PaError TestRecording( paTestData *dataPtr )
{
PaError err;
int i;
int lastIndex = 0;
/* Open input stream if not already open. */
if( dataPtr->inputStream == NULL )
{
/* Record some audio. */
err = Pa_OpenStream(
&dataPtr->inputStream,
Pa_GetDefaultInputDeviceID(),
dataPtr->samplesPerFrame, /* stereo input */
PA_SAMPLE_TYPE,
NULL,
paNoDevice,
0,
PA_SAMPLE_TYPE,
NULL,
SAMPLE_RATE,
FRAMES_PER_BUFFER, /* frames per buffer */
NUM_REC_BUFS, /* number of buffers, if zero then use default minimum */
paClipOff, /* we won't output out of range samples so don't bother clipping them */
recordCallback,
dataPtr );
if( err != paNoError ) goto error;
}
dataPtr->frameIndex = 0;
err = Pa_StartStream( dataPtr->inputStream );
if( err != paNoError ) goto error;
printf("Now recording!\n"); fflush(stdout);
for( i=0; i<(NUM_SECONDS*1000/SLEEP_DUR_MSEC); i++ )
{
int frameIndex, delta;
Pa_Sleep(SLEEP_DUR_MSEC);
frameIndex = dataPtr->frameIndex;
if( Pa_StreamActive( dataPtr->inputStream ) <= 0)
{
printf("Stream inactive!\n");
break;
}
if( dataPtr->maxFrameIndex <= frameIndex )
{
printf("Buffer recording complete.\n");
break;
}
delta = frameIndex - lastIndex;
lastIndex = frameIndex;
printf("index = %d, delta = %d\n", frameIndex, delta ); fflush(stdout);
}
err = Pa_StopStream( dataPtr->inputStream );
if( err != paNoError ) goto error;
printf("Done.\n"); fflush(stdout);
error:
return err;
}
int TestStopMode( paTestData *data )
{
PortAudioStream *stream;
PaError err;
data->done = 0;
data->phase = 0.0;
data->frameCounter = 0;
data->noteCounter = 0;
data->repeatCounter = 0;
data->phase_increment = data->tune[data->noteCounter];
err = Pa_Initialize();
if( err != paNoError ) goto error;
err = Pa_OpenStream(
&stream,
paNoDevice,/* default input device */
0, /* no input */
paFloat32, /* 32 bit floating point input */
NULL,
OUTPUT_DEVICE,
2, /* stereo output */
paFloat32, /* 32 bit floating point output */
NULL,
SAMPLE_RATE,
FRAMES_PER_BUFFER, /* frames per buffer */
NUM_BUFFERS, /* number of buffers, if zero then use default minimum */
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;
if( data->stopMode == MODE_FINISH )
{
while( Pa_StreamActive( stream ) )
{
/*printf("outTime = %g, note# = %d, repeat# = %d\n", data->outTime,
data->noteCounter, data->repeatCounter );
fflush(stdout); /**/
Pa_Sleep( SLEEP_DUR );
}
}
else
{
while( data->repeatCounter < MAX_REPEATS )
{
/*printf("outTime = %g, note# = %d, repeat# = %d\n", data->outTime,
data->noteCounter, data->repeatCounter );
fflush(stdout); /**/
Pa_Sleep( SLEEP_DUR );
}
}
if( data->stopMode == MODE_ABORT )
{
printf("Call Pa_AbortStream()\n");
err = Pa_AbortStream( stream );
}
else
{
printf("Call Pa_StopStream()\n");
err = Pa_StopStream( stream );
}
if( err != paNoError ) goto error;
printf("Call Pa_CloseStream()\n"); fflush(stdout);
err = Pa_CloseStream( stream );
if( err != paNoError ) goto error;
Pa_Terminate();
printf("Test finished.\n");
return err;
error:
Pa_Terminate();
fprintf( stderr, "An error occured while using the portaudio stream\n" );
fprintf( stderr, "Error number: %d\n", err );
fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) );
return err;
}
int main(void)
{
PaStreamParameters outputParameters;
PaStream *stream;
PaError err;
int safeSineCount, stressedSineCount;
int safeUnderflowCount, stressedUnderflowCount;
paTestData data = {0};
double load;
printf("PortAudio Test: output sine waves, count underflows. SR = %d, BufSize = %d. MAX_LOAD = %f\n",
SAMPLE_RATE, FRAMES_PER_BUFFER, (float)MAX_LOAD );
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 = 1; /* mono 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;
err = Pa_StartStream( stream );
if( err != paNoError ) goto error;
printf("Establishing load conditions...\n" );
/* Determine number of sines required to get to 50% */
do
{
Pa_Sleep( 100 );
load = Pa_GetStreamCpuLoad( stream );
printf("sineCount = %d, CPU load = %f\n", data.sineCount, load );
if( load < 0.3 )
{
data.sineCount += 10;
}
else if( load < 0.4 )
{
data.sineCount += 2;
}
else
{
data.sineCount += 1;
}
}
while( load < 0.5 && data.sineCount < (MAX_SINES-1));
safeSineCount = data.sineCount;
/* Calculate target stress value then ramp up to that level*/
stressedSineCount = (int) (2.0 * data.sineCount * MAX_LOAD );
if( stressedSineCount > MAX_SINES )
stressedSineCount = MAX_SINES;
for( ; data.sineCount < stressedSineCount; data.sineCount+=4 )
{
Pa_Sleep( 100 );
load = Pa_GetStreamCpuLoad( stream );
printf("STRESSING: sineCount = %d, CPU load = %f\n", data.sineCount, load );
}
printf("Counting underflows for 5 seconds.\n");
data.countUnderflows = 1;
Pa_Sleep( 5000 );
stressedUnderflowCount = data.outputUnderflowCount;
data.countUnderflows = 0;
data.sineCount = safeSineCount;
printf("Resuming safe load...\n");
Pa_Sleep( 1500 );
data.outputUnderflowCount = 0;
Pa_Sleep( 1500 );
load = Pa_GetStreamCpuLoad( stream );
printf("sineCount = %d, CPU load = %f\n", data.sineCount, load );
printf("Counting underflows for 5 seconds.\n");
data.countUnderflows = 1;
Pa_Sleep( 5000 );
safeUnderflowCount = data.outputUnderflowCount;
printf("Stop stream.\n");
err = Pa_StopStream( stream );
if( err != paNoError ) goto error;
err = Pa_CloseStream( stream );
if( err != paNoError ) goto error;
Pa_Terminate();
if( stressedUnderflowCount == 0 )
printf("Test failed, no output underflows detected under stress.\n");
else if( safeUnderflowCount != 0 )
printf("Test failed, %d unexpected underflows detected under safe load.\n", safeUnderflowCount);
else
printf("Test passed, %d expected output underflows detected under stress, 0 unexpected underflows detected under safe load.\n", stressedUnderflowCount );
return err;
error:
Pa_Terminate();
fprintf( stderr, "An error occured while using the portaudio stream\n" );
fprintf( stderr, "Error number: %d\n", err );
fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) );
return err;
}
int main(void)
{
PaStreamParameters outputParameters;
PaStream *stream;
PaError err;
TestData data;
int i, j;
printf( "PortAudio Test: output sine wave. SR = %d, BufSize = %d\n",
SAMPLE_RATE, FRAMES_PER_BUFFER );
/* initialise sinusoidal wavetable */
for( i=0; i<TABLE_SIZE; i++ )
{
data.sine[i] = (float) sin( ((double)i/(double)TABLE_SIZE) * M_PI * 2. );
}
err = Pa_Initialize();
if( err != paNoError ) goto error;
outputParameters.device = Pa_GetDefaultOutputDevice();
outputParameters.channelCount = 2; /* stereo output */
outputParameters.sampleFormat = paFloat32; /* 32 bit floating point output */
outputParameters.suggestedLatency = Pa_GetDeviceInfo( outputParameters.device )->defaultLowOutputLatency;
outputParameters.hostApiSpecificStreamInfo = NULL;
err = Pa_OpenStream(
&stream,
NULL, /* no input */
&outputParameters,
SAMPLE_RATE,
FRAMES_PER_BUFFER,
paClipOff, /* output will be in-range, so no need to clip */
TestCallback,
&data );
if( err != paNoError ) goto error;
printf("Repeating test %d times.\n", NUM_LOOPS );
for( i=0; i < NUM_LOOPS; ++i )
{
data.phase = 0;
data.generatedFramesCount = 0;
data.callbackReturnedPaComplete = 0;
data.callbackInvokedAfterReturningPaComplete = 0;
err = Pa_StartStream( stream );
if( err != paNoError ) goto error;
printf("Play for %d seconds.\n", NUM_SECONDS );
/* wait for the callback to complete generating NUM_SECONDS of tone */
do
{
Pa_Sleep( 500 );
}
while( !data.callbackReturnedPaComplete );
printf( "Callback returned paComplete.\n" );
printf( "Waiting for buffers to finish playing...\n" );
/* wait for stream to become inactive,
or for a timeout of approximately NUM_SECONDS
*/
j = 0;
while( (err = Pa_IsStreamActive( stream )) == 1 && j < NUM_SECONDS * 2 )
{
printf(".\n" );
Pa_Sleep( 500 );
++j;
}
if( err < 0 )
{
goto error;
}
else if( err == 1 )
{
printf( "TEST FAILED: Timed out waiting for buffers to finish playing.\n" );
}
else
{
printf("Buffers finished.\n" );
}
if( data.callbackInvokedAfterReturningPaComplete )
{
printf( "TEST FAILED: Callback was invoked after returning paComplete.\n" );
}
err = Pa_StopStream( stream );
if( err != paNoError ) goto error;
}
err = Pa_CloseStream( stream );
if( err != paNoError ) goto error;
Pa_Terminate();
printf("Test finished.\n");
return err;
error:
Pa_Terminate();
fprintf( stderr, "An error occured while using the portaudio stream\n" );
fprintf( stderr, "Error number: %d\n", err );
fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) );
return err;
}
// thread execution starts here
void *AudioThread::Entry()
{
PaError err;
err = Pa_OpenStream(
&mPortStream,
paNoDevice,/* default input device */
0, /* no input */
paInt16, /* 32 bit floating point input */
NULL,
Pa_GetDefaultOutputDeviceID(), /* default output device */
2, /* stereo output */
paInt16, /* 32 bit floating point output */
NULL,
mRate,
2,
0, /* number of buffers, if zero then use default minimum */
paClipOff, /* we won't output out of range samples so don't bother clipping them */
AudioThread::CallbackWrapper,
this );
if( err != paNoError )
{
WriteText(wxT("There was a PortAudio Error on start\n"));
Pa_CloseStream( mPortStream );
return NULL;
}
while(true)
{
if ( TestDestroy() )
{
WriteText("Audio Thread Destroyed\n");
break;
}
if (mStatus == doPlay)
{
PaError err;
err = Pa_StartStream( mPortStream );
if( err != paNoError )
{
WriteText(wxT("There was a PortAudio Error on start\n"));
break;
}
else
mStatus = Playing;
}
if (mStatus == doPause)
{
PaError err;
err = Pa_StopStream( mPortStream );
if( err != paNoError )
{
WriteText(wxT("There was a PortAudio Error on stop\n"));
break;
}
else
mStatus = Paused;
}
wxThread::Sleep(500);
}
Pa_AbortStream( mPortStream );
Pa_CloseStream( mPortStream );
return NULL;
}
void free_portaudio(PaStream *audio_stream)
{
Pa_StopStream(audio_stream);
Pa_Terminate();
}
int main( int argc, char **argv )
{
PaStreamParameters outputParameters;
PaStream *stream;
PaError err;
paTestData data;
int go;
int outLatency = 0;
int minLatency = DEFAULT_BUFFER_SIZE * 2;
int framesPerBuffer;
double sampleRate = 44100.0;
char str[256];
printf("pa_minlat - Determine minimum latency for your computer.\n");
printf(" usage: pa_minlat {userBufferSize}\n");
printf(" for example: pa_minlat 64\n");
printf("Adjust your stereo until you hear a smooth tone in each speaker.\n");
printf("Then try to find the smallest number of frames that still sounds smooth.\n");
printf("Note that the sound will stop momentarily when you change the number of buffers.\n");
/* Get bufferSize from command line. */
framesPerBuffer = ( argc > 1 ) ? atol( argv[1] ) : DEFAULT_BUFFER_SIZE;
printf("Frames per buffer = %d\n", framesPerBuffer );
data.left_phase = data.right_phase = 0.0;
err = Pa_Initialize();
if( err != paNoError ) goto error;
outLatency = sampleRate * 200.0 / 1000.0; /* 200 msec. */
/* Try different numBuffers in a loop. */
go = 1;
while( go )
{
outputParameters.device = Pa_GetDefaultOutputDevice(); /* Default output device. */
outputParameters.channelCount = 2; /* Stereo output */
outputParameters.sampleFormat = paFloat32; /* 32 bit floating point output. */
outputParameters.suggestedLatency = (double)outLatency / sampleRate; /* In seconds. */
outputParameters.hostApiSpecificStreamInfo = NULL;
printf("Latency = %d frames = %6.1f msec.\n", outLatency, outputParameters.suggestedLatency * 1000.0 );
err = Pa_OpenStream(
&stream,
NULL, /* no input */
&outputParameters,
sampleRate,
framesPerBuffer,
paClipOff, /* we won't output out of range samples so don't bother clipping them */
paminlatCallback,
&data );
if( err != paNoError ) goto error;
if( stream == NULL ) goto error;
/* Start audio. */
err = Pa_StartStream( stream );
if( err != paNoError ) goto error;
/* Ask user for a new nlatency. */
printf("\nMove windows around to see if the sound glitches.\n");
printf("Latency now %d, enter new number of frames, or 'q' to quit: ", outLatency );
gets( str );
if( str[0] == 'q' ) go = 0;
else
{
outLatency = atol( str );
if( outLatency < minLatency )
{
printf( "Latency below minimum of %d! Set to minimum!!!\n", minLatency );
outLatency = minLatency;
}
}
/* Stop sound until ENTER hit. */
err = Pa_StopStream( stream );
if( err != paNoError ) goto error;
err = Pa_CloseStream( stream );
if( err != paNoError ) goto error;
}
printf("A good setting for latency would be somewhat higher than\n");
printf("the minimum latency that worked.\n");
printf("PortAudio: Test finished.\n");
Pa_Terminate();
return 0;
error:
Pa_Terminate();
fprintf( stderr, "An error occured while using the portaudio stream\n" );
fprintf( stderr, "Error number: %d\n", err );
fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) );
return 1;
}
Main()
{
mScale = 0.1f;
mOffset = 1.0f;
mDataOffset = 0;
isClicked = false;
screen = Vec2<unsigned int>(800, 600);
std::setlocale(LC_ALL, "en_US.UTF-8");
glfwInit();
glfwWindowHint(GLFW_CLIENT_API, GLFW_OPENGL_API);
glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
//glfwWindowHint(GLFW_OPENGL_DEBUG_CONTEXT, GL_TRUE);
glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 0);
GLFWwindow* window = glfwCreateWindow(screen.x, screen.y, "test", nullptr, nullptr);
if (window == nullptr)
{
printf("cant create window");
return;
}
glfwSetWindowSizeCallback(window, windowSizeCallback);
glfwSetKeyCallback(window, keyCallback);
glfwSetMouseButtonCallback(window, clickCallback);
glfwSetCursorPosCallback(window, mouseCallback);
glfwMakeContextCurrent(window);
glewExperimental = true;
glewInit();
int tmp;
glGetIntegerv(GL_MAX_ELEMENTS_VERTICES , &tmp);
std::cout << "GL_MAX_ELEMENTS_VERTICES: " << tmp << std::endl;
int err = Pa_Initialize();
if (err != paNoError)
printf("error");
int num = Pa_GetDeviceCount();
const PaDeviceInfo* devInfo;
const PaHostApiInfo* apiInfo;
for (int i = 0; i < num; ++i) {
devInfo = Pa_GetDeviceInfo(i);
apiInfo = Pa_GetHostApiInfo(devInfo->hostApi);
printf("%i, %s on %s\n", i, devInfo->name, apiInfo->name);
}
float sampleRate = 44100.0f;
double t = glfwGetTime();
Kern k(sampleRate, 12, 4 * 16.352f, sampleRate / 2);
BlockMatrix<std::complex<double>> b(k.K, k.mN0, k.mB, 0.01);
mAudioData = new double[b.getWidth()];
mAudioLength = b.getWidth();
for (unsigned int i = 0; i < mAudioLength; ++i) {
mAudioData[i] = wave(55, sampleRate, i) + wave(110, sampleRate, i) + wave(220, sampleRate, i)
+ wave(440, sampleRate, i) + wave(880, sampleRate, i) + wave(1760, sampleRate, i)
+ wave(3520, sampleRate, i) + wave(7040, sampleRate, i);
}
printf("kernel time:%f\n", glfwGetTime() - t);
float drawArray[k.mB * 2];
std::complex<double> out[k.mB];
CQT::transform(mAudioData, out, b, mAudioLength);
t = glfwGetTime();
printf("transform time:%f\n", glfwGetTime() - t);
//glEnable(GL_DEBUG_OUTPUT_SYNCHRONOUS);
glDebugMessageCallback(debugCallback, nullptr);
//glEnable(GL_DEBUG_OUTPUT);
printf("%s\n", glGetString(GL_VERSION));
Shader fs("res/shader/fragment.c", true, GL_FRAGMENT_SHADER);
Shader vs("res/shader/vertex.c", true, GL_VERTEX_SHADER);
Program* p = new Program();
p->attach(fs);
p->attach(vs);
p->build();
p->use();
Program p2;
Shader fs2("res/shader/fragment2.c", true, GL_FRAGMENT_SHADER);
Shader vs2("res/shader/vertex2.c", true, GL_VERTEX_SHADER);
p2.attach(fs2);
p2.attach(vs2);
p2.build();
p2.use();
int uniformData = p2.getUniformLocation("data");
unsigned int waterfallSize = 512;
tm = new TextureManager();
unsigned int waterfallTexture;
unsigned int waterfallId = tm->getFreeTexture();
glGenTextures(1, &waterfallTexture);
glActiveTexture(GL_TEXTURE0 + waterfallId);
glBindTexture( GL_TEXTURE0, waterfallTexture );
glTexParameteri(GL_TEXTURE_2D_ARRAY, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D_ARRAY, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
unsigned char* textureTmp = new unsigned char[waterfallSize * b.getWidth()];
glTexImage2D( GL_TEXTURE_2D_ARRAY, 0, GL_R8, b.getWidth(), waterfallSize, 0, GL_RED, GL_UNSIGNED_BYTE, textureTmp);
delete textureTmp;
float max = 0;
for (unsigned int i = 0; i < k.mB; ++i) {
drawArray[2 * i + 0] = (float)i / k.mB * 2.0f - 1.0f;
float tmp = std::abs(out[i]);
drawArray[2 * i + 1] = tmp;
max = std::max(tmp, max);
}
font = new Font(512, "res/font/DroidSans.woff", 32, tm);
print = new Print(font);
//print.set(&font, "res/shader/fontVertex.c", "res/shader/fontFragment.c");
print->setScreenSize(screen);
glm::vec2* vert = new glm::vec2[1024];
glm::vec2* debug = new glm::vec2[b.getWidth()];
for (unsigned int i = 0; i < b.getWidth(); ++i) {
debug[i].x = (float)i / b.getWidth() * 2.0f - 1.0f;
}
uint32_t vao;
glGenVertexArrays(1, &vao);
glBindVertexArray(vao);
uint32_t vbo[2];
glGenBuffers(1, vbo);
glBindBuffer(GL_ARRAY_BUFFER, vbo[0]);
glEnableVertexAttribArray(0);
glBufferData(GL_ARRAY_BUFFER, k.mB * sizeof(glm::vec2), drawArray, GL_DYNAMIC_DRAW);
glVertexAttribPointer(0, 2, GL_FLOAT, GL_FALSE, 0, 0);
glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
glEnable(GL_BLEND);
glfwSetWindowUserPointer(window, this);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
double time, timeo;
glfwSwapInterval(1);
PaStream* stream;
PaStreamParameters params;
params.device = 21;
params.channelCount = 1;
params.sampleFormat = paFloat32;
params.hostApiSpecificStreamInfo = nullptr;
params.suggestedLatency = 0.5;
err = Pa_OpenStream(&stream, ¶ms, nullptr, sampleRate, paFramesPerBufferUnspecified, 0, paCallback, this);
if (err != paNoError)
printf("error %i", err);
Pa_StartStream(stream);
while(!glfwWindowShouldClose(window))
{
timeo = time;
time = glfwGetTime();
CQT::transform(mAudioData, out, b, mAudioLength);
max = 0.0f;
for (unsigned int i = 0; i < k.mB; ++i) {
drawArray[2 * i + 0] = (float)i / k.mB * 2.0f - 1.0f;
float tmp = std::abs(out[i]);
drawArray[2 * i + 1] = tmp;
max = std::max(tmp, max);
}
for (unsigned int i = 0; i < k.mB; ++i) {
drawArray[2 * i + 1] = std::log(drawArray[2 * i +1]) * mScale + mOffset;
}
//printf("%f\n", drawArray[1]);
glBindVertexArray(vao);
glBindBuffer(GL_ARRAY_BUFFER, vbo[0]);
glBufferData(GL_ARRAY_BUFFER, k.mB * sizeof(glm::vec2), drawArray, GL_DYNAMIC_DRAW);
p->use();
glDrawArrays(GL_LINE_STRIP, 0, k.mB);
for (unsigned int i = 0; i < b.getWidth(); ++i) {
debug[i].y = mAudioData[i] / 15.0;
}
glBufferData(GL_ARRAY_BUFFER, b.getWidth() * sizeof(glm::vec2), debug, GL_DYNAMIC_DRAW);
glDrawArrays(GL_LINE_STRIP, 0, b.getWidth());
print->printfAt(-300.0f, 100.0f, 16.0f, 16.0f, u8"Fps:%03.3f", 1/(time-timeo));
glfwSwapBuffers(window);
glClear(GL_COLOR_BUFFER_BIT);
glfwPollEvents();
}
Pa_StopStream(stream);
Pa_CloseStream(stream);
Pa_Terminate();
std::cout << "Hello World. I'm Peach." << std::endl;
}
int main(int argc, char* argv[])
{
PaStreamParameters outputParameters;
PaWinMmeStreamInfo wmmeStreamInfo;
PaStream *stream;
PaError err;
paTestData data;
int deviceIndex;
FILE *fp;
const char *fileName = "c:\\test_48k.ac3.spdif";
data.buffer = NULL;
printf("usage: patest_wmme_ac3 fileName [paDeviceIndex]\n");
printf("**IMPORTANT*** The provided file must include the spdif preamble at the start of every AC-3 frame. Using a normal ac3 file won't work.\n");
printf("PortAudio Test: output a raw spdif ac3 stream. SR = %d, BufSize = %d, Chans = %d\n",
SAMPLE_RATE, FRAMES_PER_BUFFER, CHANNEL_COUNT);
if( argc >= 2 )
fileName = argv[1];
printf( "reading spdif ac3 raw stream file %s\n", fileName );
fp = fopen( fileName, "rb" );
if( !fp ){
fprintf( stderr, "error opening spdif ac3 file.\n" );
return -1;
}
/* get file size */
fseek( fp, 0, SEEK_END );
data.bufferSampleCount = ftell( fp ) / sizeof(short);
fseek( fp, 0, SEEK_SET );
/* allocate buffer, read the whole file into memory */
data.buffer = (short*)malloc( data.bufferSampleCount * sizeof(short) );
if( !data.buffer ){
fprintf( stderr, "error allocating buffer.\n" );
return -1;
}
fread( data.buffer, sizeof(short), data.bufferSampleCount, fp );
fclose( fp );
data.playbackIndex = 0;
err = Pa_Initialize();
if( err != paNoError ) goto error;
deviceIndex = Pa_GetHostApiInfo( Pa_HostApiTypeIdToHostApiIndex( paMME ) )->defaultOutputDevice;
if( argc >= 3 ){
sscanf( argv[1], "%d", &deviceIndex );
}
printf( "using device id %d (%s)\n", deviceIndex, Pa_GetDeviceInfo(deviceIndex)->name );
outputParameters.device = deviceIndex;
outputParameters.channelCount = CHANNEL_COUNT;
outputParameters.sampleFormat = paInt16; /* IMPORTANT must use paInt16 for WMME AC3 */
outputParameters.suggestedLatency = Pa_GetDeviceInfo( outputParameters.device )->defaultLowOutputLatency;
outputParameters.hostApiSpecificStreamInfo = NULL;
wmmeStreamInfo.size = sizeof(PaWinMmeStreamInfo);
wmmeStreamInfo.hostApiType = paMME;
wmmeStreamInfo.version = 1;
wmmeStreamInfo.flags = paWinMmeWaveFormatDolbyAc3Spdif;
outputParameters.hostApiSpecificStreamInfo = &wmmeStreamInfo;
if( Pa_IsFormatSupported( 0, &outputParameters, SAMPLE_RATE ) == paFormatIsSupported ){
printf( "Pa_IsFormatSupported reports device will support %d channels.\n", CHANNEL_COUNT );
}else{
printf( "Pa_IsFormatSupported reports device will not support %d channels.\n", CHANNEL_COUNT );
}
err = Pa_OpenStream(
&stream,
NULL, /* no input */
&outputParameters,
SAMPLE_RATE,
FRAMES_PER_BUFFER,
0,
patestCallback,
&data );
if( err != paNoError ) goto error;
err = Pa_StartStream( stream );
if( err != paNoError ) goto error;
printf("Play for %d seconds.\n", NUM_SECONDS );
Pa_Sleep( NUM_SECONDS * 1000 );
err = Pa_StopStream( stream );
if( err != paNoError ) goto error;
err = Pa_CloseStream( stream );
if( err != paNoError ) goto error;
Pa_Terminate();
free( data.buffer );
printf("Test finished.\n");
return err;
error:
Pa_Terminate();
free( data.buffer );
fprintf( stderr, "An error occured while using the portaudio stream\n" );
fprintf( stderr, "Error number: %d\n", err );
fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) );
return err;
}
static PaCtx *
pa_phone_setup(void) {
PaCtx *ctx;
int err, i, srcerr;
PaError err2;
err = paNoError;
err2 = 0;
if ((ctx = calloc(1, sizeof(PaCtx))) == NULL) {
WHY("Unable to allocate PA context");
err2 = 1;
goto error;
}
/* Init mutex */
if (pthread_mutex_init(&ctx->mtx, NULL) != 0) {
WHYF("Unable to init mutex: %s\n", strerror(errno));
err2 = 1;
goto error;
}
/* Allocate FIFOs */
i = IN_FRAMES * 10 * sizeof(int16_t);
printf("Allocating %d byte FIFOs\n", i);
if ((ctx->incoming = fifo_alloc(i)) == NULL) {
WHY("Unable to allocate incoming FIFO\n");
err2 = 1;
goto error;
}
if ((ctx->incrate = fifo_alloc(i)) == NULL) {
WHY("Unable to allocate incoming SRC FIFO\n");
err2 = 1;
goto error;
}
if ((ctx->outgoing = fifo_alloc(i)) == NULL) {
WHY("Unable to allocate outgoing FIFO\n");
err2 = 1;
goto error;
}
/* Init sample rate converter */
if ((ctx->src = src_new(SRC_SINC_BEST_QUALITY, 1, &srcerr)) == NULL) {
WHYF("Unable to init sample rate converter: %d\n", srcerr);
err2 = 1;
goto error;
}
/* Init echo canceller */
if ((ctx->echocan = echo_can_init(ECHO_LEN, ADAPT_MODE)) == NULL) {
WHY("Unable to init echo canceller\n");
err2 = 1;
goto error;
}
/* Init codec2 */
if ((ctx->codec2 = codec2_create()) == NULL) {
WHY("Unable to init codec2\n");
err2 = 1;
goto error;
}
/* Initialize Port Audio library */
if ((err = Pa_Initialize()) != paNoError)
goto error;
/* Open an audio I/O stream. */
if ((err = Pa_OpenDefaultStream(&ctx->stream,
1, /* input channels */
1, /* output channels */
paInt16,
SAMPLE_RATE,
IN_FRAMES, /* frames per buffer */
patestCallback,
&ctx)) != paNoError)
goto error;
/* Start stream */
if ((err = Pa_StartStream(ctx->stream)) != paNoError)
goto error;
/* Close down stream, PA, etc */
/* XXX: hangs in pthread_join on Ubuntu 10.04 */
#ifndef linux
if ((err = Pa_StopStream(ctx->stream)) != paNoError)
goto error;
#endif
/* Do stuff */
if ((err = Pa_CloseStream(ctx->stream)) != paNoError)
goto error;
error:
Pa_Terminate();
/* Free things */
freectx(ctx);
if (err != paNoError)
WHYF("Port audio error: %s\n", Pa_GetErrorText(err));
return NULL;
}
int main(void)
{
int i;
PaStream* stream;
PaStreamParameters outputParameters;
PaError err;
paTestData data = {0};
double load;
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.sine[TABLE_SIZE] = data.sine[0]; /* set guard point */
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.hostApiSpecificStreamInfo = NULL;
outputParameters.suggestedLatency = Pa_GetDeviceInfo(outputParameters.device)
->defaultHighOutputLatency;
err = Pa_OpenStream(&stream,
NULL, /* no input */
&outputParameters,
SAMPLE_RATE,
FRAMES_PER_BUFFER,
paClipOff, /* No out of range samples should occur. */
patestCallback,
&data);
if( err != paNoError )
goto error;
err = Pa_StartStream( stream );
if( err != paNoError )
goto error;
/* Play an increasing number of sine waves until we hit MAX_USAGE */
do {
data.numSines++;
Pa_Sleep(200);
load = Pa_GetStreamCpuLoad(stream);
printf("numSines = %d, CPU load = %f\n", data.numSines, load );
fflush(stdout);
} while((load < MAX_USAGE) && (data.numSines < MAX_SINES));
Pa_Sleep(2000); /* Stay for 2 seconds around 80% CPU. */
err = Pa_StopStream( stream );
if( err != paNoError )
goto error;
err = Pa_CloseStream( stream );
if( err != paNoError )
goto error;
Pa_Terminate();
printf("Test finished.\n");
return err;
error:
Pa_Terminate();
fprintf( stderr, "An error occured while using the portaudio stream\n" );
fprintf( stderr, "Error number: %d\n", err );
fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) );
return err;
}
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);
data.phase = 0;
for (i = 0 ; i < 12 ; i++) {
data.amplitudes[i] = 0;
data.states[i] = DECAY;
}
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 = 1; /* mono 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;
/* set up unbuffered reading */
struct termios tio;
tcgetattr(1,&tio);
tio.c_lflag &=(~ICANON & ~ECHO);
tcsetattr(1,TCSANOW,&tio);
int pressed = -1;
while(1) {
switch (getc(stdin)) {
case 'C':
pressed = 0;
break;
case 'd':
pressed = 1;
break;
case 'D':
pressed = 2;
break;
case 'e':
pressed = 3;
break;
case 'E':
pressed = 4;
break;
case 'F':
pressed = 5;
break;
case 'g':
pressed = 6;
break;
case 'G':
pressed = 7;
break;
case 'a':
pressed = 8;
break;
case 'A':
pressed = 9;
break;
case 'b':
pressed = 10;
break;
case 'B':
pressed = 11;
break;
}
if (pressed != -1) {
data.states[pressed] = ATTACK;
}
}
err = Pa_StopStream( stream );
if( err != paNoError ) goto error;
err = Pa_CloseStream( stream );
if( err != paNoError ) goto error;
Pa_Terminate();
printf("Test finished.\n");
return err;
error:
Pa_Terminate();
fprintf( stderr, "An error occured while using the portaudio stream\n" );
fprintf( stderr, "Error number: %d\n", err );
fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) );
return err;
}
int main(void)
{
PortAudioStream *stream;
PaError err;
paTestData data;
int i;
PaDeviceID inputDevice;
const PaDeviceInfo *pdi;
printf("PortAudio Test: input signal from each channel. %d buffers\n", NUM_BUFFERS );
data.liveChannel = 0;
err = Pa_Initialize();
if( err != paNoError ) goto error;
#ifdef INPUT_DEVICE_NAME
printf("Try to use device: %s\n", INPUT_DEVICE_NAME );
inputDevice = PaFindDeviceByName(INPUT_DEVICE_NAME);
if( inputDevice == paNoDevice )
{
printf("Could not find %s. Using default instead.\n", INPUT_DEVICE_NAME );
inputDevice = Pa_GetDefaultInputDeviceID();
}
#else
printf("Using default input device.\n");
inputDevice = Pa_GetDefaultInputDeviceID();
#endif
pdi = Pa_GetDeviceInfo( inputDevice );
if( pdi == NULL )
{
printf("Could not get device info!\n");
goto error;
}
data.numChannels = pdi->maxInputChannels;
printf("Input Device name is %s\n", pdi->name );
printf("Input Device has %d channels.\n", pdi->maxInputChannels);
err = Pa_OpenStream(
&stream,
inputDevice,
pdi->maxInputChannels,
paFloat32, /* 32 bit floating point input */
NULL,
OUTPUT_DEVICE,
2,
paFloat32, /* 32 bit floating point output */
NULL,
SAMPLE_RATE,
FRAMES_PER_BUFFER, /* frames per buffer */
NUM_BUFFERS, /* number of buffers, if zero then use default minimum */
paClipOff, /* we won't output out of range samples so don't bother clipping them */
patestCallback,
&data );
if( err != paNoError ) goto error;
data.liveChannel = 0;
err = Pa_StartStream( stream );
if( err != paNoError ) goto error;
for( i=0; i<data.numChannels; i++ )
{
data.liveChannel = i;
printf("Channel %d being sent to output. Hit ENTER for next channel.", i );
fflush(stdout);
getchar();
}
err = Pa_StopStream( stream );
if( err != paNoError ) goto error;
err = Pa_CloseStream( stream );
Pa_Terminate();
printf("Test finished.\n");
return err;
error:
Pa_Terminate();
fprintf( stderr, "An error occured while using the portaudio stream\n" );
fprintf( stderr, "Error number: %d\n", err );
fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) );
return err;
}
int main(void)
{
PaStreamParameters outputParameters;
PaStream *stream;
PaError err;
paTestData data;
const PaDeviceInfo *device;
PaWasapiDeviceRole role;
int i;
PaWasapiStreamInfo ws_info = { 0 };
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;
for (i = 0; i < Pa_GetDeviceCount(); ++i)
{
device = Pa_GetDeviceInfo(i);
if (Pa_GetDeviceInfo(i)->maxInputChannels != 0)
continue;
if (Pa_GetDeviceInfo(i)->hostApi != Pa_HostApiTypeIdToHostApiIndex(paWASAPI))
continue;
role = PaWasapi_GetDeviceRole(i);
if (role == eRoleSpeakers)
break;
}
if (role != eRoleSpeakers)
{
fprintf(stderr,"Error: No WASAPI Speakers.\n");
return -1;
}
outputParameters.device = i;//Pa_GetDefaultOutputDevice(); /* default output device */
ws_info.size = sizeof(ws_info);
ws_info.hostApiType = paWASAPI;
ws_info.version = 1;
ws_info.flags = paWinWasapiExclusive;
if (outputParameters.device == paNoDevice) {
fprintf(stderr,"Error: No default output device.\n");
goto error;
}
outputParameters.channelCount = 2;
outputParameters.sampleFormat = paInt16;
outputParameters.suggestedLatency = Pa_GetDeviceInfo( outputParameters.device )->defaultHighOutputLatency;
outputParameters.hostApiSpecificStreamInfo = &ws_info;
err = Pa_OpenStream(
&stream,
NULL, /* no input */
&outputParameters,
SAMPLE_RATE,
paFramesPerBufferUnspecified/*FRAMES_PER_BUFFER*/,
paClipOff|paPrimeOutputBuffersUsingStreamCallback, /* 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 );
//while (1) { Pa_Sleep(2); }
err = Pa_StopStream( stream );
if( err != paNoError ) goto error;
err = Pa_CloseStream( stream );
if( err != paNoError ) goto error;
Pa_Terminate();
printf("Test finished.\n");
return err;
error:
Pa_Terminate();
fprintf( stderr, "An error occured while using the portaudio stream\n" );
fprintf( stderr, "Error number: %d\n", err );
fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) );
return err;
}
int main(void)
{
PortAudioStream *stream;
PaError err;
paTestData DATA;
int i;
int totalSamps;
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;
DATA.framesToGo = totalSamps = NUM_SECONDS * SAMPLE_RATE; /* Play for a few seconds. */
err = Pa_Initialize();
if( err != paNoError ) goto error;
err = Pa_OpenStream(
&stream,
paNoDevice,/* default input device */
0, /* no input */
paFloat32, /* 32 bit floating point input */
NULL,
Pa_GetDefaultOutputDeviceID(), /* default output device */
2, /* stereo output */
paFloat32, /* 32 bit floating point output */
NULL,
SAMPLE_RATE,
FRAMES_PER_BUFFER, /* frames per buffer */
NUM_BUFFERS, /* number of buffers, if zero then use default minimum */
paClipOff, /* we won't output out of range samples so don't bother clipping them */
patestCallback,
&DATA );
if( err != paNoError ) goto error;
DATA.outTime = -1.0; // mark time for callback as undefined
err = Pa_StartStream( stream );
if( err != paNoError ) goto error;
/* Watch until sound is halfway finished. */
printf("Play for %d seconds.\n", NUM_SECONDS/2 ); fflush(stdout);
do
{
ReportStreamTime( stream, &DATA );
Pa_Sleep(100);
} while( Pa_StreamTime( stream ) < (totalSamps/2) );
/* Stop sound until ENTER hit. */
err = Pa_StopStream( stream );
if( err != paNoError ) goto error;
printf("Pause for 2 seconds.\n"); fflush(stdout);
Pa_Sleep( 2000 );
DATA.outTime = -1.0; // mark time for callback as undefined
err = Pa_StartStream( stream );
if( err != paNoError ) goto error;
printf("Play until sound is finished.\n"); fflush(stdout);
do
{
ReportStreamTime( stream, &DATA );
Pa_Sleep(100);
} while( Pa_StreamActive( stream ) );
err = Pa_CloseStream( stream );
if( err != paNoError ) goto error;
Pa_Terminate();
printf("Test finished.\n");
return err;
error:
Pa_Terminate();
fprintf( stderr, "An error occured while using the portaudio stream\n" );
fprintf( stderr, "Error number: %d\n", err );
fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) );
return err;
}
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 occured while using the portaudio stream\n" );
fprintf( stderr, "Error number: %d\n", err );
fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) );
return err;
}
bool stop() {
mErrNum = paNoError;
if(mIsRunning) mErrNum = Pa_StopStream(mStream);
if(paNoError == mErrNum) mIsRunning = false;
return paNoError == mErrNum;
}
int main(void)
{
PortAudioStream *stream;
PaError err;
paTestData data;
int i;
int timeout;
printf("Play different tone sine waves that alternate between left and right channel.\n");
printf("The low tone should be on the left channel.\n");
/* 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 = data.toggle = 0;
data.countDown = SAMPLE_RATE;
err = Pa_Initialize();
if( err != paNoError ) goto error;
err = Pa_OpenStream(
&stream,
paNoDevice,/* default input device */
0, /* no input */
paFloat32, /* 32 bit floating point input */
NULL,
Pa_GetDefaultOutputDeviceID(), /* default output device */
2, /* stereo output */
paFloat32, /* 32 bit floating point output */
NULL,
SAMPLE_RATE,
FRAMES_PER_BUFFER, /* frames per buffer */
0, /* number of buffers, if zero then use default minimum */
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 several seconds.\n");
timeout = NUM_SECONDS * 4;
while( timeout > 0 )
{
Pa_Sleep( 300 );
timeout -= 1;
}
err = Pa_StopStream( stream );
if( err != paNoError ) goto error;
err = Pa_CloseStream( stream );
if( err != paNoError ) goto error;
Pa_Terminate();
printf("Test finished.\n");
return err;
error:
Pa_Terminate();
fprintf( stderr, "An error occured while using the portaudio stream\n" );
fprintf( stderr, "Error number: %d\n", err );
fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) );
return err;
}
int main(int argc, char* argv[])
{
PaStreamParameters outputParameters;
PaWinDirectSoundStreamInfo directSoundStreamInfo;
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( paDirectSound ) )->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 */
directSoundStreamInfo.size = sizeof(PaWinDirectSoundStreamInfo);
directSoundStreamInfo.hostApiType = paDirectSound;
directSoundStreamInfo.version = 1;
directSoundStreamInfo.flags = paWinDirectSoundUseChannelMask;
directSoundStreamInfo.channelMask = PAWIN_SPEAKER_5POINT1; /* request 5.1 output format */
outputParameters.hostApiSpecificStreamInfo = &directSoundStreamInfo;
if( Pa_IsFormatSupported( 0, &outputParameters, SAMPLE_RATE ) == paFormatIsSupported ){
printf( "Pa_IsFormatSupported reports device will support %d channels.\n", CHANNEL_COUNT );
}else{
printf( "Pa_IsFormatSupported reports device will not support %d channels.\n", CHANNEL_COUNT );
}
err = Pa_OpenStream(
&stream,
NULL, /* no input */
&outputParameters,
SAMPLE_RATE,
FRAMES_PER_BUFFER,
paClipOff, /* we won't output out of range samples so don't bother clipping them */
patestCallback,
&data );
if( err != paNoError ) goto error;
err = Pa_StartStream( stream );
if( err != paNoError ) goto error;
printf("Play for %d seconds.\n", NUM_SECONDS );
Pa_Sleep( NUM_SECONDS * 1000 );
err = Pa_StopStream( stream );
if( err != paNoError ) goto error;
err = Pa_CloseStream( stream );
if( err != paNoError ) goto error;
Pa_Terminate();
printf("Test finished.\n");
return err;
error:
Pa_Terminate();
fprintf( stderr, "An error occured while using the portaudio stream\n" );
fprintf( stderr, "Error number: %d\n", err );
fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) );
return err;
}
static void *output_thread(void *ptr) {
int err;
int output_buffer_size;
#ifndef PORTAUDIO_DEV
int num_mixers, nbVolumes, volumeIdx;
#endif
struct timeval now;
struct timespec timeout;
slimaudio_t *audio = (slimaudio_t *) ptr;
audio->output_STMs = false;
audio->output_STMu = false;
err = Pa_Initialize();
if (err != paNoError) {
printf("PortAudio error4: %s Could not open any audio devices.\n", Pa_GetErrorText(err) );
exit(-1);
}
if ( audio->renice )
if ( slimproto_renice_thread (-5) ) /* Increase priority */
fprintf(stderr, "output_thread: renice failed. Got Root?\n");
#ifndef PORTAUDIO_DEV
DEBUGF("output_thread: output_device_id : %i\n", audio->output_device_id );
DEBUGF("output_thread: pa_framesPerBuffer: %lu\n", pa_framesPerBuffer );
DEBUGF("output_thread: pa_numberOfBuffers: %lu\n", pa_numberOfBuffers );
err = Pa_OpenStream( &audio->pa_stream, /* stream */
paNoDevice, /* input device */
0, /* input channels */
0, /* input sample format */
NULL, /* input driver info */
audio->output_device_id,/* output device */
2, /* output channels */
paInt16, /* output sample format */
NULL, /* output driver info */
44100.0, /* sample rate */
pa_framesPerBuffer, /* frames per buffer */
pa_numberOfBuffers, /* number of buffers */
paNoFlag, /* stream flags */
pa_callback, /* callback */
audio); /* user data */
#else
PaStreamParameters outputParameters;
const PaDeviceInfo * paDeviceInfo;
float newLatency;
#ifdef PADEV_WASAPI
PaWasapiStreamInfo streamInfo;
const PaHostApiInfo *paHostApiInfo;
#endif
paDeviceInfo = Pa_GetDeviceInfo(audio->output_device_id);
/* Device is not stereo or better, abort */
if (paDeviceInfo->maxOutputChannels < 2)
{
printf("output_thread: PortAudio device does not support 44.1KHz, 16-bit, stereo audio.\n");
printf("output_thread: Use -L for a list of supported audio devices, then use -o followed\n");
printf("output_thread: by the device number listed before the colon. See -h for details.\n");
exit(-2);
}
outputParameters.device = audio->output_device_id;
#ifdef SLIMPROTO_ZONES
outputParameters.channelCount = 2 * audio->output_num_zones;
#else
outputParameters.channelCount = 2;
#endif
outputParameters.sampleFormat = paInt16;
outputParameters.suggestedLatency = paDeviceInfo->defaultHighOutputLatency;
if ( audio->modify_latency )
{
newLatency = (float) audio->user_latency / 1000.0;
if ( ( newLatency > 1.0 ) || ( newLatency <= paDeviceInfo->defaultLowOutputLatency ) )
{
fprintf (stderr, "User defined latency %f out of range %f-1.0, using default.\n",
newLatency, paDeviceInfo->defaultLowOutputLatency );
newLatency = paDeviceInfo->defaultHighOutputLatency;
}
outputParameters.suggestedLatency = newLatency ;
}
#ifdef PADEV_WASAPI
/* Use exclusive mode for WASAPI device, default is shared */
paHostApiInfo = Pa_GetHostApiInfo ( paDeviceInfo->hostApi );
if ( paHostApiInfo != NULL )
{
if ( paHostApiInfo->type == paWASAPI )
{
/* Use exclusive mode for WasApi device, default is shared */
if (wasapi_exclusive)
{
streamInfo.size = sizeof(PaWasapiStreamInfo);
streamInfo.hostApiType = paWASAPI;
streamInfo.version = 1;
streamInfo.flags = paWinWasapiExclusive;
outputParameters.hostApiSpecificStreamInfo = &streamInfo;
DEBUGF("WASAPI: Exclusive\n");
}
else
{
outputParameters.hostApiSpecificStreamInfo = NULL;
DEBUGF("WASAPI: Shared\n");
}
}
}
#else
outputParameters.hostApiSpecificStreamInfo = NULL;
#endif
DEBUGF("paDeviceInfo->deviceid %d\n", outputParameters.device);
DEBUGF("paDeviceInfo->maxOutputChannels %i\n", paDeviceInfo->maxOutputChannels);
DEBUGF("outputParameters.suggestedLatency %f\n", outputParameters.suggestedLatency);
DEBUGF("paDeviceInfo->defaultHighOutputLatency %f\n", (float) paDeviceInfo->defaultHighOutputLatency);
DEBUGF("paDeviceInfo->defaultLowOutputLatency %f\n", (float) paDeviceInfo->defaultLowOutputLatency);
DEBUGF("paDeviceInfo->defaultSampleRate %f\n", paDeviceInfo->defaultSampleRate);
err = Pa_OpenStream ( &audio->pa_stream, /* stream */
NULL, /* inputParameters */
&outputParameters, /* outputParameters */
44100.0, /* sample rate */
paFramesPerBufferUnspecified, /* framesPerBuffer */
paPrimeOutputBuffersUsingStreamCallback, /* streamFlags */
pa_callback, /* streamCallback */
audio); /* userData */
#endif
#ifdef BSD_THREAD_LOCKING
pthread_mutex_lock(&audio->output_mutex);
#endif
if (err != paNoError) {
printf("output_thread: PortAudio error1: %s\n", Pa_GetErrorText(err) );
exit(-1);
}
#ifndef PORTAUDIO_DEV
num_mixers = Px_GetNumMixers(audio->pa_stream);
while (--num_mixers >= 0) {
DEBUGF("Mixer: %s\n", Px_GetMixerName(audio->pa_stream, num_mixers));
}
if (audio->volume_control == VOLUME_DRIVER) {
DEBUGF("Opening mixer.\n" );
audio->px_mixer = Px_OpenMixer(audio->pa_stream, 0);
}
if (audio->px_mixer != NULL) {
DEBUGF("Px_mixer = %p\n", audio->px_mixer);
DEBUGF("PCM volume supported: %d.\n",
Px_SupportsPCMOutputVolume(audio->px_mixer));
nbVolumes = Px_GetNumOutputVolumes(audio->px_mixer);
DEBUGF("Nb volumes supported: %d.\n", nbVolumes);
for (volumeIdx=0; volumeIdx<nbVolumes; ++volumeIdx) {
DEBUGF("Volume %d: %s\n", volumeIdx,
Px_GetOutputVolumeName(audio->px_mixer, volumeIdx));
}
}
#endif
while (audio->output_state != QUIT) {
switch (audio->output_state) {
case STOPPED:
audio->decode_num_tracks_started = 0L;
audio->stream_samples = 0UL;
audio->pa_streamtime_offset = audio->stream_samples;
DEBUGF("output_thread STOPPED: %llu\n",audio->pa_streamtime_offset);
slimaudio_buffer_set_readopt(audio->output_buffer, BUFFER_BLOCKING);
case PAUSED:
/* We report ourselves to the server every few seconds
** as a keep-alive. This is required for Squeezebox Server
** v6.5.x although technically, "stat" is not a valid event
** code for the STAT Client->Server message. This was
** lifted by observing how a Squeezebox3 reports itself to
** the server using Squeezebox Server's d_slimproto and
** d_slimproto_v tracing services. Note that Squeezebox3
** seems to report every 1 second or so, but the server only
** drops the connection after 15-20 seconds of inactivity.
*/
DEBUGF("output_thread PAUSED: %llu\n",audio->pa_streamtime_offset);
if (audio->keepalive_interval <= 0) {
pthread_cond_wait(&audio->output_cond, &audio->output_mutex);
}
else {
gettimeofday(&now, NULL);
timeout.tv_sec = now.tv_sec + audio->keepalive_interval;
timeout.tv_nsec = now.tv_usec * 1000;
err = pthread_cond_timedwait(&audio->output_cond,
&audio->output_mutex, &timeout);
if (err == ETIMEDOUT) {
DEBUGF("Sending keepalive. Interval=%ds.\n", audio->keepalive_interval);
output_thread_stat(audio, "stat");
}
}
break;
case PLAY:
audio->output_predelay_frames = audio->output_predelay_msec * 44.100;
DEBUGF("output_thread PLAY: output_predelay_frames: %i\n",
audio->output_predelay_frames);
output_buffer_size = slimaudio_buffer_available(audio->output_buffer);
DEBUGF("output_thread BUFFERING: output_buffer_size: %i output_threshold: %i",
output_buffer_size, audio->output_threshold);
DEBUGF(" buffering_timeout: %i\n", audio->buffering_timeout);
if ( (output_buffer_size < audio->output_threshold) && (audio->buffering_timeout > 0) )
{
pthread_mutex_unlock(&audio->output_mutex);
pthread_cond_broadcast(&audio->output_cond);
Pa_Sleep(100);
pthread_mutex_lock(&audio->output_mutex);
audio->buffering_timeout--;
}
else
{
DEBUGF("output_thread PLAY: start stream: %llu\n",
audio->pa_streamtime_offset);
audio->buffering_timeout = BUFFERING_TIMEOUT;
err = Pa_StartStream(audio->pa_stream);
if (err != paNoError)
{
printf("output_thread: PortAudio error2: %s\n", Pa_GetErrorText(err));
exit(-1);
}
audio->output_state = PLAYING;
pthread_cond_broadcast(&audio->output_cond);
}
break;
case BUFFERING:
DEBUGF("output_thread BUFFERING: %llu\n",audio->pa_streamtime_offset);
case PLAYING:
gettimeofday(&now, NULL);
timeout.tv_sec = now.tv_sec + 1;
timeout.tv_nsec = now.tv_usec * 1000;
err = pthread_cond_timedwait(&audio->output_cond, &audio->output_mutex, &timeout);
if (err == ETIMEDOUT)
{
DEBUGF("output_thread ETIMEDOUT-PLAYING: %llu\n",audio->pa_streamtime_offset);
output_thread_stat(audio, "STMt");
}
/* Track started */
if (audio->output_STMs)
{
audio->output_STMs = false;
audio->decode_num_tracks_started++;
audio->replay_gain = audio->start_replay_gain;
slimaudio_output_vol_adjust(audio);
audio->pa_streamtime_offset = audio->stream_samples;
DEBUGF("output_thread STMs-PLAYING: %llu\n",audio->pa_streamtime_offset);
output_thread_stat(audio, "STMs");
}
/* Data underrun
** On buffer underrun causes the server to switch to the next track.
*/
if (audio->output_STMu)
{
audio->output_STMu = false;
audio->output_state = STOP;
DEBUGF("output_thread STMu-PLAYING: %llu\n",audio->pa_streamtime_offset);
output_thread_stat(audio, "STMu");
pthread_cond_broadcast(&audio->output_cond);
}
break;
case STOP:
#ifndef PORTAUDIO_DEV
if ( (err = Pa_StreamActive(audio->pa_stream) ) > 0)
{
err = Pa_StopStream(audio->pa_stream);
if (err != paNoError)
{
printf("output_thread: PortAudio error3: %s\n", Pa_GetErrorText(err) );
exit(-1);
}
}
else
{
if ( err != paNoError)
{
printf("output_thread: PortAudio error9: %s\n",
Pa_GetErrorText(err) );
exit(-1);
}
}
#else
if ( (err = Pa_IsStreamActive(audio->pa_stream)) > 0) {
err = Pa_StopStream(audio->pa_stream);
if (err != paNoError) {
printf("output_thread[STOP]: PortAudio error3: %s\n",
Pa_GetErrorText(err) );
exit(-1);
}
} else if ( err != paNoError) {
printf("output_thread[STOP ISACTIVE]: PortAudio error3: %s\n",
Pa_GetErrorText(err) );
exit(-1);
}
#endif
audio->output_state = STOPPED;
DEBUGF("output_thread STOP: %llu\n",audio->pa_streamtime_offset);
pthread_cond_broadcast(&audio->output_cond);
break;
case PAUSE:
#ifndef PORTAUDIO_DEV
if ( (err = Pa_StreamActive(audio->pa_stream) ) > 0)
{
err = Pa_StopStream(audio->pa_stream);
if (err != paNoError)
{
printf("output_thread: PortAudio error10: %s\n", Pa_GetErrorText(err));
exit(-1);
}
}
else
{
if ( err != paNoError)
{
printf("output_thread: PortAudio error11: %s\n",
Pa_GetErrorText(err) );
exit(-1);
}
}
#else
if ( (err = Pa_IsStreamActive(audio->pa_stream)) > 0) {
err = Pa_StopStream(audio->pa_stream);
if (err != paNoError) {
printf("output_thread[PAUSE]: PortAudio error3: %s\n",
Pa_GetErrorText(err) );
exit(-1);
}
} else if ( err != paNoError) {
printf("output_thread[PAUSE ISACTIVE]: PortAudio error3: %s\n",
Pa_GetErrorText(err) );
exit(-1);
}
#endif
audio->output_state = PAUSED;
DEBUGF("output_thread PAUSE: %llu\n",audio->pa_streamtime_offset);
pthread_cond_broadcast(&audio->output_cond);
break;
case QUIT:
DEBUGF("output_thread QUIT: %llu\n",audio->pa_streamtime_offset);
break;
}
}
pthread_mutex_unlock(&audio->output_mutex);
#ifndef PORTAUDIO_DEV
if (audio->px_mixer != NULL) {
Px_CloseMixer(audio->px_mixer);
audio->px_mixer = NULL;
}
#endif
err = Pa_CloseStream(audio->pa_stream);
if (err != paNoError) {
printf("output_thread[exit]: PortAudio error3: %s\n", Pa_GetErrorText(err) );
exit(-1);
}
audio->pa_stream = NULL;
Pa_Terminate();
DEBUGF("output_thread: PortAudio terminated\n");
return 0;
}
int main(void)
{
PaStreamParameters outputParameters;
PaStream *stream;
PaError err;
int numStress;
paTestData data = {0};
double load;
printf("PortAudio Test: output sine wave. SR = %d, BufSize = %d. MAX_LOAD = %f\n",
SAMPLE_RATE, FRAMES_PER_BUFFER, MAX_LOAD );
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 = 1; /* mono 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;
err = Pa_StartStream( stream );
if( err != paNoError ) goto error;
/* Determine number of sines required to get to 50% */
do
{
data.numSines++;
Pa_Sleep( 100 );
load = Pa_GetStreamCpuLoad( stream );
printf("numSines = %d, CPU load = %f\n", data.numSines, load );
}
while( load < 0.5 );
/* Calculate target stress value then ramp up to that level*/
numStress = (int) (2.0 * data.numSines * MAX_LOAD );
for( ; data.numSines < numStress; data.numSines++ )
{
Pa_Sleep( 200 );
load = Pa_GetStreamCpuLoad( stream );
printf("STRESSING: numSines = %d, CPU load = %f\n", data.numSines, load );
}
printf("Suffer for 5 seconds.\n");
Pa_Sleep( 5000 );
printf("Stop stream.\n");
err = Pa_StopStream( stream );
if( err != paNoError ) goto error;
err = Pa_CloseStream( stream );
if( err != paNoError ) goto error;
Pa_Terminate();
printf("Test finished.\n");
return err;
error:
Pa_Terminate();
fprintf( stderr, "An error occured while using the portaudio stream\n" );
fprintf( stderr, "Error number: %d\n", err );
fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) );
return err;
}
int main(void)
{
char pad[256];
PortAudioStream *stream;
PaError err;
const PaDeviceInfo *pdi;
paTestData data = {0};
printf("PortAudio Test: output sine wave on each channel.\n" );
err = Pa_Initialize();
if( err != paNoError ) goto error;
pdi = Pa_GetDeviceInfo( OUTPUT_DEVICE );
data.numChannels = pdi->maxOutputChannels;
if( data.numChannels > MAX_CHANNELS ) data.numChannels = MAX_CHANNELS;
printf("Number of Channels = %d\n", data.numChannels );
data.amplitude = 1.0;
err = Pa_OpenStream(
&stream,
paNoDevice, /* default input device */
0, /* no input */
paFloat32, /* 32 bit floating point input */
NULL,
OUTPUT_DEVICE,
data.numChannels,
paFloat32, /* 32 bit floating point output */
NULL,
SAMPLE_RATE,
FRAMES_PER_BUFFER, /* frames per buffer */
0, /* number of buffers, if zero then use default minimum */
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;
do
{
printf("Current amplitude = %f\n", data.amplitude );
printf("Enter new amplitude or 'q' to quit.\n");
fflush(stdout);
gets( pad );
if( pad[0] != 'q' )
{
// I tried to use atof but it seems to be broken on Mac OS X 10.1
float amp;
sscanf( pad, "%f", & );
data.amplitude = amp;
}
} while( pad[0] != 'q' );
err = Pa_StopStream( stream );
if( err != paNoError ) goto error;
Pa_CloseStream( stream );
Pa_Terminate();
printf("Test finished.\n");
return err;
error:
Pa_Terminate();
fprintf( stderr, "An error occured while using the portaudio stream\n" );
fprintf( stderr, "Error number: %d\n", err );
fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) );
return err;
}
int main(void)
{
PaStream *stream;
PaStreamParameters outputParameters;
PaError err;
paTestData data;
int i;
int timeout;
printf("Play different tone sine waves that alternate between left and right channel.\n");
printf("The low tone should be on the left channel.\n");
/* 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 = data.toggle = 0;
data.countDown = SAMPLE_RATE;
err = Pa_Initialize();
if( err != paNoError ) goto error;
outputParameters.device = Pa_GetDefaultOutputDevice(); /* default output device */
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, /* As above. */
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 several seconds.\n");
timeout = NUM_SECONDS * 4;
while( timeout > 0 )
{
Pa_Sleep( 300 ); /*(Irix very much likes sleeps <= 1000 ms.)*/
timeout -= 1;
}
err = Pa_StopStream( stream );
if( err != paNoError ) goto error;
err = Pa_CloseStream( stream );
if( err != paNoError ) goto error;
Pa_Terminate();
printf("Test finished.\n");
return err;
error:
Pa_Terminate();
fprintf( stderr, "An error occured while using the portaudio stream\n" );
fprintf( stderr, "Error number: %d\n", err );
fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) );
return err;
}
int main(int argc, char* argv[]){
char* host = "127.0.0.1";
if (argc != 2){
std::cerr << "Usage: client <host>" << std::endl;
return 1;
}else{
host = argv[1];
}
PaStreamParameters outputParameters;
PaStream *stream;
PaError err;
sAudioBuffer* audiobuf;
audiobuf = new sAudioBuffer();
audiobuf->dec = opus_decoder_create(SAMPLE_RATE, 2, &audiobuf->error);
if(audiobuf->error != OPUS_OK){
std::cerr << "opus: could not create decoder" << std::endl;
return 2;
}
printf("SR = %d, BufSize = %d\n", SAMPLE_RATE, FRAMES_PER_BUFFER);
audiobuf->readerIndex = 0;
err = Pa_Initialize();
if( err != paNoError ) goto error;
outputParameters.device = Pa_GetDefaultOutputDevice();
if (outputParameters.device == paNoDevice){
fprintf(stderr,"Error: No default output device.\n");
goto error;
}
outputParameters.channelCount = 2;
outputParameters.sampleFormat = paFloat32;
outputParameters.suggestedLatency = Pa_GetDeviceInfo( outputParameters.device )->defaultLowOutputLatency;
outputParameters.hostApiSpecificStreamInfo = NULL;
err = Pa_OpenStream(
&stream,
NULL,
&outputParameters,
SAMPLE_RATE,
FRAMES_PER_BUFFER,
paClipOff,
audioCallback,
audiobuf);
if( err != paNoError ) goto error;
err = Pa_SetStreamFinishedCallback( stream, &StreamFinished );
if( err != paNoError ) goto error;
err = Pa_StartStream( stream );
if( err != paNoError ) goto error;
try{
serveClient(host, audiobuf);
}catch (std::exception& e){
std::cerr << e.what() << std::endl;
}
err = Pa_StopStream( stream );
if( err != paNoError ) goto error;
err = Pa_CloseStream( stream );
if( err != paNoError ) goto error;
Pa_Terminate();
delete audiobuf;
return 0;
error:
Pa_Terminate();
fprintf( stderr, "An error occured while using the portaudio stream\n" );
fprintf( stderr, "Error number: %d\n", err );
fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) );
return err;
}
int main(void)
{
PaError err;
PortAudioStream *stream1;
PortAudioStream *stream2;
paTestData data1 = {0};
paTestData data2 = {0};
printf("PortAudio Test: two rates.\n" );
err = Pa_Initialize();
if( err != paNoError ) goto error;
/* Start first stream. **********************/
err = Pa_OpenStream(
&stream1,
paNoDevice, /* default input device */
0, /* no input */
paFloat32, /* 32 bit floating point input */
NULL,
OUTPUT_DEVICE,
2, /* Stereo */
paFloat32, /* 32 bit floating point output */
NULL,
SAMPLE_RATE_1,
FRAMES_PER_BUFFER, /* frames per buffer */
0, /* number of buffers, if zero then use default minimum */
paClipOff, /* we won't output out of range samples so don't bother clipping them */
patestCallback,
&data1 );
if( err != paNoError ) goto error;
err = Pa_StartStream( stream1 );
if( err != paNoError ) goto error;
Pa_Sleep( 3 * 1000 );
/* Start second stream. **********************/
err = Pa_OpenStream(
&stream2,
paNoDevice, /* default input device */
0, /* no input */
paFloat32, /* 32 bit floating point input */
NULL,
OUTPUT_DEVICE,
2, /* Stereo */
paFloat32, /* 32 bit floating point output */
NULL,
SAMPLE_RATE_2,
FRAMES_PER_BUFFER, /* frames per buffer */
0, /* number of buffers, if zero then use default minimum */
paClipOff, /* we won't output out of range samples so don't bother clipping them */
patestCallback,
&data2 );
if( err != paNoError ) goto error;
err = Pa_StartStream( stream2 );
if( err != paNoError ) goto error;
Pa_Sleep( 3 * 1000 );
err = Pa_StopStream( stream2 );
if( err != paNoError ) goto error;
Pa_Sleep( 3 * 1000 );
err = Pa_StopStream( stream1 );
if( err != paNoError ) goto error;
Pa_CloseStream( stream2 );
Pa_CloseStream( stream1 );
Pa_Terminate();
printf("Test finished.\n");
return err;
error:
Pa_Terminate();
fprintf( stderr, "An error occured while using the portaudio stream\n" );
fprintf( stderr, "Error number: %d\n", err );
fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) );
return err;
}
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;
asioOutputInfo.size = sizeof(PaAsioStreamInfo);
asioOutputInfo.hostApiType = paASIO;
asioOutputInfo.version = 1;
asioOutputInfo.flags = paAsioUseChannelSelectors;
outputChannelSelectors[0] = 1; /* select 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 occured while using the portaudio stream\n" );
fprintf( stderr, "Error number: %d\n", err );
fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) );
return err;
}
int main(void) {
srand(time(NULL));
create_list(MUSIC_DIR);
max_list = list.size();
PaStreamParameters outputParameters;
PaStream *stream;
PaError e;
signal(SIGINT, signal_catch);
/*
pthread_t thread;
pthread_attr_t thread_attr;
pthread_attr_init(&thread_attr);
pthread_attr_setdetachstate(&thread_attr, PTHREAD_CREATE_DETACHED);
if(pthread_create(&thread, &thread_attr, thread1, NULL) != 0) {
perror("pthrad create error");
}
pthread_join(thread, NULL);
*/
if (REC) rec.prepare();
// OSC
lo_server_thread server;
server = lo_server_thread_new(OSC_PORT, NULL);
lo_server_thread_add_method(server, "/1/fader1", "f", osc, NULL);
lo_server_thread_add_method(server, "/1/fader2", "f", osc, NULL);
lo_server_thread_add_method(server, "/1/toggle1", "i", osc, NULL);
lo_server_thread_add_method(server, "/1/toggle2", "i", osc, NULL);
lo_server_thread_add_method(server, "/1/toggle3", "i", osc, NULL);
lo_server_thread_add_method(server, "/1/toggle4", "i", osc, NULL);
lo_server_thread_start(server);
// reset
lo_send(address, "/1/fader1", "f", 0.0);
lo_send(address, "/1/fader2", "f", 0.0);
lo_send(address, "/1/rotary2", "f", 0.0);
lo_send(address, "/1/rotary3", "f", 0.0);
lo_send(address, "/1/rotary6", "f", 0.0);
lo_send(address, "/1/toggle1", "i", 1);
lo_send(address, "/1/toggle2", "i", 0);
lo_send(address, "/1/toggle3", "i", 1);
lo_send(address, "/1/toggle4", "i", 0);
e = Pa_Initialize();
err(e);
// devices
/*
int numDevices = Pa_GetDeviceCount();
const PaDeviceInfo *deviceInfo;
for (int i = 0; i < numDevices; i++) {
deviceInfo = Pa_GetDeviceInfo( i );
const PaHostApiInfo *hostInfo = Pa_GetHostApiInfo( deviceInfo->hostApi );
cout << i << ": " << hostInfo->name << endl;
}
*/
outputParameters.device = Pa_GetDefaultOutputDevice();
if (outputParameters.device == paNoDevice) {
cerr << "Error: No default output device." << endl;
exit(0);
}
outputParameters.channelCount = 2;
outputParameters.sampleFormat = paFloat32;
outputParameters.suggestedLatency = Pa_GetDeviceInfo( outputParameters.device )->defaultLowOutputLatency;
outputParameters.hostApiSpecificStreamInfo = NULL;
e = Pa_OpenStream(
&stream,
NULL,
&outputParameters,
SAMPLE_RATE,
FRAMES_PER_BUFFER,
paClipOff,
paCallback,
NULL );
err(e);
e = Pa_StartStream(stream);
err(e);
// input
int c;
while ((c = getchar())) {
if (c == 'q') {
break;
}
}
//pthread_exit(NULL);
e = Pa_StopStream(stream);
err(e);
e = Pa_CloseStream(stream);
err(e);
Pa_Terminate();
return 0;
}
int main(void)
{
PaStreamParameters inputParameters, outputParameters;
PaStream *stream = NULL;
PaError err;
char *sampleBlock;
int i;
int numBytes;
printf("patest_read_write_wire.c\n"); fflush(stdout);
numBytes = FRAMES_PER_BUFFER * NUM_CHANNELS * SAMPLE_SIZE ;
sampleBlock = (char *) malloc( numBytes );
if( sampleBlock == NULL )
{
printf("Could not allocate record array.\n");
exit(1);
}
CLEAR( sampleBlock );
err = Pa_Initialize();
if( err != paNoError ) goto error;
inputParameters.device = Pa_GetDefaultInputDevice(); /* default input device */
printf( "Input device # %d.\n", inputParameters.device );
printf( "Input LL: %g s\n", Pa_GetDeviceInfo( inputParameters.device )->defaultLowInputLatency );
printf( "Input HL: %g s\n", Pa_GetDeviceInfo( inputParameters.device )->defaultHighInputLatency );
inputParameters.channelCount = NUM_CHANNELS;
inputParameters.sampleFormat = PA_SAMPLE_TYPE;
inputParameters.suggestedLatency = Pa_GetDeviceInfo( inputParameters.device )->defaultHighInputLatency ;
inputParameters.hostApiSpecificStreamInfo = NULL;
outputParameters.device = Pa_GetDefaultOutputDevice(); /* default output device */
printf( "Output device # %d.\n", outputParameters.device );
printf( "Output LL: %g s\n", Pa_GetDeviceInfo( outputParameters.device )->defaultLowOutputLatency );
printf( "Output HL: %g s\n", Pa_GetDeviceInfo( outputParameters.device )->defaultHighOutputLatency );
outputParameters.channelCount = NUM_CHANNELS;
outputParameters.sampleFormat = PA_SAMPLE_TYPE;
outputParameters.suggestedLatency = Pa_GetDeviceInfo( outputParameters.device )->defaultHighOutputLatency;
outputParameters.hostApiSpecificStreamInfo = NULL;
/* -- setup -- */
err = Pa_OpenStream(
&stream,
&inputParameters,
&outputParameters,
SAMPLE_RATE,
FRAMES_PER_BUFFER,
paClipOff, /* we won't output out of range samples so don't bother clipping them */
NULL, /* no callback, use blocking API */
NULL ); /* no callback, so no callback userData */
if( err != paNoError ) goto error;
err = Pa_StartStream( stream );
if( err != paNoError ) goto error;
printf("Wire on. Will run %d seconds.\n", NUM_SECONDS); fflush(stdout);
for( i=0; i<(NUM_SECONDS*SAMPLE_RATE)/FRAMES_PER_BUFFER; ++i )
{
err = Pa_WriteStream( stream, sampleBlock, FRAMES_PER_BUFFER );
if( err && CHECK_UNDERFLOW ) goto xrun;
err = Pa_ReadStream( stream, sampleBlock, FRAMES_PER_BUFFER );
if( err && CHECK_OVERFLOW ) goto xrun;
}
err = Pa_StopStream( stream );
if( err != paNoError ) goto error;
CLEAR( sampleBlock );
/*
err = Pa_StartStream( stream );
if( err != paNoError ) goto error;
printf("Wire on. Interrupt to stop.\n"); fflush(stdout);
while( 1 )
{
err = Pa_WriteStream( stream, sampleBlock, FRAMES_PER_BUFFER );
if( err ) goto xrun;
err = Pa_ReadStream( stream, sampleBlock, FRAMES_PER_BUFFER );
if( err ) goto xrun;
}
err = Pa_StopStream( stream );
if( err != paNoError ) goto error;
Pa_CloseStream( stream );
*/
free( sampleBlock );
Pa_Terminate();
return 0;
xrun:
if( stream ) {
Pa_AbortStream( stream );
Pa_CloseStream( stream );
}
free( sampleBlock );
Pa_Terminate();
if( err & paInputOverflow )
fprintf( stderr, "Input Overflow.\n" );
if( err & paOutputUnderflow )
fprintf( stderr, "Output Underflow.\n" );
return -2;
error:
if( stream ) {
Pa_AbortStream( stream );
Pa_CloseStream( stream );
}
free( sampleBlock );
Pa_Terminate();
fprintf( stderr, "An error occured while using the portaudio stream\n" );
fprintf( stderr, "Error number: %d\n", err );
fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) );
return -1;
}
int main(void)
{
PaStreamParameters outputParameters;
PaStream *stream;
PaError err;
paTestData data;
PaTime startTime;
printf("PortAudio Test: output sine wave. SR = %d, BufSize = %d\n", SAMPLE_RATE, FRAMES_PER_BUFFER);
data.left_phase = data.right_phase = 0;
err = Pa_Initialize();
if( err != paNoError ) goto error;
outputParameters.device = Pa_GetDefaultOutputDevice(); /* default output device */
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;
/* Watch until sound is halfway finished. */
printf("Play for %d seconds.\n", NUM_SECONDS/2 ); fflush(stdout);
data.outTime = -1.0; /* mark time for callback as undefined */
err = Pa_StartStream( stream );
if( err != paNoError ) goto error;
startTime = Pa_GetStreamTime( stream );
do
{
ReportStreamTime( stream, &data );
Pa_Sleep(100);
} while( (Pa_GetStreamTime( stream ) - startTime) < (NUM_SECONDS/2) );
/* Stop sound for 2 seconds. */
err = Pa_StopStream( stream );
if( err != paNoError ) goto error;
printf("Pause for 2 seconds.\n"); fflush(stdout);
Pa_Sleep( 2000 );
data.outTime = -1.0; /* mark time for callback as undefined */
err = Pa_StartStream( stream );
if( err != paNoError ) goto error;
startTime = Pa_GetStreamTime( stream );
printf("Play until sound is finished.\n"); fflush(stdout);
do
{
ReportStreamTime( stream, &data );
Pa_Sleep(100);
} while( (Pa_GetStreamTime( stream ) - startTime) < (NUM_SECONDS/2) );
err = Pa_CloseStream( stream );
if( err != paNoError ) goto error;
Pa_Terminate();
printf("Test finished.\n");
return err;
error:
Pa_Terminate();
fprintf( stderr, "An error occured while using the portaudio stream\n" );
fprintf( stderr, "Error number: %d\n", err );
fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) );
return err;
}
static int
portaudio_driver_audio_stop (portaudio_driver_t *driver)
{
PaError err = Pa_StopStream(driver->stream);
return (err != paNoError) ? -1 : 0;
}