[FFmpeg-devel] [PATCH v2] avcodec/pngenc: support writing iCCP chunks

[Niklas Haas]

On Fri, 11 Mar 2022 11:17:42 +0100 Niklas Haas <ffmpeg at haasn.xyz> wrote:
> Oops. `-c copy` doesn't actually test the PNG writing code. Need to use
> `-c png` instead. Fixed in v2.

Hmm, actually, even this doesn't work. I can comment out the iCCP
writing code and the iCCP chunk still gets written, somehow. Even though
the file hash is different from the `-c copy` case!

Any idea how to force a re-encode?