* 33 -> 34
* Content only contains audio/subtitle-related tags if those things
* are present.
+ * 34 -> 35
+ * VideoFrameType in VideoContent is a string rather than an integer.
*/
-int const Film::current_state_version = 34;
+int const Film::current_state_version = 35;
/** Construct a Film object in a given directory.
*