xref: /OK3568_Linux_fs/kernel/Documentation/userspace-api/media/v4l/pixfmt-grey.rst (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
2*4882a593Smuzhiyun
3*4882a593Smuzhiyun.. _V4L2-PIX-FMT-GREY:
4*4882a593Smuzhiyun
5*4882a593Smuzhiyun**************************
6*4882a593SmuzhiyunV4L2_PIX_FMT_GREY ('GREY')
7*4882a593Smuzhiyun**************************
8*4882a593Smuzhiyun
9*4882a593SmuzhiyunGrey-scale image
10*4882a593Smuzhiyun
11*4882a593Smuzhiyun
12*4882a593SmuzhiyunDescription
13*4882a593Smuzhiyun===========
14*4882a593Smuzhiyun
15*4882a593SmuzhiyunThis is a grey-scale image. It is really a degenerate Y'CbCr format
16*4882a593Smuzhiyunwhich simply contains no Cb or Cr data.
17*4882a593Smuzhiyun
18*4882a593Smuzhiyun**Byte Order.**
19*4882a593SmuzhiyunEach cell is one byte.
20*4882a593Smuzhiyun
21*4882a593Smuzhiyun.. flat-table::
22*4882a593Smuzhiyun    :header-rows:  0
23*4882a593Smuzhiyun    :stub-columns: 0
24*4882a593Smuzhiyun
25*4882a593Smuzhiyun    * - start + 0:
26*4882a593Smuzhiyun      - Y'\ :sub:`00`
27*4882a593Smuzhiyun      - Y'\ :sub:`01`
28*4882a593Smuzhiyun      - Y'\ :sub:`02`
29*4882a593Smuzhiyun      - Y'\ :sub:`03`
30*4882a593Smuzhiyun    * - start + 4:
31*4882a593Smuzhiyun      - Y'\ :sub:`10`
32*4882a593Smuzhiyun      - Y'\ :sub:`11`
33*4882a593Smuzhiyun      - Y'\ :sub:`12`
34*4882a593Smuzhiyun      - Y'\ :sub:`13`
35*4882a593Smuzhiyun    * - start + 8:
36*4882a593Smuzhiyun      - Y'\ :sub:`20`
37*4882a593Smuzhiyun      - Y'\ :sub:`21`
38*4882a593Smuzhiyun      - Y'\ :sub:`22`
39*4882a593Smuzhiyun      - Y'\ :sub:`23`
40*4882a593Smuzhiyun    * - start + 12:
41*4882a593Smuzhiyun      - Y'\ :sub:`30`
42*4882a593Smuzhiyun      - Y'\ :sub:`31`
43*4882a593Smuzhiyun      - Y'\ :sub:`32`
44*4882a593Smuzhiyun      - Y'\ :sub:`33`
45