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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_VP8C_INT_H
#define __INC_VP8C_INT_H

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#include "vpx_config.h"
#include "vpx/internal/vpx_codec_internal.h"
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#include "loopfilter.h"
#include "entropymv.h"
#include "entropy.h"
#include "idct.h"
#include "recon.h"
#include "postproc.h"

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/*#ifdef PACKET_TESTING*/
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#include "header.h"
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/*#endif*/
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/* Create/destroy static data structures. */

void vp8_initialize_common(void);

#define MINQ 0
#define MAXQ 127
#define QINDEX_RANGE (MAXQ + 1)

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#define NUM_YV12_BUFFERS 4
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typedef struct frame_contexts
{
    vp8_prob bmode_prob [VP8_BINTRAMODES-1];
    vp8_prob ymode_prob [VP8_YMODES-1];   /* interframe intra mode probs */
    vp8_prob uv_mode_prob [VP8_UV_MODES-1];
    vp8_prob sub_mv_ref_prob [VP8_SUBMVREFS-1];
    vp8_prob coef_probs [BLOCK_TYPES] [COEF_BANDS] [PREV_COEF_CONTEXTS] [vp8_coef_tokens-1];
    MV_CONTEXT mvc[2];
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    MV_CONTEXT pre_mvc[2];  /* not to caculate the mvcost for the frame if mvc doesn't change. */
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} FRAME_CONTEXT;

typedef enum
{
    ONE_PARTITION  = 0,
    TWO_PARTITION  = 1,
    FOUR_PARTITION = 2,
    EIGHT_PARTITION = 3
} TOKEN_PARTITION;

typedef enum
{
    RECON_CLAMP_REQUIRED        = 0,
    RECON_CLAMP_NOTREQUIRED     = 1
} CLAMP_TYPE;

typedef enum
{
    SIXTAP   = 0,
    BILINEAR = 1
} INTERPOLATIONFILTERTYPE;

typedef struct VP8_COMMON_RTCD
{
#if CONFIG_RUNTIME_CPU_DETECT
    vp8_idct_rtcd_vtable_t        idct;
    vp8_recon_rtcd_vtable_t       recon;
    vp8_subpix_rtcd_vtable_t      subpix;
    vp8_loopfilter_rtcd_vtable_t  loopfilter;
    vp8_postproc_rtcd_vtable_t    postproc;
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    int                           flags;
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#else
    int unused;
#endif
} VP8_COMMON_RTCD;

typedef struct VP8Common
{
    struct vpx_internal_error_info  error;

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    DECLARE_ALIGNED(16, short, Y1dequant[QINDEX_RANGE][16]);
    DECLARE_ALIGNED(16, short, Y2dequant[QINDEX_RANGE][16]);
    DECLARE_ALIGNED(16, short, UVdequant[QINDEX_RANGE][16]);
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    int Width;
    int Height;
    int horiz_scale;
    int vert_scale;

    YUV_TYPE clr_type;
    CLAMP_TYPE  clamp_type;

    YV12_BUFFER_CONFIG *frame_to_show;
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    YV12_BUFFER_CONFIG yv12_fb[NUM_YV12_BUFFERS];
    int fb_idx_ref_cnt[NUM_YV12_BUFFERS];
    int new_fb_idx, lst_fb_idx, gld_fb_idx, alt_fb_idx;

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    YV12_BUFFER_CONFIG post_proc_buffer;
    YV12_BUFFER_CONFIG temp_scale_frame;

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    FRAME_TYPE last_frame_type;  /* Save last frame's frame type for loopfilter init checking and motion search. */
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    FRAME_TYPE frame_type;

    int show_frame;

    int frame_flags;
    int MBs;
    int mb_rows;
    int mb_cols;
    int mode_info_stride;

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    /* profile settings */
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    int mb_no_coeff_skip;
    int no_lpf;
    int use_bilinear_mc_filter;
    int full_pixel;

    int base_qindex;
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    int last_kf_gf_q;  /* Q used on the last GF or KF */
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    int y1dc_delta_q;
    int y2dc_delta_q;
    int y2ac_delta_q;
    int uvdc_delta_q;
    int uvac_delta_q;

    unsigned int frames_since_golden;
    unsigned int frames_till_alt_ref_frame;

    /* We allocate a MODE_INFO struct for each macroblock, together with
       an extra row on top and column on the left to simplify prediction. */

    MODE_INFO *mip; /* Base of allocated array */
    MODE_INFO *mi;  /* Corresponds to upper left visible macroblock */


    INTERPOLATIONFILTERTYPE mcomp_filter_type;
    LOOPFILTERTYPE last_filter_type;
    LOOPFILTERTYPE filter_type;
    loop_filter_info lf_info[MAX_LOOP_FILTER+1];
    prototype_loopfilter_block((*lf_mbv));
    prototype_loopfilter_block((*lf_mbh));
    prototype_loopfilter_block((*lf_bv));
    prototype_loopfilter_block((*lf_bh));
    int filter_level;
    int last_sharpness_level;
    int sharpness_level;

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    int refresh_last_frame;       /* Two state 0 = NO, 1 = YES */
    int refresh_golden_frame;     /* Two state 0 = NO, 1 = YES */
    int refresh_alt_ref_frame;     /* Two state 0 = NO, 1 = YES */
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    int copy_buffer_to_gf;         /* 0 none, 1 Last to GF, 2 ARF to GF */
    int copy_buffer_to_arf;        /* 0 none, 1 Last to ARF, 2 GF to ARF */
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    int refresh_entropy_probs;    /* Two state 0 = NO, 1 = YES */
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    int ref_frame_sign_bias[MAX_REF_FRAMES];    /* Two state 0, 1 */
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    /* Y,U,V,Y2 */
    ENTROPY_CONTEXT_PLANES *above_context;   /* row of context for each plane */
    ENTROPY_CONTEXT_PLANES left_context;  /* (up to) 4 contexts "" */
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    /* keyframe block modes are predicted by their above, left neighbors */
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    vp8_prob kf_bmode_prob [VP8_BINTRAMODES] [VP8_BINTRAMODES] [VP8_BINTRAMODES-1];
    vp8_prob kf_ymode_prob [VP8_YMODES-1];  /* keyframe "" */
    vp8_prob kf_uv_mode_prob [VP8_UV_MODES-1];


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    FRAME_CONTEXT lfc; /* last frame entropy */
    FRAME_CONTEXT fc;  /* this frame entropy */
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    unsigned int current_video_frame;

    int near_boffset[3];
    int version;

    TOKEN_PARTITION multi_token_partition;

#ifdef PACKET_TESTING
    VP8_HEADER oh;
#endif
    double bitrate;
    double framerate;

#if CONFIG_RUNTIME_CPU_DETECT
    VP8_COMMON_RTCD rtcd;
#endif
    struct postproc_state  postproc_state;
} VP8_COMMON;


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int vp8_adjust_mb_lf_value(MACROBLOCKD *mbd, int filter_level);
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void vp8_init_loop_filter(VP8_COMMON *cm);
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void vp8_frame_init_loop_filter(loop_filter_info *lfi, int frame_type);
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extern void vp8_loop_filter_frame(VP8_COMMON *cm,    MACROBLOCKD *mbd,  int filt_val);

#endif