File: pixfmt-indexed.rst

package info (click to toggle)
linux 6.12.38-1
  • links: PTS, VCS
  • area: main
  • in suites: trixie
  • size: 1,675,544 kB
  • sloc: ansic: 25,916,840; asm: 269,589; sh: 136,393; python: 65,219; makefile: 55,714; perl: 37,750; xml: 19,284; cpp: 5,894; yacc: 4,927; lex: 2,939; awk: 1,594; sed: 28; ruby: 25
file content (47 lines) | stat: -rw-r--r-- 881 bytes parent folder | download | duplicates (32)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
.. 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`