82 lines
2.0 KiB
ReStructuredText
82 lines
2.0 KiB
ReStructuredText
.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
|
|
|
|
.. _v4l2-selection-targets:
|
|
|
|
*****************
|
|
Selection targets
|
|
*****************
|
|
|
|
The precise meaning of the selection targets may be dependent on which
|
|
of the two interfaces they are used.
|
|
|
|
|
|
.. _v4l2-selection-targets-table:
|
|
|
|
.. raw:: latex
|
|
|
|
\small
|
|
|
|
.. tabularcolumns:: |p{6.2cm}|p{1.4cm}|p{7.3cm}|p{1.2cm}|p{0.8cm}|
|
|
|
|
.. cssclass:: longtable
|
|
|
|
.. flat-table:: Selection target definitions
|
|
:header-rows: 1
|
|
:stub-columns: 0
|
|
|
|
* - Target name
|
|
- id
|
|
- Definition
|
|
- Valid for V4L2
|
|
- Valid for V4L2 subdev
|
|
* - ``V4L2_SEL_TGT_CROP``
|
|
- 0x0000
|
|
- Crop rectangle. Defines the cropped area.
|
|
- Yes
|
|
- Yes
|
|
* - ``V4L2_SEL_TGT_CROP_DEFAULT``
|
|
- 0x0001
|
|
- Suggested cropping rectangle that covers the "whole picture".
|
|
This includes only active pixels and excludes other non-active
|
|
pixels such as black pixels.
|
|
- Yes
|
|
- Yes
|
|
* - ``V4L2_SEL_TGT_CROP_BOUNDS``
|
|
- 0x0002
|
|
- Bounds of the crop rectangle. All valid crop rectangles fit inside
|
|
the crop bounds rectangle.
|
|
- Yes
|
|
- Yes
|
|
* - ``V4L2_SEL_TGT_NATIVE_SIZE``
|
|
- 0x0003
|
|
- The native size of the device, e.g. a sensor's pixel array.
|
|
``left`` and ``top`` fields are zero for this target.
|
|
- Yes
|
|
- Yes
|
|
* - ``V4L2_SEL_TGT_COMPOSE``
|
|
- 0x0100
|
|
- Compose rectangle. Used to configure scaling and composition.
|
|
- Yes
|
|
- Yes
|
|
* - ``V4L2_SEL_TGT_COMPOSE_DEFAULT``
|
|
- 0x0101
|
|
- Suggested composition rectangle that covers the "whole picture".
|
|
- Yes
|
|
- No
|
|
* - ``V4L2_SEL_TGT_COMPOSE_BOUNDS``
|
|
- 0x0102
|
|
- Bounds of the compose rectangle. All valid compose rectangles fit
|
|
inside the compose bounds rectangle.
|
|
- Yes
|
|
- Yes
|
|
* - ``V4L2_SEL_TGT_COMPOSE_PADDED``
|
|
- 0x0103
|
|
- The active area and all padding pixels that are inserted or
|
|
modified by hardware.
|
|
- Yes
|
|
- No
|
|
|
|
.. raw:: latex
|
|
|
|
\normalsize
|