[vlc-devel] [PATCH] vaapi: add support for VP8/9 decoding

[Mathieu Velten]

https://github.com/FFmpeg/FFmpeg/commit/8655c54160767de1a6b96f8bc310d6e4eaceff48

Seems to be there since ffmpeg 2.8, does VLC master support earlier
versions ?

Le mar. 29 nov. 2016 à 09:12, Steve Lhomme <robux4 at gmail.com> a écrit :

On Tue, Nov 29, 2016 at 9:07 AM, Mathieu Velten <matmaul at gmail.com> wrote:
> Hi Jean Baptiste,
>
> It is rejected later in ffmpeg_GetFormat and fallback to software if not
> supported by ffmpeg.

But when was FF_PROFILE_VP9_0 added in libavcodec ?

> Le mar. 29 nov. 2016 à 01:45, Jean-Baptiste Kempf <jb at videolan.org> a
écrit
> :
>>
>> Hello Mathieu,
>>
>> Doesn't this require some #ifdefery then?
>>
>> Bes,
>>
>> On Mon, 28 Nov 2016, at 22:24, Mathieu Velten wrote:
>> > Tested with VP9, both profiles.
>> > Profile 2 needs this ffmpeg patch to be merged to work.
>> > http://ffmpeg.org/pipermail/ffmpeg-devel/2016-November/203581.html
>> >
>> > VP8 untested, the needed code is coming to ffmpeg soon.
>> > http://ffmpeg.org/pipermail/ffmpeg-devel/2016-November/202722.html
>> >
>> > ---
>> >  modules/codec/avcodec/vaapi.c | 13 +++++++++++++
>> >  1 file changed, 13 insertions(+)
>> >
>> > diff --git a/modules/codec/avcodec/vaapi.c
>> > b/modules/codec/avcodec/vaapi.c
>> > index c9e51fe..f2459bc 100644
>> > --- a/modules/codec/avcodec/vaapi.c
>> > +++ b/modules/codec/avcodec/vaapi.c
>> > @@ -327,6 +327,19 @@ static int Create( vlc_va_t *va, AVCodecContext
>> > *ctx, enum PixelFormat pix_fmt,
>> >              return VLC_EGENERIC;
>> >          count = 18;
>> >          break;
>> > +    case AV_CODEC_ID_VP8:
>> > +        i_profile = VAProfileVP8Version0_3;
>> > +        count = 5;
>> > +        break;
>> > +    case AV_CODEC_ID_VP9:
>> > +        if (ctx->profile == FF_PROFILE_VP9_0)
>> > +            i_profile = VAProfileVP9Profile0;
>> > +        else if (ctx->profile == FF_PROFILE_VP9_2)
>> > +            i_profile = VAProfileVP9Profile2;
>> > +        else
>> > +            return VLC_EGENERIC;
>> > +        count = 10;
>> > +        break;
>> >      default:
>> >          return VLC_EGENERIC;
>> >      }
>> > --
>> > 2.9.3
>> >
>> > _______________________________________________
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>>
>>
>> --
>> Jean-Baptiste Kempf -  President
>> +33 672 704 734
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>
>
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