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

[Wang, Fei W]

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.

Thanks
Fei

> 
> Thanks,
> softworkz
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