P010 is a YUV format with 10-bits per pixel with interleaved UV. Signed-off-by: Benjamin Gaignard <benjamin.gaignard@xxxxxxxxxxxxx> Acked-by: Nicolas Dufresne <nicolas.dufresne@xxxxxxxxxxxxx> --- Note that P010 is already known in GStreamer, only the mapping with v4l2 pixel format is missing. This patch has been acked in this series but never merged: https://patchwork.kernel.org/project/linux-rockchip/patch/20210618131526.566762-5-benjamin.gaignard@xxxxxxxxxxxxx/ After rebased it on v5.18-rc1, resend in standalone mode. .../media/v4l/pixfmt-yuv-planar.rst | 76 +++++++++++++++++++ drivers/media/v4l2-core/v4l2-common.c | 1 + drivers/media/v4l2-core/v4l2-ioctl.c | 1 + include/uapi/linux/videodev2.h | 1 + 4 files changed, 79 insertions(+) diff --git a/Documentation/userspace-api/media/v4l/pixfmt-yuv-planar.rst b/Documentation/userspace-api/media/v4l/pixfmt-yuv-planar.rst index 8dff5906639b..6d65c8ac44f0 100644 --- a/Documentation/userspace-api/media/v4l/pixfmt-yuv-planar.rst +++ b/Documentation/userspace-api/media/v4l/pixfmt-yuv-planar.rst @@ -102,6 +102,13 @@ All components are stored with the same number of bits per component. - 64x32 tiles Horizontal Z order + * - V4L2_PIX_FMT_P010 + - 'P010' + - 16 + - 4:2:0 + - Cb, Cr + - No + - Linear * - V4L2_PIX_FMT_NV12MT_16X16 - 'VM12' - 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 +527,74 @@ number of lines as the luma plane. - Cb\ :sub:`33` - Cr\ :sub:`33` +.. _V4L2_PIX_FMT_P010: + +P010 +---- + +The number of bytes in one luminance row must be divisible by 16, +which means there will be padded 0 in the right edge when necessary. + +.. raw:: latex + + \begingroup + \small + \setlength{\tabcolsep}{2pt} + +.. tabularcolumns:: |p{2.6cm}|p{0.70cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}| + +.. flat-table:: P010 16 Bits per component + :header-rows: 2 + :stub-columns: 0 + + * - Identifier + - Code + - :cspan:`7` Byte 0 in memory + + - :cspan:`7` Byte 1 + * - + - + - 7 + - 6 + - 5 + - 4 + - 3 + - 2 + - 1 + - 0 + + - 7 + - 6 + - 5 + - 4 + - 3 + - 2 + - 1 + - 0 + * - ``V4L2_PIX_FMT_P010`` + - 'P010' + + - Y\ :sub:`9` + - Y\ :sub:`8` + - Y\ :sub:`7` + - Y\ :sub:`6` + - Y\ :sub:`5` + - Y\ :sub:`4` + - Y\ :sub:`3` + - Y\ :sub:`2` + + - Y\ :sub:`1` + - Y\ :sub:`0` + - 0 + - 0 + - 0 + - 0 + - 0 + - 0 + +.. raw:: latex + + \endgroup Fully Planar YUV Formats ======================== diff --git a/drivers/media/v4l2-core/v4l2-common.c b/drivers/media/v4l2-core/v4l2-common.c index df34b2a283bc..1e38ad8906a2 100644 --- a/drivers/media/v4l2-core/v4l2-common.c +++ b/drivers/media/v4l2-core/v4l2-common.c @@ -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 }, diff --git a/drivers/media/v4l2-core/v4l2-ioctl.c b/drivers/media/v4l2-core/v4l2-ioctl.c index 96e307fe3aab..e14d7e1a038e 100644 --- a/drivers/media/v4l2-core/v4l2-ioctl.c +++ b/drivers/media/v4l2-core/v4l2-ioctl.c @@ -1301,6 +1301,7 @@ 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; diff --git a/include/uapi/linux/videodev2.h b/include/uapi/linux/videodev2.h index 4c09969e7112..2e451c454db3 100644 --- a/include/uapi/linux/videodev2.h +++ b/include/uapi/linux/videodev2.h @@ -601,6 +601,7 @@ 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') /* 15 Y/CbCr 4:2:0 10-bit per pixel*/ /* 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 */ -- 2.32.0
