Accessing raw data from v4lsrc

[simo zz]

Hello,I need to generate a video from a USB webcam and, at the same time, access to the non encoded raw data of the webcam.The following pipe works for me to record a video:
gst-launch-1.0 -e v4l2src device=/dev/webcam ! videoconvert ! video/x-raw,width=544,height=288,framerate=10/1 ! v4l2h264enc ! h264parse ! mp4mux ! filesink location=video.mp4 

But how do I get the raw data from webcam with gstreamer ?Thank you.Simon
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