Theora Encoder filter doesn't work with YUY2 webcam output
Theora Encoder dshow filter doesn't work for USB camera with YUY2 output, but it works for RGB24 output.
graph: UsbCamera -> Theora Encoder -> Ogg Muxer
output file is not created by ogg muxer
P.S tested for two different USB camera with YUY2 output on two different computers.