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[1] is a useful list of such assumptions. Found it very handy when programming AV handling.

[1]: https://haasn.xyz/posts/2016-12-25-falsehoods-programmers-be...

See also: this talk from a Vimeo engineer about the video encoding horrors they've encountered in the wild.

https://www.youtube.com/watch?v=cRSO3RtUOOk / https://speakerdeck.com/demuxed/things-developers-believe-ab...

Honestly I don't quite know how or why engineers keep working in a "all of this is fundamentally broken always has been and never will be fixed" domain, on a motivational basis.

"all frame timestamps are monotonically increasing"

wow...

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