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jack-tunnel: use cycle_wait/cycle_signal

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Use cycle_wait and cycle_signal so that we can avoid using a semaphore
and resume the jack graph right after we finish the pipewire graph.
This commit is contained in:
Wim Taymans 2023-05-03 11:51:13 +02:00
parent bcbb6e42e7
commit ea1385ffe0
1 changed files with 50 additions and 63 deletions
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49
src/modules/module-jack-tunnel.c
View file

@ -116,8 +116,6 @@ struct impl {
struct pw_loop *main_loop;
struct spa_system *system;
sem_t sem;
#define MODE_SINK (1<<0)
#define MODE_SOURCE (1<<1)
#define MODE_DUPLEX (MODE_SINK|MODE_SOURCE)
@ -231,7 +229,7 @@ static void sink_stream_process(void *d)
done:
pw_log_trace_fp("done %u", impl->frames);
impl->done = true;
sem_post(&impl->sem);
jack_cycle_signal(impl->client, 0);
}
static void source_stream_process(void *d)
@ -420,10 +418,14 @@ static int create_streams(struct impl *impl)
return 0;
}
static int jack_process(jack_nframes_t nframes, void *arg)
static void *jack_process_thread(void *arg)
{
struct impl *impl = arg;
bool source_running, sink_running;
jack_nframes_t nframes;
while (true) {
nframes = jack_cycle_wait (impl->client);
source_running = impl->source_running;
sink_running = impl->sink_running;
@ -433,6 +435,11 @@ static int jack_process(jack_nframes_t nframes, void *arg)
pw_log_trace_fp("process %d %u %u %p %d", nframes, source_running,
sink_running, impl->position, impl->frames);
if (impl->new_xrun) {
pw_log_warn("Xrun JACK:%u PipeWire:%u", impl->jack_xrun, impl->pw_xrun);
impl->new_xrun = false;
}
if (impl->position) {
struct spa_io_clock *c = &impl->position->clock;
jack_nframes_t current_frames;
@ -461,35 +468,23 @@ static int jack_process(jack_nframes_t nframes, void *arg)
impl->nframes = nframes;
if (sink_running && source_running) {
while (sem_trywait(&impl->sem) == 0);
impl->done = false;
pw_stream_trigger_process(impl->sink);
sem_wait(&impl->sem);
if (!impl->done) {
impl->pw_xrun++;
impl->new_xrun = true;
}
if (impl->new_xrun) {
pw_log_warn("Xrun JACK:%u PipeWire:%u", impl->jack_xrun, impl->pw_xrun);
impl->new_xrun = false;
} else {
jack_cycle_signal(impl->client, 0);
}
}
pw_log_trace_fp("done %u", impl->frames);
return 0;
return NULL;
}
static int jack_xrun(void *arg)
{
struct impl *impl = arg;
if (impl->done) {
if (impl->done)
impl->jack_xrun++;
else
impl->pw_xrun++;
impl->new_xrun = true;
}
sem_post(&impl->sem);
return 0;
}
@ -639,7 +634,7 @@ static int create_jack_client(struct impl *impl)
return -EIO;
}
jack_on_info_shutdown(impl->client, jack_info_shutdown, impl);
jack_set_process_callback(impl->client, jack_process, impl);
jack_set_process_thread(impl->client, jack_process_thread, impl);
jack_set_xrun_callback(impl->client, jack_xrun, impl);
jack_set_latency_callback(impl->client, jack_latency, impl);
@ -747,8 +742,6 @@ static void impl_destroy(struct impl *impl)
pw_properties_free(impl->source_props);
pw_properties_free(impl->props);
sem_destroy(&impl->sem);
free(impl);
}
@ -833,12 +826,6 @@ int pipewire__module_init(struct pw_impl_module *module, const char *args)
pw_log_debug("module %p: new %s", impl, args);
if (sem_init(&impl->sem, 0, 0) < 0) {
res = -errno;
pw_log_error( "can't create semaphore: %m");
goto error;
}
if (args == NULL)
args = "";