- boost::shared_ptr<dcp::PictureAsset> _picture_asset;
- boost::shared_ptr<dcp::PictureAssetWriter> _picture_asset_writer;
- boost::shared_ptr<dcp::SoundAsset> _sound_asset;
- boost::shared_ptr<dcp::SoundAssetWriter> _sound_asset_writer;
- boost::shared_ptr<dcp::SubtitleAsset> _subtitle_asset;
- std::list<boost::shared_ptr<dcp::ReelAsset> > _reel_assets;