- /** Signal to emit to report progress, or 0 */
- boost::signals2::signal<void (float)>* _progress;
+ friend class MXFWriter;
+
+ std::string pkl_type (Standard standard) const;
+ void read_writer_info (ASDCP::WriterInfo const &);
+
+ Fraction _edit_rate;
+ /** The total length of this content in video frames. The amount of
+ * content presented may be less than this.
+ */
+ int64_t _intrinsic_duration;
+