vp9_block.h 5.53 KB
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/*
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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
 *  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_
#define VP9_ENCODER_VP9_BLOCK_H_
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#include "vp9/common/vp9_onyx.h"
#include "vp9/common/vp9_entropymv.h"
#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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// motion search site
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typedef struct {
  MV mv;
  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 {
  MODE_INFO mic;
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  uint8_t zcoeff_blk[256];
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  int skip;
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  int_mv best_ref_mv;
  int_mv second_best_ref_mv;
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  int_mv ref_mvs[MAX_REF_FRAMES][MAX_MV_REF_CANDIDATES];
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  int rate;
  int distortion;
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  int64_t intra_error;
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  int best_mode_index;
  int rddiv;
  int rdmult;
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  int hybrid_pred_diff;
  int comp_pred_diff;
  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_FILTERS + 1];
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  // motion vector cache for adaptive motion search control in partition
  // search loop
  int_mv pred_mv[MAX_REF_FRAMES];

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  // Bit flag for each mode whether it has high error in comparison to others.
  unsigned int modes_with_high_error;

  // Bit flag for each ref frame whether it has high error compared to others.
  unsigned int frames_with_high_error;
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} PICK_MODE_CONTEXT;

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struct macroblock_plane {
  DECLARE_ALIGNED(16, int16_t, src_diff[64*64]);
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  DECLARE_ALIGNED(16, int16_t, coeff[64*64]);
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  struct buf_2d src;
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  // Quantizer setings
  int16_t *quant;
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  int16_t *quant_shift;
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  int16_t *zbin;
  int16_t *round;

  // Zbin Over Quant value
  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
 * coefficient in this block was zero) or not. */
typedef unsigned int vp9_coeff_cost[BLOCK_TYPES][REF_TYPES][COEF_BANDS][2]
                                   [PREV_COEF_CONTEXTS][MAX_ENTROPY_TOKENS];

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typedef struct macroblock MACROBLOCK;
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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  search_site *ss;
  int ss_count;
  int searches_per_step;

  int errorperbit;
  int sadperbit16;
  int sadperbit4;
  int rddiv;
  int rdmult;
  unsigned int *mb_activity_ptr;
  int *mb_norm_activity_ptr;
  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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  int nmvjointcost[MV_JOINTS];
  int nmvcosts[2][MV_VALS];
  int *nmvcost[2];
  int nmvcosts_hp[2][MV_VALS];
  int *nmvcost_hp[2];
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  int **mvcost;
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  int nmvjointsadcost[MV_JOINTS];
  int nmvsadcosts[2][MV_VALS];
  int *nmvsadcost[2];
  int nmvsadcosts_hp[2][MV_VALS];
  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][MB_MODE_COUNT - NEARESTMV];
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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];
  int switchable_interp_costs[SWITCHABLE_FILTERS + 1]
                             [SWITCHABLE_FILTERS];
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  // These define limits to motion vector components to prevent them
  // from extending outside the UMV borders
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  int mv_col_min;
  int mv_col_max;
  int mv_row_min;
  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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  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.
  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
  // coding mode decisions of each partition type.
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  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];
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  PICK_MODE_CONTEXT sb8x16_context[4][4][2];
  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];
  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];
  PICK_MODE_CONTEXT sb64x32_context[2];
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  PICK_MODE_CONTEXT sb64_context;
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  int partition_cost[NUM_PARTITION_CONTEXTS][PARTITION_TYPES];
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  BLOCK_SIZE b_partitioning[4][4][4];
  BLOCK_SIZE mb_partitioning[4][4];
  BLOCK_SIZE sb_partitioning[4];
  BLOCK_SIZE sb64_partitioning;
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  void (*fwd_txm4x4)(int16_t *input, int16_t *output, int pitch);
  void (*fwd_txm8x4)(int16_t *input, int16_t *output, int pitch);
  void (*fwd_txm8x8)(int16_t *input, int16_t *output, int pitch);
  void (*fwd_txm16x16)(int16_t *input, int16_t *output, int pitch);
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  void (*quantize_b_4x4)(MACROBLOCK *x, int b_idx, TX_TYPE tx_type,
                         int y_blocks);
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};
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struct rdcost_block_args {
  MACROBLOCK *x;
  ENTROPY_CONTEXT t_above[16];
  ENTROPY_CONTEXT t_left[16];
  TX_SIZE tx_size;
  int bw;
  int bh;
  int rate;
  int64_t dist;
  int64_t sse;
  int this_rate;
  int64_t this_dist;
  int64_t this_sse;
  int64_t this_rd;
  int64_t best_rd;
  int skip;
  const int16_t *scan, *nb;
};

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#endif  // VP9_ENCODER_VP9_BLOCK_H_