[FFmpeg-trac] #5286(ffmpeg:new): ffmpeg -hwaccel vdpau limited to h264 level 4.1 since avconv_vdpau: use the hwcontext API to simplify code

[FFmpeg]

#5286: ffmpeg -hwaccel vdpau limited to h264 level 4.1 since avconv_vdpau: use the
hwcontext API to simplify code
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             Reporter:  AndyF        |                    Owner:
                 Type:  defect       |                   Status:  new
             Priority:  important    |                Component:  ffmpeg
              Version:  git-master   |               Resolution:
             Keywords:  vdpau        |               Blocked By:
  regression                         |  Reproduced by developer:  0
             Blocking:               |
Analyzed by developer:  0            |
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Comment (by AndyF):

 Thanks, I tested and that works for me.

 Ironically in the past few days the level for my card did get raised,
 which I reverted to test.

 Still useful for other radeon cards though, as they still get 4.1 when
 many will do 4.2.

 One thing - it would be good if the fail case outputted an error saying
 falling back to s/w and giving the option needed to overide. Currently if
 it falls back to s/w due to level the output is a bit misleading as the
 last thing printed before fallback may be -

 Hardware accelerated decoding with frame threading is known to be unstable
 and its use is discouraged.

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Ticket URL: <https://trac.ffmpeg.org/ticket/5286#comment:6>
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