[FFmpeg-trac] #1261(swscale:reopened): yellowish color with resize and -pix_fmt pal8

FFmpeg trac at avcodec.org
Wed Apr 3 10:30:46 EEST 2019


#1261: yellowish color with resize and -pix_fmt pal8
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             Reporter:  ami_stuff   |                    Owner:
                 Type:  defect      |                   Status:  reopened
             Priority:  normal      |                Component:  swscale
              Version:  git-master  |               Resolution:
             Keywords:  pal8        |               Blocked By:
             Blocking:              |  Reproduced by developer:  1
Analyzed by developer:  0           |
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Changes (by gdgsdg123):

 * status:  closed => reopened
 * resolution:  fixed =>


Comment:

 Replying to [comment:8 cehoyos]:

 Build from:
 https://zeranoe.com/builds/win64/static/ffmpeg-20190402-6aeaac3-win64-static.zip
 [[BR]]
 [[BR]]
 Not fixed.

 Check carefully (zoom 800%), comparing to the reference group from:
 https://en.wikipedia.org/wiki/Comparison_gallery_of_image_scaling_algorithms

 Or change the `-pix_fmt pal8` from the above command to `-pix_fmt rgb24`
 then render one, compare them.

--
Ticket URL: <https://trac.ffmpeg.org/ticket/1261#comment:9>
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