Gstreamer convert to RGB on Nano

[gotsring]

Typically you don't have to specify what format to convert to when you use a
videoconvert or nvvidconv element. It should automatically figure out what
it can use to make it work. You also don't have to restate things like
framerate and image dimensions if they're staying the same.

I don't have snapshotfilter, but you can do the same with videorate and
multifilesink. Try this out:

gst-launch-1.0 nvarguscamerasrc ! 'video/x-raw(memory:NVMM), width=1280,
height=720, framerate=120/1' ! tee name=t \
 t. ! queue ! nvvidconv ! videorate ! 'video/x-raw, framerate=2/1' ! jpegenc
! multifilesink location="snapshot_%04d.jpg" \
 t. ! queue ! nvvidconv ! omxh264enc ! h264parse ! qtmux ! filesink
location=tester1.mp4 -e



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