int
sa_stream_open(sa_stream_t *s) {
if (s == NULL) {
return SA_ERROR_NO_INIT;
}
if (s->stream != NULL) {
return SA_ERROR_INVALID;
}
pa_threaded_mainloop_lock(s->m);
if (!(s->stream = pa_stream_new(s->context, s->client_name, &s->sample_spec, NULL))) {
fprintf(stderr, "pa_stream_new() failed: %s\n", pa_strerror(pa_context_errno(s->context)));
goto unlock_and_fail;
}
pa_stream_set_state_callback(s->stream, stream_state_callback, s);
pa_stream_set_write_callback(s->stream, stream_write_callback, s);
pa_stream_set_latency_update_callback(s->stream, stream_latency_update_callback, s);
if (pa_stream_connect_playback(s->stream, NULL, NULL, 0, NULL, NULL) < 0) {
fprintf(stderr, "pa_stream_connect_playback() failed: %s\n", pa_strerror(pa_context_errno(s->context)));
goto unlock_and_fail;
}
/* Wait until the stream is ready */
pa_threaded_mainloop_wait(s->m);
if (pa_stream_get_state(s->stream) != PA_STREAM_READY) {
fprintf(stderr, "Failed to connect stream: %s", pa_strerror(pa_context_errno(s->context)));
goto unlock_and_fail;
}
pa_threaded_mainloop_unlock(s->m);
if (!s->stream)
return SA_ERROR_NO_DEVICE;
return SA_SUCCESS;
unlock_and_fail:
pa_threaded_mainloop_unlock(s->m);
return SA_ERROR_NO_DEVICE;
}
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;
}
gboolean xmms_pulse_backend_set_stream (xmms_pulse *p, const char *stream_name,
const char *sink,
xmms_sample_format_t format,
int samplerate, int channels,
int *rerror)
{
pa_sample_format_t pa_format = PA_SAMPLE_INVALID;
int error = PA_ERR_INTERNAL;
int ret;
int i;
assert (p);
/* Convert the XMMS2 sample format to the pulse format. */
for (i = 0; i < G_N_ELEMENTS (xmms_pulse_formats); i++) {
if (xmms_pulse_formats[i].xmms_fmt == format) {
pa_format = xmms_pulse_formats[i].pulse_fmt;
break;
}
}
g_return_val_if_fail (pa_format != PA_SAMPLE_INVALID, FALSE);
/* If there is an existing stream, check to see if it can do the
* job. */
if (p->stream && p->sample_spec.format == pa_format &&
p->sample_spec.rate == samplerate &&
p->sample_spec.channels == channels)
return TRUE;
/* The existing stream needs to be shut down. */
if (p->stream)
xmms_pulse_backend_close_stream (p);
pa_threaded_mainloop_lock (p->mainloop);
/* Configure the new stream. */
p->sample_spec.format = pa_format;
p->sample_spec.rate = samplerate;
p->sample_spec.channels = channels;
xmms_pulse_backend_default_channel_map (&p->channel_map, channels);
/* Create and set up the new stream. */
p->stream = pa_stream_new (p->context, stream_name, &p->sample_spec, &p->channel_map);
if (!p->stream) {
error = pa_context_errno (p->context);
goto unlock_and_fail;
}
pa_stream_set_state_callback (p->stream, stream_state_cb, p);
pa_stream_set_write_callback (p->stream, stream_request_cb, p);
pa_stream_set_latency_update_callback (p->stream, stream_latency_update_cb, p);
ret = pa_stream_connect_playback (p->stream, sink, NULL,
PA_STREAM_INTERPOLATE_TIMING | PA_STREAM_AUTO_TIMING_UPDATE,
NULL, NULL);
if (ret < 0) {
error = pa_context_errno (p->context);
goto unlock_and_fail;
}
/* Wait until the stream is ready */
while (pa_stream_get_state (p->stream) == PA_STREAM_CREATING) {
pa_threaded_mainloop_wait (p->mainloop);
}
if (pa_stream_get_state (p->stream) != PA_STREAM_READY) {
error = pa_context_errno (p->context);
goto unlock_and_fail;
}
pa_threaded_mainloop_unlock (p->mainloop);
return TRUE;
unlock_and_fail:
pa_threaded_mainloop_unlock (p->mainloop);
if (rerror)
*rerror = error;
if (p->stream)
pa_stream_unref (p->stream);
p->stream = NULL;
return FALSE;
}
void SetupSound (void)
{
int error_number;
// Acquire mainloop ///////////////////////////////////////////////////////
device.mainloop = pa_threaded_mainloop_new ();
if (device.mainloop == NULL)
{
fprintf (stderr, "Could not acquire PulseAudio main loop\n");
return;
}
// Acquire context ////////////////////////////////////////////////////////
device.api = pa_threaded_mainloop_get_api (device.mainloop);
device.context = pa_context_new (device.api, "PCSXR");
pa_context_set_state_callback (device.context, context_state_cb, &device);
if (device.context == NULL)
{
fprintf (stderr, "Could not acquire PulseAudio device context\n");
return;
}
// Connect to PulseAudio server ///////////////////////////////////////////
if (pa_context_connect (device.context, NULL, 0, NULL) < 0)
{
error_number = pa_context_errno (device.context);
fprintf (stderr, "Could not connect to PulseAudio server: %s\n", pa_strerror(error_number));
return;
}
// Run mainloop until sever context is ready //////////////////////////////
pa_threaded_mainloop_lock (device.mainloop);
if (pa_threaded_mainloop_start (device.mainloop) < 0)
{
fprintf (stderr, "Could not start mainloop\n");
return;
}
pa_context_state_t context_state;
context_state = pa_context_get_state (device.context);
while (context_state != PA_CONTEXT_READY)
{
context_state = pa_context_get_state (device.context);
if (! PA_CONTEXT_IS_GOOD (context_state))
{
error_number = pa_context_errno (device.context);
fprintf (stderr, "Context state is not good: %s\n", pa_strerror (error_number));
return;
}
else if (context_state == PA_CONTEXT_READY)
break;
else
fprintf (stderr, "PulseAudio context state is %d\n", context_state);
pa_threaded_mainloop_wait (device.mainloop);
}
// Set sample spec ////////////////////////////////////////////////////////
device.spec.format = PA_SAMPLE_S16NE;
if (iDisStereo)
device.spec.channels = 1;
else
device.spec.channels = 2;
device.spec.rate = settings.frequency;
pa_buffer_attr buffer_attributes;
buffer_attributes.tlength = pa_bytes_per_second (& device.spec) / 5;
buffer_attributes.maxlength = buffer_attributes.tlength * 3;
buffer_attributes.minreq = buffer_attributes.tlength / 3;
buffer_attributes.prebuf = buffer_attributes.tlength;
//maxlength = buffer_attributes.maxlength;
//fprintf (stderr, "Total space: %u\n", buffer_attributes.maxlength);
//fprintf (stderr, "Minimum request size: %u\n", buffer_attributes.minreq);
//fprintf (stderr, "Bytes needed before playback: %u\n", buffer_attributes.prebuf);
//fprintf (stderr, "Target buffer size: %lu\n", buffer_attributes.tlength);
// Acquire new stream using spec //////////////////////////////////////////
device.stream = pa_stream_new (device.context, "PCSXR", &device.spec, NULL);
if (device.stream == NULL)
{
error_number = pa_context_errno (device.context);
fprintf (stderr, "Could not acquire new PulseAudio stream: %s\n", pa_strerror (error_number));
return;
}
// Set callbacks for server events ////////////////////////////////////////
pa_stream_set_state_callback (device.stream, stream_state_cb, &device);
pa_stream_set_write_callback (device.stream, stream_request_cb, &device);
pa_stream_set_latency_update_callback (device.stream, stream_latency_update_cb, &device);
// Ready stream for playback //////////////////////////////////////////////
pa_stream_flags_t flags = (pa_stream_flags_t) (PA_STREAM_ADJUST_LATENCY | PA_STREAM_INTERPOLATE_TIMING | PA_STREAM_AUTO_TIMING_UPDATE);
//pa_stream_flags_t flags = (pa_stream_flags_t) (PA_STREAM_INTERPOLATE_TIMING | PA_STREAM_AUTO_TIMING_UPDATE | PA_STREAM_EARLY_REQUESTS);
if (pa_stream_connect_playback (device.stream, NULL, &buffer_attributes, flags, NULL, NULL) < 0)
{
pa_context_errno (device.context);
fprintf (stderr, "Could not connect for playback: %s\n", pa_strerror (error_number));
return;
}
// Run mainloop until stream is ready /////////////////////////////////////
pa_stream_state_t stream_state;
stream_state = pa_stream_get_state (device.stream);
while (stream_state != PA_STREAM_READY)
{
stream_state = pa_stream_get_state (device.stream);
if (stream_state == PA_STREAM_READY)
break;
else if (! PA_STREAM_IS_GOOD (stream_state))
{
error_number = pa_context_errno (device.context);
fprintf (stderr, "Stream state is not good: %s\n", pa_strerror (error_number));
return;
}
else
fprintf (stderr, "PulseAudio stream state is %d\n", stream_state);
pa_threaded_mainloop_wait (device.mainloop);
}
pa_threaded_mainloop_unlock (device.mainloop);
fprintf (stderr, "PulseAudio should be connected\n");
return;
}
static gboolean
gst_pulsesrc_create_stream (GstPulseSrc * pulsesrc, GstCaps * caps)
{
pa_channel_map channel_map;
GstStructure *s;
gboolean need_channel_layout = FALSE;
GstRingBufferSpec spec;
const gchar *name;
memset (&spec, 0, sizeof (GstRingBufferSpec));
spec.latency_time = GST_SECOND;
if (!gst_ring_buffer_parse_caps (&spec, caps)) {
GST_ELEMENT_ERROR (pulsesrc, RESOURCE, SETTINGS,
("Can't parse caps."), (NULL));
goto fail;
}
/* Keep the refcount of the caps at 1 to make them writable */
gst_caps_unref (spec.caps);
if (!gst_pulse_fill_sample_spec (&spec, &pulsesrc->sample_spec)) {
GST_ELEMENT_ERROR (pulsesrc, RESOURCE, SETTINGS,
("Invalid sample specification."), (NULL));
goto fail;
}
pa_threaded_mainloop_lock (pulsesrc->mainloop);
if (!pulsesrc->context) {
GST_ELEMENT_ERROR (pulsesrc, RESOURCE, FAILED, ("Bad context"), (NULL));
goto unlock_and_fail;
}
s = gst_caps_get_structure (caps, 0);
if (!gst_structure_has_field (s, "channel-layout") ||
!gst_pulse_gst_to_channel_map (&channel_map, &spec)) {
if (spec.channels == 1)
pa_channel_map_init_mono (&channel_map);
else if (spec.channels == 2)
pa_channel_map_init_stereo (&channel_map);
else
need_channel_layout = TRUE;
}
name = "Record Stream";
if (pulsesrc->proplist) {
if (!(pulsesrc->stream = pa_stream_new_with_proplist (pulsesrc->context,
name, &pulsesrc->sample_spec,
(need_channel_layout) ? NULL : &channel_map,
pulsesrc->proplist))) {
GST_ELEMENT_ERROR (pulsesrc, RESOURCE, FAILED,
("Failed to create stream: %s",
pa_strerror (pa_context_errno (pulsesrc->context))), (NULL));
goto unlock_and_fail;
}
} else if (!(pulsesrc->stream = pa_stream_new (pulsesrc->context,
name, &pulsesrc->sample_spec,
(need_channel_layout) ? NULL : &channel_map))) {
GST_ELEMENT_ERROR (pulsesrc, RESOURCE, FAILED,
("Failed to create stream: %s",
pa_strerror (pa_context_errno (pulsesrc->context))), (NULL));
goto unlock_and_fail;
}
if (need_channel_layout) {
const pa_channel_map *m = pa_stream_get_channel_map (pulsesrc->stream);
gst_pulse_channel_map_to_gst (m, &spec);
caps = spec.caps;
}
GST_DEBUG_OBJECT (pulsesrc, "Caps are %" GST_PTR_FORMAT, caps);
pa_stream_set_state_callback (pulsesrc->stream, gst_pulsesrc_stream_state_cb,
pulsesrc);
pa_stream_set_read_callback (pulsesrc->stream, gst_pulsesrc_stream_request_cb,
pulsesrc);
pa_stream_set_underflow_callback (pulsesrc->stream,
gst_pulsesrc_stream_underflow_cb, pulsesrc);
pa_stream_set_overflow_callback (pulsesrc->stream,
gst_pulsesrc_stream_overflow_cb, pulsesrc);
pa_stream_set_latency_update_callback (pulsesrc->stream,
gst_pulsesrc_stream_latency_update_cb, pulsesrc);
pa_threaded_mainloop_unlock (pulsesrc->mainloop);
return TRUE;
unlock_and_fail:
gst_pulsesrc_destroy_stream (pulsesrc);
pa_threaded_mainloop_unlock (pulsesrc->mainloop);
fail:
return FALSE;
}
/*****************************************************************************
* Open: open the audio device
*****************************************************************************/
static int Open ( vlc_object_t *p_this )
{
aout_instance_t *p_aout = (aout_instance_t *)p_this;
struct aout_sys_t * p_sys;
struct pa_sample_spec ss;
const struct pa_buffer_attr *buffer_attr;
struct pa_buffer_attr a;
struct pa_channel_map map;
/* Allocate structures */
p_aout->output.p_sys = p_sys = calloc( 1, sizeof( aout_sys_t ) );
if( p_sys == NULL )
return VLC_ENOMEM;
PULSE_DEBUG( "Pulse start initialization");
ss.channels = aout_FormatNbChannels( &p_aout->output.output ); /* Get the input stream channel count */
/* Setup the pulse audio stream based on the input stream count */
switch(ss.channels)
{
case 8:
p_aout->output.output.i_physical_channels
= AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_CENTER
| AOUT_CHAN_MIDDLELEFT | AOUT_CHAN_MIDDLERIGHT
| AOUT_CHAN_REARLEFT | AOUT_CHAN_REARRIGHT
| AOUT_CHAN_LFE;
break;
case 6:
p_aout->output.output.i_physical_channels
= AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_CENTER
| AOUT_CHAN_REARLEFT | AOUT_CHAN_REARRIGHT
| AOUT_CHAN_LFE;
break;
case 4:
p_aout->output.output.i_physical_channels
= AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT
| AOUT_CHAN_REARLEFT | AOUT_CHAN_REARRIGHT;
break;
case 2:
p_aout->output.output.i_physical_channels
= AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT;
break;
case 1:
p_aout->output.output.i_physical_channels = AOUT_CHAN_CENTER;
break;
default:
msg_Err(p_aout,"Invalid number of channels");
goto fail;
}
/* Add a quick command line info message */
msg_Info(p_aout, "No. of Audio Channels: %d", ss.channels);
ss.rate = p_aout->output.output.i_rate;
ss.format = PA_SAMPLE_FLOAT32NE;
p_aout->output.output.i_format = VLC_CODEC_FL32;
if (!pa_sample_spec_valid(&ss)) {
msg_Err(p_aout,"Invalid sample spec");
goto fail;
}
/* Reduce overall latency to 200mS to reduce audible clicks
* Also pulse minreq and internal buffers are now 20mS which reduces resampling
*/
a.tlength = pa_bytes_per_second(&ss)/5;
a.maxlength = a.tlength * 2;
a.prebuf = a.tlength / 2;
a.minreq = a.tlength / 10;
/* Buffer size is 20mS */
p_sys->buffer_size = a.minreq;
/* Initialise the speaker map setup above */
pa_channel_map_init_auto(&map, ss.channels, PA_CHANNEL_MAP_ALSA);
if (!(p_sys->mainloop = pa_threaded_mainloop_new())) {
msg_Err(p_aout, "Failed to allocate main loop");
goto fail;
}
if (!(p_sys->context = pa_context_new(pa_threaded_mainloop_get_api(p_sys->mainloop), _( PULSE_CLIENT_NAME )))) {
msg_Err(p_aout, "Failed to allocate context");
goto fail;
}
pa_context_set_state_callback(p_sys->context, context_state_cb, p_aout);
PULSE_DEBUG( "Pulse before context connect");
if (pa_context_connect(p_sys->context, NULL, 0, NULL) < 0) {
msg_Err(p_aout, "Failed to connect to server: %s", pa_strerror(pa_context_errno(p_sys->context)));
goto fail;
}
PULSE_DEBUG( "Pulse after context connect");
pa_threaded_mainloop_lock(p_sys->mainloop);
if (pa_threaded_mainloop_start(p_sys->mainloop) < 0) {
msg_Err(p_aout, "Failed to start main loop");
goto unlock_and_fail;
}
msg_Dbg(p_aout, "Pulse mainloop started");
/* Wait until the context is ready */
pa_threaded_mainloop_wait(p_sys->mainloop);
if (pa_context_get_state(p_sys->context) != PA_CONTEXT_READY) {
msg_Err(p_aout, "Failed to connect to server: %s", pa_strerror(pa_context_errno(p_sys->context)));
goto unlock_and_fail;
}
if (!(p_sys->stream = pa_stream_new(p_sys->context, "audio stream", &ss, &map))) {
msg_Err(p_aout, "Failed to create stream: %s", pa_strerror(pa_context_errno(p_sys->context)));
goto unlock_and_fail;
}
PULSE_DEBUG( "Pulse after new stream");
pa_stream_set_state_callback(p_sys->stream, stream_state_cb, p_aout);
pa_stream_set_write_callback(p_sys->stream, stream_request_cb, p_aout);
pa_stream_set_latency_update_callback(p_sys->stream, stream_latency_update_cb, p_aout);
if (pa_stream_connect_playback(p_sys->stream, NULL, &a, PA_STREAM_INTERPOLATE_TIMING|PA_STREAM_AUTO_TIMING_UPDATE|PA_STREAM_ADJUST_LATENCY, NULL, NULL) < 0) {
msg_Err(p_aout, "Failed to connect stream: %s", pa_strerror(pa_context_errno(p_sys->context)));
goto unlock_and_fail;
}
PULSE_DEBUG("Pulse stream connect");
/* Wait until the stream is ready */
pa_threaded_mainloop_wait(p_sys->mainloop);
msg_Dbg(p_aout,"Pulse stream connected");
if (pa_stream_get_state(p_sys->stream) != PA_STREAM_READY) {
msg_Err(p_aout, "Failed to connect to server: %s", pa_strerror(pa_context_errno(p_sys->context)));
goto unlock_and_fail;
}
PULSE_DEBUG("Pulse after stream get status");
pa_threaded_mainloop_unlock(p_sys->mainloop);
buffer_attr = pa_stream_get_buffer_attr(p_sys->stream);
p_aout->output.i_nb_samples = buffer_attr->minreq / pa_frame_size(&ss);
p_aout->output.pf_play = Play;
aout_VolumeSoftInit(p_aout);
msg_Dbg(p_aout, "Pulse initialized successfully");
{
char cmt[PA_CHANNEL_MAP_SNPRINT_MAX], sst[PA_SAMPLE_SPEC_SNPRINT_MAX];
msg_Dbg(p_aout, "Buffer metrics: maxlength=%u, tlength=%u, prebuf=%u, minreq=%u", buffer_attr->maxlength, buffer_attr->tlength, buffer_attr->prebuf, buffer_attr->minreq);
msg_Dbg(p_aout, "Using sample spec '%s', channel map '%s'.",
pa_sample_spec_snprint(sst, sizeof(sst), pa_stream_get_sample_spec(p_sys->stream)),
pa_channel_map_snprint(cmt, sizeof(cmt), pa_stream_get_channel_map(p_sys->stream)));
msg_Dbg(p_aout, "Connected to device %s (%u, %ssuspended).",
pa_stream_get_device_name(p_sys->stream),
pa_stream_get_device_index(p_sys->stream),
pa_stream_is_suspended(p_sys->stream) ? "" : "not ");
}
return VLC_SUCCESS;
unlock_and_fail:
msg_Dbg(p_aout, "Pulse initialization unlock and fail");
if (p_sys->mainloop)
pa_threaded_mainloop_unlock(p_sys->mainloop);
fail:
msg_Err(p_aout, "Pulse initialization failed");
uninit(p_aout);
return VLC_EGENERIC;
}
CPulseAEStream::CPulseAEStream(pa_context *context, pa_threaded_mainloop *mainLoop, enum AEDataFormat format, unsigned int sampleRate, CAEChannelInfo channelLayout, unsigned int options) : m_fader(this)
{
ASSERT(channelLayout.Count());
m_Destroyed = false;
m_Initialized = false;
m_Paused = false;
m_Stream = NULL;
m_Context = context;
m_MainLoop = mainLoop;
m_format = format;
m_sampleRate = sampleRate;
m_channelLayout = channelLayout;
m_options = options;
m_DrainOperation = NULL;
m_slave = NULL;
pa_threaded_mainloop_lock(m_MainLoop);
m_SampleSpec.channels = channelLayout.Count();
m_SampleSpec.rate = m_sampleRate;
switch (m_format)
{
case AE_FMT_U8 : m_SampleSpec.format = PA_SAMPLE_U8; break;
case AE_FMT_S16NE : m_SampleSpec.format = PA_SAMPLE_S16NE; break;
case AE_FMT_S16LE : m_SampleSpec.format = PA_SAMPLE_S16LE; break;
case AE_FMT_S16BE : m_SampleSpec.format = PA_SAMPLE_S16BE; break;
case AE_FMT_S24NE3: m_SampleSpec.format = PA_SAMPLE_S24NE; break;
case AE_FMT_S24NE4: m_SampleSpec.format = PA_SAMPLE_S24_32NE; break;
case AE_FMT_S32NE : m_SampleSpec.format = PA_SAMPLE_S32NE; break;
case AE_FMT_S32LE : m_SampleSpec.format = PA_SAMPLE_S32LE; break;
case AE_FMT_S32BE : m_SampleSpec.format = PA_SAMPLE_S32BE; break;
case AE_FMT_FLOAT : m_SampleSpec.format = PA_SAMPLE_FLOAT32NE; break;
#if PA_CHECK_VERSION(1,0,0)
case AE_FMT_DTS :
case AE_FMT_EAC3 :
case AE_FMT_AC3 : m_SampleSpec.format = PA_SAMPLE_S16NE; break;
#endif
default:
CLog::Log(LOGERROR, "PulseAudio: Invalid format %i", format);
pa_threaded_mainloop_unlock(m_MainLoop);
m_format = AE_FMT_INVALID;
return;
}
if (!pa_sample_spec_valid(&m_SampleSpec))
{
CLog::Log(LOGERROR, "PulseAudio: Invalid sample spec");
pa_threaded_mainloop_unlock(m_MainLoop);
Destroy();
return /*false*/;
}
m_frameSize = pa_frame_size(&m_SampleSpec);
struct pa_channel_map map;
map.channels = m_channelLayout.Count();
for (unsigned int ch = 0; ch < m_channelLayout.Count(); ++ch)
switch(m_channelLayout[ch])
{
case AE_CH_NULL: break;
case AE_CH_MAX : break;
case AE_CH_RAW : break;
case AE_CH_FL : map.map[ch] = PA_CHANNEL_POSITION_FRONT_LEFT ; break;
case AE_CH_FR : map.map[ch] = PA_CHANNEL_POSITION_FRONT_RIGHT ; break;
case AE_CH_FC : map.map[ch] = PA_CHANNEL_POSITION_FRONT_CENTER ; break;
case AE_CH_BC : map.map[ch] = PA_CHANNEL_POSITION_REAR_CENTER ; break;
case AE_CH_BL : map.map[ch] = PA_CHANNEL_POSITION_REAR_LEFT ; break;
case AE_CH_BR : map.map[ch] = PA_CHANNEL_POSITION_REAR_RIGHT ; break;
case AE_CH_LFE : map.map[ch] = PA_CHANNEL_POSITION_LFE ; break;
case AE_CH_FLOC: map.map[ch] = PA_CHANNEL_POSITION_FRONT_LEFT_OF_CENTER ; break;
case AE_CH_FROC: map.map[ch] = PA_CHANNEL_POSITION_FRONT_RIGHT_OF_CENTER; break;
case AE_CH_SL : map.map[ch] = PA_CHANNEL_POSITION_SIDE_LEFT ; break;
case AE_CH_SR : map.map[ch] = PA_CHANNEL_POSITION_SIDE_RIGHT ; break;
case AE_CH_TC : map.map[ch] = PA_CHANNEL_POSITION_TOP_CENTER ; break;
case AE_CH_TFL : map.map[ch] = PA_CHANNEL_POSITION_TOP_FRONT_LEFT ; break;
case AE_CH_TFR : map.map[ch] = PA_CHANNEL_POSITION_TOP_FRONT_RIGHT ; break;
case AE_CH_TFC : map.map[ch] = PA_CHANNEL_POSITION_TOP_CENTER ; break;
case AE_CH_TBL : map.map[ch] = PA_CHANNEL_POSITION_TOP_REAR_LEFT ; break;
case AE_CH_TBR : map.map[ch] = PA_CHANNEL_POSITION_TOP_REAR_RIGHT ; break;
case AE_CH_TBC : map.map[ch] = PA_CHANNEL_POSITION_TOP_REAR_CENTER ; break;
default: break;
}
m_MaxVolume = CAEFactory::GetEngine()->GetVolume();
m_Volume = 1.0f;
pa_volume_t paVolume = pa_sw_volume_from_linear((double)(m_Volume * m_MaxVolume));
pa_cvolume_set(&m_ChVolume, m_SampleSpec.channels, paVolume);
#if PA_CHECK_VERSION(1,0,0)
pa_format_info *info[1];
info[0] = pa_format_info_new();
switch(m_format)
{
case AE_FMT_DTS : info[0]->encoding = PA_ENCODING_DTS_IEC61937 ; break;
case AE_FMT_EAC3: info[0]->encoding = PA_ENCODING_EAC3_IEC61937; break;
case AE_FMT_AC3 : info[0]->encoding = PA_ENCODING_AC3_IEC61937 ; break;
default: info[0]->encoding = PA_ENCODING_PCM ; break;
}
pa_format_info_set_rate (info[0], m_SampleSpec.rate);
pa_format_info_set_channels (info[0], m_SampleSpec.channels);
pa_format_info_set_channel_map (info[0], &map);
pa_format_info_set_sample_format(info[0], m_SampleSpec.format);
m_Stream = pa_stream_new_extended(m_Context, "audio stream", info, 1, NULL);
pa_format_info_free(info[0]);
#else
m_Stream = pa_stream_new(m_Context, "audio stream", &m_SampleSpec, &map);
#endif
if (m_Stream == NULL)
{
CLog::Log(LOGERROR, "PulseAudio: Could not create a stream");
pa_threaded_mainloop_unlock(m_MainLoop);
Destroy();
return /*false*/;
}
pa_stream_set_state_callback(m_Stream, CPulseAEStream::StreamStateCallback, this);
pa_stream_set_write_callback(m_Stream, CPulseAEStream::StreamRequestCallback, this);
pa_stream_set_latency_update_callback(m_Stream, CPulseAEStream::StreamLatencyUpdateCallback, this);
pa_stream_set_underflow_callback(m_Stream, CPulseAEStream::StreamUnderflowCallback, this);
int flags = PA_STREAM_INTERPOLATE_TIMING | PA_STREAM_AUTO_TIMING_UPDATE;
if (options && AESTREAM_FORCE_RESAMPLE)
flags |= PA_STREAM_VARIABLE_RATE;
if (pa_stream_connect_playback(m_Stream, NULL, NULL, (pa_stream_flags)flags, &m_ChVolume, NULL) < 0)
{
CLog::Log(LOGERROR, "PulseAudio: Failed to connect stream to output");
pa_threaded_mainloop_unlock(m_MainLoop);
Destroy();
return /*false*/;
}
/* Wait until the stream is ready */
do
{
pa_threaded_mainloop_wait(m_MainLoop);
CLog::Log(LOGDEBUG, "PulseAudio: Stream %s", StreamStateToString(pa_stream_get_state(m_Stream)));
}
while (pa_stream_get_state(m_Stream) != PA_STREAM_READY && pa_stream_get_state(m_Stream) != PA_STREAM_FAILED);
if (pa_stream_get_state(m_Stream) == PA_STREAM_FAILED)
{
CLog::Log(LOGERROR, "PulseAudio: Waited for the stream but it failed");
pa_threaded_mainloop_unlock(m_MainLoop);
Destroy();
return /*false*/;
}
m_cacheSize = pa_stream_writable_size(m_Stream);
pa_threaded_mainloop_unlock(m_MainLoop);
m_Initialized = true;
CLog::Log(LOGINFO, "PulseAEStream::Initialized");
CLog::Log(LOGINFO, " Sample Rate : %d", m_sampleRate);
CLog::Log(LOGINFO, " Sample Format : %s", CAEUtil::DataFormatToStr(m_format));
CLog::Log(LOGINFO, " Channel Count : %d", m_channelLayout.Count());
CLog::Log(LOGINFO, " Channel Layout: %s", ((std::string)m_channelLayout).c_str());
CLog::Log(LOGINFO, " Frame Size : %d", m_frameSize);
CLog::Log(LOGINFO, " Cache Size : %d", m_cacheSize);
Resume();
return /*true*/;
}
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 pulse_open(int fmt, int rate, int nch) {
pa_sample_spec ss;
pa_operation *o = NULL;
int success;
assert(!mainloop);
assert(!context);
assert(!stream);
assert(!connected);
switch(fmt)
{
case FMT_U8:
ss.format = PA_SAMPLE_U8;
break;
case FMT_S16_LE:
ss.format = PA_SAMPLE_S16LE;
break;
case FMT_S16_BE:
ss.format = PA_SAMPLE_S16BE;
break;
#ifdef PA_SAMPLE_S24_32LE
case FMT_S24_LE:
ss.format = PA_SAMPLE_S24_32LE;
break;
case FMT_S24_BE:
ss.format = PA_SAMPLE_S24_32BE;
break;
#endif
#ifdef PA_SAMPLE_S32LE
case FMT_S32_LE:
ss.format = PA_SAMPLE_S32LE;
break;
case FMT_S32_BE:
ss.format = PA_SAMPLE_S32BE;
break;
#endif
case FMT_FLOAT:
ss.format = PA_SAMPLE_FLOAT32NE;
break;
default:
return FALSE;
}
ss.rate = rate;
ss.channels = nch;
if (!pa_sample_spec_valid(&ss))
return FALSE;
if (!(mainloop = pa_threaded_mainloop_new())) {
ERROR ("Failed to allocate main loop");
goto fail;
}
pa_threaded_mainloop_lock(mainloop);
if (!(context = pa_context_new(pa_threaded_mainloop_get_api(mainloop), "Audacious"))) {
ERROR ("Failed to allocate context");
goto unlock_and_fail;
}
pa_context_set_state_callback(context, context_state_cb, NULL);
pa_context_set_subscribe_callback(context, subscribe_cb, NULL);
if (pa_context_connect(context, NULL, 0, NULL) < 0) {
ERROR ("Failed to connect to server: %s", pa_strerror(pa_context_errno(context)));
goto unlock_and_fail;
}
if (pa_threaded_mainloop_start(mainloop) < 0) {
ERROR ("Failed to start main loop");
goto unlock_and_fail;
}
/* Wait until the context is ready */
pa_threaded_mainloop_wait(mainloop);
if (pa_context_get_state(context) != PA_CONTEXT_READY) {
ERROR ("Failed to connect to server: %s", pa_strerror(pa_context_errno(context)));
goto unlock_and_fail;
}
if (!(stream = pa_stream_new(context, "Audacious", &ss, NULL))) {
ERROR ("Failed to create stream: %s", pa_strerror(pa_context_errno(context)));
goto unlock_and_fail;
}
pa_stream_set_state_callback(stream, stream_state_cb, NULL);
pa_stream_set_write_callback(stream, stream_request_cb, NULL);
pa_stream_set_latency_update_callback(stream, stream_latency_update_cb, NULL);
/* Connect stream with sink and default volume */
/* Buffer struct */
int aud_buffer = aud_get_int(NULL, "output_buffer_size");
size_t buffer_size = pa_usec_to_bytes(aud_buffer, &ss) * 1000;
pa_buffer_attr buffer = {(uint32_t) -1, buffer_size, (uint32_t) -1, (uint32_t) -1, buffer_size};
if (pa_stream_connect_playback(stream, NULL, &buffer, PA_STREAM_INTERPOLATE_TIMING|PA_STREAM_AUTO_TIMING_UPDATE, NULL, NULL) < 0) {
ERROR ("Failed to connect stream: %s", pa_strerror(pa_context_errno(context)));
goto unlock_and_fail;
}
/* Wait until the stream is ready */
pa_threaded_mainloop_wait(mainloop);
if (pa_stream_get_state(stream) != PA_STREAM_READY) {
ERROR ("Failed to connect stream: %s", pa_strerror(pa_context_errno(context)));
goto unlock_and_fail;
}
/* Now subscribe to events */
if (!(o = pa_context_subscribe(context, PA_SUBSCRIPTION_MASK_SINK_INPUT, context_success_cb, &success))) {
ERROR ("pa_context_subscribe() failed: %s", pa_strerror(pa_context_errno(context)));
goto unlock_and_fail;
}
success = 0;
while (pa_operation_get_state(o) != PA_OPERATION_DONE) {
CHECK_DEAD_GOTO(fail, 1);
pa_threaded_mainloop_wait(mainloop);
}
if (!success) {
ERROR ("pa_context_subscribe() failed: %s", pa_strerror(pa_context_errno(context)));
goto unlock_and_fail;
}
pa_operation_unref(o);
/* Now request the initial stream info */
if (!(o = pa_context_get_sink_input_info(context, pa_stream_get_index(stream), info_cb, NULL))) {
ERROR ("pa_context_get_sink_input_info() failed: %s", pa_strerror(pa_context_errno(context)));
goto unlock_and_fail;
}
while (pa_operation_get_state(o) != PA_OPERATION_DONE) {
CHECK_DEAD_GOTO(fail, 1);
pa_threaded_mainloop_wait(mainloop);
}
if (!volume_valid) {
ERROR ("pa_context_get_sink_input_info() failed: %s", pa_strerror(pa_context_errno(context)));
goto unlock_and_fail;
}
pa_operation_unref(o);
do_trigger = 0;
written = 0;
flush_time = 0;
bytes_per_second = FMT_SIZEOF (fmt) * nch * rate;
connected = 1;
volume_time_event = NULL;
pa_threaded_mainloop_unlock(mainloop);
return TRUE;
unlock_and_fail:
if (o)
pa_operation_unref(o);
pa_threaded_mainloop_unlock(mainloop);
fail:
pulse_close();
return FALSE;
}
bool CAESinkPULSE::Initialize(AEAudioFormat &format, std::string &device)
{
{
CSingleLock lock(m_sec);
m_IsAllocated = false;
}
m_passthrough = false;
m_BytesPerSecond = 0;
m_BufferSize = 0;
m_filled_bytes = 0;
m_lastPackageStamp = 0;
m_Channels = 0;
m_Stream = NULL;
m_Context = NULL;
m_periodSize = 0;
if (!SetupContext(NULL, &m_Context, &m_MainLoop))
{
CLog::Log(LOGNOTICE, "PulseAudio might not be running. Context was not created.");
Deinitialize();
return false;
}
pa_threaded_mainloop_lock(m_MainLoop);
struct pa_channel_map map;
pa_channel_map_init(&map);
// PULSE cannot cope with e.g. planar formats so we fallback to FLOAT
// when we receive an invalid pulse format
if (AEFormatToPulseFormat(format.m_dataFormat) == PA_SAMPLE_INVALID)
{
CLog::Log(LOGDEBUG, "PULSE does not support format: %s - will fallback to AE_FMT_FLOAT", CAEUtil::DataFormatToStr(format.m_dataFormat));
format.m_dataFormat = AE_FMT_FLOAT;
}
m_passthrough = AE_IS_RAW(format.m_dataFormat);
if(m_passthrough)
{
map.channels = 2;
format.m_channelLayout = AE_CH_LAYOUT_2_0;
}
else
{
map = AEChannelMapToPAChannel(format.m_channelLayout);
// if count has changed we need to fit the AE Map
if(map.channels != format.m_channelLayout.Count())
format.m_channelLayout = PAChannelToAEChannelMap(map);
}
m_Channels = format.m_channelLayout.Count();
// store information about current sink
SinkInfoStruct sinkStruct;
sinkStruct.mainloop = m_MainLoop;
sinkStruct.device_found = false;
// get real sample rate of the device we want to open - to avoid resampling
bool isDefaultDevice = (device == "Default");
WaitForOperation(pa_context_get_sink_info_by_name(m_Context, isDefaultDevice ? NULL : device.c_str(), SinkInfoCallback, &sinkStruct), m_MainLoop, "Get Sink Info");
// only check if the device is existing - don't alter the sample rate
if (!sinkStruct.device_found)
{
CLog::Log(LOGERROR, "PulseAudio: Sink %s not found", device.c_str());
pa_threaded_mainloop_unlock(m_MainLoop);
Deinitialize();
return false;
}
// Pulse can resample everything between 1 hz and 192000 hz
// Make sure we are in the range that we originally added
format.m_sampleRate = std::max(5512U, std::min(format.m_sampleRate, 192000U));
pa_format_info *info[1];
info[0] = pa_format_info_new();
info[0]->encoding = AEFormatToPulseEncoding(format.m_dataFormat);
if(!m_passthrough)
{
pa_format_info_set_sample_format(info[0], AEFormatToPulseFormat(format.m_dataFormat));
pa_format_info_set_channel_map(info[0], &map);
}
pa_format_info_set_channels(info[0], m_Channels);
// PA requires m_encodedRate in order to do EAC3
unsigned int samplerate = format.m_sampleRate;
if (m_passthrough && (AEFormatToPulseEncoding(format.m_dataFormat) == PA_ENCODING_EAC3_IEC61937))
{
// this is only used internally for PA to use EAC3
samplerate = format.m_encodedRate;
}
pa_format_info_set_rate(info[0], samplerate);
if (!pa_format_info_valid(info[0]))
{
CLog::Log(LOGERROR, "PulseAudio: Invalid format info");
pa_format_info_free(info[0]);
pa_threaded_mainloop_unlock(m_MainLoop);
Deinitialize();
return false;
}
pa_sample_spec spec;
#if PA_CHECK_VERSION(2,0,0)
pa_format_info_to_sample_spec(info[0], &spec, NULL);
#else
spec.rate = (AEFormatToPulseEncoding(format.m_dataFormat) == PA_ENCODING_EAC3_IEC61937) ? 4 * samplerate : samplerate;
spec.format = AEFormatToPulseFormat(format.m_dataFormat);
spec.channels = m_Channels;
#endif
if (!pa_sample_spec_valid(&spec))
{
CLog::Log(LOGERROR, "PulseAudio: Invalid sample spec");
pa_format_info_free(info[0]);
pa_threaded_mainloop_unlock(m_MainLoop);
Deinitialize();
return false;
}
m_BytesPerSecond = pa_bytes_per_second(&spec);
unsigned int frameSize = pa_frame_size(&spec);
m_Stream = pa_stream_new_extended(m_Context, "kodi audio stream", info, 1, NULL);
pa_format_info_free(info[0]);
if (m_Stream == NULL)
{
CLog::Log(LOGERROR, "PulseAudio: Could not create a stream");
pa_threaded_mainloop_unlock(m_MainLoop);
Deinitialize();
return false;
}
pa_stream_set_state_callback(m_Stream, StreamStateCallback, m_MainLoop);
pa_stream_set_write_callback(m_Stream, StreamRequestCallback, m_MainLoop);
pa_stream_set_latency_update_callback(m_Stream, StreamLatencyUpdateCallback, m_MainLoop);
// default buffer construction
// align with AE's max buffer
unsigned int latency = m_BytesPerSecond / 2.5; // 400 ms
unsigned int process_time = latency / 4; // 100 ms
if(sinkStruct.isHWDevice)
{
// on hw devices buffers can be further reduced
// 200ms max latency
// 50ms min packet size
latency = m_BytesPerSecond / 5;
process_time = latency / 4;
}
pa_buffer_attr buffer_attr;
buffer_attr.fragsize = latency;
buffer_attr.maxlength = (uint32_t) -1;
buffer_attr.minreq = process_time;
buffer_attr.prebuf = (uint32_t) -1;
buffer_attr.tlength = latency;
if (pa_stream_connect_playback(m_Stream, isDefaultDevice ? NULL : device.c_str(), &buffer_attr, ((pa_stream_flags)(PA_STREAM_INTERPOLATE_TIMING | PA_STREAM_AUTO_TIMING_UPDATE | PA_STREAM_ADJUST_LATENCY)), NULL, NULL) < 0)
{
CLog::Log(LOGERROR, "PulseAudio: Failed to connect stream to output");
pa_threaded_mainloop_unlock(m_MainLoop);
Deinitialize();
return false;
}
/* Wait until the stream is ready */
do
{
pa_threaded_mainloop_wait(m_MainLoop);
CLog::Log(LOGDEBUG, "PulseAudio: Stream %s", StreamStateToString(pa_stream_get_state(m_Stream)));
}
while (pa_stream_get_state(m_Stream) != PA_STREAM_READY && pa_stream_get_state(m_Stream) != PA_STREAM_FAILED);
if (pa_stream_get_state(m_Stream) == PA_STREAM_FAILED)
{
CLog::Log(LOGERROR, "PulseAudio: Waited for the stream but it failed");
pa_threaded_mainloop_unlock(m_MainLoop);
Deinitialize();
return false;
}
const pa_buffer_attr *a;
if (!(a = pa_stream_get_buffer_attr(m_Stream)))
{
CLog::Log(LOGERROR, "PulseAudio: %s", pa_strerror(pa_context_errno(m_Context)));
pa_threaded_mainloop_unlock(m_MainLoop);
Deinitialize();
return false;
}
else
{
unsigned int packetSize = a->minreq;
m_BufferSize = a->tlength;
m_periodSize = a->minreq;
format.m_frames = packetSize / frameSize;
}
{
CSingleLock lock(m_sec);
// Register Callback for Sink changes
pa_context_set_subscribe_callback(m_Context, SinkChangedCallback, this);
const pa_subscription_mask_t mask = PA_SUBSCRIPTION_MASK_SINK;
pa_operation *op = pa_context_subscribe(m_Context, mask, NULL, this);
if (op != NULL)
pa_operation_unref(op);
// Register Callback for Sink Info changes - this handles volume
pa_context_set_subscribe_callback(m_Context, SinkInputInfoChangedCallback, this);
const pa_subscription_mask_t mask_input = PA_SUBSCRIPTION_MASK_SINK_INPUT;
pa_operation* op_sinfo = pa_context_subscribe(m_Context, mask_input, NULL, this);
if (op_sinfo != NULL)
pa_operation_unref(op_sinfo);
}
pa_threaded_mainloop_unlock(m_MainLoop);
format.m_frameSize = frameSize;
format.m_frameSamples = format.m_frames * format.m_channelLayout.Count();
m_format = format;
format.m_dataFormat = m_passthrough ? AE_FMT_S16NE : format.m_dataFormat;
CLog::Log(LOGNOTICE, "PulseAudio: Opened device %s in %s mode with Buffersize %u ms",
device.c_str(), m_passthrough ? "passthrough" : "pcm",
(unsigned int) ((m_BufferSize / (float) m_BytesPerSecond) * 1000));
// Cork stream will resume when adding first package
Pause(true);
{
CSingleLock lock(m_sec);
m_IsAllocated = true;
}
return true;
}
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 gboolean
gst_pulsesrc_create_stream (GstPulseSrc * pulsesrc, GstCaps ** caps)
{
pa_channel_map channel_map;
const pa_channel_map *m;
GstStructure *s;
gboolean need_channel_layout = FALSE;
GstAudioRingBufferSpec spec;
const gchar *name;
s = gst_caps_get_structure (*caps, 0);
gst_structure_get_int (s, "channels", &spec.info.channels);
if (!gst_structure_has_field (s, "channel-mask")) {
if (spec.info.channels == 1) {
pa_channel_map_init_mono (&channel_map);
} else if (spec.info.channels == 2) {
gst_structure_set (s, "channel-mask", GST_TYPE_BITMASK,
GST_AUDIO_CHANNEL_POSITION_MASK (FRONT_LEFT) |
GST_AUDIO_CHANNEL_POSITION_MASK (FRONT_RIGHT), NULL);
pa_channel_map_init_stereo (&channel_map);
} else {
need_channel_layout = TRUE;
gst_structure_set (s, "channel-mask", GST_TYPE_BITMASK,
G_GUINT64_CONSTANT (0), NULL);
}
}
memset (&spec, 0, sizeof (GstAudioRingBufferSpec));
spec.latency_time = GST_SECOND;
if (!gst_audio_ring_buffer_parse_caps (&spec, *caps))
goto invalid_caps;
/* Keep the refcount of the caps at 1 to make them writable */
gst_caps_unref (spec.caps);
if (!need_channel_layout
&& !gst_pulse_gst_to_channel_map (&channel_map, &spec)) {
need_channel_layout = TRUE;
gst_structure_set (s, "channel-mask", GST_TYPE_BITMASK,
G_GUINT64_CONSTANT (0), NULL);
memset (spec.info.position, 0xff, sizeof (spec.info.position));
}
if (!gst_pulse_fill_sample_spec (&spec, &pulsesrc->sample_spec))
goto invalid_spec;
pa_threaded_mainloop_lock (pulsesrc->mainloop);
if (!pulsesrc->context)
goto bad_context;
name = "Record Stream";
if (pulsesrc->proplist) {
if (!(pulsesrc->stream = pa_stream_new_with_proplist (pulsesrc->context,
name, &pulsesrc->sample_spec,
(need_channel_layout) ? NULL : &channel_map,
pulsesrc->proplist)))
goto create_failed;
} else if (!(pulsesrc->stream = pa_stream_new (pulsesrc->context,
name, &pulsesrc->sample_spec,
(need_channel_layout) ? NULL : &channel_map)))
goto create_failed;
m = pa_stream_get_channel_map (pulsesrc->stream);
gst_pulse_channel_map_to_gst (m, &spec);
gst_audio_channel_positions_to_valid_order (spec.info.position,
spec.info.channels);
gst_caps_unref (*caps);
*caps = gst_audio_info_to_caps (&spec.info);
GST_DEBUG_OBJECT (pulsesrc, "Caps are %" GST_PTR_FORMAT, *caps);
pa_stream_set_state_callback (pulsesrc->stream, gst_pulsesrc_stream_state_cb,
pulsesrc);
pa_stream_set_read_callback (pulsesrc->stream, gst_pulsesrc_stream_request_cb,
pulsesrc);
pa_stream_set_underflow_callback (pulsesrc->stream,
gst_pulsesrc_stream_underflow_cb, pulsesrc);
pa_stream_set_overflow_callback (pulsesrc->stream,
gst_pulsesrc_stream_overflow_cb, pulsesrc);
pa_stream_set_latency_update_callback (pulsesrc->stream,
gst_pulsesrc_stream_latency_update_cb, pulsesrc);
pa_threaded_mainloop_unlock (pulsesrc->mainloop);
return TRUE;
/* ERRORS */
invalid_caps:
{
GST_ELEMENT_ERROR (pulsesrc, RESOURCE, SETTINGS,
("Can't parse caps."), (NULL));
goto fail;
}
invalid_spec:
{
GST_ELEMENT_ERROR (pulsesrc, RESOURCE, SETTINGS,
("Invalid sample specification."), (NULL));
goto fail;
}
bad_context:
{
GST_ELEMENT_ERROR (pulsesrc, RESOURCE, FAILED, ("Bad context"), (NULL));
goto unlock_and_fail;
}
create_failed:
{
GST_ELEMENT_ERROR (pulsesrc, RESOURCE, FAILED,
("Failed to create stream: %s",
pa_strerror (pa_context_errno (pulsesrc->context))), (NULL));
goto unlock_and_fail;
}
unlock_and_fail:
{
gst_pulsesrc_destroy_stream (pulsesrc);
pa_threaded_mainloop_unlock (pulsesrc->mainloop);
fail:
return FALSE;
}
}
/* This is called whenever the context status changes */
static void context_state_callback(pa_context *c, void *userdata) {
fail_unless(c != NULL);
switch (pa_context_get_state(c)) {
case PA_CONTEXT_CONNECTING:
case PA_CONTEXT_AUTHORIZING:
case PA_CONTEXT_SETTING_NAME:
break;
case PA_CONTEXT_READY: {
pa_stream_flags_t flags = PA_STREAM_AUTO_TIMING_UPDATE;
pa_buffer_attr attr;
static const pa_sample_spec ss = {
.format = PA_SAMPLE_S16LE,
.rate = 44100,
.channels = 2
};
pa_zero(attr);
attr.maxlength = (uint32_t) -1;
attr.tlength = latency > 0 ? (uint32_t) pa_usec_to_bytes(latency, &ss) : (uint32_t) -1;
attr.prebuf = (uint32_t) -1;
attr.minreq = (uint32_t) -1;
attr.fragsize = (uint32_t) -1;
#ifdef INTERPOLATE
flags |= PA_STREAM_INTERPOLATE_TIMING;
#endif
if (latency > 0)
flags |= PA_STREAM_ADJUST_LATENCY;
pa_log("Connection established");
stream = pa_stream_new(c, "interpol-test", &ss, NULL);
fail_unless(stream != NULL);
if (playback) {
pa_assert_se(pa_stream_connect_playback(stream, NULL, &attr, flags, NULL, NULL) == 0);
pa_stream_set_write_callback(stream, stream_write_cb, NULL);
} else {
pa_assert_se(pa_stream_connect_record(stream, NULL, &attr, flags) == 0);
pa_stream_set_read_callback(stream, stream_read_cb, NULL);
}
pa_stream_set_latency_update_callback(stream, stream_latency_cb, NULL);
break;
}
case PA_CONTEXT_TERMINATED:
break;
case PA_CONTEXT_FAILED:
default:
pa_log_error("Context error: %s", pa_strerror(pa_context_errno(c)));
ck_abort();
}
}
START_TEST (interpol_test) {
pa_threaded_mainloop* m = NULL;
int k;
struct timeval start, last_info = { 0, 0 };
pa_usec_t old_t = 0, old_rtc = 0;
#ifdef CORK
bool corked = false;
#endif
/* Set up a new main loop */
m = pa_threaded_mainloop_new();
fail_unless(m != NULL);
mainloop_api = pa_threaded_mainloop_get_api(m);
fail_unless(mainloop_api != NULL);
context = pa_context_new(mainloop_api, bname);
fail_unless(context != NULL);
pa_context_set_state_callback(context, context_state_callback, NULL);
fail_unless(pa_context_connect(context, NULL, 0, NULL) >= 0);
pa_gettimeofday(&start);
fail_unless(pa_threaded_mainloop_start(m) >= 0);
/* #ifdef CORK */
for (k = 0; k < 20000; k++)
/* #else */
/* for (k = 0; k < 2000; k++) */
/* #endif */
{
bool success = false, changed = false;
pa_usec_t t, rtc, d;
struct timeval now, tv;
bool playing = false;
pa_threaded_mainloop_lock(m);
if (stream) {
const pa_timing_info *info;
if (pa_stream_get_time(stream, &t) >= 0 &&
pa_stream_get_latency(stream, &d, NULL) >= 0)
success = true;
if ((info = pa_stream_get_timing_info(stream))) {
if (memcmp(&last_info, &info->timestamp, sizeof(struct timeval))) {
changed = true;
last_info = info->timestamp;
}
if (info->playing)
playing = true;
}
}
pa_threaded_mainloop_unlock(m);
pa_gettimeofday(&now);
if (success) {
#ifdef CORK
bool cork_now;
#endif
rtc = pa_timeval_diff(&now, &start);
pa_log_info("%i\t%llu\t%llu\t%llu\t%llu\t%lli\t%u\t%u\t%llu\t%llu\n", k,
(unsigned long long) rtc,
(unsigned long long) t,
(unsigned long long) (rtc-old_rtc),
(unsigned long long) (t-old_t),
(signed long long) rtc - (signed long long) t,
changed,
playing,
(unsigned long long) latency,
(unsigned long long) d);
fflush(stdout);
old_t = t;
old_rtc = rtc;
#ifdef CORK
cork_now = (rtc / (2*PA_USEC_PER_SEC)) % 2 == 1;
if (corked != cork_now) {
pa_threaded_mainloop_lock(m);
pa_operation_unref(pa_stream_cork(stream, cork_now, NULL, NULL));
pa_threaded_mainloop_unlock(m);
pa_log(cork_now ? "Corking" : "Uncorking");
corked = cork_now;
}
#endif
}
/* Spin loop, ugly but normal usleep() is just too badly grained */
tv = now;
while (pa_timeval_diff(pa_gettimeofday(&now), &tv) < 1000)
pa_thread_yield();
}
if (m)
pa_threaded_mainloop_stop(m);
if (stream) {
pa_stream_disconnect(stream);
pa_stream_unref(stream);
}
if (context) {
pa_context_disconnect(context);
pa_context_unref(context);
}
if (m)
pa_threaded_mainloop_free(m);
}
END_TEST
int main(int argc, char *argv[]) {
int failed = 0;
Suite *s;
TCase *tc;
SRunner *sr;
if (!getenv("MAKE_CHECK"))
pa_log_set_level(PA_LOG_DEBUG);
bname = argv[0];
playback = argc <= 1 || !pa_streq(argv[1], "-r");
latency = (argc >= 2 && !pa_streq(argv[1], "-r")) ? atoi(argv[1]) : (argc >= 3 ? atoi(argv[2]) : 0);
s = suite_create("Interpol");
tc = tcase_create("interpol");
tcase_add_test(tc, interpol_test);
tcase_set_timeout(tc, 5 * 60);
suite_add_tcase(s, tc);
sr = srunner_create(s);
srunner_run_all(sr, CK_NORMAL);
failed = srunner_ntests_failed(sr);
srunner_free(sr);
return (failed == 0) ? EXIT_SUCCESS : EXIT_FAILURE;
}
static int pulse_open()
{
ENTER(__FUNCTION__);
pa_sample_spec ss;
pa_operation *o = NULL;
int success;
int ret = PULSE_ERROR;
assert(!mainloop);
assert(!context);
assert(!stream);
assert(!connected);
pthread_mutex_init( &pulse_mutex, (const pthread_mutexattr_t *)NULL);
ss.format = ESPEAK_FORMAT;
ss.rate = wave_samplerate;
ss.channels = ESPEAK_CHANNEL;
if (!pa_sample_spec_valid(&ss))
return false;
SHOW_TIME("pa_threaded_mainloop_new (call)");
if (!(mainloop = pa_threaded_mainloop_new())) {
SHOW("Failed to allocate main loop\n","");
goto fail;
}
pa_threaded_mainloop_lock(mainloop);
SHOW_TIME("pa_context_new (call)");
if (!(context = pa_context_new(pa_threaded_mainloop_get_api(mainloop), "eSpeak"))) {
SHOW("Failed to allocate context\n","");
goto unlock_and_fail;
}
pa_context_set_state_callback(context, context_state_cb, NULL);
pa_context_set_subscribe_callback(context, subscribe_cb, NULL);
SHOW_TIME("pa_context_connect (call)");
if (pa_context_connect(context, NULL, (pa_context_flags_t)0, NULL) < 0) {
SHOW("Failed to connect to server: %s", pa_strerror(pa_context_errno(context)));
ret = PULSE_NO_CONNECTION;
goto unlock_and_fail;
}
SHOW_TIME("pa_threaded_mainloop_start (call)");
if (pa_threaded_mainloop_start(mainloop) < 0) {
SHOW("Failed to start main loop","");
goto unlock_and_fail;
}
/* Wait until the context is ready */
SHOW_TIME("pa_threaded_mainloop_wait");
pa_threaded_mainloop_wait(mainloop);
if (pa_context_get_state(context) != PA_CONTEXT_READY) {
SHOW("Failed to connect to server: %s", pa_strerror(pa_context_errno(context)));
ret = PULSE_NO_CONNECTION;
if (mainloop)
pa_threaded_mainloop_stop(mainloop);
goto unlock_and_fail;
}
SHOW_TIME("pa_stream_new");
if (!(stream = pa_stream_new(context, "unknown", &ss, NULL))) {
SHOW("Failed to create stream: %s", pa_strerror(pa_context_errno(context)));
goto unlock_and_fail;
}
pa_stream_set_state_callback(stream, stream_state_cb, NULL);
pa_stream_set_write_callback(stream, stream_request_cb, NULL);
pa_stream_set_latency_update_callback(stream, stream_latency_update_cb, NULL);
pa_buffer_attr a_attr;
a_attr.maxlength = MAXLENGTH;
a_attr.tlength = TLENGTH;
a_attr.prebuf = PREBUF;
a_attr.minreq = MINREQ;
a_attr.fragsize = 0;
SHOW_TIME("pa_connect_playback");
if (pa_stream_connect_playback(stream, NULL, &a_attr, (pa_stream_flags_t)(PA_STREAM_INTERPOLATE_TIMING|PA_STREAM_AUTO_TIMING_UPDATE), NULL, NULL) < 0) {
SHOW("Failed to connect stream: %s", pa_strerror(pa_context_errno(context)));
goto unlock_and_fail;
}
/* Wait until the stream is ready */
SHOW_TIME("pa_threaded_mainloop_wait");
pa_threaded_mainloop_wait(mainloop);
if (pa_stream_get_state(stream) != PA_STREAM_READY) {
SHOW("Failed to connect stream: %s", pa_strerror(pa_context_errno(context)));
goto unlock_and_fail;
}
/* Now subscribe to events */
SHOW_TIME("pa_context_subscribe");
if (!(o = pa_context_subscribe(context, PA_SUBSCRIPTION_MASK_SINK_INPUT, context_success_cb, &success))) {
SHOW("pa_context_subscribe() failed: %s", pa_strerror(pa_context_errno(context)));
goto unlock_and_fail;
}
success = 0;
SHOW_TIME("pa_threaded_mainloop_wait");
while (pa_operation_get_state(o) != PA_OPERATION_DONE) {
CHECK_DEAD_GOTO(fail, 1);
pa_threaded_mainloop_wait(mainloop);
}
pa_operation_unref(o);
if (!success) {
SHOW("pa_context_subscribe() failed: %s", pa_strerror(pa_context_errno(context)));
goto unlock_and_fail;
}
do_trigger = 0;
written = 0;
time_offset_msec = 0;
just_flushed = 0;
connected = 1;
pa_threaded_mainloop_unlock(mainloop);
SHOW_TIME("pulse_open (ret true)");
return PULSE_OK;
unlock_and_fail:
if (o)
pa_operation_unref(o);
pa_threaded_mainloop_unlock(mainloop);
fail:
// pulse_close();
if (ret == PULSE_NO_CONNECTION) {
if (context) {
SHOW_TIME("pa_context_disconnect (call)");
pa_context_disconnect(context);
pa_context_unref(context);
context = NULL;
}
if (mainloop) {
SHOW_TIME("pa_threaded_mainloop_free (call)");
pa_threaded_mainloop_free(mainloop);
mainloop = NULL;
}
}
else {
pulse_close();
}
SHOW_TIME("pulse_open (ret false)");
return ret;
}
pa_simple* pa_simple_new(
const char *server,
const char *name,
pa_stream_direction_t dir,
const char *dev,
const char *stream_name,
const pa_sample_spec *ss,
const pa_channel_map *map,
const pa_buffer_attr *attr,
int *rerror) {
pa_simple *p;
int error = PA_ERR_INTERNAL, r;
CHECK_VALIDITY_RETURN_ANY(rerror, !server || *server, PA_ERR_INVALID, NULL);
CHECK_VALIDITY_RETURN_ANY(rerror, dir == PA_STREAM_PLAYBACK || dir == PA_STREAM_RECORD, PA_ERR_INVALID, NULL);
CHECK_VALIDITY_RETURN_ANY(rerror, !dev || *dev, PA_ERR_INVALID, NULL);
CHECK_VALIDITY_RETURN_ANY(rerror, ss && pa_sample_spec_valid(ss), PA_ERR_INVALID, NULL);
CHECK_VALIDITY_RETURN_ANY(rerror, !map || (pa_channel_map_valid(map) && map->channels == ss->channels), PA_ERR_INVALID, NULL)
p = pa_xnew0(pa_simple, 1);
p->direction = dir;
if (!(p->mainloop = pa_threaded_mainloop_new()))
goto fail;
if (!(p->context = pa_context_new(pa_threaded_mainloop_get_api(p->mainloop), name)))
goto fail;
pa_context_set_state_callback(p->context, context_state_cb, p);
if (pa_context_connect(p->context, server, 0, NULL) < 0) {
error = pa_context_errno(p->context);
goto fail;
}
pa_threaded_mainloop_lock(p->mainloop);
if (pa_threaded_mainloop_start(p->mainloop) < 0)
goto unlock_and_fail;
for (;;) {
pa_context_state_t state;
state = pa_context_get_state(p->context);
if (state == PA_CONTEXT_READY)
break;
if (!PA_CONTEXT_IS_GOOD(state)) {
error = pa_context_errno(p->context);
goto unlock_and_fail;
}
/* Wait until the context is ready */
pa_threaded_mainloop_wait(p->mainloop);
}
if (!(p->stream = pa_stream_new(p->context, stream_name, ss, map))) {
error = pa_context_errno(p->context);
goto unlock_and_fail;
}
pa_stream_set_state_callback(p->stream, stream_state_cb, p);
pa_stream_set_read_callback(p->stream, stream_request_cb, p);
pa_stream_set_write_callback(p->stream, stream_request_cb, p);
pa_stream_set_latency_update_callback(p->stream, stream_latency_update_cb, p);
if (dir == PA_STREAM_PLAYBACK)
r = pa_stream_connect_playback(p->stream, dev, attr,
PA_STREAM_INTERPOLATE_TIMING
|PA_STREAM_ADJUST_LATENCY
|PA_STREAM_AUTO_TIMING_UPDATE, NULL, NULL);
else
r = pa_stream_connect_record(p->stream, dev, attr,
PA_STREAM_INTERPOLATE_TIMING
|PA_STREAM_ADJUST_LATENCY
|PA_STREAM_AUTO_TIMING_UPDATE);
if (r < 0) {
error = pa_context_errno(p->context);
goto unlock_and_fail;
}
for (;;) {
pa_stream_state_t state;
state = pa_stream_get_state(p->stream);
if (state == PA_STREAM_READY)
break;
if (!PA_STREAM_IS_GOOD(state)) {
error = pa_context_errno(p->context);
goto unlock_and_fail;
}
/* Wait until the stream is ready */
pa_threaded_mainloop_wait(p->mainloop);
}
pa_threaded_mainloop_unlock(p->mainloop);
return p;
unlock_and_fail:
pa_threaded_mainloop_unlock(p->mainloop);
fail:
if (rerror)
*rerror = error;
pa_simple_free(p);
return NULL;
}
static void *pulse_init(const char *device, unsigned rate, unsigned latency)
{
pa_sample_spec spec;
pa_t *pa;
pa_buffer_attr buffer_attr = {0};
const pa_buffer_attr *server_attr = NULL;
memset(&spec, 0, sizeof(spec));
pa = (pa_t*)calloc(1, sizeof(*pa));
if (!pa)
goto error;
pa->mainloop = pa_threaded_mainloop_new();
if (!pa->mainloop)
goto error;
pa->context = pa_context_new(pa_threaded_mainloop_get_api(pa->mainloop), "RetroArch");
if (!pa->context)
goto error;
pa_context_set_state_callback(pa->context, context_state_cb, pa);
if (pa_context_connect(pa->context, device, PA_CONTEXT_NOFLAGS, NULL) < 0)
goto error;
pa_threaded_mainloop_lock(pa->mainloop);
if (pa_threaded_mainloop_start(pa->mainloop) < 0)
goto error;
pa_threaded_mainloop_wait(pa->mainloop);
if (pa_context_get_state(pa->context) != PA_CONTEXT_READY)
goto unlock_error;
spec.format = is_little_endian() ? PA_SAMPLE_FLOAT32LE : PA_SAMPLE_FLOAT32BE;
spec.channels = 2;
spec.rate = rate;
pa->stream = pa_stream_new(pa->context, "audio", &spec, NULL);
if (!pa->stream)
goto unlock_error;
pa_stream_set_state_callback(pa->stream, stream_state_cb, pa);
pa_stream_set_write_callback(pa->stream, stream_request_cb, pa);
pa_stream_set_latency_update_callback(pa->stream, stream_latency_update_cb, pa);
pa_stream_set_underflow_callback(pa->stream, underrun_update_cb, pa);
pa_stream_set_buffer_attr_callback(pa->stream, buffer_attr_cb, pa);
buffer_attr.maxlength = -1;
buffer_attr.tlength = pa_usec_to_bytes(latency * PA_USEC_PER_MSEC, &spec);
buffer_attr.prebuf = -1;
buffer_attr.minreq = -1;
buffer_attr.fragsize = -1;
if (pa_stream_connect_playback(pa->stream, NULL, &buffer_attr, PA_STREAM_ADJUST_LATENCY, NULL, NULL) < 0)
goto error;
pa_threaded_mainloop_wait(pa->mainloop);
if (pa_stream_get_state(pa->stream) != PA_STREAM_READY)
goto unlock_error;
server_attr = pa_stream_get_buffer_attr(pa->stream);
if (server_attr)
{
pa->buffer_size = server_attr->tlength;
RARCH_LOG("[PulseAudio]: Requested %u bytes buffer, got %u.\n",
(unsigned)buffer_attr.tlength,
(unsigned)pa->buffer_size);
}
else
pa->buffer_size = buffer_attr.tlength;
pa_threaded_mainloop_unlock(pa->mainloop);
return pa;
unlock_error:
pa_threaded_mainloop_unlock(pa->mainloop);
error:
pulse_free(pa);
return NULL;
}
static int init(int rate_hz, int channels, int format, int flags) {
struct pa_sample_spec ss;
struct pa_channel_map map;
const struct format_map_s *fmt_map;
char *devarg = NULL;
char *host = NULL;
char *sink = NULL;
char *version = pa_get_library_version();
if (ao_subdevice) {
devarg = strdup(ao_subdevice);
sink = strchr(devarg, ':');
if (sink) *sink++ = 0;
if (devarg[0]) host = devarg;
}
broken_pause = 0;
// 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");
broken_pause = 1;
}
ss.channels = channels;
ss.rate = rate_hz;
ao_data.samplerate = rate_hz;
ao_data.channels = channels;
fmt_map = format_maps;
while (fmt_map->mp_format != 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_data.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_data.bps = pa_bytes_per_second(&ss);
pa_cvolume_reset(&volume, ss.channels);
if (!(mainloop = pa_threaded_mainloop_new())) {
mp_msg(MSGT_AO, MSGL_ERR, "AO: [pulse] Failed to allocate main loop\n");
goto fail;
}
if (!(context = pa_context_new(pa_threaded_mainloop_get_api(mainloop), PULSE_CLIENT_NAME))) {
mp_msg(MSGT_AO, MSGL_ERR, "AO: [pulse] Failed to allocate context\n");
goto fail;
}
pa_context_set_state_callback(context, context_state_cb, NULL);
if (pa_context_connect(context, host, 0, NULL) < 0)
goto fail;
pa_threaded_mainloop_lock(mainloop);
if (pa_threaded_mainloop_start(mainloop) < 0)
goto unlock_and_fail;
/* Wait until the context is ready */
pa_threaded_mainloop_wait(mainloop);
if (pa_context_get_state(context) != PA_CONTEXT_READY)
goto unlock_and_fail;
if (!(stream = pa_stream_new(context, "audio stream", &ss, &map)))
goto unlock_and_fail;
pa_stream_set_state_callback(stream, stream_state_cb, NULL);
pa_stream_set_write_callback(stream, stream_request_cb, NULL);
pa_stream_set_latency_update_callback(stream, stream_latency_update_cb, NULL);
if (pa_stream_connect_playback(stream, sink, NULL, PA_STREAM_INTERPOLATE_TIMING|PA_STREAM_AUTO_TIMING_UPDATE, &volume, NULL) < 0)
goto unlock_and_fail;
/* Wait until the stream is ready */
pa_threaded_mainloop_wait(mainloop);
if (pa_stream_get_state(stream) != PA_STREAM_READY)
goto unlock_and_fail;
pa_threaded_mainloop_unlock(mainloop);
free(devarg);
return 1;
unlock_and_fail:
if (mainloop)
pa_threaded_mainloop_unlock(mainloop);
fail:
if (context)
GENERIC_ERR_MSG(context, "Init failed");
free(devarg);
uninit(1);
return 0;
}
