__u32 min_display_mastering_luminance;
};
+/* Stateless VP9 controls */
+
+/**
+ */
+#define V4L2_VP9_LOOP_FILTER_FLAG_DELTA_ENABLED 0x1
+#define V4L2_VP9_LOOP_FILTER_FLAG_DELTA_UPDATE 0x2
+
+/**
+ * struct v4l2_vp9_loop_filter - VP9 loop filter parameters
+ *
+ * @ref_deltas: contains the adjustment needed for the filter level based on the chosen
+ * reference frame. If this syntax element is not present in the bitstream, users
+ * should pass its last value.
+ * @mode_deltas: contains the adjustment needed for the filter level based on the chosen mode.
+ * If this syntax element is not present in the bitstream, users
+ * should pass its last value.
+ * @level: indicates the loop filter strength
+ * @sharpness: indicates the sharpness level
+ * @flags: combination of V4L2_VP9_LOOP_FILTER_FLAG_* flags
+ * @reserved: padding field. Should be zeroed by applications.
+ *
+ * This structure contains all loop filter related parameters. See sections
+ * '7.2.8 Loop filter semantics' of the VP9 specification for more details.
+ */
+struct v4l2_vp9_loop_filter {
+ __s8 ref_deltas[4];
+ __s8 mode_deltas[2];
+ __u8 level;
+ __u8 sharpness;
+ __u8 flags;
+ __u8 reserved[7];
+};
+
+/**
+ * struct v4l2_vp9_quantization - VP9 quantization parameters
+ *
+ * @base_q_idx: indicates the base frame qindex
+ * @delta_q_y_dc: indicates the Y DC quantizer relative to base_q_idx
+ * @delta_q_uv_dc: indicates the UV DC quantizer relative to base_q_idx
+ * @delta_q_uv_ac: indicates the UV AC quantizer relative to base_q_idx
+ * @reserved: padding field. Should be zeroed by applications.
+ *
+ * Encodes the quantization parameters. See section '7.2.9 Quantization params
+ * syntax' of the VP9 specification for more details.
+ */
+struct v4l2_vp9_quantization {
+ __u8 base_q_idx;
+ __s8 delta_q_y_dc;
+ __s8 delta_q_uv_dc;
+ __s8 delta_q_uv_ac;
+ __u8 reserved[4];
+};
+
+#define V4L2_VP9_SEGMENTATION_FLAG_ENABLED 0x01
+#define V4L2_VP9_SEGMENTATION_FLAG_UPDATE_MAP 0x02
+#define V4L2_VP9_SEGMENTATION_FLAG_TEMPORAL_UPDATE 0x04
+#define V4L2_VP9_SEGMENTATION_FLAG_UPDATE_DATA 0x08
+#define V4L2_VP9_SEGMENTATION_FLAG_ABS_OR_DELTA_UPDATE 0x10
+
+#define V4L2_VP9_SEG_LVL_ALT_Q 0
+#define V4L2_VP9_SEG_LVL_ALT_L 1
+#define V4L2_VP9_SEG_LVL_REF_FRAME 2
+#define V4L2_VP9_SEG_LVL_SKIP 3
+#define V4L2_VP9_SEG_LVL_MAX 4
+
+#define V4L2_VP9_SEGMENT_FEATURE_ENABLED(id) (1 << (id))
+#define V4L2_VP9_SEGMENT_FEATURE_ENABLED_MASK 0xf
+
+/**
+ * struct v4l2_vp9_segmentation - VP9 segmentation parameters
+ *
+ * @feature_data: data attached to each feature. Data entry is only valid if the feature is enabled.
+ * The array shall be indexed with segment number as the first dimension (0..7) and one of
+ * V4L2_VP9_SEG_* as the second dimension.
+ * @feature_enabled: bitmask defining which features are enabled in each segment. The value for
+ * each segment is a combination of V4L2_VP9_SEGMENT_FEATURE_ENABLED(id) values where id is one
+ * of V4L2_VP9_SEG_*
+ * @tree_probs: specifies the probability values to be used when
+ * decoding a Segment-ID. See '5.15. Segmentation map' section of the VP9 specification
+ * for more details.
+ * @pred_probs: specifies the probability values to be used when decoding a
+ * Predicted-Segment-ID. See '6.4.14. Get segment id syntax' section of :ref:`vp9`
+ * for more details.
+ * @flags: combination of V4L2_VP9_SEGMENTATION_FLAG_* flags
+ * @reserved: padding field. Should be zeroed by applications.
+ *
+ * Encodes the quantization parameters. See section '7.2.10 Segmentation params syntax' of
+ * the VP9 specification for more details.
+ */
+struct v4l2_vp9_segmentation {
+ __s16 feature_data[8][4];
+ __u8 feature_enabled[8];
+ __u8 tree_probs[7];
+ __u8 pred_probs[3];
+ __u8 flags;
+ __u8 reserved[5];
+};
+
+#define V4L2_VP9_FRAME_FLAG_KEY_FRAME 0x001
+#define V4L2_VP9_FRAME_FLAG_SHOW_FRAME 0x002
+#define V4L2_VP9_FRAME_FLAG_ERROR_RESILIENT 0x004
+#define V4L2_VP9_FRAME_FLAG_INTRA_ONLY 0x008
+#define V4L2_VP9_FRAME_FLAG_ALLOW_HIGH_PREC_MV 0x010
+#define V4L2_VP9_FRAME_FLAG_REFRESH_FRAME_CTX 0x020
+#define V4L2_VP9_FRAME_FLAG_PARALLEL_DEC_MODE 0x040
+#define V4L2_VP9_FRAME_FLAG_X_SUBSAMPLING 0x080
+#define V4L2_VP9_FRAME_FLAG_Y_SUBSAMPLING 0x100
+#define V4L2_VP9_FRAME_FLAG_COLOR_RANGE_FULL_SWING 0x200
+
+#define V4L2_VP9_SIGN_BIAS_LAST 0x1
+#define V4L2_VP9_SIGN_BIAS_GOLDEN 0x2
+#define V4L2_VP9_SIGN_BIAS_ALT 0x4
+
+#define V4L2_VP9_RESET_FRAME_CTX_NONE 0
+#define V4L2_VP9_RESET_FRAME_CTX_SPEC 1
+#define V4L2_VP9_RESET_FRAME_CTX_ALL 2
+
+#define V4L2_VP9_INTERP_FILTER_EIGHTTAP 0
+#define V4L2_VP9_INTERP_FILTER_EIGHTTAP_SMOOTH 1
+#define V4L2_VP9_INTERP_FILTER_EIGHTTAP_SHARP 2
+#define V4L2_VP9_INTERP_FILTER_BILINEAR 3
+#define V4L2_VP9_INTERP_FILTER_SWITCHABLE 4
+
+#define V4L2_VP9_REFERENCE_MODE_SINGLE_REFERENCE 0
+#define V4L2_VP9_REFERENCE_MODE_COMPOUND_REFERENCE 1
+#define V4L2_VP9_REFERENCE_MODE_SELECT 2
+
+#define V4L2_VP9_PROFILE_MAX 3
+
+#define V4L2_CID_STATELESS_VP9_FRAME (V4L2_CID_CODEC_STATELESS_BASE + 300)
+/**
+ * struct v4l2_ctrl_vp9_frame - VP9 frame decoding control
+ *
+ * @lf: loop filter parameters. See &v4l2_vp9_loop_filter for more details
+ * @quant: quantization parameters. See &v4l2_vp9_quantization for more details
+ * @seg: segmentation parameters. See &v4l2_vp9_segmentation for more details
+ * @flags: combination of V4L2_VP9_FRAME_FLAG_* flags
+ * @compressed_header_size: compressed header size in bytes
+ * @uncompressed_header_size: uncompressed header size in bytes
+ * @frame_width_minus_1: add 1 to it and you'll get the frame width expressed in pixels
+ * @frame_height_minus_1: add 1 to it and you'll get the frame height expressed in pixels
+ * @render_width_minus_1: add 1 to it and you'll get the expected render width expressed in
+ * pixels. This is not used during the decoding process but might be used by HW scalers
+ * to prepare a frame that's ready for scanout
+ * @render_height_minus_1: add 1 to it and you'll get the expected render height expressed in
+ * pixels. This is not used during the decoding process but might be used by HW scalers
+ * to prepare a frame that's ready for scanout
+ * @last_frame_ts: "last" reference buffer timestamp.
+ * The timestamp refers to the timestamp field in struct v4l2_buffer.
+ * Use v4l2_timeval_to_ns() to convert the struct timeval to a __u64.
+ * @golden_frame_ts: "golden" reference buffer timestamp.
+ * The timestamp refers to the timestamp field in struct v4l2_buffer.
+ * Use v4l2_timeval_to_ns() to convert the struct timeval to a __u64.
+ * @alt_frame_ts: "alt" reference buffer timestamp.
+ * The timestamp refers to the timestamp field in struct v4l2_buffer.
+ * Use v4l2_timeval_to_ns() to convert the struct timeval to a __u64.
+ * @ref_frame_sign_bias: a bitfield specifying whether the sign bias is set for a given
+ * reference frame. Either of V4L2_VP9_SIGN_BIAS_*.
+ * @reset_frame_context: specifies whether the frame context should be reset to default values.
+ * Either of V4L2_VP9_RESET_FRAME_CTX_*.
+ * @frame_context_idx: frame context that should be used/updated
+ * @profile: VP9 profile. Can be 0, 1, 2 or 3
+ * @bit_depth: bits per components. Can be 8, 10 or 12. Note that not all profiles support
+ * 10 and/or 12 bits depths
+ * @interpolation_filter: specifies the filter selection used for performing inter prediction.
+ * Either of V4L2_VP9_INTERP_FILTER_*
+ * @tile_cols_log2: specifies the base 2 logarithm of the width of each tile (where the width
+ * is measured in units of 8x8 blocks). Shall be less than or equal to 6
+ * @tile_rows_log2: specifies the base 2 logarithm of the height of each tile (where the height
+ * is measured in units of 8x8 blocks)
+ * @reference_mode: specifies the type of inter prediction to be used. See
+ * Either of V4L2_VP9_REFERENCE_MODE_*
+ * @reserved: padding field. Should be zeroed by applications.
+ */
+struct v4l2_ctrl_vp9_frame {
+ struct v4l2_vp9_loop_filter lf;
+ struct v4l2_vp9_quantization quant;
+ struct v4l2_vp9_segmentation seg;
+ __u32 flags;
+ __u16 compressed_header_size;
+ __u16 uncompressed_header_size;
+ __u16 frame_width_minus_1;
+ __u16 frame_height_minus_1;
+ __u16 render_width_minus_1;
+ __u16 render_height_minus_1;
+ __u64 last_frame_ts;
+ __u64 golden_frame_ts;
+ __u64 alt_frame_ts;
+ __u8 ref_frame_sign_bias;
+ __u8 reset_frame_context;
+ __u8 frame_context_idx;
+ __u8 profile;
+ __u8 bit_depth;
+ __u8 interpolation_filter;
+ __u8 tile_cols_log2;
+ __u8 tile_rows_log2;
+ __u8 reference_mode;
+ __u8 reserved[7];
+};
+
+#define V4L2_VP9_NUM_FRAME_CTX 4
+
+/**
+ * struct v4l2_vp9_mv_probs - VP9 Motion vector probability updates
+ * @joint: motion vector joint probability updates
+ * @sign: motion vector sign probability updates
+ * @classes: motion vector class probability updates
+ * @class0_bit: motion vector class0 bit probability updates
+ * @bits: motion vector bits probability updates
+ * @class0_fr: motion vector class0 fractional bit probability updates
+ * @fr: motion vector fractional bit probability updates
+ * @class0_hp: motion vector class0 high precision fractional bit probability updates
+ * @hp: motion vector high precision fractional bit probability updates
+ *
+ * This structure contains new values of motion vector probabilities.
+ * A value of zero in an array element means there is no update of the relevant probability.
+ * See `struct v4l2_vp9_prob_updates` for details.
+ */
+struct v4l2_vp9_mv_probs {
+ __u8 joint[3];
+ __u8 sign[2];
+ __u8 classes[2][10];
+ __u8 class0_bit[2];
+ __u8 bits[2][10];
+ __u8 class0_fr[2][2][3];
+ __u8 fr[2][3];
+ __u8 class0_hp[2];
+ __u8 hp[2];
+};
+
+#define V4L2_CID_STATELESS_VP9_COMPRESSED_HDR (V4L2_CID_CODEC_STATELESS_BASE + 301)
+
+#define V4L2_VP9_TX_MODE_ONLY_4X4 0
+#define V4L2_VP9_TX_MODE_ALLOW_8X8 1
+#define V4L2_VP9_TX_MODE_ALLOW_16X16 2
+#define V4L2_VP9_TX_MODE_ALLOW_32X32 3
+#define V4L2_VP9_TX_MODE_SELECT 4
+
+/**
+ * struct v4l2_ctrl_vp9_compressed_hdr - VP9 probability updates control
+ * @tx_mode: specifies the TX mode. Either of V4L2_VP9_TX_MODE_*.
+ * @tx8: TX 8x8 probability updates
+ * @tx16: TX 16x16 probability updates
+ * @tx32: TX 32x32 probability updates
+ * @coef: coefficient probability updates
+ * @skip: skip probability updates
+ * @inter_mode: inter mode probability updates
+ * @interp_filter: interpolation filter probability updates
+ * @is_inter: is inter-block probability updates
+ * @comp_mode: compound prediction mode probability updates
+ * @single_ref: single ref probability updates
+ * @comp_ref: compound ref probability updates
+ * @y_mode: Y prediction mode probability updates
+ * @uv_mode: UV prediction mode probability updates
+ * @partition: partition probability updates
+ * @mv: motion vector probability updates
+ *
+ * This structure holds the probabilities update as parsed in the compressed
+ * header (Spec 6.3). These values represent the value of probability update after
+ * being translated with inv_map_table[] (see 6.3.5). A value of zero in an array element
+ * means that there is no update of the relevant probability.
+ *
+ * This control is optional and needs to be used when dealing with the hardware which is
+ * not capable of parsing the compressed header itself. Only drivers which need it will
+ * implement it.
+ */
+struct v4l2_ctrl_vp9_compressed_hdr {
+ __u8 tx_mode;
+ __u8 tx8[2][1];
+ __u8 tx16[2][2];
+ __u8 tx32[2][3];
+ __u8 coef[4][2][2][6][6][3];
+ __u8 skip[3];
+ __u8 inter_mode[7][3];
+ __u8 interp_filter[4][2];
+ __u8 is_inter[4];
+ __u8 comp_mode[5];
+ __u8 single_ref[5][2];
+ __u8 comp_ref[5];
+ __u8 y_mode[4][9];
+ __u8 uv_mode[10][9];
+ __u8 partition[16][3];
+
+ struct v4l2_vp9_mv_probs mv;
+};
+
/* MPEG-compression definitions kept for backwards compatibility */
#define V4L2_CTRL_CLASS_MPEG V4L2_CTRL_CLASS_CODEC
#define V4L2_CID_MPEG_CLASS V4L2_CID_CODEC_CLASS
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