On 23/11/2018 02:16, Michael Niedermayer wrote:
> do we have some sample flv files that require this patchset / that have
> discontinuites.

I have many. I've mailed you one privately, while I work on getting a public 
one.

> another thing i just realize now, why is this discontinuity issues coming up
> now? flv support is very old. This should be a long standing issue

Probably not many codebases check the DISCONT flag. I only just added proper
discontinuity handling to some codebases this year, and that's why *I* noticed.
Chances are most people use the ffmpeg cli which seems to handle stuff 
differently,
and doesn't necessarily care about the flag. In my case, I only try to 'fix'
discontinuities if they appear to be in a format that allows them, during 
indexing.

I could add a workaround specific to FLV, or some threshold stuff, but I'd 
prefer
that demuxers which may output discontinuous timestamps say they do.

Cheers,
- Derek
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