diff options
| -rw-r--r-- | include/media/vp8-ctrls.h | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/include/media/vp8-ctrls.h b/include/media/vp8-ctrls.h index 3afaf6ea4bc9..ab46d775788b 100644 --- a/include/media/vp8-ctrls.h +++ b/include/media/vp8-ctrls.h @@ -23,6 +23,20 @@ #define V4L2_VP8_SEGMENT_FLAG_UPDATE_FEATURE_DATA 0x04 #define V4L2_VP8_SEGMENT_FLAG_DELTA_VALUE_MODE 0x08 +/** + * struct v4l2_vp8_segment - VP8 segment-based adjustments parameters + * + * @quant_update: update values for the segment quantizer. + * @lf_update: update values for the loop filter level. + * @segment_probs: branch probabilities of the segment_id decoding tree. + * @padding: padding field. Should be zeroed by applications. + * @flags: see V4L2_VP8_SEGMENT_FLAG_{}. + * + * This structure contains segment-based adjustments related parameters. + * See the 'update_segmentation()' part of the frame header syntax, + * and section '9.3. Segment-Based Adjustments' of the VP8 specification + * for more details. + */ struct v4l2_vp8_segment { __s8 quant_update[4]; __s8 lf_update[4]; @@ -34,6 +48,22 @@ struct v4l2_vp8_segment { #define V4L2_VP8_LF_ADJ_ENABLE 0x01 #define V4L2_VP8_LF_DELTA_UPDATE 0x02 #define V4L2_VP8_LF_FILTER_TYPE_SIMPLE 0x04 + +/** + * struct v4l2_vp8_loop_filter - VP8 loop filter parameters + * + * @ref_frm_delta: Reference frame signed delta values. + * @mb_mode_delta: MB prediction mode signed delta values. + * @sharpness_level: matches sharpness_level syntax element. + * @level: matches loop_filter_level syntax element. + * @padding: padding field. Should be zeroed by applications. + * @flags: see V4L2_VP8_LF_FLAG_{}. + * + * This structure contains loop filter related parameters. + * See the 'mb_lf_adjustments()' part of the frame header syntax, + * and section '9.4. Loop Filter Type and Levels' of the VP8 specification + * for more details. + */ struct v4l2_vp8_loop_filter { __s8 ref_frm_delta[4]; __s8 mb_mode_delta[4]; @@ -43,6 +73,22 @@ struct v4l2_vp8_loop_filter { __u32 flags; }; +/** + * struct v4l2_vp8_quantization - VP8 quantizattion indices + * + * @y_ac_qi: luma AC coefficient table index. + * @y_dc_delta: luma DC delta vaue. + * @y2_dc_delta: y2 block DC delta value. + * @y2_ac_delta: y2 block AC delta value. + * @uv_dc_delta: chroma DC delta value. + * @uv_ac_delta: chroma AC delta value. + * @padding: padding field. Should be zeroed by applications. + + * This structure contains the quantization indices present + * in 'quant_indices()' part of the frame header syntax. + * See section '9.6. Dequantization Indices' of the VP8 specification + * for more details. + */ struct v4l2_vp8_quantization { __u8 y_ac_qi; __s8 y_dc_delta; @@ -55,6 +101,21 @@ struct v4l2_vp8_quantization { #define V4L2_VP8_COEFF_PROB_CNT 11 #define V4L2_VP8_MV_PROB_CNT 19 + +/** + * struct v4l2_vp8_entropy - VP8 update probabilities + * + * @coeff_probs: coefficient probability update values. + * @y_mode_probs: luma intra-prediction probabilities. + * @uv_mode_probs: chroma intra-prediction probabilities. + * @mv_probs: mv decoding probability. + * @padding: padding field. Should be zeroed by applications. + * + * This structure contains the update probabilities present in + * 'token_prob_update()' and 'mv_prob_update()' part of the frame header. + * See section '17.2. Probability Updates' of the VP8 specification + * for more details. + */ struct v4l2_vp8_entropy { __u8 coeff_probs[4][8][3][V4L2_VP8_COEFF_PROB_CNT]; __u8 y_mode_probs[4]; @@ -63,6 +124,17 @@ struct v4l2_vp8_entropy { __u8 padding[3]; }; +/** + * struct v4l2_vp8_entropy_coder_state - VP8 boolean coder state + * + * @range: coder state value for "Range" + * @value: coder state value for "Value" + * @bit_count: number of bits left in range "Value". + * @padding: padding field. Should be zeroed by applications. + * + * This structure contains the state for the boolean coder, as + * explained in section '7. Boolean Entropy Decoder' of the VP8 specification. + */ struct v4l2_vp8_entropy_coder_state { __u8 range; __u8 value; @@ -80,6 +152,33 @@ struct v4l2_vp8_entropy_coder_state { #define VP8_FRAME_IS_KEY_FRAME(hdr) \ (!!((hdr)->flags & V4L2_VP8_FRAME_FLAG_KEY_FRAME)) +/** + * struct v4l2_vp8_frame - VP8 frame parameters + * + * @seg: segmentation parameters. See &v4l2_vp8_segment for more details + * @lf: loop filter parameters. See &v4l2_vp8_loop_filter for more details + * @quant: quantization parameters. See &v4l2_vp8_quantization for more details + * @probs: probabilities. See &v4l2_vp9_probabilities for more details + * @width: frame width. + * @height: frame height. + * @horizontal_scale: horizontal scaling factor. + * @vertical_scale: vertical scaling factor. + * @version: bitstream version. + * @prob_skip_false: frame header syntax element. + * @prob_intra: frame header syntax element. + * @prob_last: frame header syntax element. + * @prob_gf: frame header syntax element. + * @num_dct_parts: number of DCT coefficients partitions. + * @first_part_size: size of the first partition, i.e. the control partition. + * @first_part_header_bits: size in bits of the first partition header portion. + * @dct_part_sizes: DCT coefficients sizes. + * @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. + * @alt_frame_ts: "alt" reference buffer timestamp. + * @flags: see V4L2_VP8_FRAME_FLAG_{}. + */ struct v4l2_ctrl_vp8_frame { struct v4l2_vp8_segment segment; struct v4l2_vp8_loop_filter lf; |