xref: /OK3568_Linux_fs/kernel/Documentation/userspace-api/media/v4l/pixfmt-z16.rst (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
2*4882a593Smuzhiyun
3*4882a593Smuzhiyun.. _V4L2-PIX-FMT-Z16:
4*4882a593Smuzhiyun
5*4882a593Smuzhiyun*************************
6*4882a593SmuzhiyunV4L2_PIX_FMT_Z16 ('Z16 ')
7*4882a593Smuzhiyun*************************
8*4882a593Smuzhiyun
9*4882a593Smuzhiyun
10*4882a593Smuzhiyun16-bit depth data with distance values at each pixel
11*4882a593Smuzhiyun
12*4882a593Smuzhiyun
13*4882a593SmuzhiyunDescription
14*4882a593Smuzhiyun===========
15*4882a593Smuzhiyun
16*4882a593SmuzhiyunThis is a 16-bit format, representing depth data. Each pixel is a
17*4882a593Smuzhiyundistance to the respective point in the image coordinates. Distance unit
18*4882a593Smuzhiyuncan vary and has to be negotiated with the device separately. Each pixel
19*4882a593Smuzhiyunis stored in a 16-bit word in the little endian byte order.
20*4882a593Smuzhiyun
21*4882a593Smuzhiyun**Byte Order.**
22*4882a593SmuzhiyunEach cell is one byte.
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24*4882a593Smuzhiyun
25*4882a593Smuzhiyun
26*4882a593Smuzhiyun
27*4882a593Smuzhiyun.. flat-table::
28*4882a593Smuzhiyun    :header-rows:  0
29*4882a593Smuzhiyun    :stub-columns: 0
30*4882a593Smuzhiyun
31*4882a593Smuzhiyun    * - start + 0:
32*4882a593Smuzhiyun      - Z\ :sub:`00low`
33*4882a593Smuzhiyun      - Z\ :sub:`00high`
34*4882a593Smuzhiyun      - Z\ :sub:`01low`
35*4882a593Smuzhiyun      - Z\ :sub:`01high`
36*4882a593Smuzhiyun      - Z\ :sub:`02low`
37*4882a593Smuzhiyun      - Z\ :sub:`02high`
38*4882a593Smuzhiyun      - Z\ :sub:`03low`
39*4882a593Smuzhiyun      - Z\ :sub:`03high`
40*4882a593Smuzhiyun    * - start + 8:
41*4882a593Smuzhiyun      - Z\ :sub:`10low`
42*4882a593Smuzhiyun      - Z\ :sub:`10high`
43*4882a593Smuzhiyun      - Z\ :sub:`11low`
44*4882a593Smuzhiyun      - Z\ :sub:`11high`
45*4882a593Smuzhiyun      - Z\ :sub:`12low`
46*4882a593Smuzhiyun      - Z\ :sub:`12high`
47*4882a593Smuzhiyun      - Z\ :sub:`13low`
48*4882a593Smuzhiyun      - Z\ :sub:`13high`
49*4882a593Smuzhiyun    * - start + 16:
50*4882a593Smuzhiyun      - Z\ :sub:`20low`
51*4882a593Smuzhiyun      - Z\ :sub:`20high`
52*4882a593Smuzhiyun      - Z\ :sub:`21low`
53*4882a593Smuzhiyun      - Z\ :sub:`21high`
54*4882a593Smuzhiyun      - Z\ :sub:`22low`
55*4882a593Smuzhiyun      - Z\ :sub:`22high`
56*4882a593Smuzhiyun      - Z\ :sub:`23low`
57*4882a593Smuzhiyun      - Z\ :sub:`23high`
58*4882a593Smuzhiyun    * - start + 24:
59*4882a593Smuzhiyun      - Z\ :sub:`30low`
60*4882a593Smuzhiyun      - Z\ :sub:`30high`
61*4882a593Smuzhiyun      - Z\ :sub:`31low`
62*4882a593Smuzhiyun      - Z\ :sub:`31high`
63*4882a593Smuzhiyun      - Z\ :sub:`32low`
64*4882a593Smuzhiyun      - Z\ :sub:`32high`
65*4882a593Smuzhiyun      - Z\ :sub:`33low`
66*4882a593Smuzhiyun      - Z\ :sub:`33high`
67