1.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later 2 3.. _pixfmt-indexed: 4 5************** 6Indexed Format 7************** 8 9In this format each pixel is represented by an 8 bit index into a 256 10entry ARGB palette. It is intended for 11:ref:`Video Output Overlays <osd>` only. There are no ioctls to access 12the 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 * - Identifier 21 - Code 22 - 23 - :cspan:`7` Byte 0 24 * - 25 - 26 - Bit 27 - 7 28 - 6 29 - 5 30 - 4 31 - 3 32 - 2 33 - 1 34 - 0 35 * .. _V4L2-PIX-FMT-PAL8: 36 37 - ``V4L2_PIX_FMT_PAL8`` 38 - 'PAL8' 39 - 40 - i\ :sub:`7` 41 - i\ :sub:`6` 42 - i\ :sub:`5` 43 - i\ :sub:`4` 44 - i\ :sub:`3` 45 - i\ :sub:`2` 46 - i\ :sub:`1` 47 - i\ :sub:`0` 48