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      1 /*
      2  *  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
      3  *
      4  *  Use of this source code is governed by a BSD-style license
      5  *  that can be found in the LICENSE file in the root of the source
      6  *  tree. An additional intellectual property rights grant can be found
      7  *  in the file PATENTS.  All contributing project authors may
      8  *  be found in the AUTHORS file in the root of the source tree.
      9  */
     10 
     11 
     12 #ifndef __INC_VP8C_INT_H
     13 #define __INC_VP8C_INT_H
     14 
     15 #include "vpx_config.h"
     16 #include "vpx/internal/vpx_codec_internal.h"
     17 #include "loopfilter.h"
     18 #include "entropymv.h"
     19 #include "entropy.h"
     20 #include "idct.h"
     21 #include "recon.h"
     22 #include "postproc.h"
     23 
     24 //#ifdef PACKET_TESTING
     25 #include "header.h"
     26 //#endif
     27 
     28 /* Create/destroy static data structures. */
     29 
     30 void vp8_initialize_common(void);
     31 
     32 #define MINQ 0
     33 #define MAXQ 127
     34 #define QINDEX_RANGE (MAXQ + 1)
     35 
     36 #define NUM_YV12_BUFFERS 4
     37 
     38 typedef struct frame_contexts
     39 {
     40     vp8_prob bmode_prob [VP8_BINTRAMODES-1];
     41     vp8_prob ymode_prob [VP8_YMODES-1];   /* interframe intra mode probs */
     42     vp8_prob uv_mode_prob [VP8_UV_MODES-1];
     43     vp8_prob sub_mv_ref_prob [VP8_SUBMVREFS-1];
     44     vp8_prob coef_probs [BLOCK_TYPES] [COEF_BANDS] [PREV_COEF_CONTEXTS] [vp8_coef_tokens-1];
     45     MV_CONTEXT mvc[2];
     46     MV_CONTEXT pre_mvc[2];  //not to caculate the mvcost for the frame if mvc doesn't change.
     47 } FRAME_CONTEXT;
     48 
     49 typedef enum
     50 {
     51     ONE_PARTITION  = 0,
     52     TWO_PARTITION  = 1,
     53     FOUR_PARTITION = 2,
     54     EIGHT_PARTITION = 3
     55 } TOKEN_PARTITION;
     56 
     57 typedef enum
     58 {
     59     RECON_CLAMP_REQUIRED        = 0,
     60     RECON_CLAMP_NOTREQUIRED     = 1
     61 } CLAMP_TYPE;
     62 
     63 typedef enum
     64 {
     65     SIXTAP   = 0,
     66     BILINEAR = 1
     67 } INTERPOLATIONFILTERTYPE;
     68 
     69 typedef struct VP8_COMMON_RTCD
     70 {
     71 #if CONFIG_RUNTIME_CPU_DETECT
     72     vp8_idct_rtcd_vtable_t        idct;
     73     vp8_recon_rtcd_vtable_t       recon;
     74     vp8_subpix_rtcd_vtable_t      subpix;
     75     vp8_loopfilter_rtcd_vtable_t  loopfilter;
     76     vp8_postproc_rtcd_vtable_t    postproc;
     77 #else
     78     int unused;
     79 #endif
     80 } VP8_COMMON_RTCD;
     81 
     82 typedef struct VP8Common
     83 {
     84     struct vpx_internal_error_info  error;
     85 
     86     DECLARE_ALIGNED(16, short, Y1dequant[QINDEX_RANGE][4][4]);
     87     DECLARE_ALIGNED(16, short, Y2dequant[QINDEX_RANGE][4][4]);
     88     DECLARE_ALIGNED(16, short, UVdequant[QINDEX_RANGE][4][4]);
     89 
     90     int Width;
     91     int Height;
     92     int horiz_scale;
     93     int vert_scale;
     94 
     95     YUV_TYPE clr_type;
     96     CLAMP_TYPE  clamp_type;
     97 
     98     YV12_BUFFER_CONFIG *frame_to_show;
     99 
    100     YV12_BUFFER_CONFIG yv12_fb[NUM_YV12_BUFFERS];
    101     int fb_idx_ref_cnt[NUM_YV12_BUFFERS];
    102     int new_fb_idx, lst_fb_idx, gld_fb_idx, alt_fb_idx;
    103 
    104     YV12_BUFFER_CONFIG post_proc_buffer;
    105     YV12_BUFFER_CONFIG temp_scale_frame;
    106 
    107     FRAME_TYPE last_frame_type;  //Add to check if vp8_frame_init_loop_filter() can be skipped.
    108     FRAME_TYPE frame_type;
    109 
    110     int show_frame;
    111 
    112     int frame_flags;
    113     int MBs;
    114     int mb_rows;
    115     int mb_cols;
    116     int mode_info_stride;
    117 
    118     // prfile settings
    119     int mb_no_coeff_skip;
    120     int no_lpf;
    121     int simpler_lpf;
    122     int use_bilinear_mc_filter;
    123     int full_pixel;
    124 
    125     int base_qindex;
    126     int last_kf_gf_q;  // Q used on the last GF or KF
    127 
    128     int y1dc_delta_q;
    129     int y2dc_delta_q;
    130     int y2ac_delta_q;
    131     int uvdc_delta_q;
    132     int uvac_delta_q;
    133 
    134     unsigned int frames_since_golden;
    135     unsigned int frames_till_alt_ref_frame;
    136 
    137     /* We allocate a MODE_INFO struct for each macroblock, together with
    138        an extra row on top and column on the left to simplify prediction. */
    139 
    140     MODE_INFO *mip; /* Base of allocated array */
    141     MODE_INFO *mi;  /* Corresponds to upper left visible macroblock */
    142 
    143 
    144     INTERPOLATIONFILTERTYPE mcomp_filter_type;
    145     LOOPFILTERTYPE last_filter_type;
    146     LOOPFILTERTYPE filter_type;
    147     loop_filter_info lf_info[MAX_LOOP_FILTER+1];
    148     prototype_loopfilter_block((*lf_mbv));
    149     prototype_loopfilter_block((*lf_mbh));
    150     prototype_loopfilter_block((*lf_bv));
    151     prototype_loopfilter_block((*lf_bh));
    152     int filter_level;
    153     int last_sharpness_level;
    154     int sharpness_level;
    155 
    156     int refresh_last_frame;       // Two state 0 = NO, 1 = YES
    157     int refresh_golden_frame;     // Two state 0 = NO, 1 = YES
    158     int refresh_alt_ref_frame;     // Two state 0 = NO, 1 = YES
    159 
    160     int copy_buffer_to_gf;         // 0 none, 1 Last to GF, 2 ARF to GF
    161     int copy_buffer_to_arf;        // 0 none, 1 Last to ARF, 2 GF to ARF
    162 
    163     int refresh_entropy_probs;    // Two state 0 = NO, 1 = YES
    164 
    165     int ref_frame_sign_bias[MAX_REF_FRAMES];    // Two state 0, 1
    166 
    167     // Y,U,V,Y2
    168     ENTROPY_CONTEXT_PLANES *above_context;   // row of context for each plane
    169     ENTROPY_CONTEXT_PLANES left_context;  // (up to) 4 contexts ""
    170 
    171 
    172     // keyframe block modes are predicted by their above, left neighbors
    173 
    174     vp8_prob kf_bmode_prob [VP8_BINTRAMODES] [VP8_BINTRAMODES] [VP8_BINTRAMODES-1];
    175     vp8_prob kf_ymode_prob [VP8_YMODES-1];  /* keyframe "" */
    176     vp8_prob kf_uv_mode_prob [VP8_UV_MODES-1];
    177 
    178 
    179     FRAME_CONTEXT lfc; // last frame entropy
    180     FRAME_CONTEXT fc;  // this frame entropy
    181 
    182     unsigned int current_video_frame;
    183 
    184     int near_boffset[3];
    185     int version;
    186 
    187     TOKEN_PARTITION multi_token_partition;
    188 
    189 #ifdef PACKET_TESTING
    190     VP8_HEADER oh;
    191 #endif
    192     double bitrate;
    193     double framerate;
    194 
    195 #if CONFIG_RUNTIME_CPU_DETECT
    196     VP8_COMMON_RTCD rtcd;
    197 #endif
    198     struct postproc_state  postproc_state;
    199 } VP8_COMMON;
    200 
    201 
    202 void vp8_adjust_mb_lf_value(MACROBLOCKD *mbd, int *filter_level);
    203 void vp8_init_loop_filter(VP8_COMMON *cm);
    204 void vp8_frame_init_loop_filter(loop_filter_info *lfi, int frame_type);
    205 extern void vp8_loop_filter_frame(VP8_COMMON *cm,    MACROBLOCKD *mbd,  int filt_val);
    206 
    207 #endif
    208