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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--
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