1.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later 2.. c:namespace:: V4L 3 4.. _pixfmt-indexed: 5 6************** 7Indexed Format 8************** 9 10In this format each pixel is represented by an 8 bit index into a 256 11entry ARGB palette. It is intended for 12:ref:`Video Output Overlays <osd>` only. There are no ioctls to access 13the palette, this must be done with ioctls of the Linux framebuffer API. 14 15 16 17.. flat-table:: Indexed Image Format 18 :header-rows: 2 19 :stub-columns: 0 20 21 * - Identifier 22 - Code 23 - 24 - :cspan:`7` Byte 0 25 * - 26 - 27 - Bit 28 - 7 29 - 6 30 - 5 31 - 4 32 - 3 33 - 2 34 - 1 35 - 0 36 * .. _V4L2-PIX-FMT-PAL8: 37 38 - ``V4L2_PIX_FMT_PAL8`` 39 - 'PAL8' 40 - 41 - i\ :sub:`7` 42 - i\ :sub:`6` 43 - i\ :sub:`5` 44 - i\ :sub:`4` 45 - i\ :sub:`3` 46 - i\ :sub:`2` 47 - i\ :sub:`1` 48 - i\ :sub:`0` 49