[FFmpeg-trac] #865(avcodec:open): sunras: support 8bpp grayscale

[FFmpeg]

#865: sunras: support 8bpp grayscale
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             Reporter:  ami_stuff   |                    Owner:
                 Type:  defect      |                   Status:  open
             Priority:  normal      |                Component:  avcodec
              Version:  git-master  |               Resolution:
             Keywords:  sunrast     |               Blocked By:
             Blocking:              |  Reproduced by developer:  1
Analyzed by developer:  0           |
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Changes (by cehoyos):

 * keywords:   => sunrast
 * status:  new => open
 * version:  unspecified => git-master
 * component:  undetermined => avcodec
 * reproduced:  0 => 1


Comment:

 (Does 1 < bpp < 8 exist?)

 Replying to [ticket:865 ami_stuff]:
 > hack attached (I don't know how to identify if 8bpp file is in grayscale
 mode)

 You could test for maplength in "case 8", remove the "useless colormap"
 block and change the condition for loading the palette to "avctx->pix_fmt
 == PIX_FMT_PAL8" (or better maplength until we fix 864).

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Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/865#comment:1>
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