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bluetooth: Process sink messages for BlueZ 5 cards

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This commit is contained in:
João Paulo Rechi Vita 2013-09-24 19:45:52 -03:00 • committed by Tanu Kaskinen
parent eb9813c833
commit 05366fdc22
1 changed files with 75 additions and 0 deletions
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75
src/modules/bluetooth/module-bluez5-device.c
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@ -700,6 +700,80 @@ static int add_source(struct userdata *u) {
return 0;
}
/* Run from IO thread */
static int sink_process_msg(pa_msgobject *o, int code, void *data, int64_t offset, pa_memchunk *chunk) {
struct userdata *u = PA_SINK(o)->userdata;
bool failed = false;
int r;
pa_assert(u->sink == PA_SINK(o));
pa_assert(u->transport);
switch (code) {
case PA_SINK_MESSAGE_SET_STATE:
switch ((pa_sink_state_t) PA_PTR_TO_UINT(data)) {
case PA_SINK_SUSPENDED:
/* Ignore if transition is PA_SINK_INIT->PA_SINK_SUSPENDED */
if (!PA_SINK_IS_OPENED(u->sink->thread_info.state))
break;
/* Stop the device if the source is suspended as well */
if (!u->source || u->source->state == PA_SOURCE_SUSPENDED)
/* We deliberately ignore whether stopping
* actually worked. Since the stream_fd is
* closed it doesn't really matter */
transport_release(u);
break;
case PA_SINK_IDLE:
case PA_SINK_RUNNING:
if (u->sink->thread_info.state != PA_SINK_SUSPENDED)
break;
/* Resume the device if the source was suspended as well */
if (!u->source || !PA_SOURCE_IS_OPENED(u->source->thread_info.state)) {
if (transport_acquire(u, false) < 0)
failed = true;
else
setup_stream(u);
}
break;
case PA_SINK_UNLINKED:
case PA_SINK_INIT:
case PA_SINK_INVALID_STATE:
break;
}
break;
case PA_SINK_MESSAGE_GET_LATENCY: {
pa_usec_t wi, ri;
if (u->read_smoother) {
ri = pa_smoother_get(u->read_smoother, pa_rtclock_now());
wi = pa_bytes_to_usec(u->write_index + u->write_block_size, &u->sample_spec);
} else {
ri = pa_rtclock_now() - u->started_at;
wi = pa_bytes_to_usec(u->write_index, &u->sample_spec);
}
*((pa_usec_t*) data) = FIXED_LATENCY_PLAYBACK_A2DP + wi > ri ? FIXED_LATENCY_PLAYBACK_A2DP + wi - ri : 0;
return 0;
}
}
r = pa_sink_process_msg(o, code, data, offset, chunk);
return (r < 0 || !failed) ? r : -1;
}
/* Run from main thread */
static int add_sink(struct userdata *u) {
pa_sink_new_data data;
@ -735,6 +809,7 @@ static int add_sink(struct userdata *u) {
}
u->sink->userdata = u;
u->sink->parent.process_msg = sink_process_msg;
return 0;
}