shithub: libvpx

ref: 35908928c51830751c05ff5f6ca6d8d9105331d5
dir: /vp8/encoder/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 VP8_ENCODER_BLOCK_H_
#define VP8_ENCODER_BLOCK_H_

#include "vp8/common/onyx.h"
#include "vp8/common/blockd.h"
#include "vp8/common/entropymv.h"
#include "vp8/common/entropy.h"
#include "vpx_ports/mem.h"

#ifdef __cplusplus
extern "C" {
#endif

#define MAX_MODES 20
#define MAX_ERROR_BINS 1024

/* motion search site */
typedef struct {
  MV mv;
  int offset;
} search_site;

typedef struct block {
  /* 16 Y blocks, 4 U blocks, 4 V blocks each with 16 entries */
  short *src_diff;
  short *coeff;

  /* 16 Y blocks, 4 U blocks, 4 V blocks each with 16 entries */
  short *quant;
  short *quant_fast;
  short *quant_shift;
  short *zbin;
  short *zrun_zbin_boost;
  short *round;

  /* Zbin Over Quant value */
  short zbin_extra;

  unsigned char **base_src;
  int src;
  int src_stride;
} BLOCK;

typedef struct {
  int count;
  struct {
    B_PREDICTION_MODE mode;
    int_mv mv;
  } bmi[16];
} PARTITION_INFO;

typedef struct macroblock {
  DECLARE_ALIGNED(16, short, src_diff[400]); /* 25 blocks Y,U,V,Y2 */
  DECLARE_ALIGNED(16, short, coeff[400]);    /* 25 blocks Y,U,V,Y2 */
  DECLARE_ALIGNED(16, unsigned char, thismb[256]);

  unsigned char *thismb_ptr;
  /* 16 Y, 4 U, 4 V, 1 DC 2nd order block */
  BLOCK block[25];

  YV12_BUFFER_CONFIG src;

  MACROBLOCKD e_mbd;
  PARTITION_INFO *partition_info; /* work pointer */
  PARTITION_INFO *pi;  /* Corresponds to upper left visible macroblock */
  PARTITION_INFO *pip; /* Base of allocated array */

  int ref_frame_cost[MAX_REF_FRAMES];

  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;
  signed int last_act_zbin_adj;

  int *mvcost[2];
  int *mvsadcost[2];
  int (*mbmode_cost)[MB_MODE_COUNT];
  int (*intra_uv_mode_cost)[MB_MODE_COUNT];
  int (*bmode_costs)[10][10];
  int *inter_bmode_costs;
  int (*token_costs)[COEF_BANDS][PREV_COEF_CONTEXTS][MAX_ENTROPY_TOKENS];

  /* 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;

  int skip;

  unsigned int encode_breakout;

  signed char *gf_active_ptr;

  unsigned char *active_ptr;
  MV_CONTEXT *mvc;

  int optimize;
  int q_index;
  int is_skin;
  int denoise_zeromv;

#if CONFIG_TEMPORAL_DENOISING
  int increase_denoising;
  MB_PREDICTION_MODE best_sse_inter_mode;
  int_mv best_sse_mv;
  MV_REFERENCE_FRAME best_reference_frame;
  MV_REFERENCE_FRAME best_zeromv_reference_frame;
  unsigned char need_to_clamp_best_mvs;
#endif

  int skip_true_count;
  unsigned int coef_counts[BLOCK_TYPES][COEF_BANDS][PREV_COEF_CONTEXTS]
                          [MAX_ENTROPY_TOKENS];
  unsigned int MVcount[2][MVvals]; /* (row,col) MV cts this frame */
  int ymode_count[VP8_YMODES];     /* intra MB type cts this frame */
  int uv_mode_count[VP8_UV_MODES]; /* intra MB type cts this frame */
  int64_t prediction_error;
  int64_t intra_error;
  int count_mb_ref_frame_usage[MAX_REF_FRAMES];

  int rd_thresh_mult[MAX_MODES];
  int rd_threshes[MAX_MODES];
  unsigned int mbs_tested_so_far;
  unsigned int mode_test_hit_counts[MAX_MODES];
  int zbin_mode_boost_enabled;
  int zbin_mode_boost;
  int last_zbin_mode_boost;

  int last_zbin_over_quant;
  int zbin_over_quant;
  int error_bins[MAX_ERROR_BINS];

  void (*short_fdct4x4)(short *input, short *output, int pitch);
  void (*short_fdct8x4)(short *input, short *output, int pitch);
  void (*short_walsh4x4)(short *input, short *output, int pitch);
  void (*quantize_b)(BLOCK *b, BLOCKD *d);

  unsigned int mbs_zero_last_dot_suppress;
  int zero_last_dot_suppress;
} MACROBLOCK;

#ifdef __cplusplus
}  // extern "C"
#endif

#endif  // VP8_ENCODER_BLOCK_H_