[FFmpeg-devel] [PATCH 1/2] jpeg2000dec: parse CDEF

Paul B Mahol onemda at gmail.com
Fri Jul 12 23:47:39 CEST 2013


On 7/12/13, Nicolas BERTRAND <nicoinattendu at gmail.com> wrote:
>
> I'm not sure the parse of CDEF is in the right place. as it is defined
> in the JPEG2000 file format syntax. It will probably best fit with a JP2
> container in avformat?

Does jp2 may have more than single jpeg2000 image, if not, such separation
is pointless.

If this is moved into jp2 demuxer, than you can not use jp2 files with
img2 demuxer
and also you need to use pix_fmt set from demuxer.

> As there are a lot of other parameters for JPEG2000 file format. who is
> not directly part of codec
>
> cf . ISO/IEC 15444-1:2002 Annex I
>
>
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