[media] v4l: Add metadata buffer type and format

[karo-tx-linux.git] / include / uapi / linux / videodev2.h

diff --git a/include/uapi/linux/videodev2.h b/include/uapi/linux/videodev2.h
index 45184a2ef66c219c893769dd73bc5c3485a5c814..7078deef2c642cd8362d8071e2104b3e50978ae1 100644 (file)
--- a/include/uapi/linux/videodev2.h
+++ b/include/uapi/linux/videodev2.h
@@ -143,6 +143,7 @@ enum v4l2_buf_type {
        V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE  = 10,
        V4L2_BUF_TYPE_SDR_CAPTURE          = 11,
        V4L2_BUF_TYPE_SDR_OUTPUT           = 12,
+       V4L2_BUF_TYPE_META_CAPTURE         = 13,
        /* Deprecated, do not use */
        V4L2_BUF_TYPE_PRIVATE              = 0x80,
 };
@@ -362,8 +363,7 @@ enum v4l2_quantization {
        /*
         * The default for R'G'B' quantization is always full range, except
         * for the BT2020 colorspace. For Y'CbCr the quantization is always
-        * limited range, except for COLORSPACE_JPEG, XV601 or XV709: those
-        * are full range.
+        * limited range, except for COLORSPACE_JPEG: this is full range.
         */
        V4L2_QUANTIZATION_DEFAULT     = 0,
        V4L2_QUANTIZATION_FULL_RANGE  = 1,
@@ -378,8 +378,7 @@ enum v4l2_quantization {
 #define V4L2_MAP_QUANTIZATION_DEFAULT(is_rgb_or_hsv, colsp, ycbcr_enc) \
        (((is_rgb_or_hsv) && (colsp) == V4L2_COLORSPACE_BT2020) ? \
         V4L2_QUANTIZATION_LIM_RANGE : \
-        (((is_rgb_or_hsv) || (ycbcr_enc) == V4L2_YCBCR_ENC_XV601 || \
-         (ycbcr_enc) == V4L2_YCBCR_ENC_XV709 || (colsp) == V4L2_COLORSPACE_JPEG) ? \
+        (((is_rgb_or_hsv) || (colsp) == V4L2_COLORSPACE_JPEG) ? \
         V4L2_QUANTIZATION_FULL_RANGE : V4L2_QUANTIZATION_LIM_RANGE))
 
 enum v4l2_priority {
@@ -453,6 +452,7 @@ struct v4l2_capability {
 #define V4L2_CAP_SDR_CAPTURE           0x00100000  /* Is a SDR capture device */
 #define V4L2_CAP_EXT_PIX_FORMAT                0x00200000  /* Supports the extended pixel format */
 #define V4L2_CAP_SDR_OUTPUT            0x00400000  /* Is a SDR output device */
+#define V4L2_CAP_META_CAPTURE          0x00800000  /* Is a metadata capture device */
 
 #define V4L2_CAP_READWRITE              0x01000000  /* read/write systemcalls */
 #define V4L2_CAP_ASYNCIO                0x02000000  /* async I/O */
@@ -661,6 +661,7 @@ struct v4l2_pix_format {
 #define V4L2_PIX_FMT_Y12I     v4l2_fourcc('Y', '1', '2', 'I') /* Greyscale 12-bit L/R interleaved */
 #define V4L2_PIX_FMT_Z16      v4l2_fourcc('Z', '1', '6', ' ') /* Depth data 16-bit */
 #define V4L2_PIX_FMT_MT21C    v4l2_fourcc('M', 'T', '2', '1') /* Mediatek compressed block mode  */
+#define V4L2_PIX_FMT_INZI     v4l2_fourcc('I', 'N', 'Z', 'I') /* Intel Planar Greyscale 10-bit and Depth 16-bit */
 
 /* SDR formats - used only for Software Defined Radio devices */
 #define V4L2_SDR_FMT_CU8          v4l2_fourcc('C', 'U', '0', '8') /* IQ u8 */
@@ -2086,6 +2087,16 @@ struct v4l2_sdr_format {
        __u8                            reserved[24];
 } __attribute__ ((packed));
 
+/**
+ * struct v4l2_meta_format - metadata format definition
+ * @dataformat:                little endian four character code (fourcc)
+ * @buffersize:                maximum size in bytes required for data
+ */
+struct v4l2_meta_format {
+       __u32                           dataformat;
+       __u32                           buffersize;
+} __attribute__ ((packed));
+
 /**
  * struct v4l2_format - stream data format
  * @type:      enum v4l2_buf_type; type of the data stream
@@ -2105,6 +2116,7 @@ struct v4l2_format {
                struct v4l2_vbi_format          vbi;     /* V4L2_BUF_TYPE_VBI_CAPTURE */
                struct v4l2_sliced_vbi_format   sliced;  /* V4L2_BUF_TYPE_SLICED_VBI_CAPTURE */
                struct v4l2_sdr_format          sdr;     /* V4L2_BUF_TYPE_SDR_CAPTURE */
+               struct v4l2_meta_format         meta;    /* V4L2_BUF_TYPE_META_CAPTURE */
                __u8    raw_data[200];                   /* user-defined */
        } fmt;
 };