[FFmpeg-devel] [PATCH, V2] avformat/concat: Fix wrong wrapped timestamp

Nicolas George george at nsup.org
Fri Dec 29 19:38:52 EET 2017

Wu Zhiqiang (2017-12-30):
> But how to  decide wrap margin that  concat see?
> Though monotonic timestamp is always ok,
> I do not want that sub-demuxer see unwrapped  timestamp but concat see
> wrapped one .
> Or sub-demuxer disable wrap correction but concat enable it.

I am sorry, I do not understand what you are saying at all.

Maybe it would help if you were to give a fully detailed of the simplest
use case you are trying to fix: the files you are trying to concat, with
their format, their timestamps at the beginning, at the end and at
discontinuities, the positions where the application jumps, the
timestamps that are returned by lavf at both levels.

The reason I am insisting on all this is that I fear the problem lies
elsewhere, another bug in timestamps unwrapping. This patch would bury
it deeper instead of fixing it.


  Nicolas George
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