/* 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;
printf( "Timing info given to callback: Adc: %g, Current: %g, Dac: %g\n",
timeInfo->inputBufferAdcTime,
timeInfo->currentTime,
timeInfo->outputBufferDacTime );
printf( "getStreamTime() returns: %g\n", Pa_GetStreamTime(data->stream) - data->start );
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;
}
// starts recording to a file as defined by the class parameters
int PortAudioSound::StartRecord()
{
if (!recordflag){
startRecording = TRUE;
recordedBlocks = 0L;
stopTime = -1.0;
sfinfo.channels = 1;
sfinfo.format = SF_FORMAT_WAV | SF_FORMAT_PCM_16;
sfinfo.frames = framesPerBuffer;
sfinfo.samplerate = iSampleRate;
timeStr = "";
outfile = sf_open("c:/bat recordings/testfile.wav", SFM_WRITE, &sfinfo);
if (outfile == NULL){
int err = sf_error(NULL);
const char *errstr = sf_error_number(err);
logFile.WriteString((LPCWSTR) errstr);
}
logFile.WriteString(L"Recording started\n");
startTime = (double) Pa_GetStreamTime(pStream);
recordflag = true;
}
return(0);
}
std::vector<short> AudioInput::record(unsigned msecs)
{
if (!stream)
return std::vector<short>();
std::cout << "AudioInput::record(" << msecs << ")\n";
PaTime startTime = Pa_GetStreamTime(stream);
std::vector<short> samples;
while (Pa_GetStreamTime(stream) < startTime + msecs * .001) {
samples.resize(samples.size() + CHUNK_SIZE);
PaError err = Pa_ReadStream(stream, &samples[samples.size() - CHUNK_SIZE], CHUNK_SIZE);
if (err != paInputOverflowed && err != paNoError) {
std::cerr << "Pa_ReadStream(): " << Pa_GetErrorText(err) << '\n';
return samples;
}
}
std::cout << "Recorded " << (Pa_GetStreamTime(stream) - startTime) << "s worth of audio\n";
return samples;
}
static void ReportStreamTime( PaStream *stream, paTestData *data )
{
PaTime streamTime, latency, outTime;
streamTime = Pa_GetStreamTime( stream );
outTime = data->outTime;
if( outTime < 0.0 )
{
printf("Stream time = %8.1f\n", streamTime );
}
else
{
latency = outTime - streamTime;
printf("Stream time = %8.4f, outTime = %8.4f, latency = %8.4f\n",
streamTime, outTime, latency );
}
fflush(stdout);
}
/*-----------------------------------------------------------------------------------------*/
static int TestBadActions( void )
{
PaStream* stream = NULL;
PaError result;
PaQaData myData;
PaStreamParameters opp;
const PaDeviceInfo* info = NULL;
/* Setup data for synthesis thread. */
myData.framesLeft = (unsigned long)(SAMPLE_RATE * 100); /* 100 seconds */
myData.numChannels = 1;
myData.mode = MODE_OUTPUT;
opp.device = Pa_GetDefaultOutputDevice(); /* Default output. */
opp.channelCount = 2; /* Stereo output. */
opp.hostApiSpecificStreamInfo = NULL;
opp.sampleFormat = paFloat32;
info = Pa_GetDeviceInfo(opp.device);
opp.suggestedLatency = info ? info->defaultLowOutputLatency : 0.100;
if (opp.device != paNoDevice) {
HOPEFOR(((result = Pa_OpenStream(&stream, NULL, /* Take NULL as input parame- */
&opp, /* ters, meaning try only output. */
SAMPLE_RATE, FRAMES_PER_BUFFER,
paClipOff, QaCallback, &myData )) == paNoError));
}
HOPEFOR(((result = Pa_StartStream(NULL)) == paBadStreamPtr));
HOPEFOR(((result = Pa_StopStream(NULL)) == paBadStreamPtr));
HOPEFOR(((result = Pa_IsStreamStopped(NULL)) == paBadStreamPtr));
HOPEFOR(((result = Pa_IsStreamActive(NULL)) == paBadStreamPtr));
HOPEFOR(((result = Pa_CloseStream(NULL)) == paBadStreamPtr));
HOPEFOR(((result = Pa_SetStreamFinishedCallback(NULL, NULL)) == paBadStreamPtr));
HOPEFOR(((result = !Pa_GetStreamInfo(NULL))));
HOPEFOR(((result = Pa_GetStreamTime(NULL)) == 0.0));
HOPEFOR(((result = Pa_GetStreamCpuLoad(NULL)) == 0.0));
HOPEFOR(((result = Pa_ReadStream(NULL, NULL, 0)) == paBadStreamPtr));
HOPEFOR(((result = Pa_WriteStream(NULL, NULL, 0)) == paBadStreamPtr));
/** @todo test Pa_GetStreamReadAvailable and Pa_GetStreamWriteAvailable */
if (stream != NULL) Pa_CloseStream(stream);
return result;
}
// stops recording to the file and closes it with appropriate log entries
int PortAudioSound::StopRecord()
{
if (recordflag){
recordflag = false;
startRecording = FALSE;
stopTime = (double) Pa_GetStreamTime(pStream);
sf_close(outfile);
CString str;
str.Format(L"Min=%f, Max=%f after recording %ld blocks \n", mini, maxi,recordedBlocks);
logFile.WriteString(str);
str.Format(L"Duration of recording= %f to %f = %f seconds\n",(double)startTime,(double)stopTime, (double)stopTime - (double)startTime);
logFile.WriteString(str);
logFile.WriteString(L"Recording stopped\n\n");
logFile.WriteString(timeStr);
Pa_Sleep(2000);
}
return 0;
}
double AudioIOData::time() const {
return Pa_GetStreamTime(mImpl->mStream);
}
int AudioDevice_streamTime(AudioDevice *self)
{
return AudioDevice_isOpen(self) ? Pa_GetStreamTime( self->stream ) : 0;
}
int PortAudioSound::myMemberCallback(const void * input, void * output, unsigned long frameCount, const PaStreamCallbackTimeInfo* timeInfo, PaStreamCallbackFlags statusFlags)
{
if (!Processing){
Processing = TRUE;
double t = Pa_GetStreamTime(pStream);
short *rdr = (short *) input;
CString tstr;
/* if (startRecording){
startRecording = FALSE;
startTime = (double)timeInfo->inputBufferAdcTime;
}*/
if (recordflag){
int written = (int) sf_writef_short(outfile, rdr, (sf_count_t) frameCount);
recordedBlocks++;
tstr.Format(L"%f\n", t);
timeStr = timeStr + tstr;
//stopTime = (double)timeInfo->inputBufferAdcTime;
}
int pos = 0;
int DisplayFramesPerBuffer;
if (overlap){
DisplayFramesPerBuffer = (FFTsPerBuffer * 2) - 1;
}
else{
DisplayFramesPerBuffer = FFTsPerBuffer;
}
for (int i = 0; i < (FFTsPerBuffer*2)-1; i++){
for (int j = 0; j < FFTSize && pos < framesPerBuffer; j++, pos++){
FFTin[j] = hamming[j] * (double) rdr[pos];
}
if (overlap){// only move the read pointer back for overlap
pos = pos - FFTSize / 2;
}
fftw_execute(FFTplan);
WriteIndex = (WriteIndex + 1)%numBuffers;
if (WriteIndex == ReadIndex) ReadIndex = (++ReadIndex%numBuffers);
//ppPowSpect[WriteIndex][0] = 0.0;
ppShade[WriteIndex][0] = 0;
for (int j = 0; j < FFTSize/2; j++){
//ppPowSpect[WriteIndex][j + 1] = log10(FFTout[j]);
//ppPowSpect[WriteIndex][j + 1] = (FFTout[j] * FFTout[j]) /2000000.0;
//ppPowSpect[WriteIndex][j + 1] = log10(.000001 + abs(FFTout[j]));
ppShade[WriteIndex][j + 1] = 255-(BYTE) (((log10(.000001 + abs(FFTout[j]))+6)/6)*255);
}
//ppPowSpect[WriteIndex][0] = 1.0;
ppShade[WriteIndex][0] = 1;
}
//displayWindow.PostMessageW(WM_USER, (WPARAM) WriteIndex);
//SendMessage();
PostMessage(ChildWindowHwnd, WM_USER, 0, 0L);
Processing = FALSE;
}
else{
logFile.WriteString(L"*");
}
return paContinue;
}
double GetStreamTime()
{
return Pa_GetStreamTime(Stream);
}
int main(void)
{
PaStreamParameters outputParameters;
PaStream* stream;
PaError err;
paTestData data;
PaTime streamOpened;
int i, totalSamps;
#if TEST_UNSIGNED
printf("PortAudio Test: output UNsigned 8 bit sine wave.\n");
#else
printf("PortAudio Test: output signed 8 bit sine wave.\n");
#endif
/* initialise sinusoidal wavetable */
for( i=0; i<TABLE_SIZE; i++ )
{
data.sine[i] = (char) (127.0 * sin( ((double)i/(double)TABLE_SIZE) * M_PI * 2. ));
#if TEST_UNSIGNED
data.sine[i] += (unsigned char) 0x80;
#endif
}
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;
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 = TEST_FORMAT;
outputParameters.suggestedLatency = Pa_GetDeviceInfo( outputParameters.device )->defaultLowOutputLatency;
outputParameters.hostApiSpecificStreamInfo = NULL;
err = Pa_OpenStream( &stream,
NULL, /* No input. */
&outputParameters,
SAMPLE_RATE,
256, /* 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;
streamOpened = Pa_GetStreamTime( stream ); /* Time in seconds when stream was opened (approx). */
err = Pa_StartStream( stream );
if( err != paNoError )
goto error;
/* Watch until sound is halfway finished. */
/* (Was ( Pa_StreamTime( stream ) < (totalSamps/2) ) in V18. */
while( (Pa_GetStreamTime( stream ) - streamOpened) < (PaTime)NUM_SECONDS / 2.0 )
Pa_Sleep(10);
/* Stop sound. */
printf("Stopping Stream.\n");
err = Pa_StopStream( stream );
if( err != paNoError )
goto error;
printf("Pause for 2 seconds.\n");
Pa_Sleep( 2000 );
printf("Starting again.\n");
err = Pa_StartStream( stream );
if( err != paNoError )
goto error;
printf("Waiting for sound to finish.\n");
while( ( err = Pa_IsStreamActive( stream ) ) == 1 )
Pa_Sleep(100);
if( err < 0 )
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 int init(struct ao *ao)
{
struct priv *priv = ao->priv;
if (!check_pa_ret(Pa_Initialize()))
return -1;
pthread_mutex_init(&priv->ring_mutex, NULL);
int pa_device = Pa_GetDefaultOutputDevice();
if (priv->cfg_device && priv->cfg_device[0])
pa_device = find_device(priv->cfg_device);
if (pa_device == paNoDevice)
goto error_exit;
// The actual channel order probably depends on the platform.
struct mp_chmap_sel sel = {0};
mp_chmap_sel_add_waveext_def(&sel);
if (!ao_chmap_sel_adjust(ao, &sel, &ao->channels))
goto error_exit;
PaStreamParameters sp = {
.device = pa_device,
.channelCount = ao->channels.num,
.suggestedLatency
= Pa_GetDeviceInfo(pa_device)->defaultHighOutputLatency,
};
ao->format = af_fmt_from_planar(ao->format);
const struct format_map *fmt = format_maps;
while (fmt->pa_format) {
if (fmt->mp_format == ao->format) {
PaStreamParameters test = sp;
test.sampleFormat = fmt->pa_format;
if (Pa_IsFormatSupported(NULL, &test, ao->samplerate) == paNoError)
break;
}
fmt++;
}
if (!fmt->pa_format) {
MP_VERBOSE(ao, "Unsupported format, using default.\n");
fmt = format_maps;
}
ao->format = fmt->mp_format;
sp.sampleFormat = fmt->pa_format;
priv->framelen = ao->channels.num * (af_fmt2bits(ao->format) / 8);
ao->bps = ao->samplerate * priv->framelen;
if (!check_pa_ret(Pa_IsFormatSupported(NULL, &sp, ao->samplerate)))
goto error_exit;
if (!check_pa_ret(Pa_OpenStream(&priv->stream, NULL, &sp, ao->samplerate,
paFramesPerBufferUnspecified, paNoFlag,
stream_callback, ao)))
goto error_exit;
priv->ring = mp_ring_new(priv, seconds_to_bytes(ao, 0.5));
return 0;
error_exit:
uninit(ao, true);
return -1;
}
static int play(struct ao *ao, void **data, int samples, int flags)
{
struct priv *priv = ao->priv;
pthread_mutex_lock(&priv->ring_mutex);
int write_len = mp_ring_write(priv->ring, data[0], samples * ao->sstride);
if (flags & AOPLAY_FINAL_CHUNK)
priv->play_remaining = true;
pthread_mutex_unlock(&priv->ring_mutex);
if (Pa_IsStreamStopped(priv->stream) == 1)
check_pa_ret(Pa_StartStream(priv->stream));
return write_len / ao->sstride;
}
static int get_space(struct ao *ao)
{
struct priv *priv = ao->priv;
pthread_mutex_lock(&priv->ring_mutex);
int free = mp_ring_available(priv->ring);
pthread_mutex_unlock(&priv->ring_mutex);
return free / ao->sstride;
}
static float get_delay(struct ao *ao)
{
struct priv *priv = ao->priv;
double stream_time = Pa_GetStreamTime(priv->stream);
pthread_mutex_lock(&priv->ring_mutex);
float frame_time = priv->play_time ? priv->play_time - stream_time : 0;
float buffer_latency = (mp_ring_buffered(priv->ring) + priv->play_silence)
/ (float)ao->bps;
pthread_mutex_unlock(&priv->ring_mutex);
return buffer_latency + frame_time;
}
static void reset(struct ao *ao)
{
struct priv *priv = ao->priv;
if (Pa_IsStreamStopped(priv->stream) != 1)
check_pa_ret(Pa_AbortStream(priv->stream));
pthread_mutex_lock(&priv->ring_mutex);
mp_ring_reset(priv->ring);
priv->play_remaining = false;
priv->play_time = 0;
priv->play_silence = 0;
pthread_mutex_unlock(&priv->ring_mutex);
}
static void pause(struct ao *ao)
{
struct priv *priv = ao->priv;
check_pa_ret(Pa_AbortStream(priv->stream));
double stream_time = Pa_GetStreamTime(priv->stream);
pthread_mutex_lock(&priv->ring_mutex);
// When playback resumes, replace the lost audio (due to dropping the
// portaudio/driver/hardware internal buffers) with silence.
float frame_time = priv->play_time ? priv->play_time - stream_time : 0;
priv->play_silence += seconds_to_bytes(ao, FFMAX(frame_time, 0));
priv->play_time = 0;
pthread_mutex_unlock(&priv->ring_mutex);
}
static void resume(struct ao *ao)
{
struct priv *priv = ao->priv;
check_pa_ret(Pa_StartStream(priv->stream));
}
#define OPT_BASE_STRUCT struct priv
const struct ao_driver audio_out_portaudio = {
.description = "PortAudio",
.name = "portaudio",
.init = init,
.uninit = uninit,
.reset = reset,
.get_space = get_space,
.play = play,
.get_delay = get_delay,
.pause = pause,
.resume = resume,
.priv_size = sizeof(struct priv),
.options = (const struct m_option[]) {
OPT_STRING_VALIDATE("device", cfg_device, 0, validate_device_opt),
{0}
},
};
_JATTA_EXPORT double Jatta::PortAudio::Stream::GetTime()
{
return (double)Pa_GetStreamTime(stream);
}
JNIEXPORT jdouble JNICALL Java_org_jpab_PortAudio_getStreamTime(JNIEnv *env, jclass paClass, jlong stream_id) {
return Pa_GetStreamTime((PaStream *) stream_id);
}
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 */
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 );
data.stream = stream;
data.start = Pa_GetStreamTime(stream);
if( err != paNoError ) goto error;
err = Pa_StartStream( stream );
data.start = Pa_GetStreamTime(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");
printf("The tone should have been heard for about 5 seconds and all the timing info above should report that about 5 seconds elapsed (except Adc, which is undefined since there was no input device opened).\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;
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;
}
_CGUL_EXPORT double CGUL::PortAudio::Stream::GetTime()
{
return (double)Pa_GetStreamTime(stream);
}
static int TestAdvance( int mode, PaDeviceIndex deviceID, double sampleRate,
int numChannels, PaSampleFormat format )
{
PaStreamParameters inputParameters, outputParameters, *ipp, *opp;
PaStream *stream = NULL;
PaError result = paNoError;
PaQaData myData;
#define FRAMES_PER_BUFFER (64)
/* Setup data for synthesis thread. */
myData.framesLeft = (unsigned long) (sampleRate * 100); /* 100 seconds */
myData.numChannels = numChannels;
myData.mode = mode;
myData.format = format;
switch( format )
{
case paFloat32:
case paInt32:
case paInt24:
myData.bytesPerSample = 4;
break;
/* case paPackedInt24:
myData.bytesPerSample = 3;
break; */
default:
myData.bytesPerSample = 2;
break;
}
if( mode == MODE_INPUT )
{
inputParameters.device = deviceID;
inputParameters.channelCount = numChannels;
inputParameters.sampleFormat = format;
inputParameters.suggestedLatency = Pa_GetDeviceInfo( inputParameters.device )->defaultLowInputLatency;
inputParameters.hostApiSpecificStreamInfo = NULL;
ipp = &inputParameters;
}
else
ipp = NULL;
if( mode == MODE_OUTPUT ) /* Pa_GetDeviceInfo(paNoDevice) COREDUMPS!!! */
{
outputParameters.device = deviceID;
outputParameters.channelCount = numChannels;
outputParameters.sampleFormat = format;
outputParameters.suggestedLatency = Pa_GetDeviceInfo( outputParameters.device )->defaultLowOutputLatency;
outputParameters.hostApiSpecificStreamInfo = NULL;
opp = &outputParameters;
}
else
opp = NULL;
if(paFormatIsSupported == Pa_IsFormatSupported( ipp, opp, sampleRate ))
{
printf("------ TestAdvance: %s, device = %d, rate = %g, numChannels = %d, format = %lu -------\n",
( mode == MODE_INPUT ) ? "INPUT" : "OUTPUT",
deviceID, sampleRate, numChannels, (unsigned long)format);
EXPECT( ((result = Pa_OpenStream( &stream,
ipp,
opp,
sampleRate,
FRAMES_PER_BUFFER,
paClipOff, /* we won't output out of range samples so don't bother clipping them */
QaCallback,
&myData ) ) == 0) );
if( stream )
{
PaTime oldStamp, newStamp;
unsigned long oldFrames;
int minDelay = ( mode == MODE_INPUT ) ? 1000 : 400;
/* Was:
int minNumBuffers = Pa_GetMinNumBuffers( FRAMES_PER_BUFFER, sampleRate );
int msec = (int) ((minNumBuffers * 3 * 1000.0 * FRAMES_PER_BUFFER) / sampleRate);
*/
int msec = (int)( 3.0 *
(( mode == MODE_INPUT ) ? inputParameters.suggestedLatency : outputParameters.suggestedLatency ));
if( msec < minDelay ) msec = minDelay;
printf("msec = %d\n", msec); /**/
EXPECT( ((result=Pa_StartStream( stream )) == 0) );
/* Check to make sure PortAudio is advancing timeStamp. */
oldStamp = Pa_GetStreamTime(stream);
Pa_Sleep(msec);
newStamp = Pa_GetStreamTime(stream);
printf("oldStamp = %g,newStamp = %g\n", oldStamp, newStamp ); /**/
EXPECT( (oldStamp < newStamp) );
/* Check to make sure callback is decrementing framesLeft. */
oldFrames = myData.framesLeft;
Pa_Sleep(msec);
printf("oldFrames = %lu, myData.framesLeft = %lu\n", oldFrames, myData.framesLeft ); /**/
EXPECT( (oldFrames > myData.framesLeft) );
EXPECT( ((result=Pa_CloseStream( stream )) == 0) );
stream = NULL;
}
}
error:
if( stream != NULL ) Pa_CloseStream( stream );
return result;
}
JNIEXPORT jdouble JNICALL Java_com_github_rjeschke_jpa_JPA_paGetStreamTime(JNIEnv *env, jclass clazz, jlong jPtr)
{
JPA_DATA *j = (JPA_DATA*)long2Ptr(jPtr);
return (jdouble)Pa_GetStreamTime(j->stream);
}
