/** Reader for current sound asset, if applicable */
std::shared_ptr<dcp::SoundAssetReader> _sound_reader;
std::shared_ptr<dcp::AtmosAssetReader> _atmos_reader;
boost::optional<AtmosMetadata> _atmos_metadata;
/** Reader for current sound asset, if applicable */
std::shared_ptr<dcp::SoundAssetReader> _sound_reader;
std::shared_ptr<dcp::AtmosAssetReader> _atmos_reader;
boost::optional<AtmosMetadata> _atmos_metadata;