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| author |   Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com> | 2016-08-18 11:33:28 -0300 |
|---|---|---|
| committer |   Mauro Carvalho Chehab <mchehab@s-opensource.com> | 2016-10-21 15:46:17 -0200 |
| commit | 9bef7546b09fdefe56918f1d1aba55e08870cdad (patch) | |
| tree | 334d4d147fa70f140f097354aed8286e1d62781c /Documentation/media/uapi/v4l/pixfmt-packed-hsv.rst | |
| parent | [media] videodev2.h Add HSV formats (diff) | |
| download | linux-dev-9bef7546b09fdefe56918f1d1aba55e08870cdad.tar.xz linux-dev-9bef7546b09fdefe56918f1d1aba55e08870cdad.zip | |
[media] Documentation: Add HSV format
Describe the HSV formats
Signed-off-by: Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Diffstat (limited to 'Documentation/media/uapi/v4l/pixfmt-packed-hsv.rst')
| -rw-r--r-- | Documentation/media/uapi/v4l/pixfmt-packed-hsv.rst | 156 |
1 files changed, 156 insertions, 0 deletions
diff --git a/Documentation/media/uapi/v4l/pixfmt-packed-hsv.rst b/Documentation/media/uapi/v4l/pixfmt-packed-hsv.rst new file mode 100644 index 000000000000..4a579727f61c --- /dev/null +++ b/Documentation/media/uapi/v4l/pixfmt-packed-hsv.rst @@ -0,0 +1,156 @@ +.. -*- coding: utf-8; mode: rst -*- + +.. _packed-hsv: + +****************** +Packed HSV formats +****************** + +Description +=========== + +The *hue* (h) is measured in degrees, one LSB represents two degrees. +The *saturation* (s) and the *value* (v) are measured in percentage of the +cylinder: 0 being the smallest value and 255 the maximum. + + +The values are packed in 24 or 32 bit formats. + +.. raw:: latex + + \newline\begin{adjustbox}{width=\columnwidth} + +.. tabularcolumns:: |p{4.2cm}|p{1.0cm}|p{0.7cm}|p{0.4cm}|p{0.4cm}|p{0.4cm}|p{0.4cm}|p{0.4cm}|p{0.4cm}|p{0.4cm}|p{0.4cm}|p{0.2cm}|p{0.4cm}|p{0.4cm}|p{0.4cm}|p{0.4cm}|p{0.4cm}|p{0.4cm}|p{0.4cm}|p{0.4cm}|p{0.2cm}|p{0.4cm}|p{0.4cm}|p{0.4cm}|p{0.4cm}|p{0.4cm}|p{0.4cm}|p{0.4cm}|p{0.4cm}|p{0.2cm}|p{0.4cm}|p{0.4cm}|p{0.4cm}|p{0.4cm}|p{0.4cm}|p{0.4cm}|p{0.4cm}|p{1.7cm}| + +.. _packed-hsv-formats: + +.. flat-table:: Packed HSV Image Formats + :header-rows: 2 + :stub-columns: 0 + + * - Identifier + - Code + - + - :cspan:`7` Byte 0 in memory + - + - :cspan:`7` Byte 1 + - + - :cspan:`7` Byte 2 + - + - :cspan:`7` Byte 3 + * - + - + - 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-HSV32: + + - ``V4L2_PIX_FMT_HSV32`` + - 'HSV4' + - + - + - + - + - + - + - + - + - + - + - h\ :sub:`7` + - h\ :sub:`6` + - h\ :sub:`5` + - h\ :sub:`4` + - h\ :sub:`3` + - h\ :sub:`2` + - h\ :sub:`1` + - h\ :sub:`0` + - + - s\ :sub:`7` + - s\ :sub:`6` + - s\ :sub:`5` + - s\ :sub:`4` + - s\ :sub:`3` + - s\ :sub:`2` + - s\ :sub:`1` + - s\ :sub:`0` + - + - v\ :sub:`7` + - v\ :sub:`6` + - v\ :sub:`5` + - v\ :sub:`4` + - v\ :sub:`3` + - v\ :sub:`2` + - v\ :sub:`1` + - v\ :sub:`0` + * .. _V4L2-PIX-FMT-HSV24: + + - ``V4L2_PIX_FMT_HSV24`` + - 'HSV3' + - + - h\ :sub:`7` + - h\ :sub:`6` + - h\ :sub:`5` + - h\ :sub:`4` + - h\ :sub:`3` + - h\ :sub:`2` + - h\ :sub:`1` + - h\ :sub:`0` + - + - s\ :sub:`7` + - s\ :sub:`6` + - s\ :sub:`5` + - s\ :sub:`4` + - s\ :sub:`3` + - s\ :sub:`2` + - s\ :sub:`1` + - s\ :sub:`0` + - + - v\ :sub:`7` + - v\ :sub:`6` + - v\ :sub:`5` + - v\ :sub:`4` + - v\ :sub:`3` + - v\ :sub:`2` + - v\ :sub:`1` + - v\ :sub:`0` + - + - +.. raw:: latex + + \end{adjustbox}\newline\newline + +Bit 7 is the most significant bit. |