From: Hans Verkuil <hverkuil-cisco@xs4all.nl>
To: Laurent Pinchart <laurent.pinchart@ideasonboard.com>,
linux-media@vger.kernel.org
Cc: Sakari Ailus <sakari.ailus@linux.intel.com>,
Dylan Yip <dylany@xilinx.com>, Vishal Sagar <vsagar@xilinx.com>,
Nicolas Dufresne <nicolas@ndufresne.ca>
Subject: Re: [PATCH v2 19/19] media: v4l2: Add 10-, 12- and 16-bpc 4:2:0 and 4:2:2 semi-planar YUV formats
Date: Mon, 16 Nov 2020 13:10:23 +0100 [thread overview]
Message-ID: <1df9f1df-5352-9bf0-bef8-976c0300c497@xs4all.nl> (raw)
In-Reply-To: <20201102224102.30292-20-laurent.pinchart@ideasonboard.com>
On 02/11/2020 23:41, Laurent Pinchart wrote:
> Add semi-planar YUV formats with 10, 12 and 16 bits per components, in
> both 4:2:0 (NV12) and 4:2:2 (NV16) subsampling, and with both chroma
> orderings. They are used by the Xilinx Video Frame Buffer Read/Write IP
> cores.
>
> Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
> ---
> .../media/v4l/pixfmt-yuv-planar.rst | 564 +++++++++++++++++-
> include/uapi/linux/videodev2.h | 12 +
> 2 files changed, 575 insertions(+), 1 deletion(-)
>
> diff --git a/Documentation/userspace-api/media/v4l/pixfmt-yuv-planar.rst b/Documentation/userspace-api/media/v4l/pixfmt-yuv-planar.rst
> index 07081ab05419..7f0fe2e4b668 100644
> --- a/Documentation/userspace-api/media/v4l/pixfmt-yuv-planar.rst
> +++ b/Documentation/userspace-api/media/v4l/pixfmt-yuv-planar.rst
> @@ -48,6 +48,11 @@ relationship between the luma and chroma line padding and stride.
>
> All components are stored with the same number of bits per component.
>
> +Formats with more than 8 bits per component pack, within each plane, multiple
> +samples in a word (padded as necessary to reach a multiple of 8 bits), which is
> +then stored in memory in little endian byte order. They are named with a suffix
> +indicating the number of bits per component and the number of samples per word.
> +
> .. flat-table:: Overview of Semi-Planar YUV Formats
> :header-rows: 1
> :stub-columns: 0
> @@ -145,6 +150,90 @@ All components are stored with the same number of bits per component.
> - Cr, Cr
> - Yes
> - Linear
> + * - V4L2_PIX_FMT_NV12_10_3
> + - 'N012'
> + - 10
> + - 4:2:0
> + - Cb, Cr
> + - Yes
> + - Linear
> + * - V4L2_PIX_FMT_NV21_10_3
> + - 'N061'
> + - 10
> + - 4:2:0
> + - Cr, Cr
Should be: Cr, Cb
This happens in several places, just do a search-and-replace.
Regards,
Hans
> + - Yes
> + - Linear
> + * - V4L2_PIX_FMT_NV16_10_3
> + - 'N016'
> + - 10
> + - 4:2:2
> + - Cb, Cr
> + - Yes
> + - Linear
> + * - V4L2_PIX_FMT_NV61_10_3
> + - 'N061'
> + - 10
> + - 4:2:2
> + - Cr, Cr
> + - Yes
> + - Linear
> + * - V4L2_PIX_FMT_NV12_12_2
> + - 'N212'
> + - 12
> + - 4:2:0
> + - Cb, Cr
> + - Yes
> + - Linear
> + * - V4L2_PIX_FMT_NV21_12_2
> + - 'N261'
> + - 12
> + - 4:2:0
> + - Cr, Cr
> + - Yes
> + - Linear
> + * - V4L2_PIX_FMT_NV16_12_2
> + - 'N216'
> + - 12
> + - 4:2:2
> + - Cb, Cr
> + - Yes
> + - Linear
> + * - V4L2_PIX_FMT_NV61_12_2
> + - 'N261'
> + - 12
> + - 4:2:2
> + - Cr, Cr
> + - Yes
> + - Linear
> + * - V4L2_PIX_FMT_NV12_16_1
> + - 'N612'
> + - 16
> + - 4:2:0
> + - Cb, Cr
> + - Yes
> + - Linear
> + * - V4L2_PIX_FMT_NV21_16_1
> + - 'N661'
> + - 16
> + - 4:2:0
> + - Cr, Cr
> + - Yes
> + - Linear
> + * - V4L2_PIX_FMT_NV16_16_1
> + - 'N616'
> + - 16
> + - 4:2:2
> + - Cb, Cr
> + - Yes
> + - Linear
> + * - V4L2_PIX_FMT_NV61_16_1
> + - 'N661'
> + - 16
> + - 4:2:2
> + - Cr, Cr
> + - Yes
> + - Linear
>
> .. note::
>
> @@ -153,7 +242,6 @@ All components are stored with the same number of bits per component.
> disjoint
> .. [3] Macroblock size in pixels
>
> -
> **Color Sample Location:**
> Chroma samples are :ref:`interstitially sited<yuv-chroma-centered>`
> horizontally.
> @@ -463,6 +551,480 @@ number of lines as the luma plane.
> - Cr\ :sub:`33`
>
>
> +.. _V4L2-PIX-FMT-NV12-10-3:
> +.. _V4L2-PIX-FMT-NV21-10-3:
> +.. _V4L2-PIX-FMT-NV16-10-3:
> +.. _V4L2-PIX-FMT-NV61-10-3:
> +
> +NV12_10_3, NV21_10_3, NV16_10_3 and NV61_10_3
> +---------------------------------------------
> +
> +Semi-planar YUV 4:2:0 and 4:2:2 formats with 10 bits per component, stored with
> +3 samples packed in 4 bytes.
> +
> +Within a plane, 3 samples are packed in a 32-bit word, with 2 padding bits.
> +The bits are organized as follows for the first three samples of a luma line
> +and a chroma line.
> +
> +.. flat-table::
> + :header-rows: 0
> + :stub-columns: 0
> +
> + * - 31:30
> + - 29:20
> + - 19:10
> + - 9:0
> + * - `-`\ [1:0]
> + - Y'\ :sub:`2`\ [9:0]
> + - Y'\ :sub:`1`\ [9:0]
> + - Y'\ :sub:`0`\ [9:0]
> +
> +.. flat-table::
> + :header-rows: 0
> + :stub-columns: 0
> +
> + * - 31:30
> + - 29:20
> + - 19:10
> + - 9:0
> + * - `-`\ [1:0]
> + - Cb\ :sub:`2`\ [9:0]
> + - Cr\ :sub:`0`\ [9:0]
> + - Cb\ :sub:`0`\ [9:0]
> +
> +Words are then stored in memory in little endian format. Due to a chroma word
> +storing an odd number of samples, the image width must be a multiple of 6
> +pixels.
> +
> +.. flat-table:: Sample 6x4 NV12_10_3 Image
> + :header-rows: 0
> + :stub-columns: 0
> +
> + * - start + 0:
> + - Y'\ :sub:`00`\ [7:0]
> + - Y'\ :sub:`01`\ [5:0] Y'\ :sub:`00`\ [9:8]
> + - Y'\ :sub:`02`\ [3:0] Y'\ :sub:`01`\ [9:6]
> + - `-`\ [1:0] Y'\ :sub:`02`\ [9:4]
> + - Y'\ :sub:`03`\ [7:0]
> + - Y'\ :sub:`04`\ [5:0] Y'\ :sub:`04`\ [9:8]
> + - Y'\ :sub:`05`\ [3:0] Y'\ :sub:`05`\ [9:6]
> + - `-`\ [1:0] Y'\ :sub:`05`\ [9:4]
> + * - start + 8:
> + - Y'\ :sub:`10`\ [7:0]
> + - Y'\ :sub:`11`\ [5:0] Y'\ :sub:`10`\ [9:8]
> + - Y'\ :sub:`12`\ [3:0] Y'\ :sub:`11`\ [9:6]
> + - `-`\ [1:0] Y'\ :sub:`12`\ [9:4]
> + - Y'\ :sub:`13`\ [7:0]
> + - Y'\ :sub:`14`\ [5:0] Y'\ :sub:`14`\ [9:8]
> + - Y'\ :sub:`15`\ [3:0] Y'\ :sub:`15`\ [9:6]
> + - `-`\ [1:0] Y'\ :sub:`15`\ [9:4]
> + * - start + 16:
> + - Y'\ :sub:`20`\ [7:0]
> + - Y'\ :sub:`21`\ [5:0] Y'\ :sub:`20`\ [9:8]
> + - Y'\ :sub:`22`\ [3:0] Y'\ :sub:`21`\ [9:6]
> + - `-`\ [1:0] Y'\ :sub:`22`\ [9:4]
> + - Y'\ :sub:`23`\ [7:0]
> + - Y'\ :sub:`24`\ [5:0] Y'\ :sub:`24`\ [9:8]
> + - Y'\ :sub:`25`\ [3:0] Y'\ :sub:`25`\ [9:6]
> + - `-`\ [1:0] Y'\ :sub:`25`\ [9:4]
> + * - start + 24:
> + - Y'\ :sub:`20`\ [7:0]
> + - Y'\ :sub:`21`\ [5:0] Y'\ :sub:`20`\ [9:8]
> + - Y'\ :sub:`22`\ [3:0] Y'\ :sub:`21`\ [9:6]
> + - `-`\ [1:0] Y'\ :sub:`22`\ [9:4]
> + - Y'\ :sub:`23`\ [7:0]
> + - Y'\ :sub:`24`\ [5:0] Y'\ :sub:`24`\ [9:8]
> + - Y'\ :sub:`25`\ [3:0] Y'\ :sub:`25`\ [9:6]
> + - `-`\ [1:0] Y'\ :sub:`25`\ [9:4]
> + * - start + 32:
> + - Cb\ :sub:`00`\ [7:0]
> + - Cr\ :sub:`00`\ [5:0] Cb\ :sub:`00`\ [9:8]
> + - Cb\ :sub:`02`\ [3:0] Cr\ :sub:`00`\ [9:6]
> + - `-`\ [1:0] Cb\ :sub:`02`\ [9:4]
> + - Cr\ :sub:`02`\ [7:0]
> + - Cb\ :sub:`04`\ [5:0] Cr\ :sub:`02`\ [9:8]
> + - Cr\ :sub:`04`\ [3:0] Cb\ :sub:`04`\ [9:6]
> + - `-`\ [1:0] Cr\ :sub:`04`\ [9:4]
> + * - start + 40:
> + - Cb\ :sub:`20`\ [7:0]
> + - Cr\ :sub:`20`\ [5:0] Cb\ :sub:`20`\ [9:8]
> + - Cb\ :sub:`22`\ [3:0] Cr\ :sub:`20`\ [9:6]
> + - `-`\ [1:0] Cb\ :sub:`22`\ [9:4]
> + - Cr\ :sub:`22`\ [7:0]
> + - Cb\ :sub:`24`\ [5:0] Cr\ :sub:`22`\ [9:8]
> + - Cr\ :sub:`24`\ [3:0] Cb\ :sub:`24`\ [9:6]
> + - `-`\ [1:0] Cr\ :sub:`24`\ [9:4]
> +
> +.. flat-table:: Sample 6x4 NV16_10_3 Image
> + :header-rows: 0
> + :stub-columns: 0
> +
> + * - start + 0:
> + - Y'\ :sub:`00`\ [7:0]
> + - Y'\ :sub:`01`\ [5:0] Y'\ :sub:`00`\ [9:8]
> + - Y'\ :sub:`02`\ [3:0] Y'\ :sub:`01`\ [9:6]
> + - `-`\ [1:0] Y'\ :sub:`02`\ [9:4]
> + - Y'\ :sub:`03`\ [7:0]
> + - Y'\ :sub:`04`\ [5:0] Y'\ :sub:`04`\ [9:8]
> + - Y'\ :sub:`05`\ [3:0] Y'\ :sub:`05`\ [9:6]
> + - `-`\ [1:0] Y'\ :sub:`05`\ [9:4]
> + * - start + 8:
> + - Y'\ :sub:`10`\ [7:0]
> + - Y'\ :sub:`11`\ [5:0] Y'\ :sub:`10`\ [9:8]
> + - Y'\ :sub:`12`\ [3:0] Y'\ :sub:`11`\ [9:6]
> + - `-`\ [1:0] Y'\ :sub:`12`\ [9:4]
> + - Y'\ :sub:`13`\ [7:0]
> + - Y'\ :sub:`14`\ [5:0] Y'\ :sub:`14`\ [9:8]
> + - Y'\ :sub:`15`\ [3:0] Y'\ :sub:`15`\ [9:6]
> + - `-`\ [1:0] Y'\ :sub:`15`\ [9:4]
> + * - start + 16:
> + - Y'\ :sub:`20`\ [7:0]
> + - Y'\ :sub:`21`\ [5:0] Y'\ :sub:`20`\ [9:8]
> + - Y'\ :sub:`22`\ [3:0] Y'\ :sub:`21`\ [9:6]
> + - `-`\ [1:0] Y'\ :sub:`22`\ [9:4]
> + - Y'\ :sub:`23`\ [7:0]
> + - Y'\ :sub:`24`\ [5:0] Y'\ :sub:`24`\ [9:8]
> + - Y'\ :sub:`25`\ [3:0] Y'\ :sub:`25`\ [9:6]
> + - `-`\ [1:0] Y'\ :sub:`25`\ [9:4]
> + * - start + 24:
> + - Y'\ :sub:`20`\ [7:0]
> + - Y'\ :sub:`21`\ [5:0] Y'\ :sub:`20`\ [9:8]
> + - Y'\ :sub:`22`\ [3:0] Y'\ :sub:`21`\ [9:6]
> + - `-`\ [1:0] Y'\ :sub:`22`\ [9:4]
> + - Y'\ :sub:`23`\ [7:0]
> + - Y'\ :sub:`24`\ [5:0] Y'\ :sub:`24`\ [9:8]
> + - Y'\ :sub:`25`\ [3:0] Y'\ :sub:`25`\ [9:6]
> + - `-`\ [1:0] Y'\ :sub:`25`\ [9:4]
> + * - start + 32:
> + - Cb\ :sub:`00`\ [7:0]
> + - Cr\ :sub:`00`\ [5:0] Cb\ :sub:`00`\ [9:8]
> + - Cb\ :sub:`02`\ [3:0] Cr\ :sub:`00`\ [9:6]
> + - `-`\ [1:0] Cb\ :sub:`02`\ [9:4]
> + - Cr\ :sub:`02`\ [7:0]
> + - Cb\ :sub:`04`\ [5:0] Cr\ :sub:`02`\ [9:8]
> + - Cr\ :sub:`04`\ [3:0] Cb\ :sub:`04`\ [9:6]
> + - `-`\ [1:0] Cr\ :sub:`04`\ [9:4]
> + * - start + 40:
> + - Cb\ :sub:`10`\ [7:0]
> + - Cr\ :sub:`10`\ [5:0] Cb\ :sub:`10`\ [9:8]
> + - Cb\ :sub:`12`\ [3:0] Cr\ :sub:`10`\ [9:6]
> + - `-`\ [1:0] Cb\ :sub:`12`\ [9:4]
> + - Cr\ :sub:`12`\ [7:0]
> + - Cb\ :sub:`14`\ [5:0] Cr\ :sub:`12`\ [9:8]
> + - Cr\ :sub:`14`\ [3:0] Cb\ :sub:`14`\ [9:6]
> + - `-`\ [1:0] Cr\ :sub:`14`\ [9:4]
> + * - start + 48:
> + - Cb\ :sub:`20`\ [7:0]
> + - Cr\ :sub:`20`\ [5:0] Cb\ :sub:`20`\ [9:8]
> + - Cb\ :sub:`22`\ [3:0] Cr\ :sub:`20`\ [9:6]
> + - `-`\ [1:0] Cb\ :sub:`22`\ [9:4]
> + - Cr\ :sub:`22`\ [7:0]
> + - Cb\ :sub:`24`\ [5:0] Cr\ :sub:`22`\ [9:8]
> + - Cr\ :sub:`24`\ [3:0] Cb\ :sub:`24`\ [9:6]
> + - `-`\ [1:0] Cr\ :sub:`24`\ [9:4]
> + * - start + 56:
> + - Cb\ :sub:`30`\ [7:0]
> + - Cr\ :sub:`30`\ [5:0] Cb\ :sub:`30`\ [9:8]
> + - Cb\ :sub:`32`\ [3:0] Cr\ :sub:`30`\ [9:6]
> + - `-`\ [1:0] Cb\ :sub:`32`\ [9:4]
> + - Cr\ :sub:`32`\ [7:0]
> + - Cb\ :sub:`34`\ [5:0] Cr\ :sub:`32`\ [9:8]
> + - Cr\ :sub:`34`\ [3:0] Cb\ :sub:`34`\ [9:6]
> + - `-`\ [1:0] Cr\ :sub:`34`\ [9:4]
> +
> +
> +.. _V4L2-PIX-FMT-NV12-12-2:
> +.. _V4L2-PIX-FMT-NV21-12-2:
> +.. _V4L2-PIX-FMT-NV16-12-2:
> +.. _V4L2-PIX-FMT-NV61-12-2:
> +
> +NV12_12_2, NV21_12_2, NV16_12_2 and NV61_12_2
> +---------------------------------------------
> +
> +Semi-planar YUV 4:2:0 and 4:2:2 formats with 12 bits per component, stored with
> +2 samples packed in 3 bytes.
> +
> +Within a plane, 2 samples are packed in a 24-bit word, with no padding bits.
> +The bits are organized as follows for the first two samples of a luma line
> +and a chroma line.
> +
> +.. flat-table::
> + :header-rows: 0
> + :stub-columns: 0
> +
> + * - 23:12
> + - 11:0
> + * - Y'\ :sub:`1`\ [11:0]
> + - Y'\ :sub:`0`\ [11:0]
> +
> +.. flat-table::
> + :header-rows: 0
> + :stub-columns: 0
> +
> + * - 23:12
> + - 11:0
> + * - Cr\ :sub:`0`\ [11:0]
> + - Cb\ :sub:`0`\ [11:0]
> +
> +Words are then stored in memory in little endian format.
> +
> +.. flat-table:: Sample 4x4 NV12_12_2 Image
> + :header-rows: 0
> + :stub-columns: 0
> +
> + * - start + 0:
> + - Y'\ :sub:`00`\ [7:0]
> + - Y'\ :sub:`01`\ [3:0] Y'\ :sub:`00`\ [11:8]
> + - Y'\ :sub:`01`\ [11:4]
> + - Y'\ :sub:`02`\ [7:0]
> + - Y'\ :sub:`03`\ [3:0] Y'\ :sub:`02`\ [11:8]
> + - Y'\ :sub:`03`\ [11:4]
> + * - start + 6:
> + - Y'\ :sub:`10`\ [7:0]
> + - Y'\ :sub:`11`\ [3:0] Y'\ :sub:`10`\ [11:8]
> + - Y'\ :sub:`11`\ [11:4]
> + - Y'\ :sub:`12`\ [7:0]
> + - Y'\ :sub:`13`\ [3:0] Y'\ :sub:`12`\ [11:8]
> + - Y'\ :sub:`13`\ [11:4]
> + * - start + 12:
> + - Y'\ :sub:`20`\ [7:0]
> + - Y'\ :sub:`21`\ [3:0] Y'\ :sub:`20`\ [11:8]
> + - Y'\ :sub:`21`\ [11:4]
> + - Y'\ :sub:`22`\ [7:0]
> + - Y'\ :sub:`23`\ [3:0] Y'\ :sub:`22`\ [11:8]
> + - Y'\ :sub:`23`\ [11:4]
> + * - start + 18:
> + - Y'\ :sub:`30`\ [7:0]
> + - Y'\ :sub:`31`\ [3:0] Y'\ :sub:`30`\ [11:8]
> + - Y'\ :sub:`31`\ [11:4]
> + - Y'\ :sub:`32`\ [7:0]
> + - Y'\ :sub:`33`\ [3:0] Y'\ :sub:`32`\ [11:8]
> + - Y'\ :sub:`33`\ [11:4]
> + * - start + 24:
> + - Cb\ :sub:`00`\ [7:0]
> + - Cr\ :sub:`00`\ [3:0] Cb\ :sub:`00`\ [11:8]
> + - Cr\ :sub:`00`\ [11:4]
> + - Cb\ :sub:`02`\ [7:0]
> + - Cr\ :sub:`02`\ [3:0] Cb\ :sub:`02`\ [11:8]
> + - Cr\ :sub:`02`\ [11:4]
> + * - start + 30:
> + - Cb\ :sub:`20`\ [7:0]
> + - Cr\ :sub:`20`\ [3:0] Cb\ :sub:`20`\ [11:8]
> + - Cr\ :sub:`20`\ [11:4]
> + - Cb\ :sub:`22`\ [7:0]
> + - Cr\ :sub:`22`\ [3:0] Cb\ :sub:`22`\ [11:8]
> + - Cr\ :sub:`22`\ [11:4]
> +
> +.. flat-table:: Sample 4x4 NV16_12_2 Image
> + :header-rows: 0
> + :stub-columns: 0
> +
> + * - start + 0:
> + - Y'\ :sub:`00`\ [7:0]
> + - Y'\ :sub:`01`\ [3:0] Y'\ :sub:`00`\ [11:8]
> + - Y'\ :sub:`01`\ [11:4]
> + - Y'\ :sub:`02`\ [7:0]
> + - Y'\ :sub:`03`\ [3:0] Y'\ :sub:`02`\ [11:8]
> + - Y'\ :sub:`03`\ [11:4]
> + * - start + 6:
> + - Y'\ :sub:`10`\ [7:0]
> + - Y'\ :sub:`11`\ [3:0] Y'\ :sub:`10`\ [11:8]
> + - Y'\ :sub:`11`\ [11:4]
> + - Y'\ :sub:`12`\ [7:0]
> + - Y'\ :sub:`13`\ [3:0] Y'\ :sub:`12`\ [11:8]
> + - Y'\ :sub:`13`\ [11:4]
> + * - start + 12:
> + - Y'\ :sub:`20`\ [7:0]
> + - Y'\ :sub:`21`\ [3:0] Y'\ :sub:`20`\ [11:8]
> + - Y'\ :sub:`21`\ [11:4]
> + - Y'\ :sub:`22`\ [7:0]
> + - Y'\ :sub:`23`\ [3:0] Y'\ :sub:`22`\ [11:8]
> + - Y'\ :sub:`23`\ [11:4]
> + * - start + 18:
> + - Y'\ :sub:`30`\ [7:0]
> + - Y'\ :sub:`31`\ [3:0] Y'\ :sub:`30`\ [11:8]
> + - Y'\ :sub:`31`\ [11:4]
> + - Y'\ :sub:`32`\ [7:0]
> + - Y'\ :sub:`33`\ [3:0] Y'\ :sub:`32`\ [11:8]
> + - Y'\ :sub:`33`\ [11:4]
> + * - start + 24:
> + - Cb\ :sub:`00`\ [7:0]
> + - Cr\ :sub:`00`\ [3:0] Cb\ :sub:`00`\ [11:8]
> + - Cr\ :sub:`00`\ [11:4]
> + - Cb\ :sub:`02`\ [7:0]
> + - Cr\ :sub:`02`\ [3:0] Cb\ :sub:`02`\ [11:8]
> + - Cr\ :sub:`02`\ [11:4]
> + * - start + 30:
> + - Cb\ :sub:`10`\ [7:0]
> + - Cr\ :sub:`10`\ [3:0] Cb\ :sub:`10`\ [11:8]
> + - Cr\ :sub:`10`\ [11:4]
> + - Cb\ :sub:`12`\ [7:0]
> + - Cr\ :sub:`12`\ [3:0] Cb\ :sub:`12`\ [11:8]
> + - Cr\ :sub:`12`\ [11:4]
> + * - start + 36:
> + - Cb\ :sub:`20`\ [7:0]
> + - Cr\ :sub:`20`\ [3:0] Cb\ :sub:`20`\ [11:8]
> + - Cr\ :sub:`20`\ [11:4]
> + - Cb\ :sub:`22`\ [7:0]
> + - Cr\ :sub:`22`\ [3:0] Cb\ :sub:`22`\ [11:8]
> + - Cr\ :sub:`22`\ [11:4]
> + * - start + 42:
> + - Cb\ :sub:`30`\ [7:0]
> + - Cr\ :sub:`30`\ [3:0] Cb\ :sub:`30`\ [11:8]
> + - Cr\ :sub:`30`\ [11:4]
> + - Cb\ :sub:`32`\ [7:0]
> + - Cr\ :sub:`32`\ [3:0] Cb\ :sub:`32`\ [11:8]
> + - Cr\ :sub:`32`\ [11:4]
> +
> +
> +.. _V4L2-PIX-FMT-NV12-16-1:
> +.. _V4L2-PIX-FMT-NV21-16-1:
> +.. _V4L2-PIX-FMT-NV16-16-1:
> +.. _V4L2-PIX-FMT-NV61-16-1:
> +
> +NV12_16_1, NV21_16_1, NV16_16_1 and NV61_16_1
> +---------------------------------------------
> +
> +Semi-planar YUV 4:2:0 and 4:2:2 formats with 16 bits per component. 16-bit
> +samples are stored in memory in little endian format.
> +
> +.. flat-table:: Sample 4x4 NV12_16_1 Image
> + :header-rows: 0
> + :stub-columns: 0
> +
> + * - start + 0:
> + - Y'\ :sub:`00`\ [7:0]
> + - Y'\ :sub:`00`\ [15:8]
> + - Y'\ :sub:`01`\ [7:0]
> + - Y'\ :sub:`01`\ [15:8]
> + - Y'\ :sub:`02`\ [7:0]
> + - Y'\ :sub:`02`\ [15:8]
> + - Y'\ :sub:`03`\ [7:0]
> + - Y'\ :sub:`03`\ [15:8]
> + * - start + 8:
> + - Y'\ :sub:`10`\ [7:0]
> + - Y'\ :sub:`10`\ [15:8]
> + - Y'\ :sub:`11`\ [7:0]
> + - Y'\ :sub:`11`\ [15:8]
> + - Y'\ :sub:`12`\ [7:0]
> + - Y'\ :sub:`12`\ [15:8]
> + - Y'\ :sub:`13`\ [7:0]
> + - Y'\ :sub:`13`\ [15:8]
> + * - start + 16:
> + - Y'\ :sub:`20`\ [7:0]
> + - Y'\ :sub:`20`\ [15:8]
> + - Y'\ :sub:`21`\ [7:0]
> + - Y'\ :sub:`21`\ [15:8]
> + - Y'\ :sub:`22`\ [7:0]
> + - Y'\ :sub:`22`\ [15:8]
> + - Y'\ :sub:`23`\ [7:0]
> + - Y'\ :sub:`23`\ [15:8]
> + * - start + 24:
> + - Y'\ :sub:`30`\ [7:0]
> + - Y'\ :sub:`30`\ [15:8]
> + - Y'\ :sub:`31`\ [7:0]
> + - Y'\ :sub:`31`\ [15:8]
> + - Y'\ :sub:`32`\ [7:0]
> + - Y'\ :sub:`32`\ [15:8]
> + - Y'\ :sub:`33`\ [7:0]
> + - Y'\ :sub:`33`\ [15:8]
> + * - start + 32:
> + - Cb\ :sub:`00`\ [7:0]
> + - Cb\ :sub:`00`\ [15:8]
> + - Cr\ :sub:`00`\ [7:0]
> + - Cr\ :sub:`00`\ [15:8]
> + - Cb\ :sub:`02`\ [7:0]
> + - Cb\ :sub:`02`\ [15:8]
> + - Cr\ :sub:`02`\ [7:0]
> + - Cr\ :sub:`02`\ [15:8]
> + * - start + 40:
> + - Cb\ :sub:`20`\ [7:0]
> + - Cb\ :sub:`20`\ [15:8]
> + - Cr\ :sub:`20`\ [7:0]
> + - Cr\ :sub:`20`\ [15:8]
> + - Cb\ :sub:`22`\ [7:0]
> + - Cb\ :sub:`22`\ [15:8]
> + - Cr\ :sub:`22`\ [7:0]
> + - Cr\ :sub:`22`\ [15:8]
> +
> +.. flat-table:: Sample 4x4 NV16_16_1 Image
> + :header-rows: 0
> + :stub-columns: 0
> +
> + * - start + 0:
> + - Y'\ :sub:`00`\ [7:0]
> + - Y'\ :sub:`00`\ [15:8]
> + - Y'\ :sub:`01`\ [7:0]
> + - Y'\ :sub:`01`\ [15:8]
> + - Y'\ :sub:`02`\ [7:0]
> + - Y'\ :sub:`02`\ [15:8]
> + - Y'\ :sub:`03`\ [7:0]
> + - Y'\ :sub:`03`\ [15:8]
> + * - start + 8:
> + - Y'\ :sub:`10`\ [7:0]
> + - Y'\ :sub:`10`\ [15:8]
> + - Y'\ :sub:`11`\ [7:0]
> + - Y'\ :sub:`11`\ [15:8]
> + - Y'\ :sub:`12`\ [7:0]
> + - Y'\ :sub:`12`\ [15:8]
> + - Y'\ :sub:`13`\ [7:0]
> + - Y'\ :sub:`13`\ [15:8]
> + * - start + 16:
> + - Y'\ :sub:`20`\ [7:0]
> + - Y'\ :sub:`20`\ [15:8]
> + - Y'\ :sub:`21`\ [7:0]
> + - Y'\ :sub:`21`\ [15:8]
> + - Y'\ :sub:`22`\ [7:0]
> + - Y'\ :sub:`22`\ [15:8]
> + - Y'\ :sub:`23`\ [7:0]
> + - Y'\ :sub:`23`\ [15:8]
> + * - start + 24:
> + - Y'\ :sub:`30`\ [7:0]
> + - Y'\ :sub:`30`\ [15:8]
> + - Y'\ :sub:`31`\ [7:0]
> + - Y'\ :sub:`31`\ [15:8]
> + - Y'\ :sub:`32`\ [7:0]
> + - Y'\ :sub:`32`\ [15:8]
> + - Y'\ :sub:`33`\ [7:0]
> + - Y'\ :sub:`33`\ [15:8]
> + * - start + 32:
> + - Cb\ :sub:`00`\ [7:0]
> + - Cb\ :sub:`00`\ [15:8]
> + - Cr\ :sub:`00`\ [7:0]
> + - Cr\ :sub:`00`\ [15:8]
> + - Cb\ :sub:`02`\ [7:0]
> + - Cb\ :sub:`02`\ [15:8]
> + - Cr\ :sub:`02`\ [7:0]
> + - Cr\ :sub:`02`\ [15:8]
> + * - start + 40:
> + - Cb\ :sub:`10`\ [7:0]
> + - Cb\ :sub:`10`\ [15:8]
> + - Cr\ :sub:`10`\ [7:0]
> + - Cr\ :sub:`10`\ [15:8]
> + - Cb\ :sub:`12`\ [7:0]
> + - Cb\ :sub:`12`\ [15:8]
> + - Cr\ :sub:`12`\ [7:0]
> + - Cr\ :sub:`12`\ [15:8]
> + * - start + 48:
> + - Cb\ :sub:`20`\ [7:0]
> + - Cb\ :sub:`20`\ [15:8]
> + - Cr\ :sub:`20`\ [7:0]
> + - Cr\ :sub:`20`\ [15:8]
> + - Cb\ :sub:`22`\ [7:0]
> + - Cb\ :sub:`22`\ [15:8]
> + - Cr\ :sub:`22`\ [7:0]
> + - Cr\ :sub:`22`\ [15:8]
> + * - start + 56:
> + - Cb\ :sub:`30`\ [7:0]
> + - Cb\ :sub:`30`\ [15:8]
> + - Cr\ :sub:`30`\ [7:0]
> + - Cr\ :sub:`30`\ [15:8]
> + - Cb\ :sub:`32`\ [7:0]
> + - Cb\ :sub:`32`\ [15:8]
> + - Cr\ :sub:`32`\ [7:0]
> + - Cr\ :sub:`32`\ [15:8]
> +
> +
> Fully Planar YUV Formats
> ========================
>
> diff --git a/include/uapi/linux/videodev2.h b/include/uapi/linux/videodev2.h
> index cf9288d270c6..3c4609ff83d6 100644
> --- a/include/uapi/linux/videodev2.h
> +++ b/include/uapi/linux/videodev2.h
> @@ -616,6 +616,18 @@ struct v4l2_pix_format {
> #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_HM12 v4l2_fourcc('H', 'M', '1', '2') /* 8 YUV 4:2:0 16x16 macroblocks */
> +#define V4L2_PIX_FMT_NV12_10_3 v4l2_fourcc('N', '0', '1', '2') /* 16 Y/CbCr 4:2:0 10b */
> +#define V4L2_PIX_FMT_NV21_10_3 v4l2_fourcc('N', '0', '2', '1') /* 16 Y/CrCb 4:2:0 10b */
> +#define V4L2_PIX_FMT_NV16_10_3 v4l2_fourcc('N', '0', '1', '6') /* 64/3 Y/CbCr 4:2:2 10b */
> +#define V4L2_PIX_FMT_NV61_10_3 v4l2_fourcc('N', '0', '6', '1') /* 64/3 Y/CrCb 4:2:2 10b */
> +#define V4L2_PIX_FMT_NV12_12_2 v4l2_fourcc('N', '2', '1', '2') /* 18 Y/CbCr 4:2:0 12b */
> +#define V4L2_PIX_FMT_NV21_12_2 v4l2_fourcc('N', '2', '2', '1') /* 18 Y/CrCb 4:2:0 12b */
> +#define V4L2_PIX_FMT_NV16_12_2 v4l2_fourcc('N', '2', '1', '6') /* 24 Y/CbCr 4:2:2 12b */
> +#define V4L2_PIX_FMT_NV61_12_2 v4l2_fourcc('N', '2', '6', '1') /* 24 Y/CrCb 4:2:2 12b */
> +#define V4L2_PIX_FMT_NV12_16_1 v4l2_fourcc('N', '6', '1', '2') /* 24 Y/CbCr 4:2:0 16b */
> +#define V4L2_PIX_FMT_NV21_16_1 v4l2_fourcc('N', '6', '2', '1') /* 24 Y/CrCb 4:2:0 16b */
> +#define V4L2_PIX_FMT_NV16_16_1 v4l2_fourcc('N', '6', '1', '6') /* 32 Y/CbCr 4:2:2 16b */
> +#define V4L2_PIX_FMT_NV61_16_1 v4l2_fourcc('N', '6', '6', '1') /* 32 Y/CrCb 4:2:2 16b */
>
> /* 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 */
>
next prev parent reply other threads:[~2020-11-16 12:38 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-02 22:40 [PATCH v2 00/19] media: Add new pixel formats for Xilinx v-frmbuf Laurent Pinchart
2020-11-02 22:40 ` [PATCH v2 01/19] media: videodev2.h: Remove unneeded comment about 4CC value Laurent Pinchart
2020-11-02 22:40 ` [PATCH v2 02/19] media: videodev2.h: Move HI240 format to vendor-specific section Laurent Pinchart
2020-11-02 22:40 ` [PATCH v2 03/19] media: videodev2.h: Move HM12 format to YUV semi-planar section Laurent Pinchart
2020-11-02 22:40 ` [PATCH v2 04/19] media: doc: pixfmt-rgb: Remove layout table for packed RGB formats Laurent Pinchart
2020-11-02 22:40 ` [PATCH v2 05/19] media: doc: pixfmt-rgb: Add title for deprecated formats Laurent Pinchart
2020-11-02 22:40 ` [PATCH v2 06/19] media: doc: pixfmt-rgb: Clarify naming scheme for RGB formats Laurent Pinchart
2020-11-16 11:51 ` Hans Verkuil
2020-11-16 11:58 ` Hans Verkuil
2020-11-16 17:29 ` Laurent Pinchart
2020-11-16 17:26 ` Laurent Pinchart
2020-11-16 17:35 ` Laurent Pinchart
2020-11-16 18:20 ` Hans Verkuil
2020-11-02 22:40 ` [PATCH v2 07/19] media: doc: pixfmt-yuv: Document subsampling in more details Laurent Pinchart
2020-11-02 22:40 ` [PATCH v2 08/19] media: doc: pixfmt-yuv: Move all packed YUV formats to common file Laurent Pinchart
2020-11-02 22:40 ` [PATCH v2 09/19] media: doc: pixfmt-packed-yuv: Fill padding bits with '-' Laurent Pinchart
2020-11-02 22:40 ` [PATCH v2 10/19] media: doc: pixfmt-packed-yuv: Express 4:4:4 formats in a more compact way Laurent Pinchart
2020-11-02 22:40 ` [PATCH v2 11/19] media: doc: pixfmt-packed-yuv: Clarify naming scheme for 4:4:4 formats Laurent Pinchart
2020-11-02 22:40 ` [PATCH v2 12/19] media: doc: pixfmt-yuv: Move all luma-only YUV formats to common file Laurent Pinchart
2020-11-03 12:05 ` Sakari Ailus
2020-11-02 22:40 ` [PATCH v2 13/19] media: doc: pixfmt-yuv: Move all semi-planar " Laurent Pinchart
2020-11-02 22:40 ` [PATCH v2 14/19] media: doc: pixfmt-yuv: Move all planar " Laurent Pinchart
2020-11-02 22:40 ` [PATCH v2 15/19] media: v4l2: Add 10-, 12- and 16-bpc BGR formats Laurent Pinchart
2020-11-16 12:03 ` Hans Verkuil
2020-11-16 18:10 ` Laurent Pinchart
2020-11-02 22:40 ` [PATCH v2 16/19] media: v4l2: Add a few missing packed YUV 4:4:4 formats Laurent Pinchart
2020-11-16 12:25 ` Hans Verkuil
2020-11-02 22:41 ` [PATCH v2 17/19] media: v4l2: Add 10-, 12- and 16-bpc 4:4:4 packed VUY formats Laurent Pinchart
2020-11-02 22:41 ` [PATCH v2 18/19] media: v4l2: Add 10- and 12-bpc luma-only formats with linear packing Laurent Pinchart
2020-11-02 22:41 ` [PATCH v2 19/19] media: v4l2: Add 10-, 12- and 16-bpc 4:2:0 and 4:2:2 semi-planar YUV formats Laurent Pinchart
2020-11-16 12:10 ` Hans Verkuil [this message]
2020-11-16 12:17 ` Hans Verkuil
2020-11-16 18:41 ` Laurent Pinchart
2020-11-03 8:57 ` [PATCH v2 00/19] media: Add new pixel formats for Xilinx v-frmbuf Sakari Ailus
2020-11-03 10:25 ` Laurent Pinchart
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