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

[Li, Zhong]

> From: ffmpeg-devel [mailto:ffmpeg-devel-bounces at ffmpeg.org] On Behalf
> Of Carl Eugen Hoyos
> Sent: Wednesday, January 10, 2018 10:18 PM
> To: FFmpeg development discussions and patches
> <ffmpeg-devel at ffmpeg.org>
> Subject: Re: [FFmpeg-devel] [PATCH] Don't overwrite previously setup
> dimensions for all codecs
> 
> 2018-01-10 9:10 GMT+01:00 Zhong Li <zhong.li at intel.com>:
> > Currently a hacky way is used for some specific codecs such as
> > H264/VP6F/DXV.
> 
> > Replace with a more generic way(an evolution based on a history commit
> > 9de9b828ef005dec37052548c195a6b4f18fc701 but reverted somehow)
> 
> This commit was never part of FFmpeg.

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