summaryrefslogtreecommitdiffstats
path: root/Documentation/userspace-api/media/v4l/pixfmt-indexed.rst
diff options
context:
space:
mode:
Diffstat (limited to 'Documentation/userspace-api/media/v4l/pixfmt-indexed.rst')
-rw-r--r--Documentation/userspace-api/media/v4l/pixfmt-indexed.rst47
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 000000000..5bd4a47c5
--- /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`