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Created by Lim Siew Hoon@SiewHoonContributor

v4l2src plugins with io-mode=3 (userptr) not working with msdkvpp plugin.

I'm USB camera with v4l2src and io-mode=3 is userptr is not working for msdkvpp. But it is working for vaapipostproc and videoconvert.

Environment : Yocto Linux, Gstreamer Framework 1.16.0/master branch,

Command pipeline: export GST_GL_PLATFORM=egl gst-launch-1.0 v4l2src io-mode=3 num-buffers=100 ! msdkvpp ! glimagesink --> not working gst-launch-1.0 v4l2src io-mode=3 num-buffers=100 ! videoconvert ! glimagesink --> working gst-launch-1.0 v4l2src io-mode=3 num-buffers=100 ! vaapipostproc ! glimagesink --> working