media: v4l: Add packed YUV444 24bpp pixel format

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.

Mirela Rabulea committed 5 years ago

Commit 0376a511 parent 74323763 files · +12 −0Browse files

Unified · Split

3 files

Documentation/userspace-api/media/v4l/pixfmt-packed-yuv.rst +10 −0
drivers/media/v4l2-core/v4l2-ioctl.c +1 −0
include/uapi/linux/videodev2.h +1 −0

Documentation/userspace-api/media/v4l/pixfmt-packed-yuv.rst+10−0

@@ -220,6 +220,16 @@ the second byte and Y'\ :sub:`7-0` in the third byte. · 219 unmodified lines
220	220	- Y'\ :sub:`7-0`
221	221	- X\ :sub:`7-0`
222	222
	223	+ * .. _V4L2-PIX-FMT-YUV24:
	224	+
	225	+ - ``V4L2_PIX_FMT_YUV24``
	226	+ - 'YUV3'
	227	+
	228	+ - Y'\ :sub:`7-0`
	229	+ - Cb\ :sub:`7-0`
	230	+ - Cr\ :sub:`7-0`
	231	+ - -\
	232	+
223	233	.. note::
224	234
225	235	- The alpha component is expected to contain a meaningful value that can be

drivers/media/v4l2-core/v4l2-ioctl.c+1−0

@@ -1304,6 +1304,7 @@ static void v4l_fill_fmtdesc(struct v4l2_fmtdesc *fmt) · 1303 unmodified lines
1304	1304	case V4L2_PIX_FMT_YUV444: descr = "16-bit A/XYUV 4-4-4-4"; break;
1305	1305	case V4L2_PIX_FMT_YUV555: descr = "16-bit A/XYUV 1-5-5-5"; break;
1306	1306	case V4L2_PIX_FMT_YUV565: descr = "16-bit YUV 5-6-5"; break;
	1307	+ case V4L2_PIX_FMT_YUV24: descr = "24-bit YUV 4:4:4 8-8-8"; break;
1307	1308	case V4L2_PIX_FMT_YUV32: descr = "32-bit A/XYUV 8-8-8-8"; break;
1308	1309	case V4L2_PIX_FMT_AYUV32: descr = "32-bit AYUV 8-8-8-8"; break;
1309	1310	case V4L2_PIX_FMT_XYUV32: descr = "32-bit XYUV 8-8-8-8"; break;

include/uapi/linux/videodev2.h+1−0

@@ -586,6 +586,7 @@ struct v4l2_pix_format { · 585 unmodified lines
586	586	#define V4L2_PIX_FMT_YUV444 v4l2_fourcc('Y', '4', '4', '4') /* 16 xxxxyyyy uuuuvvvv */
587	587	#define V4L2_PIX_FMT_YUV555 v4l2_fourcc('Y', 'U', 'V', 'O') /* 16 YUV-5-5-5 */
588	588	#define V4L2_PIX_FMT_YUV565 v4l2_fourcc('Y', 'U', 'V', 'P') /* 16 YUV-5-6-5 */
	589	+#define V4L2_PIX_FMT_YUV24 v4l2_fourcc('Y', 'U', 'V', '3') /* 24 YUV-8-8-8 */
589	590	#define V4L2_PIX_FMT_YUV32 v4l2_fourcc('Y', 'U', 'V', '4') /* 32 YUV-8-8-8-8 */
590	591	#define V4L2_PIX_FMT_AYUV32 v4l2_fourcc('A', 'Y', 'U', 'V') /* 32 AYUV-8-8-8-8 */
591	592	#define V4L2_PIX_FMT_XYUV32 v4l2_fourcc('X', 'Y', 'U', 'V') /* 32 XYUV-8-8-8-8 */