a547f8b6463a60e5ef2e9a2b117c4dfa *tests/data/fate/matroska-pgs-remux-durations.matroska
49756 tests/data/fate/matroska-pgs-remux-durations.matroska
#tb 0: 1/1000
#media_type 0: subtitle
#codec_id 0: hdmv_pgs_subtitle
0, 67, 67, 334, 26127, 0x02389441
0, 401, 401, 0, 23155, 0x1de74712