Box support

ISO/IEC 14496-12:2012 (ISO base media file format)

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-----|------|------|------|------|-----| ftyp ✅| pdin ✅| moov ✅| | mvhd ✅| | trak ✅| | | tkhd ✅| | | tref ✅| | | trgr | | | edts ✅ | | | | elst ✅ | | | mdia ✅| | | | mdhd ✅| | | | hdlr ✅| | | | minf ✅| | | | | vmhd | | | | | smhd | | | | | hmhd | | | | | nmhd | | | | | dinf ✅ | | | | | | dref | | | | | stbl ✅| | | | | | stsd | | | | | | stss | | | | | | ctts | | | | | | cslg | | | | | | stsc | | | | | | stsz | | | | | | stz2 | | | | | | stco | | | | | | co64 | | | | | | stss | | | | | | stsh | | | | | | padb | | | | | | stdp | | | | | | sdtp | | | | | | sbgp | | | | | | sgpd | | | | | | subs | | | | | | saiz | | | | | | saio | | | udta ✅| | mvex ✅| | | mehd | | | trex | | | leva | moof ✅| | mfhd ✅| | traf ✅| | | tfhd ✅| | | trun ✅| | | sbgp | | | sgpd | | | subs | | | saiz | | | saio | | | tfdt ✅| mfra ✅| | tfra | | mfro | mdat ✅| free ✅| skip ✅| | udta ✅| | | cprt | | | tsel | | | strk ✅| | | | stri | | | | strd | meta | | hdlr ✅| | dinf ✅| | | dref | | iloc | | ipro | | | sinf ✅| | | | frma | | | | schm | | | | schi | | iinf | | xml | | bxml | | pitm | | fiin | | | paen | | | | fire | | | | fpar | | | | fecr | | | segr | | | gitn | | idat | | iref | meco ✅| | mere | styp ✅| sidx ✅| ssix ✅| prft |

ISO/IEC 23009-1:2014(E) (Media presentation description and segment formats)

emsg ✅
pcrb

ISO/IEC 14496-30:2014 (Timed text and other visual overlays in ISOBMFF)

vttC ✅
vttc ✅
vtte ✅
vlab ✅
payl ✅
wvtt
vsid
ctim
iden
sttg
vtta