Merge tag 'sound-5.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai...
[linux-2.6-microblaze.git] / Documentation / userspace-api / media / v4l / v4l2-selection-targets.rst
1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
2
3 .. _v4l2-selection-targets:
4
5 *****************
6 Selection targets
7 *****************
8
9 The precise meaning of the selection targets may be dependent on which
10 of the two interfaces they are used.
11
12
13 .. _v4l2-selection-targets-table:
14
15 .. raw:: latex
16
17    \small
18
19 .. tabularcolumns:: |p{6.2cm}|p{1.4cm}|p{7.3cm}|p{1.2cm}|p{0.8cm}|
20
21 .. cssclass:: longtable
22
23 .. flat-table:: Selection target definitions
24     :header-rows:  1
25     :stub-columns: 0
26
27     * - Target name
28       - id
29       - Definition
30       - Valid for V4L2
31       - Valid for V4L2 subdev
32     * - ``V4L2_SEL_TGT_CROP``
33       - 0x0000
34       - Crop rectangle. Defines the cropped area.
35       - Yes
36       - Yes
37     * - ``V4L2_SEL_TGT_CROP_DEFAULT``
38       - 0x0001
39       - Suggested cropping rectangle that covers the "whole picture".
40         This includes only active pixels and excludes other non-active
41         pixels such as black pixels.
42       - Yes
43       - Yes
44     * - ``V4L2_SEL_TGT_CROP_BOUNDS``
45       - 0x0002
46       - Bounds of the crop rectangle. All valid crop rectangles fit inside
47         the crop bounds rectangle.
48       - Yes
49       - Yes
50     * - ``V4L2_SEL_TGT_NATIVE_SIZE``
51       - 0x0003
52       - The native size of the device, e.g. a sensor's pixel array.
53         ``left`` and ``top`` fields are zero for this target.
54       - Yes
55       - Yes
56     * - ``V4L2_SEL_TGT_COMPOSE``
57       - 0x0100
58       - Compose rectangle. Used to configure scaling and composition.
59       - Yes
60       - Yes
61     * - ``V4L2_SEL_TGT_COMPOSE_DEFAULT``
62       - 0x0101
63       - Suggested composition rectangle that covers the "whole picture".
64       - Yes
65       - No
66     * - ``V4L2_SEL_TGT_COMPOSE_BOUNDS``
67       - 0x0102
68       - Bounds of the compose rectangle. All valid compose rectangles fit
69         inside the compose bounds rectangle.
70       - Yes
71       - Yes
72     * - ``V4L2_SEL_TGT_COMPOSE_PADDED``
73       - 0x0103
74       - The active area and all padding pixels that are inserted or
75         modified by hardware.
76       - Yes
77       - No
78
79 .. raw:: latex
80
81    \normalsize