FOURCC.org - Video Codecs and Pixel Formats

Y41P yuv pixel format

This YUV 4:1:1 format is registered as a PCI standard format. Mediamatics MPEG 1 engine is the only codec (other than a Brooktree internal one) that I know of that can generate it.

  Horizontal Vertical
Y Sample Period 1 1
V Sample Period 4 1
U Sample Period 4 1

Effective bits per pixel : 12

Positive biHeight implies top-down image (top line first)

Child formats: IY41 Y41T