static gboolean check_pulse_health (xmms_pulse *p, int *rerror)
{
if (!p->context || pa_context_get_state (p->context) != PA_CONTEXT_READY ||
!p->stream || pa_stream_get_state (p->stream) != PA_STREAM_READY) {
if ((p->context &&
pa_context_get_state (p->context) == PA_CONTEXT_FAILED) ||
(p->stream &&
pa_stream_get_state (p->stream) == PA_STREAM_FAILED)) {
if (rerror)
*(rerror) = pa_context_errno (p->context);
} else if (rerror)
*(rerror) = PA_ERR_BADSTATE;
return FALSE;
}
return TRUE;
}
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;
}
}
static void
rdpsnd_pulse_stream_state_callback(pa_stream * stream, void * userdata)
{
rdpsndDevicePlugin * devplugin;
struct pulse_device_data * pulse_data;
pa_stream_state_t state;
devplugin = (rdpsndDevicePlugin *) userdata;
pulse_data = (struct pulse_device_data *) devplugin->device_data;
state = pa_stream_get_state(stream);
switch (state)
{
case PA_STREAM_READY:
LLOGLN(10, ("rdpsnd_pulse_stream_state_callback: PA_STREAM_READY"));
pa_threaded_mainloop_signal (pulse_data->mainloop, 0);
break;
case PA_STREAM_FAILED:
case PA_STREAM_TERMINATED:
LLOGLN(10, ("rdpsnd_pulse_stream_state_callback: state %d", (int)state));
pa_threaded_mainloop_signal (pulse_data->mainloop, 0);
break;
default:
LLOGLN(10, ("rdpsnd_pulse_stream_state_callback: state %d", (int)state));
break;
}
}
/*
* Stream state callbacks
*
* A 'stream' represents a data path between the client and server.
* Sample streams include a playback stream, a recording stream, or
* a file upload stream.
*
* A single client-server connection ('context') can have multiple
* streams. Each stream can have its own latency and time fragment
* requirements through PulseAudio buffer attributes. A stream can
* be moved to a different sink during its lifetime.
*/
static void stream_state_callback(pa_stream *stream, void *userdata) {
struct context *ctx = userdata;
assert(ctx);
assert(ctx->context);
switch (pa_stream_get_state(stream)) {
case PA_STREAM_CREATING:
case PA_STREAM_TERMINATED:
break;
case PA_STREAM_READY:
out("Playback stream succesfully created");
break;
case PA_STREAM_FAILED:
default:
error("Playback stream error: %s",
pa_strerror(pa_context_errno(ctx->context)));
goto fail;
}
return;
fail:
quit(ctx, EXIT_FAILURE);
}
float AudioDriverPulseAudio::get_latency() {
if (latency == 0) { //only do this once since it's approximate anyway
lock();
pa_usec_t palat = 0;
if (pa_stream_get_state(pa_str) == PA_STREAM_READY) {
int negative = 0;
if (pa_stream_get_latency(pa_str, &palat, &negative) >= 0) {
if (negative) {
palat = 0;
}
}
}
if (palat > 0) {
latency = double(palat) / 1000000.0;
}
unlock();
}
return latency;
}
bool AudioStream::isReady()
{
if (!audiostream_)
return false;
return pa_stream_get_state(audiostream_) == PA_STREAM_READY;
}
void AudioSinksManager::InternalAudioSink::stream_state_change_callback(pa_stream* /*stream*/,
void* userdata) {
AudioSinksManager::InternalAudioSink* sink =
static_cast<AudioSinksManager::InternalAudioSink*>(userdata);
pa_stream_state_t state = pa_stream_get_state(sink->stream);
const char* state_str = "Wrong impossible state";
switch (state) {
case PA_STREAM_UNCONNECTED: state_str = "UNCONNECTED"; break;
case PA_STREAM_CREATING: state_str = "CREATING"; break;
case PA_STREAM_READY: state_str = "READY"; break;
case PA_STREAM_FAILED: state_str = "FAILED"; break;
case PA_STREAM_TERMINATED: state_str = "TERMINATED"; break;
}
sink->manager->logger->trace("(AudioSink '{}') Stream new state: {}", sink->name, state_str);
switch (state) {
case PA_STREAM_FAILED:
sink->manager->logger->error("(AudioSink '{}') Stream failed: {}", sink->name,
sink->manager->get_pa_error());
sink->state = State::DEAD;
// FALLTHROUGH
case PA_STREAM_TERMINATED:
pa_stream_unref(sink->stream);
sink->stream = nullptr;
sink->stop_sink();
break;
default: break;
}
}
int AudioOutputPulseAudio::GetBufferedOnSoundcard(void) const
{
pa_usec_t latency = 0;
size_t buffered = 0;
if (!pcontext || pa_context_get_state(pcontext) != PA_CONTEXT_READY)
return 0;
if (!pstream || pa_stream_get_state(pstream) != PA_STREAM_READY)
return 0;
const pa_buffer_attr *buf_attr = pa_stream_get_buffer_attr(pstream);
size_t bfree = pa_stream_writable_size(pstream);
buffered = buf_attr->tlength - bfree;
pa_threaded_mainloop_lock(mainloop);
while (pa_stream_get_latency(pstream, &latency, NULL) < 0)
{
if (pa_context_errno(pcontext) != PA_ERR_NODATA)
{
latency = 0;
break;
}
pa_threaded_mainloop_wait(mainloop);
}
pa_threaded_mainloop_unlock(mainloop);
return ((uint64_t)latency * samplerate *
output_bytes_per_frame / 1000000) + buffered;
}
static void
tsmf_pulse_stream_state_callback(pa_stream * stream, void * userdata)
{
TSMFPulseAudioDevice * pulse = (TSMFPulseAudioDevice *) userdata;
pa_stream_state_t state;
state = pa_stream_get_state(stream);
switch (state)
{
case PA_STREAM_READY:
LLOGLN(10, ("tsmf_pulse_stream_state_callback: PA_STREAM_READY"));
pa_threaded_mainloop_signal (pulse->mainloop, 0);
break;
case PA_STREAM_FAILED:
case PA_STREAM_TERMINATED:
LLOGLN(10, ("tsmf_pulse_stream_state_callback: state %d", (int)state));
pa_threaded_mainloop_signal (pulse->mainloop, 0);
break;
default:
LLOGLN(10, ("tsmf_pulse_stream_state_callback: state %d", (int)state));
break;
}
}
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;
}
}
/** Play the specified data to the polypaudio server */
static int play(void* data, int len, int flags) {
assert(stream && context);
if (pa_stream_get_state(stream) != PA_STREAM_READY)
return -1;
if (!len)
wait_for_operation(pa_stream_trigger(stream, NULL, NULL));
else
pa_stream_write(stream, data, len, NULL, 0);
wait_for_completion();
if (pa_stream_get_state(stream) != PA_STREAM_READY)
return -1;
return len;
}
static void stream_state_cb(pa_stream *s, void *userdata) {
switch (pa_stream_get_state(s)) {
case PA_STREAM_READY:
case PA_STREAM_FAILED:
case PA_STREAM_TERMINATED:
pa_threaded_mainloop_signal(mainloop, 0);
break;
}
}
void AudioOutputPulseAudio::WriteAudio(uchar *aubuf, int size)
{
QString fn_log_tag = "WriteAudio, ";
pa_stream_state_t sstate = pa_stream_get_state(pstream);
VBAUDIOTS(fn_log_tag + QString("writing %1 bytes").arg(size));
/* NB This "if" check can be replaced with PA_STREAM_IS_GOOD() in
PulseAudio API from 0.9.11. As 0.9.10 is still widely used
we use the more verbose version for now */
if (sstate == PA_STREAM_CREATING || sstate == PA_STREAM_READY)
{
int write_status = PA_ERR_INVALID;
size_t to_write = size;
unsigned char *buf_ptr = aubuf;
pa_threaded_mainloop_lock(mainloop);
while (to_write > 0)
{
write_status = 0;
size_t writable = pa_stream_writable_size(pstream);
if (writable > 0)
{
size_t write = min(to_write, writable);
write_status = pa_stream_write(pstream, buf_ptr, write,
NULL, 0, PA_SEEK_RELATIVE);
if (0 != write_status)
break;
buf_ptr += write;
to_write -= write;
}
else
{
pa_threaded_mainloop_wait(mainloop);
}
}
pa_threaded_mainloop_unlock(mainloop);
if (to_write > 0)
{
if (write_status != 0)
VBERROR(fn_log_tag + QString("stream write failed: %1")
.arg(write_status == PA_ERR_BADSTATE
? "PA_ERR_BADSTATE"
: "PA_ERR_INVALID"));
VBERROR(fn_log_tag + QString("short write, %1 of %2")
.arg(size - to_write).arg(size));
}
}
else
VBERROR(fn_log_tag + QString("stream state not good: %1")
.arg(sstate,0,16));
}
// PulseAudio Event Callbacks //{{{
static void stream_state_callback(pa_stream *stream, void *pdata) //{{{
{
pa_threaded_mainloop *loop = pdata;
pa_stream_state_t state;
state = pa_stream_get_state(stream);
if(state == PA_STREAM_READY || !PA_STREAM_IS_GOOD(state))
pa_threaded_mainloop_signal(loop, 0);
}//}}}
/** Return number of bytes that may be written to the server without blocking */
static int get_space(void) {
uint32_t l;
assert(stream && context && pa_stream_get_state(stream) == PA_STREAM_READY);
keep_alive();
l = pa_stream_writable_size(stream);
return l;
}
/**
* 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);
}
}
static ALCenum pulse_capture_samples(ALCdevice *device, ALCvoid *buffer, ALCuint samples)
{
pulse_data *data = device->ExtraData;
ALCuint todo = samples * pa_frame_size(&data->spec);
pa_threaded_mainloop_lock(data->loop);
/* Capture is done in fragment-sized chunks, so we loop until we get all
* that's available */
data->last_readable -= todo;
while(todo > 0)
{
size_t rem = todo;
if(data->cap_len == 0)
{
pa_stream_state_t state;
state = pa_stream_get_state(data->stream);
if(!PA_STREAM_IS_GOOD(state))
{
aluHandleDisconnect(device);
break;
}
if(pa_stream_peek(data->stream, &data->cap_store, &data->cap_len) < 0)
{
ERR("pa_stream_peek() failed: %s\n",
pa_strerror(pa_context_errno(data->context)));
aluHandleDisconnect(device);
break;
}
data->cap_remain = data->cap_len;
}
if(rem > data->cap_remain)
rem = data->cap_remain;
memcpy(buffer, data->cap_store, rem);
buffer = (ALbyte*)buffer + rem;
todo -= rem;
data->cap_store = (ALbyte*)data->cap_store + rem;
data->cap_remain -= rem;
if(data->cap_remain == 0)
{
pa_stream_drop(data->stream);
data->cap_len = 0;
}
}
if(todo > 0)
memset(buffer, ((device->FmtType==DevFmtUByte) ? 0x80 : 0), todo);
pa_threaded_mainloop_unlock(data->loop);
return ALC_NO_ERROR;
}
static void time_event_callback(pa_mainloop_api *m, pa_time_event *e, const struct timeval *t, void *userdata) {
if (stream && pa_stream_get_state(stream) == PA_STREAM_READY) {
pa_operation *o;
if (!(o = pa_stream_update_timing_info(stream, stream_update_timing_callback, NULL)))
pa_log(_("pa_stream_update_timing_info() failed: %s"), pa_strerror(pa_context_errno(context)));
else
pa_operation_unref(o);
}
pa_context_rttime_restart(context, e, pa_rtclock_now() + TIME_EVENT_USEC);
}
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();
}
static void stream_state_callback(pa_stream *s,void*){
fxmessage("[pulse] stream_state_callback:");
switch(pa_stream_get_state(s)) {
case PA_STREAM_UNCONNECTED : fxmessage(" unconnected\n"); break;
case PA_STREAM_CREATING : fxmessage(" creating\n"); break;
case PA_STREAM_READY : fxmessage(" ready\n"); break;
case PA_STREAM_FAILED : fxmessage(" failed\n"); break;
case PA_STREAM_TERMINATED : fxmessage(" terminated\n"); break;
default : fxmessage(" unknown\n"); break;
}
}
static int stream_wait(pa_stream *stream, pa_threaded_mainloop *mainloop)
{
pa_stream_state_t state;
while ((state = pa_stream_get_state(stream)) != PA_STREAM_READY) {
if (state == PA_STREAM_FAILED || state == PA_STREAM_TERMINATED)
return -1;
pa_threaded_mainloop_wait(mainloop);
}
return 0;
}
/** Return the current latency in seconds */
static float get_delay(void) {
pa_usec_t latency;
assert(stream && context && pa_stream_get_state(stream) == PA_STREAM_READY);
/* latency = 0; */
/* wait_for_operation(pa_stream_get_latency(stream, latency_func, NULL)); */
/* pa_operation_unref(pa_stream_get_latency(stream, latency_func, NULL)); */
latency = pa_stream_get_interpolated_latency(stream, NULL);
return (float) latency/1000000;
}
static void stream_state_callback2(pa_stream *stream, void *pdata) //{{{
{
ALCdevice *Device = pdata;
pulse_data *data = Device->ExtraData;
if(pa_stream_get_state(stream) == PA_STREAM_FAILED)
{
ERR("Received stream failure!\n");
aluHandleDisconnect(Device);
}
pa_threaded_mainloop_signal(data->loop, 0);
}//}}}
static void stream_state_cb(pa_stream *s, void *userdata)
{
struct ao *ao = userdata;
struct priv *priv = ao->priv;
switch (pa_stream_get_state(s)) {
case PA_STREAM_READY:
case PA_STREAM_FAILED:
case PA_STREAM_TERMINATED:
pa_threaded_mainloop_signal(priv->mainloop, 0);
break;
}
}
/*
* Create a new pulse audio stream and connect to it
*
* Return a negative value on error
*/
static int pulse_connect_stream(struct pulse_data *data)
{
pa_sample_spec spec;
spec.format = data->format;
spec.rate = data->samples_per_sec;
spec.channels = get_audio_channels(data->speakers);
if (!pa_sample_spec_valid(&spec)) {
blog(LOG_ERROR, "pulse-input: Sample spec is not valid");
return -1;
}
data->bytes_per_frame = pa_frame_size(&spec);
blog(LOG_DEBUG, "pulse-input: %u bytes per frame",
(unsigned int) data->bytes_per_frame);
pa_buffer_attr attr;
attr.fragsize = get_buffer_size(data, 250);
attr.maxlength = (uint32_t) -1;
attr.minreq = (uint32_t) -1;
attr.prebuf = (uint32_t) -1;
attr.tlength = (uint32_t) -1;
data->stream = pa_stream_new_with_proplist(data->context,
obs_source_getname(data->source), &spec, NULL, data->props);
if (!data->stream) {
blog(LOG_ERROR, "pulse-input: Unable to create stream");
return -1;
}
pa_stream_flags_t flags =
PA_STREAM_INTERPOLATE_TIMING
| PA_STREAM_AUTO_TIMING_UPDATE
| PA_STREAM_ADJUST_LATENCY;
if (pa_stream_connect_record(data->stream, NULL, &attr, flags) < 0) {
blog(LOG_ERROR, "pulse-input: Unable to connect to stream");
return -1;
}
for (;;) {
pulse_iterate(data);
pa_stream_state_t state = pa_stream_get_state(data->stream);
if (state == PA_STREAM_READY) {
blog(LOG_DEBUG, "pulse-input: Stream ready");
break;
}
if (!PA_STREAM_IS_GOOD(state)) {
blog(LOG_ERROR, "pulse-input: Stream connect failed");
return -1;
}
}
return 0;
}
static void
stream_state_wait(cubeb_stream * stm, pa_stream_state_t target_state)
{
pa_threaded_mainloop_lock(stm->context->mainloop);
for (;;) {
pa_stream_state_t state = pa_stream_get_state(stm->stream);
assert(PA_CONTEXT_IS_GOOD(state));
if (state == target_state)
break;
pa_threaded_mainloop_wait(stm->context->mainloop);
}
pa_threaded_mainloop_unlock(stm->context->mainloop);
}
static void
stream_state_callback(pa_stream *s, void *userdata)
{
pa_audio_mode_t *pam = (pa_audio_mode_t *)userdata;
pa_operation *o;
if(pa_stream_get_state(s) == PA_STREAM_FAILED) {
pam->stream_error = pa_context_errno(pam->context);
TRACE(TRACE_ERROR, "PA",
"Stream failure: %s", pa_strerror(pam->stream_error));
}
if(pa_stream_get_state(s) == PA_STREAM_READY && pam->muted) {
o = pa_context_set_sink_input_mute(pam->context,
pa_stream_get_index(pam->stream),
pam->muted, NULL, NULL);
if(o != NULL)
pa_operation_unref(o);
}
pa_threaded_mainloop_signal(mainloop, 0);
}
/**
* Check if the stream is (already) connected, and waits for a signal
* if not. The mainloop must be locked before calling this function.
*
* @return the current stream state
*/
static pa_stream_state_t
pulse_output_check_stream(struct pulse_output *po)
{
pa_stream_state_t state = pa_stream_get_state(po->stream);
assert(po->mainloop != NULL);
switch (state) {
case PA_STREAM_READY:
case PA_STREAM_FAILED:
case PA_STREAM_TERMINATED:
case PA_STREAM_UNCONNECTED:
break;
case PA_STREAM_CREATING:
pa_threaded_mainloop_wait(po->mainloop);
state = pa_stream_get_state(po->stream);
break;
}
return state;
}
void m1sdr_PlayStop(void)
{
#if 0
pa_operation *op;
#endif
#ifdef USE_SDL
if (lnxdrv_apimode == 0)
{
SDL_PauseAudio(1);
}
#endif
if (lnxdrv_apimode == 1)
{
// snd_pcm_pause(pHandle, 1);
snd_pcm_drop(pHandle);
}
#if PULSE_USE_SIMPLE
if ((lnxdrv_apimode == 3) && (my_simple))
{
pa_simple_flush(my_simple, NULL);
pa_simple_free(my_simple);
my_simple = NULL;
}
#else
#if 0
if (lnxdrv_apimode == 3)
{
op = pa_stream_drain(my_pa_stream, &pa_stream_drain_complete, NULL);
if (op)
{
while (pa_operation_get_state(op) != PA_OPERATION_DONE)
{
if (pa_context_get_state(my_pa_context) != PA_CONTEXT_READY ||
pa_stream_get_state(my_pa_stream) != PA_STREAM_READY ||
pa_mainloop_iterate(my_pa_mainloop, 0, NULL) < 0)
{
pa_operation_cancel(op);
break;
}
}
}
}
#endif
#endif
waveLogStop();
oss_playing = 0;
}
static void stream_state_callback(pa_stream *stream, void *userdata) {
sa_stream_t* s = (sa_stream_t*)userdata;
switch (pa_stream_get_state(stream)) {
case PA_STREAM_READY:
case PA_STREAM_FAILED:
case PA_STREAM_TERMINATED:
pa_threaded_mainloop_signal(s->m, 0);
break;
case PA_STREAM_UNCONNECTED:
case PA_STREAM_CREATING:
break;
}
}