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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
| commit | 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch) | |
| tree | a94efe259b9009378be6d90eb30d2b019d95c194 /Documentation/userspace-api/media/v4l/fourcc.rst | |
| parent | Initial commit. (diff) | |
| download | linux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.tar.xz linux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.zip | |
Adding upstream version 5.10.209.upstream/5.10.209
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'Documentation/userspace-api/media/v4l/fourcc.rst')
| -rw-r--r-- | Documentation/userspace-api/media/v4l/fourcc.rst | 32 |
1 files changed, 32 insertions, 0 deletions
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-- |