Nvvidconv with v4l2src

[manqi3334]

hello, my camera support YUV420M and i get right picture like this:
gst-launch-1.0 v4l2src device=“/dev/video0” ! videoconvert ! omxh264enc insert-sps-pps=1 bitrate=20000000 ! rtph264pay ! udpsink host=127.0.0.1 port=5000 sync=false async=false

when i changed pipeline link this, the picture is incorrect, i need some help
gst-launch-1.0 v4l2src device=“/dev/video0” ! nvvidconv ! omxh264enc insert-sps-pps=1 bitrate=20000000 ! rtph264pay ! udpsink host=127.0.0.1 port=5000 sync=false async=false

[DaneLLL]

Hi,
Please check if you can see correct output by running the command:

gst-launch-1.0 v4l2src device="/dev/video0" ! video/x-raw,format=I420 ! nvvidconv ! 'video/x-raw(memory:NVMM),format=I420' ! nvoverlaysink