[FFmpeg-trac] #8391(undetermined:new): VA-API VP8 encoding produces broken videos with iHD driver

FFmpeg trac at avcodec.org
Wed Nov 20 19:41:22 EET 2019

#8391: VA-API VP8 encoding produces broken videos with iHD driver
             Reporter:  eero-t       |                    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 eero-t):

 Replying to [comment:1 cehoyos]:
 > Why do you believe that there is an issue that can be fixed in FFmpeg?

 Last comment in the media-driver bug I linked, states that:
 "Media driver will return 2 buffers. One is coded data buffer, another is
 some additional suggestion info for future encoding. So ffmpeg should
 ignore the 2nd buffer if it doesn't care theses suggested info."

 Subject of that bug was:
 {{{ffmpeg exits with "Output file is empty, nothing was encoded"}}}

 Which is the same issue I saw with most of the videos I tried encoding.

 Btw. Based on this: https://github.com/intel/media-driver/issues/624

 There may be a similar issue with VP9.

Ticket URL: <https://trac.ffmpeg.org/ticket/8391#comment:2>
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