int video_output_open(video_t *video, struct video_output_info *info)
{
struct video_output *out;
if (!valid_video_params(info))
return VIDEO_OUTPUT_INVALIDPARAM;
out = bzalloc(sizeof(struct video_output));
memcpy(&out->info, info, sizeof(struct video_output_info));
out->frame_time = (uint64_t)(1000000000.0 * (double)info->fps_den /
(double)info->fps_num);
out->initialized = false;
if (pthread_mutex_init(&out->data_mutex, NULL) != 0)
goto fail;
if (pthread_mutex_init(&out->input_mutex, NULL) != 0)
goto fail;
if (event_init(&out->stop_event, EVENT_TYPE_MANUAL) != 0)
goto fail;
if (event_init(&out->update_event, EVENT_TYPE_AUTO) != 0)
goto fail;
if (pthread_create(&out->thread, NULL, video_thread, out) != 0)
goto fail;
out->initialized = true;
*video = out;
return VIDEO_OUTPUT_SUCCESS;
fail:
video_output_close(out);
return VIDEO_OUTPUT_FAIL;
}
static void obs_free_video()
{
struct obs_video *video = &obs->video;
if (video->video) {
void *thread_retval;
video_output_stop(video->video);
if (video->thread_initialized) {
pthread_join(video->video_thread, &thread_retval);
video->thread_initialized = false;
}
video_output_close(video->video);
video->video = NULL;
}
}
static void obs_free_video(void)
{
struct obs_core_video *video = &obs->video;
if (video->video) {
obs_display_free(&video->main_display);
video_output_close(video->video);
video->video = NULL;
if (!video->graphics)
return;
gs_enter_context(video->graphics);
if (video->mapped_surface) {
gs_stagesurface_unmap(video->mapped_surface);
video->mapped_surface = NULL;
}
for (size_t i = 0; i < NUM_TEXTURES; i++) {
gs_stagesurface_destroy(video->copy_surfaces[i]);
gs_texture_destroy(video->render_textures[i]);
gs_texture_destroy(video->convert_textures[i]);
gs_texture_destroy(video->output_textures[i]);
obs_source_frame_free(&video->convert_frames[i]);
video->copy_surfaces[i] = NULL;
video->render_textures[i] = NULL;
video->convert_textures[i] = NULL;
video->output_textures[i] = NULL;
}
gs_leave_context();
circlebuf_free(&video->timestamp_buffer);
video->cur_texture = 0;
}
}
int video_output_open(video_t **video, struct video_output_info *info)
{
struct video_output *out;
pthread_mutexattr_t attr;
if (!valid_video_params(info))
return VIDEO_OUTPUT_INVALIDPARAM;
out = bzalloc(sizeof(struct video_output));
if (!out)
goto fail;
memcpy(&out->info, info, sizeof(struct video_output_info));
out->frame_time = (uint64_t)(1000000000.0 * (double)info->fps_den /
(double)info->fps_num);
out->initialized = false;
if (pthread_mutexattr_init(&attr) != 0)
goto fail;
if (pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE) != 0)
goto fail;
if (pthread_mutex_init(&out->data_mutex, &attr) != 0)
goto fail;
if (pthread_mutex_init(&out->input_mutex, &attr) != 0)
goto fail;
if (os_sem_init(&out->update_semaphore, 0) != 0)
goto fail;
if (pthread_create(&out->thread, NULL, video_thread, out) != 0)
goto fail;
init_cache(out);
out->initialized = true;
*video = out;
return VIDEO_OUTPUT_SUCCESS;
fail:
video_output_close(out);
return VIDEO_OUTPUT_FAIL;
}