static void pulse_stop_playback(ALCdevice *device) //{{{
{
pulse_data *data = device->ExtraData;
if(!data->stream)
return;
data->killNow = AL_TRUE;
if(data->thread)
{
pa_threaded_mainloop_signal(data->loop, 0);
StopThread(data->thread);
data->thread = NULL;
}
data->killNow = AL_FALSE;
pa_threaded_mainloop_lock(data->loop);
#if PA_CHECK_VERSION(0,9,15)
if(pa_stream_set_buffer_attr_callback)
pa_stream_set_buffer_attr_callback(data->stream, NULL, NULL);
#endif
pa_stream_set_moved_callback(data->stream, NULL, NULL);
pa_stream_set_write_callback(data->stream, NULL, NULL);
pa_stream_set_underflow_callback(data->stream, NULL, NULL);
pa_stream_disconnect(data->stream);
pa_stream_unref(data->stream);
data->stream = NULL;
pa_threaded_mainloop_unlock(data->loop);
} //}}}
static void pulse_close(ALCdevice *device)
{
pulse_data *data = device->ExtraData;
pa_threaded_mainloop_lock(data->loop);
if(data->stream)
{
#if PA_CHECK_VERSION(0,9,15)
if(pa_stream_set_buffer_attr_callback)
pa_stream_set_buffer_attr_callback(data->stream, NULL, NULL);
#endif
pa_stream_disconnect(data->stream);
pa_stream_unref(data->stream);
}
pa_context_disconnect(data->context);
pa_context_unref(data->context);
pa_threaded_mainloop_unlock(data->loop);
pa_threaded_mainloop_stop(data->loop);
pa_threaded_mainloop_free(data->loop);
free(data->device_name);
device->ExtraData = NULL;
pa_xfree(data);
}
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;
}
// 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;
}
}
/* This is called whenever the context status changes */
static void context_state_callback(pa_context *c, void *userdata) {
pa_assert(c);
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_buffer_attr buffer_attr;
pa_assert(c);
pa_assert(!stream);
if (verbose)
pa_log(_("Connection established.%s"), CLEAR_LINE);
if (!(stream = pa_stream_new_with_proplist(c, NULL, &sample_spec, &channel_map, proplist))) {
pa_log(_("pa_stream_new() failed: %s"), pa_strerror(pa_context_errno(c)));
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;
if (latency_msec > 0) {
buffer_attr.fragsize = buffer_attr.tlength = pa_usec_to_bytes(latency_msec * PA_USEC_PER_MSEC, &sample_spec);
flags |= PA_STREAM_ADJUST_LATENCY;
} else if (latency > 0) {
buffer_attr.fragsize = buffer_attr.tlength = (uint32_t) latency;
flags |= PA_STREAM_ADJUST_LATENCY;
} else
buffer_attr.fragsize = buffer_attr.tlength = (uint32_t) -1;
if (process_time_msec > 0) {
buffer_attr.minreq = pa_usec_to_bytes(process_time_msec * PA_USEC_PER_MSEC, &sample_spec);
} else if (process_time > 0)
buffer_attr.minreq = (uint32_t) process_time;
else
buffer_attr.minreq = (uint32_t) -1;
if (mode == PLAYBACK) {
pa_cvolume cv;
if (pa_stream_connect_playback(stream, device, &buffer_attr, flags, volume_is_set ? pa_cvolume_set(&cv, sample_spec.channels, volume) : NULL, NULL) < 0) {
pa_log(_("pa_stream_connect_playback() failed: %s"), pa_strerror(pa_context_errno(c)));
goto fail;
}
} else {
if (pa_stream_connect_record(stream, device, latency > 0 ? &buffer_attr : NULL, flags) < 0) {
pa_log(_("pa_stream_connect_record() failed: %s"), pa_strerror(pa_context_errno(c)));
goto fail;
}
}
break;
}
case PA_CONTEXT_TERMINATED:
quit(0);
break;
case PA_CONTEXT_FAILED:
default:
pa_log(_("Connection failure: %s"), pa_strerror(pa_context_errno(c)));
goto fail;
}
return;
fail:
quit(1);
}
static ALCboolean pulse_reset_playback(ALCdevice *device) //{{{
{
pulse_data *data = device->ExtraData;
pa_stream_flags_t flags = 0;
pa_channel_map chanmap;
pa_threaded_mainloop_lock(data->loop);
if(!(device->Flags&DEVICE_CHANNELS_REQUEST))
{
pa_operation *o;
o = pa_context_get_sink_info_by_name(data->context, data->device_name, sink_info_callback, device);
while(pa_operation_get_state(o) == PA_OPERATION_RUNNING)
pa_threaded_mainloop_wait(data->loop);
pa_operation_unref(o);
}
if(!(device->Flags&DEVICE_FREQUENCY_REQUEST))
flags |= PA_STREAM_FIX_RATE;
data->frame_size = FrameSizeFromDevFmt(device->FmtChans, device->FmtType);
data->attr.prebuf = -1;
data->attr.fragsize = -1;
data->attr.minreq = device->UpdateSize * data->frame_size;
data->attr.tlength = data->attr.minreq * maxu(device->NumUpdates, 2);
data->attr.maxlength = -1;
flags |= PA_STREAM_EARLY_REQUESTS;
flags |= PA_STREAM_INTERPOLATE_TIMING | PA_STREAM_AUTO_TIMING_UPDATE;
switch(device->FmtType)
{
case DevFmtByte:
device->FmtType = DevFmtUByte;
/* fall-through */
case DevFmtUByte:
data->spec.format = PA_SAMPLE_U8;
break;
case DevFmtUShort:
device->FmtType = DevFmtShort;
/* fall-through */
case DevFmtShort:
data->spec.format = PA_SAMPLE_S16NE;
break;
case DevFmtFloat:
data->spec.format = PA_SAMPLE_FLOAT32NE;
break;
}
data->spec.rate = device->Frequency;
data->spec.channels = ChannelsFromDevFmt(device->FmtChans);
if(pa_sample_spec_valid(&data->spec) == 0)
{
ERR("Invalid sample format\n");
pa_threaded_mainloop_unlock(data->loop);
return ALC_FALSE;
}
if(!pa_channel_map_init_auto(&chanmap, data->spec.channels, PA_CHANNEL_MAP_WAVEEX))
{
ERR("Couldn't build map for channel count (%d)!\n", data->spec.channels);
pa_threaded_mainloop_unlock(data->loop);
return ALC_FALSE;
}
SetDefaultWFXChannelOrder(device);
data->stream = connect_playback_stream(device, flags, &data->attr, &data->spec, &chanmap);
if(!data->stream)
{
pa_threaded_mainloop_unlock(data->loop);
return ALC_FALSE;
}
pa_stream_set_state_callback(data->stream, stream_state_callback2, device);
data->spec = *(pa_stream_get_sample_spec(data->stream));
if(device->Frequency != data->spec.rate)
{
pa_operation *o;
if((device->Flags&DEVICE_FREQUENCY_REQUEST))
ERR("Failed to set frequency %dhz, got %dhz instead\n", device->Frequency, data->spec.rate);
device->Flags &= ~DEVICE_FREQUENCY_REQUEST;
/* Server updated our playback rate, so modify the buffer attribs
* accordingly. */
data->attr.minreq = (ALuint64)(data->attr.minreq/data->frame_size) *
data->spec.rate / device->Frequency * data->frame_size;
data->attr.tlength = data->attr.minreq * maxu(device->NumUpdates, 2);
o = pa_stream_set_buffer_attr(data->stream, &data->attr,
stream_success_callback, device);
while(pa_operation_get_state(o) == PA_OPERATION_RUNNING)
pa_threaded_mainloop_wait(data->loop);
pa_operation_unref(o);
device->Frequency = data->spec.rate;
}
#if PA_CHECK_VERSION(0,9,15)
if(pa_stream_set_buffer_attr_callback)
pa_stream_set_buffer_attr_callback(data->stream, stream_buffer_attr_callback, device);
#endif
pa_stream_set_moved_callback(data->stream, stream_device_callback, device);
pa_stream_set_write_callback(data->stream, stream_write_callback, device);
pa_stream_set_underflow_callback(data->stream, stream_signal_callback, device);
data->attr = *(pa_stream_get_buffer_attr(data->stream));
ERR("PulseAudio returned minreq=%d, tlength=%d\n", data->attr.minreq, data->attr.tlength);
device->UpdateSize = data->attr.minreq / data->frame_size;
device->NumUpdates = (data->attr.tlength/data->frame_size) / device->UpdateSize;
while(device->NumUpdates <= 2)
{
pa_operation *o;
ERR("minreq too high - expect lag or break up\n");
/* Server gave a comparatively large minreq, so modify the tlength. */
device->NumUpdates = 2;
data->attr.tlength = data->attr.minreq * device->NumUpdates;
o = pa_stream_set_buffer_attr(data->stream, &data->attr,
stream_success_callback, device);
while(pa_operation_get_state(o) == PA_OPERATION_RUNNING)
pa_threaded_mainloop_wait(data->loop);
pa_operation_unref(o);
data->attr = *(pa_stream_get_buffer_attr(data->stream));
ERR("PulseAudio returned minreq=%d, tlength=%d", data->attr.minreq, data->attr.tlength);
device->UpdateSize = data->attr.minreq / data->frame_size;
device->NumUpdates = (data->attr.tlength/data->frame_size) / device->UpdateSize;
}
data->thread = StartThread(PulseProc, device);
if(!data->thread)
{
#if PA_CHECK_VERSION(0,9,15)
if(pa_stream_set_buffer_attr_callback)
pa_stream_set_buffer_attr_callback(data->stream, NULL, NULL);
#endif
pa_stream_set_moved_callback(data->stream, NULL, NULL);
pa_stream_set_write_callback(data->stream, NULL, NULL);
pa_stream_set_underflow_callback(data->stream, NULL, NULL);
pa_stream_disconnect(data->stream);
pa_stream_unref(data->stream);
data->stream = NULL;
pa_threaded_mainloop_unlock(data->loop);
return ALC_FALSE;
}
pa_threaded_mainloop_unlock(data->loop);
return ALC_TRUE;
} //}}}
static void context_state_cb(pa_context *c, void *userdata) {
struct userdata *u = userdata;
pa_assert(u);
switch (pa_context_get_state(c)) {
case PA_CONTEXT_UNCONNECTED:
case PA_CONTEXT_CONNECTING:
case PA_CONTEXT_AUTHORIZING:
case PA_CONTEXT_SETTING_NAME:
break;
case PA_CONTEXT_READY: {
pa_proplist *proplist;
pa_buffer_attr bufferattr;
pa_usec_t requested_latency;
char *username = pa_get_user_name_malloc();
char *hostname = pa_get_host_name_malloc();
/* TODO: old tunnel put here the remote sink_name into stream name e.g. 'Null Output for lynxis@lazus' */
char *stream_name = pa_sprintf_malloc(_("Tunnel for %s@%s"), username, hostname);
pa_xfree(hostname);
pa_xfree(username);
pa_log_debug("Connection successful. Creating stream.");
pa_assert(!u->stream);
proplist = tunnel_new_proplist(u);
if(u->transcode.encoding != -1) {
unsigned int n_formats = 1;
pa_format_info *formats[1];
formats[0] = pa_format_info_new();
formats[0]->encoding = u->transcode.encoding;
pa_format_info_set_sample_format(formats[0], u->sink->sample_spec.format);
pa_format_info_set_rate(formats[0], u->sink->sample_spec.rate);
pa_format_info_set_channels(formats[0], u->sink->sample_spec.channels);
pa_format_info_set_channel_map(formats[0], &u->sink->channel_map);
pa_transcode_set_format_info(&u->transcode, formats[0]);
u->stream = pa_stream_new_extended(u->context, stream_name, formats, n_formats, proplist);
}
else
u->stream = pa_stream_new_with_proplist(u->context,
stream_name,
&u->sink->sample_spec,
&u->sink->channel_map,
proplist);
pa_proplist_free(proplist);
pa_xfree(stream_name);
if (!u->stream) {
pa_log_error("Could not create a stream.");
u->thread_mainloop_api->quit(u->thread_mainloop_api, TUNNEL_THREAD_FAILED_MAINLOOP);
return;
}
requested_latency = pa_sink_get_requested_latency_within_thread(u->sink);
if (requested_latency == (pa_usec_t) -1)
requested_latency = u->sink->thread_info.max_latency;
reset_bufferattr(&bufferattr);
bufferattr.tlength = pa_usec_to_bytes(requested_latency, &u->sink->sample_spec);
pa_stream_set_state_callback(u->stream, stream_state_cb, userdata);
pa_stream_set_buffer_attr_callback(u->stream, stream_changed_buffer_attr_cb, userdata);
if (pa_stream_connect_playback(u->stream,
u->remote_sink_name,
&bufferattr,
PA_STREAM_INTERPOLATE_TIMING | PA_STREAM_DONT_MOVE | PA_STREAM_START_CORKED | PA_STREAM_AUTO_TIMING_UPDATE,
NULL,
NULL) < 0) {
pa_log_error("Could not connect stream.");
u->thread_mainloop_api->quit(u->thread_mainloop_api, TUNNEL_THREAD_FAILED_MAINLOOP);
}
u->connected = true;
break;
}
case PA_CONTEXT_FAILED:
pa_log_debug("Context failed: %s.", pa_strerror(pa_context_errno(u->context)));
u->connected = false;
u->thread_mainloop_api->quit(u->thread_mainloop_api, TUNNEL_THREAD_FAILED_MAINLOOP);
break;
case PA_CONTEXT_TERMINATED:
pa_log_debug("Context terminated.");
u->connected = false;
u->thread_mainloop_api->quit(u->thread_mainloop_api, TUNNEL_THREAD_FAILED_MAINLOOP);
break;
}
}
static ALCboolean pulse_reset_playback(ALCdevice *device)
{
pulse_data *data = device->ExtraData;
pa_stream_flags_t flags = 0;
pa_channel_map chanmap;
pa_threaded_mainloop_lock(data->loop);
if(data->stream)
{
#if PA_CHECK_VERSION(0,9,15)
if(pa_stream_set_buffer_attr_callback)
pa_stream_set_buffer_attr_callback(data->stream, NULL, NULL);
#endif
pa_stream_disconnect(data->stream);
pa_stream_unref(data->stream);
data->stream = NULL;
}
if(!(device->Flags&DEVICE_CHANNELS_REQUEST))
{
pa_operation *o;
o = pa_context_get_sink_info_by_name(data->context, data->device_name, sink_info_callback, device);
WAIT_FOR_OPERATION(o, data->loop);
}
if(!(device->Flags&DEVICE_FREQUENCY_REQUEST))
flags |= PA_STREAM_FIX_RATE;
flags |= PA_STREAM_INTERPOLATE_TIMING | PA_STREAM_AUTO_TIMING_UPDATE;
flags |= PA_STREAM_ADJUST_LATENCY;
flags |= PA_STREAM_START_CORKED;
flags |= PA_STREAM_DONT_MOVE;
switch(device->FmtType)
{
case DevFmtByte:
device->FmtType = DevFmtUByte;
/* fall-through */
case DevFmtUByte:
data->spec.format = PA_SAMPLE_U8;
break;
case DevFmtUShort:
device->FmtType = DevFmtShort;
/* fall-through */
case DevFmtShort:
data->spec.format = PA_SAMPLE_S16NE;
break;
case DevFmtUInt:
device->FmtType = DevFmtInt;
/* fall-through */
case DevFmtInt:
data->spec.format = PA_SAMPLE_S32NE;
break;
case DevFmtFloat:
data->spec.format = PA_SAMPLE_FLOAT32NE;
break;
}
data->spec.rate = device->Frequency;
data->spec.channels = ChannelsFromDevFmt(device->FmtChans);
if(pa_sample_spec_valid(&data->spec) == 0)
{
ERR("Invalid sample format\n");
pa_threaded_mainloop_unlock(data->loop);
return ALC_FALSE;
}
if(!pa_channel_map_init_auto(&chanmap, data->spec.channels, PA_CHANNEL_MAP_WAVEEX))
{
ERR("Couldn't build map for channel count (%d)!\n", data->spec.channels);
pa_threaded_mainloop_unlock(data->loop);
return ALC_FALSE;
}
SetDefaultWFXChannelOrder(device);
data->attr.fragsize = -1;
data->attr.prebuf = 0;
data->attr.minreq = device->UpdateSize * pa_frame_size(&data->spec);
data->attr.tlength = data->attr.minreq * maxu(device->NumUpdates, 2);
data->attr.maxlength = -1;
data->stream = connect_playback_stream(data->device_name, data->loop,
data->context, flags, &data->attr,
&data->spec, &chanmap);
if(!data->stream)
{
pa_threaded_mainloop_unlock(data->loop);
return ALC_FALSE;
}
pa_stream_set_state_callback(data->stream, stream_state_callback2, device);
data->spec = *(pa_stream_get_sample_spec(data->stream));
if(device->Frequency != data->spec.rate)
{
pa_operation *o;
/* Server updated our playback rate, so modify the buffer attribs
* accordingly. */
data->attr.minreq = (ALuint64)device->UpdateSize * data->spec.rate /
device->Frequency * pa_frame_size(&data->spec);
data->attr.tlength = data->attr.minreq * maxu(device->NumUpdates, 2);
data->attr.prebuf = 0;
o = pa_stream_set_buffer_attr(data->stream, &data->attr,
stream_success_callback, device);
WAIT_FOR_OPERATION(o, data->loop);
device->Frequency = data->spec.rate;
}
#if PA_CHECK_VERSION(0,9,15)
if(pa_stream_set_buffer_attr_callback)
pa_stream_set_buffer_attr_callback(data->stream, stream_buffer_attr_callback, device);
#endif
stream_buffer_attr_callback(data->stream, device);
device->NumUpdates = device->UpdateSize*device->NumUpdates /
(data->attr.minreq/pa_frame_size(&data->spec));
device->NumUpdates = maxu(device->NumUpdates, 2);
device->UpdateSize = data->attr.minreq / pa_frame_size(&data->spec);
pa_threaded_mainloop_unlock(data->loop);
return ALC_TRUE;
}
static int Open(vlc_object_t *obj)
{
demux_t *demux = (demux_t *)obj;
demux_sys_t *sys = malloc(sizeof (*sys));
if (unlikely(sys == NULL))
return VLC_ENOMEM;
sys->context = vlc_pa_connect(obj, &sys->mainloop);
if (sys->context == NULL) {
free(sys);
return VLC_EGENERIC;
}
sys->stream = NULL;
sys->es = NULL;
sys->discontinuity = false;
sys->caching = INT64_C(1000) * var_InheritInteger(obj, "live-caching");
demux->p_sys = sys;
/* Stream parameters */
struct pa_sample_spec ss;
ss.format = PA_SAMPLE_S16NE;
ss.rate = 48000;
ss.channels = 2;
assert(pa_sample_spec_valid(&ss));
struct pa_channel_map map;
map.channels = 2;
map.map[0] = PA_CHANNEL_POSITION_FRONT_LEFT;
map.map[1] = PA_CHANNEL_POSITION_FRONT_RIGHT;
assert(pa_channel_map_valid(&map));
const pa_stream_flags_t flags = PA_STREAM_INTERPOLATE_TIMING
| PA_STREAM_AUTO_TIMING_UPDATE
| PA_STREAM_ADJUST_LATENCY
| PA_STREAM_FIX_FORMAT
| PA_STREAM_FIX_RATE
/*| PA_STREAM_FIX_CHANNELS*/;
const char *dev = NULL;
if (demux->psz_location != NULL && demux->psz_location[0] != '\0')
dev = demux->psz_location;
struct pa_buffer_attr attr = {
.maxlength = -1,
.fragsize = pa_usec_to_bytes(sys->caching, &ss) / 2,
};
es_format_t fmt;
/* Create record stream */
pa_stream *s;
pa_operation *op;
pa_threaded_mainloop_lock(sys->mainloop);
s = pa_stream_new(sys->context, "audio stream", &ss, &map);
if (s == NULL)
goto error;
sys->stream = s;
pa_stream_set_state_callback(s, stream_state_cb, sys->mainloop);
pa_stream_set_read_callback(s, stream_read_cb, demux);
pa_stream_set_buffer_attr_callback(s, stream_buffer_attr_cb, demux);
pa_stream_set_moved_callback(s, stream_moved_cb, demux);
pa_stream_set_overflow_callback(s, stream_overflow_cb, demux);
pa_stream_set_started_callback(s, stream_started_cb, demux);
pa_stream_set_suspended_callback(s, stream_suspended_cb, demux);
pa_stream_set_underflow_callback(s, stream_underflow_cb, demux);
if (pa_stream_connect_record(s, dev, &attr, flags) < 0
|| stream_wait(s, sys->mainloop)) {
vlc_pa_error(obj, "cannot connect record stream", sys->context);
goto error;
}
/* The ES should be initialized before stream_read_cb(), but how? */
const struct pa_sample_spec *pss = pa_stream_get_sample_spec(s);
if ((unsigned)pss->format >= sizeof (fourccs) / sizeof (fourccs[0])) {
msg_Err(obj, "unknown PulseAudio sample format %u",
(unsigned)pss->format);
goto error;
}
vlc_fourcc_t format = fourccs[pss->format];
if (format == 0) { /* FIXME: should renegotiate something else */
msg_Err(obj, "unsupported PulseAudio sample format %u",
(unsigned)pss->format);
goto error;
}
es_format_Init(&fmt, AUDIO_ES, format);
fmt.audio.i_physical_channels = fmt.audio.i_original_channels =
AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT;
fmt.audio.i_channels = ss.channels;
fmt.audio.i_rate = pss->rate;
fmt.audio.i_bitspersample = aout_BitsPerSample(format);
fmt.audio.i_blockalign = fmt.audio.i_bitspersample * ss.channels / 8;
fmt.i_bitrate = fmt.audio.i_bitspersample * ss.channels * pss->rate;
sys->framesize = fmt.audio.i_blockalign;
sys->es = es_out_Add (demux->out, &fmt);
/* Update the buffer attributes according to actual format */
attr.fragsize = pa_usec_to_bytes(sys->caching, pss) / 2;
op = pa_stream_set_buffer_attr(s, &attr, stream_success_cb, sys->mainloop);
if (likely(op != NULL)) {
while (pa_operation_get_state(op) == PA_OPERATION_RUNNING)
pa_threaded_mainloop_wait(sys->mainloop);
pa_operation_unref(op);
}
stream_buffer_attr_cb(s, demux);
pa_threaded_mainloop_unlock(sys->mainloop);
demux->pf_demux = NULL;
demux->pf_control = Control;
return VLC_SUCCESS;
error:
pa_threaded_mainloop_unlock(sys->mainloop);
Close(obj);
return VLC_EGENERIC;
}
static void Close (vlc_object_t *obj)
{
demux_t *demux = (demux_t *)obj;
demux_sys_t *sys = demux->p_sys;
pa_stream *s = sys->stream;
if (likely(s != NULL)) {
pa_threaded_mainloop_lock(sys->mainloop);
pa_stream_disconnect(s);
pa_stream_set_state_callback(s, NULL, NULL);
pa_stream_set_read_callback(s, NULL, NULL);
pa_stream_set_buffer_attr_callback(s, NULL, NULL);
pa_stream_set_moved_callback(s, NULL, NULL);
pa_stream_set_overflow_callback(s, NULL, NULL);
pa_stream_set_started_callback(s, NULL, NULL);
pa_stream_set_suspended_callback(s, NULL, NULL);
pa_stream_set_underflow_callback(s, NULL, NULL);
pa_stream_unref(s);
pa_threaded_mainloop_unlock(sys->mainloop);
}
vlc_pa_disconnect(obj, sys->context, sys->mainloop);
free(sys);
}
