The added format is V4L2_PIX_FMT_YUV24, this is a packed YUV 4:4:4 format, with 8 bits for each component, 24 bits per sample. This format is used by the i.MX 8QuadMax and i.MX 8DualXPlus/8QuadXPlus JPEG encoder/decoder. Signed-off-by: Mirela Rabulea <mirela.rabulea@xxxxxxx> --- Documentation/media/uapi/v4l/pixfmt-packed-yuv.rst | 37 +++++++++++++++++++++- drivers/media/v4l2-core/v4l2-ioctl.c | 1 + include/uapi/linux/videodev2.h | 1 + 3 files changed, 38 insertions(+), 1 deletion(-) diff --git a/Documentation/media/uapi/v4l/pixfmt-packed-yuv.rst b/Documentation/media/uapi/v4l/pixfmt-packed-yuv.rst index 41b60fa..5750ff6 100644 --- a/Documentation/media/uapi/v4l/pixfmt-packed-yuv.rst +++ b/Documentation/media/uapi/v4l/pixfmt-packed-yuv.rst @@ -17,7 +17,8 @@ Description =========== Similar to the packed RGB formats these formats store the Y, Cb and Cr -component of each pixel in one 16 or 32 bit word. +component of each pixel next to each other in memory. They occupy 16, 24 or 32 +bits per pixel. .. raw:: latex @@ -157,6 +158,40 @@ component of each pixel in one 16 or 32 bit word. - :cspan:`15` + * .. _V4L2-PIX-FMT-YUV24: + + - ``V4L2_PIX_FMT_YUV24`` + - 'YUV3' + + - Y'\ :sub:`7` + - Y'\ :sub:`6` + - Y'\ :sub:`5` + - Y'\ :sub:`4` + - Y'\ :sub:`3` + - Y'\ :sub:`2` + - Y'\ :sub:`1` + - Y'\ :sub:`0` + + - Cb\ :sub:`7` + - Cb\ :sub:`6` + - Cb\ :sub:`5` + - Cb\ :sub:`4` + - Cb\ :sub:`3` + - Cb\ :sub:`2` + - Cb\ :sub:`1` + - Cb\ :sub:`0` + + - Cr\ :sub:`7` + - Cr\ :sub:`6` + - Cr\ :sub:`5` + - Cr\ :sub:`4` + - Cr\ :sub:`3` + - Cr\ :sub:`2` + - Cr\ :sub:`1` + - Cr\ :sub:`0` + + - :cspan:`7` + * .. _V4L2-PIX-FMT-YUV32: - ``V4L2_PIX_FMT_YUV32`` diff --git a/drivers/media/v4l2-core/v4l2-ioctl.c b/drivers/media/v4l2-core/v4l2-ioctl.c index 315ac12..9973fdf 100644 --- a/drivers/media/v4l2-core/v4l2-ioctl.c +++ b/drivers/media/v4l2-core/v4l2-ioctl.c @@ -1246,6 +1246,7 @@ static void v4l_fill_fmtdesc(struct v4l2_fmtdesc *fmt) case V4L2_PIX_FMT_YUV444: descr = "16-bit A/XYUV 4-4-4-4"; break; case V4L2_PIX_FMT_YUV555: descr = "16-bit A/XYUV 1-5-5-5"; break; case V4L2_PIX_FMT_YUV565: descr = "16-bit YUV 5-6-5"; break; + case V4L2_PIX_FMT_YUV24: descr = "24-bit YUV 4:4:4 8-8-8"; break; case V4L2_PIX_FMT_YUV32: descr = "32-bit A/XYUV 8-8-8-8"; break; case V4L2_PIX_FMT_AYUV32: descr = "32-bit AYUV 8-8-8-8"; break; case V4L2_PIX_FMT_XYUV32: descr = "32-bit XYUV 8-8-8-8"; break; diff --git a/include/uapi/linux/videodev2.h b/include/uapi/linux/videodev2.h index f98bbcc..8a1d9b4 100644 --- a/include/uapi/linux/videodev2.h +++ b/include/uapi/linux/videodev2.h @@ -588,6 +588,7 @@ 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 */ -- 2.7.4