On 02/11/2020 23:40, Laurent Pinchart wrote:
> Add three new formats belonging to the packed YUV 4:4:4 family. They are
> used by the Xilinx Video Frame Buffer Read/Write IP cores.
>
> Signed-off-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
> ---
> .../media/v4l/pixfmt-packed-yuv.rst | 29 +++++++++++++++++++
> include/uapi/linux/videodev2.h | 3 ++
> 2 files changed, 32 insertions(+)
>
> diff --git a/Documentation/userspace-api/media/v4l/pixfmt-packed-yuv.rst b/Documentation/userspace-api/media/v4l/pixfmt-packed-yuv.rst
> index 8f0f1405bfe3..6824898122aa 100644
> --- a/Documentation/userspace-api/media/v4l/pixfmt-packed-yuv.rst
> +++ b/Documentation/userspace-api/media/v4l/pixfmt-packed-yuv.rst
> @@ -170,6 +170,15 @@ the second byte and Y'\ :sub:`7-0` in the third byte.
> - Byte 2
> - Byte 3
>
> + * .. _V4L2-PIX-FMT-YUV24:
> +
> + - ``V4L2_PIX_FMT_YUV24``
> + - 'YUV3'
> +
> + - Y'\ :sub:`7-0`
> + - Cb\ :sub:`7-0`
> + - Cr\ :sub:`7-0`
> +
> * .. _V4L2-PIX-FMT-YUV32:
>
> - ``V4L2_PIX_FMT_YUV32``
> @@ -220,6 +229,26 @@ the second byte and Y'\ :sub:`7-0` in the third byte.
> - Y'\ :sub:`7-0`
> - `-`\ :sub:`7-0`
>
> + * .. _V4L2-PIX-FMT-YUVA32:
> +
> + - ``V4L2_PIX_FMT_YUVA32``
> + - 'YUVA'
> +
> + - Y'\ :sub:`7-0`
> + - Cb\ :sub:`7-0`
> + - Cr\ :sub:`7-0`
> + - `-`\ :sub:`7-0`
'-' should be A here.
Regards,
Hans
> +
> + * .. _V4L2-PIX-FMT-YUVX32:
> +
> + - ``V4L2_PIX_FMT_YUVX32``
> + - 'YUVX'
> +
> + - Y'\ :sub:`7-0`
> + - Cb\ :sub:`7-0`
> + - Cr\ :sub:`7-0`
> + - `-`\ :sub:`7-0`
> +
> .. note::
>
> - The alpha component is expected to contain a meaningful value that can be
> diff --git a/include/uapi/linux/videodev2.h b/include/uapi/linux/videodev2.h
> index fab1dbb1a618..afe3619bc77c 100644
> --- a/include/uapi/linux/videodev2.h
> +++ b/include/uapi/linux/videodev2.h
> @@ -593,11 +593,14 @@ 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 */
> #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 */
>
