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+/*
+ * 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.
+ */
+
+#ifndef AOM_AV1_ENCODER_BLOCK_H_
+#define AOM_AV1_ENCODER_BLOCK_H_
+
+#include "av1/common/entropymv.h"
+#include "av1/common/entropy.h"
+#include "av1/common/mvref_common.h"
+#include "av1/encoder/hash.h"
+#if CONFIG_DIST_8X8
+#include "aom/aomcx.h"
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef struct {
+ unsigned int sse;
+ int sum;
+ unsigned int var;
+} DIFF;
+
+typedef struct macroblock_plane {
+ DECLARE_ALIGNED(16, int16_t, src_diff[MAX_SB_SQUARE]);
+ tran_low_t *qcoeff;
+ tran_low_t *coeff;
+ uint16_t *eobs;
+ uint8_t *txb_entropy_ctx;
+ struct buf_2d src;
+
+ // Quantizer setings
+ // These are used/accessed only in the quantization process
+ // RDO does not / must not depend on any of these values
+ // All values below share the coefficient scale/shift used in TX
+ const int16_t *quant_fp_QTX;
+ const int16_t *round_fp_QTX;
+ const int16_t *quant_QTX;
+ const int16_t *quant_shift_QTX;
+ const int16_t *zbin_QTX;
+ const int16_t *round_QTX;
+ const int16_t *dequant_QTX;
+} MACROBLOCK_PLANE;
+
+typedef struct {
+ int txb_skip_cost[TXB_SKIP_CONTEXTS][2];
+ int base_eob_cost[SIG_COEF_CONTEXTS_EOB][3];
+ int base_cost[SIG_COEF_CONTEXTS][4];
+ int eob_extra_cost[EOB_COEF_CONTEXTS][2];
+ int dc_sign_cost[DC_SIGN_CONTEXTS][2];
+ int lps_cost[LEVEL_CONTEXTS][COEFF_BASE_RANGE + 1];
+} LV_MAP_COEFF_COST;
+
+typedef struct {
+ int eob_cost[2][11];
+} LV_MAP_EOB_COST;
+
+typedef struct {
+ tran_low_t tcoeff[MAX_MB_PLANE][MAX_SB_SQUARE];
+ uint16_t eobs[MAX_MB_PLANE][MAX_SB_SQUARE / (TX_SIZE_W_MIN * TX_SIZE_H_MIN)];
+ uint8_t txb_skip_ctx[MAX_MB_PLANE]
+ [MAX_SB_SQUARE / (TX_SIZE_W_MIN * TX_SIZE_H_MIN)];
+ int dc_sign_ctx[MAX_MB_PLANE]
+ [MAX_SB_SQUARE / (TX_SIZE_W_MIN * TX_SIZE_H_MIN)];
+} CB_COEFF_BUFFER;
+
+typedef struct {
+ int16_t mode_context[MODE_CTX_REF_FRAMES];
+ // TODO(angiebird): Reduce the buffer size according to sb_type
+ tran_low_t *tcoeff[MAX_MB_PLANE];
+ uint16_t *eobs[MAX_MB_PLANE];
+ uint8_t *txb_skip_ctx[MAX_MB_PLANE];
+ int *dc_sign_ctx[MAX_MB_PLANE];
+ uint8_t ref_mv_count[MODE_CTX_REF_FRAMES];
+ CANDIDATE_MV ref_mv_stack[MODE_CTX_REF_FRAMES][MAX_REF_MV_STACK_SIZE];
+ int_mv global_mvs[REF_FRAMES];
+ int16_t compound_mode_context[MODE_CTX_REF_FRAMES];
+} MB_MODE_INFO_EXT;
+
+typedef struct {
+ int col_min;
+ int col_max;
+ int row_min;
+ int row_max;
+} MvLimits;
+
+typedef struct {
+ uint8_t best_palette_color_map[MAX_PALETTE_SQUARE];
+ int kmeans_data_buf[2 * MAX_PALETTE_SQUARE];
+} PALETTE_BUFFER;
+
+typedef struct {
+ TX_SIZE tx_size;
+ TX_SIZE inter_tx_size[INTER_TX_SIZE_BUF_LEN];
+ uint8_t blk_skip[MAX_MIB_SIZE * MAX_MIB_SIZE];
+ TX_TYPE txk_type[TXK_TYPE_BUF_LEN];
+ RD_STATS rd_stats;
+ uint32_t hash_value;
+} MB_RD_INFO;
+
+#define RD_RECORD_BUFFER_LEN 8
+typedef struct {
+ MB_RD_INFO tx_rd_info[RD_RECORD_BUFFER_LEN]; // Circular buffer.
+ int index_start;
+ int num;
+ CRC32C crc_calculator; // Hash function.
+} MB_RD_RECORD;
+
+typedef struct {
+ int64_t dist;
+ int64_t sse;
+ int rate;
+ uint16_t eob;
+ TX_TYPE tx_type;
+ uint16_t entropy_context;
+ uint8_t txb_entropy_ctx;
+ uint8_t valid;
+ uint8_t fast; // This is not being used now.
+} TXB_RD_INFO;
+
+#define TX_SIZE_RD_RECORD_BUFFER_LEN 256
+typedef struct {
+ uint32_t hash_vals[TX_SIZE_RD_RECORD_BUFFER_LEN];
+ TXB_RD_INFO tx_rd_info[TX_SIZE_RD_RECORD_BUFFER_LEN];
+ int index_start;
+ int num;
+} TXB_RD_RECORD;
+
+typedef struct tx_size_rd_info_node {
+ TXB_RD_INFO *rd_info_array; // Points to array of size TX_TYPES.
+ struct tx_size_rd_info_node *children[4];
+} TXB_RD_INFO_NODE;
+
+// Region size for mode decision sampling in the first pass of partition
+// search(two_pass_partition_search speed feature), in units of mi size(4).
+// Used by the mode_pruning_based_on_two_pass_partition_search speed feature.
+#define FIRST_PARTITION_PASS_SAMPLE_REGION 8
+#define FIRST_PARTITION_PASS_SAMPLE_REGION_LOG2 3
+#define FIRST_PARTITION_PASS_STATS_TABLES \
+ (MAX_MIB_SIZE >> FIRST_PARTITION_PASS_SAMPLE_REGION_LOG2) * \
+ (MAX_MIB_SIZE >> FIRST_PARTITION_PASS_SAMPLE_REGION_LOG2)
+#define FIRST_PARTITION_PASS_STATS_STRIDE \
+ (MAX_MIB_SIZE_LOG2 - FIRST_PARTITION_PASS_SAMPLE_REGION_LOG2)
+
+static INLINE int av1_first_partition_pass_stats_index(int mi_row, int mi_col) {
+ const int row =
+ (mi_row & MAX_MIB_MASK) >> FIRST_PARTITION_PASS_SAMPLE_REGION_LOG2;
+ const int col =
+ (mi_col & MAX_MIB_MASK) >> FIRST_PARTITION_PASS_SAMPLE_REGION_LOG2;
+ return (row << FIRST_PARTITION_PASS_STATS_STRIDE) + col;
+}
+
+typedef struct {
+ uint8_t ref0_counts[REF_FRAMES]; // Counters for ref_frame[0].
+ uint8_t ref1_counts[REF_FRAMES]; // Counters for ref_frame[1].
+ int sample_counts; // Number of samples collected.
+} FIRST_PARTITION_PASS_STATS;
+
+#define MAX_INTERP_FILTER_STATS 64
+typedef struct {
+ InterpFilters filters;
+ int_mv mv[2];
+ int8_t ref_frames[2];
+ COMPOUND_TYPE comp_type;
+} INTERPOLATION_FILTER_STATS;
+
+typedef struct macroblock MACROBLOCK;
+struct macroblock {
+ struct macroblock_plane plane[MAX_MB_PLANE];
+
+ // Determine if one would go with reduced complexity transform block
+ // search model to select prediction modes, or full complexity model
+ // to select transform kernel.
+ int rd_model;
+
+ // Indicate if the encoder is running in the first pass partition search.
+ // In that case, apply certain speed features therein to reduce the overhead
+ // cost in the first pass search.
+ int cb_partition_scan;
+
+ FIRST_PARTITION_PASS_STATS
+ first_partition_pass_stats[FIRST_PARTITION_PASS_STATS_TABLES];
+
+ // [comp_idx][saved stat_idx]
+ INTERPOLATION_FILTER_STATS interp_filter_stats[2][MAX_INTERP_FILTER_STATS];
+ int interp_filter_stats_idx[2];
+
+ // Activate constrained coding block partition search range.
+ int use_cb_search_range;
+
+ // Inter macroblock RD search info.
+ MB_RD_RECORD mb_rd_record;
+
+ // Inter transform block RD search info. for square TX sizes.
+ TXB_RD_RECORD txb_rd_record_8X8[(MAX_MIB_SIZE >> 1) * (MAX_MIB_SIZE >> 1)];
+ TXB_RD_RECORD txb_rd_record_16X16[(MAX_MIB_SIZE >> 2) * (MAX_MIB_SIZE >> 2)];
+ TXB_RD_RECORD txb_rd_record_32X32[(MAX_MIB_SIZE >> 3) * (MAX_MIB_SIZE >> 3)];
+ TXB_RD_RECORD txb_rd_record_64X64[(MAX_MIB_SIZE >> 4) * (MAX_MIB_SIZE >> 4)];
+
+ // Intra transform block RD search info. for square TX sizes.
+ TXB_RD_RECORD txb_rd_record_intra;
+
+ MACROBLOCKD e_mbd;
+ MB_MODE_INFO_EXT *mbmi_ext;
+ int skip_block;
+ int qindex;
+
+ // The equivalent error at the current rdmult of one whole bit (not one
+ // bitcost unit).
+ int errorperbit;
+ // The equivalend SAD error of one (whole) bit at the current quantizer
+ // for large blocks.
+ int sadperbit16;
+ // The equivalend SAD error of one (whole) bit at the current quantizer
+ // for sub-8x8 blocks.
+ int sadperbit4;
+ int rdmult;
+ int mb_energy;
+ int sb_energy_level;
+ int *m_search_count_ptr;
+ int *ex_search_count_ptr;
+
+ unsigned int txb_split_count;
+
+ // These are set to their default values at the beginning, and then adjusted
+ // further in the encoding process.
+ BLOCK_SIZE min_partition_size;
+ BLOCK_SIZE max_partition_size;
+
+ unsigned int max_mv_context[REF_FRAMES];
+ unsigned int source_variance;
+ unsigned int pred_sse[REF_FRAMES];
+ int pred_mv_sad[REF_FRAMES];
+
+ int *nmvjointcost;
+ int nmv_vec_cost[MV_JOINTS];
+ int *nmvcost[2];
+ int *nmvcost_hp[2];
+ int **mv_cost_stack;
+ int **mvcost;
+
+ int32_t *wsrc_buf;
+ int32_t *mask_buf;
+ uint8_t *above_pred_buf;
+ uint8_t *left_pred_buf;
+
+ PALETTE_BUFFER *palette_buffer;
+
+ CONV_BUF_TYPE *tmp_conv_dst;
+ uint8_t *tmp_obmc_bufs[2];
+
+ // buffer for hash value calculation of a block
+ // used only in av1_get_block_hash_value()
+ // [first hash/second hash]
+ // [two buffers used ping-pong]
+ uint32_t *hash_value_buffer[2][2];
+
+ CRC_CALCULATOR crc_calculator1;
+ CRC_CALCULATOR crc_calculator2;
+ int g_crc_initialized;
+
+ // These define limits to motion vector components to prevent them
+ // from extending outside the UMV borders
+ MvLimits mv_limits;
+
+ uint8_t blk_skip[MAX_MIB_SIZE * MAX_MIB_SIZE];
+
+ int skip;
+ int skip_chroma_rd;
+ int skip_cost[SKIP_CONTEXTS][2];
+
+ int skip_mode; // 0: off; 1: on
+ int skip_mode_cost[SKIP_CONTEXTS][2];
+
+ int compound_idx;
+
+ LV_MAP_COEFF_COST coeff_costs[TX_SIZES][PLANE_TYPES];
+ LV_MAP_EOB_COST eob_costs[7][2];
+ uint16_t cb_offset;
+
+ // mode costs
+ int intra_inter_cost[INTRA_INTER_CONTEXTS][2];
+
+ int mbmode_cost[BLOCK_SIZE_GROUPS][INTRA_MODES];
+ int newmv_mode_cost[NEWMV_MODE_CONTEXTS][2];
+ int zeromv_mode_cost[GLOBALMV_MODE_CONTEXTS][2];
+ int refmv_mode_cost[REFMV_MODE_CONTEXTS][2];
+ int drl_mode_cost0[DRL_MODE_CONTEXTS][2];
+
+ int comp_inter_cost[COMP_INTER_CONTEXTS][2];
+ int single_ref_cost[REF_CONTEXTS][SINGLE_REFS - 1][2];
+ int comp_ref_type_cost[COMP_REF_TYPE_CONTEXTS]
+ [CDF_SIZE(COMP_REFERENCE_TYPES)];
+ int uni_comp_ref_cost[UNI_COMP_REF_CONTEXTS][UNIDIR_COMP_REFS - 1]
+ [CDF_SIZE(2)];
+ // Cost for signaling ref_frame[0] (LAST_FRAME, LAST2_FRAME, LAST3_FRAME or
+ // GOLDEN_FRAME) in bidir-comp mode.
+ int comp_ref_cost[REF_CONTEXTS][FWD_REFS - 1][2];
+ // Cost for signaling ref_frame[1] (ALTREF_FRAME, ALTREF2_FRAME, or
+ // BWDREF_FRAME) in bidir-comp mode.
+ int comp_bwdref_cost[REF_CONTEXTS][BWD_REFS - 1][2];
+ int inter_compound_mode_cost[INTER_MODE_CONTEXTS][INTER_COMPOUND_MODES];
+ int compound_type_cost[BLOCK_SIZES_ALL][COMPOUND_TYPES - 1];
+ int wedge_idx_cost[BLOCK_SIZES_ALL][16];
+ int interintra_cost[BLOCK_SIZE_GROUPS][2];
+ int wedge_interintra_cost[BLOCK_SIZES_ALL][2];
+ int interintra_mode_cost[BLOCK_SIZE_GROUPS][INTERINTRA_MODES];
+ int motion_mode_cost[BLOCK_SIZES_ALL][MOTION_MODES];
+ int motion_mode_cost1[BLOCK_SIZES_ALL][2];
+ int intra_uv_mode_cost[CFL_ALLOWED_TYPES][INTRA_MODES][UV_INTRA_MODES];
+ int y_mode_costs[INTRA_MODES][INTRA_MODES][INTRA_MODES];
+ int filter_intra_cost[BLOCK_SIZES_ALL][2];
+ int filter_intra_mode_cost[FILTER_INTRA_MODES];
+ int switchable_interp_costs[SWITCHABLE_FILTER_CONTEXTS][SWITCHABLE_FILTERS];
+ int partition_cost[PARTITION_CONTEXTS][EXT_PARTITION_TYPES];
+ int palette_y_size_cost[PALATTE_BSIZE_CTXS][PALETTE_SIZES];
+ int palette_uv_size_cost[PALATTE_BSIZE_CTXS][PALETTE_SIZES];
+ int palette_y_color_cost[PALETTE_SIZES][PALETTE_COLOR_INDEX_CONTEXTS]
+ [PALETTE_COLORS];
+ int palette_uv_color_cost[PALETTE_SIZES][PALETTE_COLOR_INDEX_CONTEXTS]
+ [PALETTE_COLORS];
+ int palette_y_mode_cost[PALATTE_BSIZE_CTXS][PALETTE_Y_MODE_CONTEXTS][2];
+ int palette_uv_mode_cost[PALETTE_UV_MODE_CONTEXTS][2];
+ // The rate associated with each alpha codeword
+ int cfl_cost[CFL_JOINT_SIGNS][CFL_PRED_PLANES][CFL_ALPHABET_SIZE];
+ int tx_size_cost[TX_SIZES - 1][TX_SIZE_CONTEXTS][TX_SIZES];
+ int txfm_partition_cost[TXFM_PARTITION_CONTEXTS][2];
+ int inter_tx_type_costs[EXT_TX_SETS_INTER][EXT_TX_SIZES][TX_TYPES];
+ int intra_tx_type_costs[EXT_TX_SETS_INTRA][EXT_TX_SIZES][INTRA_MODES]
+ [TX_TYPES];
+ int angle_delta_cost[DIRECTIONAL_MODES][2 * MAX_ANGLE_DELTA + 1];
+ int switchable_restore_cost[RESTORE_SWITCHABLE_TYPES];
+ int wiener_restore_cost[2];
+ int sgrproj_restore_cost[2];
+ int intrabc_cost[2];
+
+ // Used to store sub partition's choices.
+ MV pred_mv[REF_FRAMES];
+
+ // Store the best motion vector during motion search
+ int_mv best_mv;
+ // Store the second best motion vector during full-pixel motion search
+ int_mv second_best_mv;
+
+ // use default transform and skip transform type search for intra modes
+ int use_default_intra_tx_type;
+ // use default transform and skip transform type search for inter modes
+ int use_default_inter_tx_type;
+#if CONFIG_DIST_8X8
+ int using_dist_8x8;
+ aom_tune_metric tune_metric;
+#endif // CONFIG_DIST_8X8
+ int comp_idx_cost[COMP_INDEX_CONTEXTS][2];
+ int comp_group_idx_cost[COMP_GROUP_IDX_CONTEXTS][2];
+ // Bit flags for pruning tx type search, tx split, etc.
+ int tx_search_prune[EXT_TX_SET_TYPES];
+ int must_find_valid_partition;
+ int tx_split_prune_flag; // Flag to skip tx split RD search.
+ int recalc_luma_mc_data; // Flag to indicate recalculation of MC data during
+ // interpolation filter search
+};
+
+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->sb_type) &&
+ !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(MACROBLOCK *x, int plane, int blk_idx,
+ int skip) {
+ if (skip)
+ x->blk_skip[blk_idx] |= 1UL << plane;
+ else
+ x->blk_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) {
+ x->blk_skip[blk_idx] |= 1UL << (1 + 4);
+ x->blk_skip[blk_idx] |= 1UL << (2 + 4);
+ }
+
+ // Clear the initialization checking bit
+ x->blk_skip[blk_idx] &= ~(1UL << (plane + 4));
+#endif
+}
+
+static INLINE int is_blk_skip(MACROBLOCK *x, int plane, int blk_idx) {
+#ifndef NDEBUG
+ // Check if this is initialized
+ assert(!(x->blk_skip[blk_idx] & (1UL << (plane + 4))));
+
+ // The magic number is 0x77, this is to test if there is garbage data
+ assert((x->blk_skip[blk_idx] & 0x88) == 0);
+#endif
+ return (x->blk_skip[blk_idx] >> plane) & 1;
+}
+
+#ifdef __cplusplus
+} // extern "C"
+#endif
+
+#endif // AOM_AV1_ENCODER_BLOCK_H_