[pulseaudio-discuss] [PATCH 54/56] bluetooth: Process source messages for BlueZ 5 cards
jprvita at gmail.com
jprvita at gmail.com
Fri Jul 12 11:07:09 PDT 2013
From: João Paulo Rechi Vita <jprvita at openbossa.org>
---
src/modules/bluetooth/module-bluez5-device.c | 77 ++++++++++++++++++++++++++++
1 file changed, 77 insertions(+)
diff --git a/src/modules/bluetooth/module-bluez5-device.c b/src/modules/bluetooth/module-bluez5-device.c
index 6b852f8..a5ed128 100644
--- a/src/modules/bluetooth/module-bluez5-device.c
+++ b/src/modules/bluetooth/module-bluez5-device.c
@@ -674,6 +674,82 @@ static void setup_stream(struct userdata *u) {
u->read_smoother = pa_smoother_new(PA_USEC_PER_SEC, 2*PA_USEC_PER_SEC, true, true, 10, pa_rtclock_now(), true);
}
+/* Run from IO thread */
+static int source_process_msg(pa_msgobject *o, int code, void *data, int64_t offset, pa_memchunk *chunk) {
+ struct userdata *u = PA_SOURCE(o)->userdata;
+ bool failed = false;
+ int r;
+
+ pa_assert(u->source == PA_SOURCE(o));
+ pa_assert(u->transport);
+
+ switch (code) {
+
+ case PA_SOURCE_MESSAGE_SET_STATE:
+
+ switch ((pa_source_state_t) PA_PTR_TO_UINT(data)) {
+
+ case PA_SOURCE_SUSPENDED:
+ /* Ignore if transition is PA_SOURCE_INIT->PA_SOURCE_SUSPENDED */
+ if (!PA_SOURCE_IS_OPENED(u->source->thread_info.state))
+ break;
+
+ /* Stop the device if the sink is suspended as well */
+ if (!u->sink || u->sink->state == PA_SINK_SUSPENDED)
+ transport_release(u);
+
+ if (u->read_smoother)
+ pa_smoother_pause(u->read_smoother, pa_rtclock_now());
+
+ break;
+
+ case PA_SOURCE_IDLE:
+ case PA_SOURCE_RUNNING:
+ if (u->source->thread_info.state != PA_SOURCE_SUSPENDED)
+ break;
+
+ /* Resume the device if the sink was suspended as well */
+ if (!u->sink || !PA_SINK_IS_OPENED(u->sink->thread_info.state)) {
+ if (transport_acquire(u, false) < 0)
+ failed = true;
+ else
+ setup_stream(u);
+ }
+
+ /* We don't resume the smoother here. Instead we
+ * wait until the first packet arrives */
+
+ break;
+
+ case PA_SOURCE_UNLINKED:
+ case PA_SOURCE_INIT:
+ case PA_SOURCE_INVALID_STATE:
+ break;
+ }
+
+ break;
+
+ case PA_SOURCE_MESSAGE_GET_LATENCY: {
+ pa_usec_t wi, ri;
+
+ if (u->read_smoother) {
+ wi = pa_smoother_get(u->read_smoother, pa_rtclock_now());
+ ri = pa_bytes_to_usec(u->read_index, &u->sample_spec);
+
+ *((pa_usec_t*) data) = (wi > ri ? wi - ri : 0) + u->source->thread_info.fixed_latency;
+ } else
+ *((pa_usec_t*) data) = 0;
+
+ return 0;
+ }
+
+ }
+
+ r = pa_source_process_msg(o, code, data, offset, chunk);
+
+ return (r < 0 || !failed) ? r : -1;
+}
+
/* Run from main thread */
static int add_source(struct userdata *u) {
pa_source_new_data data;
@@ -710,6 +786,7 @@ static int add_source(struct userdata *u) {
}
u->source->userdata = u;
+ u->source->parent.process_msg = source_process_msg;
return 0;
}
--
1.7.11.7
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