[FFmpeg-devel] [PATCH] avfilter/avf_concat: check for possible integer overflow

Nicolas George george at nsup.org
Sun Sep 13 17:39:24 EEST 2020

Paul B Mahol (12020-09-13):
> It is bug in this filter.
> Filter should avoid integer overflows.
> Also expecting only monotonous timestamps from input is not valid.

Requiring monotonous and continuous timestamps on filters input is not
only valid but widely accepted and almost mandatory. No operation is
possible on several streams without valid timestamps. The bug is in the
filters that do not produce valid timestamps; we could mitigate it in
the framework. Individual filters are not the place to implement this.

  Nicolas George
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