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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-10-20 00:10:27 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-10-20 00:10:27 -0300
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tree7fee4ab0509879c373c4f2cbd5b8a5be5b4041ee /Documentation/media/uapi/v4l/pixfmt-y41p.rst
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+.. -*- coding: utf-8; mode: rst -*-
+
+.. _V4L2-PIX-FMT-Y41P:
+
+**************************
+V4L2_PIX_FMT_Y41P ('Y41P')
+**************************
+
+*man V4L2_PIX_FMT_Y41P(2)*
+
+Format with ¼ horizontal chroma resolution, also known as YUV 4:1:1
+
+
+Description
+===========
+
+In this format each 12 bytes is eight pixels. In the twelve bytes are
+two CbCr pairs and eight Y's. The first CbCr pair goes with the first
+four Y's, and the second CbCr pair goes with the other four Y's. The Cb
+and Cr components have one fourth the horizontal resolution of the Y
+component.
+
+Do not confuse this format with
+:ref:`V4L2_PIX_FMT_YUV411P <V4L2-PIX-FMT-YUV411P>`. Y41P is derived
+from "YUV 4:1:1 *packed*", while YUV411P stands for "YUV 4:1:1
+*planar*".
+
+**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 1 1 1 1
+
+
+ - .. row 1
+
+ - start + 0:
+
+ - Cb\ :sub:`00`
+
+ - Y'\ :sub:`00`
+
+ - Cr\ :sub:`00`
+
+ - Y'\ :sub:`01`
+
+ - Cb\ :sub:`01`
+
+ - Y'\ :sub:`02`
+
+ - Cr\ :sub:`01`
+
+ - Y'\ :sub:`03`
+
+ - Y'\ :sub:`04`
+
+ - Y'\ :sub:`05`
+
+ - Y'\ :sub:`06`
+
+ - Y'\ :sub:`07`
+
+ - .. row 2
+
+ - start + 12:
+
+ - Cb\ :sub:`10`
+
+ - Y'\ :sub:`10`
+
+ - Cr\ :sub:`10`
+
+ - Y'\ :sub:`11`
+
+ - Cb\ :sub:`11`
+
+ - Y'\ :sub:`12`
+
+ - Cr\ :sub:`11`
+
+ - Y'\ :sub:`13`
+
+ - Y'\ :sub:`14`
+
+ - Y'\ :sub:`15`
+
+ - Y'\ :sub:`16`
+
+ - Y'\ :sub:`17`
+
+ - .. row 3
+
+ - start + 24:
+
+ - Cb\ :sub:`20`
+
+ - Y'\ :sub:`20`
+
+ - Cr\ :sub:`20`
+
+ - Y'\ :sub:`21`
+
+ - Cb\ :sub:`21`
+
+ - Y'\ :sub:`22`
+
+ - Cr\ :sub:`21`
+
+ - Y'\ :sub:`23`
+
+ - Y'\ :sub:`24`
+
+ - Y'\ :sub:`25`
+
+ - Y'\ :sub:`26`
+
+ - Y'\ :sub:`27`
+
+ - .. row 4
+
+ - start + 36:
+
+ - Cb\ :sub:`30`
+
+ - Y'\ :sub:`30`
+
+ - Cr\ :sub:`30`
+
+ - Y'\ :sub:`31`
+
+ - Cb\ :sub:`31`
+
+ - Y'\ :sub:`32`
+
+ - Cr\ :sub:`31`
+
+ - Y'\ :sub:`33`
+
+ - Y'\ :sub:`34`
+
+ - Y'\ :sub:`35`
+
+ - Y'\ :sub:`36`
+
+ - Y'\ :sub:`37`
+
+
+**Color Sample Location..**
+
+.. flat-table::
+ :header-rows: 0
+ :stub-columns: 0
+
+
+ - .. row 1
+
+ -
+ - 0
+
+ - 1
+
+ -
+ - 2
+
+ - 3
+
+ - 4
+
+ - 5
+
+ -
+ - 6
+
+ - 7
+
+ - .. row 2
+
+ - 0
+
+ - Y
+
+ - Y
+
+ - C
+
+ - Y
+
+ - Y
+
+ - Y
+
+ - Y
+
+ - C
+
+ - Y
+
+ - Y
+
+ - .. row 3
+
+ - 1
+
+ - Y
+
+ - Y
+
+ - C
+
+ - Y
+
+ - Y
+
+ - Y
+
+ - Y
+
+ - C
+
+ - Y
+
+ - Y
+
+ - .. row 4
+
+ - 2
+
+ - Y
+
+ - Y
+
+ - C
+
+ - Y
+
+ - Y
+
+ - Y
+
+ - Y
+
+ - C
+
+ - Y
+
+ - Y
+
+ - .. row 5
+
+ - 3
+
+ - Y
+
+ - Y
+
+ - C
+
+ - Y
+
+ - Y
+
+ - Y
+
+ - Y
+
+ - C
+
+ - Y
+
+ - Y