[FFmpeg-trac] #1933(undetermined:new): ffmpeg prores artifacts

FFmpeg trac at avcodec.org
Wed Nov 21 14:52:35 CET 2012

#1933: ffmpeg prores artifacts
             Reporter:  rivierakid   |                    Owner:
                 Type:  defect       |                   Status:  new
             Priority:  normal       |                Component:
              Version:  git-master   |  undetermined
             Keywords:  prores       |               Resolution:
             Blocking:               |               Blocked By:
Analyzed by developer:  0            |  Reproduced by developer:  0

Comment (by rivierakid):

 Testing with test.tif http://www.datafilehost.com/download-5f72f895.html
 -vcodec 210 no artifacts
 -vcodec prores artifacts in gray square

 I wonder about bitrate settings, for prores_kostya there is a
 global_quality parameter (prores_kostya.c), which controls the bitrate
 (there is a four items-bitrates tab for every profile). But I don't know
 how to control quality in "prores"? Is it equal to "prores_anatolyi"?
 Because I can't find a source code for it and seems that "prores_anatolyi"
 auto-selects the quality...

Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/1933#comment:17>
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