xref: /OK3568_Linux_fs/kernel/Documentation/userspace-api/media/v4l/pixfmt-srggb16.rst (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
2*4882a593Smuzhiyun
3*4882a593Smuzhiyun.. _V4L2-PIX-FMT-SRGGB16:
4*4882a593Smuzhiyun.. _v4l2-pix-fmt-sbggr16:
5*4882a593Smuzhiyun.. _v4l2-pix-fmt-sgbrg16:
6*4882a593Smuzhiyun.. _v4l2-pix-fmt-sgrbg16:
7*4882a593Smuzhiyun
8*4882a593Smuzhiyun
9*4882a593Smuzhiyun***************************************************************************************************************************
10*4882a593SmuzhiyunV4L2_PIX_FMT_SRGGB16 ('RG16'), V4L2_PIX_FMT_SGRBG16 ('GR16'), V4L2_PIX_FMT_SGBRG16 ('GB16'), V4L2_PIX_FMT_SBGGR16 ('BYR2'),
11*4882a593Smuzhiyun***************************************************************************************************************************
12*4882a593Smuzhiyun
13*4882a593Smuzhiyun
14*4882a593Smuzhiyun16-bit Bayer formats
15*4882a593Smuzhiyun
16*4882a593Smuzhiyun
17*4882a593SmuzhiyunDescription
18*4882a593Smuzhiyun===========
19*4882a593Smuzhiyun
20*4882a593SmuzhiyunThese four pixel formats are raw sRGB / Bayer formats with 16 bits per
21*4882a593Smuzhiyunsample. Each sample is stored in a 16-bit word. Each n-pixel row contains
22*4882a593Smuzhiyunn/2 green samples and n/2 blue or red samples, with alternating red and blue
23*4882a593Smuzhiyunrows. Bytes are stored in memory in little endian order. They are
24*4882a593Smuzhiyunconventionally described as GRGR... BGBG..., RGRG... GBGB..., etc. Below is
25*4882a593Smuzhiyunan example of a small V4L2_PIX_FMT_SBGGR16 image:
26*4882a593Smuzhiyun
27*4882a593Smuzhiyun**Byte Order.**
28*4882a593SmuzhiyunEach cell is one byte.
29*4882a593Smuzhiyun
30*4882a593Smuzhiyun.. flat-table::
31*4882a593Smuzhiyun    :header-rows:  0
32*4882a593Smuzhiyun    :stub-columns: 0
33*4882a593Smuzhiyun
34*4882a593Smuzhiyun    * - start + 0:
35*4882a593Smuzhiyun      - B\ :sub:`00low`
36*4882a593Smuzhiyun      - B\ :sub:`00high`
37*4882a593Smuzhiyun      - G\ :sub:`01low`
38*4882a593Smuzhiyun      - G\ :sub:`01high`
39*4882a593Smuzhiyun      - B\ :sub:`02low`
40*4882a593Smuzhiyun      - B\ :sub:`02high`
41*4882a593Smuzhiyun      - G\ :sub:`03low`
42*4882a593Smuzhiyun      - G\ :sub:`03high`
43*4882a593Smuzhiyun    * - start + 8:
44*4882a593Smuzhiyun      - G\ :sub:`10low`
45*4882a593Smuzhiyun      - G\ :sub:`10high`
46*4882a593Smuzhiyun      - R\ :sub:`11low`
47*4882a593Smuzhiyun      - R\ :sub:`11high`
48*4882a593Smuzhiyun      - G\ :sub:`12low`
49*4882a593Smuzhiyun      - G\ :sub:`12high`
50*4882a593Smuzhiyun      - R\ :sub:`13low`
51*4882a593Smuzhiyun      - R\ :sub:`13high`
52*4882a593Smuzhiyun    * - start + 16:
53*4882a593Smuzhiyun      - B\ :sub:`20low`
54*4882a593Smuzhiyun      - B\ :sub:`20high`
55*4882a593Smuzhiyun      - G\ :sub:`21low`
56*4882a593Smuzhiyun      - G\ :sub:`21high`
57*4882a593Smuzhiyun      - B\ :sub:`22low`
58*4882a593Smuzhiyun      - B\ :sub:`22high`
59*4882a593Smuzhiyun      - G\ :sub:`23low`
60*4882a593Smuzhiyun      - G\ :sub:`23high`
61*4882a593Smuzhiyun    * - start + 24:
62*4882a593Smuzhiyun      - G\ :sub:`30low`
63*4882a593Smuzhiyun      - G\ :sub:`30high`
64*4882a593Smuzhiyun      - R\ :sub:`31low`
65*4882a593Smuzhiyun      - R\ :sub:`31high`
66*4882a593Smuzhiyun      - G\ :sub:`32low`
67*4882a593Smuzhiyun      - G\ :sub:`32high`
68*4882a593Smuzhiyun      - R\ :sub:`33low`
69*4882a593Smuzhiyun      - R\ :sub:`33high`
70