1 .. SPDX-License-Identifier: GPL-2.0
2
3 Guidelines for Video4Linux pixel format 4CCs
4 ============================================
5
6 Guidelines for Video4Linux 4CC codes defined u
7 specified in this document. First of the chara
8 the pixel format, compression and colour space
9 other three characters depends on the first on
10
11 Existing 4CCs may not obey these guidelines.
12
13 Raw bayer
14 ---------
15
16 The following first characters are used by raw
17
18 - B: raw bayer, uncompressed
19 - b: raw bayer, DPCM compressed
20 - a: A-law compressed
21 - u: u-law compressed
22
23 2nd character: pixel order
24
25 - B: BGGR
26 - G: GBRG
27 - g: GRBG
28 - R: RGGB
29
30 3rd character: uncompressed bits-per-pixel 0--
31
32 4th character: compressed bits-per-pixel 0--9,
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