TODO

Missing Muxer, do we need it?
- ADTS
- M2TS
- H264
- ogg
- mp3/mpeg
- h265
Missing Demuxer
- Fragmented bmff
- Fragmented ebml
Missing Both
- riff
- subtitles?
- flac: needs bit level granularity to parse out flac frames, maybe bitset npm pkg?
Should we support the following:
- vp8
- vp9
- ac-3/ec-3
- vorbis
- avi (riff?)
- raw av1
general
- Document the format specification
- disallow passthrough for certain formtats (normal mp4)
- demuxer configuration based on muxer? h264 annex b vs AVCC
- Should the download streaming happen in the web worker, or should we pass the data up?
- Find out how to correctly deal with baseMediaDecodeTime, timescale, and track timescale in ebml/bmff
ogg
- parse flac, vorbis, theora, and speex headers
- switch to using opus head setter/getter from this file.
ebml
- Support "sidx"
- do we need to split on keyframes
- How do we set frame duration??
bmff
- support "sidx"
- Do we have to split moof on keyframes?
- test with mov and other bmff files
h265/h264
- switch exp-golomb with bitset pkg?

ebml
- https://matroska-org.github.io/libebml/specs.html
- https://www.matroska.org/technical/elements.html
adts
- https://wiki.multimedia.cx/index.php?title=ADTS
h264
- https://yumichan.net/video-processing/video-compression/introduction-to-h264-nal-unit/
- https://en.wikipedia.org/wiki/Exponential-Golomb_coding
h265
- https://gist.github.com/BrandonHaynes/17a10939ea552095cbbac4c739bf8009
av1
- https://aomediacodec.github.io/av1-spec/av1-spec.pdf
- https://aomediacodec.github.io/av1-isobmff/
mpeg
- https://www.codeproject.com/articles/8295/mpeg-audio-frame-header
- https://github.com/biril/mp3-parser/tree/master/lib
m2ts
- https://en.wikipedia.org/wiki/MPEG_transport_stream
bmff
- https://github.com/gpac/mp4box.js
- https://developer.apple.com/library/archive/documentation/QuickTime/QTFF/QTFFPreface/qtffPreface.html
flac
- https://xiph.org/flac/documentation_format_overview.html
ogg
- https://xiph.org/ogg/doc/framing.html
opus
- https://opus-codec.org/docs/opusfile_api-0.5/structOpusHead.html

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