[FFmpeg-devel] [PATCH v1] avfilter: add overlay vaapi filter

[Wang, Fei W]

On Fri, 2021-11-19 at 15:14 +0000, Soft Works wrote:
> > -----Original Message-----
> > From: ffmpeg-devel <ffmpeg-devel-bounces at ffmpeg.org> On Behalf Of
> > Wang, Fei W
> > Sent: Friday, November 19, 2021 2:15 AM
> > To: ffmpeg-devel at ffmpeg.org
> > Cc: Sun, Xinpeng <xinpeng.sun at intel.com>; Zhou, Zachary
> > <zachary.zhou at intel.com>
> > Subject: Re: [FFmpeg-devel] [PATCH v1] avfilter: add overlay vaapi
> > filter
> > 
> > On Thu, 2021-11-18 at 21:55 +0000, Soft Works wrote:
> > > > -----Original Message-----
> > > > From: ffmpeg-devel <ffmpeg-devel-bounces at ffmpeg.org> On Behalf
> > > > Of
> > > > Fei
> > > > Wang
> > > > Sent: Tuesday, June 30, 2020 5:58 AM
> > > > To: ffmpeg-devel at ffmpeg.org
> > > > Cc: Xinpeng Sun <xinpeng.sun at intel.com>; Zachary Zhou
> > > > <zachary.zhou at intel.com>; Fei Wang <fei.w.wang at intel.com>
> > > > Subject: [FFmpeg-devel] [PATCH v1] avfilter: add overlay vaapi
> > > > filter
> > > > 
> > > > From: Xinpeng Sun <xinpeng.sun at intel.com>
> > > > 
> > > > Overlay one video on the top of another.
> > > > 
> > > > It takes two inputs and has one output. The first input is the
> > > > "main"
> > > > video on
> > > > which the second input is overlaid. This filter requires same
> > > > memory
> > > > layout for
> > > > all the inputs.
> > > > 
> > > > An example command to use this filter to overlay an image LOGO
> > > > at
> > > > the
> > > > top-left
> > > > corner of the INPUT video and both inputs are h264 file:
> > > > 
> > > > ffmpeg -hwaccel vaapi -vaapi_device /dev/dri/renderD128 \
> > > > -hwaccel_output_format vaapi -i INPUT.h264 -hwaccel vaapi \
> > > > -vaapi_device /dev/dri/renderD128 -hwaccel_output_format vaapi
> > > > -i
> > \
> > > > LOGO.h264 -filter_complex
> > > > "[0:v][1:v]overlay_vaapi=w=50:h=50:alpha=0.5" \
> > > > -c:v h264_vaapi -y OUTPUT.h264
> > > > 
> > > > Signed-off-by: Xinpeng Sun <xinpeng.sun at intel.com>
> > > > Signed-off-by: Zachary Zhou <zachary.zhou at intel.com>
> > > > Signed-off-by: Fei Wang <fei.w.wang at intel.com>
> > > > ---
> > > 
> > > Does anybody know why this filter hasn't been merged?
> > > I always thought it would have been included for quite a while.
> > > 
> > > Is there any problem with it?
> > 
> > Because nobody helped to review/apply it. It works base on our
> > local
> > test. If anybody can help to apply it, I will submit a new version
> > to
> > port it to latest mater.
> 
> I can't merge but I'm ready to review it. The patch from cartwheel
> doesn't apply either, so when you could supply an updated patch, that
> would be great.

Thanks Softworkz! New version V2 base on master already submitted,
please help to review. 

Also Ping anyone who can help to apply this patch after review.

Thanks
Fei

> 
> Thanks,
> softworkz
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