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author | Mauro Carvalho Chehab <mchehab@s-opensource.com> | 2016-07-08 17:40:06 +0300 |
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committer | Mauro Carvalho Chehab <mchehab@s-opensource.com> | 2016-07-08 17:59:40 +0300 |
commit | 60c2820d0f6d3497975b6488e2599f8f611d8b95 (patch) | |
tree | b3b03707c6438ea9b99cc57e847ebf517f968ab1 /Documentation/media/uapi/v4l/pixfmt-yuyv.rst | |
parent | a97369b5e21ea9b8b5fef7c0f4f48bbe60c07ca3 (diff) | |
download | linux-60c2820d0f6d3497975b6488e2599f8f611d8b95.tar.xz |
doc_rst: rename the media Sphinx suff to Documentation/media
The name of the subsystem is "media", and not "linux_tv". Also,
as we plan to add other stuff there in the future, let's
rename also the media uAPI book to media_uapi, to make it
clearer.
No functional changes.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Diffstat (limited to 'Documentation/media/uapi/v4l/pixfmt-yuyv.rst')
-rw-r--r-- | Documentation/media/uapi/v4l/pixfmt-yuyv.rst | 205 |
1 files changed, 205 insertions, 0 deletions
diff --git a/Documentation/media/uapi/v4l/pixfmt-yuyv.rst b/Documentation/media/uapi/v4l/pixfmt-yuyv.rst new file mode 100644 index 000000000000..52917dfa9261 --- /dev/null +++ b/Documentation/media/uapi/v4l/pixfmt-yuyv.rst @@ -0,0 +1,205 @@ +.. -*- coding: utf-8; mode: rst -*- + +.. _V4L2-PIX-FMT-YUYV: + +************************** +V4L2_PIX_FMT_YUYV ('YUYV') +************************** + +*man V4L2_PIX_FMT_YUYV(2)* + +Packed format with ½ horizontal chroma resolution, also known as YUV +4:2:2 + + +Description +=========== + +In this format each four bytes is two pixels. Each four bytes is two +Y's, a Cb and a Cr. Each Y goes to one of the pixels, and the Cb and Cr +belong to both pixels. As you can see, the Cr and Cb components have +half the horizontal resolution of the Y component. ``V4L2_PIX_FMT_YUYV`` +is known in the Windows environment as YUY2. + +**Byte Order.** +Each cell is one byte. + + + +.. flat-table:: + :header-rows: 0 + :stub-columns: 0 + :widths: 2 1 1 1 1 1 1 1 1 + + + - .. row 1 + + - start + 0: + + - Y'\ :sub:`00` + + - Cb\ :sub:`00` + + - Y'\ :sub:`01` + + - Cr\ :sub:`00` + + - Y'\ :sub:`02` + + - Cb\ :sub:`01` + + - Y'\ :sub:`03` + + - Cr\ :sub:`01` + + - .. row 2 + + - start + 8: + + - Y'\ :sub:`10` + + - Cb\ :sub:`10` + + - Y'\ :sub:`11` + + - Cr\ :sub:`10` + + - Y'\ :sub:`12` + + - Cb\ :sub:`11` + + - Y'\ :sub:`13` + + - Cr\ :sub:`11` + + - .. row 3 + + - start + 16: + + - Y'\ :sub:`20` + + - Cb\ :sub:`20` + + - Y'\ :sub:`21` + + - Cr\ :sub:`20` + + - Y'\ :sub:`22` + + - Cb\ :sub:`21` + + - Y'\ :sub:`23` + + - Cr\ :sub:`21` + + - .. row 4 + + - start + 24: + + - Y'\ :sub:`30` + + - Cb\ :sub:`30` + + - Y'\ :sub:`31` + + - Cr\ :sub:`30` + + - Y'\ :sub:`32` + + - Cb\ :sub:`31` + + - Y'\ :sub:`33` + + - Cr\ :sub:`31` + + +**Color Sample Location..** + + + +.. flat-table:: + :header-rows: 0 + :stub-columns: 0 + + + - .. row 1 + + - + - 0 + + - + - 1 + + - + - 2 + + - + - 3 + + - .. row 2 + + - 0 + + - Y + + - C + + - Y + + - + - Y + + - C + + - Y + + - .. row 3 + + - 1 + + - Y + + - C + + - Y + + - + - Y + + - C + + - Y + + - .. row 4 + + - 2 + + - Y + + - C + + - Y + + - + - Y + + - C + + - Y + + - .. row 5 + + - 3 + + - Y + + - C + + - Y + + - + - Y + + - C + + - Y |