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MLK-21770: media: v4l: Add packed YUV444 24bpp pixel format 

The added format is V4L2_PIX_FMT_YUV24, this is a packed
YUV 4:4:4 format, with 8 bits for each component, 24 bits
per sample.

Signed-off-by: Mirela Rabulea <mirela.rabulea@nxp.com>
Reviewed-by: Laurentiu Palcu <laurentiu.palcu@nxp.com>
Acked-by: Leonard Crestez <leonard.crestez@nxp.com>
[ Aisheng : fix minor conflicts ]
Signed-off-by: Dong Aisheng <aisheng.dong@nxp.com>
5.4-rM2-2.2.x-imx-squashed
Mirela Rabulea 2019-05-17 18:27:34 +03:00 committed by Dong Aisheng
parent 50e5bcc9cf
commit dde81e854d
3 changed files with 36 additions and 2 deletions
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36
Documentation/media/uapi/v4l/pixfmt-packed-yuv.rst
View File

@ -17,7 +17,8 @@ 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.
component of each pixel next to each other in memory. They occupy 16, 24 or 32
bits per pixel.
.. raw:: latex
@ -154,9 +155,40 @@ component of each pixel in one 16 or 32 bit word.
- Cb\ :sub:`5`
- Cb\ :sub:`4`
- Cb\ :sub:`3`
- :cspan:`15`
-
* .. _V4L2-PIX-FMT-YUV24:
- ``V4L2_PIX_FMT_YUV24``
- 'YUV3'
- 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`
-
* .. _V4L2-PIX-FMT-YUV32:
- ``V4L2_PIX_FMT_YUV32``

1
drivers/media/v4l2-core/v4l2-ioctl.c
View File

@ -1252,6 +1252,7 @@ static void v4l_fill_fmtdesc(struct v4l2_fmtdesc *fmt)
case V4L2_PIX_FMT_YUV444: descr = "16-bit A/XYUV 4-4-4-4"; break;
case V4L2_PIX_FMT_YUV555: descr = "16-bit A/XYUV 1-5-5-5"; break;
case V4L2_PIX_FMT_YUV565: descr = "16-bit YUV 5-6-5"; break;
case V4L2_PIX_FMT_YUV24: descr = "24-bit YUV 4:4:4 8-8-8"; break;
case V4L2_PIX_FMT_YUV32: descr = "32-bit A/XYUV 8-8-8-8"; break;
case V4L2_PIX_FMT_AYUV32: descr = "32-bit AYUV 8-8-8-8"; break;
case V4L2_PIX_FMT_XYUV32: descr = "32-bit XYUV 8-8-8-8"; break;

1
include/uapi/linux/videodev2.h
View File

@ -585,6 +585,7 @@ struct v4l2_pix_format {
#define V4L2_PIX_FMT_YUV444 v4l2_fourcc('Y', '4', '4', '4') /* 16 xxxxyyyy uuuuvvvv */
#define V4L2_PIX_FMT_YUV555 v4l2_fourcc('Y', 'U', 'V', 'O') /* 16 YUV-5-5-5 */
#define V4L2_PIX_FMT_YUV565 v4l2_fourcc('Y', 'U', 'V', 'P') /* 16 YUV-5-6-5 */
#define V4L2_PIX_FMT_YUV24 v4l2_fourcc('Y', 'U', 'V', '3') /* 24 YUV-8-8-8 */
#define V4L2_PIX_FMT_YUV32 v4l2_fourcc('Y', 'U', 'V', '4') /* 32 YUV-8-8-8-8 */
#define V4L2_PIX_FMT_AYUV32 v4l2_fourcc('A', 'Y', 'U', 'V') /* 32 AYUV-8-8-8-8 */
#define V4L2_PIX_FMT_XYUV32 v4l2_fourcc('X', 'Y', 'U', 'V') /* 32 XYUV-8-8-8-8 */