xref: /linux/Documentation/userspace-api/media/v4l/pixfmt-srggb12p.rst (revision 4e94ddfe2aab72139acb8d5372fac9e6c3f3e383)
1.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
2
3.. _V4L2-PIX-FMT-SRGGB12P:
4.. _v4l2-pix-fmt-sbggr12p:
5.. _v4l2-pix-fmt-sgbrg12p:
6.. _v4l2-pix-fmt-sgrbg12p:
7
8*******************************************************************************************************************************
9V4L2_PIX_FMT_SRGGB12P ('pRCC'), V4L2_PIX_FMT_SGRBG12P ('pgCC'), V4L2_PIX_FMT_SGBRG12P ('pGCC'), V4L2_PIX_FMT_SBGGR12P ('pBCC'),
10*******************************************************************************************************************************
11
12
1312-bit packed Bayer formats
14---------------------------
15
16
17Description
18===========
19
20These four pixel formats are packed raw sRGB / Bayer formats with 12
21bits per colour. Every two consecutive samples are packed into three
22bytes. Each of the first two bytes contain the 8 high order bits of
23the pixels, and the third byte contains the four least significants
24bits of each pixel, in the same order.
25
26Each n-pixel row contains n/2 green samples and n/2 blue or red
27samples, with alternating green-red and green-blue rows. They are
28conventionally described as GRGR... BGBG..., RGRG... GBGB..., etc.
29Below is an example of a small V4L2_PIX_FMT_SBGGR12P image:
30
31**Byte Order.**
32Each cell is one byte.
33
34.. tabularcolumns:: |p{2.2cm}|p{1.2cm}|p{1.2cm}|p{3.1cm}|p{1.2cm}|p{1.2cm}|p{6.4cm}|
35
36
37.. flat-table::
38    :header-rows:  0
39    :stub-columns: 0
40    :widths:       2 1 1 1 1 1 1
41
42
43    -  -  start + 0:
44       -  B\ :sub:`00high`
45       -  G\ :sub:`01high`
46       -  G\ :sub:`01low`\ (bits 7--4)
47
48          B\ :sub:`00low`\ (bits 3--0)
49       -  B\ :sub:`02high`
50       -  G\ :sub:`03high`
51       -  G\ :sub:`03low`\ (bits 7--4)
52
53          B\ :sub:`02low`\ (bits 3--0)
54
55    -  -  start + 6:
56       -  G\ :sub:`10high`
57       -  R\ :sub:`11high`
58       -  R\ :sub:`11low`\ (bits 7--4)
59
60          G\ :sub:`10low`\ (bits 3--0)
61       -  G\ :sub:`12high`
62       -  R\ :sub:`13high`
63       -  R\ :sub:`13low`\ (bits 7--4)
64
65          G\ :sub:`12low`\ (bits 3--0)
66    -  -  start + 12:
67       -  B\ :sub:`20high`
68       -  G\ :sub:`21high`
69       -  G\ :sub:`21low`\ (bits 7--4)
70
71          B\ :sub:`20low`\ (bits 3--0)
72       -  B\ :sub:`22high`
73       -  G\ :sub:`23high`
74       -  G\ :sub:`23low`\ (bits 7--4)
75
76          B\ :sub:`22low`\ (bits 3--0)
77    -  -  start + 18:
78       -  G\ :sub:`30high`
79       -  R\ :sub:`31high`
80       -  R\ :sub:`31low`\ (bits 7--4)
81
82          G\ :sub:`30low`\ (bits 3--0)
83       -  G\ :sub:`32high`
84       -  R\ :sub:`33high`
85       -  R\ :sub:`33low`\ (bits 7--4)
86
87          G\ :sub:`32low`\ (bits 3--0)
88