#10920: "paletteuse" keeps unused colors for PNG unnecessarily
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Reporter: | Owner: (none)
MasterQuestionable |
Type: enhancement | Status: closed
Priority: normal | Component: avfilter
Version: unspecified | Resolution: invalid
Keywords: paletteuse | Blocked By:
Blocking: | Reproduced by developer: 0
Analyzed by developer: 0 |
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Comment (by Leo Izen):
From the PNG specification section on PLTE chunk:
> There is no requirement that the palette entries all be used by the
image, nor that they all be different.
https://www.w3.org/TR/png/#11PLTE
FFmpeg is not a PNG optimizer.
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Ticket URL: <https://trac.ffmpeg.org/ticket/10920#comment:4>
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