[MacPorts] #42863: Enable VDA (Video Decode Acceleration) in ffmpeg + ffmpeg-devel if supported by OS
MacPorts
noreply at macports.org
Mon Mar 17 00:24:36 PDT 2014
#42863: Enable VDA (Video Decode Acceleration) in ffmpeg + ffmpeg-devel if
supported by OS
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Reporter: ionic@… | Owner: devans@…
Type: enhancement | Status: assigned
Priority: Normal | Milestone:
Component: ports | Version: 2.2.1
Resolution: | Keywords: haspatch
Port: ffmpeg ffmpeg-devel |
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Comment (by devans@…):
Replying to [comment:2 ionic@…]:
> If you're feeling advanturous, fetch http://mpv.io/ and configure +
build + install it with waf, then run
> {{{
> mpv -vo opengl-hq --hwdec=vda yourfavoriteH264video.mkv
> }}}
>
> to see ffmpeg with VDA in action (and inspect mpv's output to make sure
VDA is actually being used:
>
> {{{
> Trying to use hardware decoding.
> Selected video codec: H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10
[lavc:h264]
> Selected audio codec: ATSC A/52A (AC-3) [lavc:ac3]
> AO: [coreaudio] 48000Hz stereo 2ch float
> AV: 00:00:00 / 00:41:17 (0%) A-V: 0.000 Cache: 99%
> VO: [opengl-hq] 1280x720 => 1280x720 vda <<<
> }}}
Since you've done this already, it would great if you'd put together a
Portfile for mpv and submit it on a separate ticket. I'd be glad to
commit it for you. The waf PortGroup makes it pretty simple.
--
Ticket URL: <https://trac.macports.org/ticket/42863#comment:3>
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