[FFmpeg-devel] [PATCH 1/2] avcodec: add av1 hardware acceleration decoder

Wang, Fei W fei.w.wang at intel.com
Mon Aug 24 05:43:22 EEST 2020



> -----Original Message-----
> From: ffmpeg-devel <ffmpeg-devel-bounces at ffmpeg.org> On Behalf Of James
> Almer
> Sent: Friday, August 21, 2020 11:01 PM
> To: ffmpeg-devel at ffmpeg.org
> Subject: Re: [FFmpeg-devel] [PATCH 1/2] avcodec: add av1 hardware
> acceleration decoder
> 
> On 8/21/2020 11:47 AM, Paul B Mahol wrote:
> > On 8/21/20, Fei Wang <fei.w.wang at intel.com> wrote:
> >> This av1 decoder is now only used for av1 hardware acceleration
> >> decoder. Consider it can be extend to a local decoder like hevc or
> >> vp9 in the future, so define its name as "av1" and put it into
> >> external libraries codec list.
> >>
> >> Signed-off-by: Fei Wang <fei.w.wang at intel.com>
> >> ---
> >>  Changelog              |   1 +
> >>  configure              |   1 +
> >>  libavcodec/Makefile    |   1 +
> >>  libavcodec/allcodecs.c |   1 +
> >>  libavcodec/av1dec.c    | 746
> +++++++++++++++++++++++++++++++++++++++++
> >>  libavcodec/av1dec.h    |  89 +++++
> > Sorry but those names are reserved for real native AV1 decoder.
> 
> If you actually look at the patch, you'll notice that this is basically the template
> of what eventually will become the native decoder, that for now only includes
> the high level bitstream parsing and the hwaccel hooks (And thus will only output
> frames if one is plugged in). So the names are fine.
Yes, the framework of this decoder is keep same as other decoders like hevc/vp9,
that means it will be flexible to extend to be a native decoder.

Fei
Thanks
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