Commit 5374d8fb authored by Benjamin Gaignard's avatar Benjamin Gaignard Committed by Mauro Carvalho Chehab
Browse files

media: Add P010 video format 



P010 is a YUV format with 10-bits per component with interleaved UV.

Signed-off-by: default avatarBenjamin Gaignard <benjamin.gaignard@collabora.com>
Acked-by: default avatarNicolas Dufresne <nicolas.dufresne@collabora.com>
Signed-off-by: default avatarHans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@kernel.org>
parent a23196c7

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

+54 −0
Original line number Diff line number Diff line
@@ -109,6 +109,13 @@ All components are stored with the same number of bits per component. 
      - Cb, Cr

      - No

      - 16x16 tiles

    * - V4L2_PIX_FMT_P010

      - 'P010'

      - 10

      - 4:2:0

      - Cb, Cr

      - Yes

      - Linear

    * - V4L2_PIX_FMT_NV16

      - 'NV16'

      - 8
@@ -171,6 +178,7 @@ horizontally. 
.. _V4L2-PIX-FMT-NV21:

.. _V4L2-PIX-FMT-NV12M:

.. _V4L2-PIX-FMT-NV21M:

.. _V4L2-PIX-FMT-P010:



NV12, NV21, NV12M and NV21M

---------------------------
@@ -519,6 +527,52 @@ number of lines as the luma plane. 
      - Cb\ :sub:`33`

      - Cr\ :sub:`33`



.. _V4L2_PIX_FMT_P010:



P010

----



Like NV12 with 10 bits per component, expanded to 16 bits.

Data in the 10 high bits, zeros in the 6 low bits, arranged in little endian order.



.. flat-table:: Sample 4x4 P010 Image

    :header-rows:  0

    :stub-columns: 0



    * - start + 0:

      - Y'\ :sub:`00`

      - Y'\ :sub:`01`

      - Y'\ :sub:`02`

      - Y'\ :sub:`03`

    * - start + 8:

      - Y'\ :sub:`10`

      - Y'\ :sub:`11`

      - Y'\ :sub:`12`

      - Y'\ :sub:`13`

    * - start + 16:

      - Y'\ :sub:`20`

      - Y'\ :sub:`21`

      - Y'\ :sub:`22`

      - Y'\ :sub:`23`

    * - start + 24:

      - Y'\ :sub:`30`

      - Y'\ :sub:`31`

      - Y'\ :sub:`32`

      - Y'\ :sub:`33`

    * - start + 32:

      - Cb\ :sub:`00`

      - Cr\ :sub:`00`

      - Cb\ :sub:`01`

      - Cr\ :sub:`01`

    * - start + 40:

      - Cb\ :sub:`10`

      - Cr\ :sub:`10`

      - Cb\ :sub:`11`

      - Cr\ :sub:`11`



.. raw:: latex



    \endgroup



Fully Planar YUV Formats

========================

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

+1 −0
Original line number Diff line number Diff line
@@ -266,6 +266,7 @@ const struct v4l2_format_info *v4l2_format_info(u32 format) 
		{ .format = V4L2_PIX_FMT_NV61,    .pixel_enc = V4L2_PIXEL_ENC_YUV, .mem_planes = 1, .comp_planes = 2, .bpp = { 1, 2, 0, 0 }, .hdiv = 2, .vdiv = 1 },

		{ .format = V4L2_PIX_FMT_NV24,    .pixel_enc = V4L2_PIXEL_ENC_YUV, .mem_planes = 1, .comp_planes = 2, .bpp = { 1, 2, 0, 0 }, .hdiv = 1, .vdiv = 1 },

		{ .format = V4L2_PIX_FMT_NV42,    .pixel_enc = V4L2_PIXEL_ENC_YUV, .mem_planes = 1, .comp_planes = 2, .bpp = { 1, 2, 0, 0 }, .hdiv = 1, .vdiv = 1 },

		{ .format = V4L2_PIX_FMT_P010,    .pixel_enc = V4L2_PIXEL_ENC_YUV, .mem_planes = 1, .comp_planes = 2, .bpp = { 2, 2, 0, 0 }, .hdiv = 2, .vdiv = 1 },



		{ .format = V4L2_PIX_FMT_YUV410,  .pixel_enc = V4L2_PIXEL_ENC_YUV, .mem_planes = 1, .comp_planes = 3, .bpp = { 1, 1, 1, 0 }, .hdiv = 4, .vdiv = 4 },

		{ .format = V4L2_PIX_FMT_YVU410,  .pixel_enc = V4L2_PIXEL_ENC_YUV, .mem_planes = 1, .comp_planes = 3, .bpp = { 1, 1, 1, 0 }, .hdiv = 4, .vdiv = 4 },

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

+1 −0
Original line number Diff line number Diff line
@@ -1306,6 +1306,7 @@ static void v4l_fill_fmtdesc(struct v4l2_fmtdesc *fmt) 
	case V4L2_PIX_FMT_NV61:		descr = "Y/CrCb 4:2:2"; break;

	case V4L2_PIX_FMT_NV24:		descr = "Y/CbCr 4:4:4"; break;

	case V4L2_PIX_FMT_NV42:		descr = "Y/CrCb 4:4:4"; break;

	case V4L2_PIX_FMT_P010:		descr = "10-bit Y/CrCb 4:2:0"; break;

	case V4L2_PIX_FMT_NV12_4L4:	descr = "Y/CbCr 4:2:0 (4x4 Linear)"; break;

	case V4L2_PIX_FMT_NV12_16L16:	descr = "Y/CbCr 4:2:0 (16x16 Linear)"; break;

	case V4L2_PIX_FMT_NV12_32L32:   descr = "Y/CbCr 4:2:0 (32x32 Linear)"; break;

include/uapi/linux/videodev2.h

+1 −0
Original line number Diff line number Diff line
@@ -602,6 +602,7 @@ struct v4l2_pix_format { 
#define V4L2_PIX_FMT_NV61    v4l2_fourcc('N', 'V', '6', '1') /* 16  Y/CrCb 4:2:2  */

#define V4L2_PIX_FMT_NV24    v4l2_fourcc('N', 'V', '2', '4') /* 24  Y/CbCr 4:4:4  */

#define V4L2_PIX_FMT_NV42    v4l2_fourcc('N', 'V', '4', '2') /* 24  Y/CrCb 4:4:4  */

#define V4L2_PIX_FMT_P010    v4l2_fourcc('P', '0', '1', '0') /* 24  Y/CbCr 4:2:0 10-bit per component */



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

#define V4L2_PIX_FMT_NV12M   v4l2_fourcc('N', 'M', '1', '2') /* 12  Y/CbCr 4:2:0  */