char vcodec[BCTEXTLEN];
// Length in frames
+// -1 means a still photo
int64_t video_length;
int ac3_bitrate;
+// Insert tag for spherical playback
+ int mov_sphere, jpeg_sphere;
+
// Image file sequences. Background rendering doesn't want to write a
// sequence header but instead wants to start the sequence numbering at a certain
// number. This ensures deletion of all the frames which aren't being used.