[FFmpeg-devel] [FFmpeg-cvslog] avcodec/mjpegdec: support weird RGB subsampling with progressive

[Michael Niedermayer]

Hi

On Mon, Apr 10, 2023 at 08:56:19AM +0000, Leo Izen wrote:
> ffmpeg | branch: master | Leo Izen <leo.izen at gmail.com> | Thu Mar 16 15:32:14 2023 -0400| [b18a9c29713abc3a1b081de3f320ab53a47120c6] | committer: Leo Izen
> 
> avcodec/mjpegdec: support weird RGB subsampling with progressive
> 
> This allows weird subsampling with progressive JPEGs to be decoded,
> such as full-RG and only B subsampled.

This breaks multiple jpeg files

tickets/4045/1x2.jpg
tickets/4045/2x1.jpg

[...]

-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

it is not once nor twice but times without number that the same ideas make
their appearance in the world. -- Aristotle
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