From 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sat, 27 Apr 2024 12:05:51 +0200 Subject: Adding upstream version 5.10.209. Signed-off-by: Daniel Baumann --- Documentation/userspace-api/media/v4l/fourcc.rst | 32 ++++++++++++++++++++++++ 1 file changed, 32 insertions(+) create mode 100644 Documentation/userspace-api/media/v4l/fourcc.rst (limited to 'Documentation/userspace-api/media/v4l/fourcc.rst') diff --git a/Documentation/userspace-api/media/v4l/fourcc.rst b/Documentation/userspace-api/media/v4l/fourcc.rst new file mode 100644 index 000000000..d3482c40d --- /dev/null +++ b/Documentation/userspace-api/media/v4l/fourcc.rst @@ -0,0 +1,32 @@ +.. SPDX-License-Identifier: GPL-2.0 + +Guidelines for Video4Linux pixel format 4CCs +============================================ + +Guidelines for Video4Linux 4CC codes defined using v4l2_fourcc() are +specified in this document. First of the characters defines the nature of +the pixel format, compression and colour space. The interpretation of the +other three characters depends on the first one. + +Existing 4CCs may not obey these guidelines. + +Raw bayer +--------- + +The following first characters are used by raw bayer formats: + +- B: raw bayer, uncompressed +- b: raw bayer, DPCM compressed +- a: A-law compressed +- u: u-law compressed + +2nd character: pixel order + +- B: BGGR +- G: GBRG +- g: GRBG +- R: RGGB + +3rd character: uncompressed bits-per-pixel 0--9, A-- + +4th character: compressed bits-per-pixel 0--9, A-- -- cgit v1.2.3