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authorsanine <sanine.not@pm.me>2022-08-27 23:52:56 -0500
committersanine <sanine.not@pm.me>2022-08-27 23:52:56 -0500
commita4dd0ad63c00f4dee3b86dfd3075d1d61b2b3180 (patch)
tree13bd5bfa15e6fea2a12f176bae79adf9c6fd0933 /3rdparty/portaudio/examples
parentbde3e4f1bb7b8f8abca0884a7d994ee1c17a66b1 (diff)
add plibsys
Diffstat (limited to '3rdparty/portaudio/examples')
-rw-r--r--3rdparty/portaudio/examples/CMakeLists.txt41
-rw-r--r--3rdparty/portaudio/examples/pa_devs.c252
-rw-r--r--3rdparty/portaudio/examples/pa_fuzz.c183
-rw-r--r--3rdparty/portaudio/examples/paex_mono_asio_channel_select.c167
-rw-r--r--3rdparty/portaudio/examples/paex_ocean_shore.c533
-rw-r--r--3rdparty/portaudio/examples/paex_pink.c280
-rw-r--r--3rdparty/portaudio/examples/paex_read_write_wire.c204
-rw-r--r--3rdparty/portaudio/examples/paex_record.c353
-rw-r--r--3rdparty/portaudio/examples/paex_record_file.c457
-rw-r--r--3rdparty/portaudio/examples/paex_saw.c133
-rw-r--r--3rdparty/portaudio/examples/paex_sine.c175
-rw-r--r--3rdparty/portaudio/examples/paex_sine_c++.cpp275
-rw-r--r--3rdparty/portaudio/examples/paex_wmme_ac3.c220
-rw-r--r--3rdparty/portaudio/examples/paex_wmme_surround.c210
-rw-r--r--3rdparty/portaudio/examples/paex_write_sine.c166
-rw-r--r--3rdparty/portaudio/examples/paex_write_sine_nonint.c167
16 files changed, 3816 insertions, 0 deletions
diff --git a/3rdparty/portaudio/examples/CMakeLists.txt b/3rdparty/portaudio/examples/CMakeLists.txt
new file mode 100644
index 0000000..f96b6ec
--- /dev/null
+++ b/3rdparty/portaudio/examples/CMakeLists.txt
@@ -0,0 +1,41 @@
+# Example projects
+
+MACRO(ADD_EXAMPLE appl_name)
+ ADD_EXECUTABLE(${appl_name} "${appl_name}.c")
+ TARGET_LINK_LIBRARIES(${appl_name} portaudio_static)
+ SET_TARGET_PROPERTIES(${appl_name} PROPERTIES FOLDER "Examples C")
+ IF(WIN32)
+ SET_PROPERTY(TARGET ${appl_name} APPEND_STRING PROPERTY COMPILE_DEFINITIONS _CRT_SECURE_NO_WARNINGS)
+ ENDIF()
+ENDMACRO(ADD_EXAMPLE)
+
+MACRO(ADD_EXAMPLE_CPP appl_name)
+ ADD_EXECUTABLE(${appl_name} "${appl_name}.cpp")
+ TARGET_LINK_LIBRARIES(${appl_name} portaudio_static)
+ SET_TARGET_PROPERTIES(${appl_name} PROPERTIES FOLDER "Examples C++")
+ IF(WIN32)
+ SET_PROPERTY(TARGET ${appl_name} APPEND_STRING PROPERTY COMPILE_DEFINITIONS _CRT_SECURE_NO_WARNINGS)
+ ENDIF()
+ENDMACRO(ADD_EXAMPLE_CPP)
+
+ADD_EXAMPLE(pa_devs)
+ADD_EXAMPLE(pa_fuzz)
+IF(PA_USE_ASIO AND WIN32)
+ ADD_EXAMPLE(paex_mono_asio_channel_select)
+ENDIF()
+ADD_EXAMPLE(paex_ocean_shore)
+TARGET_INCLUDE_DIRECTORIES(paex_ocean_shore PRIVATE ../src/common)
+ADD_EXAMPLE(paex_pink)
+ADD_EXAMPLE(paex_read_write_wire)
+ADD_EXAMPLE(paex_record)
+ADD_EXAMPLE(paex_record_file)
+TARGET_INCLUDE_DIRECTORIES(paex_record_file PRIVATE ../src/common)
+ADD_EXAMPLE(paex_saw)
+ADD_EXAMPLE(paex_sine)
+ADD_EXAMPLE_CPP(paex_sine_c++)
+IF(PA_USE_WMME AND WIN32)
+ ADD_EXAMPLE(paex_wmme_ac3)
+ ADD_EXAMPLE(paex_wmme_surround)
+ENDIF()
+ADD_EXAMPLE(paex_write_sine)
+ADD_EXAMPLE(paex_write_sine_nonint)
diff --git a/3rdparty/portaudio/examples/pa_devs.c b/3rdparty/portaudio/examples/pa_devs.c
new file mode 100644
index 0000000..27acfd5
--- /dev/null
+++ b/3rdparty/portaudio/examples/pa_devs.c
@@ -0,0 +1,252 @@
+/** @file pa_devs.c
+ @ingroup examples_src
+ @brief List available devices, including device information.
+ @author Phil Burk http://www.softsynth.com
+
+ @note Define PA_USE_ASIO=0 to compile this code on Windows without
+ ASIO support.
+*/
+/*
+ * $Id$
+ *
+ * This program uses the PortAudio Portable Audio Library.
+ * For more information see: http://www.portaudio.com
+ * Copyright (c) 1999-2000 Ross Bencina and Phil Burk
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files
+ * (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge,
+ * publish, distribute, sublicense, and/or sell copies of the Software,
+ * and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
+ * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+ * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+/*
+ * The text above constitutes the entire PortAudio license; however,
+ * the PortAudio community also makes the following non-binding requests:
+ *
+ * Any person wishing to distribute modifications to the Software is
+ * requested to send the modifications to the original developer so that
+ * they can be incorporated into the canonical version. It is also
+ * requested that these non-binding requests be included along with the
+ * license above.
+ */
+
+#include <stdio.h>
+#include <math.h>
+#include "portaudio.h"
+
+#ifdef WIN32
+#include <windows.h>
+
+#if PA_USE_ASIO
+#include "pa_asio.h"
+#endif
+#endif
+
+/*******************************************************************/
+static void PrintSupportedStandardSampleRates(
+ const PaStreamParameters *inputParameters,
+ const PaStreamParameters *outputParameters )
+{
+ static double standardSampleRates[] = {
+ 8000.0, 9600.0, 11025.0, 12000.0, 16000.0, 22050.0, 24000.0, 32000.0,
+ 44100.0, 48000.0, 88200.0, 96000.0, 192000.0, -1 /* negative terminated list */
+ };
+ int i, printCount;
+ PaError err;
+
+ printCount = 0;
+ for( i=0; standardSampleRates[i] > 0; i++ )
+ {
+ err = Pa_IsFormatSupported( inputParameters, outputParameters, standardSampleRates[i] );
+ if( err == paFormatIsSupported )
+ {
+ if( printCount == 0 )
+ {
+ printf( "\t%8.2f", standardSampleRates[i] );
+ printCount = 1;
+ }
+ else if( printCount == 4 )
+ {
+ printf( ",\n\t%8.2f", standardSampleRates[i] );
+ printCount = 1;
+ }
+ else
+ {
+ printf( ", %8.2f", standardSampleRates[i] );
+ ++printCount;
+ }
+ }
+ }
+ if( !printCount )
+ printf( "None\n" );
+ else
+ printf( "\n" );
+}
+
+/*******************************************************************/
+int main(void);
+int main(void)
+{
+ int i, numDevices, defaultDisplayed;
+ const PaDeviceInfo *deviceInfo;
+ PaStreamParameters inputParameters, outputParameters;
+ PaError err;
+
+
+ err = Pa_Initialize();
+ if( err != paNoError )
+ {
+ printf( "ERROR: Pa_Initialize returned 0x%x\n", err );
+ goto error;
+ }
+
+ printf( "PortAudio version: 0x%08X\n", Pa_GetVersion());
+ printf( "Version text: '%s'\n", Pa_GetVersionInfo()->versionText );
+
+ numDevices = Pa_GetDeviceCount();
+ if( numDevices < 0 )
+ {
+ printf( "ERROR: Pa_GetDeviceCount returned 0x%x\n", numDevices );
+ err = numDevices;
+ goto error;
+ }
+
+ printf( "Number of devices = %d\n", numDevices );
+ for( i=0; i<numDevices; i++ )
+ {
+ deviceInfo = Pa_GetDeviceInfo( i );
+ printf( "--------------------------------------- device #%d\n", i );
+
+ /* Mark global and API specific default devices */
+ defaultDisplayed = 0;
+ if( i == Pa_GetDefaultInputDevice() )
+ {
+ printf( "[ Default Input" );
+ defaultDisplayed = 1;
+ }
+ else if( i == Pa_GetHostApiInfo( deviceInfo->hostApi )->defaultInputDevice )
+ {
+ const PaHostApiInfo *hostInfo = Pa_GetHostApiInfo( deviceInfo->hostApi );
+ printf( "[ Default %s Input", hostInfo->name );
+ defaultDisplayed = 1;
+ }
+
+ if( i == Pa_GetDefaultOutputDevice() )
+ {
+ printf( (defaultDisplayed ? "," : "[") );
+ printf( " Default Output" );
+ defaultDisplayed = 1;
+ }
+ else if( i == Pa_GetHostApiInfo( deviceInfo->hostApi )->defaultOutputDevice )
+ {
+ const PaHostApiInfo *hostInfo = Pa_GetHostApiInfo( deviceInfo->hostApi );
+ printf( (defaultDisplayed ? "," : "[") );
+ printf( " Default %s Output", hostInfo->name );
+ defaultDisplayed = 1;
+ }
+
+ if( defaultDisplayed )
+ printf( " ]\n" );
+
+ /* print device info fields */
+#ifdef WIN32
+ { /* Use wide char on windows, so we can show UTF-8 encoded device names */
+ wchar_t wideName[MAX_PATH];
+ MultiByteToWideChar(CP_UTF8, 0, deviceInfo->name, -1, wideName, MAX_PATH-1);
+ wprintf( L"Name = %s\n", wideName );
+ }
+#else
+ printf( "Name = %s\n", deviceInfo->name );
+#endif
+ printf( "Host API = %s\n", Pa_GetHostApiInfo( deviceInfo->hostApi )->name );
+ printf( "Max inputs = %d", deviceInfo->maxInputChannels );
+ printf( ", Max outputs = %d\n", deviceInfo->maxOutputChannels );
+
+ printf( "Default low input latency = %8.4f\n", deviceInfo->defaultLowInputLatency );
+ printf( "Default low output latency = %8.4f\n", deviceInfo->defaultLowOutputLatency );
+ printf( "Default high input latency = %8.4f\n", deviceInfo->defaultHighInputLatency );
+ printf( "Default high output latency = %8.4f\n", deviceInfo->defaultHighOutputLatency );
+
+#ifdef WIN32
+#if PA_USE_ASIO
+/* ASIO specific latency information */
+ if( Pa_GetHostApiInfo( deviceInfo->hostApi )->type == paASIO ){
+ long minLatency, maxLatency, preferredLatency, granularity;
+
+ err = PaAsio_GetAvailableLatencyValues( i,
+ &minLatency, &maxLatency, &preferredLatency, &granularity );
+
+ printf( "ASIO minimum buffer size = %ld\n", minLatency );
+ printf( "ASIO maximum buffer size = %ld\n", maxLatency );
+ printf( "ASIO preferred buffer size = %ld\n", preferredLatency );
+
+ if( granularity == -1 )
+ printf( "ASIO buffer granularity = power of 2\n" );
+ else
+ printf( "ASIO buffer granularity = %ld\n", granularity );
+ }
+#endif /* PA_USE_ASIO */
+#endif /* WIN32 */
+
+ printf( "Default sample rate = %8.2f\n", deviceInfo->defaultSampleRate );
+
+ /* poll for standard sample rates */
+ inputParameters.device = i;
+ inputParameters.channelCount = deviceInfo->maxInputChannels;
+ inputParameters.sampleFormat = paInt16;
+ inputParameters.suggestedLatency = 0; /* ignored by Pa_IsFormatSupported() */
+ inputParameters.hostApiSpecificStreamInfo = NULL;
+
+ outputParameters.device = i;
+ outputParameters.channelCount = deviceInfo->maxOutputChannels;
+ outputParameters.sampleFormat = paInt16;
+ outputParameters.suggestedLatency = 0; /* ignored by Pa_IsFormatSupported() */
+ outputParameters.hostApiSpecificStreamInfo = NULL;
+
+ if( inputParameters.channelCount > 0 )
+ {
+ printf("Supported standard sample rates\n for half-duplex 16 bit %d channel input = \n",
+ inputParameters.channelCount );
+ PrintSupportedStandardSampleRates( &inputParameters, NULL );
+ }
+
+ if( outputParameters.channelCount > 0 )
+ {
+ printf("Supported standard sample rates\n for half-duplex 16 bit %d channel output = \n",
+ outputParameters.channelCount );
+ PrintSupportedStandardSampleRates( NULL, &outputParameters );
+ }
+
+ if( inputParameters.channelCount > 0 && outputParameters.channelCount > 0 )
+ {
+ printf("Supported standard sample rates\n for full-duplex 16 bit %d channel input, %d channel output = \n",
+ inputParameters.channelCount, outputParameters.channelCount );
+ PrintSupportedStandardSampleRates( &inputParameters, &outputParameters );
+ }
+ }
+
+ Pa_Terminate();
+
+ printf("----------------------------------------------\n");
+ return 0;
+
+error:
+ Pa_Terminate();
+ fprintf( stderr, "Error number: %d\n", err );
+ fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) );
+ return err;
+}
diff --git a/3rdparty/portaudio/examples/pa_fuzz.c b/3rdparty/portaudio/examples/pa_fuzz.c
new file mode 100644
index 0000000..0c24d35
--- /dev/null
+++ b/3rdparty/portaudio/examples/pa_fuzz.c
@@ -0,0 +1,183 @@
+/** @file pa_fuzz.c
+ @ingroup examples_src
+ @brief Distort input like a fuzz box.
+ @author Phil Burk http://www.softsynth.com
+*/
+/*
+ * $Id$
+ *
+ * This program uses the PortAudio Portable Audio Library.
+ * For more information see: http://www.portaudio.com
+ * Copyright (c) 1999-2000 Ross Bencina and Phil Burk
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files
+ * (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge,
+ * publish, distribute, sublicense, and/or sell copies of the Software,
+ * and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
+ * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+ * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+/*
+ * The text above constitutes the entire PortAudio license; however,
+ * the PortAudio community also makes the following non-binding requests:
+ *
+ * Any person wishing to distribute modifications to the Software is
+ * requested to send the modifications to the original developer so that
+ * they can be incorporated into the canonical version. It is also
+ * requested that these non-binding requests be included along with the
+ * license above.
+ */
+
+#include <stdio.h>
+#include <math.h>
+#include "portaudio.h"
+/*
+** Note that many of the older ISA sound cards on PCs do NOT support
+** full duplex audio (simultaneous record and playback).
+** And some only support full duplex at lower sample rates.
+*/
+#define SAMPLE_RATE (44100)
+#define PA_SAMPLE_TYPE paFloat32
+#define FRAMES_PER_BUFFER (64)
+
+typedef float SAMPLE;
+
+float CubicAmplifier( float input );
+static int fuzzCallback( const void *inputBuffer, void *outputBuffer,
+ unsigned long framesPerBuffer,
+ const PaStreamCallbackTimeInfo* timeInfo,
+ PaStreamCallbackFlags statusFlags,
+ void *userData );
+
+/* Non-linear amplifier with soft distortion curve. */
+float CubicAmplifier( float input )
+{
+ float output, temp;
+ if( input < 0.0 )
+ {
+ temp = input + 1.0f;
+ output = (temp * temp * temp) - 1.0f;
+ }
+ else
+ {
+ temp = input - 1.0f;
+ output = (temp * temp * temp) + 1.0f;
+ }
+
+ return output;
+}
+#define FUZZ(x) CubicAmplifier(CubicAmplifier(CubicAmplifier(CubicAmplifier(x))))
+
+static int gNumNoInputs = 0;
+/* 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 fuzzCallback( const void *inputBuffer, void *outputBuffer,
+ unsigned long framesPerBuffer,
+ const PaStreamCallbackTimeInfo* timeInfo,
+ PaStreamCallbackFlags statusFlags,
+ void *userData )
+{
+ SAMPLE *out = (SAMPLE*)outputBuffer;
+ const SAMPLE *in = (const SAMPLE*)inputBuffer;
+ unsigned int i;
+ (void) timeInfo; /* Prevent unused variable warnings. */
+ (void) statusFlags;
+ (void) userData;
+
+ if( inputBuffer == NULL )
+ {
+ for( i=0; i<framesPerBuffer; i++ )
+ {
+ *out++ = 0; /* left - silent */
+ *out++ = 0; /* right - silent */
+ }
+ gNumNoInputs += 1;
+ }
+ else
+ {
+ for( i=0; i<framesPerBuffer; i++ )
+ {
+ *out++ = FUZZ(*in++); /* left - distorted */
+ *out++ = *in++; /* right - clean */
+ }
+ }
+
+ return paContinue;
+}
+
+/*******************************************************************/
+int main(void);
+int main(void)
+{
+ PaStreamParameters inputParameters, outputParameters;
+ PaStream *stream;
+ PaError err;
+
+ err = Pa_Initialize();
+ if( err != paNoError ) goto error;
+
+ inputParameters.device = Pa_GetDefaultInputDevice(); /* default input device */
+ if (inputParameters.device == paNoDevice) {
+ fprintf(stderr,"Error: No default input device.\n");
+ goto error;
+ }
+ inputParameters.channelCount = 2; /* stereo input */
+ inputParameters.sampleFormat = PA_SAMPLE_TYPE;
+ inputParameters.suggestedLatency = Pa_GetDeviceInfo( inputParameters.device )->defaultLowInputLatency;
+ inputParameters.hostApiSpecificStreamInfo = NULL;
+
+ outputParameters.device = Pa_GetDefaultOutputDevice(); /* default output device */
+ if (outputParameters.device == paNoDevice) {
+ fprintf(stderr,"Error: No default output device.\n");
+ goto error;
+ }
+ outputParameters.channelCount = 2; /* stereo output */
+ outputParameters.sampleFormat = PA_SAMPLE_TYPE;
+ outputParameters.suggestedLatency = Pa_GetDeviceInfo( outputParameters.device )->defaultLowOutputLatency;
+ outputParameters.hostApiSpecificStreamInfo = NULL;
+
+ err = Pa_OpenStream(
+ &stream,
+ &inputParameters,
+ &outputParameters,
+ SAMPLE_RATE,
+ FRAMES_PER_BUFFER,
+ 0, /* paClipOff, */ /* we won't output out of range samples so don't bother clipping them */
+ fuzzCallback,
+ NULL );
+ if( err != paNoError ) goto error;
+
+ err = Pa_StartStream( stream );
+ if( err != paNoError ) goto error;
+
+ printf("Hit ENTER to stop program.\n");
+ getchar();
+ err = Pa_CloseStream( stream );
+ if( err != paNoError ) goto error;
+
+ printf("Finished. gNumNoInputs = %d\n", gNumNoInputs );
+ Pa_Terminate();
+ return 0;
+
+error:
+ Pa_Terminate();
+ fprintf( stderr, "An error occurred while using the portaudio stream\n" );
+ fprintf( stderr, "Error number: %d\n", err );
+ fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) );
+ return -1;
+}
diff --git a/3rdparty/portaudio/examples/paex_mono_asio_channel_select.c b/3rdparty/portaudio/examples/paex_mono_asio_channel_select.c
new file mode 100644
index 0000000..4b55d31
--- /dev/null
+++ b/3rdparty/portaudio/examples/paex_mono_asio_channel_select.c
@@ -0,0 +1,167 @@
+/** @file paex_mono_asio_channel_select.c
+ @ingroup examples_src
+ @brief Play a monophonic sine wave on a specific ASIO channel.
+ @author Ross Bencina <rossb@audiomulch.com>
+ @author Phil Burk <philburk@softsynth.com>
+*/
+/*
+ * $Id$
+ *
+ * Authors:
+ * Ross Bencina <rossb@audiomulch.com>
+ * Phil Burk <philburk@softsynth.com>
+ *
+ * This program uses the PortAudio Portable Audio Library.
+ * For more information see: http://www.portaudio.com
+ * Copyright (c) 1999-2000 Ross Bencina and Phil Burk
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files
+ * (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge,
+ * publish, distribute, sublicense, and/or sell copies of the Software,
+ * and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
+ * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+ * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+/*
+ * The text above constitutes the entire PortAudio license; however,
+ * the PortAudio community also makes the following non-binding requests:
+ *
+ * Any person wishing to distribute modifications to the Software is
+ * requested to send the modifications to the original developer so that
+ * they can be incorporated into the canonical version. It is also
+ * requested that these non-binding requests be included along with the
+ * license above.
+ */
+
+#include <stdio.h>
+#include <math.h>
+#include "portaudio.h"
+#include "pa_asio.h"
+
+#define NUM_SECONDS (10)
+#define SAMPLE_RATE (44100)
+#define AMPLITUDE (0.8)
+#define FRAMES_PER_BUFFER (64)
+#define OUTPUT_DEVICE Pa_GetDefaultOutputDevice()
+
+#ifndef M_PI
+#define M_PI (3.14159265)
+#endif
+
+#define TABLE_SIZE (200)
+typedef struct
+{
+ float sine[TABLE_SIZE];
+ int phase;
+}
+paTestData;
+
+/* This routine will be called by the PortAudio engine when audio is needed.
+** It may called at interrupt level on some machines so don't do anything
+** that could mess up the system like calling malloc() or free().
+*/
+static int patestCallback( const void *inputBuffer, void *outputBuffer,
+ unsigned long framesPerBuffer,
+ const PaStreamCallbackTimeInfo* timeInfo,
+ PaStreamCallbackFlags statusFlags,
+ void *userData )
+{
+ paTestData *data = (paTestData*)userData;
+ float *out = (float*)outputBuffer;
+ unsigned long i;
+ int finished = 0;
+ /* avoid unused variable warnings */
+ (void) inputBuffer;
+ (void) timeInfo;
+ (void) statusFlags;
+ for( i=0; i<framesPerBuffer; i++ )
+ {
+ *out++ = data->sine[data->phase]; /* left */
+ data->phase += 1;
+ if( data->phase >= TABLE_SIZE ) data->phase -= TABLE_SIZE;
+ }
+ return finished;
+}
+
+/*******************************************************************/
+int main(void);
+int main(void)
+{
+ PaStreamParameters outputParameters;
+ PaAsioStreamInfo asioOutputInfo;
+ PaStream *stream;
+ PaError err;
+ paTestData data;
+ int outputChannelSelectors[1];
+ int i;
+ printf("PortAudio Test: output MONO sine wave. SR = %d, BufSize = %d\n", SAMPLE_RATE, FRAMES_PER_BUFFER);
+ /* initialise sinusoidal wavetable */
+ for( i=0; i<TABLE_SIZE; i++ )
+ {
+ data.sine[i] = (float) (AMPLITUDE * sin( ((double)i/(double)TABLE_SIZE) * M_PI * 2. ));
+ }
+ data.phase = 0;
+
+ err = Pa_Initialize();
+ if( err != paNoError ) goto error;
+
+ outputParameters.device = OUTPUT_DEVICE;
+ outputParameters.channelCount = 1; /* MONO output */
+ outputParameters.sampleFormat = paFloat32; /* 32 bit floating point output */
+ outputParameters.suggestedLatency = Pa_GetDeviceInfo( outputParameters.device )->defaultLowOutputLatency;
+
+ /* Use an ASIO specific structure. WARNING - this is not portable. */
+ asioOutputInfo.size = sizeof(PaAsioStreamInfo);
+ asioOutputInfo.hostApiType = paASIO;
+ asioOutputInfo.version = 1;
+ asioOutputInfo.flags = paAsioUseChannelSelectors;
+ outputChannelSelectors[0] = 1; /* skip channel 0 and use the second (right) ASIO device channel */
+ asioOutputInfo.channelSelectors = outputChannelSelectors;
+ outputParameters.hostApiSpecificStreamInfo = &asioOutputInfo;
+
+ err = Pa_OpenStream(
+ &stream,
+ NULL, /* no input */
+ &outputParameters,
+ SAMPLE_RATE,
+ FRAMES_PER_BUFFER,
+ paClipOff, /* we won't output out of range samples so don't bother clipping them */
+ patestCallback,
+ &data );
+ if( err != paNoError ) goto error;
+
+ err = Pa_StartStream( stream );
+ if( err != paNoError ) goto error;
+
+ printf("Play for %d seconds.\n", NUM_SECONDS ); fflush(stdout);
+ Pa_Sleep( NUM_SECONDS * 1000 );
+
+ err = Pa_StopStream( stream );
+ if( err != paNoError ) goto error;
+
+ err = Pa_CloseStream( stream );
+ if( err != paNoError ) goto error;
+
+ Pa_Terminate();
+ printf("Test finished.\n");
+ return err;
+error:
+ Pa_Terminate();
+ fprintf( stderr, "An error occurred while using the portaudio stream\n" );
+ fprintf( stderr, "Error number: %d\n", err );
+ fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) );
+ return err;
+}
diff --git a/3rdparty/portaudio/examples/paex_ocean_shore.c b/3rdparty/portaudio/examples/paex_ocean_shore.c
new file mode 100644
index 0000000..9424e8b
--- /dev/null
+++ b/3rdparty/portaudio/examples/paex_ocean_shore.c
@@ -0,0 +1,533 @@
+/** @file paex_ocean_shore.c
+ @ingroup examples_src
+ @brief Generate Pink Noise using Gardner method, and make "waves". Provides an example of how to
+ post stuff to/from the audio callback using lock-free FIFOs implemented by the PA ringbuffer.
+
+ Optimization suggested by James McCartney uses a tree
+ to select which random value to replace.
+<pre>
+ x x x x x x x x x x x x x x x x
+ x x x x x x x x
+ x x x x
+ x x
+ x
+</pre>
+ Tree is generated by counting trailing zeros in an increasing index.
+ When the index is zero, no random number is selected.
+
+ @author Phil Burk http://www.softsynth.com
+ Robert Bielik
+*/
+/*
+ * $Id$
+ *
+ * This program uses the PortAudio Portable Audio Library.
+ * For more information see: http://www.portaudio.com
+ * Copyright (c) 1999-2000 Ross Bencina and Phil Burk
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files
+ * (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge,
+ * publish, distribute, sublicense, and/or sell copies of the Software,
+ * and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
+ * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+ * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+/*
+ * The text above constitutes the entire PortAudio license; however,
+ * the PortAudio community also makes the following non-binding requests:
+ *
+ * Any person wishing to distribute modifications to the Software is
+ * requested to send the modifications to the original developer so that
+ * they can be incorporated into the canonical version. It is also
+ * requested that these non-binding requests be included along with the
+ * license above.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <math.h>
+#include <time.h>
+
+#include "portaudio.h"
+#include "pa_ringbuffer.h"
+#include "pa_util.h"
+
+#define PINK_MAX_RANDOM_ROWS (30)
+#define PINK_RANDOM_BITS (24)
+#define PINK_RANDOM_SHIFT ((sizeof(long)*8)-PINK_RANDOM_BITS)
+
+typedef struct
+{
+ long pink_Rows[PINK_MAX_RANDOM_ROWS];
+ long pink_RunningSum; /* Used to optimize summing of generators. */
+ int pink_Index; /* Incremented each sample. */
+ int pink_IndexMask; /* Index wrapped by ANDing with this mask. */
+ float pink_Scalar; /* Used to scale within range of -1.0 to +1.0 */
+}
+PinkNoise;
+
+typedef struct
+{
+ float bq_b0;
+ float bq_b1;
+ float bq_b2;
+ float bq_a1;
+ float bq_a2;
+} BiQuad;
+
+typedef enum
+{
+ State_kAttack,
+ State_kPreDecay,
+ State_kDecay,
+ State_kCnt,
+} EnvState;
+
+typedef struct
+{
+ PinkNoise wave_left;
+ PinkNoise wave_right;
+
+ BiQuad wave_bq_coeffs;
+ float wave_bq_left[2];
+ float wave_bq_right[2];
+
+ EnvState wave_envelope_state;
+ float wave_envelope_level;
+ float wave_envelope_max_level;
+ float wave_pan_left;
+ float wave_pan_right;
+ float wave_attack_incr;
+ float wave_decay_incr;
+
+} OceanWave;
+
+/* Prototypes */
+static unsigned long GenerateRandomNumber( void );
+void InitializePinkNoise( PinkNoise *pink, int numRows );
+float GeneratePinkNoise( PinkNoise *pink );
+unsigned GenerateWave( OceanWave* wave, float* output, unsigned noOfFrames);
+
+/************************************************************/
+/* Calculate pseudo-random 32 bit number based on linear congruential method. */
+static unsigned long GenerateRandomNumber( void )
+{
+ /* Change this seed for different random sequences. */
+ static unsigned long randSeed = 22222;
+ randSeed = (randSeed * 196314165) + 907633515;
+ return randSeed;
+}
+
+/************************************************************/
+/* Setup PinkNoise structure for N rows of generators. */
+void InitializePinkNoise( PinkNoise *pink, int numRows )
+{
+ int i;
+ long pmax;
+ pink->pink_Index = 0;
+ pink->pink_IndexMask = (1<<numRows) - 1;
+ /* Calculate maximum possible signed random value. Extra 1 for white noise always added. */
+ pmax = (numRows + 1) * (1<<(PINK_RANDOM_BITS-1));
+ pink->pink_Scalar = 1.0f / pmax;
+ /* Initialize rows. */
+ for( i=0; i<numRows; i++ ) pink->pink_Rows[i] = 0;
+ pink->pink_RunningSum = 0;
+}
+
+/* Generate Pink noise values between -1.0 and +1.0 */
+float GeneratePinkNoise( PinkNoise *pink )
+{
+ long newRandom;
+ long sum;
+ float output;
+ /* Increment and mask index. */
+ pink->pink_Index = (pink->pink_Index + 1) & pink->pink_IndexMask;
+ /* If index is zero, don't update any random values. */
+ if( pink->pink_Index != 0 )
+ {
+ /* Determine how many trailing zeros in PinkIndex. */
+ /* This algorithm will hang if n==0 so test first. */
+ int numZeros = 0;
+ int n = pink->pink_Index;
+ while( (n & 1) == 0 )
+ {
+ n = n >> 1;
+ numZeros++;
+ }
+ /* Replace the indexed ROWS random value.
+ * Subtract and add back to RunningSum instead of adding all the random
+ * values together. Only one changes each time.
+ */
+ pink->pink_RunningSum -= pink->pink_Rows[numZeros];
+ newRandom = ((long)GenerateRandomNumber()) >> PINK_RANDOM_SHIFT;
+ pink->pink_RunningSum += newRandom;
+ pink->pink_Rows[numZeros] = newRandom;
+ }
+
+ /* Add extra white noise value. */
+ newRandom = ((long)GenerateRandomNumber()) >> PINK_RANDOM_SHIFT;
+ sum = pink->pink_RunningSum + newRandom;
+ /* Scale to range of -1.0 to 0.9999. */
+ output = pink->pink_Scalar * sum;
+ return output;
+}
+
+float ProcessBiquad(const BiQuad* coeffs, float* memory, float input)
+{
+ float w = input - coeffs->bq_a1 * memory[0] - coeffs->bq_a2 * memory[1];
+ float out = coeffs->bq_b1 * memory[0] + coeffs->bq_b2 * memory[1] + coeffs->bq_b0 * w;
+ memory[1] = memory[0];
+ memory[0] = w;
+ return out;
+}
+
+static const float one_over_2Q_LP = 0.3f;
+static const float one_over_2Q_HP = 1.0f;
+
+unsigned GenerateWave( OceanWave* wave, float* output, unsigned noOfFrames )
+{
+ unsigned retval=0,i;
+ float targetLevel, levelIncr, currentLevel;
+ switch (wave->wave_envelope_state)
+ {
+ case State_kAttack:
+ targetLevel = noOfFrames * wave->wave_attack_incr + wave->wave_envelope_level;
+ if (targetLevel >= wave->wave_envelope_max_level)
+ {
+ /* Go to decay state */
+ wave->wave_envelope_state = State_kPreDecay;
+ targetLevel = wave->wave_envelope_max_level;
+ }
+ /* Calculate lowpass biquad coeffs
+
+ alpha = sin(w0)/(2*Q)
+
+ b0 = (1 - cos(w0))/2
+ b1 = 1 - cos(w0)
+ b2 = (1 - cos(w0))/2
+ a0 = 1 + alpha
+ a1 = -2*cos(w0)
+ a2 = 1 - alpha
+
+ w0 = [0 - pi[
+ */
+ {
+ const float w0 = 3.141592654f * targetLevel / wave->wave_envelope_max_level;
+ const float alpha = sinf(w0) * one_over_2Q_LP;
+ const float cosw0 = cosf(w0);
+ const float a0_fact = 1.0f / (1.0f + alpha);
+ wave->wave_bq_coeffs.bq_b1 = (1.0f - cosw0) * a0_fact;
+ wave->wave_bq_coeffs.bq_b0 = wave->wave_bq_coeffs.bq_b1 * 0.5f;
+ wave->wave_bq_coeffs.bq_b2 = wave->wave_bq_coeffs.bq_b0;
+ wave->wave_bq_coeffs.bq_a2 = (1.0f - alpha) * a0_fact;
+ wave->wave_bq_coeffs.bq_a1 = -2.0f * cosw0 * a0_fact;
+ }
+ break;
+
+ case State_kPreDecay:
+ /* Reset biquad state */
+ memset(wave->wave_bq_left, 0, 2 * sizeof(float));
+ memset(wave->wave_bq_right, 0, 2 * sizeof(float));
+ wave->wave_envelope_state = State_kDecay;
+
+ /* Deliberate fall-through */
+
+ case State_kDecay:
+ targetLevel = noOfFrames * wave->wave_decay_incr + wave->wave_envelope_level;
+ if (targetLevel < 0.001f)
+ {
+ /* < -60 dB, we're done */
+ wave->wave_envelope_state = 3;
+ retval = 1;
+ }
+ /* Calculate highpass biquad coeffs
+
+ alpha = sin(w0)/(2*Q)
+
+ b0 = (1 + cos(w0))/2
+ b1 = -(1 + cos(w0))
+ b2 = (1 + cos(w0))/2
+ a0 = 1 + alpha
+ a1 = -2*cos(w0)
+ a2 = 1 - alpha
+
+ w0 = [0 - pi/2[
+ */
+ {
+ const float v = targetLevel / wave->wave_envelope_max_level;
+ const float w0 = 1.5707963f * (1.0f - (v*v));
+ const float alpha = sinf(w0) * one_over_2Q_HP;
+ const float cosw0 = cosf(w0);
+ const float a0_fact = 1.0f / (1.0f + alpha);
+ wave->wave_bq_coeffs.bq_b1 = (float)(- (1 + cosw0) * a0_fact);
+ wave->wave_bq_coeffs.bq_b0 = -wave->wave_bq_coeffs.bq_b1 * 0.5f;
+ wave->wave_bq_coeffs.bq_b2 = wave->wave_bq_coeffs.bq_b0;
+ wave->wave_bq_coeffs.bq_a2 = (float)((1.0 - alpha) * a0_fact);
+ wave->wave_bq_coeffs.bq_a1 = (float)(-2.0 * cosw0 * a0_fact);
+ }
+ break;
+
+ default:
+ break;
+ }
+
+ currentLevel = wave->wave_envelope_level;
+ wave->wave_envelope_level = targetLevel;
+ levelIncr = (targetLevel - currentLevel) / noOfFrames;
+
+ for (i = 0; i < noOfFrames; ++i, currentLevel += levelIncr)
+ {
+ (*output++) += ProcessBiquad(&wave->wave_bq_coeffs, wave->wave_bq_left, (GeneratePinkNoise(&wave->wave_left))) * currentLevel * wave->wave_pan_left;
+ (*output++) += ProcessBiquad(&wave->wave_bq_coeffs, wave->wave_bq_right, (GeneratePinkNoise(&wave->wave_right))) * currentLevel * wave->wave_pan_right;
+ }
+
+ return retval;
+}
+
+
+/*******************************************************************/
+
+/* Context for callback routine. */
+typedef struct
+{
+ OceanWave* waves[16]; /* Maximum 16 waves */
+ unsigned noOfActiveWaves;
+
+ /* Ring buffer (FIFO) for "communicating" towards audio callback */
+ PaUtilRingBuffer rBufToRT;
+ void* rBufToRTData;
+
+ /* Ring buffer (FIFO) for "communicating" from audio callback */
+ PaUtilRingBuffer rBufFromRT;
+ void* rBufFromRTData;
+}
+paTestData;
+
+/* This routine will be called by the PortAudio engine when audio is needed.
+** It may called at interrupt level on some machines so don't do anything
+** that could mess up the system like calling malloc() or free().
+*/
+static int patestCallback(const void* inputBuffer,
+ void* outputBuffer,
+ unsigned long framesPerBuffer,
+ const PaStreamCallbackTimeInfo* timeInfo,
+ PaStreamCallbackFlags statusFlags,
+ void* userData)
+{
+ int i;
+ paTestData *data = (paTestData*)userData;
+ float *out = (float*)outputBuffer;
+ (void) inputBuffer; /* Prevent "unused variable" warnings. */
+
+ /* Reset output data first */
+ memset(out, 0, framesPerBuffer * 2 * sizeof(float));
+
+ for (i = 0; i < 16; ++i)
+ {
+ /* Consume the input queue */
+ if (data->waves[i] == 0 && PaUtil_GetRingBufferReadAvailable(&data->rBufToRT))
+ {
+ OceanWave* ptr = 0;
+ PaUtil_ReadRingBuffer(&data->rBufToRT, &ptr, 1);
+ data->waves[i] = ptr;
+ }
+
+ if (data->waves[i] != 0)
+ {
+ if (GenerateWave(data->waves[i], out, framesPerBuffer))
+ {
+ /* If wave is "done", post it back to the main thread for deletion */
+ PaUtil_WriteRingBuffer(&data->rBufFromRT, &data->waves[i], 1);
+ data->waves[i] = 0;
+ }
+ }
+ }
+ return paContinue;
+}
+
+#define NEW_ROW_SIZE (12 + (8*rand())/RAND_MAX)
+
+OceanWave* InitializeWave(double SR, float attackInSeconds, float maxLevel, float positionLeftRight)
+{
+ OceanWave* wave = NULL;
+ static unsigned lastNoOfRows = 12;
+ unsigned newNoOfRows;
+
+ wave = (OceanWave*)PaUtil_AllocateMemory(sizeof(OceanWave));
+ if (wave != NULL)
+ {
+ InitializePinkNoise(&wave->wave_left, lastNoOfRows);
+ while ((newNoOfRows = NEW_ROW_SIZE) == lastNoOfRows);
+ InitializePinkNoise(&wave->wave_right, newNoOfRows);
+ lastNoOfRows = newNoOfRows;
+
+ wave->wave_envelope_state = State_kAttack;
+ wave->wave_envelope_level = 0.f;
+ wave->wave_envelope_max_level = maxLevel;
+ wave->wave_attack_incr = wave->wave_envelope_max_level / (attackInSeconds * (float)SR);
+ wave->wave_decay_incr = - wave->wave_envelope_max_level / (attackInSeconds * 4 * (float)SR);
+
+ wave->wave_pan_left = sqrtf(1.0f - positionLeftRight);
+ wave->wave_pan_right = sqrtf(positionLeftRight);
+ }
+ return wave;
+}
+
+static float GenerateFloatRandom(float minValue, float maxValue)
+{
+ return minValue + ((maxValue - minValue) * rand()) / RAND_MAX;
+}
+
+/*******************************************************************/
+int main(void);
+int main(void)
+{
+ PaStream* stream;
+ PaError err;
+ paTestData data = {0};
+ PaStreamParameters outputParameters;
+ double tstamp;
+ double tstart;
+ double tdelta = 0;
+ static const double SR = 44100.0;
+ static const int FPB = 128; /* Frames per buffer: 2.9 ms buffers. */
+
+ /* Initialize communication buffers (queues) */
+ data.rBufToRTData = PaUtil_AllocateMemory(sizeof(OceanWave*) * 256);
+ if (data.rBufToRTData == NULL)
+ {
+ return 1;
+ }
+ PaUtil_InitializeRingBuffer(&data.rBufToRT, sizeof(OceanWave*), 256, data.rBufToRTData);
+
+ data.rBufFromRTData = PaUtil_AllocateMemory(sizeof(OceanWave*) * 256);
+ if (data.rBufFromRTData == NULL)
+ {
+ return 1;
+ }
+ PaUtil_InitializeRingBuffer(&data.rBufFromRT, sizeof(OceanWave*), 256, data.rBufFromRTData);
+
+ err = Pa_Initialize();
+ if( err != paNoError ) goto error;
+
+ /* Open a stereo PortAudio stream so we can hear the result. */
+ outputParameters.device = Pa_GetDefaultOutputDevice(); /* Take the default output device. */
+ if (outputParameters.device == paNoDevice) {
+ fprintf(stderr,"Error: No default output device.\n");
+ goto error;
+ }
+ outputParameters.channelCount = 2; /* Stereo output, most likely supported. */
+ outputParameters.hostApiSpecificStreamInfo = NULL;
+ outputParameters.sampleFormat = paFloat32; /* 32 bit floating point output. */
+ outputParameters.suggestedLatency = Pa_GetDeviceInfo(outputParameters.device)->defaultLowOutputLatency;
+ err = Pa_OpenStream(&stream,
+ NULL, /* No input. */
+ &outputParameters,
+ SR, /* Sample rate. */
+ FPB, /* Frames per buffer. */
+ paDitherOff, /* Clip but don't dither */
+ patestCallback,
+ &data);
+ if( err != paNoError ) goto error;
+
+ err = Pa_StartStream( stream );
+ if( err != paNoError ) goto error;
+
+ printf("Stereo \"ocean waves\" for one minute...\n");
+
+ tstart = PaUtil_GetTime();
+ tstamp = tstart;
+ srand( (unsigned)time(NULL) );
+
+ while( ( err = Pa_IsStreamActive( stream ) ) == 1 )
+ {
+ const double tcurrent = PaUtil_GetTime();
+
+ /* Delete "waves" that the callback is finished with */
+ while (PaUtil_GetRingBufferReadAvailable(&data.rBufFromRT) > 0)
+ {
+ OceanWave* ptr = 0;
+ PaUtil_ReadRingBuffer(&data.rBufFromRT, &ptr, 1);
+ if (ptr != 0)
+ {
+ printf("Wave is deleted...\n");
+ PaUtil_FreeMemory(ptr);
+ --data.noOfActiveWaves;
+ }
+ }
+
+ if (tcurrent - tstart < 60.0) /* Only start new "waves" during one minute */
+ {
+ if (tcurrent >= tstamp)
+ {
+ double tdelta = GenerateFloatRandom(1.0f, 4.0f);
+ tstamp += tdelta;
+
+ if (data.noOfActiveWaves<16)
+ {
+ const float attackTime = GenerateFloatRandom(2.0f, 6.0f);
+ const float level = GenerateFloatRandom(0.1f, 1.0f);
+ const float pos = GenerateFloatRandom(0.0f, 1.0f);
+ OceanWave* p = InitializeWave(SR, attackTime, level, pos);
+ if (p != NULL)
+ {
+ /* Post wave to audio callback */
+ PaUtil_WriteRingBuffer(&data.rBufToRT, &p, 1);
+ ++data.noOfActiveWaves;
+
+ printf("Starting wave at level = %.2f, attack = %.2lf, pos = %.2lf\n", level, attackTime, pos);
+ }
+ }
+ }
+ }
+ else
+ {
+ if (data.noOfActiveWaves == 0)
+ {
+ printf("All waves finished!\n");
+ break;
+ }
+ }
+
+ Pa_Sleep(100);
+ }
+ if( err < 0 ) goto error;
+
+ err = Pa_CloseStream( stream );
+ if( err != paNoError ) goto error;
+
+ if (data.rBufToRTData)
+ {
+ PaUtil_FreeMemory(data.rBufToRTData);
+ }
+ if (data.rBufFromRTData)
+ {
+ PaUtil_FreeMemory(data.rBufFromRTData);
+ }
+
+ Pa_Sleep(1000);
+
+ Pa_Terminate();
+ return 0;
+
+error:
+ Pa_Terminate();
+ fprintf( stderr, "An error occurred while using the portaudio stream\n" );
+ fprintf( stderr, "Error number: %d\n", err );
+ fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) );
+ return 0;
+}
diff --git a/3rdparty/portaudio/examples/paex_pink.c b/3rdparty/portaudio/examples/paex_pink.c
new file mode 100644
index 0000000..519f979
--- /dev/null
+++ b/3rdparty/portaudio/examples/paex_pink.c
@@ -0,0 +1,280 @@
+/** @file paex_pink.c
+ @ingroup examples_src
+ @brief Generate Pink Noise using Gardner method.
+
+ Optimization suggested by James McCartney uses a tree
+ to select which random value to replace.
+<pre>
+ x x x x x x x x x x x x x x x x
+ x x x x x x x x
+ x x x x
+ x x
+ x
+</pre>
+ Tree is generated by counting trailing zeros in an increasing index.
+ When the index is zero, no random number is selected.
+
+ @author Phil Burk http://www.softsynth.com
+*/
+/*
+ * $Id$
+ *
+ * This program uses the PortAudio Portable Audio Library.
+ * For more information see: http://www.portaudio.com
+ * Copyright (c) 1999-2000 Ross Bencina and Phil Burk
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files
+ * (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge,
+ * publish, distribute, sublicense, and/or sell copies of the Software,
+ * and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
+ * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+ * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+/*
+ * The text above constitutes the entire PortAudio license; however,
+ * the PortAudio community also makes the following non-binding requests:
+ *
+ * Any person wishing to distribute modifications to the Software is
+ * requested to send the modifications to the original developer so that
+ * they can be incorporated into the canonical version. It is also
+ * requested that these non-binding requests be included along with the
+ * license above.
+ */
+
+#include <stdio.h>
+#include <math.h>
+#include "portaudio.h"
+
+#define PINK_MAX_RANDOM_ROWS (30)
+#define PINK_RANDOM_BITS (24)
+#define PINK_RANDOM_SHIFT ((sizeof(long)*8)-PINK_RANDOM_BITS)
+
+typedef struct
+{
+ long pink_Rows[PINK_MAX_RANDOM_ROWS];
+ long pink_RunningSum; /* Used to optimize summing of generators. */
+ int pink_Index; /* Incremented each sample. */
+ int pink_IndexMask; /* Index wrapped by ANDing with this mask. */
+ float pink_Scalar; /* Used to scale within range of -1.0 to +1.0 */
+}
+PinkNoise;
+
+/* Prototypes */
+static unsigned long GenerateRandomNumber( void );
+void InitializePinkNoise( PinkNoise *pink, int numRows );
+float GeneratePinkNoise( PinkNoise *pink );
+
+/************************************************************/
+/* Calculate pseudo-random 32 bit number based on linear congruential method. */
+static unsigned long GenerateRandomNumber( void )
+{
+ /* Change this seed for different random sequences. */
+ static unsigned long randSeed = 22222;
+ randSeed = (randSeed * 196314165) + 907633515;
+ return randSeed;
+}
+
+/************************************************************/
+/* Setup PinkNoise structure for N rows of generators. */
+void InitializePinkNoise( PinkNoise *pink, int numRows )
+{
+ int i;
+ long pmax;
+ pink->pink_Index = 0;
+ pink->pink_IndexMask = (1<<numRows) - 1;
+ /* Calculate maximum possible signed random value. Extra 1 for white noise always added. */
+ pmax = (numRows + 1) * (1<<(PINK_RANDOM_BITS-1));
+ pink->pink_Scalar = 1.0f / pmax;
+ /* Initialize rows. */
+ for( i=0; i<numRows; i++ ) pink->pink_Rows[i] = 0;
+ pink->pink_RunningSum = 0;
+}
+
+#define PINK_MEASURE
+#ifdef PINK_MEASURE
+float pinkMax = -999.0;
+float pinkMin = 999.0;
+#endif
+
+/* Generate Pink noise values between -1.0 and +1.0 */
+float GeneratePinkNoise( PinkNoise *pink )
+{
+ long newRandom;
+ long sum;
+ float output;
+ /* Increment and mask index. */
+ pink->pink_Index = (pink->pink_Index + 1) & pink->pink_IndexMask;
+ /* If index is zero, don't update any random values. */
+ if( pink->pink_Index != 0 )
+ {
+ /* Determine how many trailing zeros in PinkIndex. */
+ /* This algorithm will hang if n==0 so test first. */
+ int numZeros = 0;
+ int n = pink->pink_Index;
+ while( (n & 1) == 0 )
+ {
+ n = n >> 1;
+ numZeros++;
+ }
+ /* Replace the indexed ROWS random value.
+ * Subtract and add back to RunningSum instead of adding all the random
+ * values together. Only one changes each time.
+ */
+ pink->pink_RunningSum -= pink->pink_Rows[numZeros];
+ newRandom = ((long)GenerateRandomNumber()) >> PINK_RANDOM_SHIFT;
+ pink->pink_RunningSum += newRandom;
+ pink->pink_Rows[numZeros] = newRandom;
+ }
+
+ /* Add extra white noise value. */
+ newRandom = ((long)GenerateRandomNumber()) >> PINK_RANDOM_SHIFT;
+ sum = pink->pink_RunningSum + newRandom;
+ /* Scale to range of -1.0 to 0.9999. */
+ output = pink->pink_Scalar * sum;
+#ifdef PINK_MEASURE
+ /* Check Min/Max */
+ if( output > pinkMax ) pinkMax = output;
+ else if( output < pinkMin ) pinkMin = output;
+#endif
+ return output;
+}
+
+/*******************************************************************/
+#define PINK_TEST
+#ifdef PINK_TEST
+
+/* Context for callback routine. */
+typedef struct
+{
+ PinkNoise leftPink;
+ PinkNoise rightPink;
+ unsigned int sampsToGo;
+}
+paTestData;
+
+/* This routine will be called by the PortAudio engine when audio is needed.
+** It may called at interrupt level on some machines so don't do anything
+** that could mess up the system like calling malloc() or free().
+*/
+static int patestCallback(const void* inputBuffer,
+ void* outputBuffer,
+ unsigned long framesPerBuffer,
+ const PaStreamCallbackTimeInfo* timeInfo,
+ PaStreamCallbackFlags statusFlags,
+ void* userData)
+{
+ int finished;
+ int i;
+ int numFrames;
+ paTestData *data = (paTestData*)userData;
+ float *out = (float*)outputBuffer;
+ (void) inputBuffer; /* Prevent "unused variable" warnings. */
+
+ /* Are we almost at end. */
+ if( data->sampsToGo < framesPerBuffer )
+ {
+ numFrames = data->sampsToGo;
+ finished = 1;
+ }
+ else
+ {
+ numFrames = framesPerBuffer;
+ finished = 0;
+ }
+ for( i=0; i<numFrames; i++ )
+ {
+ *out++ = GeneratePinkNoise( &data->leftPink );
+ *out++ = GeneratePinkNoise( &data->rightPink );
+ }
+ data->sampsToGo -= numFrames;
+ return finished;
+}
+
+/*******************************************************************/
+int main(void);
+int main(void)
+{
+ PaStream* stream;
+ PaError err;
+ paTestData data;
+ PaStreamParameters outputParameters;
+ int totalSamps;
+ static const double SR = 44100.0;
+ static const int FPB = 2048; /* Frames per buffer: 46 ms buffers. */
+
+ /* Initialize two pink noise signals with different numbers of rows. */
+ InitializePinkNoise( &data.leftPink, 12 );
+ InitializePinkNoise( &data.rightPink, 16 );
+
+ /* Look at a few values. */
+ {
+ int i;
+ float pink;
+ for( i=0; i<20; i++ )
+ {
+ pink = GeneratePinkNoise( &data.leftPink );
+ printf("Pink = %f\n", pink );
+ }
+ }
+
+ data.sampsToGo = totalSamps = (int)(60.0 * SR); /* Play a whole minute. */
+ err = Pa_Initialize();
+ if( err != paNoError ) goto error;
+
+ /* Open a stereo PortAudio stream so we can hear the result. */
+ outputParameters.device = Pa_GetDefaultOutputDevice(); /* Take the default output device. */
+ if (outputParameters.device == paNoDevice) {
+ fprintf(stderr,"Error: No default output device.\n");
+ goto error;
+ }
+ outputParameters.channelCount = 2; /* Stereo output, most likely supported. */
+ outputParameters.hostApiSpecificStreamInfo = NULL;
+ outputParameters.sampleFormat = paFloat32; /* 32 bit floating point output. */
+ outputParameters.suggestedLatency =
+ Pa_GetDeviceInfo(outputParameters.device)->defaultLowOutputLatency;
+ err = Pa_OpenStream(&stream,
+ NULL, /* No input. */
+ &outputParameters,
+ SR, /* Sample rate. */
+ FPB, /* 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("Stereo pink noise for one minute...\n");
+
+ while( ( err = Pa_IsStreamActive( stream ) ) == 1 ) Pa_Sleep(100);
+ if( err < 0 ) goto error;
+
+ err = Pa_CloseStream( stream );
+ if( err != paNoError ) goto error;
+#ifdef PINK_MEASURE
+ printf("Pink min = %f, max = %f\n", pinkMin, pinkMax );
+#endif
+ Pa_Terminate();
+ return 0;
+error:
+ Pa_Terminate();
+ fprintf( stderr, "An error occurred while using the portaudio stream\n" );
+ fprintf( stderr, "Error number: %d\n", err );
+ fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) );
+ return 0;
+}
+#endif /* PINK_TEST */
diff --git a/3rdparty/portaudio/examples/paex_read_write_wire.c b/3rdparty/portaudio/examples/paex_read_write_wire.c
new file mode 100644
index 0000000..b5046af
--- /dev/null
+++ b/3rdparty/portaudio/examples/paex_read_write_wire.c
@@ -0,0 +1,204 @@
+/** @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 (512)
+#define NUM_SECONDS (10)
+/* #define DITHER_FLAG (paDitherOff) */
+#define DITHER_FLAG (0)
+
+/* Select sample format. */
+#if 1
+#define PA_SAMPLE_TYPE paFloat32
+#define SAMPLE_SIZE (4)
+#define SAMPLE_SILENCE (0.0f)
+#define PRINTF_S_FORMAT "%.8f"
+#elif 0
+#define PA_SAMPLE_TYPE paInt16
+#define SAMPLE_SIZE (2)
+#define SAMPLE_SILENCE (0)
+#define PRINTF_S_FORMAT "%d"
+#elif 0
+#define PA_SAMPLE_TYPE paInt24
+#define SAMPLE_SIZE (3)
+#define SAMPLE_SILENCE (0)
+#define PRINTF_S_FORMAT "%d"
+#elif 0
+#define PA_SAMPLE_TYPE paInt8
+#define SAMPLE_SIZE (1)
+#define SAMPLE_SILENCE (0)
+#define PRINTF_S_FORMAT "%d"
+#else
+#define PA_SAMPLE_TYPE paUInt8
+#define SAMPLE_SIZE (1)
+#define SAMPLE_SILENCE (128)
+#define PRINTF_S_FORMAT "%d"
+#endif
+
+/*******************************************************************/
+int main(void);
+int main(void)
+{
+ PaStreamParameters inputParameters, outputParameters;
+ PaStream *stream = NULL;
+ PaError err;
+ const PaDeviceInfo* inputInfo;
+ const PaDeviceInfo* outputInfo;
+ char *sampleBlock = NULL;
+ int i;
+ int numBytes;
+ int numChannels;
+
+ printf("patest_read_write_wire.c\n"); fflush(stdout);
+ printf("sizeof(int) = %lu\n", sizeof(int)); fflush(stdout);
+ printf("sizeof(long) = %lu\n", sizeof(long)); fflush(stdout);
+
+ err = Pa_Initialize();
+ if( err != paNoError ) goto error2;
+
+ inputParameters.device = Pa_GetDefaultInputDevice(); /* default input device */
+ printf( "Input device # %d.\n", inputParameters.device );
+ inputInfo = Pa_GetDeviceInfo( inputParameters.device );
+ printf( " Name: %s\n", inputInfo->name );
+ printf( " LL: %g s\n", inputInfo->defaultLowInputLatency );
+ printf( " HL: %g s\n", inputInfo->defaultHighInputLatency );
+
+ outputParameters.device = Pa_GetDefaultOutputDevice(); /* default output device */
+ printf( "Output device # %d.\n", outputParameters.device );
+ outputInfo = Pa_GetDeviceInfo( outputParameters.device );
+ printf( " Name: %s\n", outputInfo->name );
+ printf( " LL: %g s\n", outputInfo->defaultLowOutputLatency );
+ printf( " HL: %g s\n", outputInfo->defaultHighOutputLatency );
+
+ numChannels = inputInfo->maxInputChannels < outputInfo->maxOutputChannels
+ ? inputInfo->maxInputChannels : outputInfo->maxOutputChannels;
+ printf( "Num channels = %d.\n", numChannels );
+
+ inputParameters.channelCount = numChannels;
+ inputParameters.sampleFormat = PA_SAMPLE_TYPE;
+ inputParameters.suggestedLatency = inputInfo->defaultHighInputLatency ;
+ inputParameters.hostApiSpecificStreamInfo = NULL;
+
+ outputParameters.channelCount = numChannels;
+ outputParameters.sampleFormat = PA_SAMPLE_TYPE;
+ outputParameters.suggestedLatency = outputInfo->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 error2;
+
+ numBytes = FRAMES_PER_BUFFER * numChannels * SAMPLE_SIZE ;
+ sampleBlock = (char *) malloc( numBytes );
+ if( sampleBlock == NULL )
+ {
+ printf("Could not allocate record array.\n");
+ goto error1;
+ }
+ memset( sampleBlock, SAMPLE_SILENCE, numBytes );
+
+ err = Pa_StartStream( stream );
+ if( err != paNoError ) goto error1;
+ printf("Wire on. Will run %d seconds.\n", NUM_SECONDS); fflush(stdout);
+
+ for( i=0; i<(NUM_SECONDS*SAMPLE_RATE)/FRAMES_PER_BUFFER; ++i )
+ {
+ // You may get underruns or overruns if the output is not primed by PortAudio.
+ err = Pa_WriteStream( stream, sampleBlock, FRAMES_PER_BUFFER );
+ if( err ) goto xrun;
+ err = Pa_ReadStream( stream, sampleBlock, FRAMES_PER_BUFFER );
+ if( err ) goto xrun;
+ }
+ printf("Wire off.\n"); fflush(stdout);
+
+ err = Pa_StopStream( stream );
+ if( err != paNoError ) goto error1;
+
+ free( sampleBlock );
+
+ Pa_Terminate();
+ return 0;
+
+xrun:
+ printf("err = %d\n", err); fflush(stdout);
+ 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;
+error1:
+ free( sampleBlock );
+error2:
+ if( stream ) {
+ Pa_AbortStream( stream );
+ Pa_CloseStream( stream );
+ }
+ Pa_Terminate();
+ fprintf( stderr, "An error occurred while using the portaudio stream\n" );
+ fprintf( stderr, "Error number: %d\n", err );
+ fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) );
+ return -1;
+}
diff --git a/3rdparty/portaudio/examples/paex_record.c b/3rdparty/portaudio/examples/paex_record.c
new file mode 100644
index 0000000..53bf571
--- /dev/null
+++ b/3rdparty/portaudio/examples/paex_record.c
@@ -0,0 +1,353 @@
+/** @file paex_record.c
+ @ingroup examples_src
+ @brief Record input into an array; Save array to a file; Playback recorded data.
+ @author Phil Burk http://www.softsynth.com
+*/
+/*
+ * $Id$
+ *
+ * This program uses the PortAudio Portable Audio Library.
+ * For more information see: http://www.portaudio.com
+ * Copyright (c) 1999-2000 Ross Bencina and Phil Burk
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files
+ * (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge,
+ * publish, distribute, sublicense, and/or sell copies of the Software,
+ * and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
+ * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+ * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+/*
+ * The text above constitutes the entire PortAudio license; however,
+ * the PortAudio community also makes the following non-binding requests:
+ *
+ * Any person wishing to distribute modifications to the Software is
+ * requested to send the modifications to the original developer so that
+ * they can be incorporated into the canonical version. It is also
+ * requested that these non-binding requests be included along with the
+ * license above.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include "portaudio.h"
+
+/* #define SAMPLE_RATE (17932) // Test failure to open with this value. */
+#define SAMPLE_RATE (44100)
+#define FRAMES_PER_BUFFER (512)
+#define NUM_SECONDS (5)
+#define NUM_CHANNELS (2)
+/* #define DITHER_FLAG (paDitherOff) */
+#define DITHER_FLAG (0) /**/
+/** Set to 1 if you want to capture the recording to a file. */
+#define WRITE_TO_FILE (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
+{
+ int frameIndex; /* Index into sample array. */
+ int maxFrameIndex;
+ SAMPLE *recordedSamples;
+}
+paTestData;
+
+/* 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;
+ const SAMPLE *rptr = (const SAMPLE*)inputBuffer;
+ SAMPLE *wptr = &data->recordedSamples[data->frameIndex * NUM_CHANNELS];
+ long framesToCalc;
+ long i;
+ int finished;
+ unsigned long framesLeft = data->maxFrameIndex - data->frameIndex;
+
+ (void) outputBuffer; /* Prevent unused variable warnings. */
+ (void) timeInfo;
+ (void) statusFlags;
+ (void) userData;
+
+ if( framesLeft < framesPerBuffer )
+ {
+ framesToCalc = framesLeft;
+ finished = paComplete;
+ }
+ else
+ {
+ framesToCalc = framesPerBuffer;
+ finished = paContinue;
+ }
+
+ if( inputBuffer == NULL )
+ {
+ for( i=0; i<framesToCalc; i++ )
+ {
+ *wptr++ = SAMPLE_SILENCE; /* left */
+ if( NUM_CHANNELS == 2 ) *wptr++ = SAMPLE_SILENCE; /* right */
+ }
+ }
+ else
+ {
+ for( i=0; i<framesToCalc; i++ )
+ {
+ *wptr++ = *rptr++; /* left */
+ if( NUM_CHANNELS == 2 ) *wptr++ = *rptr++; /* right */
+ }
+ }
+ data->frameIndex += framesToCalc;
+ return finished;
+}
+
+/* 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;
+ SAMPLE *rptr = &data->recordedSamples[data->frameIndex * NUM_CHANNELS];
+ SAMPLE *wptr = (SAMPLE*)outputBuffer;
+ unsigned int i;
+ int finished;
+ unsigned int framesLeft = data->maxFrameIndex - data->frameIndex;
+
+ (void) inputBuffer; /* Prevent unused variable warnings. */
+ (void) timeInfo;
+ (void) statusFlags;
+ (void) userData;
+
+ if( framesLeft < framesPerBuffer )
+ {
+ /* final buffer... */
+ for( i=0; i<framesLeft; i++ )
+ {
+ *wptr++ = *rptr++; /* left */
+ if( NUM_CHANNELS == 2 ) *wptr++ = *rptr++; /* right */
+ }
+ for( ; i<framesPerBuffer; i++ )
+ {
+ *wptr++ = 0; /* left */
+ if( NUM_CHANNELS == 2 ) *wptr++ = 0; /* right */
+ }
+ data->frameIndex += framesLeft;
+ finished = paComplete;
+ }
+ else
+ {
+ for( i=0; i<framesPerBuffer; i++ )
+ {
+ *wptr++ = *rptr++; /* left */
+ if( NUM_CHANNELS == 2 ) *wptr++ = *rptr++; /* right */
+ }
+ data->frameIndex += framesPerBuffer;
+ finished = paContinue;
+ }
+ return finished;
+}
+
+/*******************************************************************/
+int main(void);
+int main(void)
+{
+ PaStreamParameters inputParameters,
+ outputParameters;
+ PaStream* stream;
+ PaError err = paNoError;
+ paTestData data;
+ int i;
+ int totalFrames;
+ int numSamples;
+ int numBytes;
+ SAMPLE max, val;
+ double average;
+
+ printf("patest_record.c\n"); fflush(stdout);
+
+ data.maxFrameIndex = totalFrames = NUM_SECONDS * SAMPLE_RATE; /* Record for a few seconds. */
+ data.frameIndex = 0;
+ numSamples = totalFrames * NUM_CHANNELS;
+ numBytes = numSamples * sizeof(SAMPLE);
+ data.recordedSamples = (SAMPLE *) malloc( numBytes ); /* From now on, recordedSamples is initialised. */
+ if( data.recordedSamples == NULL )
+ {
+ printf("Could not allocate record array.\n");
+ goto done;
+ }
+ for( i=0; i<numSamples; i++ ) data.recordedSamples[i] = 0;
+
+ 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;
+
+ err = Pa_StartStream( stream );
+ if( err != paNoError ) goto done;
+ printf("\n=== Now recording!! Please speak into the microphone. ===\n"); fflush(stdout);
+
+ while( ( err = Pa_IsStreamActive( stream ) ) == 1 )
+ {
+ Pa_Sleep(1000);
+ printf("index = %d\n", data.frameIndex ); fflush(stdout);
+ }
+ if( err < 0 ) goto done;
+
+ err = Pa_CloseStream( stream );
+ if( err != paNoError ) goto done;
+
+ /* Measure maximum peak amplitude. */
+ max = 0;
+ average = 0.0;
+ for( i=0; i<numSamples; i++ )
+ {
+ val = data.recordedSamples[i];
+ if( val < 0 ) val = -val; /* ABS */
+ if( val > max )
+ {
+ max = val;
+ }
+ average += val;
+ }
+
+ average = average / (double)numSamples;
+
+ printf("sample max amplitude = "PRINTF_S_FORMAT"\n", max );
+ printf("sample average = %lf\n", average );
+
+ /* Write recorded data to a file. */
+#if WRITE_TO_FILE
+ {
+ FILE *fid;
+ fid = fopen("recorded.raw", "wb");
+ if( fid == NULL )
+ {
+ printf("Could not open file.");
+ }
+ else
+ {
+ fwrite( data.recordedSamples, NUM_CHANNELS * sizeof(SAMPLE), totalFrames, fid );
+ fclose( fid );
+ printf("Wrote data to 'recorded.raw'\n");
+ }
+ }
+#endif
+
+ /* 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. ===\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 )
+ {
+ err = Pa_StartStream( stream );
+ if( err != paNoError ) goto done;
+
+ printf("Waiting for playback to finish.\n"); fflush(stdout);
+
+ while( ( err = Pa_IsStreamActive( stream ) ) == 1 ) Pa_Sleep(100);
+ if( err < 0 ) goto done;
+
+ err = Pa_CloseStream( stream );
+ if( err != paNoError ) goto done;
+
+ printf("Done.\n"); fflush(stdout);
+ }
+
+done:
+ Pa_Terminate();
+ if( data.recordedSamples ) /* Sure it is NULL or valid. */
+ free( data.recordedSamples );
+ if( err != paNoError )
+ {
+ fprintf( stderr, "An error occurred while using the portaudio stream\n" );
+ fprintf( stderr, "Error number: %d\n", err );
+ fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) );
+ err = 1; /* Always return 0 or 1, but no other return codes. */
+ }
+ return err;
+}
diff --git a/3rdparty/portaudio/examples/paex_record_file.c b/3rdparty/portaudio/examples/paex_record_file.c
new file mode 100644
index 0000000..562a8e9
--- /dev/null
+++ b/3rdparty/portaudio/examples/paex_record_file.c
@@ -0,0 +1,457 @@
+/** @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
+
+static ring_buffer_size_t rbs_min(ring_buffer_size_t a, ring_buffer_size_t b)
+{
+ return (a < b) ? a : b;
+}
+
+/* #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 = rbs_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 = rbs_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 occurred while using the portaudio stream\n" );
+ fprintf( stderr, "Error number: %d\n", err );
+ fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) );
+ err = 1; /* Always return 0 or 1, but no other return codes. */
+ }
+ return err;
+}
diff --git a/3rdparty/portaudio/examples/paex_saw.c b/3rdparty/portaudio/examples/paex_saw.c
new file mode 100644
index 0000000..caec0b0
--- /dev/null
+++ b/3rdparty/portaudio/examples/paex_saw.c
@@ -0,0 +1,133 @@
+/** @file paex_saw.c
+ @ingroup examples_src
+ @brief Play a simple (aliasing) sawtooth wave.
+ @author Phil Burk http://www.softsynth.com
+*/
+/*
+ * $Id$
+ *
+ * This program uses the PortAudio Portable Audio Library.
+ * For more information see: http://www.portaudio.com
+ * Copyright (c) 1999-2000 Ross Bencina and Phil Burk
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files
+ * (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge,
+ * publish, distribute, sublicense, and/or sell copies of the Software,
+ * and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
+ * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+ * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+/*
+ * The text above constitutes the entire PortAudio license; however,
+ * the PortAudio community also makes the following non-binding requests:
+ *
+ * Any person wishing to distribute modifications to the Software is
+ * requested to send the modifications to the original developer so that
+ * they can be incorporated into the canonical version. It is also
+ * requested that these non-binding requests be included along with the
+ * license above.
+ */
+
+#include <stdio.h>
+#include <math.h>
+#include "portaudio.h"
+#define NUM_SECONDS (4)
+#define SAMPLE_RATE (44100)
+
+typedef struct
+{
+ float left_phase;
+ float right_phase;
+}
+paTestData;
+
+/* This routine will be called by the PortAudio engine when audio is needed.
+** It may called at interrupt level on some machines so don't do anything
+** that could mess up the system like calling malloc() or free().
+*/
+static int patestCallback( const void *inputBuffer, void *outputBuffer,
+ unsigned long framesPerBuffer,
+ const PaStreamCallbackTimeInfo* timeInfo,
+ PaStreamCallbackFlags statusFlags,
+ void *userData )
+{
+ /* Cast data passed through stream to our structure. */
+ paTestData *data = (paTestData*)userData;
+ float *out = (float*)outputBuffer;
+ unsigned int i;
+ (void) inputBuffer; /* Prevent unused variable warning. */
+
+ for( i=0; i<framesPerBuffer; i++ )
+ {
+ *out++ = data->left_phase; /* left */
+ *out++ = data->right_phase; /* right */
+ /* Generate simple sawtooth phaser that ranges between -1.0 and 1.0. */
+ data->left_phase += 0.01f;
+ /* When signal reaches top, drop back down. */
+ if( data->left_phase >= 1.0f ) data->left_phase -= 2.0f;
+ /* higher pitch so we can distinguish left and right. */
+ data->right_phase += 0.03f;
+ if( data->right_phase >= 1.0f ) data->right_phase -= 2.0f;
+ }
+ return 0;
+}
+
+/*******************************************************************/
+static paTestData data;
+int main(void);
+int main(void)
+{
+ PaStream *stream;
+ PaError err;
+
+ printf("PortAudio Test: output sawtooth wave.\n");
+ /* Initialize our data for use by callback. */
+ data.left_phase = data.right_phase = 0.0;
+ /* Initialize library before making any other calls. */
+ err = Pa_Initialize();
+ if( err != paNoError ) goto error;
+
+ /* Open an audio I/O stream. */
+ err = Pa_OpenDefaultStream( &stream,
+ 0, /* no input channels */
+ 2, /* stereo output */
+ paFloat32, /* 32 bit floating point output */
+ SAMPLE_RATE,
+ 256, /* frames per buffer */
+ patestCallback,
+ &data );
+ if( err != paNoError ) goto error;
+
+ err = Pa_StartStream( stream );
+ if( err != paNoError ) goto error;
+
+ /* Sleep for several seconds. */
+ Pa_Sleep(NUM_SECONDS*1000);
+
+ err = Pa_StopStream( stream );
+ if( err != paNoError ) goto error;
+ err = Pa_CloseStream( stream );
+ if( err != paNoError ) goto error;
+ Pa_Terminate();
+ printf("Test finished.\n");
+ return err;
+error:
+ Pa_Terminate();
+ fprintf( stderr, "An error occurred while using the portaudio stream\n" );
+ fprintf( stderr, "Error number: %d\n", err );
+ fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) );
+ return err;
+}
diff --git a/3rdparty/portaudio/examples/paex_sine.c b/3rdparty/portaudio/examples/paex_sine.c
new file mode 100644
index 0000000..50ef205
--- /dev/null
+++ b/3rdparty/portaudio/examples/paex_sine.c
@@ -0,0 +1,175 @@
+/** @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>
+*/
+/*
+ * $Id$
+ *
+ * This program uses the PortAudio Portable Audio Library.
+ * For more information see: http://www.portaudio.com/
+ * Copyright (c) 1999-2000 Ross Bencina and Phil Burk
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files
+ * (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge,
+ * publish, distribute, sublicense, and/or sell copies of the Software,
+ * and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
+ * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+ * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+/*
+ * The text above constitutes the entire PortAudio license; however,
+ * the PortAudio community also makes the following non-binding requests:
+ *
+ * Any person wishing to distribute modifications to the Software is
+ * requested to send the modifications to the original developer so that
+ * they can be incorporated into the canonical version. It is also
+ * requested that these non-binding requests be included along with the
+ * license above.
+ */
+#include <stdio.h>
+#include <math.h>
+#include "portaudio.h"
+
+#define NUM_SECONDS (5)
+#define SAMPLE_RATE (44100)
+#define FRAMES_PER_BUFFER (64)
+
+#ifndef M_PI
+#define M_PI (3.14159265)
+#endif
+
+#define TABLE_SIZE (200)
+typedef struct
+{
+ float sine[TABLE_SIZE];
+ int left_phase;
+ int right_phase;
+ char message[20];
+}
+paTestData;
+
+/* This routine will be called by the PortAudio engine when audio is needed.
+** It may called at interrupt level on some machines so don't do anything
+** that could mess up the system like calling malloc() or free().
+*/
+static int patestCallback( const void *inputBuffer, void *outputBuffer,
+ unsigned long framesPerBuffer,
+ const PaStreamCallbackTimeInfo* timeInfo,
+ PaStreamCallbackFlags statusFlags,
+ void *userData )
+{
+ paTestData *data = (paTestData*)userData;
+ float *out = (float*)outputBuffer;
+ unsigned long i;
+
+ (void) timeInfo; /* Prevent unused variable warnings. */
+ (void) statusFlags;
+ (void) inputBuffer;
+
+ for( i=0; i<framesPerBuffer; i++ )
+ {
+ *out++ = data->sine[data->left_phase]; /* left */
+ *out++ = data->sine[data->right_phase]; /* right */
+ data->left_phase += 1;
+ if( data->left_phase >= TABLE_SIZE ) data->left_phase -= TABLE_SIZE;
+ data->right_phase += 3; /* higher pitch so we can distinguish left and right. */
+ if( data->right_phase >= TABLE_SIZE ) data->right_phase -= TABLE_SIZE;
+ }
+
+ return paContinue;
+}
+
+/*
+ * This routine is called by portaudio when playback is done.
+ */
+static void StreamFinished( void* userData )
+{
+ paTestData *data = (paTestData *) userData;
+ printf( "Stream Completed: %s\n", data->message );
+}
+
+/*******************************************************************/
+int main(void);
+int main(void)
+{
+ PaStreamParameters outputParameters;
+ PaStream *stream;
+ PaError err;
+ paTestData data;
+ int i;
+
+ printf("PortAudio Test: output sine wave. SR = %d, BufSize = %d\n", SAMPLE_RATE, FRAMES_PER_BUFFER);
+
+ /* initialise sinusoidal wavetable */
+ for( i=0; i<TABLE_SIZE; i++ )
+ {
+ data.sine[i] = (float) sin( ((double)i/(double)TABLE_SIZE) * M_PI * 2. );
+ }
+ data.left_phase = data.right_phase = 0;
+
+ err = Pa_Initialize();
+ if( err != paNoError ) goto error;
+
+ outputParameters.device = Pa_GetDefaultOutputDevice(); /* default output device */
+ if (outputParameters.device == paNoDevice) {
+ fprintf(stderr,"Error: No default output device.\n");
+ goto error;
+ }
+ outputParameters.channelCount = 2; /* stereo output */
+ outputParameters.sampleFormat = paFloat32; /* 32 bit floating point output */
+ outputParameters.suggestedLatency = Pa_GetDeviceInfo( outputParameters.device )->defaultLowOutputLatency;
+ outputParameters.hostApiSpecificStreamInfo = NULL;
+
+ err = Pa_OpenStream(
+ &stream,
+ NULL, /* no input */
+ &outputParameters,
+ SAMPLE_RATE,
+ FRAMES_PER_BUFFER,
+ paClipOff, /* we won't output out of range samples so don't bother clipping them */
+ patestCallback,
+ &data );
+ if( err != paNoError ) goto error;
+
+ sprintf( data.message, "No Message" );
+ err = Pa_SetStreamFinishedCallback( stream, &StreamFinished );
+ if( err != paNoError ) goto error;
+
+ err = Pa_StartStream( stream );
+ if( err != paNoError ) goto error;
+
+ printf("Play for %d seconds.\n", NUM_SECONDS );
+ Pa_Sleep( NUM_SECONDS * 1000 );
+
+ err = Pa_StopStream( stream );
+ if( err != paNoError ) goto error;
+
+ err = Pa_CloseStream( stream );
+ if( err != paNoError ) goto error;
+
+ Pa_Terminate();
+ printf("Test finished.\n");
+
+ return err;
+error:
+ Pa_Terminate();
+ fprintf( stderr, "An error occurred while using the portaudio stream\n" );
+ fprintf( stderr, "Error number: %d\n", err );
+ fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) );
+ return err;
+}
diff --git a/3rdparty/portaudio/examples/paex_sine_c++.cpp b/3rdparty/portaudio/examples/paex_sine_c++.cpp
new file mode 100644
index 0000000..5d96522
--- /dev/null
+++ b/3rdparty/portaudio/examples/paex_sine_c++.cpp
@@ -0,0 +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 occurred 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;
+}
diff --git a/3rdparty/portaudio/examples/paex_wmme_ac3.c b/3rdparty/portaudio/examples/paex_wmme_ac3.c
new file mode 100644
index 0000000..74daa96
--- /dev/null
+++ b/3rdparty/portaudio/examples/paex_wmme_ac3.c
@@ -0,0 +1,220 @@
+/** @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 occurred while using the portaudio stream\n" );
+ fprintf( stderr, "Error number: %d\n", err );
+ fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) );
+ return err;
+}
diff --git a/3rdparty/portaudio/examples/paex_wmme_surround.c b/3rdparty/portaudio/examples/paex_wmme_surround.c
new file mode 100644
index 0000000..55fc255
--- /dev/null
+++ b/3rdparty/portaudio/examples/paex_wmme_surround.c
@@ -0,0 +1,210 @@
+/** @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 occurred while using the portaudio stream\n" );
+ fprintf( stderr, "Error number: %d\n", err );
+ fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) );
+ return err;
+}
diff --git a/3rdparty/portaudio/examples/paex_write_sine.c b/3rdparty/portaudio/examples/paex_write_sine.c
new file mode 100644
index 0000000..3035b42
--- /dev/null
+++ b/3rdparty/portaudio/examples/paex_write_sine.c
@@ -0,0 +1,166 @@
+/** @file paex_write_sine.c
+ @ingroup examples_src
+ @brief Play a sine wave for several seconds using the blocking API (Pa_WriteStream())
+ @author Ross Bencina <rossb@audiomulch.com>
+ @author Phil Burk <philburk@softsynth.com>
+*/
+/*
+ * $Id$
+ *
+ * This program uses the PortAudio Portable Audio Library.
+ * For more information see: http://www.portaudio.com/
+ * Copyright (c) 1999-2000 Ross Bencina and Phil Burk
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files
+ * (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge,
+ * publish, distribute, sublicense, and/or sell copies of the Software,
+ * and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
+ * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+ * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+/*
+ * The text above constitutes the entire PortAudio license; however,
+ * the PortAudio community also makes the following non-binding requests:
+ *
+ * Any person wishing to distribute modifications to the Software is
+ * requested to send the modifications to the original developer so that
+ * they can be incorporated into the canonical version. It is also
+ * requested that these non-binding requests be included along with the
+ * license above.
+ */
+
+#include <stdio.h>
+#include <math.h>
+#include "portaudio.h"
+
+#define NUM_SECONDS (5)
+#define SAMPLE_RATE (44100)
+#define FRAMES_PER_BUFFER (1024)
+
+#ifndef M_PI
+#define M_PI (3.14159265)
+#endif
+
+#define TABLE_SIZE (200)
+
+
+int main(void);
+int main(void)
+{
+ PaStreamParameters outputParameters;
+ PaStream *stream;
+ PaError err;
+ float buffer[FRAMES_PER_BUFFER][2]; /* stereo output buffer */
+ float sine[TABLE_SIZE]; /* sine wavetable */
+ int left_phase = 0;
+ int right_phase = 0;
+ int left_inc = 1;
+ int right_inc = 3; /* higher pitch so we can distinguish left and right. */
+ int i, j, k;
+ int bufferCount;
+
+ printf("PortAudio Test: output sine wave. SR = %d, BufSize = %d\n", SAMPLE_RATE, FRAMES_PER_BUFFER);
+
+ /* initialise sinusoidal wavetable */
+ for( i=0; i<TABLE_SIZE; i++ )
+ {
+ sine[i] = (float) sin( ((double)i/(double)TABLE_SIZE) * M_PI * 2. );
+ }
+
+
+ err = Pa_Initialize();
+ if( err != paNoError ) goto error;
+
+ outputParameters.device = Pa_GetDefaultOutputDevice(); /* default output device */
+ if (outputParameters.device == paNoDevice) {
+ fprintf(stderr,"Error: No default output device.\n");
+ goto error;
+ }
+ outputParameters.channelCount = 2; /* stereo output */
+ outputParameters.sampleFormat = paFloat32; /* 32 bit floating point output */
+ outputParameters.suggestedLatency = 0.050; // Pa_GetDeviceInfo( outputParameters.device )->defaultLowOutputLatency;
+ outputParameters.hostApiSpecificStreamInfo = NULL;
+
+ err = Pa_OpenStream(
+ &stream,
+ NULL, /* no input */
+ &outputParameters,
+ SAMPLE_RATE,
+ FRAMES_PER_BUFFER,
+ paClipOff, /* we won't output out of range samples so don't bother clipping them */
+ NULL, /* no callback, use blocking API */
+ NULL ); /* no callback, so no callback userData */
+ if( err != paNoError ) goto error;
+
+
+ printf( "Play 3 times, higher each time.\n" );
+
+ for( k=0; k < 3; ++k )
+ {
+ err = Pa_StartStream( stream );
+ if( err != paNoError ) goto error;
+
+ printf("Play for %d seconds.\n", NUM_SECONDS );
+
+ bufferCount = ((NUM_SECONDS * SAMPLE_RATE) / FRAMES_PER_BUFFER);
+
+ for( i=0; i < bufferCount; i++ )
+ {
+ for( j=0; j < FRAMES_PER_BUFFER; j++ )
+ {
+ buffer[j][0] = sine[left_phase]; /* left */
+ buffer[j][1] = sine[right_phase]; /* right */
+ left_phase += left_inc;
+ if( left_phase >= TABLE_SIZE ) left_phase -= TABLE_SIZE;
+ right_phase += right_inc;
+ if( right_phase >= TABLE_SIZE ) right_phase -= TABLE_SIZE;
+ }
+
+ err = Pa_WriteStream( stream, buffer, FRAMES_PER_BUFFER );
+ if( err != paNoError ) goto error;
+ }
+
+ err = Pa_StopStream( stream );
+ if( err != paNoError ) goto error;
+
+ ++left_inc;
+ ++right_inc;
+
+ Pa_Sleep( 1000 );
+ }
+
+ err = Pa_CloseStream( stream );
+ if( err != paNoError ) goto error;
+
+ Pa_Terminate();
+ printf("Test finished.\n");
+
+ return err;
+
+error:
+ fprintf( stderr, "An error occurred while using the portaudio stream\n" );
+ fprintf( stderr, "Error number: %d\n", err );
+ fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) );
+ // Print more information about the error.
+ if( err == paUnanticipatedHostError )
+ {
+ const PaHostErrorInfo *hostErrorInfo = Pa_GetLastHostErrorInfo();
+ fprintf( stderr, "Host API error = #%ld, hostApiType = %d\n", hostErrorInfo->errorCode, hostErrorInfo->hostApiType );
+ fprintf( stderr, "Host API error = %s\n", hostErrorInfo->errorText );
+ }
+ Pa_Terminate();
+ return err;
+}
diff --git a/3rdparty/portaudio/examples/paex_write_sine_nonint.c b/3rdparty/portaudio/examples/paex_write_sine_nonint.c
new file mode 100644
index 0000000..db78ed7
--- /dev/null
+++ b/3rdparty/portaudio/examples/paex_write_sine_nonint.c
@@ -0,0 +1,167 @@
+/** @file paex_write_sine_nonint.c
+ @ingroup examples_src
+ @brief Play a non-interleaved sine wave using the blocking API (Pa_WriteStream())
+ @author Ross Bencina <rossb@audiomulch.com>
+ @author Phil Burk <philburk@softsynth.com>
+*/
+/*
+ * $Id: patest_write_sine.c 1368 2008-03-01 00:38:27Z rossb $
+ *
+ * This program uses the PortAudio Portable Audio Library.
+ * For more information see: http://www.portaudio.com/
+ * Copyright (c) 1999-2000 Ross Bencina and Phil Burk
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files
+ * (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge,
+ * publish, distribute, sublicense, and/or sell copies of the Software,
+ * and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
+ * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+ * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+/*
+ * The text above constitutes the entire PortAudio license; however,
+ * the PortAudio community also makes the following non-binding requests:
+ *
+ * Any person wishing to distribute modifications to the Software is
+ * requested to send the modifications to the original developer so that
+ * they can be incorporated into the canonical version. It is also
+ * requested that these non-binding requests be included along with the
+ * license above.
+ */
+
+#include <stdio.h>
+#include <math.h>
+#include "portaudio.h"
+
+#define NUM_SECONDS (5)
+#define SAMPLE_RATE (44100)
+#define FRAMES_PER_BUFFER (1024)
+
+#ifndef M_PI
+#define M_PI (3.14159265)
+#endif
+
+#define TABLE_SIZE (200)
+
+
+int main(void);
+int main(void)
+{
+ PaStreamParameters outputParameters;
+ PaStream *stream;
+ PaError err;
+
+ float leftBuffer[FRAMES_PER_BUFFER];
+ float rightBuffer[FRAMES_PER_BUFFER];
+ void *buffers[2]; /* points to both non-interleaved buffers. */
+
+ float sine[TABLE_SIZE]; /* sine wavetable */
+ int left_phase = 0;
+ int right_phase = 0;
+ int left_inc = 1;
+ int right_inc = 3; /* higher pitch so we can distinguish left and right. */
+ int i, j, k;
+ int bufferCount;
+
+
+ printf("PortAudio Test: output sine wave NON-INTERLEAVED. SR = %d, BufSize = %d\n", SAMPLE_RATE, FRAMES_PER_BUFFER);
+
+ /* initialise sinusoidal wavetable */
+ for( i=0; i<TABLE_SIZE; i++ )
+ {
+ sine[i] = (float) sin( ((double)i/(double)TABLE_SIZE) * M_PI * 2. );
+ }
+
+
+ err = Pa_Initialize();
+ if( err != paNoError ) goto error;
+
+ outputParameters.device = Pa_GetDefaultOutputDevice(); /* default output device */
+ if (outputParameters.device == paNoDevice) {
+ fprintf(stderr,"Error: No default output device.\n");
+ goto error;
+ }
+ outputParameters.channelCount = 2; /* stereo output */
+ outputParameters.sampleFormat = paFloat32 | paNonInterleaved; /* 32 bit floating point output NON-INTERLEAVED */
+ outputParameters.suggestedLatency = Pa_GetDeviceInfo( outputParameters.device )->defaultLowOutputLatency;
+ outputParameters.hostApiSpecificStreamInfo = NULL;
+
+ err = Pa_OpenStream(
+ &stream,
+ NULL, /* no input */
+ &outputParameters,
+ SAMPLE_RATE,
+ FRAMES_PER_BUFFER,
+ paClipOff, /* we won't output out of range samples so don't bother clipping them */
+ NULL, /* no callback, use blocking API */
+ NULL ); /* no callback, so no callback userData */
+ if( err != paNoError ) goto error;
+
+
+ printf( "Play 3 times, higher each time.\n" );
+
+ /* Set up array of buffer pointers for Pa_WriteStream */
+ buffers[0] = leftBuffer;
+ buffers[1] = rightBuffer;
+
+ for( k=0; k < 3; ++k )
+ {
+ err = Pa_StartStream( stream );
+ if( err != paNoError ) goto error;
+
+ printf("Play for %d seconds.\n", NUM_SECONDS );
+
+ bufferCount = ((NUM_SECONDS * SAMPLE_RATE) / FRAMES_PER_BUFFER);
+
+ for( i=0; i < bufferCount; i++ )
+ {
+ for( j=0; j < FRAMES_PER_BUFFER; j++ )
+ {
+ leftBuffer[j] = sine[left_phase]; /* left */
+ rightBuffer[j] = sine[right_phase]; /* right */
+ left_phase += left_inc;
+ if( left_phase >= TABLE_SIZE ) left_phase -= TABLE_SIZE;
+ right_phase += right_inc;
+ if( right_phase >= TABLE_SIZE ) right_phase -= TABLE_SIZE;
+ }
+
+ err = Pa_WriteStream( stream, buffers, FRAMES_PER_BUFFER );
+ if( err != paNoError ) goto error;
+ }
+
+ err = Pa_StopStream( stream );
+ if( err != paNoError ) goto error;
+
+ ++left_inc;
+ ++right_inc;
+
+ Pa_Sleep( 1000 );
+ }
+
+ err = Pa_CloseStream( stream );
+ if( err != paNoError ) goto error;
+
+ Pa_Terminate();
+ printf("Test finished.\n");
+
+ return err;
+error:
+ Pa_Terminate();
+ fprintf( stderr, "An error occurred while using the portaudio stream\n" );
+ fprintf( stderr, "Error number: %d\n", err );
+ fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) );
+ return err;
+}