static uint64_t tick_sources(uint64_t cur_time, uint64_t last_time)
{
struct obs_core_data *data = &obs->data;
struct obs_source *source;
uint64_t delta_time;
float seconds;
if (!last_time)
last_time = cur_time -
video_output_get_frame_time(obs->video.video);
delta_time = cur_time - last_time;
seconds = (float)((double)delta_time / 1000000000.0);
pthread_mutex_lock(&data->sources_mutex);
/* call the tick function of each source */
source = data->first_source;
while (source) {
obs_source_video_tick(source, seconds);
source = (struct obs_source*)source->context.next;
}
pthread_mutex_unlock(&data->sources_mutex);
return cur_time;
}
static uint64_t tick_sources(uint64_t cur_time, uint64_t last_time)
{
struct obs_core_data *data = &obs->data;
struct obs_source *source;
uint64_t delta_time;
float seconds;
if (!last_time)
last_time = cur_time -
video_output_get_frame_time(obs->video.video);
delta_time = cur_time - last_time;
seconds = (float)((double)delta_time / 1000000000.0);
/* ------------------------------------- */
/* call tick callbacks */
pthread_mutex_lock(&obs->data.draw_callbacks_mutex);
for (size_t i = obs->data.tick_callbacks.num; i > 0; i--) {
struct tick_callback *callback;
callback = obs->data.tick_callbacks.array + (i - 1);
callback->tick(callback->param, seconds);
}
pthread_mutex_unlock(&obs->data.draw_callbacks_mutex);
/* ------------------------------------- */
/* call the tick function of each source */
pthread_mutex_lock(&data->sources_mutex);
source = data->first_source;
while (source) {
struct obs_source *cur_source = obs_source_get_ref(source);
source = (struct obs_source*)source->context.next;
if (cur_source) {
obs_source_video_tick(cur_source, seconds);
obs_source_release(cur_source);
}
}
pthread_mutex_unlock(&data->sources_mutex);
return cur_time;
}
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 uint64_t tick_sources(uint64_t cur_time, uint64_t last_time)
{
struct obs_core_data *data = &obs->data;
struct obs_view *view = &data->main_view;
struct obs_source *source;
uint64_t delta_time;
float seconds;
if (!last_time)
last_time = cur_time -
video_output_get_frame_time(obs->video.video);
delta_time = cur_time - last_time;
seconds = (float)((double)delta_time / 1000000000.0);
obs_mark_output_sources(true);
pthread_mutex_lock(&data->sources_mutex);
/* call the tick function of each source */
source = data->first_source;
while (source) {
if (source->ref_by_output_flag)
obs_source_video_tick(source, seconds);
source = (struct obs_source*)source->context.next;
}
/* calculate source volumes */
pthread_mutex_lock(&view->channels_mutex);
source = data->first_source;
while (source) {
calculate_base_volume(data, view, source);
source = (struct obs_source*)source->context.next;
}
pthread_mutex_unlock(&view->channels_mutex);
pthread_mutex_unlock(&data->sources_mutex);
return cur_time;
}
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;
}
