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-rw-r--r--src/modules/module-remap-sink.c140
1 files changed, 81 insertions, 59 deletions
diff --git a/src/modules/module-remap-sink.c b/src/modules/module-remap-sink.c
index 119f5b9f..0b4fdc9b 100644
--- a/src/modules/module-remap-sink.c
+++ b/src/modules/module-remap-sink.c
@@ -1,7 +1,7 @@
/***
This file is part of PulseAudio.
- Copyright 2004-2008 Lennart Poettering
+ Copyright 2004-2009 Lennart Poettering
PulseAudio is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published
@@ -48,16 +48,15 @@ PA_MODULE_USAGE(
"master=<name of sink to remap> "
"master_channel_map=<channel map> "
"format=<sample format> "
- "channels=<number of channels> "
"rate=<sample rate> "
+ "channels=<number of channels> "
"channel_map=<channel map> "
"remix=<remix channels?>");
struct userdata {
- pa_core *core;
pa_module *module;
- pa_sink *sink, *master;
+ pa_sink *sink;
pa_sink_input *sink_input;
};
@@ -80,19 +79,24 @@ static int sink_process_msg(pa_msgobject *o, int code, void *data, int64_t offse
switch (code) {
- case PA_SINK_MESSAGE_GET_LATENCY: {
- pa_usec_t usec = 0;
+ case PA_SINK_MESSAGE_GET_LATENCY:
- /* Get the latency of the master sink */
- if (PA_MSGOBJECT(u->master)->process_msg(PA_MSGOBJECT(u->master), PA_SINK_MESSAGE_GET_LATENCY, &usec, 0, NULL) < 0)
- usec = 0;
+ /* The sink is _put() before the sink input is, so let's
+ * make sure we don't access it yet */
+ if (!PA_SINK_IS_LINKED(u->sink->thread_info.state) ||
+ !PA_SINK_INPUT_IS_LINKED(u->sink_input->thread_info.state)) {
+ *((pa_usec_t*) data) = 0;
+ return 0;
+ }
- /* Add the latency internal to our sink input on top */
- usec += pa_bytes_to_usec(pa_memblockq_get_length(u->sink_input->thread_info.render_memblockq), &u->master->sample_spec);
+ *((pa_usec_t*) data) =
+ /* Get the latency of the master sink */
+ pa_sink_get_latency_within_thread(u->sink_input->sink) +
+
+ /* Add the latency internal to our sink input on top */
+ pa_bytes_to_usec(pa_memblockq_get_length(u->sink_input->thread_info.render_memblockq), &u->sink_input->sink->sample_spec);
- *((pa_usec_t*) data) = usec;
return 0;
- }
}
return pa_sink_process_msg(o, code, data, offset, chunk);
@@ -105,12 +109,11 @@ static int sink_set_state(pa_sink *s, pa_sink_state_t state) {
pa_sink_assert_ref(s);
pa_assert_se(u = s->userdata);
- if (PA_SINK_IS_LINKED(state) &&
- u->sink_input &&
- PA_SINK_INPUT_IS_LINKED(pa_sink_input_get_state(u->sink_input)))
-
- pa_sink_input_cork(u->sink_input, state == PA_SINK_SUSPENDED);
+ if (!PA_SINK_IS_LINKED(state) ||
+ !PA_SINK_INPUT_IS_LINKED(pa_sink_input_get_state(u->sink_input)))
+ return 0;
+ pa_sink_input_cork(u->sink_input, state == PA_SINK_SUSPENDED);
return 0;
}
@@ -121,6 +124,10 @@ static void sink_request_rewind(pa_sink *s) {
pa_sink_assert_ref(s);
pa_assert_se(u = s->userdata);
+ if (!PA_SINK_IS_LINKED(u->sink->thread_info.state) ||
+ !PA_SINK_INPUT_IS_LINKED(u->sink_input->thread_info.state))
+ return;
+
pa_sink_input_request_rewind(u->sink_input, s->thread_info.rewind_nbytes, TRUE, FALSE, FALSE);
}
@@ -131,6 +138,10 @@ static void sink_update_requested_latency(pa_sink *s) {
pa_sink_assert_ref(s);
pa_assert_se(u = s->userdata);
+ if (!PA_SINK_IS_LINKED(u->sink->thread_info.state) ||
+ !PA_SINK_INPUT_IS_LINKED(u->sink_input->thread_info.state))
+ return;
+
/* Just hand this one over to the master sink */
pa_sink_input_set_requested_latency_within_thread(
u->sink_input,
@@ -145,8 +156,8 @@ static int sink_input_pop_cb(pa_sink_input *i, size_t nbytes, pa_memchunk *chunk
pa_assert(chunk);
pa_assert_se(u = i->userdata);
- if (!u->sink || !PA_SINK_IS_OPENED(u->sink->thread_info.state))
- return -1;
+ /* Hmm, process any rewind request that might be queued up */
+ pa_sink_process_rewind(u->sink, 0);
pa_sink_render(u->sink, nbytes, chunk);
return 0;
@@ -160,9 +171,6 @@ static void sink_input_process_rewind_cb(pa_sink_input *i, size_t nbytes) {
pa_sink_input_assert_ref(i);
pa_assert_se(u = i->userdata);
- if (!u->sink || !PA_SINK_IS_OPENED(u->sink->thread_info.state))
- return;
-
if (u->sink->thread_info.rewind_nbytes > 0) {
amount = PA_MIN(u->sink->thread_info.rewind_nbytes, nbytes);
u->sink->thread_info.rewind_nbytes = 0;
@@ -178,9 +186,6 @@ static void sink_input_update_max_rewind_cb(pa_sink_input *i, size_t nbytes) {
pa_sink_input_assert_ref(i);
pa_assert_se(u = i->userdata);
- if (!u->sink || !PA_SINK_IS_LINKED(u->sink->thread_info.state))
- return;
-
pa_sink_set_max_rewind_within_thread(u->sink, nbytes);
}
@@ -191,9 +196,6 @@ static void sink_input_update_max_request_cb(pa_sink_input *i, size_t nbytes) {
pa_sink_input_assert_ref(i);
pa_assert_se(u = i->userdata);
- if (!u->sink || !PA_SINK_IS_LINKED(u->sink->thread_info.state))
- return;
-
pa_sink_set_max_request_within_thread(u->sink, nbytes);
}
@@ -204,24 +206,28 @@ static void sink_input_update_sink_latency_range_cb(pa_sink_input *i) {
pa_sink_input_assert_ref(i);
pa_assert_se(u = i->userdata);
- if (!u->sink || !PA_SINK_IS_LINKED(u->sink->thread_info.state))
- return;
-
pa_sink_set_latency_range_within_thread(u->sink, i->sink->thread_info.min_latency, i->sink->thread_info.max_latency);
}
/* Called from I/O thread context */
-static void sink_input_detach_cb(pa_sink_input *i) {
+static void sink_input_update_sink_fixed_latency_cb(pa_sink_input *i) {
struct userdata *u;
pa_sink_input_assert_ref(i);
pa_assert_se(u = i->userdata);
- if (!u->sink || !PA_SINK_IS_LINKED(u->sink->thread_info.state))
- return;
+ pa_sink_set_fixed_latency_within_thread(u->sink, i->sink->thread_info.fixed_latency);
+}
+
+/* Called from I/O thread context */
+static void sink_input_detach_cb(pa_sink_input *i) {
+ struct userdata *u;
+
+ pa_sink_input_assert_ref(i);
+ pa_assert_se(u = i->userdata);
pa_sink_detach_within_thread(u->sink);
- pa_sink_set_asyncmsgq(u->sink, NULL);
+
pa_sink_set_rtpoll(u->sink, NULL);
}
@@ -232,14 +238,13 @@ static void sink_input_attach_cb(pa_sink_input *i) {
pa_sink_input_assert_ref(i);
pa_assert_se(u = i->userdata);
- if (!u->sink || !PA_SINK_IS_LINKED(u->sink->thread_info.state))
- return;
+ pa_sink_set_rtpoll(u->sink, i->sink->thread_info.rtpoll);
+ pa_sink_set_latency_range_within_thread(u->sink, i->sink->thread_info.min_latency, i->sink->thread_info.max_latency);
+ pa_sink_set_fixed_latency_within_thread(u->sink, i->sink->thread_info.fixed_latency);
+ pa_sink_set_max_request_within_thread(u->sink, pa_sink_input_get_max_request(i));
+ pa_sink_set_max_rewind_within_thread(u->sink, pa_sink_input_get_max_rewind(i));
- pa_sink_set_asyncmsgq(u->sink, i->sink->asyncmsgq);
- pa_sink_set_rtpoll(u->sink, i->sink->rtpoll);
pa_sink_attach_within_thread(u->sink);
-
- pa_sink_set_latency_range_within_thread(u->sink, u->master->thread_info.min_latency, u->master->thread_info.max_latency);
}
/* Called from main context */
@@ -249,14 +254,18 @@ static void sink_input_kill_cb(pa_sink_input *i) {
pa_sink_input_assert_ref(i);
pa_assert_se(u = i->userdata);
- pa_sink_unlink(u->sink);
+ /* The order here matters! We first kill the sink input, followed
+ * by the sink. That means the sink callbacks must be protected
+ * against an unconnected sink input! */
pa_sink_input_unlink(u->sink_input);
+ pa_sink_unlink(u->sink);
- pa_sink_unref(u->sink);
- u->sink = NULL;
pa_sink_input_unref(u->sink_input);
u->sink_input = NULL;
+ pa_sink_unref(u->sink);
+ u->sink = NULL;
+
pa_module_unload_request(u->module, TRUE);
}
@@ -286,6 +295,17 @@ static pa_bool_t sink_input_may_move_to_cb(pa_sink_input *i, pa_sink *dest) {
return u->sink != dest;
}
+/* Called from main context */
+static void sink_input_moving_cb(pa_sink_input *i, pa_sink *dest) {
+ struct userdata *u;
+
+ pa_sink_input_assert_ref(i);
+ pa_assert_se(u = i->userdata);
+
+ pa_sink_set_asyncmsgq(u->sink, dest->asyncmsgq);
+ pa_sink_update_flags(u->sink, PA_SINK_LATENCY|PA_SINK_DYNAMIC_LATENCY, dest->flags);
+}
+
int pa__init(pa_module*m) {
struct userdata *u;
pa_sample_spec ss;
@@ -336,12 +356,8 @@ int pa__init(pa_module*m) {
}
u = pa_xnew0(struct userdata, 1);
- u->core = m->core;
u->module = m;
m->userdata = u;
- u->master = master;
- u->sink = NULL;
- u->sink_input = NULL;
/* Create sink */
pa_sink_new_data_init(&sink_data);
@@ -362,7 +378,7 @@ int pa__init(pa_module*m) {
goto fail;
}
- u->sink = pa_sink_new(m->core, &sink_data, PA_SINK_LATENCY|PA_SINK_DYNAMIC_LATENCY);
+ u->sink = pa_sink_new(m->core, &sink_data, master->flags & (PA_SINK_LATENCY|PA_SINK_DYNAMIC_LATENCY));
pa_sink_new_data_done(&sink_data);
if (!u->sink) {
@@ -377,19 +393,18 @@ int pa__init(pa_module*m) {
u->sink->userdata = u;
pa_sink_set_asyncmsgq(u->sink, master->asyncmsgq);
- pa_sink_set_rtpoll(u->sink, master->rtpoll);
/* Create sink input */
pa_sink_input_new_data_init(&sink_input_data);
sink_input_data.driver = __FILE__;
sink_input_data.module = m;
- sink_input_data.sink = u->master;
+ sink_input_data.sink = master;
pa_proplist_sets(sink_input_data.proplist, PA_PROP_MEDIA_NAME, "Remapped Stream");
pa_proplist_sets(sink_input_data.proplist, PA_PROP_MEDIA_ROLE, "filter");
pa_sink_input_new_data_set_sample_spec(&sink_input_data, &ss);
pa_sink_input_new_data_set_channel_map(&sink_input_data, &stream_map);
- pa_sink_input_new(&u->sink_input, m->core, &sink_input_data, PA_SINK_INPUT_DONT_MOVE | (remix ? 0 : PA_SINK_INPUT_NO_REMIX));
+ pa_sink_input_new(&u->sink_input, m->core, &sink_input_data, (remix ? 0 : PA_SINK_INPUT_NO_REMIX));
pa_sink_input_new_data_done(&sink_input_data);
if (!u->sink_input)
@@ -400,11 +415,13 @@ int pa__init(pa_module*m) {
u->sink_input->update_max_rewind = sink_input_update_max_rewind_cb;
u->sink_input->update_max_request = sink_input_update_max_request_cb;
u->sink_input->update_sink_latency_range = sink_input_update_sink_latency_range_cb;
+ u->sink_input->update_sink_fixed_latency = sink_input_update_sink_fixed_latency_cb;
u->sink_input->attach = sink_input_attach_cb;
u->sink_input->detach = sink_input_detach_cb;
u->sink_input->kill = sink_input_kill_cb;
u->sink_input->state_change = sink_input_state_change_cb;
u->sink_input->may_move_to = sink_input_may_move_to_cb;
+ u->sink_input->moving = sink_input_moving_cb;
u->sink_input->userdata = u;
pa_sink_put(u->sink);
@@ -440,15 +457,20 @@ void pa__done(pa_module*m) {
if (!(u = m->userdata))
return;
- if (u->sink) {
- pa_sink_unlink(u->sink);
- pa_sink_unref(u->sink);
- }
+ /* See comments in sink_input_kill_cb() above regarding
+ * destruction order! */
- if (u->sink_input) {
+ if (u->sink_input)
pa_sink_input_unlink(u->sink_input);
+
+ if (u->sink)
+ pa_sink_unlink(u->sink);
+
+ if (u->sink_input)
pa_sink_input_unref(u->sink_input);
- }
+
+ if (u->sink)
+ pa_sink_unref(u->sink);
pa_xfree(u);
}