Commit 00f6842e authored by Laurent Pinchart's avatar Laurent Pinchart Committed by Mauro Carvalho Chehab
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media: v4l: Add packed YUV 4:4:4 YUVA and YUVX pixel formats 



The new YUVA and YUVX are permutations of the existing AYUV and XYUV
formats. They are use by the NXP i.MX8 ISI hardware.

Signed-off-by: default avatarLaurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: default avatarNicolas Dufresne <nicolas.dufresne@collabora.com>
Reviewed-by: default avatarJacopo Mondi <jacopo@jmondi.org>
Reviewed-by: default avatarHans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@kernel.org>
parent a6221d42

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

+20 −0
Original line number Diff line number Diff line
@@ -220,6 +220,26 @@ the second byte and Y'\ :sub:`7-0` in the third byte. 
      - Y'\ :sub:`7-0`

      - X\ :sub:`7-0`



    * .. _V4L2-PIX-FMT-YUVA32:



      - ``V4L2_PIX_FMT_YUVA32``

      - 'YUVA'



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

      - Cb\ :sub:`7-0`

      - Cr\ :sub:`7-0`

      - A\ :sub:`7-0`



    * .. _V4L2-PIX-FMT-YUVX32:



      - ``V4L2_PIX_FMT_YUVX32``

      - 'YUVX'



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

      - Cb\ :sub:`7-0`

      - Cr\ :sub:`7-0`

      - X\ :sub:`7-0`



    * .. _V4L2-PIX-FMT-YUV24:



      - ``V4L2_PIX_FMT_YUV24``

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

+2 −0
Original line number Diff line number Diff line
@@ -1296,6 +1296,8 @@ static void v4l_fill_fmtdesc(struct v4l2_fmtdesc *fmt) 
	case V4L2_PIX_FMT_XYUV32:	descr = "32-bit XYUV 8-8-8-8"; break;

	case V4L2_PIX_FMT_VUYA32:	descr = "32-bit VUYA 8-8-8-8"; break;

	case V4L2_PIX_FMT_VUYX32:	descr = "32-bit VUYX 8-8-8-8"; break;

	case V4L2_PIX_FMT_YUVA32:	descr = "32-bit YUVA 8-8-8-8"; break;

	case V4L2_PIX_FMT_YUVX32:	descr = "32-bit YUVX 8-8-8-8"; break;

	case V4L2_PIX_FMT_YUV410:	descr = "Planar YUV 4:1:0"; break;

	case V4L2_PIX_FMT_YUV420:	descr = "Planar YUV 4:2:0"; break;

	case V4L2_PIX_FMT_HI240:	descr = "8-bit Dithered RGB (BTTV)"; break;

include/uapi/linux/videodev2.h

+2 −0
Original line number Diff line number Diff line
@@ -593,6 +593,8 @@ struct v4l2_pix_format { 
#define V4L2_PIX_FMT_XYUV32  v4l2_fourcc('X', 'Y', 'U', 'V') /* 32  XYUV-8-8-8-8  */

#define V4L2_PIX_FMT_VUYA32  v4l2_fourcc('V', 'U', 'Y', 'A') /* 32  VUYA-8-8-8-8  */

#define V4L2_PIX_FMT_VUYX32  v4l2_fourcc('V', 'U', 'Y', 'X') /* 32  VUYX-8-8-8-8  */

#define V4L2_PIX_FMT_YUVA32  v4l2_fourcc('Y', 'U', 'V', 'A') /* 32  YUVA-8-8-8-8  */

#define V4L2_PIX_FMT_YUVX32  v4l2_fourcc('Y', 'U', 'V', 'X') /* 32  YUVX-8-8-8-8  */

#define V4L2_PIX_FMT_M420    v4l2_fourcc('M', '4', '2', '0') /* 12  YUV 4:2:0 2 lines y, 1 line uv interleaved */



/* two planes -- one Y, one Cr + Cb interleaved  */