/* * Copyright (c) 2016, Alliance for Open Media. All rights reserved. * * This source code is subject to the terms of the BSD 2 Clause License and * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License * was not distributed with this source code in the LICENSE file, you can * obtain it at www.aomedia.org/license/software. If the Alliance for Open * Media Patent License 1.0 was not distributed with this source code in the * PATENTS file, you can obtain it at www.aomedia.org/license/patent. */ /*! \file * Declares various structs used to encode the current partition block. */ #ifndef AOM_AV1_ENCODER_BLOCK_H_ #define AOM_AV1_ENCODER_BLOCK_H_ #include "av1/common/blockd.h" #include "av1/common/entropymv.h" #include "av1/common/entropy.h" #include "av1/common/enums.h" #include "av1/common/mvref_common.h" #include "av1/encoder/enc_enums.h" #include "av1/encoder/mcomp_structs.h" #if !CONFIG_REALTIME_ONLY #include "av1/encoder/partition_cnn_weights.h" #endif #include "av1/encoder/hash_motion.h" #ifdef __cplusplus extern "C" { #endif //! Minimum linear dimension of a tpl block #define MIN_TPL_BSIZE_1D 16 //! Maximum number of tpl block in a super block #define MAX_TPL_BLK_IN_SB (MAX_SB_SIZE / MIN_TPL_BSIZE_1D) //! Number of txfm hash records kept for the partition block. #define RD_RECORD_BUFFER_LEN 8 /*! Maximum value taken by transform type probabilities */ #define MAX_TX_TYPE_PROB 1024 //! Compute color sensitivity index for given plane #define COLOR_SENS_IDX(plane) ((plane)-1) //! Enable timer statistics of mode search in non-rd #define COLLECT_NONRD_PICK_MODE_STAT 0 /*!\cond */ #if COLLECT_NONRD_PICK_MODE_STAT #include "aom_ports/aom_timer.h" typedef struct _mode_search_stat_nonrd { int32_t num_blocks[BLOCK_SIZES]; int64_t total_block_times[BLOCK_SIZES]; int32_t num_searches[BLOCK_SIZES][MB_MODE_COUNT]; int32_t num_nonskipped_searches[BLOCK_SIZES][MB_MODE_COUNT]; int64_t search_times[BLOCK_SIZES][MB_MODE_COUNT]; int64_t nonskipped_search_times[BLOCK_SIZES][MB_MODE_COUNT]; int64_t ms_time[BLOCK_SIZES][MB_MODE_COUNT]; int64_t ifs_time[BLOCK_SIZES][MB_MODE_COUNT]; int64_t model_rd_time[BLOCK_SIZES][MB_MODE_COUNT]; int64_t txfm_time[BLOCK_SIZES][MB_MODE_COUNT]; struct aom_usec_timer timer1; struct aom_usec_timer timer2; struct aom_usec_timer bsize_timer; } mode_search_stat_nonrd; #endif // COLLECT_NONRD_PICK_MODE_STAT /*!\endcond */ /*! \brief Superblock level encoder info * * SuperblockEnc stores superblock level information used by the encoder for * more efficient encoding. Currently this is mostly used to store TPL data * for the current superblock. */ typedef struct { //! Maximum partition size for the sb. BLOCK_SIZE min_partition_size; //! Minimum partition size for the sb. BLOCK_SIZE max_partition_size; /***************************************************************************** * \name TPL Info * * Information gathered from tpl_model at tpl block precision for the * superblock to speed up the encoding process.. ****************************************************************************/ /**@{*/ //! Number of TPL blocks in this superblock. int tpl_data_count; //! TPL's estimate of inter cost for each tpl block. int64_t tpl_inter_cost[MAX_TPL_BLK_IN_SB * MAX_TPL_BLK_IN_SB]; //! TPL's estimate of tpl cost for each tpl block. int64_t tpl_intra_cost[MAX_TPL_BLK_IN_SB * MAX_TPL_BLK_IN_SB]; //! Motion vectors found by TPL model for each tpl block. int_mv tpl_mv[MAX_TPL_BLK_IN_SB * MAX_TPL_BLK_IN_SB][INTER_REFS_PER_FRAME]; //! TPL's stride for the arrays in this struct. int tpl_stride; /**@}*/ } SuperBlockEnc; /*! \brief Stores the best performing modes. */ typedef struct { //! The mbmi used to reconstruct the winner mode. MB_MODE_INFO mbmi; //! Rdstats of the winner mode. RD_STATS rd_cost; //! Rdcost of the winner mode int64_t rd; //! Luma rate of the winner mode. int rate_y; //! Chroma rate of the winner mode. int rate_uv; //! The color map needed to reconstruct palette mode. uint8_t color_index_map[MAX_SB_SQUARE]; //! The current winner mode. THR_MODES mode_index; } WinnerModeStats; /*! \brief Each source plane of the current macroblock * * This struct also stores the txfm buffers and quantizer settings. */ typedef struct macroblock_plane { //! Stores source - pred so the txfm can be computed later int16_t *src_diff; //! Dequantized coefficients tran_low_t *dqcoeff; //! Quantized coefficients tran_low_t *qcoeff; //! Transformed coefficients tran_low_t *coeff; //! Location of the end of qcoeff (end of block). uint16_t *eobs; //! Contexts used to code the transform coefficients. uint8_t *txb_entropy_ctx; //! A buffer containing the source frame. struct buf_2d src; /*! \name Quantizer Settings * * \attention These are used/accessed only in the quantization process. * RDO does not and *must not* depend on any of these values. * All values below share the coefficient scale/shift used in TX. */ /**@{*/ //! Quantization step size used by AV1_XFORM_QUANT_FP. const int16_t *quant_fp_QTX; //! Offset used for rounding in the quantizer process by AV1_XFORM_QUANT_FP. const int16_t *round_fp_QTX; //! Quantization step size used by AV1_XFORM_QUANT_B. const int16_t *quant_QTX; //! Offset used for rounding in the quantizer process by AV1_XFORM_QUANT_B. const int16_t *round_QTX; //! Scale factor to shift coefficients toward zero. Only used by QUANT_B. const int16_t *quant_shift_QTX; //! Size of the quantization bin around 0. Only Used by QUANT_B const int16_t *zbin_QTX; //! Dequantizer const int16_t *dequant_QTX; /**@}*/ } MACROBLOCK_PLANE; /*! \brief Costs for encoding the coefficients within a level. * * Covers everything including txb_skip, eob, dc_sign, */ typedef struct { //! Cost to skip txfm for the current txfm block. int txb_skip_cost[TXB_SKIP_CONTEXTS][2]; /*! \brief Cost for encoding the base_eob of a level. * * Decoder uses base_eob to derive the base_level as base_eob := base_eob+1. */ int base_eob_cost[SIG_COEF_CONTEXTS_EOB][3]; /*! \brief Cost for encoding the base level of a coefficient. * * Decoder derives coeff_base as coeff_base := base_eob + 1. */ int base_cost[SIG_COEF_CONTEXTS][8]; /*! \brief Cost for encoding the last non-zero coefficient. * * Eob is derived from eob_extra at the decoder as eob := eob_extra + 1 */ int eob_extra_cost[EOB_COEF_CONTEXTS][2]; //! Cost for encoding the dc_sign int dc_sign_cost[DC_SIGN_CONTEXTS][2]; //! Cost for encoding an increment to the coefficient int lps_cost[LEVEL_CONTEXTS][COEFF_BASE_RANGE + 1 + COEFF_BASE_RANGE + 1]; } LV_MAP_COEFF_COST; /*! \brief Costs for encoding the eob. */ typedef struct { //! eob_cost. int eob_cost[2][11]; } LV_MAP_EOB_COST; /*! \brief Stores the transforms coefficients for the whole superblock. */ typedef struct { //! The transformed coefficients. tran_low_t *tcoeff[MAX_MB_PLANE]; //! Where the transformed coefficients end. uint16_t *eobs[MAX_MB_PLANE]; /*! \brief Transform block entropy contexts. * * Each element is used as a bit field. * - Bits 0~3: txb_skip_ctx * - Bits 4~5: dc_sign_ctx. */ uint8_t *entropy_ctx[MAX_MB_PLANE]; } CB_COEFF_BUFFER; /*! \brief Extended mode info derived from mbmi. */ typedef struct { // TODO(angiebird): Reduce the buffer size according to sb_type //! The reference mv list for the current block. CANDIDATE_MV ref_mv_stack[MODE_CTX_REF_FRAMES][USABLE_REF_MV_STACK_SIZE]; //! The weights used to compute the ref mvs. uint16_t weight[MODE_CTX_REF_FRAMES][USABLE_REF_MV_STACK_SIZE]; //! Number of ref mvs in the drl. uint8_t ref_mv_count[MODE_CTX_REF_FRAMES]; //! Global mvs int_mv global_mvs[REF_FRAMES]; //! Context used to encode the current mode. int16_t mode_context[MODE_CTX_REF_FRAMES]; } MB_MODE_INFO_EXT; /*! \brief Stores best extended mode information at frame level. * * The frame level in here is used in bitstream preparation stage. The * information in \ref MB_MODE_INFO_EXT are copied to this struct to save * memory. */ typedef struct { //! \copydoc MB_MODE_INFO_EXT::ref_mv_stack CANDIDATE_MV ref_mv_stack[USABLE_REF_MV_STACK_SIZE]; //! \copydoc MB_MODE_INFO_EXT::weight uint16_t weight[USABLE_REF_MV_STACK_SIZE]; //! \copydoc MB_MODE_INFO_EXT::ref_mv_count uint8_t ref_mv_count; // TODO(Ravi/Remya): Reduce the buffer size of global_mvs //! \copydoc MB_MODE_INFO_EXT::global_mvs int_mv global_mvs[REF_FRAMES]; //! \copydoc MB_MODE_INFO_EXT::mode_context int16_t mode_context; //! Offset of current coding block's coeff buffer relative to the sb. uint16_t cb_offset[PLANE_TYPES]; } MB_MODE_INFO_EXT_FRAME; /*! \brief Inter-mode txfm results for a partition block. */ typedef struct { //! Txfm size used if the current mode is intra mode. TX_SIZE tx_size; //! Txfm sizes used if the current mode is inter mode. TX_SIZE inter_tx_size[INTER_TX_SIZE_BUF_LEN]; //! Map showing which txfm block skips the txfm process. uint8_t blk_skip[MAX_MIB_SIZE * MAX_MIB_SIZE]; //! Map showing the txfm types for each block. uint8_t tx_type_map[MAX_MIB_SIZE * MAX_MIB_SIZE]; //! Rd_stats for the whole partition block. RD_STATS rd_stats; //! Hash value of the current record. uint32_t hash_value; } MB_RD_INFO; /*! \brief Hash records of the inter-mode transform results * * Hash records of the inter-mode transform results for a whole partition block * based on the residue. Since this operates on the partition block level, this * can give us a whole txfm partition tree. */ typedef struct { /*! Circular buffer that stores the inter-mode txfm results of a partition * block. */ MB_RD_INFO mb_rd_info[RD_RECORD_BUFFER_LEN]; //! Index to insert the newest rd record. int index_start; //! Number of info stored in this record. int num; //! Hash function CRC32C crc_calculator; } MB_RD_RECORD; //! Number of compound rd stats #define MAX_COMP_RD_STATS 64 /*! \brief Rdcost stats in compound mode. */ typedef struct { //! Rate of the compound modes. int32_t rate[COMPOUND_TYPES]; //! Distortion of the compound modes. int64_t dist[COMPOUND_TYPES]; //! Estimated rate of the compound modes. int32_t model_rate[COMPOUND_TYPES]; //! Estimated distortion of the compound modes. int64_t model_dist[COMPOUND_TYPES]; //! Rate need to send the mask type. int comp_rs2[COMPOUND_TYPES]; //! Motion vector for each predictor. int_mv mv[2]; //! Ref frame for each predictor. MV_REFERENCE_FRAME ref_frames[2]; //! Current prediction mode. PREDICTION_MODE mode; //! Current interpolation filter. int_interpfilters filter; //! Refmv index in the drl. int ref_mv_idx; //! Whether the predictors are GLOBALMV. int is_global[2]; //! Current parameters for interinter mode. INTERINTER_COMPOUND_DATA interinter_comp; } COMP_RD_STATS; /*! \brief Contains buffers used to speed up rdopt for obmc. * * See the comments for calc_target_weighted_pred for details. */ typedef struct { /*! \brief A new source weighted with the above and left predictors. * * Used to efficiently construct multiple obmc predictors during rdopt. */ int32_t *wsrc; /*! \brief A new mask constructed from the original horz/vert mask. * * \copydetails wsrc */ int32_t *mask; /*! \brief Prediction from the up predictor. * * Used to build the obmc predictor. */ uint8_t *above_pred; /*! \brief Prediction from the up predictor. * * \copydetails above_pred */ uint8_t *left_pred; } OBMCBuffer; /*! \brief Contains color maps used in palette mode. */ typedef struct { //! The best color map found. uint8_t best_palette_color_map[MAX_PALETTE_SQUARE]; //! A temporary buffer used for k-means clustering. int16_t kmeans_data_buf[2 * MAX_PALETTE_SQUARE]; } PALETTE_BUFFER; /*! \brief Contains buffers used by av1_compound_type_rd() * * For sizes and alignment of these arrays, refer to * alloc_compound_type_rd_buffers() function. */ typedef struct { //! First prediction. uint8_t *pred0; //! Second prediction. uint8_t *pred1; //! Source - first prediction. int16_t *residual1; //! Second prediction - first prediction. int16_t *diff10; //! Backup of the best segmentation mask. uint8_t *tmp_best_mask_buf; } CompoundTypeRdBuffers; /*! \brief Holds some parameters related to partitioning schemes in AV1. */ // TODO(chiyotsai@google.com): Consolidate this with SIMPLE_MOTION_DATA_TREE typedef struct { #if !CONFIG_REALTIME_ONLY // The following 4 parameters are used for cnn-based partitioning on intra // frame. /*! \brief Current index on the partition block quad tree. * * Used to index into the cnn buffer for partition decision. */ int quad_tree_idx; //! Whether the CNN buffer contains valid output. int cnn_output_valid; //! A buffer used by our segmentation CNN for intra-frame partitioning. float cnn_buffer[CNN_OUT_BUF_SIZE]; //! log of the quantization parameter of the ancestor BLOCK_64X64. float log_q; #endif /*! \brief Variance of the subblocks in the superblock. * * This is used by rt mode for variance based partitioning. * The indices corresponds to the following block sizes: * - 0 - 128x128 * - 1-2 - 128x64 * - 3-4 - 64x128 * - 5-8 - 64x64 * - 9-16 - 64x32 * - 17-24 - 32x64 * - 25-40 - 32x32 * - 41-104 - 16x16 */ uint8_t variance_low[105]; } PartitionSearchInfo; /*!\cond */ enum { /** * Do not prune transform depths. */ TX_PRUNE_NONE = 0, /** * Prune largest transform (depth 0) based on NN model. */ TX_PRUNE_LARGEST = 1, /** * Prune split transforms (depth>=1) based on NN model. */ TX_PRUNE_SPLIT = 2, } UENUM1BYTE(TX_PRUNE_TYPE); /*!\endcond */ /*! \brief Defines the parameters used to perform txfm search. * * For the most part, this determines how various speed features are used. */ typedef struct { /*! \brief Whether to limit the intra txfm search type to the default txfm. * * This could either be a result of either sequence parameter or speed * features. */ int use_default_intra_tx_type; /*! Probability threshold used for conditionally forcing tx type*/ int default_inter_tx_type_prob_thresh; //! Whether to prune 2d transforms based on 1d transform results. int prune_2d_txfm_mode; /*! \brief Variable from \ref WinnerModeParams based on current eval mode. * * See the documentation for \ref WinnerModeParams for more detail. */ unsigned int coeff_opt_thresholds[2]; /*! \copydoc coeff_opt_thresholds */ unsigned int tx_domain_dist_threshold; /*! \copydoc coeff_opt_thresholds */ TX_SIZE_SEARCH_METHOD tx_size_search_method; /*! \copydoc coeff_opt_thresholds */ unsigned int use_transform_domain_distortion; /*! \copydoc coeff_opt_thresholds */ unsigned int skip_txfm_level; /*! \brief How to search for the optimal tx_size * * If ONLY_4X4, use TX_4X4; if TX_MODE_LARGEST, use the largest tx_size for * the current partition block; if TX_MODE_SELECT, search through the whole * tree. * * \attention * Although this looks suspicious similar to a bitstream element, this * tx_mode_search_type is only used internally by the encoder, and is *not* * written to the bitstream. It determines what kind of tx_mode would be * searched. For example, we might set it to TX_MODE_LARGEST to find a good * candidate, then code it as TX_MODE_SELECT. */ TX_MODE tx_mode_search_type; /*! * Determines whether a block can be predicted as transform skip or DC only * based on residual mean and variance. * Type 0 : No skip block or DC only block prediction * Type 1 : Prediction of skip block based on residual mean and variance * Type 2 : Prediction of skip block or DC only block based on residual mean * and variance */ unsigned int predict_dc_level; /*! * Whether or not we should use the quantization matrix as weights for PSNR * during RD search. */ int use_qm_dist_metric; /*! * Keep track of previous mode evaluation stage type. This will be used to * reset mb rd hash record when mode evaluation type changes. */ int mode_eval_type; #if !CONFIG_REALTIME_ONLY //! Indicates the transform depths for which RD evaluation is skipped. TX_PRUNE_TYPE nn_prune_depths_for_intra_tx; /*! \brief Indicates if NN model should be invoked to prune transform depths. * * Used to signal whether NN model should be evaluated to prune the R-D * evaluation of specific transform depths. */ bool enable_nn_prune_intra_tx_depths; #endif } TxfmSearchParams; /*!\cond */ #define MAX_NUM_8X8_TXBS ((MAX_MIB_SIZE >> 1) * (MAX_MIB_SIZE >> 1)) #define MAX_NUM_16X16_TXBS ((MAX_MIB_SIZE >> 2) * (MAX_MIB_SIZE >> 2)) #define MAX_NUM_32X32_TXBS ((MAX_MIB_SIZE >> 3) * (MAX_MIB_SIZE >> 3)) #define MAX_NUM_64X64_TXBS ((MAX_MIB_SIZE >> 4) * (MAX_MIB_SIZE >> 4)) /*!\endcond */ /*! \brief Stores various encoding/search decisions related to txfm search. * * This struct contains a cache of previous txfm results, and some buffers for * the current txfm decision. */ typedef struct { //! Whether to skip transform and quantization on a partition block level. uint8_t skip_txfm; /*! \brief Whether to skip transform and quantization on a txfm block level. * * Skips transform and quantization on a transform block level inside the * current partition block. Each element of this array is used as a bit-field. * So for example, the we are skipping on the luma plane, then the last bit * would be set to 1. */ uint8_t blk_skip[MAX_MIB_SIZE * MAX_MIB_SIZE]; /*! \brief Transform types inside the partition block * * Keeps a record of what kind of transform to use for each of the transform * block inside the partition block. * \attention The buffer here is *never* directly used. Instead, this just * allocates the memory for MACROBLOCKD::tx_type_map during rdopt on the * partition block. So if we need to save memory, we could move the allocation * to pick_sb_mode instead. */ uint8_t tx_type_map_[MAX_MIB_SIZE * MAX_MIB_SIZE]; //! Txfm hash records of inter-modes. MB_RD_RECORD *mb_rd_record; /*! \brief Number of txb splits. * * Keep track of how many times we've used split tx partition for transform * blocks. Somewhat misleadingly, this parameter doesn't actually keep track * of the count of the current block. Instead, it's a cumulative count across * of the whole frame. The main usage is that if txb_split_count is zero, then * we can signal TX_MODE_LARGEST at frame level. */ // TODO(chiyotsai@google.com): Move this to a more appropriate location such // as ThreadData. unsigned int txb_split_count; #if CONFIG_SPEED_STATS //! For debugging. Used to check how many txfm searches we are doing. unsigned int tx_search_count; #endif // CONFIG_SPEED_STATS } TxfmSearchInfo; #undef MAX_NUM_8X8_TXBS #undef MAX_NUM_16X16_TXBS #undef MAX_NUM_32X32_TXBS #undef MAX_NUM_64X64_TXBS /*! \brief Holds the entropy costs for various modes sent to the bitstream. * * \attention This does not include the costs for mv and transformed * coefficients. */ typedef struct { /***************************************************************************** * \name Partition Costs ****************************************************************************/ /**@{*/ //! Cost for coding the partition. int partition_cost[PARTITION_CONTEXTS][EXT_PARTITION_TYPES]; /**@}*/ /***************************************************************************** * \name Intra Costs: General ****************************************************************************/ /**@{*/ //! Luma mode cost for inter frame. int mbmode_cost[BLOCK_SIZE_GROUPS][INTRA_MODES]; //! Luma mode cost for intra frame. int y_mode_costs[INTRA_MODES][INTRA_MODES][INTRA_MODES]; //! Chroma mode cost int intra_uv_mode_cost[CFL_ALLOWED_TYPES][INTRA_MODES][UV_INTRA_MODES]; //! filter_intra_cost int filter_intra_cost[BLOCK_SIZES_ALL][2]; //! filter_intra_mode_cost int filter_intra_mode_cost[FILTER_INTRA_MODES]; //! angle_delta_cost int angle_delta_cost[DIRECTIONAL_MODES][2 * MAX_ANGLE_DELTA + 1]; //! Rate rate associated with each alpha codeword int cfl_cost[CFL_JOINT_SIGNS][CFL_PRED_PLANES][CFL_ALPHABET_SIZE]; /**@}*/ /***************************************************************************** * \name Intra Costs: Screen Contents ****************************************************************************/ /**@{*/ //! intrabc_cost int intrabc_cost[2]; //! palette_y_size_cost int palette_y_size_cost[PALATTE_BSIZE_CTXS][PALETTE_SIZES]; //! palette_uv_size_cost int palette_uv_size_cost[PALATTE_BSIZE_CTXS][PALETTE_SIZES]; //! palette_y_color_cost int palette_y_color_cost[PALETTE_SIZES][PALETTE_COLOR_INDEX_CONTEXTS] [PALETTE_COLORS]; //! palette_uv_color_cost int palette_uv_color_cost[PALETTE_SIZES][PALETTE_COLOR_INDEX_CONTEXTS] [PALETTE_COLORS]; //! palette_y_mode_cost int palette_y_mode_cost[PALATTE_BSIZE_CTXS][PALETTE_Y_MODE_CONTEXTS][2]; //! palette_uv_mode_cost int palette_uv_mode_cost[PALETTE_UV_MODE_CONTEXTS][2]; /**@}*/ /***************************************************************************** * \name Inter Costs: MV Modes ****************************************************************************/ /**@{*/ //! skip_mode_cost int skip_mode_cost[SKIP_MODE_CONTEXTS][2]; //! newmv_mode_cost int newmv_mode_cost[NEWMV_MODE_CONTEXTS][2]; //! zeromv_mode_cost int zeromv_mode_cost[GLOBALMV_MODE_CONTEXTS][2]; //! refmv_mode_cost int refmv_mode_cost[REFMV_MODE_CONTEXTS][2]; //! drl_mode_cost0 int drl_mode_cost0[DRL_MODE_CONTEXTS][2]; /**@}*/ /***************************************************************************** * \name Inter Costs: Ref Frame Types ****************************************************************************/ /**@{*/ //! single_ref_cost int single_ref_cost[REF_CONTEXTS][SINGLE_REFS - 1][2]; //! comp_inter_cost int comp_inter_cost[COMP_INTER_CONTEXTS][2]; //! comp_ref_type_cost int comp_ref_type_cost[COMP_REF_TYPE_CONTEXTS] [CDF_SIZE(COMP_REFERENCE_TYPES)]; //! uni_comp_ref_cost int uni_comp_ref_cost[UNI_COMP_REF_CONTEXTS][UNIDIR_COMP_REFS - 1] [CDF_SIZE(2)]; /*! \brief Cost for signaling ref_frame[0] in bidir-comp mode * * Includes LAST_FRAME, LAST2_FRAME, LAST3_FRAME, and GOLDEN_FRAME. */ int comp_ref_cost[REF_CONTEXTS][FWD_REFS - 1][2]; /*! \brief Cost for signaling ref_frame[1] in bidir-comp mode * * Includes ALTREF_FRAME, ALTREF2_FRAME, and BWDREF_FRAME. */ int comp_bwdref_cost[REF_CONTEXTS][BWD_REFS - 1][2]; /**@}*/ /***************************************************************************** * \name Inter Costs: Compound Types ****************************************************************************/ /**@{*/ //! intra_inter_cost int intra_inter_cost[INTRA_INTER_CONTEXTS][2]; //! inter_compound_mode_cost int inter_compound_mode_cost[INTER_MODE_CONTEXTS][INTER_COMPOUND_MODES]; //! compound_type_cost int compound_type_cost[BLOCK_SIZES_ALL][MASKED_COMPOUND_TYPES]; //! wedge_idx_cost int wedge_idx_cost[BLOCK_SIZES_ALL][16]; //! interintra_cost int interintra_cost[BLOCK_SIZE_GROUPS][2]; //! wedge_interintra_cost int wedge_interintra_cost[BLOCK_SIZES_ALL][2]; //! interintra_mode_cost int interintra_mode_cost[BLOCK_SIZE_GROUPS][INTERINTRA_MODES]; /**@}*/ /***************************************************************************** * \name Inter Costs: Compound Masks ****************************************************************************/ /**@{*/ //! comp_idx_cost int comp_idx_cost[COMP_INDEX_CONTEXTS][2]; //! comp_group_idx_cost int comp_group_idx_cost[COMP_GROUP_IDX_CONTEXTS][2]; /**@}*/ /***************************************************************************** * \name Inter Costs: Motion Modes/Filters ****************************************************************************/ /**@{*/ //! motion_mode_cost int motion_mode_cost[BLOCK_SIZES_ALL][MOTION_MODES]; //! motion_mode_cost1 int motion_mode_cost1[BLOCK_SIZES_ALL][2]; //! switchable_interp_costs int switchable_interp_costs[SWITCHABLE_FILTER_CONTEXTS][SWITCHABLE_FILTERS]; /**@}*/ /***************************************************************************** * \name Txfm Mode Costs ****************************************************************************/ /**@{*/ //! skip_txfm_cost int skip_txfm_cost[SKIP_CONTEXTS][2]; //! tx_size_cost int tx_size_cost[TX_SIZES - 1][TX_SIZE_CONTEXTS][TX_SIZES]; //! txfm_partition_cost int txfm_partition_cost[TXFM_PARTITION_CONTEXTS][2]; //! inter_tx_type_costs int inter_tx_type_costs[EXT_TX_SETS_INTER][EXT_TX_SIZES][TX_TYPES]; //! intra_tx_type_costs int intra_tx_type_costs[EXT_TX_SETS_INTRA][EXT_TX_SIZES][INTRA_MODES] [TX_TYPES]; /**@}*/ /***************************************************************************** * \name Restoration Mode Costs ****************************************************************************/ /**@{*/ //! switchable_restore_cost int switchable_restore_cost[RESTORE_SWITCHABLE_TYPES]; //! wiener_restore_cost int wiener_restore_cost[2]; //! sgrproj_restore_cost int sgrproj_restore_cost[2]; /**@}*/ /***************************************************************************** * \name Segmentation Mode Costs ****************************************************************************/ /**@{*/ //! tmp_pred_cost int tmp_pred_cost[SEG_TEMPORAL_PRED_CTXS][2]; //! spatial_pred_cost int spatial_pred_cost[SPATIAL_PREDICTION_PROBS][MAX_SEGMENTS]; /**@}*/ } ModeCosts; /*! \brief Holds mv costs for encoding and motion search. */ typedef struct { /***************************************************************************** * \name Encoding Costs * Here are the entropy costs needed to encode a given mv. * \ref nmv_cost_alloc and \ref nmv_cost_hp_alloc are two arrays that holds * the memory for holding the mv cost. But since the motion vectors can be * negative, we shift them to the middle and store the resulting pointer in * \ref nmv_cost and \ref nmv_cost_hp for easier referencing. Finally, \ref * mv_cost_stack points to the \ref nmv_cost with the mv precision we are * currently working with. In essence, only \ref mv_cost_stack is needed for * motion search, the other can be considered private. ****************************************************************************/ /**@{*/ //! Costs for coding the zero components. int nmv_joint_cost[MV_JOINTS]; //! Allocates memory for 1/4-pel motion vector costs. int nmv_cost_alloc[2][MV_VALS]; //! Allocates memory for 1/8-pel motion vector costs. int nmv_cost_hp_alloc[2][MV_VALS]; //! Points to the middle of \ref nmv_cost_alloc int *nmv_cost[2]; //! Points to the middle of \ref nmv_cost_hp_alloc int *nmv_cost_hp[2]; //! Points to the nmv_cost_hp in use. int **mv_cost_stack; /**@}*/ } MvCosts; /*! \brief Holds mv costs for intrabc. */ typedef struct { /*! Costs for coding the joint mv. */ int joint_mv[MV_JOINTS]; /*! \brief Cost of transmitting the actual motion vector. * dv_costs_alloc[0][i] is the cost of motion vector with horizontal * component (mv_row) equal to i - MV_MAX. dv_costs_alloc[1][i] is the cost of * motion vector with vertical component (mv_col) equal to i - MV_MAX. */ int dv_costs_alloc[2][MV_VALS]; /*! Points to the middle of \ref dv_costs_alloc. */ int *dv_costs[2]; } IntraBCMVCosts; /*! \brief Holds the costs needed to encode the coefficients */ typedef struct { //! Costs for coding the coefficients. LV_MAP_COEFF_COST coeff_costs[TX_SIZES][PLANE_TYPES]; //! Costs for coding the eobs. LV_MAP_EOB_COST eob_costs[7][2]; } CoeffCosts; /*!\cond */ // 4: NEAREST, NEW, NEAR, GLOBAL #define SINGLE_REF_MODES ((REF_FRAMES - 1) * 4) /*!\endcond */ struct inter_modes_info; /*! \brief Holds the motion samples for warp motion model estimation */ typedef struct { //! Number of samples. int num; //! Sample locations in current frame. int pts[16]; //! Sample location in the reference frame. int pts_inref[16]; } WARP_SAMPLE_INFO; /*!\cond */ typedef enum { kZeroSad = 0, kVeryLowSad = 1, kLowSad = 2, kMedSad = 3, kHighSad = 4 } SOURCE_SAD; typedef struct { //! SAD levels in non-rd path SOURCE_SAD source_sad_nonrd; //! SAD levels in rd-path for var-based part qindex thresholds SOURCE_SAD source_sad_rd; int lighting_change; int low_sumdiff; } CONTENT_STATE_SB; // Structure to hold pixel level gradient info. typedef struct { uint16_t abs_dx_abs_dy_sum; int8_t hist_bin_idx; bool is_dx_zero; } PixelLevelGradientInfo; // Structure to hold the variance and log(1 + variance) for 4x4 sub-blocks. typedef struct { double log_var; int var; } Block4x4VarInfo; #ifndef NDEBUG typedef struct SetOffsetsLoc { int mi_row; int mi_col; BLOCK_SIZE bsize; } SetOffsetsLoc; #endif // NDEBUG /*!\endcond */ /*! \brief Encoder's parameters related to the current coding block. * * This struct contains most of the information the encoder needs to encode the * current coding block. This includes the src and pred buffer, a copy of the * decoder's view of the current block, the txfm coefficients. This struct also * contains various buffers and data used to speed up the encoding process. */ typedef struct macroblock { /***************************************************************************** * \name Source, Buffers and Decoder ****************************************************************************/ /**@{*/ /*! \brief Each of the encoding plane. * * An array holding the src buffer for each of plane of the current block. It * also contains the txfm and quantized txfm coefficients. */ struct macroblock_plane plane[MAX_MB_PLANE]; /*! \brief Decoder's view of current coding block. * * Contains the encoder's copy of what the decoder sees in the current block. * Most importantly, this struct contains pointers to mbmi that is used in * final bitstream packing. */ MACROBLOCKD e_mbd; /*! \brief Derived coding information. * * Contains extra information not transmitted in the bitstream but are * derived. For example, this contains the stack of ref_mvs. */ MB_MODE_INFO_EXT mbmi_ext; /*! \brief Finalized mbmi_ext for the whole frame. * * Contains the finalized info in mbmi_ext that gets used at the frame level * for bitstream packing. */ MB_MODE_INFO_EXT_FRAME *mbmi_ext_frame; //! Entropy context for the current row. FRAME_CONTEXT *row_ctx; /*! \brief Entropy context for the current tile. * * This context will be used to update color_map_cdf pointer which would be * used during pack bitstream. For single thread and tile-multithreading case * this pointer will be same as xd->tile_ctx, but for the case of row-mt: * xd->tile_ctx will point to a temporary context while tile_pb_ctx will point * to the accurate tile context. */ FRAME_CONTEXT *tile_pb_ctx; /*! \brief Buffer of transformed coefficients * * Points to cb_coef_buff in the AV1_COMP struct, which contains the finalized * coefficients. This is here to conveniently copy the best coefficients to * frame level for bitstream packing. Since CB_COEFF_BUFFER is allocated on a * superblock level, we need to combine it with cb_offset to get the proper * position for the current coding block. */ CB_COEFF_BUFFER *cb_coef_buff; //! Offset of current coding block's coeff buffer relative to the sb. uint16_t cb_offset[PLANE_TYPES]; //! Modified source and masks used for fast OBMC search. OBMCBuffer obmc_buffer; //! Buffer to store the best palette map. PALETTE_BUFFER *palette_buffer; //! Buffer used for compound_type_rd(). CompoundTypeRdBuffers comp_rd_buffer; //! Buffer to store convolution during averaging process in compound mode. CONV_BUF_TYPE *tmp_conv_dst; /*! \brief Temporary buffer to hold prediction. * * Points to a buffer that is used to hold temporary prediction results. This * is used in two ways: * - This is a temporary buffer used to ping-pong the prediction in * handle_inter_mode. * - xd->tmp_obmc_bufs also points to this buffer, and is used in ombc * prediction. */ uint8_t *tmp_pred_bufs[2]; /**@}*/ /***************************************************************************** * \name Rdopt Costs ****************************************************************************/ /**@{*/ /*! \brief Quantization index for the current partition block. * * This is used to as the index to find quantization parameter for luma and * chroma transformed coefficients. */ int qindex; /*! \brief Difference between frame-level qindex and current qindex. * * This is used to track whether a non-zero delta for qindex is used at least * once in the current frame. */ int delta_qindex; /*! \brief Difference between frame-level qindex and qindex used to * compute rdmult (lambda). * * rdmult_delta_qindex is assigned the same as delta_qindex before qp sweep. * During qp sweep, delta_qindex is changed and used to calculate the actual * quant params, while rdmult_delta_qindex remains the same, and is used to * calculate the rdmult in "set_deltaq_rdmult". */ int rdmult_delta_qindex; /*! \brief Current qindex (before being adjusted by delta_q_res) used to * derive rdmult_delta_qindex. */ int rdmult_cur_qindex; /*! \brief Rate-distortion multiplier. * * The rd multiplier used to determine the rate-distortion trade-off. This is * roughly proportional to the inverse of q-index for a given frame, but this * can be manipulated for better rate-control. For example, in tune_ssim * mode, this is scaled by a factor related to the variance of the current * block. */ int rdmult; //! Intra only, per sb rd adjustment. int intra_sb_rdmult_modifier; //! Superblock level distortion propagation factor. double rb; //! Energy in the current source coding block. Used to calculate \ref rdmult int mb_energy; //! Energy in the current source superblock. Used to calculate \ref rdmult int sb_energy_level; //! The rate needed to signal a mode to the bitstream. ModeCosts mode_costs; //! The rate needed to encode a new motion vector to the bitstream and some //! multipliers for motion search. MvCosts *mv_costs; /*! The rate needed to encode a new motion vector to the bitstream in intrabc * mode. */ IntraBCMVCosts *dv_costs; //! The rate needed to signal the txfm coefficients to the bitstream. CoeffCosts coeff_costs; /**@}*/ /***************************************************************************** * \name Rate to Distortion Multipliers ****************************************************************************/ /**@{*/ //! A multiplier that converts mv cost to l2 error. int errorperbit; //! A multiplier that converts mv cost to l1 error. int sadperbit; /**@}*/ /****************************************************************************** * \name Segmentation *****************************************************************************/ /**@{*/ /*! \brief Skip mode for the segment * * A syntax element of the segmentation mode. In skip_block mode, all mvs are * set 0 and all txfms are skipped. */ int seg_skip_block; /*! \brief Number of segment 1 blocks * Actual number of (4x4) blocks that were applied delta-q, * for segment 1. */ int actual_num_seg1_blocks; /*!\brief Number of segment 2 blocks * Actual number of (4x4) blocks that were applied delta-q, * for segment 2. */ int actual_num_seg2_blocks; /*!\brief Number of zero motion vectors */ int cnt_zeromv; /*!\brief Flag to force zeromv-skip at superblock level, for nonrd path. * * 0/1 imply zeromv-skip is disabled/enabled. 2 implies that the blocks * in the superblock may be marked as zeromv-skip at block level. */ int force_zeromv_skip_for_sb; /*!\brief Flag to force zeromv-skip at block level, for nonrd path. */ int force_zeromv_skip_for_blk; /*! \brief Previous segment id for which qmatrices were updated. * This is used to bypass setting of qmatrices if no change in qindex. */ int prev_segment_id; /**@}*/ /***************************************************************************** * \name Superblock ****************************************************************************/ /**@{*/ //! Information on a whole superblock level. // TODO(chiyotsai@google.com): Refactor this out of macroblock SuperBlockEnc sb_enc; /*! \brief Characteristics of the current superblock. * * Characteristics like whether the block has high sad, low sad, etc. This is * only used by av1 realtime mode. */ CONTENT_STATE_SB content_state_sb; /**@}*/ /***************************************************************************** * \name Reference Frame Search ****************************************************************************/ /**@{*/ /*! \brief Sum absolute distortion of the predicted mv for each ref frame. * * This is used to measure how viable a reference frame is. */ int pred_mv_sad[REF_FRAMES]; /*! \brief The minimum of \ref pred_mv_sad. * * Index 0 stores the minimum \ref pred_mv_sad across past reference frames. * Index 1 stores the minimum \ref pred_mv_sad across future reference frames. */ int best_pred_mv_sad[2]; //! The sad of the 1st mv ref (nearest). int pred_mv0_sad[REF_FRAMES]; //! The sad of the 2nd mv ref (near). int pred_mv1_sad[REF_FRAMES]; /*! \brief Disables certain ref frame pruning based on tpl. * * Determines whether a given ref frame is "good" based on data from the TPL * model. If so, this stops selective_ref frame from pruning the given ref * frame at block level. */ uint8_t tpl_keep_ref_frame[REF_FRAMES]; /*! \brief Warp motion samples buffer. * * Store the motion samples used for warp motion. */ WARP_SAMPLE_INFO warp_sample_info[REF_FRAMES]; /*! \brief Reference frames picked by the square subblocks in a superblock. * * Keeps track of ref frames that are selected by square partition blocks * within a superblock, in MI resolution. They can be used to prune ref frames * for rectangular blocks. */ int picked_ref_frames_mask[MAX_MIB_SIZE * MAX_MIB_SIZE]; /*! \brief Prune ref frames in real-time mode. * * Determines whether to prune reference frames in real-time mode. For the * most part, this is the same as nonrd_prune_ref_frame_search in * cpi->sf.rt_sf.nonrd_prune_ref_frame_search, but this can be selectively * turned off if the only frame available is GOLDEN_FRAME. */ int nonrd_prune_ref_frame_search; /**@}*/ /***************************************************************************** * \name Partition Search ****************************************************************************/ /**@{*/ //! Stores some partition-search related buffers. PartitionSearchInfo part_search_info; /*! \brief Whether to disable some features to force a mode in current block. * * In some cases, our speed features can be overly aggressive and remove all * modes search in the superblock. When this happens, we set * must_find_valid_partition to 1 to reduce the number of speed features, and * recode the superblock again. */ int must_find_valid_partition; /**@}*/ /***************************************************************************** * \name Prediction Mode Search ****************************************************************************/ /**@{*/ /*! \brief Inter skip mode. * * Skip mode tries to use the closest forward and backward references for * inter prediction. Skip here means to skip transmitting the reference * frames, not to be confused with skip_txfm. */ int skip_mode; /*! \brief Factors used for rd-thresholding. * * Determines a rd threshold to determine whether to continue searching the * current mode. If the current best rd is already <= threshold, then we skip * the current mode. */ int thresh_freq_fact[BLOCK_SIZES_ALL][MAX_MODES]; /*! \brief Tracks the winner modes in the current coding block. * * Winner mode is a two-pass strategy to find the best prediction mode. In the * first pass, we search the prediction modes with a limited set of txfm * options, and keep the top modes. These modes are called the winner modes. * In the second pass, we retry the winner modes with more thorough txfm * options. */ WinnerModeStats *winner_mode_stats; //! Tracks how many winner modes there are. int winner_mode_count; /*! \brief The model used for rd-estimation to avoid txfm * * These are for inter_mode_rd_model_estimation, which is another two pass * approach. In this speed feature, we collect data in the first couple frames * to build an rd model to estimate the rdcost of a prediction model based on * the residue error. Once enough data is collected, this speed feature uses * the estimated rdcost to find the most performant prediction mode. Then we * follow up with a second pass find the best transform for the mode. * Determines if one would go with reduced complexity transform block * search model to select prediction modes, or full complexity model * to select transform kernel. */ TXFM_RD_MODEL rd_model; /*! \brief Stores the inter mode information needed to build an rd model. * * These are for inter_mode_rd_model_estimation, which is another two pass * approach. In this speed feature, we collect data in the first couple frames * to build an rd model to estimate the rdcost of a prediction model based on * the residue error. Once enough data is collected, this speed feature uses * the estimated rdcost to find the most performant prediction mode. Then we * follow up with a second pass find the best transform for the mode. */ // TODO(any): try to consolidate this speed feature with winner mode // processing. struct inter_modes_info *inter_modes_info; //! How to blend the compound predictions. uint8_t compound_idx; //! A caches of results of compound type search so they can be reused later. COMP_RD_STATS comp_rd_stats[MAX_COMP_RD_STATS]; //! The idx for the latest compound mode in the cache \ref comp_rd_stats. int comp_rd_stats_idx; /*! \brief Whether to recompute the luma prediction. * * In interpolation search, we can usually skip recalculating the luma * prediction because it is already calculated by a previous predictor. This * flag signifies that some modes might have been skipped, so we need to * rebuild the prediction. */ int recalc_luma_mc_data; /*! \brief Data structure to speed up intrabc search. * * Contains the hash table, hash function, and buffer used for intrabc. */ IntraBCHashInfo intrabc_hash_info; /*! \brief Whether to reuse the mode stored in mb_mode_cache. */ int use_mb_mode_cache; /*! \brief The mode to reuse during \ref av1_rd_pick_intra_mode_sb and * \ref av1_rd_pick_inter_mode. */ const MB_MODE_INFO *mb_mode_cache; /*! \brief Pointer to the buffer which caches gradient information. * * Pointer to the array of structures to store gradient information of each * pixel in a superblock. The buffer constitutes of MAX_SB_SQUARE pixel level * structures for each of the plane types (PLANE_TYPE_Y and PLANE_TYPE_UV). */ PixelLevelGradientInfo *pixel_gradient_info; /*! \brief Flags indicating the availability of cached gradient info. */ bool is_sb_gradient_cached[PLANE_TYPES]; /*! \brief Flag to reuse predicted samples of inter block. */ bool reuse_inter_pred; /**@}*/ /***************************************************************************** * \name MV Search ****************************************************************************/ /**@{*/ /*! \brief Context used to determine the initial step size in motion search. * * This context is defined as the \f$l_\inf\f$ norm of the best ref_mvs for * each frame. */ unsigned int max_mv_context[REF_FRAMES]; /*! \brief Limit for the range of motion vectors. * * These define limits to motion vector components to prevent them from * extending outside the UMV borders */ FullMvLimits mv_limits; /*! \brief Buffer for storing the search site config. * * When resize mode or super resolution mode is on, the stride of the * reference frame does not always match what's specified in \ref * MotionVectorSearchParams::search_site_cfg. When his happens, we update the * search_sine_config buffer here and use it for motion search. */ search_site_config search_site_cfg_buf[NUM_DISTINCT_SEARCH_METHODS]; /**@}*/ /***************************************************************************** * \name Txfm Search ****************************************************************************/ /**@{*/ /*! \brief Parameters that control how motion search is done. * * Stores various txfm search related parameters such as txfm_type, txfm_size, * trellis eob search, etc. */ TxfmSearchParams txfm_search_params; /*! \brief Results of the txfm searches that have been done. * * Caches old txfm search results and keeps the current txfm decisions to * facilitate rdopt. */ TxfmSearchInfo txfm_search_info; /*! \brief Whether there is a strong color activity. * * Used in REALTIME coding mode to enhance the visual quality at the boundary * of moving color objects. */ uint8_t color_sensitivity_sb[MAX_MB_PLANE - 1]; //! Color sensitivity flag for the superblock for golden reference. uint8_t color_sensitivity_sb_g[MAX_MB_PLANE - 1]; //! Color sensitivity flag for the superblock for altref reference. uint8_t color_sensitivity_sb_alt[MAX_MB_PLANE - 1]; //! Color sensitivity flag for the coding block. uint8_t color_sensitivity[MAX_MB_PLANE - 1]; //! Coding block distortion value for uv/color, minimum over the inter modes. int64_t min_dist_inter_uv; //! Threshold on the number of colors for testing palette mode. int color_palette_thresh; //! The buffer used by search_tx_type() to swap dqcoeff in macroblockd_plane // so we can keep dqcoeff of the best tx_type. tran_low_t *dqcoeff_buf; /**@}*/ /***************************************************************************** * \name Misc ****************************************************************************/ /**@{*/ //! Variance of the source frame. unsigned int source_variance; //! Flag to indicate coding block is zero sad. int block_is_zero_sad; //! Flag to indicate superblock ME in variance partition is determined to be // good/reliable, and so the superblock MV will be tested in the // nonrd_pickmode. This is only used for LAST_FRAME. int sb_me_partition; //! Flag to indicate to test the superblock MV for the coding block in the // nonrd_pickmode. int sb_me_block; //! Motion vector from superblock MV derived from int_pro_motion() in // the variance_partitioning. int_mv sb_me_mv; //! Flag to indicate if a fixed partition should be used, only if the // speed feature rt_sf->use_fast_fixed_part is enabled. int sb_force_fixed_part; //! SSE of the current predictor. unsigned int pred_sse[REF_FRAMES]; //! Prediction for ML based partition. #if CONFIG_RT_ML_PARTITIONING DECLARE_ALIGNED(16, uint8_t, est_pred[128 * 128]); #endif /**@}*/ /*! \brief NONE partition evaluated for merge. * * In variance based partitioning scheme, NONE & SPLIT partitions are * evaluated to check the SPLIT can be merged as NONE. This flag signifies the * partition is evaluated in the scheme. */ int try_merge_partition; /*! \brief Pointer to buffer which caches sub-block variances in a superblock. * * Pointer to the array of structures to store source variance information of * each 4x4 sub-block in a superblock. Block4x4VarInfo structure is used to * store source variance and log of source variance of each 4x4 sub-block. */ Block4x4VarInfo *src_var_info_of_4x4_sub_blocks; #ifndef NDEBUG /*! \brief A hash to make sure av1_set_offsets is called */ SetOffsetsLoc last_set_offsets_loc; #endif // NDEBUG #if COLLECT_NONRD_PICK_MODE_STAT mode_search_stat_nonrd ms_stat_nonrd; #endif // COLLECT_NONRD_PICK_MODE_STAT /*!\brief Number of pixels in current thread that choose palette mode in the * fast encoding stage for screen content tool detemination. */ int palette_pixels; /*!\brief Pointer to the structure which stores the statistics used by * sb-level multi-pass encoding. */ struct SB_FIRST_PASS_STATS *sb_stats_cache; /*!\brief Pointer to the structure which stores the statistics used by * first-pass when superblock is searched twice consecutively. */ struct SB_FIRST_PASS_STATS *sb_fp_stats; #if CONFIG_PARTITION_SEARCH_ORDER /*!\brief Pointer to RD_STATS structure to be used in * av1_rd_partition_search(). */ RD_STATS *rdcost; #endif // CONFIG_PARTITION_SEARCH_ORDER } MACROBLOCK; #undef SINGLE_REF_MODES /*!\cond */ // Zeroes out 'n_stats' elements in the array x->winner_mode_stats. // It only zeroes out what is necessary in 'color_index_map' (just the block // size, not the whole array). static inline void zero_winner_mode_stats(BLOCK_SIZE bsize, int n_stats, WinnerModeStats *stats) { // When winner mode stats are not required, the memory allocation is avoided // for x->winner_mode_stats. The stats pointer will be NULL in such cases. if (stats == NULL) return; const int block_height = block_size_high[bsize]; const int block_width = block_size_wide[bsize]; for (int i = 0; i < n_stats; ++i) { WinnerModeStats *const stat = &stats[i]; memset(&stat->mbmi, 0, sizeof(stat->mbmi)); memset(&stat->rd_cost, 0, sizeof(stat->rd_cost)); memset(&stat->rd, 0, sizeof(stat->rd)); memset(&stat->rate_y, 0, sizeof(stat->rate_y)); memset(&stat->rate_uv, 0, sizeof(stat->rate_uv)); // Do not reset the whole array as it is CPU intensive. memset(&stat->color_index_map, 0, block_width * block_height * sizeof(stat->color_index_map[0])); memset(&stat->mode_index, 0, sizeof(stat->mode_index)); } } static inline int is_rect_tx_allowed_bsize(BLOCK_SIZE bsize) { static const char LUT[BLOCK_SIZES_ALL] = { 0, // BLOCK_4X4 1, // BLOCK_4X8 1, // BLOCK_8X4 0, // BLOCK_8X8 1, // BLOCK_8X16 1, // BLOCK_16X8 0, // BLOCK_16X16 1, // BLOCK_16X32 1, // BLOCK_32X16 0, // BLOCK_32X32 1, // BLOCK_32X64 1, // BLOCK_64X32 0, // BLOCK_64X64 0, // BLOCK_64X128 0, // BLOCK_128X64 0, // BLOCK_128X128 1, // BLOCK_4X16 1, // BLOCK_16X4 1, // BLOCK_8X32 1, // BLOCK_32X8 1, // BLOCK_16X64 1, // BLOCK_64X16 }; return LUT[bsize]; } static inline int is_rect_tx_allowed(const MACROBLOCKD *xd, const MB_MODE_INFO *mbmi) { return is_rect_tx_allowed_bsize(mbmi->bsize) && !xd->lossless[mbmi->segment_id]; } static inline int tx_size_to_depth(TX_SIZE tx_size, BLOCK_SIZE bsize) { TX_SIZE ctx_size = max_txsize_rect_lookup[bsize]; int depth = 0; while (tx_size != ctx_size) { depth++; ctx_size = sub_tx_size_map[ctx_size]; assert(depth <= MAX_TX_DEPTH); } return depth; } static inline void set_blk_skip(uint8_t txb_skip[], int plane, int blk_idx, int skip) { if (skip) txb_skip[blk_idx] |= 1UL << plane; else txb_skip[blk_idx] &= ~(1UL << plane); #ifndef NDEBUG // Set chroma planes to uninitialized states when luma is set to check if // it will be set later if (plane == 0) { txb_skip[blk_idx] |= 1UL << (1 + 4); txb_skip[blk_idx] |= 1UL << (2 + 4); } // Clear the initialization checking bit txb_skip[blk_idx] &= ~(1UL << (plane + 4)); #endif } static inline int is_blk_skip(uint8_t *txb_skip, int plane, int blk_idx) { #ifndef NDEBUG // Check if this is initialized assert(!(txb_skip[blk_idx] & (1UL << (plane + 4)))); // The magic number is 0x77, this is to test if there is garbage data assert((txb_skip[blk_idx] & 0x88) == 0); #endif return (txb_skip[blk_idx] >> plane) & 1; } /*!\endcond */ #ifdef __cplusplus } // extern "C" #endif #endif // AOM_AV1_ENCODER_BLOCK_H_