How to get vaapidech265 output as opencv BGR mat?

[Víctor Jáquez]

On Tue, 29 Oct 2019 at 16:57, jeyp4 wrote:
> Hello
> 
> I am building an application which emulates below command except
> 'xvimagesink'.
> 
> gst-launch-1.0 -v v4l2src  !
> 'video/x-raw,format=(string)YV12,width=1280,height=720' ! vaapih265enc !
> vaapidecode ! xvimagesink

vaapidecode doesn't exist anymore. Are using gstreamer-1.8?

> 
> 
> I checked vaapidecode caps through verbose
> 
> vaapidecode0.GstPad:src: caps = "video/x-raw\,\ format\=\(string\)I420\,\
> width\=\(int\)1280\,\ height\=\(int\)736\,\
> interlace-mode\=\(string\)progressive\,\
> pixel-aspect-ratio\=\(fraction\)1/1\,\ chroma-site\=\(string\)mpeg2\,\
> colorimetry\=\(string\)bt709\,\ framerate\=\(fraction\)25/1"
> 
> 
> *What is the efficient way to replace  'xvimagesink' and get the buffer as
> opencv BGR mat?*

You would need vaapipostproc to do the color transformation and set the BGR
format.

> 
> 
> 
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