- boost::shared_ptr<dcp::MonoPictureAssetReader> _mono_reader;
- boost::shared_ptr<dcp::StereoPictureAssetReader> _stereo_reader;
+ std::shared_ptr<dcp::MonoPictureAssetReader> _mono_reader;
+ std::shared_ptr<dcp::StereoPictureAssetReader> _stereo_reader;