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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][8];
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 + 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 {
// TODO(angiebird): Reduce the buffer size according to sb_type
CB_COEFF_BUFFER *cb_coef_buff;
CANDIDATE_MV ref_mv_stack[MODE_CTX_REF_FRAMES][MAX_REF_MV_STACK_SIZE];
uint16_t weight[MODE_CTX_REF_FRAMES][MAX_REF_MV_STACK_SIZE];
int_mv global_mvs[REF_FRAMES];
int cb_offset;
int16_t mode_context[MODE_CTX_REF_FRAMES];
uint8_t ref_mv_count[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;
// Simple translation rd state for prune_comp_search_by_single_result
typedef struct {
RD_STATS rd_stats;
RD_STATS rd_stats_y;
RD_STATS rd_stats_uv;
uint8_t blk_skip[MAX_MIB_SIZE * MAX_MIB_SIZE];
uint8_t skip;
uint8_t disable_skip;
uint8_t early_skipped;
} SimpleRDState;
// 4: NEAREST, NEW, NEAR, GLOBAL
#define SINGLE_REF_MODES ((REF_FRAMES - 1) * 4)
// 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 in two_pass_partition_search 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.
uint8_t interintra_motion_mode_count[REF_FRAMES]; // Counter for interintra
// motion mode
} 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;
int64_t rd;
int skip_txfm_sb;
int64_t skip_sse_sb;
unsigned int pred_sse;
} INTERPOLATION_FILTER_STATS;
#define MAX_COMP_RD_STATS 64
typedef struct {
int32_t rate[COMPOUND_TYPES];
int64_t dist[COMPOUND_TYPES];
int64_t comp_model_rd[COMPOUND_TYPES];
int_mv mv[2];
MV_REFERENCE_FRAME ref_frames[2];
PREDICTION_MODE mode;
InterpFilters filter;
int ref_mv_idx;
int is_global[2];
} COMP_RD_STATS;
struct inter_modes_info;
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];
// prune_comp_search_by_single_result (3:MAX_REF_MV_SERCH)
SimpleRDState simple_rd_state[SINGLE_REF_MODES][3];
// 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 cb_rdmult;
int mb_energy;
int sb_energy_level;
int *m_search_count_ptr;
int *ex_search_count_ptr;
unsigned int txb_split_count;
#if CONFIG_SPEED_STATS
unsigned int tx_search_count;
#endif // CONFIG_SPEED_STATS
// 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 simple_motion_pred_sse;
unsigned int pred_sse[REF_FRAMES];
int pred_mv_sad[REF_FRAMES];
int nmv_vec_cost[MV_JOINTS];
int *nmvcost[2];
int *nmvcost_hp[2];
int **mv_cost_stack;
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];
FRAME_CONTEXT *row_ctx;
// 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 ponter 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;
struct inter_modes_info *inter_modes_info;
// 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][MASKED_COMPOUND_TYPES];
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;
// Store the fractional best motion vector during sub/Qpel-pixel motion search
int_mv fractional_best_mv[3];
// Ref frames that are selected by square partition blocks within a super-
// block, in MI resolution. They can be used to prune ref frames for
// rectangular blocks.
int picked_ref_frames_mask[32 * 32];
// 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
// The likelihood of an edge existing in the block (using partial Canny edge
// detection). For reference, 556 is the value returned for a solid
// vertical black/white edge.
uint16_t edge_strength;
// The strongest edge strength seen along the x/y axis.
uint16_t edge_strength_x;
uint16_t edge_strength_y;
// [Saved stat index]
COMP_RD_STATS comp_rd_stats[MAX_COMP_RD_STATS];
int comp_rd_stats_idx;
};
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_