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