[FFmpeg-trac] #7519(ffmpeg:new): VAAPI: Allow software fallback to be disabled on command-line

[FFmpeg]

#7519: VAAPI: Allow software fallback to be disabled on command-line
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             Reporter:  uartie       |                    Owner:
                 Type:  enhancement  |                   Status:  new
             Priority:  wish         |                Component:  ffmpeg
              Version:  unspecified  |               Resolution:
             Keywords:  vaapi        |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
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Changes (by jkqxz):

 * component:  undetermined => ffmpeg


Comment:

 From the libavcodec perspective this is already present - just refuse to
 return anything other than your chosen format in the get_format()
 callback, and fail if it isn't offered.

 In terms of the ffmpeg utility, I guess it would make sense to have an
 override option to avoid get_format() making any choice other than the one
 you want - currently it will go through all usable (i.e. not requiring
 hardware resources it doesn't have) choices until one of them works.

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Ticket URL: <https://trac.ffmpeg.org/ticket/7519#comment:2>
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