Method LoadOutputStats

config-dialog.cpp:1326–1489

static video_t *(*obs_encoder_parent_video_wrapper)(const obs_encoder_t *encoder) = nullptr;

void OBSBasicSettings::LoadOutputStats(std::vector<video_t *> *oldVideos)
{
	if (!obs_encoder_parent_video_loaded) {
#ifdef _WIN32
		void *dl = os_dlopen("obs");
#else
		void *dl = dlopen(nullptr, RTLD_LAZY);
#endif
		if (dl) {
			auto sym = os_dlsym(dl, "obs_encoder_parent_video");
			if (sym)
				obs_encoder_parent_video_wrapper = (video_t * (*)(const obs_encoder_t *encoder)) sym;
			os_dlclose(dl);
		}
		obs_encoder_parent_video_loaded = true;
	}
	std::vector<std::tuple<video_t *, obs_encoder_t *, obs_output_t *>> refs;
	obs_enum_outputs(
		[](void *param, obs_output_t *output) {
			auto refs2 = (std::vector<std::tuple<video_t *, obs_encoder_t *, obs_output_t *>> *)param;
			auto ec = 0;
			for (size_t i = 0; i < MAX_OUTPUT_VIDEO_ENCODERS; i++) {
				auto venc = obs_output_get_video_encoder2(output, i);
				if (!venc)
					continue;
				ec++;
				video_t *video = obs_encoder_parent_video_wrapper ? obs_encoder_parent_video_wrapper(venc)
										  : obs_encoder_video(venc);
				if (!video)
					video = obs_output_video(output);
				refs2->push_back(std::tuple<video_t *, obs_encoder_t *, obs_output_t *>(video, venc, output));
			}
			if (!ec) {
				refs2->push_back(std::tuple<video_t *, obs_encoder_t *, obs_output_t *>(obs_output_video(output),
													nullptr, output));
			}
			return true;
		},
		&refs);
	std::sort(refs.begin(), refs.end(),
		  [](std::tuple<video_t *, obs_encoder_t *, obs_output_t *> const &a,
		     std::tuple<video_t *, obs_encoder_t *, obs_output_t *> const &b) {
			  video_t *va;
			  video_t *vb;
			  obs_encoder_t *ea;
			  obs_encoder_t *eb;
			  obs_output_t *oa;
			  obs_output_t *ob;
			  std::tie(va, ea, oa) = a;
			  std::tie(vb, eb, ob) = b;
			  if (va == vb) {
				  if (ea == eb) {
					  return oa < ob;
				  }
				  return va < vb;
			  }
			  return va < vb;
		  });