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module-ladspa: allow moving of sink, forward fixed latency

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This commit is contained in:
Lennart Poettering 2009-08-15 01:01:52 +02:00
parent 1b3848ebd7
commit 763866280a
1 changed files with 78 additions and 58 deletions
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136
src/modules/module-ladspa-sink.c
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@ -64,10 +64,9 @@ PA_MODULE_USAGE(
#define MEMBLOCKQ_MAXLENGTH (16*1024*1024)
struct userdata {
pa_core *core;
pa_module *module;
pa_sink *sink, *master;
pa_sink *sink;
pa_sink_input *sink_input;
const LADSPA_Descriptor *descriptor;
@ -105,19 +104,26 @@ 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 in that time. Also, the
* sink input is first shut down, the sink second. */
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);
@ -130,12 +136,11 @@ 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;
}
@ -146,6 +151,10 @@ 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;
/* Just hand this one over to the master sink */
pa_sink_input_request_rewind(u->sink_input, s->thread_info.rewind_nbytes + pa_memblockq_get_length(u->memblockq), TRUE, FALSE, FALSE);
}
@ -157,6 +166,10 @@ 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,
@ -175,9 +188,6 @@ 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);
@ -228,9 +238,6 @@ 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) {
size_t max_rewrite;
@ -266,9 +273,6 @@ 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_memblockq_set_maxrewind(u->memblockq, nbytes);
pa_sink_set_max_rewind_within_thread(u->sink, nbytes);
}
@ -280,9 +284,6 @@ 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);
}
@ -293,12 +294,19 @@ 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_update_sink_fixed_latency_cb(pa_sink_input *i) {
struct userdata *u;
pa_sink_input_assert_ref(i);
pa_assert_se(u = i->userdata);
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;
@ -306,11 +314,8 @@ static void sink_input_detach_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_detach_within_thread(u->sink);
pa_sink_set_asyncmsgq(u->sink, NULL);
pa_sink_set_rtpoll(u->sink, NULL);
}
@ -321,14 +326,13 @@ 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 */
@ -338,13 +342,17 @@ 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_input_unref(u->sink_input);
u->sink_input = NULL;
pa_sink_unref(u->sink);
u->sink = NULL;
pa_sink_input_unref(u->sink_input);
u->sink_input = NULL;
pa_module_unload_request(u->module, TRUE);
}
@ -375,6 +383,16 @@ 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);
}
int pa__init(pa_module*m) {
struct userdata *u;
pa_sample_spec ss;
@ -428,12 +446,8 @@ int pa__init(pa_module*m) {
cdata = pa_modargs_get_value(ma, "control", NULL);
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;
u->memblockq = pa_memblockq_new(0, MEMBLOCKQ_MAXLENGTH, 0, pa_frame_size(&ss), 1, 1, 0, NULL);
if (!(e = getenv("LADSPA_PATH")))
@ -717,7 +731,7 @@ 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) {
@ -732,19 +746,18 @@ 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, "LADSPA 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, &map);
pa_sink_input_new(&u->sink_input, m->core, &sink_input_data, PA_SINK_INPUT_DONT_MOVE);
pa_sink_input_new(&u->sink_input, m->core, &sink_input_data, 0);
pa_sink_input_new_data_done(&sink_input_data);
if (!u->sink_input)
@ -755,11 +768,13 @@ 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->kill = sink_input_kill_cb;
u->sink_input->attach = sink_input_attach_cb;
u->sink_input->detach = sink_input_detach_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);
@ -800,15 +815,20 @@ 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);
for (c = 0; c < u->channels; c++)
if (u->handle[c]) {