Method select_encoder

server/encoder/encoder_settings.cpp:221–265

	        vk(vk), info(info), nvidia(is_nvidia(vk.physical_device)) {}

	std::pair<std::string, video_codec> select_encoder(const configuration::encoder & config)
	{
		if (config.codec == video_codec::raw or config.name == encoder_raw)
			return {encoder_raw, video_codec::raw};

#if WIVRN_USE_NVENC
		if ((nvidia and config.name.empty()) or config.name == encoder_nvenc)
		{
			for (auto codec: config.codec ? std::vector{*config.codec} : info.supported_codecs)
			{
				if (check_nvenc(codec))
					return {encoder_nvenc, codec};
			}
		}
#endif

#if WIVRN_USE_VULKAN_ENCODE
		if (config.name.empty() or config.name == encoder_vulkan)
		{
			for (auto codec: config.codec ? std::vector{*config.codec} : info.supported_codecs)
			{
				if (has_vk(codec))
					return {encoder_vulkan, codec};
			}
		}
#endif

#if WIVRN_USE_VAAPI
		if (config.name.empty() or config.name == encoder_vaapi)
		{
			for (auto codec: config.codec ? std::vector{*config.codec} : info.supported_codecs)
			{
				if (check_vaapi(codec))
					return {encoder_vaapi, codec};
			}
		}
#endif
		U_LOG_W("No suitable hardware accelerated codec found");
#if WIVRN_USE_X264
		if (config.name.empty() or config.name == encoder_x264)
			return {encoder_x264, video_codec::h264};
#endif

		throw std::runtime_error("Failed to find a suitable video encoder");
	}
};
} // namespace