static void pulse_set_volume(int l, int r) {
if (! connected)
return;
pa_threaded_mainloop_lock (mainloop);
CHECK_DEAD_GOTO (fail, 1);
/* sanitize output volumes. */
l = CLAMP(l, 0, 100);
r = CLAMP(r, 0, 100);
if (!volume_valid || volume.channels != 1) {
volume.values[0] = ((pa_volume_t) l * PA_VOLUME_NORM + 50) / 100;
volume.values[1] = ((pa_volume_t) r * PA_VOLUME_NORM + 50) / 100;
volume.channels = 2;
} else {
volume.values[0] = ((pa_volume_t) MAX (l, r) * PA_VOLUME_NORM + 50) / 100;
volume.channels = 1;
}
volume_valid = 1;
if (connected && !volume_time_event) {
struct timeval tv;
pa_mainloop_api *api = pa_threaded_mainloop_get_api(mainloop);
volume_time_event = api->time_new(api, pa_timeval_add(pa_gettimeofday(&tv), 100000), volume_time_cb, NULL);
}
fail:
if (connected)
pa_threaded_mainloop_unlock(mainloop);
}
static void message_cb(pa_mainloop_api*a, pa_time_event*e, const struct timeval *tv, void *userdata) {
MSG msg;
struct timeval tvnext;
while (PeekMessage(&msg, NULL, 0, 0, PM_REMOVE)) {
if (msg.message == WM_QUIT)
raise(SIGTERM);
else {
TranslateMessage(&msg);
DispatchMessage(&msg);
}
}
pa_timeval_add(pa_gettimeofday(&tvnext), 100000);
a->time_restart(e, &tvnext);
}
static void thread_func(void *userdata) {
struct userdata *u = userdata;
pa_assert(u);
pa_log_debug("Thread starting up");
pa_thread_mq_install(&u->thread_mq);
pa_rtpoll_install(u->rtpoll);
pa_rtclock_get(&u->timestamp);
for (;;) {
int ret;
/* Render some data and drop it immediately */
if (u->sink->thread_info.state == PA_SINK_RUNNING) {
struct timeval now;
pa_rtclock_get(&now);
if (pa_timeval_cmp(&u->timestamp, &now) <= 0) {
pa_sink_skip(u->sink, u->block_size);
pa_timeval_add(&u->timestamp, pa_bytes_to_usec(u->block_size, &u->sink->sample_spec));
}
pa_rtpoll_set_timer_absolute(u->rtpoll, &u->timestamp);
} else
pa_rtpoll_set_timer_disabled(u->rtpoll);
/* Hmm, nothing to do. Let's sleep */
if ((ret = pa_rtpoll_run(u->rtpoll, 1)) < 0)
goto fail;
if (ret == 0)
goto finish;
}
fail:
/* If this was no regular exit from the loop we have to continue
* processing messages until we received PA_MESSAGE_SHUTDOWN */
pa_asyncmsgq_post(u->thread_mq.outq, PA_MSGOBJECT(u->core), PA_CORE_MESSAGE_UNLOAD_MODULE, u->module, 0, NULL, NULL);
pa_asyncmsgq_wait_for(u->thread_mq.inq, PA_MESSAGE_SHUTDOWN);
finish:
pa_log_debug("Thread shutting down");
}
void QPulseAudioThread::time_event_callback ( pa_mainloop_api*m, pa_time_event *e, const struct timeval *tv, void *userdata )
{
struct timeval next;
if ( stream && pa_stream_get_state ( stream ) == PA_STREAM_READY ) {
pa_operation *o;
if ( ! ( o = pa_stream_update_timing_info ( stream, stream_update_timing_callback, NULL ) ) )
fprintf ( stderr, "pa_stream_update_timing_info() failed: %s\n", pa_strerror ( pa_context_errno ( context ) ) );
else
pa_operation_unref ( o );
}
pa_gettimeofday ( &next );
pa_timeval_add ( &next, TIME_EVENT_USEC );
m->time_restart ( e, &next );
}
static struct timeval* wallclock_from_rtclock(struct timeval *tv) {
struct timeval wc_now, rt_now;
pa_assert(tv);
pa_gettimeofday(&wc_now);
pa_rtclock_get(&rt_now);
/* pa_timeval_sub() saturates on underflow! */
if (pa_timeval_cmp(&rt_now, tv) < 0)
pa_timeval_add(&wc_now, pa_timeval_diff(tv, &rt_now));
else
pa_timeval_sub(&wc_now, pa_timeval_diff(&rt_now, tv));
*tv = wc_now;
return tv;
}
static void work(void *p) {
pa_log_notice("CPU%i: Created thread.", PA_PTR_TO_UINT(p));
pa_make_realtime(12);
#ifdef HAVE_PTHREAD_SETAFFINITY_NP
{
#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
cpuset_t mask;
#else
cpu_set_t mask;
#endif
CPU_ZERO(&mask);
CPU_SET((size_t) PA_PTR_TO_UINT(p), &mask);
pa_assert_se(pthread_setaffinity_np(pthread_self(), sizeof(mask), &mask) == 0);
}
#endif
for (;;) {
struct timeval now, end;
uint64_t usec;
pa_log_notice("CPU%i: Sleeping for 1s", PA_PTR_TO_UINT(p));
pa_msleep(1000);
usec =
(uint64_t) ((((double) rand())*(double)(msec_upper-msec_lower)*PA_USEC_PER_MSEC)/RAND_MAX) +
(uint64_t) ((uint64_t) msec_lower*PA_USEC_PER_MSEC);
pa_log_notice("CPU%i: Freezing for %ims", PA_PTR_TO_UINT(p), (int) (usec/PA_USEC_PER_MSEC));
pa_rtclock_get(&end);
pa_timeval_add(&end, usec);
do {
pa_rtclock_get(&now);
} while (pa_timeval_cmp(&now, &end) < 0);
}
}
static void
restart_time_event (GstPulseMixerCtrl * c)
{
struct timeval tv;
pa_mainloop_api *api;
g_assert (c);
if (c->time_event)
return;
/* Updating the volume too often will cause a lot of traffic
* when accessing a networked server. Therefore we make sure
* to update the volume only once every 50ms */
api = pa_threaded_mainloop_get_api (c->mainloop);
c->time_event =
api->time_new (api, pa_timeval_add (pa_gettimeofday (&tv), UPDATE_DELAY),
gst_pulsemixer_ctrl_timeout_event, c);
}
void QPulseAudioThread::run()
{
const char * error = "FOO";
int ret = 1, r, c;
const char *bn = "projectM";
pa_operation * operation ;
sample_spec.format = PA_SAMPLE_FLOAT32LE;
sample_spec.rate = 44100;
sample_spec.channels = 2;
pa_context_flags_t flags = ( pa_context_flags_t ) 0;
verbose = 0;
if ( !pa_sample_spec_valid ( &sample_spec ) ) {
fprintf ( stderr, "Invalid sample specification\n" );
goto quit;
}
if ( channel_map_set && channel_map.channels != sample_spec.channels ) {
fprintf ( stderr, "Channel map doesn't match sample specification\n" );
goto quit;
}
if ( verbose ) {
char t[PA_SAMPLE_SPEC_SNPRINT_MAX];
pa_sample_spec_snprint ( t, sizeof ( t ), &sample_spec );
fprintf ( stderr, "Opening a %s stream with sample specification '%s'.\n", "recording" , t );
}
if ( !client_name )
client_name = pa_xstrdup ( bn );
//printf("client name:%s", client_name);
if ( !stream_name )
stream_name = pa_xstrdup ( client_name );
/* Set up a new main loop */
if ( ! ( mainloop = pa_threaded_mainloop_new() ) ) {
fprintf ( stderr, "pa_mainloop_new() failed.\n" );
goto quit;
}
mainloop_api = pa_threaded_mainloop_get_api ( mainloop );
r = pa_signal_init ( mainloop_api );
assert ( r == 0 );
pa_signal_new ( SIGINT, exit_signal_callback, NULL );
pa_signal_new ( SIGTERM, exit_signal_callback, NULL );
#ifdef SIGUSR1
pa_signal_new ( SIGUSR1, sigusr1_signal_callback, NULL );
#endif
#ifdef SIGPIPE
signal ( SIGPIPE, SIG_IGN );
#endif
/*
if ( ! ( stdio_event = mainloop_api->io_new ( mainloop_api,
STDOUT_FILENO,
PA_IO_EVENT_OUTPUT,
stdout_callback, s_qprojectM_MainWindowPtr ) ) )
{
fprintf ( stderr, "io_new() failed.\n" );
goto quit;
}
/*
/* Create a new connection context */
if ( ! ( context = pa_context_new ( mainloop_api, client_name ) ) ) {
fprintf ( stderr, "pa_context_new() failed.\n" );
goto quit;
}
pa_context_set_state_callback ( context, context_state_callback, &s_sourceList );
pa_context_connect ( context, server, flags, NULL );
if ( verbose ) {
struct timeval tv;
pa_gettimeofday ( &tv );
pa_timeval_add ( &tv, TIME_EVENT_USEC );
if ( ! ( time_event = mainloop_api->time_new ( mainloop_api, &tv, time_event_callback, NULL ) ) ) {
fprintf ( stderr, "time_new() failed.\n" );
goto quit;
}
}
/* Run the main loop */
if ( pa_threaded_mainloop_start ( mainloop ) < 0 ) {
fprintf ( stderr, "pa_mainloop_run() failed.\n" );
goto quit;
}
quit:
emit(threadCleanedUp());
return ;
}