[FFmpeg-devel] [PATCH] Don't overwrite previously setup dimensions for all codecs

[wm4]

On Thu, 11 Jan 2018 02:01:38 +0000
"Li, Zhong" <zhong.li at intel.com> wrote:

> IIUC, This commit was merged from Libav, checking the commit log of cf7d3846fc865df47bd64f7d4d10bbedf9e3a17b:

Yeah, but...

>     Merge commit '9de9b828ef005dec37052548c195a6b4f18fc701'
> 
>     * commit '9de9b828ef005dec37052548c195a6b4f18fc701':
>       lavc: don't overwrite display dimensions with coded dimensions.
>       lavc: extend / update the [coded_]{width,height} doxy
> 
>     Conflicts:
>         libavcodec/avcodec.h
>         libavcodec/utils.c
> 
>     The change to the w/h handling is not merged as it breaks lowres
> 
>     Merged-by: Michael Niedermayer <michaelni at gmx.at>

This says this specific part was skipped. Apparently it broke lowres,
an obscure feature that probably nobody uses and that Libav removed.