xref: /OK3568_Linux_fs/kernel/Documentation/userspace-api/media/v4l/pixfmt-srggb8.rst (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
2*4882a593Smuzhiyun
3*4882a593Smuzhiyun.. _V4L2-PIX-FMT-SRGGB8:
4*4882a593Smuzhiyun.. _v4l2-pix-fmt-sbggr8:
5*4882a593Smuzhiyun.. _v4l2-pix-fmt-sgbrg8:
6*4882a593Smuzhiyun.. _v4l2-pix-fmt-sgrbg8:
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8*4882a593Smuzhiyun***************************************************************************************************************************
9*4882a593SmuzhiyunV4L2_PIX_FMT_SRGGB8 ('RGGB'), V4L2_PIX_FMT_SGRBG8 ('GRBG'), V4L2_PIX_FMT_SGBRG8 ('GBRG'), V4L2_PIX_FMT_SBGGR8 ('BA81'),
10*4882a593Smuzhiyun***************************************************************************************************************************
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12*4882a593Smuzhiyun
13*4882a593Smuzhiyun8-bit Bayer formats
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16*4882a593SmuzhiyunDescription
17*4882a593Smuzhiyun===========
18*4882a593Smuzhiyun
19*4882a593SmuzhiyunThese four pixel formats are raw sRGB / Bayer formats with 8 bits per
20*4882a593Smuzhiyunsample. Each sample is stored in a byte. Each n-pixel row contains n/2
21*4882a593Smuzhiyungreen samples and n/2 blue or red samples, with alternating red and
22*4882a593Smuzhiyunblue rows. They are conventionally described as GRGR... BGBG...,
23*4882a593SmuzhiyunRGRG... GBGB..., etc. Below is an example of a small V4L2_PIX_FMT_SBGGR8 image:
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25*4882a593Smuzhiyun**Byte Order.**
26*4882a593SmuzhiyunEach cell is one byte.
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31*4882a593Smuzhiyun.. flat-table::
32*4882a593Smuzhiyun    :header-rows:  0
33*4882a593Smuzhiyun    :stub-columns: 0
34*4882a593Smuzhiyun
35*4882a593Smuzhiyun    * - start + 0:
36*4882a593Smuzhiyun      - B\ :sub:`00`
37*4882a593Smuzhiyun      - G\ :sub:`01`
38*4882a593Smuzhiyun      - B\ :sub:`02`
39*4882a593Smuzhiyun      - G\ :sub:`03`
40*4882a593Smuzhiyun    * - start + 4:
41*4882a593Smuzhiyun      - G\ :sub:`10`
42*4882a593Smuzhiyun      - R\ :sub:`11`
43*4882a593Smuzhiyun      - G\ :sub:`12`
44*4882a593Smuzhiyun      - R\ :sub:`13`
45*4882a593Smuzhiyun    * - start + 8:
46*4882a593Smuzhiyun      - B\ :sub:`20`
47*4882a593Smuzhiyun      - G\ :sub:`21`
48*4882a593Smuzhiyun      - B\ :sub:`22`
49*4882a593Smuzhiyun      - G\ :sub:`23`
50*4882a593Smuzhiyun    * - start + 12:
51*4882a593Smuzhiyun      - G\ :sub:`30`
52*4882a593Smuzhiyun      - R\ :sub:`31`
53*4882a593Smuzhiyun      - G\ :sub:`32`
54*4882a593Smuzhiyun      - R\ :sub:`33`
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