[FFmpeg-trac] #7724(undetermined:new): [FFmpeg-vaapi] HEVC 4K/FHD to AVC 4K/FHD transcoding failed

[FFmpeg]

#7724: [FFmpeg-vaapi] HEVC 4K/FHD to AVC 4K/FHD transcoding failed
-------------------------------------+-------------------------------------
             Reporter:  andreyor     |                    Owner:
                 Type:  defect       |                   Status:  new
             Priority:  normal       |                Component:
                                     |  undetermined
              Version:  git-master   |               Resolution:
             Keywords:  vaapi        |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------

Comment (by andreyor):

 Still fail on latest stack:

 OS: Ubuntu 18.04, kernel 4.19.5
 FFmpeg:
 ​https://github.com/FFmpeg/FFmpeg/commit/85051febc62e396cbe46c55d674fa809c890d3f9
 Media driver: ​https://github.com/intel/media-
 driver/commit/224141564fe20c19e279ec004f89fa92534f90a0
 Libva:
 ​https://github.com/intel/libva/commit/0dc70068e49f9538fbd03f2f0aa1e56a91e986e7
 Libva-utils: ​https://github.com/intel/libva-
 utils/commit/e8045a4fd83193d4c29efdb54253951d25e00a84
 GMM:
 ​https://github.com/intel/gmmlib/commit/8bee050d28f0d926551a0726ad50b66a59ae8b4d

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Ticket URL: <https://trac.ffmpeg.org/ticket/7724#comment:6>
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