Function FrameRateChanged

plugins/scripting/utils/properties-view.cpp:1843–1902

}

static bool FrameRateChanged(QWidget *widget, const char *name,
			     OBSData &settings)
{
	auto w = qobject_cast<OBSFrameRatePropertyWidget *>(widget);
	if (!w)
		return false;

	auto variant = w->modeSelect->currentData();
	if (!variant.canConvert<frame_rate_tag>())
		return false;

	auto StopUpdating = [&](void *) {
		w->updating = false;
	};
	unique_ptr<void, decltype(StopUpdating)> signalGuard(
		static_cast<void *>(w), StopUpdating);
	w->updating = true;

	if (!obs_data_has_user_value(settings, name))
		obs_data_set_obj(settings, name, nullptr);

	unique_ptr<obs_data_item_t> obj{obs_data_item_byname(settings, name)};
	auto obj_ptr = obj.get();
	auto CheckObj = [&]() {
		if (!obj_ptr)
			obj.release();
	};

	const char *option = nullptr;
	obs_data_item_get_frames_per_second(obj.get(), nullptr, &option);

	media_frames_per_second fps{};
	media_frames_per_second *valid_fps = nullptr;
	if (obs_data_item_get_frames_per_second(obj.get(), &fps, nullptr))
		valid_fps = &fps;

	auto tag = variant.value<frame_rate_tag>();
	switch (tag.type) {
	case frame_rate_tag::SIMPLE:
		if (!FrameRateChangedCommon(w, obj_ptr, valid_fps))
			return false;
		break;

	case frame_rate_tag::RATIONAL:
		if (!FrameRateChangedRational(w, obj_ptr, valid_fps))
			return false;
		break;

	case frame_rate_tag::USER:
		if (tag.val && option && strcmp(tag.val, option) == 0)
			return false;

		obs_data_item_set_frames_per_second(&obj_ptr, {}, tag.val);
		break;
	}

	UpdateFPSLabels(w);
	CheckObj();