[FFmpeg-trac] #3906(build system:closed): --disable-hwaccels does not imply --disable-vdpau

[FFmpeg]

#3906: --disable-hwaccels does not imply --disable-vdpau
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             Reporter:               |                    Owner:
  ahthovaikied                       |                   Status:  closed
                 Type:  defect       |                Component:  build
             Priority:  normal       |  system
              Version:  git-master   |               Resolution:  invalid
             Keywords:               |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
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Comment (by cehoyos):

 Replying to [comment:2 ahthovaikied]:
 > Replying to [comment:1 cehoyos]:
 > > {{{--disable-hwaccels}}} does not disable dxva2, vaapi and vda, and it
 should not (unexpectedly) disable vdpau.
 > Could you please develop a bit more?

 ''hwaccels'' has a particular meaning within FFmpeg: It does not mean
 ''all devices and decoders that improve decoding speed by using hardware''
 but actually something like ''specific decoders that you can list with
 {{{configure --list-hwaccels}}}''. You can for example try {{{grep -i
 hwaccel config.h}}} after running configure with and without {{{--disable-
 hwaccels}}}.

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Ticket URL: <https://trac.ffmpeg.org/ticket/3906#comment:4>
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