#11002: Unnecessary PNG metadata generated
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Reporter: | Owner: (none)
MasterQuestionable |
Type: enhancement | Status: closed
Priority: normal | Component: avformat
Version: git-master | Resolution: invalid
Keywords: png | Blocked By:
Blocking: | Reproduced by developer: 0
Analyzed by developer: 0 |
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Comment (by Balling):
>That cannot be proved
Of course it can. Internet <archive> remembers everything. From people
wantinh to remove that chunk:
https://stackoverflow.com/a/65880175/11173412
People complaing about it back in 2006
https://jonathannicol.com/blog/2006/12/01/fixing-png-gamma/
https://hsivonen.fi/png-gamma/
PNG people providing tests for this:
http://www.libpng.org/pub/png/colorcube/colorcube-pngs-iCCP.html
https://pmt.sourceforge.io/gamma_test/index.html
Bugs still not fixed in png library that we do not use thankfully.
https://github.com/pnggroup/libpng/issues/309
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Ticket URL: <https://trac.ffmpeg.org/ticket/11002#comment:6>
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