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authorMauro Carvalho Chehab <mchehab@s-opensource.com>2016-07-08 11:40:06 -0300
committerMauro Carvalho Chehab <mchehab@s-opensource.com>2016-07-08 11:59:40 -0300
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treeb3b03707c6438ea9b99cc57e847ebf517f968ab1 /Documentation/media/uapi/v4l/pixfmt-packed-yuv.rst
parenta97369b5e21ea9b8b5fef7c0f4f48bbe60c07ca3 (diff)
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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>
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+.. -*- coding: utf-8; mode: rst -*-
+
+.. _packed-yuv:
+
+******************
+Packed YUV formats
+******************
+
+*man Packed YUV formats(2)*
+
+Packed YUV formats
+
+
+Description
+===========
+
+Similar to the packed RGB formats these formats store the Y, Cb and Cr
+component of each pixel in one 16 or 32 bit word.
+
+
+
+.. flat-table:: Packed YUV Image Formats
+ :header-rows: 2
+ :stub-columns: 0
+
+
+ - .. row 1
+
+ - Identifier
+
+ - Code
+
+ -
+ - :cspan:`7` Byte 0 in memory
+
+ -
+ - :cspan:`7` Byte 1
+
+ -
+ - :cspan:`7` Byte 2
+
+ -
+ - :cspan:`7` Byte 3
+
+ - .. row 2
+
+ -
+ -
+ - Bit
+
+ - 7
+
+ - 6
+
+ - 5
+
+ - 4
+
+ - 3
+
+ - 2
+
+ - 1
+
+ - 0
+
+ -
+ - 7
+
+ - 6
+
+ - 5
+
+ - 4
+
+ - 3
+
+ - 2
+
+ - 1
+
+ - 0
+
+ -
+ - 7
+
+ - 6
+
+ - 5
+
+ - 4
+
+ - 3
+
+ - 2
+
+ - 1
+
+ - 0
+
+ -
+ - 7
+
+ - 6
+
+ - 5
+
+ - 4
+
+ - 3
+
+ - 2
+
+ - 1
+
+ - 0
+
+ - .. _V4L2-PIX-FMT-YUV444:
+
+ - ``V4L2_PIX_FMT_YUV444``
+
+ - 'Y444'
+
+ -
+ - Cb\ :sub:`3`
+
+ - Cb\ :sub:`2`
+
+ - Cb\ :sub:`1`
+
+ - Cb\ :sub:`0`
+
+ - Cr\ :sub:`3`
+
+ - Cr\ :sub:`2`
+
+ - Cr\ :sub:`1`
+
+ - Cr\ :sub:`0`
+
+ -
+ - a\ :sub:`3`
+
+ - a\ :sub:`2`
+
+ - a\ :sub:`1`
+
+ - a\ :sub:`0`
+
+ - Y'\ :sub:`3`
+
+ - Y'\ :sub:`2`
+
+ - Y'\ :sub:`1`
+
+ - Y'\ :sub:`0`
+
+ - .. _V4L2-PIX-FMT-YUV555:
+
+ - ``V4L2_PIX_FMT_YUV555``
+
+ - 'YUVO'
+
+ -
+ - Cb\ :sub:`2`
+
+ - Cb\ :sub:`1`
+
+ - Cb\ :sub:`0`
+
+ - Cr\ :sub:`4`
+
+ - Cr\ :sub:`3`
+
+ - Cr\ :sub:`2`
+
+ - Cr\ :sub:`1`
+
+ - Cr\ :sub:`0`
+
+ -
+ - a
+
+ - Y'\ :sub:`4`
+
+ - Y'\ :sub:`3`
+
+ - Y'\ :sub:`2`
+
+ - Y'\ :sub:`1`
+
+ - Y'\ :sub:`0`
+
+ - Cb\ :sub:`4`
+
+ - Cb\ :sub:`3`
+
+ - .. _V4L2-PIX-FMT-YUV565:
+
+ - ``V4L2_PIX_FMT_YUV565``
+
+ - 'YUVP'
+
+ -
+ - Cb\ :sub:`2`
+
+ - Cb\ :sub:`1`
+
+ - Cb\ :sub:`0`
+
+ - Cr\ :sub:`4`
+
+ - Cr\ :sub:`3`
+
+ - Cr\ :sub:`2`
+
+ - Cr\ :sub:`1`
+
+ - Cr\ :sub:`0`
+
+ -
+ - Y'\ :sub:`4`
+
+ - Y'\ :sub:`3`
+
+ - Y'\ :sub:`2`
+
+ - Y'\ :sub:`1`
+
+ - Y'\ :sub:`0`
+
+ - Cb\ :sub:`5`
+
+ - Cb\ :sub:`4`
+
+ - Cb\ :sub:`3`
+
+ - .. _V4L2-PIX-FMT-YUV32:
+
+ - ``V4L2_PIX_FMT_YUV32``
+
+ - 'YUV4'
+
+ -
+ - a\ :sub:`7`
+
+ - a\ :sub:`6`
+
+ - a\ :sub:`5`
+
+ - a\ :sub:`4`
+
+ - a\ :sub:`3`
+
+ - a\ :sub:`2`
+
+ - a\ :sub:`1`
+
+ - a\ :sub:`0`
+
+ -
+ - Y'\ :sub:`7`
+
+ - Y'\ :sub:`6`
+
+ - Y'\ :sub:`5`
+
+ - Y'\ :sub:`4`
+
+ - Y'\ :sub:`3`
+
+ - Y'\ :sub:`2`
+
+ - Y'\ :sub:`1`
+
+ - Y'\ :sub:`0`
+
+ -
+ - Cb\ :sub:`7`
+
+ - Cb\ :sub:`6`
+
+ - Cb\ :sub:`5`
+
+ - Cb\ :sub:`4`
+
+ - Cb\ :sub:`3`
+
+ - Cb\ :sub:`2`
+
+ - Cb\ :sub:`1`
+
+ - Cb\ :sub:`0`
+
+ -
+ - Cr\ :sub:`7`
+
+ - Cr\ :sub:`6`
+
+ - Cr\ :sub:`5`
+
+ - Cr\ :sub:`4`
+
+ - Cr\ :sub:`3`
+
+ - Cr\ :sub:`2`
+
+ - Cr\ :sub:`1`
+
+ - Cr\ :sub:`0`
+
+
+Bit 7 is the most significant bit. The value of a = alpha bits is
+undefined when reading from the driver, ignored when writing to the
+driver, except when alpha blending has been negotiated for a
+:ref:`Video Overlay <overlay>` or :ref:`Video Output Overlay <osd>`.