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_