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authorMing Qian <ming.qian@nxp.com>2023-03-22 06:13:07 +0100
committerMauro Carvalho Chehab <mchehab@kernel.org>2023-04-15 10:10:27 +0200
commit99c954967762976b15265ea383354095e1ed1efa (patch)
treeadf1d3123aee9192e9f761176d44c45998581560 /Documentation/userspace-api
parentmedia: Add Y212 v4l2 format info (diff)
downloadlinux-99c954967762976b15265ea383354095e1ed1efa.tar.xz
linux-99c954967762976b15265ea383354095e1ed1efa.zip
media: Add YUV48_12 video format
YUV48_12 is a YUV format with 12-bits per component like YUV24, expanded to 16bits. Data in the 12 high bits, zeros in the 4 low bits, arranged in little endian order. [hverkuil: replaced a . by ,] Signed-off-by: Ming Qian <ming.qian@nxp.com> Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Diffstat (limited to 'Documentation/userspace-api')
-rw-r--r--Documentation/userspace-api/media/v4l/pixfmt-packed-yuv.rst28
1 files changed, 28 insertions, 0 deletions
diff --git a/Documentation/userspace-api/media/v4l/pixfmt-packed-yuv.rst b/Documentation/userspace-api/media/v4l/pixfmt-packed-yuv.rst
index 24a771542059..9f111ed594d2 100644
--- a/Documentation/userspace-api/media/v4l/pixfmt-packed-yuv.rst
+++ b/Documentation/userspace-api/media/v4l/pixfmt-packed-yuv.rst
@@ -257,6 +257,34 @@ the second byte and Y'\ :sub:`7-0` in the third byte.
- The padding bits contain undefined values that must be ignored by all
applications and drivers.
+The next table lists the packed YUV 4:4:4 formats with 12 bits per component.
+Expand the bits per component to 16 bits, data in the high bits, zeros in the low bits,
+arranged in little endian order, storing 1 pixel in 6 bytes.
+
+.. flat-table:: Packed YUV 4:4:4 Image Formats (12bpc)
+ :header-rows: 1
+ :stub-columns: 0
+
+ * - Identifier
+ - Code
+ - Byte 1-0
+ - Byte 3-2
+ - Byte 5-4
+ - Byte 7-6
+ - Byte 9-8
+ - Byte 11-10
+
+ * .. _V4L2-PIX-FMT-YUV48-12:
+
+ - ``V4L2_PIX_FMT_YUV48_12``
+ - 'Y312'
+
+ - Y'\ :sub:`0`
+ - Cb\ :sub:`0`
+ - Cr\ :sub:`0`
+ - Y'\ :sub:`1`
+ - Cb\ :sub:`1`
+ - Cr\ :sub:`1`
4:2:2 Subsampling
=================