block.h 3.82 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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 */


#ifndef __INC_BLOCK_H
#define __INC_BLOCK_H

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

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

typedef struct
{
    // 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
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    short *quant;
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    short *quant_fast;
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    unsigned char *quant_shift;
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    short *zbin;
    short *zrun_zbin_boost;
    short *round;
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    // Zbin Over Quant value
    short zbin_extra;

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

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//#if CONFIG_SEGFEATURES
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    int eob_max_offset;
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} BLOCK;

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

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typedef struct
{
    DECLARE_ALIGNED(16, short, src_diff[400]);       // 16x16 Y 8x8 U 8x8 V 4x4 2nd Y
    DECLARE_ALIGNED(16, short, coeff[400]);     // 16x16 Y 8x8 U 8x8 V 4x4 2nd Y
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    DECLARE_ALIGNED(16, unsigned char, thismb[256]);
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    unsigned char *thismb_ptr;
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    // 16 Y blocks, 4 U blocks, 4 V blocks, 1 DC 2nd order block each with 16 entries
    BLOCK block[25];

    YV12_BUFFER_CONFIG src;

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

    int errorperbit;
    int sadperbit16;
    int sadperbit4;
    int rddiv;
    int rdmult;
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    unsigned int * mb_activity_ptr;
    int * mb_norm_activity_ptr;
    signed int act_zbin_adj;
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    int mvcosts[2][MVvals+1];
    int *mvcost[2];
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    int mvsadcosts[2][MVfpvals+1];
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    int *mvsadcost[2];
    int mbmode_cost[2][MB_MODE_COUNT];
    int intra_uv_mode_cost[2][MB_MODE_COUNT];
    unsigned int bmode_costs[10][10][10];
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    unsigned int i8x8_mode_costs[MB_MODE_COUNT];
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    unsigned int inter_bmode_costs[B_MODE_COUNT];

    // 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 vector_range;    // Used to monitor limiting range of recent vectors to guide search.
    int skip;

    int encode_breakout;

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    //char * gf_active_ptr;
    signed char *gf_active_ptr;

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    unsigned char *active_ptr;
    MV_CONTEXT *mvc;

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    unsigned int token_costs[BLOCK_TYPES] [COEF_BANDS]
                            [PREV_COEF_CONTEXTS][MAX_ENTROPY_TOKENS];

#if CONFIG_T8X8
    unsigned int token_costs_8x8[BLOCK_TYPES] [COEF_BANDS]
                            [PREV_COEF_CONTEXTS] [MAX_ENTROPY_TOKENS];
#endif

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    int optimize;
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    int q_index;
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    void (*vp8_short_fdct4x4)(short *input, short *output, int pitch);
    void (*vp8_short_fdct8x4)(short *input, short *output, int pitch);
    void (*short_walsh4x4)(short *input, short *output, int pitch);
    void (*quantize_b)(BLOCK *b, BLOCKD *d);
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    void (*quantize_b_pair)(BLOCK *b1, BLOCK *b2, BLOCKD *d0, BLOCKD *d1);
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 #if CONFIG_T8X8
    void (*vp8_short_fdct8x8)(short *input, short *output, int pitch);
    void (*short_fhaar2x2)(short *input, short *output, int pitch);
    void (*quantize_b_8x8)(BLOCK *b, BLOCKD *d);
    void (*quantize_b_2x2)(BLOCK *b, BLOCKD *d);
#endif
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} MACROBLOCK;


#endif