pipeline = Gst.parse_launch("v4l2src device=/dev/video0 ! capsfilter name=mycapsfilter caps='video/x-raw,format=YUY2,width=1280,height=720' ! x264enc tune=zerolatency ! mp4mux ! filesink location=/tmp/file.mp4")



/usr/bin/python2.7 /home/martin/PycharmProjects/gstreamer/e.py
Traceback (most recent call last):
  File "/home/martin/PycharmProjects/gstreamer/e.py", line 10, in <module>
    pipeline = Gst.parse_launch("v4l2src device=/dev/video0 ! capsfilter name=mycapsfilter caps='video/x-raw,format=YUY2,width=1280,height=720' ! x264enc tune=zerolatency ! mp4mux ! filesink location=/tmp/file.mp4")
GLib.Error: gst_parse_error: could not set property "caps" in element "mycapsfilter" to "'video/x-raw,format=YUY2,width=1280,height=720'" (4)

Process finished with exit code 1