[FFmpeg-trac] #457(undetermined:new): vaapi h264 decoding artefacts

[FFmpeg]

#457: vaapi h264 decoding artefacts
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             Reporter:  gimli        |                     Type:  defect
               Status:  new          |                 Priority:  normal
            Component:               |                  Version:
  undetermined                       |  unspecified
             Keywords:               |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
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 I work on vaapi support for xine using ffmpeg as decoder.
 While working in my xine stuff i discovered that since quite a while
 decoding of some h264 live material on dvb-s2 was broken with vaapi in
 ffmpeg. The affected material was showing artefacts in the decoded
 picture.
 After some research i discovered following commit for vpdau :

 http://git.videolan.org/?p=ffmpeg.git;a=commit;h=a4ab70f92e4d8705434a2fee42a2b69a8bfa6bb1

 based on that commit i made similar changes to vaapi_h264.c which are in
 the attached patch. This patch is fixing the artefacts.

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Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/457>
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