On Sun, 2021-12-19 at 23:55 +0800, Zhong Li wrote:
> Xiang, Haihao <haihao.xi...@intel.com> 于2021年12月6日周一 11:09写道：
> > > --- a/libavcodec/qsvenc_hevc.c
> > > +++ b/libavcodec/qsvenc_hevc.c
> > > @@ -248,6 +248,7 @@ static const AVOption options[] = {
> > > { "tile_rows", "Number of rows for tiled
> > > encoding", OFFSET(qsv.tile_rows), AV_OPT_TYPE_INT, { .i64 = 0 },
> > > 0,
> > > UINT16_MAX, VE },
> > > { "recovery_point_sei", "Insert recovery point SEI
> > > messages", OFFSET(qsv.recovery_point_sei), AV_OPT_TYPE_INT, {
> > > .i64
> > > = -1 }, -1, 1, VE },
> > > { "aud", "Insert the Access Unit Delimiter NAL", OFFSET(qsv.aud),
> > > AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, VE},
> > > + { "look_ahead_depth", "Depth of look ahead in number frames",
> > > OFFSET(qsv.look_ahead_depth), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 100, VE },
> > >
> > > { NULL },
> > > };
> >
> > Any comment for this patch ? Could someone help to merge this patch if no
> > objection ?
>
> How to verify this function? is it depended on a special version of
> MSDK && vaapi-driver?
> I tried to enable extbrc and disable/enable look_ahead_depth (set to
> zero/20) for hevc_qsv but found there are no difference of the encoded
> files.
AFAIK this function depends on your MSDK runtime. There is no impact when user
turns on this option but the MSDK runtime doesn't support it.
Thanks
Haihao
_______________________________________________
ffmpeg-devel mailing list
ffmpeg-devel@ffmpeg.org
https://ffmpeg.org/mailman/listinfo/ffmpeg-devel
To unsubscribe, visit link above, or email
ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
