/*****************************************************************************
* Close: close the audio device
*****************************************************************************/
static void Close ( vlc_object_t *p_this )
{
aout_instance_t *p_aout = (aout_instance_t *)p_this;
struct aout_sys_t * p_sys = p_aout->output.p_sys;
msg_Dbg(p_aout, "Pulse Close");
if(p_sys->stream) {
pa_threaded_mainloop_lock(p_sys->mainloop);
pa_stream_set_write_callback(p_sys->stream, NULL, NULL);
pa_operation *o;
o = pa_stream_flush(p_sys->stream, success_cb, p_aout);
while( pa_operation_get_state(o) == PA_OPERATION_RUNNING )
pa_threaded_mainloop_wait(p_sys->mainloop);
pa_operation_unref(o);
o = pa_stream_drain(p_sys->stream, success_cb, p_aout);
while( pa_operation_get_state(o) == PA_OPERATION_RUNNING )
pa_threaded_mainloop_wait(p_sys->mainloop);
pa_operation_unref(o);
pa_threaded_mainloop_unlock(p_sys->mainloop);
}
uninit(p_aout);
}
void PulseAudioPlayer::Stop()
{
if (!is_playing) return;
//printf("Stopping PulseAudio\n");
is_playing = false;
start_frame = 0;
cur_frame = 0;
end_frame = 0;
// Flush the stream of data
//printf("Flushing stream\n");
pa_threaded_mainloop_lock(mainloop);
pa_operation *op = pa_stream_flush(stream, (pa_stream_success_cb_t)pa_stream_success, this);
pa_threaded_mainloop_unlock(mainloop);
stream_success.Wait();
pa_operation_unref(op);
if (!stream_success_val) {
paerror = pa_context_errno(context);
printf("PulseAudio player: Error flushing stream: %s (%d)\n", pa_strerror(paerror), paerror);
}
// And unref it
//printf("Stopped stream\n\n");
}
int pa_simple_flush(pa_simple *p, int *rerror) {
pa_operation *o = NULL;
pa_assert(p);
CHECK_VALIDITY_RETURN_ANY(rerror, p->direction == PA_STREAM_PLAYBACK, PA_ERR_BADSTATE, -1);
pa_threaded_mainloop_lock(p->mainloop);
CHECK_DEAD_GOTO(p, rerror, unlock_and_fail);
o = pa_stream_flush(p->stream, success_cb, p);
CHECK_SUCCESS_GOTO(p, rerror, o, unlock_and_fail);
p->operation_success = 0;
while (pa_operation_get_state(o) == PA_OPERATION_RUNNING) {
pa_threaded_mainloop_wait(p->mainloop);
CHECK_DEAD_GOTO(p, rerror, unlock_and_fail);
}
CHECK_SUCCESS_GOTO(p, rerror, p->operation_success, unlock_and_fail);
pa_operation_unref(o);
pa_threaded_mainloop_unlock(p->mainloop);
return 0;
unlock_and_fail:
if (o) {
pa_operation_cancel(o);
pa_operation_unref(o);
}
pa_threaded_mainloop_unlock(p->mainloop);
return -1;
}
static void
pulse_output_cancel(struct audio_output *ao)
{
struct pulse_output *po = (struct pulse_output *)ao;
pa_operation *o;
assert(po->mainloop != NULL);
assert(po->stream != NULL);
pa_threaded_mainloop_lock(po->mainloop);
if (pa_stream_get_state(po->stream) != PA_STREAM_READY) {
/* no need to flush when the stream isn't connected
yet */
pa_threaded_mainloop_unlock(po->mainloop);
return;
}
assert(po->context != NULL);
o = pa_stream_flush(po->stream, pulse_output_stream_success_cb, po);
if (o == NULL) {
g_warning("pa_stream_flush() has failed: %s",
pa_strerror(pa_context_errno(po->context)));
pa_threaded_mainloop_unlock(po->mainloop);
return;
}
pulse_wait_for_operation(po->mainloop, o);
pa_threaded_mainloop_unlock(po->mainloop);
}
static void pulse_flush(int time) {
pa_operation *o = NULL;
int success = 0;
CHECK_CONNECTED();
pa_threaded_mainloop_lock(mainloop);
CHECK_DEAD_GOTO(fail, 1);
written = time * (int64_t) bytes_per_second / 1000;
flush_time = time;
if (!(o = pa_stream_flush(stream, stream_success_cb, &success))) {
AUDDBG("pa_stream_flush() failed: %s", pa_strerror(pa_context_errno(context)));
goto fail;
}
while (pa_operation_get_state(o) != PA_OPERATION_DONE) {
CHECK_DEAD_GOTO(fail, 1);
pa_threaded_mainloop_wait(mainloop);
}
if (!success)
AUDDBG("pa_stream_flush() failed: %s", pa_strerror(pa_context_errno(context)));
fail:
if (o)
pa_operation_unref(o);
pa_threaded_mainloop_unlock(mainloop);
}
/** Reset the audio stream, i.e. flush the playback buffer on the server side */
static void reset(void) {
int success = 0;
pa_threaded_mainloop_lock(mainloop);
if (!waitop(pa_stream_flush(stream, success_cb, &success)) ||
!success)
GENERIC_ERR_MSG(context, "pa_stream_flush() failed");
}
static void tsmf_pulse_flush(ITSMFAudioDevice *audio)
{
TSMFPulseAudioDevice *pulse = (TSMFPulseAudioDevice *) audio;
pa_threaded_mainloop_lock(pulse->mainloop);
tsmf_pulse_wait_for_operation(pulse,
pa_stream_flush(pulse->stream, tsmf_pulse_stream_success_callback, pulse));
pa_threaded_mainloop_unlock(pulse->mainloop);
}
void CPulseAEStream::Flush()
{
if (!m_Initialized)
return;
pa_threaded_mainloop_lock(m_MainLoop);
pa_operation_unref(pa_stream_flush(m_Stream, NULL, NULL));
pa_threaded_mainloop_unlock(m_MainLoop);
}
void AudioOutputPulseAudio::FlushStream(const char *caller)
{
QString fn_log_tag = QString("FlushStream (%1), ").arg(caller);
pa_threaded_mainloop_lock(mainloop);
pa_operation *op = pa_stream_flush(pstream, NULL, this);
pa_threaded_mainloop_unlock(mainloop);
if (op)
pa_operation_unref(op);
else
VBERROR(fn_log_tag + "stream flush operation failed ");
}
static void
pulseaudio_audio_flush(audio_decoder_t *ad)
{
decoder_t *d = (decoder_t *)ad;
if(d->s == NULL)
return;
pa_threaded_mainloop_lock(mainloop);
pa_operation *o = pa_stream_flush(d->s, NULL, NULL);
if(o != NULL)
pa_operation_unref(o);
pa_threaded_mainloop_unlock(mainloop);
}
static void stream_overflow_cb(pa_stream *s, void *userdata)
{
audio_output_t *aout = userdata;
aout_sys_t *sys = aout->sys;
pa_operation *op;
msg_Err(aout, "overflow, flushing");
op = pa_stream_flush(s, NULL, NULL);
if (unlikely(op == NULL))
return;
pa_operation_unref(op);
sys->first_pts = VLC_TS_INVALID;
}
static void
gst_pulsesrc_reset (GstAudioSrc * asrc)
{
GstPulseSrc *pulsesrc = GST_PULSESRC_CAST (asrc);
pa_operation *o = NULL;
pa_threaded_mainloop_lock (pulsesrc->mainloop);
GST_DEBUG_OBJECT (pulsesrc, "reset");
if (gst_pulsesrc_is_dead (pulsesrc, TRUE))
goto unlock_and_fail;
if (!(o =
pa_stream_flush (pulsesrc->stream, gst_pulsesrc_success_cb,
pulsesrc))) {
GST_ELEMENT_ERROR (pulsesrc, RESOURCE, FAILED,
("pa_stream_flush() failed: %s",
pa_strerror (pa_context_errno (pulsesrc->context))), (NULL));
goto unlock_and_fail;
}
pulsesrc->paused = TRUE;
/* Inform anyone waiting in _write() call that it shall wakeup */
if (pulsesrc->in_read) {
pa_threaded_mainloop_signal (pulsesrc->mainloop, 0);
}
pulsesrc->operation_success = FALSE;
while (pa_operation_get_state (o) == PA_OPERATION_RUNNING) {
if (gst_pulsesrc_is_dead (pulsesrc, TRUE))
goto unlock_and_fail;
pa_threaded_mainloop_wait (pulsesrc->mainloop);
}
if (!pulsesrc->operation_success) {
GST_ELEMENT_ERROR (pulsesrc, RESOURCE, FAILED, ("Flush failed: %s",
pa_strerror (pa_context_errno (pulsesrc->context))), (NULL));
goto unlock_and_fail;
}
unlock_and_fail:
if (o) {
pa_operation_cancel (o);
pa_operation_unref (o);
}
pa_threaded_mainloop_unlock (pulsesrc->mainloop);
}
static int outstream_clear_buffer_pa(SoundIoPrivate *si,
SoundIoOutStreamPrivate *os)
{
SoundIoOutStreamPulseAudio *ospa = &os->backend_data.pulseaudio;
SoundIoPulseAudio *sipa = &si->backend_data.pulseaudio;
pa_stream *stream = ospa->stream;
pa_threaded_mainloop_lock(sipa->main_loop);
pa_operation *op = pa_stream_flush(stream, NULL, NULL);
if (!op) {
pa_threaded_mainloop_unlock(sipa->main_loop);
return SoundIoErrorStreaming;
}
pa_operation_unref(op);
pa_threaded_mainloop_unlock(sipa->main_loop);
return 0;
}
void PulseAudioPlayer::Play(int64_t start,int64_t count)
{
//printf("Starting PulseAudio playback\n");
if (!open) OpenStream();
if (is_playing) {
// If we're already playing, do a quick "reset"
is_playing = false;
pa_threaded_mainloop_lock(mainloop);
pa_operation *op = pa_stream_flush(stream, (pa_stream_success_cb_t)pa_stream_success, this);
pa_threaded_mainloop_unlock(mainloop);
stream_success.Wait();
pa_operation_unref(op);
if (!stream_success_val) {
paerror = pa_context_errno(context);
printf("PulseAudio player: Error flushing stream: %s (%d)\n", pa_strerror(paerror), paerror);
}
}
start_frame = start;
cur_frame = start;
end_frame = start + count;
//printf("start=%lu end=%lu\n", start_frame, end_frame);
is_playing = true;
play_start_time = 0;
pa_threaded_mainloop_lock(mainloop);
paerror = pa_stream_get_time(stream, (pa_usec_t*) &play_start_time);
pa_threaded_mainloop_unlock(mainloop);
if (paerror) {
printf("PulseAudio player: Error getting stream time: %s (%d)\n", pa_strerror(paerror), paerror);
}
PulseAudioPlayer::pa_stream_write(stream, pa_stream_writable_size(stream), this);
pa_threaded_mainloop_lock(mainloop);
pa_operation *op = pa_stream_trigger(stream, (pa_stream_success_cb_t)pa_stream_success, this);
pa_threaded_mainloop_unlock(mainloop);
stream_success.Wait();
pa_operation_unref(op);
if (!stream_success_val) {
paerror = pa_context_errno(context);
printf("PulseAudio player: Error triggering stream: %s (%d)\n", pa_strerror(paerror), paerror);
}
}
//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 cork_stream(struct userdata *u, bool cork) {
pa_operation *operation;
pa_assert(u);
pa_assert(u->stream);
if (cork) {
/* When the sink becomes suspended (which is the only case where we
* cork the stream), we don't want to keep any old data around, because
* the old data is most likely unrelated to the audio that will be
* played at the time when the sink starts running again. */
if ((operation = pa_stream_flush(u->stream, NULL, NULL)))
pa_operation_unref(operation);
}
if ((operation = pa_stream_cork(u->stream, cork, NULL, NULL)))
pa_operation_unref(operation);
}
gpointer tick(gpointer _) {
for(;;) {
g_mutex_lock(tickmutex);
g_cond_wait(tickcond,tickmutex);
printf("tick %u (%u in %u)\n",offset,tickinbeat(),beatno());
print_stack();
g_idle_add(update_view,0);
if(!jam) {
if(execute()==-1) {
pa_stream_cork(ps,1,corked,0);
pa_stream_flush(ps,0,0);
}
}
g_mutex_unlock(tickmutex);
}
return 0;
}
gboolean xmms_pulse_backend_flush (xmms_pulse *p, int *rerror)
{
pa_operation *o = NULL;
pa_threaded_mainloop_lock (p->mainloop);
if (!check_pulse_health (p, rerror))
goto unlock_and_fail;
o = pa_stream_flush (p->stream, drain_result_cb, p);
if (!o) {
if (rerror)
*rerror = pa_context_errno ((p)->context);
goto unlock_and_fail;
}
p->operation_success = 0;
while (pa_operation_get_state (o) != PA_OPERATION_DONE) {
pa_threaded_mainloop_wait (p->mainloop);
if (!check_pulse_health (p, rerror))
goto unlock_and_fail;
}
pa_operation_unref (o);
o = NULL;
if (!p->operation_success) {
if (rerror)
*rerror = pa_context_errno ((p)->context);
goto unlock_and_fail;
}
pa_threaded_mainloop_unlock (p->mainloop);
return 0;
unlock_and_fail:
if (o) {
pa_operation_cancel (o);
pa_operation_unref (o);
}
pa_threaded_mainloop_unlock (p->mainloop);
return -1;
}
/*****************************************************************************
* Play: play a sound samples buffer
*****************************************************************************/
static void Play( aout_instance_t * p_aout )
{
struct aout_sys_t * p_sys = (struct aout_sys_t *) p_aout->output.p_sys;
pa_operation *o;
if(!p_sys->started){
msg_Dbg(p_aout, "Pulse stream started");
p_sys->start_date =
aout_FifoFirstDate( p_aout, &p_aout->output.fifo );
p_sys->started = 1;
pa_threaded_mainloop_lock(p_sys->mainloop);
if((o = pa_stream_flush(p_sys->stream, success_cb, p_aout))){
pa_operation_unref(o);
}
pa_threaded_mainloop_unlock(p_sys->mainloop);
pa_threaded_mainloop_signal(p_sys->mainloop, 0);
}
}
static int
pa_audio_start(audio_mode_t *am, audio_fifo_t *af)
{
pa_audio_mode_t *pam = (pa_audio_mode_t *)am;
audio_buf_t *ab = NULL;
size_t l, length;
int64_t pts;
media_pipe_t *mp;
int r = 0;
pa_threaded_mainloop_lock(mainloop);
#if PA_API_VERSION >= 12
pa_proplist *pl = pa_proplist_new();
pa_proplist_sets(pl, PA_PROP_APPLICATION_ID, "com.lonelycoder.hts.showtime");
pa_proplist_sets(pl, PA_PROP_APPLICATION_NAME, "Showtime");
/* Create a new connection context */
pam->context = pa_context_new_with_proplist(api, "Showtime", pl);
pa_proplist_free(pl);
#else
pam->context = pa_context_new(api, "Showtime");
#endif
if(pam->context == NULL) {
pa_threaded_mainloop_unlock(mainloop);
return -1;
}
pa_context_set_state_callback(pam->context, context_state_callback, pam);
/* Connect the context */
if(pa_context_connect(pam->context, NULL, 0, NULL) < 0) {
TRACE(TRACE_ERROR, "PA", "pa_context_connect() failed: %s",
pa_strerror(pa_context_errno(pam->context)));
pa_threaded_mainloop_unlock(mainloop);
return -1;
}
/* Need at least one packet of audio */
/* Subscribe to updates of master volume */
pam->sub_mvol =
prop_subscribe(PROP_SUB_DIRECT_UPDATE,
PROP_TAG_CALLBACK_FLOAT, set_mastervol, pam,
PROP_TAG_ROOT, prop_mastervol,
PROP_TAG_EXTERNAL_LOCK, mainloop, prop_pa_lockmgr,
NULL);
/* Subscribe to updates of master volume mute */
pam->sub_mute =
prop_subscribe(PROP_SUB_DIRECT_UPDATE,
PROP_TAG_CALLBACK_INT, set_mastermute, pam,
PROP_TAG_ROOT, prop_mastermute,
PROP_TAG_EXTERNAL_LOCK, mainloop, prop_pa_lockmgr,
NULL);
while(1) {
if(ab == NULL) {
pa_threaded_mainloop_unlock(mainloop);
ab = af_deq2(af, 1, am);
pa_threaded_mainloop_lock(mainloop);
if(ab == AF_EXIT) {
ab = NULL;
break;
}
}
if(pa_context_get_state(pam->context) == PA_CONTEXT_TERMINATED ||
pa_context_get_state(pam->context) == PA_CONTEXT_FAILED) {
r = -1;
break;
}
if(pam->stream != NULL &&
(pam->cur_format != ab->ab_format ||
pam->cur_rate != ab->ab_samplerate ||
pam->cur_isfloat != ab->ab_isfloat)) {
stream_destroy(pam);
}
if(pam->stream == NULL &&
pa_context_get_state(pam->context) == PA_CONTEXT_READY) {
/* Context is ready, but we don't have a stream yet, set it up */
stream_setup(pam, ab);
}
if(pam->stream == NULL) {
pa_threaded_mainloop_wait(mainloop);
continue;
}
switch(pa_stream_get_state(pam->stream)) {
case PA_STREAM_UNCONNECTED:
case PA_STREAM_CREATING:
pa_threaded_mainloop_wait(mainloop);
continue;
case PA_STREAM_READY:
break;
case PA_STREAM_TERMINATED:
case PA_STREAM_FAILED:
pa_stream_unref(pam->stream);
pam->stream = NULL;
char msg[100];
snprintf(msg, sizeof(msg),
"Audio stream disconnected from "
"PulseAudio server -- %s.",
pa_strerror(pam->stream_error));
mp_flush(ab->ab_mp, 0);
mp_enqueue_event(ab->ab_mp, event_create_str(EVENT_INTERNAL_PAUSE, msg));
audio_fifo_purge(af, NULL, NULL);
if(ab != NULL) {
ab_free(ab);
ab = NULL;
}
continue;
}
if(ab->ab_flush) {
pa_operation *o;
o = pa_stream_flush(pam->stream, NULL, NULL);
if(o != NULL)
pa_operation_unref(o);
ab->ab_flush = 0;
}
l = pa_stream_writable_size(pam->stream);
if(l == 0) {
pa_threaded_mainloop_wait(mainloop);
continue;
}
length = ab->ab_frames * pa_frame_size(&pam->ss) - ab->ab_tmp;
if(l > length)
l = length;
if((pts = ab->ab_pts) != AV_NOPTS_VALUE && ab->ab_mp != NULL) {
int64_t pts;
pa_usec_t delay;
pts = ab->ab_pts;
ab->ab_pts = AV_NOPTS_VALUE;
if(!pa_stream_get_latency(pam->stream, &delay, NULL)) {
mp = ab->ab_mp;
hts_mutex_lock(&mp->mp_clock_mutex);
mp->mp_audio_clock = pts - delay;
mp->mp_audio_clock_realtime = showtime_get_ts();
mp->mp_audio_clock_epoch = ab->ab_epoch;
hts_mutex_unlock(&mp->mp_clock_mutex);
}
}
pa_stream_write(pam->stream, ab->ab_data + ab->ab_tmp,
l, NULL, 0LL, PA_SEEK_RELATIVE);
ab->ab_tmp += l;
assert(ab->ab_tmp <= ab->ab_frames * pa_frame_size(&pam->ss));
if(ab->ab_frames * pa_frame_size(&pam->ss) == ab->ab_tmp) {
ab_free(ab);
ab = NULL;
}
}
prop_unsubscribe(pam->sub_mvol);
prop_unsubscribe(pam->sub_mute);
if(pam->stream != NULL)
stream_destroy(pam);
pa_threaded_mainloop_unlock(mainloop);
pa_context_unref(pam->context);
if(ab != NULL) {
ab_free(ab);
ab = NULL;
}
return r;
}
static int init(struct ao *ao, char *params)
{
struct pa_sample_spec ss;
struct pa_channel_map map;
char *devarg = NULL;
char *host = NULL;
char *sink = NULL;
const char *version = pa_get_library_version();
struct priv *priv = talloc_zero(ao, struct priv);
ao->priv = priv;
if (params) {
devarg = strdup(params);
sink = strchr(devarg, ':');
if (sink)
*sink++ = 0;
if (devarg[0])
host = devarg;
}
priv->broken_pause = false;
/* not sure which versions are affected, assume 0.9.11* to 0.9.14*
* known bad: 0.9.14, 0.9.13
* known good: 0.9.9, 0.9.10, 0.9.15
* To test: pause, wait ca. 5 seconds, framestep and see if MPlayer
* hangs somewhen. */
if (strncmp(version, "0.9.1", 5) == 0 && version[5] >= '1'
&& version[5] <= '4') {
mp_msg(MSGT_AO, MSGL_WARN,
"[pulse] working around probably broken pause functionality,\n"
" see http://www.pulseaudio.org/ticket/440\n");
priv->broken_pause = true;
}
ss.channels = ao->channels;
ss.rate = ao->samplerate;
const struct format_map *fmt_map = format_maps;
while (fmt_map->mp_format != ao->format) {
if (fmt_map->mp_format == AF_FORMAT_UNKNOWN) {
mp_msg(MSGT_AO, MSGL_V,
"AO: [pulse] Unsupported format, using default\n");
fmt_map = format_maps;
break;
}
fmt_map++;
}
ao->format = fmt_map->mp_format;
ss.format = fmt_map->pa_format;
if (!pa_sample_spec_valid(&ss)) {
mp_msg(MSGT_AO, MSGL_ERR, "AO: [pulse] Invalid sample spec\n");
goto fail;
}
pa_channel_map_init_auto(&map, ss.channels, PA_CHANNEL_MAP_ALSA);
ao->bps = pa_bytes_per_second(&ss);
if (!(priv->mainloop = pa_threaded_mainloop_new())) {
mp_msg(MSGT_AO, MSGL_ERR, "AO: [pulse] Failed to allocate main loop\n");
goto fail;
}
if (!(priv->context = pa_context_new(pa_threaded_mainloop_get_api(
priv->mainloop), PULSE_CLIENT_NAME))) {
mp_msg(MSGT_AO, MSGL_ERR, "AO: [pulse] Failed to allocate context\n");
goto fail;
}
pa_context_set_state_callback(priv->context, context_state_cb, ao);
if (pa_context_connect(priv->context, host, 0, NULL) < 0)
goto fail;
pa_threaded_mainloop_lock(priv->mainloop);
if (pa_threaded_mainloop_start(priv->mainloop) < 0)
goto unlock_and_fail;
/* Wait until the context is ready */
pa_threaded_mainloop_wait(priv->mainloop);
if (pa_context_get_state(priv->context) != PA_CONTEXT_READY)
goto unlock_and_fail;
if (!(priv->stream = pa_stream_new(priv->context, "audio stream", &ss,
&map)))
goto unlock_and_fail;
pa_stream_set_state_callback(priv->stream, stream_state_cb, ao);
pa_stream_set_write_callback(priv->stream, stream_request_cb, ao);
pa_stream_set_latency_update_callback(priv->stream,
stream_latency_update_cb, ao);
pa_buffer_attr bufattr = {
.maxlength = -1,
.tlength = pa_usec_to_bytes(1000000, &ss),
.prebuf = -1,
.minreq = -1,
.fragsize = -1,
};
if (pa_stream_connect_playback(priv->stream, sink, &bufattr,
PA_STREAM_INTERPOLATE_TIMING
| PA_STREAM_AUTO_TIMING_UPDATE, NULL,
NULL) < 0)
goto unlock_and_fail;
/* Wait until the stream is ready */
pa_threaded_mainloop_wait(priv->mainloop);
if (pa_stream_get_state(priv->stream) != PA_STREAM_READY)
goto unlock_and_fail;
pa_threaded_mainloop_unlock(priv->mainloop);
free(devarg);
return 0;
unlock_and_fail:
if (priv->mainloop)
pa_threaded_mainloop_unlock(priv->mainloop);
fail:
if (priv->context)
GENERIC_ERR_MSG(priv->context, "Init failed");
free(devarg);
uninit(ao, true);
return -1;
}
static void cork(struct ao *ao, bool pause)
{
struct priv *priv = ao->priv;
pa_threaded_mainloop_lock(priv->mainloop);
priv->retval = 0;
if (!waitop(priv, pa_stream_cork(priv->stream, pause, success_cb, ao)) ||
!priv->retval)
GENERIC_ERR_MSG(priv->context, "pa_stream_cork() failed");
}
// Play the specified data to the pulseaudio server
static int play(struct ao *ao, void *data, int len, int flags)
{
struct priv *priv = ao->priv;
/* For some reason Pulseaudio behaves worse if this is done after
* the write - rapidly repeated seeks result in bogus increasing
* reported latency. */
if (priv->did_reset)
cork(ao, false);
pa_threaded_mainloop_lock(priv->mainloop);
if (pa_stream_write(priv->stream, data, len, NULL, 0,
PA_SEEK_RELATIVE) < 0) {
GENERIC_ERR_MSG(priv->context, "pa_stream_write() failed");
len = -1;
}
if (priv->did_reset) {
priv->did_reset = false;
if (!waitop(priv, pa_stream_update_timing_info(priv->stream,
success_cb, ao))
|| !priv->retval)
GENERIC_ERR_MSG(priv->context, "pa_stream_UPP() failed");
} else
pa_threaded_mainloop_unlock(priv->mainloop);
return len;
}
// Reset the audio stream, i.e. flush the playback buffer on the server side
static void reset(struct ao *ao)
{
// pa_stream_flush() works badly if not corked
cork(ao, true);
struct priv *priv = ao->priv;
pa_threaded_mainloop_lock(priv->mainloop);
priv->retval = 0;
if (!waitop(priv, pa_stream_flush(priv->stream, success_cb, ao)) ||
!priv->retval)
GENERIC_ERR_MSG(priv->context, "pa_stream_flush() failed");
priv->did_reset = true;
}
void PulseOutput::drop() {
if (stream) {
pa_operation* operation = pa_stream_flush(stream,nullptr,0);
pa_operation_unref(operation);
}
}
/** Reset the audio stream, i.e. flush the playback buffer on the server side */
static void reset(void) {
assert(stream && context && pa_stream_get_state(stream) == PA_STREAM_READY);
wait_for_operation(pa_stream_flush(stream, NULL, NULL));
}
static int init(struct ao *ao)
{
pa_proplist *proplist = NULL;
pa_format_info *format = NULL;
struct priv *priv = ao->priv;
char *sink = priv->cfg_sink && priv->cfg_sink[0] ? priv->cfg_sink : ao->device;
if (pa_init_boilerplate(ao) < 0)
return -1;
pa_threaded_mainloop_lock(priv->mainloop);
if (!(proplist = pa_proplist_new())) {
MP_ERR(ao, "Failed to allocate proplist\n");
goto unlock_and_fail;
}
(void)pa_proplist_sets(proplist, PA_PROP_MEDIA_ICON_NAME, ao->client_name);
if (!(format = pa_format_info_new()))
goto unlock_and_fail;
if (!set_format(ao, format)) {
ao->channels = (struct mp_chmap) MP_CHMAP_INIT_STEREO;
ao->samplerate = 48000;
ao->format = AF_FORMAT_FLOAT;
if (!set_format(ao, format)) {
MP_ERR(ao, "Invalid audio format\n");
goto unlock_and_fail;
}
}
if (!(priv->stream = pa_stream_new_extended(priv->context, "audio stream",
&format, 1, proplist)))
goto unlock_and_fail;
pa_format_info_free(format);
format = NULL;
pa_proplist_free(proplist);
proplist = NULL;
pa_stream_set_state_callback(priv->stream, stream_state_cb, ao);
pa_stream_set_write_callback(priv->stream, stream_request_cb, ao);
pa_stream_set_latency_update_callback(priv->stream,
stream_latency_update_cb, ao);
int buf_size = af_fmt_seconds_to_bytes(ao->format, priv->cfg_buffer / 1000.0,
ao->channels.num, ao->samplerate);
pa_buffer_attr bufattr = {
.maxlength = -1,
.tlength = buf_size > 0 ? buf_size : (uint32_t)-1,
.prebuf = -1,
.minreq = -1,
.fragsize = -1,
};
int flags = PA_STREAM_NOT_MONOTONIC;
if (!priv->cfg_latency_hacks)
flags |= PA_STREAM_INTERPOLATE_TIMING|PA_STREAM_AUTO_TIMING_UPDATE;
if (pa_stream_connect_playback(priv->stream, sink, &bufattr,
flags, NULL, NULL) < 0)
goto unlock_and_fail;
/* Wait until the stream is ready */
while (1) {
int state = pa_stream_get_state(priv->stream);
if (state == PA_STREAM_READY)
break;
if (!PA_STREAM_IS_GOOD(state))
goto unlock_and_fail;
pa_threaded_mainloop_wait(priv->mainloop);
}
if (pa_stream_is_suspended(priv->stream)) {
MP_ERR(ao, "The stream is suspended. Bailing out.\n");
goto unlock_and_fail;
}
pa_threaded_mainloop_unlock(priv->mainloop);
return 0;
unlock_and_fail:
pa_threaded_mainloop_unlock(priv->mainloop);
if (format)
pa_format_info_free(format);
if (proplist)
pa_proplist_free(proplist);
uninit(ao);
return -1;
}
static void cork(struct ao *ao, bool pause)
{
struct priv *priv = ao->priv;
pa_threaded_mainloop_lock(priv->mainloop);
priv->retval = 0;
if (!waitop(priv, pa_stream_cork(priv->stream, pause, success_cb, ao)) ||
!priv->retval)
GENERIC_ERR_MSG("pa_stream_cork() failed");
}
// Play the specified data to the pulseaudio server
static int play(struct ao *ao, void **data, int samples, int flags)
{
struct priv *priv = ao->priv;
pa_threaded_mainloop_lock(priv->mainloop);
if (pa_stream_write(priv->stream, data[0], samples * ao->sstride, NULL, 0,
PA_SEEK_RELATIVE) < 0) {
GENERIC_ERR_MSG("pa_stream_write() failed");
samples = -1;
}
if (flags & AOPLAY_FINAL_CHUNK) {
// Force start in case the stream was too short for prebuf
pa_operation *op = pa_stream_trigger(priv->stream, NULL, NULL);
pa_operation_unref(op);
}
pa_threaded_mainloop_unlock(priv->mainloop);
return samples;
}
// Reset the audio stream, i.e. flush the playback buffer on the server side
static void reset(struct ao *ao)
{
// pa_stream_flush() works badly if not corked
cork(ao, true);
struct priv *priv = ao->priv;
pa_threaded_mainloop_lock(priv->mainloop);
priv->retval = 0;
if (!waitop(priv, pa_stream_flush(priv->stream, success_cb, ao)) ||
!priv->retval)
GENERIC_ERR_MSG("pa_stream_flush() failed");
cork(ao, false);
}
static int init(struct ao *ao)
{
struct pa_sample_spec ss;
struct pa_channel_map map;
pa_proplist *proplist = NULL;
struct priv *priv = ao->priv;
char *host = priv->cfg_host && priv->cfg_host[0] ? priv->cfg_host : NULL;
char *sink = priv->cfg_sink && priv->cfg_sink[0] ? priv->cfg_sink : NULL;
const char *version = pa_get_library_version();
ao->per_application_mixer = true;
priv->broken_pause = false;
/* not sure which versions are affected, assume 0.9.11* to 0.9.14*
* known bad: 0.9.14, 0.9.13
* known good: 0.9.9, 0.9.10, 0.9.15
* To test: pause, wait ca. 5 seconds, framestep and see if MPlayer
* hangs somewhen. */
if (strncmp(version, "0.9.1", 5) == 0 && version[5] >= '1'
&& version[5] <= '4') {
MP_WARN(ao, "working around probably broken pause functionality,\n"
" see http://www.pulseaudio.org/ticket/440\n");
priv->broken_pause = true;
}
if (!(priv->mainloop = pa_threaded_mainloop_new())) {
MP_ERR(ao, "Failed to allocate main loop\n");
goto fail;
}
if (!(priv->context = pa_context_new(pa_threaded_mainloop_get_api(
priv->mainloop), PULSE_CLIENT_NAME))) {
MP_ERR(ao, "Failed to allocate context\n");
goto fail;
}
pa_context_set_state_callback(priv->context, context_state_cb, ao);
if (pa_context_connect(priv->context, host, 0, NULL) < 0)
goto fail;
pa_threaded_mainloop_lock(priv->mainloop);
if (pa_threaded_mainloop_start(priv->mainloop) < 0)
goto unlock_and_fail;
/* Wait until the context is ready */
pa_threaded_mainloop_wait(priv->mainloop);
if (pa_context_get_state(priv->context) != PA_CONTEXT_READY)
goto unlock_and_fail;
ss.channels = ao->channels.num;
ss.rate = ao->samplerate;
ao->format = af_fmt_from_planar(ao->format);
const struct format_map *fmt_map = format_maps;
while (fmt_map->mp_format != ao->format) {
if (fmt_map->mp_format == AF_FORMAT_UNKNOWN) {
MP_VERBOSE(ao, "Unsupported format, using default\n");
fmt_map = format_maps;
break;
}
fmt_map++;
}
ao->format = fmt_map->mp_format;
ss.format = fmt_map->pa_format;
if (!pa_sample_spec_valid(&ss)) {
MP_ERR(ao, "Invalid sample spec\n");
goto unlock_and_fail;
}
if (!select_chmap(ao, &map))
goto unlock_and_fail;
if (!(proplist = pa_proplist_new())) {
MP_ERR(ao, "Failed to allocate proplist\n");
goto unlock_and_fail;
}
(void)pa_proplist_sets(proplist, PA_PROP_MEDIA_ROLE, "video");
if (!(priv->stream = pa_stream_new_with_proplist(priv->context,
"audio stream", &ss,
&map, proplist)))
goto unlock_and_fail;
pa_proplist_free(proplist);
proplist = NULL;
pa_stream_set_state_callback(priv->stream, stream_state_cb, ao);
pa_stream_set_write_callback(priv->stream, stream_request_cb, ao);
pa_stream_set_latency_update_callback(priv->stream,
stream_latency_update_cb, ao);
pa_buffer_attr bufattr = {
.maxlength = -1,
.tlength = pa_usec_to_bytes(1000000, &ss),
.prebuf = -1,
.minreq = -1,
.fragsize = -1,
};
if (pa_stream_connect_playback(priv->stream, sink, &bufattr,
PA_STREAM_NOT_MONOTONIC, NULL, NULL) < 0)
goto unlock_and_fail;
/* Wait until the stream is ready */
pa_threaded_mainloop_wait(priv->mainloop);
if (pa_stream_get_state(priv->stream) != PA_STREAM_READY)
goto unlock_and_fail;
pa_threaded_mainloop_unlock(priv->mainloop);
return 0;
unlock_and_fail:
if (priv->mainloop)
pa_threaded_mainloop_unlock(priv->mainloop);
fail:
if (priv->context) {
if (!(pa_context_errno(priv->context) == PA_ERR_CONNECTIONREFUSED
&& ao->probing))
GENERIC_ERR_MSG("Init failed");
}
if (proplist)
pa_proplist_free(proplist);
uninit(ao, true);
return -1;
}
static void cork(struct ao *ao, bool pause)
{
struct priv *priv = ao->priv;
pa_threaded_mainloop_lock(priv->mainloop);
priv->retval = 0;
if (!waitop(priv, pa_stream_cork(priv->stream, pause, success_cb, ao)) ||
!priv->retval)
GENERIC_ERR_MSG("pa_stream_cork() failed");
}
// Play the specified data to the pulseaudio server
static int play(struct ao *ao, void **data, int samples, int flags)
{
struct priv *priv = ao->priv;
pa_threaded_mainloop_lock(priv->mainloop);
if (pa_stream_write(priv->stream, data[0], samples * ao->sstride, NULL, 0,
PA_SEEK_RELATIVE) < 0) {
GENERIC_ERR_MSG("pa_stream_write() failed");
samples = -1;
}
if (flags & AOPLAY_FINAL_CHUNK) {
// Force start in case the stream was too short for prebuf
pa_operation *op = pa_stream_trigger(priv->stream, NULL, NULL);
pa_operation_unref(op);
}
pa_threaded_mainloop_unlock(priv->mainloop);
return samples;
}
// Reset the audio stream, i.e. flush the playback buffer on the server side
static void reset(struct ao *ao)
{
// pa_stream_flush() works badly if not corked
cork(ao, true);
struct priv *priv = ao->priv;
pa_threaded_mainloop_lock(priv->mainloop);
priv->retval = 0;
if (!waitop(priv, pa_stream_flush(priv->stream, success_cb, ao)) ||
!priv->retval)
GENERIC_ERR_MSG("pa_stream_flush() failed");
cork(ao, false);
}
