[FFmpeg-trac] #707(avcodec:open): iff: support transparency

[FFmpeg]

#707: iff: support transparency
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             Reporter:  ami_stuff    |                    Owner:
                 Type:  enhancement  |                   Status:  open
             Priority:  wish         |                Component:  avcodec
              Version:  git-master   |               Resolution:
             Keywords:  iff alpha    |               Blocked By:
             Blocking:               |  Reproduced by developer:  1
Analyzed by developer:  0            |
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Comment (by ami_stuff):

 The attached patch seems to work correctly with "DpaintTitle.brush" file,
 hoever it fails with iff ilbm files which I created with different
 background colors selected as transparent.

 maybe this info will be useful:

 http://home.comcast.net/~erniew/lwsdk/docs/filefmts/ilbm.html

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Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/707#comment:2>
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