Function preview_output_init

src/preview-output.cpp:209–252

}

void preview_output_init()
{
	obs_log(LOG_DEBUG, "+preview_output_init()");

	auto config = Config::Current();
	auto output_name = config->PreviewOutputName;
	auto output_groups = config->PreviewOutputGroups;
	auto is_enabled = config->PreviewOutputEnabled;

	preview_output_deinit();

	if (is_enabled && !output_name.isEmpty()) {
		obs_log(LOG_DEBUG, "preview_output_init: creating NDI Preview Output '%s'", QT_TO_UTF8(output_name));
		obs_data_t *output_settings = obs_data_create();
		obs_data_set_string(output_settings, "ndi_name", QT_TO_UTF8(output_name));
		obs_data_set_string(output_settings, "ndi_groups", QT_TO_UTF8(output_groups));

		obs_data_set_bool(output_settings, "uses_audio",
				  false); // Preview has no audio

		context.output = obs_output_create("ndi_output", "NDI Preview Output", output_settings, nullptr);
		obs_data_release(output_settings);
		if (context.output) {
			obs_log(LOG_DEBUG, "preview_output_init: Successfully created NDI Preview Output '%s'",
				QT_TO_UTF8(output_name));

			// Start handling "remote" start/stop events (ex: from obs-websocket)
			auto sh = obs_output_get_signal_handler(context.output);
			signal_handler_connect(sh, "start", on_preview_output_started, nullptr);
			signal_handler_connect(sh, "stop", on_preview_output_stopped, nullptr);

			context.ndi_name = output_name;
			context.ndi_groups = output_groups;
		} else {
			obs_log(LOG_WARNING, "WARN-423 - Failed to create NDI Preview Output '%s'",
				QT_TO_UTF8(output_name));
			obs_log(LOG_DEBUG, "preview_output_init: failed to create NDI Preview Output '%s'",
				QT_TO_UTF8(output_name));
		}
		preview_output_start();
	}

	obs_log(LOG_DEBUG, "-preview_output_init()");
}

void on_preview_scene_changed(enum obs_frontend_event event, void *param)
{