ref: 4e9529cb24fb8fc4edabb32868afcb288feb1f59
dir: /vp9/encoder/vp9_block.h/
/*
* Copyright (c) 2010 The WebM project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#ifndef VP9_ENCODER_VP9_BLOCK_H_
#define VP9_ENCODER_VP9_BLOCK_H_
#include "vp9/common/vp9_entropymv.h"
#include "vp9/common/vp9_entropy.h"
#include "vpx_ports/mem.h"
#include "vp9/common/vp9_onyxc_int.h"
#ifdef __cplusplus
extern "C" {
#endif
// motion search site
typedef struct {
MV mv;
int offset;
} search_site;
// Structure to hold snapshot of coding context during the mode picking process
typedef struct {
MODE_INFO mic;
uint8_t *zcoeff_blk;
int16_t *coeff[MAX_MB_PLANE][3];
int16_t *qcoeff[MAX_MB_PLANE][3];
int16_t *dqcoeff[MAX_MB_PLANE][3];
uint16_t *eobs[MAX_MB_PLANE][3];
// dual buffer pointers, 0: in use, 1: best in store
int16_t *coeff_pbuf[MAX_MB_PLANE][3];
int16_t *qcoeff_pbuf[MAX_MB_PLANE][3];
int16_t *dqcoeff_pbuf[MAX_MB_PLANE][3];
uint16_t *eobs_pbuf[MAX_MB_PLANE][3];
int is_coded;
int num_4x4_blk;
int skip;
int_mv best_ref_mv[2];
int_mv ref_mvs[MAX_REF_FRAMES][MAX_MV_REF_CANDIDATES];
int rate;
int distortion;
int best_mode_index;
int rddiv;
int rdmult;
int hybrid_pred_diff;
int comp_pred_diff;
int single_pred_diff;
int64_t tx_rd_diff[TX_MODES];
int64_t best_filter_diff[SWITCHABLE_FILTER_CONTEXTS];
// motion vector cache for adaptive motion search control in partition
// search loop
int_mv pred_mv[MAX_REF_FRAMES];
INTERP_FILTER pred_interp_filter;
} PICK_MODE_CONTEXT;
struct macroblock_plane {
DECLARE_ALIGNED(16, int16_t, src_diff[64 * 64]);
int16_t *qcoeff;
int16_t *coeff;
uint16_t *eobs;
struct buf_2d src;
// Quantizer setings
int16_t *quant;
int16_t *quant_shift;
int16_t *zbin;
int16_t *round;
// Zbin Over Quant value
int16_t zbin_extra;
};
/* The [2] dimension is for whether we skip the EOB node (i.e. if previous
* coefficient in this block was zero) or not. */
typedef unsigned int vp9_coeff_cost[PLANE_TYPES][REF_TYPES][COEF_BANDS][2]
[COEFF_CONTEXTS][ENTROPY_TOKENS];
typedef struct macroblock MACROBLOCK;
struct macroblock {
struct macroblock_plane plane[MAX_MB_PLANE];
MACROBLOCKD e_mbd;
int skip_block;
int select_txfm_size;
int skip_recode;
int skip_optimize;
int q_index;
search_site *ss;
int ss_count;
int searches_per_step;
int errorperbit;
int sadperbit16;
int sadperbit4;
int rddiv;
int rdmult;
unsigned int mb_energy;
unsigned int *mb_activity_ptr;
int *mb_norm_activity_ptr;
signed int act_zbin_adj;
int mv_best_ref_index[MAX_REF_FRAMES];
unsigned int max_mv_context[MAX_REF_FRAMES];
unsigned int source_variance;
unsigned int pred_sse[MAX_REF_FRAMES];
int pred_mv_sad[MAX_REF_FRAMES];
int nmvjointcost[MV_JOINTS];
int nmvcosts[2][MV_VALS];
int *nmvcost[2];
int nmvcosts_hp[2][MV_VALS];
int *nmvcost_hp[2];
int **mvcost;
int nmvjointsadcost[MV_JOINTS];
int nmvsadcosts[2][MV_VALS];
int *nmvsadcost[2];
int nmvsadcosts_hp[2][MV_VALS];
int *nmvsadcost_hp[2];
int **mvsadcost;
int mbmode_cost[INTRA_MODES];
unsigned inter_mode_cost[INTER_MODE_CONTEXTS][INTER_MODES];
int intra_uv_mode_cost[FRAME_TYPES][INTRA_MODES];
int y_mode_costs[INTRA_MODES][INTRA_MODES][INTRA_MODES];
int switchable_interp_costs[SWITCHABLE_FILTER_CONTEXTS][SWITCHABLE_FILTERS];
unsigned char sb_index; // index of 32x32 block inside the 64x64 block
unsigned char mb_index; // index of 16x16 block inside the 32x32 block
unsigned char b_index; // index of 8x8 block inside the 16x16 block
unsigned char ab_index; // index of 4x4 block inside the 8x8 block
// These define limits to motion vector components to prevent them
// from extending outside the UMV borders
int mv_col_min;
int mv_col_max;
int mv_row_min;
int mv_row_max;
uint8_t zcoeff_blk[TX_SIZES][256];
int skip;
int encode_breakout;
int in_active_map;
// note that token_costs is the cost when eob node is skipped
vp9_coeff_cost token_costs[TX_SIZES];
int optimize;
// indicate if it is in the rd search loop or encoding process
int use_lp32x32fdct;
int skip_encode;
// Used to store sub partition's choices.
int_mv pred_mv[MAX_REF_FRAMES];
// TODO(jingning): Need to refactor the structure arrays that buffers the
// coding mode decisions of each partition type.
PICK_MODE_CONTEXT ab4x4_context[4][4][4];
PICK_MODE_CONTEXT sb8x4_context[4][4][4];
PICK_MODE_CONTEXT sb4x8_context[4][4][4];
PICK_MODE_CONTEXT sb8x8_context[4][4][4];
PICK_MODE_CONTEXT sb8x16_context[4][4][2];
PICK_MODE_CONTEXT sb16x8_context[4][4][2];
PICK_MODE_CONTEXT mb_context[4][4];
PICK_MODE_CONTEXT sb32x16_context[4][2];
PICK_MODE_CONTEXT sb16x32_context[4][2];
// when 4 MBs share coding parameters:
PICK_MODE_CONTEXT sb32_context[4];
PICK_MODE_CONTEXT sb32x64_context[2];
PICK_MODE_CONTEXT sb64x32_context[2];
PICK_MODE_CONTEXT sb64_context;
int partition_cost[PARTITION_CONTEXTS][PARTITION_TYPES];
BLOCK_SIZE b_partitioning[4][4][4];
BLOCK_SIZE mb_partitioning[4][4];
BLOCK_SIZE sb_partitioning[4];
BLOCK_SIZE sb64_partitioning;
void (*fwd_txm4x4)(const int16_t *input, int16_t *output, int stride);
};
// TODO(jingning): the variables used here are little complicated. need further
// refactoring on organizing the temporary buffers, when recursive
// partition down to 4x4 block size is enabled.
static INLINE PICK_MODE_CONTEXT *get_block_context(MACROBLOCK *x,
BLOCK_SIZE bsize) {
switch (bsize) {
case BLOCK_64X64:
return &x->sb64_context;
case BLOCK_64X32:
return &x->sb64x32_context[x->sb_index];
case BLOCK_32X64:
return &x->sb32x64_context[x->sb_index];
case BLOCK_32X32:
return &x->sb32_context[x->sb_index];
case BLOCK_32X16:
return &x->sb32x16_context[x->sb_index][x->mb_index];
case BLOCK_16X32:
return &x->sb16x32_context[x->sb_index][x->mb_index];
case BLOCK_16X16:
return &x->mb_context[x->sb_index][x->mb_index];
case BLOCK_16X8:
return &x->sb16x8_context[x->sb_index][x->mb_index][x->b_index];
case BLOCK_8X16:
return &x->sb8x16_context[x->sb_index][x->mb_index][x->b_index];
case BLOCK_8X8:
return &x->sb8x8_context[x->sb_index][x->mb_index][x->b_index];
case BLOCK_8X4:
return &x->sb8x4_context[x->sb_index][x->mb_index][x->b_index];
case BLOCK_4X8:
return &x->sb4x8_context[x->sb_index][x->mb_index][x->b_index];
case BLOCK_4X4:
return &x->ab4x4_context[x->sb_index][x->mb_index][x->b_index];
default:
assert(0);
return NULL;
}
}
#ifdef __cplusplus
} // extern "C"
#endif
#endif // VP9_ENCODER_VP9_BLOCK_H_