[FFmpeg-trac] #5693(avcodec:open): exr: support dwa decompression
FFmpeg
trac at avcodec.org
Tue Apr 10 23:55:00 EEST 2018
#5693: exr: support dwa decompression
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Reporter: ami_stuff | Owner:
Type: enhancement | Status: open
Priority: wish | Component: avcodec
Version: git-master | Resolution:
Keywords: exr | Blocked By:
Blocking: | Reproduced by developer: 1
Analyzed by developer: 0 |
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Comment (by jminor):
Pixar is interested in this as well.
Looking at the code in exr.c it appears that ffmpeg does not use
libopenexr, but rather has a reimplementation of an EXR decoder. Is this
negotiable, or is that by design?
In either case, we would like to understand how much work it would be to
add support for the dwaa compression scheme to ffmpeg's exr reader. Is
this a simple change, or a substantial amount of work? We could possibly
help out with this, although we don't have anyone familiar with the ffmpeg
code base at the moment.
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Ticket URL: <https://trac.ffmpeg.org/ticket/5693#comment:2>
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