc >= 3 ){
sscanf( argv[1], "%d", &deviceIndex );
}
printf( "using device id %d (%s)\n", deviceIndex, Pa_GetDeviceInfo(deviceIndex)->name );
outputParameters.device = deviceIndex;
outputParameters.channelCount = CHANNEL_COUNT;
outputParameters.sampleFormat = paInt16; /* IMPORTANT must use paInt16 for WMME AC3 */
outputParameters.suggestedLatency = Pa_GetDeviceInfo( outputParameters.device )->defaultLowOutputLatency;
outputParameters.hostApiSpecificStreamInfo = NULL;
wmmeStreamInfo.size = sizeof(PaWinMmeStreamInfo);
wmmeStreamInfo.hostApiType = paMME;
wmmeStreamInfo.version = 1;
wmmeStreamInfo.flags = paWinMmeWaveFormatDolbyAc3Spdif;
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,
0,
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();
free( data.buffer );
printf("Test finished.\n");
return err;
error:
Pa_Terminate();
free( data.buffer );
fprintf( stderr, "An error occured while using the portaudio stream\n" );
fprintf( stderr, "Error number: %d\n", err );
fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) );
return err;
}
/** @file paex_wmme_ac3.c
@ingroup examples_src
@brief Use WMME-specific interface to send raw AC3 data to a S/PDIF output.
@author Ross Bencina <rossb@audiomulch.com>
*/
/*
* $Id: $
* Portable Audio I/O Library
* Windows MME ac3 sound output test
*
* Copyright (c) 2009 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 (20)
#define SAMPLE_RATE (48000)
#define FRAMES_PER_BUFFER (64)
#ifndef M_PI
#define M_PI (3.14159265)
#endif
#define TABLE_SIZE (100)
#define CHANNEL_COUNT (2)
typedef struct
{
short *buffer;
int bufferSampleCount;
int playbackIndex;
}
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;
short *out = (short*)outputBuffer;
unsigned long i,j;
(void) timeInfo; /* Prevent unused variable warnings. */
(void) statusFlags;
(void) inputBuffer;
/* stream out contents of data->buffer looping at end */
for( i=0; i<framesPerBuffer; i++ )
{
for( j = 0; j < CHANNEL_COUNT; ++j ){
*out++ = data->buffer[ data->playbackIndex++ ];
if( data->playbackIndex >= data->bufferSampleCount )
data->playbackIndex = 0; /* loop at end of buffer */
}
}
return paContinue;
}
/*******************************************************************/
int main(int argc, char* argv[])
{
PaStreamParameters outputParameters;
PaWinMmeStreamInfo wmmeStreamInfo;
PaStream *stream;
PaError err;
paTestData data;
int deviceIndex;
FILE *fp;
const char *fileName = "c:\\test_48k.ac3.spdif";
data.buffer = NULL;
printf("usage: patest_wmme_ac3 fileName [paDeviceIndex]\n");
printf("**IMPORTANT*** The provided file must include the spdif preamble at the start of every AC-3 frame. Using a normal ac3 file won't work.\n");
printf("PortAudio Test: output a raw spdif ac3 stream. SR = %d, BufSize = %d, Chans = %d\n",
SAMPLE_RATE, FRAMES_PER_BUFFER, CHANNEL_COUNT);
if( argc >= 2 )
fileName = argv[1];
printf( "reading spdif ac3 raw stream file %s\n", fileName );
fp = fopen( fileName, "rb" );
if( !fp ){
fprintf( stderr, "error opening spdif ac3 file.\n" );
return -1;
}
/* get file size */
fseek( fp, 0, SEEK_END );
data.bufferSampleCount = ftell( fp ) / sizeof(short);
fseek( fp, 0, SEEK_SET );
/* allocate buffer, read the whole file into memory */
data.buffer = (short*)malloc( data.bufferSampleCount * sizeof(short) );
if( !data.buffer ){
fprintf( stderr, "error allocating buffer.\n" );
return -1;
}
fread( data.buffer, sizeof(short), data.bufferSampleCount, fp );
fclose( fp );
data.playbackIndex = 0;
err = Pa_Initialize();
if( err != paNoError ) goto error;
deviceIndex = Pa_GetHostApiInfo( Pa_HostApiTypeIdToHostApiIndex( paMME ) )->defaultOutputDevice;
if( argc >= 3 ){
sscanf( argv[1], "%d", &deviceIndex );
}
printf( "using device id %d (%s)\n", deviceIndex, Pa_GetDeviceInfo(deviceIndex)->name );
outputParameters.device = deviceIndex;
outputParameters.channelCount = CHANNEL_COUNT;
outputParameters.sampleFormat = paInt16; /* IMPORTANT must use paInt16 for WMME AC3 */
outputParameters.suggestedLatency = Pa_GetDeviceInfo( outputParameters.device )->defaultLowOutputLatency;
outputParameters.hostApiSpecificStreamInfo = NULL;
wmmeStreamInfo.size = sizeof(PaWinMmeStreamInfo);
wmmeStreamInfo.hostApiType = paMME;
wmmeStreamInfo.version = 1;
wmmeStreamInfo.flags = paWinMmeWaveFormatDolbyAc3Spdif;
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,
0,
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();
free( data.buffer );
printf("Test finished.\n");
return err;
error:
Pa_Terminate();
free( data.buffer );
fprintf( stderr, "An error occured while using the portaudio stream\n" );
fprintf( stderr, "Error number: %d\n", err );
fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) );
return err;
}

422
lib-src/portaudio-v19/examples/paex_wmme_surround.c
View File

@@ -1,211 +1,211 @@
/** @file paex_wmme_surround.c
@ingroup examples_src
@brief Use WMME-specific channelMask to request 5.1 surround sound output.
@author Ross Bencina <rossb@audiomulch.com>
*/
/*
* $Id: $
* Portable Audio I/O Library
* Windows MME 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_wmme.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;
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;
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 */
wmmeStreamInfo.size = sizeof(PaWinMmeStreamInfo);
wmmeStreamInfo.hostApiType = paMME;
wmmeStreamInfo.version = 1;
wmmeStreamInfo.flags = paWinMmeUseChannelMask;
wmmeStreamInfo.channelMask = PAWIN_SPEAKER_5POINT1; /* request 5.1 output format */
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 occured while using the portaudio stream\n" );
fprintf( stderr, "Error number: %d\n", err );
fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) );
return err;
}
/** @file paex_wmme_surround.c
@ingroup examples_src
@brief Use WMME-specific channelMask to request 5.1 surround sound output.
@author Ross Bencina <rossb@audiomulch.com>
*/
/*
* $Id: $
* Portable Audio I/O Library
* Windows MME 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_wmme.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;
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;
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 */
wmmeStreamInfo.size = sizeof(PaWinMmeStreamInfo);
wmmeStreamInfo.hostApiType = paMME;
wmmeStreamInfo.version = 1;
wmmeStreamInfo.flags = paWinMmeUseChannelMask;
wmmeStreamInfo.channelMask = PAWIN_SPEAKER_5POINT1; /* request 5.1 output format */
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 occured while using the portaudio stream\n" );
fprintf( stderr, "Error number: %d\n", err );
fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) );
return err;
}