V4L clients should be able to specify the video header to be present in all I-frame (as it is common in many broadcasting scenarios). By specifying this mode, V4L clients will receive sps/pps information prepended to all I-frames. Change-Id: Ia93b1d0a59b8d1abf13d1bdb8de494f13ebe1c95 Signed-off-by: Deva Ramasubramanian <dramasub@codeaurora.org>