frame|key_frame=1|pict_type=I|side_datum/h_26_45__user_data_unregistered_sei_message:side_data_type=H.26[45] User Data Unregistered SEI message|side_datum/smpte_12_1_timecode:side_data_type=SMPTE 12-1 timecode
timecode|value=00:00:00:00
timecode|value=00:00:00:00
frame|key_frame=0|pict_type=P|side_datum/smpte_12_1_timecode:side_data_type=SMPTE 12-1 timecode
timecode|value=00:00:00:02
timecode|value=00:00:00:02
