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| -rw-r--r-- | Documentation/userspace-api/media/v4l/pixfmt-indexed.rst | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/Documentation/userspace-api/media/v4l/pixfmt-indexed.rst b/Documentation/userspace-api/media/v4l/pixfmt-indexed.rst new file mode 100644 index 000000000000..5bd4a47c5854 --- /dev/null +++ b/Documentation/userspace-api/media/v4l/pixfmt-indexed.rst @@ -0,0 +1,47 @@ +.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later + +.. _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 + + * - Identifier + - Code + - + - :cspan:`7` Byte 0 + * - + - + - 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` |