flush subtitles more often
srt: fix junk written on non-english text
ebml: show mp3 tracks
show more info on subtitles
extract SRT (subtitles)
ebml/ogg: use discard padding, codec delay and seek preroll to calculate granule position
ebml: fix ivf duration
ebml: more complicated packet handling; fix opus pre-skip in granule pos
don't treat every file as a container
fail on NAL len != 4
remux AVC1 (h264) properly
dump trun audio samples
don't double-print (dsize/etc); make esds parser return error instead of calling sysfatal directly
correctly parse esds