static int TestBadActions( void )
{
PortAudioStream *stream = NULL;
PaError result;
PaQaData myData;
/* Setup data for synthesis thread. */
myData.framesLeft = (unsigned long) (SAMPLE_RATE * 100); /* 100 seconds */
myData.numChannels = 1;
myData.mode = MODE_OUTPUT;
/* Default output. */
EXPECT( "TestBadActions", ((result = Pa_OpenStream(
&stream,
paNoDevice, 0, paFloat32, NULL,
Pa_GetDefaultOutputDeviceID(), 2, paFloat32, NULL,
SAMPLE_RATE, FRAMES_PER_BUFFER, NUM_BUFFERS,
paClipOff,
QaCallback,
&myData )
) == 0) );
HOPEFOR( "start", ((result = Pa_StartStream( NULL )) == paBadStreamPtr) );
HOPEFOR( "stop", ((result = Pa_StopStream( NULL )) == paBadStreamPtr) );
HOPEFOR( "active?", ((result = Pa_StreamActive( NULL )) == paBadStreamPtr) );
HOPEFOR( "close", ((result = Pa_CloseStream( NULL )) == paBadStreamPtr) );
HOPEFOR( "time?", ((result = (PaError)Pa_StreamTime( NULL )) != 0) );
HOPEFOR( "CPULoad?", ((result = (PaError)Pa_GetCPULoad( NULL )) != 0) );
error:
if( stream != NULL ) Pa_CloseStream( stream );
return result;
}
int main(int argc, char* argv[])
{
PaStream *stream;
PaError err;
patest1data data;
int i;
int inputDevice = Pa_GetDefaultInputDeviceID();
int outputDevice = Pa_GetDefaultOutputDeviceID();
/* initialise sinusoidal wavetable */
for( i=0; i<100; i++ )
data.sine[i] = sin( ((double)i/100.) * M_PI * 2. );
data.phase = 0;
data.sampsToGo = 44100 * 4; // 20 seconds
/* initialise portaudio subsytem */
Pa_Initialize();
err = Pa_OpenStream(
&stream,
inputDevice,
2, /* stereo input */
paFloat32, /* 32 bit floating point input */
NULL,
outputDevice,
2, /* stereo output */
paFloat32, /* 32 bit floating point output */
NULL,
44100.,
// 22050, /* half second buffers */
// 4, /* four buffers */
512, /* half second buffers */
0, /* four buffers */
paClipOff, /* we won't output out of range samples so don't bother clipping them */
patest1Callback,
&data );
if( err == paNoError )
{
err = Pa_StartStream( stream );
// printf( "Press any key to end.\n" );
// getc( stdin ); //wait for input before exiting
// Pa_AbortStream( stream );
printf( "Waiting for stream to complete...\n" );
while( Pa_StreamActive( stream ) )
Pa_Sleep(1000); /* sleep until playback has finished */
err = Pa_CloseStream( stream );
}
else
{
fprintf( stderr, "An error occured while opening the portaudio stream\n" );
if( err == paHostError )
fprintf( stderr, "Host error number: %d\n", Pa_GetHostError() );
else
fprintf( stderr, "Error number: %d\n", err );
}
Pa_Terminate();
printf( "bye\n" );
return 0;
}
int main(void)
{
PortAudioStream *stream;
PaError err;
paTestData data;
int totalSamps;
printf("PortAudio Test: output " FORMAT_NAME "\n");
data.left_phase = data.right_phase = 0.0;
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 */
TEST_FORMAT,
NULL,
Pa_GetDefaultOutputDeviceID(), /* default output device */
2, /* stereo output */
TEST_FORMAT,
NULL,
SAMPLE_RATE,
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("Waiting %d seconds for sound to finish.\n", NUM_SECONDS );
while( Pa_StreamActive( stream ) ) Pa_Sleep(10);
err = Pa_CloseStream( stream );
if( err != paNoError ) goto error;
Pa_Terminate();
printf("PortAudio Test Finished: " FORMAT_NAME "\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 wave_is_busy(void *theHandler)
{
(void)theHandler; // unused
PaError active = 0;
if (pa_stream) {
#if USE_PORTAUDIO == 18
active = Pa_StreamActive(pa_stream)
&& (mInCallbackFinishedState == false);
#else
active = Pa_IsStreamActive(pa_stream)
&& (mInCallbackFinishedState == false);
#endif
}
return active == 1;
}
int wave_is_busy(void* theHandler)
{
PaError active=0;
SHOW_TIME("wave_is_busy");
if (pa_stream)
{
#if USE_PORTAUDIO == 18
active = Pa_StreamActive(pa_stream)
&& (mInCallbackFinishedState == false);
#else
active = Pa_IsStreamActive(pa_stream)
&& (mInCallbackFinishedState == false);
#endif
}
SHOW("wave_is_busy: %d\n",active);
return (active==1);
}
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 wave_close(void* theHandler)
{
SHOW_TIME("wave_close > ENTER");
static int aStopStreamCount = 0;
#if (USE_PORTAUDIO == 19)
if( pa_stream == NULL )
{
SHOW_TIME("wave_close > LEAVE (NULL stream)");
return 0;
}
if( Pa_IsStreamStopped( pa_stream ) )
{
SHOW_TIME("wave_close > LEAVE (stopped)");
return 0;
}
#else
if( pa_stream == NULL )
{
SHOW_TIME("wave_close > LEAVE (NULL stream)");
return 0;
}
if( Pa_StreamActive( pa_stream ) == false && mInCallbackFinishedState == false )
{
SHOW_TIME("wave_close > LEAVE (not active)");
return 0;
}
#endif
// Avoid race condition by making sure this function only
// gets called once at a time
aStopStreamCount++;
if (aStopStreamCount != 1)
{
SHOW_TIME("wave_close > LEAVE (stopStreamCount)");
return 0;
}
// Comment from Audacity-1.2.4b adapted to the eSpeak context.
//
// We got here in one of two ways:
//
// 1. The calling program calls the espeak_Cancel function and we
// therefore want to stop as quickly as possible.
// So we use AbortStream(). If this is
// the case the portaudio stream is still in the Running state
// (see PortAudio state machine docs).
//
// 2. The callback told PortAudio to stop the stream since it had
// reached the end of the selection.
// The event polling thread discovered this by noticing that
// wave_is_busy() returned false.
// wave_is_busy() (which calls Pa_GetStreamActive()) will not return
// false until all buffers have finished playing, so we can call
// AbortStream without losing any samples. If this is the case
// we are in the "callback finished state" (see PortAudio state
// machine docs).
//
// The moral of the story: We can call AbortStream safely, without
// losing samples.
//
// DMM: This doesn't seem to be true; it seems to be necessary to
// call StopStream if the callback brought us here, and AbortStream
// if the user brought us here.
//
#if (USE_PORTAUDIO == 19)
if (pa_stream)
{
Pa_AbortStream( pa_stream );
SHOW_TIME("wave_close > Pa_AbortStream (end)");
Pa_CloseStream( pa_stream );
SHOW_TIME("wave_close > Pa_CloseStream (end)");
pa_stream = NULL;
mInCallbackFinishedState = false;
}
#else
if (pa_stream)
{
if (mInCallbackFinishedState)
{
Pa_StopStream( pa_stream );
SHOW_TIME("wave_close > Pa_StopStream (end)");
}
else
{
Pa_AbortStream( pa_stream );
SHOW_TIME("wave_close > Pa_AbortStream (end)");
}
Pa_CloseStream( pa_stream );
SHOW_TIME("wave_close > Pa_CloseStream (end)");
pa_stream = NULL;
mInCallbackFinishedState = false;
}
#endif
init_buffer();
aStopStreamCount = 0; // last action
SHOW_TIME("wave_close > LEAVE");
return 0;
}
static int wave_open_sound()
{
ENTER("wave_open_sound");
PaError err=paNoError;
PaError active;
#if USE_PORTAUDIO == 18
active = Pa_StreamActive(pa_stream);
#else
active = Pa_IsStreamActive(pa_stream);
#endif
if(active == 1)
{
SHOW_TIME("wave_open_sound > already active");
return(0);
}
if(active < 0)
{
out_channels = 1;
#if USE_PORTAUDIO == 18
// err = Pa_OpenDefaultStream(&pa_stream,0,1,paInt16,wave_samplerate,FRAMES_PER_BUFFER,N_WAV_BUF,pa_callback,(void *)userdata);
PaDeviceID playbackDevice = Pa_GetDefaultOutputDeviceID();
PaError err = Pa_OpenStream( &pa_stream,
/* capture parameters */
paNoDevice,
0,
paInt16,
NULL,
/* playback parameters */
playbackDevice,
out_channels,
paInt16,
NULL,
/* general parameters */
wave_samplerate, FRAMES_PER_BUFFER, 0,
//paClipOff | paDitherOff,
paNoFlag,
pa_callback, (void *)userdata);
SHOW("wave_open_sound > Pa_OpenDefaultStream(1): err=%d (%s)\n",err, Pa_GetErrorText(err));
if(err == paInvalidChannelCount)
{
SHOW_TIME("wave_open_sound > try stereo");
// failed to open with mono, try stereo
out_channels = 2;
// myOutputParameters.channelCount = out_channels;
PaError err = Pa_OpenStream( &pa_stream,
/* capture parameters */
paNoDevice,
0,
paInt16,
NULL,
/* playback parameters */
playbackDevice,
out_channels,
paInt16,
NULL,
/* general parameters */
wave_samplerate, FRAMES_PER_BUFFER, 0,
//paClipOff | paDitherOff,
paNoFlag,
pa_callback, (void *)userdata);
// err = Pa_OpenDefaultStream(&pa_stream,0,2,paInt16,
// wave_samplerate,
// FRAMES_PER_BUFFER,
// N_WAV_BUF,pa_callback,(void *)userdata);
SHOW("wave_open_sound > Pa_OpenDefaultStream(2): err=%d (%s)\n",err, Pa_GetErrorText(err));
err=0; // avoid warning
}
mInCallbackFinishedState = false; // v18 only
#else
myOutputParameters.channelCount = out_channels;
unsigned long framesPerBuffer = paFramesPerBufferUnspecified;
err = Pa_OpenStream(
&pa_stream,
NULL, /* no input */
&myOutputParameters,
wave_samplerate,
framesPerBuffer,
paNoFlag,
// paClipOff | paDitherOff,
pa_callback,
(void *)userdata);
if ((err!=paNoError)
&& (err!=paInvalidChannelCount)) //err==paUnanticipatedHostError
{
fprintf(stderr, "wave_open_sound > Pa_OpenStream : err=%d (%s)\n",err,Pa_GetErrorText(err));
framesPerBuffer = FRAMES_PER_BUFFER;
err = Pa_OpenStream(
&pa_stream,
NULL, /* no input */
&myOutputParameters,
wave_samplerate,
framesPerBuffer,
paNoFlag,
// paClipOff | paDitherOff,
pa_callback,
(void *)userdata);
}
if(err == paInvalidChannelCount)
{
SHOW_TIME("wave_open_sound > try stereo");
// failed to open with mono, try stereo
out_channels = 2;
myOutputParameters.channelCount = out_channels;
err = Pa_OpenStream(
&pa_stream,
NULL, /* no input */
&myOutputParameters,
wave_samplerate,
framesPerBuffer,
paNoFlag,
// paClipOff | paDitherOff,
pa_callback,
(void *)userdata);
// err = Pa_OpenDefaultStream(&pa_stream,0,2,paInt16,(double)wave_samplerate,FRAMES_PER_BUFFER,pa_callback,(void *)userdata);
}
mInCallbackFinishedState = false;
#endif
}
SHOW("wave_open_sound > %s\n","LEAVE");
return (err != paNoError);
}
int main(void)
{
PortAudioStream *stream;
PaError err;
paTestData data;
int i;
int totalFrames;
int numSamples;
int numBytes;
SAMPLE max, average, val;
printf("patest_record.c\n"); fflush(stdout);
data.maxFrameIndex = totalFrames = NUM_SECONDS * SAMPLE_RATE; /* Record for a few seconds. */
data.frameIndex = 0;
numSamples = totalFrames * NUM_CHANNELS;
numBytes = numSamples * sizeof(SAMPLE);
data.recordedSamples = (SAMPLE *) malloc( numBytes );
if( data.recordedSamples == NULL )
{
printf("Could not allocate record array.\n");
exit(1);
}
for( i=0; i<numSamples; i++ ) data.recordedSamples[i] = 0;
err = Pa_Initialize();
if( err != paNoError ) goto error;
/* Record some audio. -------------------------------------------- */
err = Pa_OpenStream(
&stream,
Pa_GetDefaultInputDeviceID(),
NUM_CHANNELS,
PA_SAMPLE_TYPE,
NULL,
paNoDevice,
0,
PA_SAMPLE_TYPE,
NULL,
SAMPLE_RATE,
FRAMES_PER_BUFFER, /* frames per buffer */
0, /* number of buffers, if zero then use default minimum */
0, /* paDitherOff, // flags */
recordCallback,
&data );
if( err != paNoError ) goto error;
err = Pa_StartStream( stream );
if( err != paNoError ) goto error;
printf("Now recording!!\n"); fflush(stdout);
while( Pa_StreamActive( stream ) )
{
Pa_Sleep(1000);
printf("index = %d\n", data.frameIndex ); fflush(stdout);
}
err = Pa_CloseStream( stream );
if( err != paNoError ) goto error;
/* Measure maximum peak amplitude. */
max = 0;
average = 0;
for( i=0; i<numSamples; i++ )
{
val = data.recordedSamples[i];
if( val < 0 ) val = -val; /* ABS */
if( val > max )
{
max = val;
}
average += val;
}
average = average / numSamples;
if( PA_SAMPLE_TYPE == paFloat32 ) /* This should be done at compile-time with "#if" ?? */
{ /* MIPS-compiler warns at the int-version below. */
printf("sample max amplitude = %f\n", max );
printf("sample average = %f\n", average );
}
else
{
printf("sample max amplitude = %d\n", max ); /* <-- This IS compiled anyhow. */
printf("sample average = %d\n", average );
}
/* Write recorded data to a file. */
#if 0
{
FILE *fid;
fid = fopen("recorded.raw", "wb");
if( fid == NULL )
{
printf("Could not open file.");
}
else
{
fwrite( data.recordedSamples, NUM_CHANNELS * sizeof(SAMPLE), totalFrames, fid );
fclose( fid );
printf("Wrote data to 'recorded.raw'\n");
}
}
#endif
/* Playback recorded data. -------------------------------------------- */
data.frameIndex = 0;
printf("Begin playback.\n"); fflush(stdout);
err = Pa_OpenStream(
&stream,
paNoDevice,
0, /* NO input */
PA_SAMPLE_TYPE,
NULL,
Pa_GetDefaultOutputDeviceID(),
NUM_CHANNELS,
PA_SAMPLE_TYPE,
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 */
playCallback,
&data );
if( err != paNoError ) goto error;
if( stream )
{
err = Pa_StartStream( stream );
if( err != paNoError ) goto error;
printf("Waiting for playback to finish.\n"); fflush(stdout);
while( Pa_StreamActive( stream ) ) Pa_Sleep(100);
err = Pa_CloseStream( stream );
if( err != paNoError ) goto error;
printf("Done.\n"); fflush(stdout);
}
free( data.recordedSamples );
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;
}
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;
}
static int output_data(char *buf, int32 nbytes)
{
unsigned int i;
int32 samplesToGo;
char *bufepoint;
if(pa_active == 0) return -1;
while((pa_active==1) && (pa_data.samplesToGo > bytesPerInBuffer)){ Pa_Sleep(1);};
// if(pa_data.samplesToGo > DATA_BLOCK_SIZE){
// Sleep( (pa_data.samplesToGo - DATA_BLOCK_SIZE)/dpm.rate/4 );
// }
samplesToGo=pa_data.samplesToGo;
bufepoint=pa_data.bufepoint;
if (pa_data.buf+bytesPerInBuffer*2 >= bufepoint + nbytes){
memcpy(bufepoint, buf, nbytes);
bufepoint += nbytes;
//buf += nbytes;
}else{
int32 send = pa_data.buf+bytesPerInBuffer*2 - bufepoint;
if (send != 0) memcpy(bufepoint, buf, send);
buf += send;
memcpy(pa_data.buf, buf, nbytes - send);
bufepoint = pa_data.buf + nbytes - send;
//buf += nbytes-send;
}
samplesToGo += nbytes;
pa_data.samplesToGo=samplesToGo;
pa_data.bufepoint=bufepoint;
/*
if(firsttime==1){
err = Pa_StartStream( stream );
if( err != paNoError ) goto error;
firsttime=0;
}
*/
#if PORTAUDIO_V19
if( 0==Pa_IsStreamActive(stream)){
#else
if( 0==Pa_StreamActive(stream)){
#endif
err = Pa_StartStream( stream );
if( err != paNoError ) goto error;
}
// if(ctl->id_character != 'r' && ctl->id_character != 'A' && ctl->id_character != 'W' && ctl->id_character != 'P')
// while((pa_active==1) && (pa_data.samplesToGo > bytesPerInBuffer)){ Pa_Sleep(1);};
// Pa_Sleep( (pa_data.samplesToGo - bytesPerInBuffer)/dpm.rate * 1000);
return 0;
error:
Pa_Terminate(); pa_active=0;
ctl->cmsg(CMSG_ERROR, VERB_NORMAL, "PortAudio error: %s\n", Pa_GetErrorText( err ) );
return -1;
}
static void close_output(void)
{
if( pa_active==0) return;
#ifdef PORTAUDIO_V19
if(Pa_IsStreamActive(stream)){
#else
if(Pa_StreamActive(stream)){
#endif
Pa_Sleep( bytesPerInBuffer/dpm.rate*1000 );
}
err = Pa_AbortStream( stream );
if( (err!=paStreamIsStopped) && (err!=paNoError) ) goto error;
err = Pa_CloseStream( stream );
// if( err != paNoError ) goto error;
Pa_Terminate();
pa_active=0;
#ifdef AU_PORTAUDIO_DLL
#ifndef PORTAUDIO_V19
free_portaudio_dll();
#endif
#endif
return;
error:
Pa_Terminate(); pa_active=0;
#ifdef AU_PORTAUDIO_DLL
#ifndef PORTAUDIO_V19
free_portaudio_dll();
#endif
#endif
ctl->cmsg( CMSG_ERROR, VERB_NORMAL, "PortAudio error: %s\n", Pa_GetErrorText( err ) );
return;
}
static int acntl(int request, void *arg)
{
switch(request)
{
case PM_REQ_GETQSIZ:
*(int *)arg = bytesPerInBuffer*2;
return 0;
//break;
case PM_REQ_GETFILLABLE:
*(int *)arg = bytesPerInBuffer*2-pa_data.samplesToGo;
return 0;
//break;
case PM_REQ_GETFILLED:
*(int *)arg = pa_data.samplesToGo;
return 0;
//break;
case PM_REQ_DISCARD:
case PM_REQ_FLUSH:
pa_data.samplesToGo=0;
pa_data.bufpoint=pa_data.bufepoint;
err = Pa_AbortStream( stream );
if( (err!=paStreamIsStopped) && (err!=paNoError) ) goto error;
err = Pa_StartStream( stream );
if(err!=paNoError) goto error;
return 0;
//break;
case PM_REQ_RATE:
{
int i;
double sampleRateBack;
i = *(int *)arg; //* sample rate in and out *
close_output();
sampleRateBack=dpm.rate;
dpm.rate=i;
if(0==open_output()){
return 0;
}else{
dpm.rate=sampleRateBack;
open_output();
return -1;
}
}
//break;
// case PM_REQ_RATE:
// return -1;
case PM_REQ_PLAY_START: //* Called just before playing *
case PM_REQ_PLAY_END: //* Called just after playing *
return 0;
default:
return -1;
}
return -1;
error:
/*
Pa_Terminate(); pa_active=0;
#ifdef AU_PORTAUDIO_DLL
free_portaudio_dll();
#endif
*/
ctl->cmsg( CMSG_ERROR, VERB_NORMAL, "PortAudio error in acntl : %s\n", Pa_GetErrorText( err ) );
return -1;
}
static void print_device_list(void){
PaDeviceIndex maxDeviceIndex, i;
PaHostApiIndex HostApiIndex;
const PaDeviceInfo* DeviceInfo;
#if PORTAUDIO_V19
HostApiIndex=Pa_HostApiTypeIdToHostApiIndex(HostApiTypeId);
#endif
maxDeviceIndex=Pa_GetDeviceCount();
for( i = 0; i < maxDeviceIndex; i++){
DeviceInfo=Pa_GetDeviceInfo(i);
#if PORTAUDIO_V19
if( DeviceInfo->hostApi == HostApiIndex){
#endif
if( DeviceInfo->maxOutputChannels > 0){
ctl->cmsg( CMSG_ERROR, VERB_NORMAL, "%2d %s",i,DeviceInfo->name);
}
#if PORTAUDIO_V19
}
#endif
}
}
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;
}
PaError TestRecording( paTestData *dataPtr )
{
PortAudioStream *stream;
PaError err;
int i;
/* Record some audio. */
err = Pa_OpenStream(
&stream,
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;
err = Pa_StartStream( stream );
if( err != paNoError ) goto error;
printf("Now recording!\n"); fflush(stdout);
for( i=0; i<(NUM_SECONDS*1000/SLEEP_DUR_MSEC); i++ )
{
if( Pa_StreamActive( stream ) <= 0)
{
printf("Stream inactive!\n");
break;
}
if( dataPtr->maxFrameIndex <= dataPtr->frameIndex )
{
printf("Buffer recording complete.\n");
break;
}
Pa_Sleep(100);
printf("index = %d\n", dataPtr->frameIndex ); fflush(stdout);
}
printf("Finished loop. Close stream.\n"); fflush(stdout);
err = Pa_CloseStream( stream );
if( err != paNoError ) goto error;
printf("Done.\n"); fflush(stdout);
{
SAMPLE max = 0;
SAMPLE posVal;
int i;
for( i=0; i<dataPtr->numSamples; i++ )
{
posVal = dataPtr->recordedSamples[i];
if( posVal < 0 ) posVal = -posVal;
if( posVal > max ) max = posVal;
}
printf("Largest recorded sample = %d\n", max );
}
/* Write recorded data to a file. */
#if 0
{
FILE *fid;
fid = fopen("recorded.raw", "wb");
if( fid == NULL )
{
printf("Could not open file.");
}
else
{
fwrite( dataPtr->recordedSamples, dataPtr->samplesPerFrame * sizeof(SAMPLE), totalFrames, fid );
fclose( fid );
printf("Wrote data to 'recorded.raw'\n");
}
}
#endif
error:
return err;
}
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;
}
static int wave_open_sound()
{
PaError err = paNoError;
PaError active;
#if USE_PORTAUDIO == 18
active = Pa_StreamActive(pa_stream);
#else
active = Pa_IsStreamActive(pa_stream);
#endif
if (active == 1)
return 0;
if (active < 0) {
out_channels = 1;
#if USE_PORTAUDIO == 18
err = Pa_OpenStream(&pa_stream,
// capture parameters
paNoDevice,
0,
paInt16,
NULL,
// playback parameters
myOutputDevice,
out_channels,
paInt16,
NULL,
// general parameters
wave_samplerate, FRAMES_PER_BUFFER, 0,
paNoFlag,
pa_callback, (void *)userdata);
if (err == paInvalidChannelCount) {
// failed to open with mono, try stereo
out_channels = 2;
err = Pa_OpenStream(&pa_stream,
// capture parameters
paNoDevice,
0,
paInt16,
NULL,
// playback parameters
myOutputDevice,
out_channels,
paInt16,
NULL,
// general parameters
wave_samplerate, FRAMES_PER_BUFFER, 0,
paNoFlag,
pa_callback, (void *)userdata);
}
mInCallbackFinishedState = false; // v18 only
#else
myOutputParameters.channelCount = out_channels;
unsigned long framesPerBuffer = paFramesPerBufferUnspecified;
err = Pa_OpenStream(&pa_stream,
NULL, // no input
&myOutputParameters,
wave_samplerate,
framesPerBuffer,
paNoFlag,
pa_callback,
(void *)userdata);
if ((err != paNoError)
&& (err != paInvalidChannelCount)) {
fprintf(stderr, "wave_open_sound > Pa_OpenStream : err=%d (%s)\n", err, Pa_GetErrorText(err));
framesPerBuffer = FRAMES_PER_BUFFER;
err = Pa_OpenStream(&pa_stream,
NULL, // no input
&myOutputParameters,
wave_samplerate,
framesPerBuffer,
paNoFlag,
pa_callback,
(void *)userdata);
}
if (err == paInvalidChannelCount) {
// failed to open with mono, try stereo
out_channels = 2;
myOutputParameters.channelCount = out_channels;
err = Pa_OpenStream(&pa_stream,
NULL, // no input
&myOutputParameters,
wave_samplerate,
framesPerBuffer,
paNoFlag,
pa_callback,
(void *)userdata);
}
mInCallbackFinishedState = false;
#endif
}
return err != paNoError;
}
int main(void)
{
PortAudioStream *stream;
PaError err;
paTestData data;
int i;
int 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;
err = Pa_OpenStream(
&stream,
paNoDevice,/* default input device */
0, /* no input */
TEST_FORMAT,
NULL,
Pa_GetDefaultOutputDeviceID(), /* default output device */
2, /* stereo output */
TEST_FORMAT,
NULL,
SAMPLE_RATE,
256, /* 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;
/* Watch until sound is halfway finished. */
while( Pa_StreamTime( stream ) < (totalSamps/2) ) Pa_Sleep(10);
/* Stop sound until ENTER hit. */
err = Pa_StopStream( stream );
if( err != paNoError ) goto error;
printf("Pause for 2 seconds.\n");
Pa_Sleep( 2000 );
err = Pa_StartStream( stream );
if( err != paNoError ) goto error;
printf("Waiting for sound to finish.\n");
while( Pa_StreamActive( stream ) ) Pa_Sleep(10);
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;
}
