linux/linux-5.18.11/Documentation/userspace-api/media/v4l/pixfmt-indexed.rst

48 lines
881 B
ReStructuredText
Raw Normal View History

2024-03-22 18:12:32 +00:00
.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
.. _pixfmt-indexed:
**************
Indexed Format
**************
In this format each pixel is represented by an 8 bit index into a 256
entry ARGB palette. It is intended for
:ref:`Video Output Overlays <osd>` only. There are no ioctls to access
the palette, this must be done with ioctls of the Linux framebuffer API.
.. flat-table:: Indexed Image Format
:header-rows: 2
:stub-columns: 0
* - Identifier
- Code
-
- :cspan:`7` Byte 0
* -
-
- Bit
- 7
- 6
- 5
- 4
- 3
- 2
- 1
- 0
* .. _V4L2-PIX-FMT-PAL8:
- ``V4L2_PIX_FMT_PAL8``
- 'PAL8'
-
- i\ :sub:`7`
- i\ :sub:`6`
- i\ :sub:`5`
- i\ :sub:`4`
- i\ :sub:`3`
- i\ :sub:`2`
- i\ :sub:`1`
- i\ :sub:`0`