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@xxxxxxxxx>
---
include/uapi/linux/videodev2.h | 21 +++++++++++++++++++--
1 file changed, 19 insertions(+), 2 deletions(-)
diff --git a/include/uapi/linux/videodev2.h b/include/uapi/linux/videodev2.h
index c7fb760386cf..49edc462ca8e 100644
--- a/include/uapi/linux/videodev2.h
+++ b/include/uapi/linux/videodev2.h
@@ -330,6 +330,15 @@ enum v4l2_ycbcr_encoding {
V4L2_YCBCR_ENC_SMPTE240M = 8,
};
+enum v4l2_hsv_encoding {
+
+ /* Hue mapped to 0 - 179 */
+ V4L2_HSV_ENC_180 = 16,
+
+ /* Hue mapped to 0-255 */
+ V4L2_HSV_ENC_256 = 17,
+};
+
/*
* Determine how YCBCR_ENC_DEFAULT should map to a proper Y'CbCr encoding.
* This depends on the colorspace.
@@ -455,7 +464,12 @@ 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 */
};
@@ -1988,7 +2002,10 @@ 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];
--
2.8.1
--
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