How and why v4l2src able to take YV12 format?

[jeyp4]

Sorry, if I am not clear in my latest reply.
Instead of trying the patch on  Nvidia Jetson, I just perform a new
gst-build of latest gstreamer on my Intel PC. (Because I see that you have
modified gst-pluging-good -> gstv4l2object.c file)

Still, on latest gstreamer v4l2src can't take {video/x-raw, format=YV12}. It
is still performing well with {image/jpeg ! jpegdec}



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