From: João Paulo Rechi Vita <[email protected]>
---
src/modules/bluetooth/module-bluez5-device.c | 75 ++++++++++++++++++++++++++++
1 file changed, 75 insertions(+)
diff --git a/src/modules/bluetooth/module-bluez5-device.c
b/src/modules/bluetooth/module-bluez5-device.c
index 4f2fbd8..27ff721 100644
--- a/src/modules/bluetooth/module-bluez5-device.c
+++ b/src/modules/bluetooth/module-bluez5-device.c
@@ -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;
}
--
1.8.3.1
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