/**
* Pulseaudio stream state callback
*/
static void
stream_state_callback (pa_stream * s, void *userdata)
{
GNUNET_assert (NULL != s);
switch (pa_stream_get_state (s))
{
case PA_STREAM_CREATING:
case PA_STREAM_TERMINATED:
break;
case PA_STREAM_READY:
{
const pa_buffer_attr *a;
char cmt[PA_CHANNEL_MAP_SNPRINT_MAX];
char sst[PA_SAMPLE_SPEC_SNPRINT_MAX];
GNUNET_log (GNUNET_ERROR_TYPE_INFO,
_("Stream successfully created.\n"));
if (!(a = pa_stream_get_buffer_attr (s)))
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
_("pa_stream_get_buffer_attr() failed: %s\n"),
pa_strerror (pa_context_errno
(pa_stream_get_context (s))));
}
else
{
GNUNET_log (GNUNET_ERROR_TYPE_INFO,
_("Buffer metrics: maxlength=%u, fragsize=%u\n"),
a->maxlength, a->fragsize);
}
GNUNET_log (GNUNET_ERROR_TYPE_INFO,
_("Using sample spec '%s', channel map '%s'.\n"),
pa_sample_spec_snprint (sst, sizeof (sst),
pa_stream_get_sample_spec (s)),
pa_channel_map_snprint (cmt, sizeof (cmt),
pa_stream_get_channel_map (s)));
GNUNET_log (GNUNET_ERROR_TYPE_INFO,
_("Connected to device %s (%u, %ssuspended).\n"),
pa_stream_get_device_name (s),
pa_stream_get_device_index (s),
pa_stream_is_suspended (s) ? "" : "not ");
}
break;
case PA_STREAM_FAILED:
default:
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
_("Stream error: %s\n"),
pa_strerror (pa_context_errno (pa_stream_get_context (s))));
quit (1);
}
}
void
AudioStream::stream_state_callback(pa_stream* s, void* /*user_data*/)
{
char str[PA_SAMPLE_SPEC_SNPRINT_MAX];
switch (pa_stream_get_state(s)) {
case PA_STREAM_CREATING:
DEBUG("Stream is creating...");
break;
case PA_STREAM_TERMINATED:
DEBUG("Stream is terminating...");
break;
case PA_STREAM_READY:
DEBUG("Stream successfully created, connected to %s", pa_stream_get_device_name(s));
DEBUG("maxlength %u", pa_stream_get_buffer_attr(s)->maxlength);
DEBUG("tlength %u", pa_stream_get_buffer_attr(s)->tlength);
DEBUG("prebuf %u", pa_stream_get_buffer_attr(s)->prebuf);
DEBUG("minreq %u", pa_stream_get_buffer_attr(s)->minreq);
DEBUG("fragsize %u", pa_stream_get_buffer_attr(s)->fragsize);
DEBUG("samplespec %s", pa_sample_spec_snprint(str, sizeof(str), pa_stream_get_sample_spec(s)));
break;
case PA_STREAM_UNCONNECTED:
DEBUG("Stream unconnected");
break;
case PA_STREAM_FAILED:
default:
ERROR("Sink/Source doesn't exists: %s" , pa_strerror(pa_context_errno(pa_stream_get_context(s))));
break;
}
}
void
AudioStream::stateChanged(pa_stream* s)
{
UNUSED char str[PA_SAMPLE_SPEC_SNPRINT_MAX];
switch (pa_stream_get_state(s)) {
case PA_STREAM_CREATING:
RING_DBG("Stream is creating...");
break;
case PA_STREAM_TERMINATED:
RING_DBG("Stream is terminating...");
break;
case PA_STREAM_READY:
RING_DBG("Stream successfully created, connected to %s", pa_stream_get_device_name(s));
//RING_DBG("maxlength %u", pa_stream_get_buffer_attr(s)->maxlength);
//RING_DBG("tlength %u", pa_stream_get_buffer_attr(s)->tlength);
//RING_DBG("prebuf %u", pa_stream_get_buffer_attr(s)->prebuf);
//RING_DBG("minreq %u", pa_stream_get_buffer_attr(s)->minreq);
//RING_DBG("fragsize %u", pa_stream_get_buffer_attr(s)->fragsize);
//RING_DBG("samplespec %s", pa_sample_spec_snprint(str, sizeof(str), pa_stream_get_sample_spec(s)));
break;
case PA_STREAM_UNCONNECTED:
RING_DBG("Stream unconnected");
break;
case PA_STREAM_FAILED:
default:
RING_ERR("Stream failure: %s" , pa_strerror(pa_context_errno(pa_stream_get_context(s))));
break;
}
}
/* This routine is called whenever the stream state changes */
void QPulseAudioThread::stream_state_callback ( pa_stream *s, void *userdata )
{
assert ( s );
QPulseAudioThread * thread = (QPulseAudioThread *)userdata;
switch ( pa_stream_get_state ( s ) ) {
case PA_STREAM_UNCONNECTED:
qDebug() << "UNCONNECTED";
break;
case PA_STREAM_CREATING:
qDebug() << "CREATED";
break;
case PA_STREAM_TERMINATED:
qDebug() << "TERMINATED";
break;
case PA_STREAM_READY:
qDebug() << "READY";
if ( verbose ) {
const pa_buffer_attr *a;
fprintf ( stderr, "Stream successfully created.\n" );
if ( ! ( a = pa_stream_get_buffer_attr ( s ) ) )
fprintf ( stderr, "pa_stream_get_buffer_attr() failed: %s\n", pa_strerror ( pa_context_errno ( pa_stream_get_context ( s ) ) ) );
else {
fprintf(stderr, "Buffer metrics: maxlength=%u, fragsize=%u\n", a->maxlength, a->fragsize);
}
}
break;
case PA_STREAM_FAILED:
qDebug() << "FAILED";
default:
fprintf ( stderr, "Stream error: %s\n", pa_strerror ( pa_context_errno ( pa_stream_get_context ( s ) ) ) );
pulseQuit ( 1 );
}
}
void stream_state_callback(pa_stream *s, void *userdata) {
assert(s);
switch (pa_stream_get_state(s)) {
case PA_STREAM_CREATING:
break;
case PA_STREAM_TERMINATED:
break;
case PA_STREAM_READY:
if (verbose) {
const pa_buffer_attr *a;
char cmt[PA_CHANNEL_MAP_SNPRINT_MAX], sst[PA_SAMPLE_SPEC_SNPRINT_MAX];
printf("Stream successfully created.\n");
if (!(a = pa_stream_get_buffer_attr(s)))
printf("pa_stream_get_buffer_attr() failed: %s\n", pa_strerror(pa_context_errno(pa_stream_get_context(s))));
else {
printf("Buffer metrics: maxlength=%u, fragsize=%u\n", a->maxlength, a->fragsize);
}
/*
printf("Using sample spec '%s', channel map '%s'.",
pa_sample_spec_snprint(sst, sizeof(sst), pa_stream_get_sample_spec(s)),
pa_channel_map_snprint(cmt, sizeof(cmt), pa_stream_get_channel_map(s)));
*/
printf("Connected to device %s (%u, %ssuspended).\n",
pa_stream_get_device_name(s),
pa_stream_get_device_index(s),
pa_stream_is_suspended(s) ? "" : "not ");
}
break;
case PA_STREAM_FAILED:
default:
printf("Stream error: %s", pa_strerror(pa_context_errno(pa_stream_get_context(s))));
exit(1); //quit(1);
}
}
void PulseAudioSystem::stream_callback(pa_stream *s, void *userdata) {
PulseAudioSystem *pas = reinterpret_cast<PulseAudioSystem *>(userdata);
switch (pa_stream_get_state(s)) {
case PA_STREAM_FAILED:
qWarning("PulseAudio: Stream error: %s", pa_strerror(pa_context_errno(pa_stream_get_context(s))));
break;
default:
break;
}
pas->wakeup();
}
/*drain stream function*/
void quisk_drain_cork_stream(struct sound_dev *dev) {
pa_stream *s = dev->handle;
pa_operation *o;
if (!(o = pa_stream_drain(s, stream_drain_complete, NULL))) {
printf("pa_stream_drain(): %s\n", pa_strerror(pa_context_errno(pa_stream_get_context(s))));
exit(1);
}
pa_operation_unref(o);
}
/* Stream draining complete */
static void stream_drain_complete(pa_stream*s, int success, void *userdata) {
struct sound_dev *dev = userdata;
if (!success) {
printf("Failed to drain stream: %s\n", pa_strerror(pa_context_errno(pa_stream_get_context(s))));
quit(1);
}
if (quisk_sound_state.verbose_pulse)
printf("Playback stream %s drained.\n", dev->name);
}
// This is called by the play function when the timing structure is updated.
static void stream_timing_callback(pa_stream *s, int success, void *userdata) {
struct sound_dev *dev = userdata;
pa_usec_t l;
int negative = 0;
assert(s);
if (!success || pa_stream_get_latency(s, &l, &negative) < 0) {
printf("pa_stream_get_latency() failed: %s\n", pa_strerror(pa_context_errno(pa_stream_get_context(s))));
return;
}
dev->dev_latency = (int)l;
if (negative)
dev->dev_latency *= -1;
pa_threaded_mainloop_signal(pa_ml, 0);
}
/* This routine is called whenever the stream state changes */
static void stream_state_callback(pa_stream *s, void *userdata) {
pa_assert(s);
switch (pa_stream_get_state(s)) {
case PA_STREAM_CREATING:
case PA_STREAM_TERMINATED:
break;
case PA_STREAM_READY:
if (verbose) {
const pa_buffer_attr *a;
char cmt[PA_CHANNEL_MAP_SNPRINT_MAX], sst[PA_SAMPLE_SPEC_SNPRINT_MAX];
pa_log(_("Stream successfully created."));
if (!(a = pa_stream_get_buffer_attr(s)))
pa_log(_("pa_stream_get_buffer_attr() failed: %s"), pa_strerror(pa_context_errno(pa_stream_get_context(s))));
else {
if (mode == PLAYBACK)
pa_log(_("Buffer metrics: maxlength=%u, tlength=%u, prebuf=%u, minreq=%u"), a->maxlength, a->tlength, a->prebuf, a->minreq);
else {
pa_assert(mode == RECORD);
pa_log(_("Buffer metrics: maxlength=%u, fragsize=%u"), a->maxlength, a->fragsize);
}
}
pa_log(_("Using sample spec '%s', channel map '%s'."),
pa_sample_spec_snprint(sst, sizeof(sst), pa_stream_get_sample_spec(s)),
pa_channel_map_snprint(cmt, sizeof(cmt), pa_stream_get_channel_map(s)));
pa_log(_("Connected to device %s (%u, %ssuspended)."),
pa_stream_get_device_name(s),
pa_stream_get_device_index(s),
pa_stream_is_suspended(s) ? "" : "not ");
}
break;
case PA_STREAM_FAILED:
default:
pa_log(_("Stream error: %s"), pa_strerror(pa_context_errno(pa_stream_get_context(s))));
quit(1);
}
}
static void
stream_state_callback (pa_stream *pa, void *data)
{
switch (pa_stream_get_state(pa)) {
case PA_STREAM_CREATING:
case PA_STREAM_TERMINATED:
case PA_STREAM_READY:
case PA_STREAM_UNCONNECTED:
break;
case PA_STREAM_FAILED:
g_printerr("PA stream failed: %s\n",
pa_strerror(pa_context_errno(pa_stream_get_context(pa))));
default:
break;
}
}
//Flush function. Holds mainloop lock until operation is completed.
void quisk_flush_pulseaudio(struct sound_dev *dev) {
pa_stream *s = dev->handle;
pa_operation *o;
pa_threaded_mainloop_lock(pa_ml);
if (!(o = pa_stream_flush(s, stream_flushed_callback, dev))) {
printf("pa_stream_flush(): %s\n", pa_strerror(pa_context_errno(pa_stream_get_context(s))));
exit(1);
}
else {
while(pa_operation_get_state(o) == PA_OPERATION_RUNNING)
pa_threaded_mainloop_wait(pa_ml);
pa_operation_unref(o);
}
pa_threaded_mainloop_unlock(pa_ml);
}
static void outputStreamStateCallback(pa_stream *stream, void *userdata)
{
Q_UNUSED(userdata)
pa_stream_state_t state = pa_stream_get_state(stream);
#ifdef DEBUG_PULSE
qDebug() << "Stream state: " << QPulseAudioInternal::stateToQString(state);
#endif
switch (state) {
case PA_STREAM_CREATING:
case PA_STREAM_READY:
case PA_STREAM_TERMINATED:
break;
case PA_STREAM_FAILED:
default:
qWarning() << QString("Stream error: %1").arg(pa_strerror(pa_context_errno(pa_stream_get_context(stream))));
QPulseAudioEngine *pulseEngine = QPulseAudioEngine::instance();
pa_threaded_mainloop_signal(pulseEngine->mainloop(), 0);
break;
}
}
/* This routine is called whenever the stream state changes */
static void stream_state_callback(pa_stream *s, void *userdata) {
fail_unless(s != NULL);
switch (pa_stream_get_state(s)) {
case PA_STREAM_UNCONNECTED:
case PA_STREAM_CREATING:
case PA_STREAM_TERMINATED:
break;
case PA_STREAM_READY: {
int r, i = (int) (long) userdata;
fprintf(stderr, "Writing data to stream %i.\n", i);
r = pa_stream_write(s, data, sizeof(data), nop_free_cb, (int64_t) sizeof(data) * (int64_t) i, PA_SEEK_ABSOLUTE);
fail_unless(r == 0);
/* Be notified when this stream is drained */
pa_stream_set_underflow_callback(s, underflow_cb, userdata);
/* All streams have been set up, let's go! */
if (++n_streams_ready >= NSTREAMS) {
fprintf(stderr, "Uncorking\n");
pa_operation_unref(pa_stream_cork(s, 0, NULL, NULL));
}
break;
}
default:
case PA_STREAM_FAILED:
fprintf(stderr, "Stream error: %s\n", pa_strerror(pa_context_errno(pa_stream_get_context(s))));
fail();
}
}
static void inputStreamStateCallback(pa_stream *stream, void *userdata)
{
Q_UNUSED(userdata);
pa_stream_state_t state = pa_stream_get_state(stream);
#ifdef DEBUG_PULSE
qDebug() << "Stream state: " << QPulseAudioInternal::stateToQString(state);
#endif
switch (state) {
case PA_STREAM_CREATING:
break;
case PA_STREAM_READY: {
#ifdef DEBUG_PULSE
QPulseAudioInput *audioInput = static_cast<QPulseAudioInput*>(userdata);
const pa_buffer_attr *buffer_attr = pa_stream_get_buffer_attr(stream);
qDebug() << "*** maxlength: " << buffer_attr->maxlength;
qDebug() << "*** prebuf: " << buffer_attr->prebuf;
qDebug() << "*** fragsize: " << buffer_attr->fragsize;
qDebug() << "*** minreq: " << buffer_attr->minreq;
qDebug() << "*** tlength: " << buffer_attr->tlength;
pa_sample_spec spec = QPulseAudioInternal::audioFormatToSampleSpec(audioInput->format());
qDebug() << "*** bytes_to_usec: " << pa_bytes_to_usec(buffer_attr->fragsize, &spec);
#endif
}
break;
case PA_STREAM_TERMINATED:
break;
case PA_STREAM_FAILED:
default:
qWarning() << QString("Stream error: %1").arg(pa_strerror(pa_context_errno(pa_stream_get_context(stream))));
QPulseAudioEngine *pulseEngine = QPulseAudioEngine::instance();
pa_threaded_mainloop_signal(pulseEngine->mainloop(), 0);
break;
}
}
qint64 QPulseAudioInput::read(char *data, qint64 len)
{
m_bytesAvailable = checkBytesReady();
setError(QAudio::NoError);
setState(QAudio::ActiveState);
int readBytes = 0;
if (!m_pullMode && !m_tempBuffer.isEmpty()) {
readBytes = qMin(static_cast<int>(len), m_tempBuffer.size());
memcpy(data, m_tempBuffer.constData(), readBytes);
m_totalTimeValue += readBytes;
if (readBytes < m_tempBuffer.size()) {
m_tempBuffer.remove(0, readBytes);
return readBytes;
}
m_tempBuffer.clear();
}
while (pa_stream_readable_size(m_stream) > 0) {
size_t readLength = 0;
#ifdef DEBUG_PULSE
qDebug() << "QPulseAudioInput::read -- " << pa_stream_readable_size(m_stream) << " bytes available from pulse audio";
#endif
QPulseAudioEngine *pulseEngine = QPulseAudioEngine::instance();
pulseEngine->lock();
const void *audioBuffer;
// Second and third parameters (audioBuffer and length) to pa_stream_peek are output parameters,
// the audioBuffer pointer is set to point to the actual pulse audio data,
// and the length is set to the length of this data.
if (pa_stream_peek(m_stream, &audioBuffer, &readLength) < 0) {
qWarning() << QString("pa_stream_peek() failed: %1").arg(pa_strerror(pa_context_errno(pa_stream_get_context(m_stream))));
pulseEngine->unlock();
return 0;
}
qint64 actualLength = 0;
if (m_pullMode) {
QByteArray adjusted(readLength, Qt::Uninitialized);
applyVolume(audioBuffer, adjusted.data(), readLength);
actualLength = m_audioSource->write(adjusted);
if (actualLength < qint64(readLength)) {
pulseEngine->unlock();
setError(QAudio::UnderrunError);
setState(QAudio::IdleState);
return actualLength;
}
} else {
actualLength = qMin(static_cast<int>(len - readBytes), static_cast<int>(readLength));
applyVolume(audioBuffer, data + readBytes, actualLength);
}
#ifdef DEBUG_PULSE
qDebug() << "QPulseAudioInput::read -- wrote " << actualLength << " to client";
#endif
if (actualLength < qint64(readLength)) {
#ifdef DEBUG_PULSE
qDebug() << "QPulseAudioInput::read -- appending " << readLength - actualLength << " bytes of data to temp buffer";
#endif
int diff = readLength - actualLength;
int oldSize = m_tempBuffer.size();
m_tempBuffer.resize(m_tempBuffer.size() + diff);
applyVolume(static_cast<const char *>(audioBuffer) + actualLength, m_tempBuffer.data() + oldSize, diff);
QMetaObject::invokeMethod(this, "userFeed", Qt::QueuedConnection);
}
m_totalTimeValue += actualLength;
readBytes += actualLength;
pa_stream_drop(m_stream);
pulseEngine->unlock();
if (!m_pullMode && readBytes >= len)
break;
if (m_intervalTime && (m_timeStamp.elapsed() + m_elapsedTimeOffset) > m_intervalTime) {
emit notify();
m_elapsedTimeOffset = m_timeStamp.elapsed() + m_elapsedTimeOffset - m_intervalTime;
m_timeStamp.restart();
}
}
#ifdef DEBUG_PULSE
qDebug() << "QPulseAudioInput::read -- returning after reading " << readBytes << " bytes";
#endif
return readBytes;
}
void stream_state_callback(pa_stream *s, void *userdata) {
struct sound_dev *dev = userdata;
assert(s);
assert(dev);
switch (pa_stream_get_state(s)) {
case PA_STREAM_CREATING:
break;
case PA_STREAM_TERMINATED:
if (quisk_sound_state.verbose_pulse)
printf("stream %s terminated\n", dev->name);
streams_ready--;
break;
case PA_STREAM_READY:
streams_ready++; //increment counter to tell other thread that this stream is ready
if (quisk_sound_state.verbose_pulse) {
const pa_buffer_attr *a;
printf("Connected to device %s (%u, %ssuspended). ",
pa_stream_get_device_name(s), pa_stream_get_device_index(s),
pa_stream_is_suspended(s) ? "" : "not ");
if (!(a = pa_stream_get_buffer_attr(s)))
printf("pa_stream_get_buffer_attr() failed: %s", pa_strerror(pa_context_errno(pa_stream_get_context(s))));
else if (!(a->prebuf)) {
printf("Buffer metrics %s: maxlength=%u, fragsize=%u\n", dev->name, a->maxlength, a->fragsize);
}
else {
printf("Buffer metrics %s: maxlength=%u, prebuf=%u, tlength=%u minreq=%u\n",
dev->name, a->maxlength, a->prebuf, a->tlength, a->minreq);
}
}
break;
case PA_STREAM_FAILED:
default:
printf("Stream error: %s - %s\n", dev->name, pa_strerror(pa_context_errno(pa_stream_get_context(s))));
exit(1);
}
}
/*!
* \Write outgoing samples directly to pulseaudio server.
* \param playdev Input. Device to which to play the samples.
* \param nSamples Input. Number of samples to play.
* \param cSamples Input. Sample buffer to play from.
* \param report_latency Input. 1 to update \c quisk_sound_state.latencyPlay, 0 otherwise.
* \param volume Input. Ratio in [0,1] by which to scale the played samples.
*/
void quisk_play_pulseaudio(struct sound_dev *dev, int nSamples, complex double *cSamples,
int report_latency, double volume) {
pa_stream *s = dev->handle;
int i=0, n=0;
void *fbuffer;
int fbuffer_bytes = 0;
if( !dev || nSamples <= 0)
return;
if (dev->cork_status)
return;
if (report_latency) { // Report the latency, if requested.
pa_operation *o;
pa_threaded_mainloop_lock(pa_ml);
if (!(o = pa_stream_update_timing_info(s, stream_timing_callback, dev))) {
printf("pa_stream_update_timing(): %s\n", pa_strerror(pa_context_errno(pa_stream_get_context(s))));
}
else {
while (pa_operation_get_state(o) == PA_OPERATION_RUNNING)
pa_threaded_mainloop_wait(pa_ml);
pa_operation_unref(o);
}
pa_threaded_mainloop_unlock(pa_ml);
}
fbuffer = pa_xmalloc(nSamples * dev->num_channels * dev->sample_bytes);
// Convert from complex data to framebuffer
if (dev->sample_bytes == 4) {
float fi=0.f, fq=0.f;
for(i = 0, n = 0; n < nSamples; i += (dev->num_channels * 4), ++n) {
fi = (volume * creal(cSamples[n])) / CLIP32;
fq = (volume * cimag(cSamples[n])) / CLIP32;
memcpy(fbuffer + i + (dev->channel_I * 4), &fi, 4);
memcpy(fbuffer + i + (dev->channel_Q * 4), &fq, 4);
}
}
else if (dev->sample_bytes == 2) {
int ii, qq;
for(i = 0, n = 0; n < nSamples; i += (dev->num_channels * 2), ++n) {
ii = (int)(volume * creal(cSamples[n]) / 65536);
qq = (int)(volume * cimag(cSamples[n]) / 65536);
memcpy(fbuffer + i + (dev->channel_I * 2), &ii, 2);
memcpy(fbuffer + i + (dev->channel_Q * 2), &qq, 2);
}
}
else {
printf("Unknown sample size for %s", dev->name);
exit(1);
}
fbuffer_bytes = nSamples * dev->num_channels * dev->sample_bytes;
pa_threaded_mainloop_lock(pa_ml);
size_t writable = pa_stream_writable_size(s);
if (writable > 0) {
if ( writable > 1024*1000 ) //sanity check to prevent pa_xmalloc from crashing on monitor streams
writable = 1024*1000;
if (fbuffer_bytes > writable) {
if (quisk_sound_state.verbose_pulse)
printf("Truncating write by %u bytes\n", fbuffer_bytes - (int)writable);
fbuffer_bytes = writable;
}
pa_stream_write(dev->handle, fbuffer, (size_t)fbuffer_bytes, NULL, 0, PA_SEEK_RELATIVE);
//printf("wrote %d to %s\n", writable, dev->name);
}
else {
if (quisk_sound_state.verbose_pulse)
printf("Can't write to stream %s. Dropping %d bytes\n", dev->name, fbuffer_bytes);
}
pa_threaded_mainloop_unlock(pa_ml);
pa_xfree(fbuffer);
fbuffer=NULL;
}