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.. -*- coding: utf-8; mode: rst -*-

.. _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


    -  .. row 1

       -  Identifier

       -  Code

       -
       -  :cspan:`7` Byte 0

    -  .. row 2

       -
       -
       -  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`