[FFmpeg-trac] #979(swscale:open): Unexpected Color Conversion (bgr->yuv vs rgb->yuv)

FFmpeg trac at avcodec.org
Fri Nov 29 12:35:22 EET 2019

#979: Unexpected Color Conversion (bgr->yuv vs rgb->yuv)
             Reporter:  natt        |                    Owner:
                 Type:  defect      |                   Status:  open
             Priority:  normal      |                Component:  swscale
              Version:  git-master  |               Resolution:
             Keywords:              |               Blocked By:
             Blocking:              |  Reproduced by developer:  0
Analyzed by developer:  0           |

Comment (by fireattack):

 They're not interfering anything, -pix_fmt, filter `format`, filter
 `colormatrix`, all have the same discoloration bug as soon as you are
 converting bgr24->yuv (but NOT when rgb24->yuv, so you can work around by
 (losslessly) converting to rgb24 first).

 `format` *argument* IN `colorspace` filter (NOT `format` filter, two
 different things) does NOT have this issue, however.

Ticket URL: <https://trac.ffmpeg.org/ticket/979#comment:11>
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