Documentation/media/uapi/v4l/pixfmt-indexed.rst

   1 .. -*- coding: utf-8; mode: rst -*-
   2
   3 .. _pixfmt-indexed:
   4
   5 **************
   6 Indexed Format
   7 **************
   8
   9 In this format each pixel is represented by an 8 bit index into a 256
  10 entry ARGB palette. It is intended for
  11 :ref:`Video Output Overlays <osd>` only. There are no ioctls to access
  12 the palette, this must be done with ioctls of the Linux framebuffer API.
  13
  14
  15
  16 .. flat-table:: Indexed Image Format
  17     :header-rows:  2
  18     :stub-columns: 0
  19
  20
  21     -  .. row 1
  22
  23        -  Identifier
  24
  25        -  Code
  26
  27        -
  28        -  :cspan:`7` Byte 0
  29
  30     -  .. row 2
  31
  32        -
  33        -
  34        -  Bit
  35
  36        -  7
  37
  38        -  6
  39
  40        -  5
  41
  42        -  4
  43
  44        -  3
  45
  46        -  2
  47
  48        -  1
  49
  50        -  0
  51
  52     -  .. _V4L2-PIX-FMT-PAL8:
  53
  54        -  ``V4L2_PIX_FMT_PAL8``
  55
  56        -  'PAL8'
  57
  58        -
  59        -  i\ :sub:`7`
  60
  61        -  i\ :sub:`6`
  62
  63        -  i\ :sub:`5`
  64
  65        -  i\ :sub:`4`
  66
  67        -  i\ :sub:`3`
  68
  69        -  i\ :sub:`2`
  70
  71        -  i\ :sub:`1`
  72
  73        -  i\ :sub:`0`