| Value | Meaning |
|---|---|
| JackPositionBBT0x10 | < Bar, Beat, Tick |
| JackPositionTimecode0x20 | < External timecode |
| JackBBTFrameOffset0x40 | < Frame offset of BBT information |
| JackAudioVideoRatio0x80 | < audio frames per video frame |
| JackVideoFrameOffset0x100 | < frame offset of first video frame |
Optional struct jack_position_t fields.