247 строки
7.1 KiB
C
247 строки
7.1 KiB
C
/*
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* Copyright (c) 2010 The WebM project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef VP9_ENCODER_VP9_BLOCK_H_
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#define VP9_ENCODER_VP9_BLOCK_H_
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#include "vp9/common/vp9_onyx.h"
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#include "vp9/common/vp9_entropymv.h"
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#include "vp9/common/vp9_entropy.h"
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#include "vpx_ports/mem.h"
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#include "vp9/common/vp9_onyxc_int.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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// motion search site
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typedef struct {
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MV mv;
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int offset;
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} search_site;
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// Structure to hold snapshot of coding context during the mode picking process
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typedef struct {
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MODE_INFO mic;
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uint8_t *zcoeff_blk;
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int16_t *coeff[MAX_MB_PLANE][3];
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int16_t *qcoeff[MAX_MB_PLANE][3];
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int16_t *dqcoeff[MAX_MB_PLANE][3];
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uint16_t *eobs[MAX_MB_PLANE][3];
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// dual buffer pointers, 0: in use, 1: best in store
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int16_t *coeff_pbuf[MAX_MB_PLANE][3];
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int16_t *qcoeff_pbuf[MAX_MB_PLANE][3];
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int16_t *dqcoeff_pbuf[MAX_MB_PLANE][3];
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uint16_t *eobs_pbuf[MAX_MB_PLANE][3];
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int is_coded;
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int num_4x4_blk;
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int skip;
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int_mv best_ref_mv[2];
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int_mv ref_mvs[MAX_REF_FRAMES][MAX_MV_REF_CANDIDATES];
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int rate;
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int distortion;
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int64_t intra_error;
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int best_mode_index;
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int rddiv;
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int rdmult;
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int hybrid_pred_diff;
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int comp_pred_diff;
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int single_pred_diff;
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int64_t tx_rd_diff[TX_MODES];
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int64_t best_filter_diff[SWITCHABLE_FILTER_CONTEXTS];
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// motion vector cache for adaptive motion search control in partition
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// search loop
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int_mv pred_mv[MAX_REF_FRAMES];
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INTERP_FILTER pred_interp_filter;
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// Bit flag for each mode whether it has high error in comparison to others.
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unsigned int modes_with_high_error;
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} PICK_MODE_CONTEXT;
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struct macroblock_plane {
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DECLARE_ALIGNED(16, int16_t, src_diff[64 * 64]);
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int16_t *qcoeff;
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int16_t *coeff;
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uint16_t *eobs;
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struct buf_2d src;
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// Quantizer setings
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int16_t *quant;
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int16_t *quant_shift;
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int16_t *zbin;
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int16_t *round;
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// Zbin Over Quant value
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int16_t zbin_extra;
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};
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/* The [2] dimension is for whether we skip the EOB node (i.e. if previous
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* coefficient in this block was zero) or not. */
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typedef unsigned int vp9_coeff_cost[PLANE_TYPES][REF_TYPES][COEF_BANDS][2]
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[COEFF_CONTEXTS][ENTROPY_TOKENS];
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typedef struct macroblock MACROBLOCK;
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struct macroblock {
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struct macroblock_plane plane[MAX_MB_PLANE];
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MACROBLOCKD e_mbd;
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int skip_block;
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int select_txfm_size;
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int skip_recode;
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int skip_optimize;
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int q_index;
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search_site *ss;
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int ss_count;
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int searches_per_step;
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int errorperbit;
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int sadperbit16;
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int sadperbit4;
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int rddiv;
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int rdmult;
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unsigned int mb_energy;
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unsigned int *mb_activity_ptr;
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int *mb_norm_activity_ptr;
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signed int act_zbin_adj;
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int mv_best_ref_index[MAX_REF_FRAMES];
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unsigned int max_mv_context[MAX_REF_FRAMES];
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unsigned int source_variance;
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unsigned int pred_sse[MAX_REF_FRAMES];
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int pred_mv_sad[MAX_REF_FRAMES];
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int mode_sad[MAX_REF_FRAMES][INTER_MODES + 1];
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int nmvjointcost[MV_JOINTS];
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int nmvcosts[2][MV_VALS];
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int *nmvcost[2];
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int nmvcosts_hp[2][MV_VALS];
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int *nmvcost_hp[2];
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int **mvcost;
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int nmvjointsadcost[MV_JOINTS];
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int nmvsadcosts[2][MV_VALS];
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int *nmvsadcost[2];
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int nmvsadcosts_hp[2][MV_VALS];
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int *nmvsadcost_hp[2];
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int **mvsadcost;
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int mbmode_cost[MB_MODE_COUNT];
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unsigned inter_mode_cost[INTER_MODE_CONTEXTS][INTER_MODES];
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int intra_uv_mode_cost[2][MB_MODE_COUNT];
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int y_mode_costs[INTRA_MODES][INTRA_MODES][INTRA_MODES];
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int switchable_interp_costs[SWITCHABLE_FILTER_CONTEXTS][SWITCHABLE_FILTERS];
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unsigned char sb_index; // index of 32x32 block inside the 64x64 block
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unsigned char mb_index; // index of 16x16 block inside the 32x32 block
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unsigned char b_index; // index of 8x8 block inside the 16x16 block
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unsigned char ab_index; // index of 4x4 block inside the 8x8 block
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// These define limits to motion vector components to prevent them
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// from extending outside the UMV borders
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int mv_col_min;
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int mv_col_max;
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int mv_row_min;
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int mv_row_max;
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uint8_t zcoeff_blk[TX_SIZES][256];
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int skip;
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int encode_breakout;
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unsigned char *active_ptr;
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// note that token_costs is the cost when eob node is skipped
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vp9_coeff_cost token_costs[TX_SIZES];
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DECLARE_ALIGNED(16, uint8_t, token_cache[1024]);
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int optimize;
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// indicate if it is in the rd search loop or encoding process
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int use_lp32x32fdct;
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int skip_encode;
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// Used to store sub partition's choices.
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int fast_ms;
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int_mv pred_mv[MAX_REF_FRAMES];
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int subblock_ref;
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// TODO(jingning): Need to refactor the structure arrays that buffers the
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// coding mode decisions of each partition type.
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PICK_MODE_CONTEXT ab4x4_context[4][4][4];
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PICK_MODE_CONTEXT sb8x4_context[4][4][4];
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PICK_MODE_CONTEXT sb4x8_context[4][4][4];
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PICK_MODE_CONTEXT sb8x8_context[4][4][4];
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PICK_MODE_CONTEXT sb8x16_context[4][4][2];
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PICK_MODE_CONTEXT sb16x8_context[4][4][2];
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PICK_MODE_CONTEXT mb_context[4][4];
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PICK_MODE_CONTEXT sb32x16_context[4][2];
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PICK_MODE_CONTEXT sb16x32_context[4][2];
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// when 4 MBs share coding parameters:
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PICK_MODE_CONTEXT sb32_context[4];
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PICK_MODE_CONTEXT sb32x64_context[2];
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PICK_MODE_CONTEXT sb64x32_context[2];
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PICK_MODE_CONTEXT sb64_context;
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int partition_cost[PARTITION_CONTEXTS][PARTITION_TYPES];
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BLOCK_SIZE b_partitioning[4][4][4];
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BLOCK_SIZE mb_partitioning[4][4];
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BLOCK_SIZE sb_partitioning[4];
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BLOCK_SIZE sb64_partitioning;
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void (*fwd_txm4x4)(const int16_t *input, int16_t *output, int stride);
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};
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// TODO(jingning): the variables used here are little complicated. need further
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// refactoring on organizing the temporary buffers, when recursive
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// partition down to 4x4 block size is enabled.
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static PICK_MODE_CONTEXT *get_block_context(MACROBLOCK *x, BLOCK_SIZE bsize) {
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switch (bsize) {
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case BLOCK_64X64:
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return &x->sb64_context;
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case BLOCK_64X32:
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return &x->sb64x32_context[x->sb_index];
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case BLOCK_32X64:
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return &x->sb32x64_context[x->sb_index];
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case BLOCK_32X32:
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return &x->sb32_context[x->sb_index];
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case BLOCK_32X16:
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return &x->sb32x16_context[x->sb_index][x->mb_index];
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case BLOCK_16X32:
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return &x->sb16x32_context[x->sb_index][x->mb_index];
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case BLOCK_16X16:
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return &x->mb_context[x->sb_index][x->mb_index];
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case BLOCK_16X8:
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return &x->sb16x8_context[x->sb_index][x->mb_index][x->b_index];
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case BLOCK_8X16:
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return &x->sb8x16_context[x->sb_index][x->mb_index][x->b_index];
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case BLOCK_8X8:
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return &x->sb8x8_context[x->sb_index][x->mb_index][x->b_index];
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case BLOCK_8X4:
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return &x->sb8x4_context[x->sb_index][x->mb_index][x->b_index];
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case BLOCK_4X8:
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return &x->sb4x8_context[x->sb_index][x->mb_index][x->b_index];
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case BLOCK_4X4:
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return &x->ab4x4_context[x->sb_index][x->mb_index][x->b_index];
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default:
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assert(0);
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return NULL;
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}
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}
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#ifdef __cplusplus
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} // extern "C"
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#endif
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#endif // VP9_ENCODER_VP9_BLOCK_H_
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