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.. -*- coding: utf-8; mode: rst -*-
.. _V4L2-PIX-FMT-YUV444M:
.. _v4l2-pix-fmt-yvu444m:
************************************************************
V4L2_PIX_FMT_YUV444M ('YM24'), V4L2_PIX_FMT_YVU444M ('YM42')
************************************************************
*man V4L2_PIX_FMT_YUV444M(2)*
V4L2_PIX_FMT_YVU444M
Planar formats with full horizontal resolution, also known as YUV and
YVU 4:4:4
Description
===========
This is a multi-planar format, as opposed to a packed format. The three
components are separated into three sub-images or planes.
The Y plane is first. The Y plane has one byte per pixel. For
``V4L2_PIX_FMT_YUV444M`` the Cb data constitutes the second plane which
is the same width and height as the Y plane (and as the image). The Cr
data, just like the Cb plane, is in the third plane.
``V4L2_PIX_FMT_YVU444M`` is the same except the Cr data is stored in the
second plane and the Cb data in the third plane.
If the Y plane has pad bytes after each row, then the Cb and Cr planes
have the same number of pad bytes after their rows.
``V4L2_PIX_FMT_YUV444M`` and ``V4L2_PIX_FMT_YUV444M`` are intended to be
used only in drivers and applications that support the multi-planar API,
described in :ref:`planar-apis`.
**Byte Order.**
Each cell is one byte.
.. flat-table::
:header-rows: 0
:stub-columns: 0
:widths: 2 1 1 1 1
- .. row 1
- start0 + 0:
- Y'\ :sub:`00`
- Y'\ :sub:`01`
- Y'\ :sub:`02`
- Y'\ :sub:`03`
- .. row 2
- start0 + 4:
- Y'\ :sub:`10`
- Y'\ :sub:`11`
- Y'\ :sub:`12`
- Y'\ :sub:`13`
- .. row 3
- start0 + 8:
- Y'\ :sub:`20`
- Y'\ :sub:`21`
- Y'\ :sub:`22`
- Y'\ :sub:`23`
- .. row 4
- start0 + 12:
- Y'\ :sub:`30`
- Y'\ :sub:`31`
- Y'\ :sub:`32`
- Y'\ :sub:`33`
- .. row 5
-
- .. row 6
- start1 + 0:
- Cb\ :sub:`00`
- Cb\ :sub:`01`
- Cb\ :sub:`02`
- Cb\ :sub:`03`
- .. row 7
- start1 + 4:
- Cb\ :sub:`10`
- Cb\ :sub:`11`
- Cb\ :sub:`12`
- Cb\ :sub:`13`
- .. row 8
- start1 + 8:
- Cb\ :sub:`20`
- Cb\ :sub:`21`
- Cb\ :sub:`22`
- Cb\ :sub:`23`
- .. row 9
- start1 + 12:
- Cb\ :sub:`20`
- Cb\ :sub:`21`
- Cb\ :sub:`32`
- Cb\ :sub:`33`
- .. row 10
-
- .. row 11
- start2 + 0:
- Cr\ :sub:`00`
- Cr\ :sub:`01`
- Cr\ :sub:`02`
- Cr\ :sub:`03`
- .. row 12
- start2 + 4:
- Cr\ :sub:`10`
- Cr\ :sub:`11`
- Cr\ :sub:`12`
- Cr\ :sub:`13`
- .. row 13
- start2 + 8:
- Cr\ :sub:`20`
- Cr\ :sub:`21`
- Cr\ :sub:`22`
- Cr\ :sub:`23`
- .. row 14
- start2 + 12:
- Cr\ :sub:`30`
- Cr\ :sub:`31`
- Cr\ :sub:`32`
- Cr\ :sub:`33`
**Color Sample Location..**
.. flat-table::
:header-rows: 0
:stub-columns: 0
- .. row 1
-
- 0
- 1
- 2
- 3
- .. row 2
- 0
- YC
- YC
- YC
- YC
- .. row 3
- 1
- YC
- YC
- YC
- YC
- .. row 4
- 2
- YC
- YC
- YC
- YC
- .. row 5
- 3
- YC
- YC
- YC
- YC
|
