diff options
| author | Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com> | 2016-08-22 06:28:07 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@s-opensource.com> | 2016-10-21 15:52:04 -0200 |
| commit | 8a0d62af93026de424d75906e3651ba653197668 (patch) | |
| tree | 41211dfd286cca75a23d8fc9155aa13c59e64349 /include/uapi/linux/videodev2.h | |
| parent | f1eb926d1d79a210c8a2bac2f0438163f436a077 (diff) | |
[media] videodev2.h Add HSV encoding
Some hardware maps the Hue between 0 and 255 instead of 0-179. Support
this format with a new field hsv_enc.
Signed-off-by: Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Diffstat (limited to 'include/uapi/linux/videodev2.h')
| -rw-r--r-- | include/uapi/linux/videodev2.h | 32 |
1 files changed, 27 insertions, 5 deletions
diff --git a/include/uapi/linux/videodev2.h b/include/uapi/linux/videodev2.h index 6b480c91778e..4364ce6b0aa6 100644 --- a/include/uapi/linux/videodev2.h +++ b/include/uapi/linux/videodev2.h @@ -335,6 +335,19 @@ enum v4l2_ycbcr_encoding { }; /* + * enum v4l2_hsv_encoding values should not collide with the ones from + * enum v4l2_ycbcr_encoding. + */ +enum v4l2_hsv_encoding { + + /* Hue mapped to 0 - 179 */ + V4L2_HSV_ENC_180 = 128, + + /* Hue mapped to 0-255 */ + V4L2_HSV_ENC_256 = 129, +}; + +/* * Determine how YCBCR_ENC_DEFAULT should map to a proper Y'CbCr encoding. * This depends on the colorspace. */ @@ -362,9 +375,10 @@ enum v4l2_quantization { * This depends on whether the image is RGB or not, the colorspace and the * Y'CbCr encoding. */ -#define V4L2_MAP_QUANTIZATION_DEFAULT(is_rgb, colsp, ycbcr_enc) \ - (((is_rgb) && (colsp) == V4L2_COLORSPACE_BT2020) ? V4L2_QUANTIZATION_LIM_RANGE : \ - (((is_rgb) || (ycbcr_enc) == V4L2_YCBCR_ENC_XV601 || \ +#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) || \ (colsp) == V4L2_COLORSPACE_ADOBERGB || (colsp) == V4L2_COLORSPACE_SRGB ? \ V4L2_QUANTIZATION_FULL_RANGE : V4L2_QUANTIZATION_LIM_RANGE)) @@ -462,7 +476,12 @@ struct v4l2_pix_format { __u32 colorspace; /* enum v4l2_colorspace */ __u32 priv; /* private data, depends on pixelformat */ __u32 flags; /* format flags (V4L2_PIX_FMT_FLAG_*) */ - __u32 ycbcr_enc; /* enum v4l2_ycbcr_encoding */ + union { + /* enum v4l2_ycbcr_encoding */ + __u32 ycbcr_enc; + /* enum v4l2_hsv_encoding */ + __u32 hsv_enc; + }; __u32 quantization; /* enum v4l2_quantization */ __u32 xfer_func; /* enum v4l2_xfer_func */ }; @@ -2012,7 +2031,10 @@ struct v4l2_pix_format_mplane { struct v4l2_plane_pix_format plane_fmt[VIDEO_MAX_PLANES]; __u8 num_planes; __u8 flags; - __u8 ycbcr_enc; + union { + __u8 ycbcr_enc; + __u8 hsv_enc; + }; __u8 quantization; __u8 xfer_func; __u8 reserved[7]; |