uint8_t st_slots; // size (in slots) of stream_timing array
uint8_t saw_video; // != 0 if we've seen video
uint8_t saw_audio; // != 0 if we've seen audio
uint8_t st_slots; // size (in slots) of stream_timing array
uint8_t saw_video; // != 0 if we've seen video
uint8_t saw_audio; // != 0 if we've seen audio