diff options
Diffstat (limited to 'include/uapi/linux/v4l2-controls.h')
| -rw-r--r-- | include/uapi/linux/v4l2-controls.h | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/include/uapi/linux/v4l2-controls.h b/include/uapi/linux/v4l2-controls.h index 3f24663fba4a..823b214aac0c 100644 --- a/include/uapi/linux/v4l2-controls.h +++ b/include/uapi/linux/v4l2-controls.h @@ -1565,6 +1565,76 @@ struct v4l2_ctrl_h264_decode_params { }; +/* Stateless FWHT control, used by the vicodec driver */ + +/* Current FWHT version */ +#define V4L2_FWHT_VERSION 3 + +/* Set if this is an interlaced format */ +#define V4L2_FWHT_FL_IS_INTERLACED BIT(0) +/* Set if this is a bottom-first (NTSC) interlaced format */ +#define V4L2_FWHT_FL_IS_BOTTOM_FIRST BIT(1) +/* Set if each 'frame' contains just one field */ +#define V4L2_FWHT_FL_IS_ALTERNATE BIT(2) +/* + * If V4L2_FWHT_FL_IS_ALTERNATE was set, then this is set if this + * 'frame' is the bottom field, else it is the top field. + */ +#define V4L2_FWHT_FL_IS_BOTTOM_FIELD BIT(3) +/* Set if the Y' plane is uncompressed */ +#define V4L2_FWHT_FL_LUMA_IS_UNCOMPRESSED BIT(4) +/* Set if the Cb plane is uncompressed */ +#define V4L2_FWHT_FL_CB_IS_UNCOMPRESSED BIT(5) +/* Set if the Cr plane is uncompressed */ +#define V4L2_FWHT_FL_CR_IS_UNCOMPRESSED BIT(6) +/* Set if the chroma plane is full height, if cleared it is half height */ +#define V4L2_FWHT_FL_CHROMA_FULL_HEIGHT BIT(7) +/* Set if the chroma plane is full width, if cleared it is half width */ +#define V4L2_FWHT_FL_CHROMA_FULL_WIDTH BIT(8) +/* Set if the alpha plane is uncompressed */ +#define V4L2_FWHT_FL_ALPHA_IS_UNCOMPRESSED BIT(9) +/* Set if this is an I Frame */ +#define V4L2_FWHT_FL_I_FRAME BIT(10) + +/* A 4-values flag - the number of components - 1 */ +#define V4L2_FWHT_FL_COMPONENTS_NUM_MSK GENMASK(18, 16) +#define V4L2_FWHT_FL_COMPONENTS_NUM_OFFSET 16 + +/* A 4-values flag - the pixel encoding type */ +#define V4L2_FWHT_FL_PIXENC_MSK GENMASK(20, 19) +#define V4L2_FWHT_FL_PIXENC_OFFSET 19 +#define V4L2_FWHT_FL_PIXENC_YUV (1 << V4L2_FWHT_FL_PIXENC_OFFSET) +#define V4L2_FWHT_FL_PIXENC_RGB (2 << V4L2_FWHT_FL_PIXENC_OFFSET) +#define V4L2_FWHT_FL_PIXENC_HSV (3 << V4L2_FWHT_FL_PIXENC_OFFSET) + +#define V4L2_CID_STATELESS_FWHT_PARAMS (V4L2_CID_CODEC_STATELESS_BASE + 100) +/** + * struct v4l2_ctrl_fwht_params - FWHT parameters + * + * @backward_ref_ts: timestamp of the V4L2 capture buffer to use as reference. + * The timestamp refers to the timestamp field in struct v4l2_buffer. + * Use v4l2_timeval_to_ns() to convert the struct timeval to a __u64. + * @version: must be V4L2_FWHT_VERSION. + * @width: width of frame. + * @height: height of frame. + * @flags: FWHT flags (see V4L2_FWHT_FL_*). + * @colorspace: the colorspace (enum v4l2_colorspace). + * @xfer_func: the transfer function (enum v4l2_xfer_func). + * @ycbcr_enc: the Y'CbCr encoding (enum v4l2_ycbcr_encoding). + * @quantization: the quantization (enum v4l2_quantization). + */ +struct v4l2_ctrl_fwht_params { + __u64 backward_ref_ts; + __u32 version; + __u32 width; + __u32 height; + __u32 flags; + __u32 colorspace; + __u32 xfer_func; + __u32 ycbcr_enc; + __u32 quantization; +}; + /* MPEG-compression definitions kept for backwards compatibility */ #ifndef __KERNEL__ #define V4L2_CTRL_CLASS_MPEG V4L2_CTRL_CLASS_CODEC |