Commit 0376a51f authored by Mirela Rabulea's avatar Mirela Rabulea Committed by Mauro Carvalho Chehab
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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.

This format is used by the i.MX 8QuadMax and i.MX 8DualXPlus/8QuadXPlus
JPEG encoder/decoder.

Signed-off-by: default avatarMirela Rabulea <mirela.rabulea@nxp.com>
Reviewed-by: default avatarPaul Kocialkowski <paul.kocialkowski@bootlin.com>
Signed-off-by: default avatarHans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab+huawei@kernel.org>
parent 7432376a

Documentation/userspace-api/media/v4l/pixfmt-packed-yuv.rst

+10 −0
Original line number Diff line number Diff line
@@ -220,6 +220,16 @@ the second byte and Y'\ :sub:`7-0` in the third byte. 
      - Y'\ :sub:`7-0`

      - X\ :sub:`7-0`



    * .. _V4L2-PIX-FMT-YUV24:



      - ``V4L2_PIX_FMT_YUV24``

      - 'YUV3'



      - Y'\ :sub:`7-0`

      - Cb\ :sub:`7-0`

      - Cr\ :sub:`7-0`

      - -\



.. note::



    - The alpha component is expected to contain a meaningful value that can be

drivers/media/v4l2-core/v4l2-ioctl.c

+1 −0
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@@ -1304,6 +1304,7 @@ 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;

include/uapi/linux/videodev2.h

+1 −0
Original line number Diff line number Diff line
@@ -586,6 +586,7 @@ 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  */