static void *audio_thread(void *param)
{
struct audio_output *audio = param;
uint64_t buffer_time = audio->info.buffer_ms * 1000000;
uint64_t prev_time = os_gettime_ns() - buffer_time;
uint64_t audio_time;
os_set_thread_name("audio-io: audio thread");
const char *audio_thread_name =
profile_store_name(obs_get_profiler_name_store(),
"audio_thread(%s)", audio->info.name);
while (os_event_try(audio->stop_event) == EAGAIN) {
os_sleep_ms(AUDIO_WAIT_TIME);
profile_start(audio_thread_name);
pthread_mutex_lock(&audio->line_mutex);
audio_time = os_gettime_ns() - buffer_time;
audio_time = mix_and_output(audio, audio_time, prev_time);
prev_time = audio_time;
pthread_mutex_unlock(&audio->line_mutex);
profile_end(audio_thread_name);
profile_reenable_thread();
}
return NULL;
}
static void *connect_thread(void *data)
{
struct rtmp_stream *stream = data;
int ret;
os_set_thread_name("rtmp-stream: connect_thread");
if (!init_connect(stream)) {
obs_output_signal_stop(stream->output, OBS_OUTPUT_BAD_PATH);
return NULL;
}
ret = try_connect(stream);
if (ret != OBS_OUTPUT_SUCCESS) {
obs_output_signal_stop(stream->output, ret);
info("Connection to %s failed: %d", stream->path.array, ret);
}
if (!stopping(stream))
pthread_detach(stream->connect_thread);
os_atomic_set_bool(&stream->connecting, false);
return NULL;
}
static void *video_thread(void *param)
{
struct video_output *video = param;
os_set_thread_name("video-io: video thread");
const char *video_thread_name =
profile_store_name(obs_get_profiler_name_store(),
"video_thread(%s)", video->info.name);
while (os_sem_wait(video->update_semaphore) == 0) {
if (video->stop)
break;
profile_start(video_thread_name);
while (!video->stop && !video_output_cur_frame(video)) {
video->total_frames++;
}
video->total_frames++;
profile_end(video_thread_name);
profile_reenable_thread();
}
return NULL;
}
void mssapi_captions::main_thread()
try {
HRESULT hr;
os_set_thread_name(__FUNCTION__);
hr = grammar->SetDictationState(SPRS_ACTIVE);
if (FAILED(hr))
throw HRError("SetDictationState failed", hr);
hr = recognizer->SetRecoState(SPRST_ACTIVE);
if (FAILED(hr))
throw HRError("SetRecoState(SPRST_ACTIVE) failed", hr);
HANDLE events[] = {notify, stop};
started = true;
for (;;) {
DWORD ret = WaitForMultipleObjects(2, events, false, INFINITE);
if (ret != WAIT_OBJECT_0)
break;
CSpEvent event;
bool exit = false;
while (event.GetFrom(context) == S_OK) {
if (event.eEventId == SPEI_RECOGNITION) {
ISpRecoResult *result = event.RecoResult();
CoTaskMemPtr<wchar_t> text;
hr = result->GetText((ULONG)-1, (ULONG)-1,
true, &text, nullptr);
if (FAILED(hr))
continue;
char text_utf8[512];
os_wcs_to_utf8(text, 0, text_utf8, 512);
callback(text_utf8);
blog(LOG_DEBUG, "\"%s\"", text_utf8);
} else if (event.eEventId == SPEI_END_SR_STREAM) {
exit = true;
break;
}
}
if (exit)
break;
}
audio->Stop();
} catch (HRError err) {
blog(LOG_WARNING, "%s failed: %s (%lX)", __FUNCTION__, err.str, err.hr);
}
static void *send_thread(void *data)
{
struct rtmp_stream *stream = data;
os_set_thread_name("rtmp-stream: send_thread");
while (os_sem_wait(stream->send_sem) == 0) {
struct encoder_packet packet;
if (stopping(stream) && stream->stop_ts == 0) {
break;
}
if (!get_next_packet(stream, &packet))
continue;
if (stopping(stream)) {
if (can_shutdown_stream(stream, &packet)) {
obs_free_encoder_packet(&packet);
break;
}
}
if (!stream->sent_headers) {
if (!send_headers(stream)) {
os_atomic_set_bool(&stream->disconnected, true);
break;
}
}
if (send_packet(stream, &packet, false, packet.track_idx) < 0) {
os_atomic_set_bool(&stream->disconnected, true);
break;
}
}
if (disconnected(stream)) {
info("Disconnected from %s", stream->path.array);
} else {
info("User stopped the stream");
}
RTMP_Close(&stream->rtmp);
if (!stopping(stream)) {
pthread_detach(stream->send_thread);
obs_output_signal_stop(stream->output, OBS_OUTPUT_DISCONNECTED);
} else {
obs_output_end_data_capture(stream->output);
}
free_packets(stream);
os_event_reset(stream->stop_event);
os_atomic_set_bool(&stream->active, false);
stream->sent_headers = false;
return NULL;
}
void *obs_video_thread(void *param)
{
uint64_t last_time = 0;
uint64_t cur_time = os_gettime_ns();
uint64_t interval = video_output_get_frame_time(obs->video.video);
os_set_thread_name("libobs: graphics thread");
while (!video_output_stopped(obs->video.video)) {
last_time = tick_sources(cur_time, last_time);
render_displays();
output_frame(&cur_time, interval);
}
UNUSED_PARAMETER(param);
return NULL;
}
static void *audio_thread(void *param)
{
struct audio_output *audio = param;
size_t rate = audio->info.samples_per_sec;
uint64_t samples = 0;
uint64_t start_time = os_gettime_ns();
uint64_t prev_time = start_time;
uint64_t audio_time = prev_time;
uint32_t audio_wait_time =
(uint32_t)(audio_frames_to_ns(rate, AUDIO_OUTPUT_FRAMES) /
1000000);
os_set_thread_name("audio-io: audio thread");
const char *audio_thread_name =
profile_store_name(obs_get_profiler_name_store(),
"audio_thread(%s)", audio->info.name);
while (os_event_try(audio->stop_event) == EAGAIN) {
uint64_t cur_time;
os_sleep_ms(audio_wait_time);
profile_start(audio_thread_name);
cur_time = os_gettime_ns();
while (audio_time <= cur_time) {
samples += AUDIO_OUTPUT_FRAMES;
audio_time = start_time +
audio_frames_to_ns(rate, samples);
input_and_output(audio, audio_time, prev_time);
prev_time = audio_time;
}
profile_end(audio_thread_name);
profile_reenable_thread();
}
return NULL;
}
void *obs_video_thread(void *param)
{
uint64_t last_time = 0;
uint64_t interval = video_output_get_frame_time(obs->video.video);
obs->video.video_time = os_gettime_ns();
os_set_thread_name("libobs: graphics thread");
const char *video_thread_name =
profile_store_name(obs_get_profiler_name_store(),
"obs_video_thread(%g ms)", interval / 1000000.);
profile_register_root(video_thread_name, interval);
while (!video_output_stopped(obs->video.video)) {
profile_start(video_thread_name);
profile_start(tick_sources_name);
last_time = tick_sources(obs->video.video_time, last_time);
profile_end(tick_sources_name);
profile_start(render_displays_name);
render_displays();
profile_end(render_displays_name);
profile_start(output_frame_name);
output_frame();
profile_end(output_frame_name);
profile_end(video_thread_name);
profile_reenable_thread();
video_sleep(&obs->video, &obs->video.video_time, interval);
}
UNUSED_PARAMETER(param);
return NULL;
}
void *obs_graphics_thread(void *param)
{
uint64_t last_time = 0;
uint64_t interval = video_output_get_frame_time(obs->video.video);
uint64_t frame_time_total_ns = 0;
uint64_t fps_total_ns = 0;
uint32_t fps_total_frames = 0;
obs->video.video_time = os_gettime_ns();
os_set_thread_name("libobs: graphics thread");
const char *video_thread_name =
profile_store_name(obs_get_profiler_name_store(),
"obs_graphics_thread(%g"NBSP"ms)", interval / 1000000.);
profile_register_root(video_thread_name, interval);
srand((unsigned int)time(NULL));
while (!video_output_stopped(obs->video.video)) {
uint64_t frame_start = os_gettime_ns();
uint64_t frame_time_ns;
profile_start(video_thread_name);
profile_start(tick_sources_name);
last_time = tick_sources(obs->video.video_time, last_time);
profile_end(tick_sources_name);
profile_start(render_displays_name);
render_displays();
profile_end(render_displays_name);
profile_start(output_frame_name);
output_frame();
profile_end(output_frame_name);
frame_time_ns = os_gettime_ns() - frame_start;
profile_end(video_thread_name);
profile_reenable_thread();
video_sleep(&obs->video, &obs->video.video_time, interval);
frame_time_total_ns += frame_time_ns;
fps_total_ns += (obs->video.video_time - last_time);
fps_total_frames++;
if (fps_total_ns >= 1000000000ULL) {
obs->video.video_fps = (double)fps_total_frames /
((double)fps_total_ns / 1000000000.0);
obs->video.video_avg_frame_time_ns =
frame_time_total_ns / (uint64_t)fps_total_frames;
frame_time_total_ns = 0;
fps_total_ns = 0;
fps_total_frames = 0;
}
}
UNUSED_PARAMETER(param);
return NULL;
}
void *obs_graphics_thread(void *param)
{
uint64_t last_time = 0;
uint64_t interval = video_output_get_frame_time(obs->video.video);
uint64_t frame_time_total_ns = 0;
uint64_t fps_total_ns = 0;
uint32_t fps_total_frames = 0;
bool gpu_was_active = false;
bool raw_was_active = false;
bool was_active = false;
obs->video.video_time = os_gettime_ns();
os_set_thread_name("libobs: graphics thread");
const char *video_thread_name =
profile_store_name(obs_get_profiler_name_store(),
"obs_graphics_thread(%g"NBSP"ms)", interval / 1000000.);
profile_register_root(video_thread_name, interval);
srand((unsigned int)time(NULL));
while (!video_output_stopped(obs->video.video)) {
uint64_t frame_start = os_gettime_ns();
uint64_t frame_time_ns;
bool raw_active = obs->video.raw_active > 0;
#ifdef _WIN32
bool gpu_active = obs->video.gpu_encoder_active > 0;
#else
const bool gpu_active = 0;
#endif
bool active = raw_active || gpu_active;
if (!was_active && active)
clear_base_frame_data();
if (!raw_was_active && raw_active)
clear_raw_frame_data();
#ifdef _WIN32
if (!gpu_was_active && gpu_active)
clear_gpu_frame_data();
#endif
raw_was_active = raw_active;
gpu_was_active = gpu_active;
was_active = active;
profile_start(video_thread_name);
profile_start(tick_sources_name);
last_time = tick_sources(obs->video.video_time, last_time);
profile_end(tick_sources_name);
profile_start(output_frame_name);
output_frame(raw_active, gpu_active);
profile_end(output_frame_name);
profile_start(render_displays_name);
render_displays();
profile_end(render_displays_name);
frame_time_ns = os_gettime_ns() - frame_start;
profile_end(video_thread_name);
profile_reenable_thread();
video_sleep(&obs->video, raw_active, gpu_active,
&obs->video.video_time, interval);
frame_time_total_ns += frame_time_ns;
fps_total_ns += (obs->video.video_time - last_time);
fps_total_frames++;
if (fps_total_ns >= 1000000000ULL) {
obs->video.video_fps = (double)fps_total_frames /
((double)fps_total_ns / 1000000000.0);
obs->video.video_avg_frame_time_ns =
frame_time_total_ns / (uint64_t)fps_total_frames;
frame_time_total_ns = 0;
fps_total_ns = 0;
fps_total_frames = 0;
}
}
UNUSED_PARAMETER(param);
return NULL;
}
static inline bool mp_media_thread(mp_media_t *m)
{
os_set_thread_name("mp_media_thread");
if (!init_avformat(m)) {
return false;
}
if (!mp_media_reset(m)) {
return false;
}
for (;;) {
bool reset, kill, is_active;
bool timeout = false;
pthread_mutex_lock(&m->mutex);
is_active = m->active;
pthread_mutex_unlock(&m->mutex);
if (!is_active) {
if (os_sem_wait(m->sem) < 0)
return false;
} else {
timeout = mp_media_sleepto(m);
}
pthread_mutex_lock(&m->mutex);
reset = m->reset;
kill = m->kill;
m->reset = false;
m->kill = false;
pthread_mutex_unlock(&m->mutex);
if (kill) {
break;
}
if (reset) {
mp_media_reset(m);
continue;
}
/* frames are ready */
if (is_active && !timeout) {
if (m->has_video)
mp_media_next_video(m, false);
if (m->has_audio)
mp_media_next_audio(m);
if (!mp_media_prepare_frames(m))
return false;
if (mp_media_eof(m))
continue;
mp_media_calc_next_ns(m);
}
}
return true;
}