yuv4mpeg version (return code: 0)
YUV4MPEG2 W720 H480 F30000:1001 Ip A10:11 C420mpeg2
yuv4mpeg --help (return code: 1)
yuv4mpeg usage: [-k] -w width -h height [-x chroma] [-a pixel aspect] [-i p|t|b] -r rate
Swap U and V: -k
Interlace codes [-i X]: p (none) t (top first) b (bottom first)
Rate (as ratio) [-r N:M] (30000:1001):
Pixel aspect (as ratio) [-a N:M] (10:11):
Specify chroma format [-x string] (420mpeg2)
-x help for list of formats
NOTE: Only the 3 plane formats supported