+ std::vector<std::time_t> _last_write_times;
+
+ std::string _digest;
+ dcpomatic::DCPTime _position;
+ dcpomatic::ContentTime _trim_start;
+ dcpomatic::ContentTime _trim_end;
+ /** The video frame rate that this content is or was prepared to be used with,
+ * or empty if the effective rate of this content should be dictated by something
+ * else (either some video happening at the same time, or the rate of the DCP).
+ */
+ boost::optional<double> _video_frame_rate;