static void rdpsnd_pulse_start(rdpsndDevicePlugin* device)
{
rdpsndPulsePlugin* pulse = (rdpsndPulsePlugin*)device;
if (!pulse->stream)
return;
pa_stream_trigger(pulse->stream, NULL, NULL);
}
static int pulse_free(void) {
ENTER(__FUNCTION__);
size_t l = 0;
pa_operation *o = NULL;
CHECK_CONNECTED(0);
SHOW("pulse_free: %s (call)\n", "pa_threaded_main_loop_lock");
pa_threaded_mainloop_lock(mainloop);
CHECK_DEAD_GOTO(fail, 1);
if ((l = pa_stream_writable_size(stream)) == (size_t) -1) {
SHOW("pa_stream_writable_size() failed: %s", pa_strerror(pa_context_errno(context)));
l = 0;
goto fail;
}
SHOW("pulse_free: %s (ret=%d)\n", "pa_stream_writable_size", l);
/* If this function is called twice with no pulse_write() call in
* between this means we should trigger the playback */
if (do_trigger) {
int success = 0;
SHOW("pulse_free: %s (call)\n", "pa_stream_trigger");
if (!(o = pa_stream_trigger(stream, stream_success_cb, &success))) {
SHOW("pa_stream_trigger() failed: %s", pa_strerror(pa_context_errno(context)));
goto fail;
}
SHOW("pulse_free: %s (call)\n", "pa_threaded_main_loop");
while (pa_operation_get_state(o) != PA_OPERATION_DONE) {
CHECK_DEAD_GOTO(fail, 1);
pa_threaded_mainloop_wait(mainloop);
}
SHOW("pulse_free: %s (ret)\n", "pa_threaded_main_loop");
if (!success)
SHOW("pa_stream_trigger() failed: %s", pa_strerror(pa_context_errno(context)));
}
fail:
SHOW("pulse_free: %s (call)\n", "pa_operation_unref");
if (o)
pa_operation_unref(o);
SHOW("pulse_free: %s (call)\n", "pa_threaded_main_loop_unlock");
pa_threaded_mainloop_unlock(mainloop);
do_trigger = !!l;
SHOW("pulse_free: %d (ret)\n", (int)l);
return (int) l;
}
/*** Latency management and lip synchronization ***/
static void stream_start_now(pa_stream *s, audio_output_t *aout)
{
pa_operation *op;
assert (aout->sys->trigger == NULL);
op = pa_stream_cork(s, 0, NULL, NULL);
if (op != NULL)
pa_operation_unref(op);
op = pa_stream_trigger(s, NULL, NULL);
if (likely(op != NULL))
pa_operation_unref(op);
}
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);
}
}
/** 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 int pulse_free(void) {
size_t l = 0;
pa_operation *o = NULL;
CHECK_CONNECTED(0);
pa_threaded_mainloop_lock(mainloop);
CHECK_DEAD_GOTO(fail, 1);
if ((l = pa_stream_writable_size(stream)) == (size_t) -1) {
AUDDBG("pa_stream_writable_size() failed: %s", pa_strerror(pa_context_errno(context)));
l = 0;
goto fail;
}
/* If this function is called twice with no pulse_write() call in
* between this means we should trigger the playback */
if (do_trigger) {
int success = 0;
if (!(o = pa_stream_trigger(stream, stream_success_cb, &success))) {
AUDDBG("pa_stream_trigger() 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_trigger() failed: %s", pa_strerror(pa_context_errno(context)));
}
fail:
if (o)
pa_operation_unref(o);
pa_threaded_mainloop_unlock(mainloop);
do_trigger = !!l;
return (int) l;
}
// This callback gets called when our context changes state. We really only
// care about when it's ready or if it has failed
void state_cb(pa_context *c, void *userdata) {
pa_context_state_t state;
int *pa_ready = userdata;
printf("State changed\n");
state = pa_context_get_state(c);
switch (state) {
// There are just here for reference
case PA_CONTEXT_UNCONNECTED:
case PA_CONTEXT_CONNECTING:
case PA_CONTEXT_AUTHORIZING:
case PA_CONTEXT_SETTING_NAME:
default:
break;
case PA_CONTEXT_FAILED:
case PA_CONTEXT_TERMINATED:
*pa_ready = 2;
break;
case PA_CONTEXT_READY: {
pa_buffer_attr buffer_attr;
if (verbose)
printf("Connection established.%s\n", CLEAR_LINE);
if (!(stream = pa_stream_new(c, "JanPlayback", &sample_spec, NULL))) {
printf("pa_stream_new() failed: %s", pa_strerror(pa_context_errno(c)));
exit(1); // goto fail;
}
pa_stream_set_state_callback(stream, stream_state_callback, NULL);
pa_stream_set_write_callback(stream, stream_write_callback, NULL);
//pa_stream_set_read_callback(stream, stream_read_callback, NULL);
pa_stream_set_suspended_callback(stream, stream_suspended_callback, NULL);
pa_stream_set_moved_callback(stream, stream_moved_callback, NULL);
pa_stream_set_underflow_callback(stream, stream_underflow_callback, NULL);
pa_stream_set_overflow_callback(stream, stream_overflow_callback, NULL);
pa_stream_set_started_callback(stream, stream_started_callback, NULL);
pa_stream_set_event_callback(stream, stream_event_callback, NULL);
pa_stream_set_buffer_attr_callback(stream, stream_buffer_attr_callback, NULL);
pa_zero(buffer_attr);
buffer_attr.maxlength = (uint32_t) -1;
buffer_attr.prebuf = (uint32_t) -1;
pa_cvolume cv;
if (pa_stream_connect_playback(stream, NULL, &buffer_attr, flags,
NULL,
NULL) < 0) {
printf("pa_stream_connect_playback() failed: %s", pa_strerror(pa_context_errno(c)));
exit(1); //goto fail;
} else {
printf("Set playback callback\n");
}
pa_stream_trigger(stream, stream_success, NULL);
}
break;
}
}
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;
ao->per_application_mixer = true;
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_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);
free(devarg);
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(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;
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 (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 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");
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);
}
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);
}
