Larry 
I'm using a webcam that can output motion jpeg or yuyv442, I was using mjpg-streamer to streaming motion jpeg with a very smooth video on the a html page. But the problem is, motion jpeg need a lot bandwidth the frame rate drop a lot when using the mobile network on my phone. Is there any way to have a smaller streaming size and take less CPU (because I'm planning to have 4 video at the same time)?