[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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Comment (by fulinjie):

 Provided a patch to return directly if the hardware init fails.

 This solution is less common but valid in the software callback condition
 due to the failure of hardware init.

 patchwork: https://patchwork.ffmpeg.org/patch/10846/
 mail list: http://ffmpeg.org/pipermail/ffmpeg-
 devel/2018-October/235780.html
 commit id: b3f1ffde35bf36f66af8f711adbf1da605ffb287

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Ticket URL: <https://trac.ffmpeg.org/ticket/7519#comment:3>
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