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-Guidelines for Linux4Linux pixel format 4CCs
-============================================
-
-Guidelines for Video4Linux 4CC codes defined using v4l2_fourcc() are
-specified in this document. First of the characters defines the nature of
-the pixel format, compression and colour space. The interpretation of the
-other three characters depends on the first one.
-
-Existing 4CCs may not obey these guidelines.
-
-Formats
-=======
-
-Raw bayer
----------
-
-The following first characters are used by raw bayer formats:
-
- B: raw bayer, uncompressed
- b: raw bayer, DPCM compressed
- a: A-law compressed
- u: u-law compressed
-
-2nd character: pixel order
- B: BGGR
- G: GBRG
- g: GRBG
- R: RGGB
-
-3rd character: uncompressed bits-per-pixel 0--9, A--
-
-4th character: compressed bits-per-pixel 0--9, A--