#10058: jpeg2000: support paletted images
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Reporter: ami_stuff | Owner: (none)
Type: defect | Status: open
Priority: normal | Component:
| undetermined
Version: unspecified | Resolution:
Keywords: | Blocked By:
Blocking: | Reproduced by developer: 0
Analyzed by developer: 0 |
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Comment (by ami_stuff):
Replying to [comment:6 Carl Eugen Hoyos]:
> Replying to [comment:5 ami_stuff]:
> > the crash is reproducible with this build:
> >
> > https://www.johnvansickle.com/ffmpeg/old-
releases/ffmpeg-4.2.2-arm64-static.tar.xz
> >
> > so there are at least three bugs here:
> >
> > 1. regression in native jpeg2000 decoder for paletted images
>
> Which FFmpeg version works correctly with the native decoder?
4.2.7 and 4.2.2, more I didn't test.
>
> > 2. crash in ffmpeg 4.2.7 with forced libopenjpeg
>
> But not with current FFmpeg git head?
That's correct, can't reproduce it with git head. But some distros are
giving their users outdated ffmpeg versions, so it would be nice to fix
it.
>
> > 3. ffmpeg's libopenjpeg decoder should support decoding of paletted
images
>
> That was not supported by libopenjpeg when I looked last time.
--
Ticket URL: <https://trac.ffmpeg.org/ticket/10058#comment:7>
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