common/common.h

   1 /*****************************************************************************
   2  * common.h: h264 encoder
   3  *****************************************************************************
   4  * Copyright (C) 2003-2008 x264 project
   5  *
   6  * Authors: Laurent Aimar <fenrir@via.ecp.fr>
   7  *          Loren Merritt <lorenm@u.washington.edu>
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 2 of the License, or
  12  * (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program; if not, write to the Free Software
  21  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02111, USA.
  22  *****************************************************************************/
  23
  24 #ifndef X264_COMMON_H
  25 #define X264_COMMON_H
  26
  27 /****************************************************************************
  28  * Macros
  29  ****************************************************************************/
  30 #define X264_MIN(a,b) ( (a)<(b) ? (a) : (b) )
  31 #define X264_MAX(a,b) ( (a)>(b) ? (a) : (b) )
  32 #define X264_MIN3(a,b,c) X264_MIN((a),X264_MIN((b),(c)))
  33 #define X264_MAX3(a,b,c) X264_MAX((a),X264_MAX((b),(c)))
  34 #define X264_MIN4(a,b,c,d) X264_MIN((a),X264_MIN3((b),(c),(d)))
  35 #define X264_MAX4(a,b,c,d) X264_MAX((a),X264_MAX3((b),(c),(d)))
  36 #define XCHG(type,a,b) do{ type t = a; a = b; b = t; } while(0)
  37 #define FIX8(f) ((int)(f*(1<<8)+.5))
  38
  39 #define CHECKED_MALLOC( var, size )\
  40 {\
  41     var = x264_malloc( size );\
  42     if( !var )\
  43     {\
  44         x264_log( h, X264_LOG_ERROR, "malloc failed\n" );\
  45         goto fail;\
  46     }\
  47 }
  48
  49 #define X264_BFRAME_MAX 16
  50 #define X264_THREAD_MAX 128
  51 #define X264_SLICE_MAX 4
  52 #define X264_NAL_MAX (4 + X264_SLICE_MAX)
  53 #define X264_PCM_COST (386*8)
  54
  55 // number of pixels (per thread) in progress at any given time.
  56 // 16 for the macroblock in progress + 3 for deblocking + 3 for motion compensation filter + 2 for extra safety
  57 #define X264_THREAD_HEIGHT 24
  58
  59 /****************************************************************************
  60  * Includes
  61  ****************************************************************************/
  62 #include "osdep.h"
  63 #include <stdarg.h>
  64 #include <stddef.h>
  65 #include <stdlib.h>
  66 #include <string.h>
  67 #include <assert.h>
  68 #include "x264.h"
  69 #include "bs.h"
  70 #include "set.h"
  71 #include "predict.h"
  72 #include "pixel.h"
  73 #include "mc.h"
  74 #include "frame.h"
  75 #include "dct.h"
  76 #include "cabac.h"
  77 #include "quant.h"
  78
  79 /****************************************************************************
  80  * Generals functions
  81  ****************************************************************************/
  82 /* x264_malloc : will do or emulate a memalign
  83  * you have to use x264_free for buffers allocated with x264_malloc */
  84 void *x264_malloc( int );
  85 void *x264_realloc( void *p, int i_size );
  86 void  x264_free( void * );
  87
  88 /* x264_slurp_file: malloc space for the whole file and read it */
  89 char *x264_slurp_file( const char *filename );
  90
  91 /* mdate: return the current date in microsecond */
  92 int64_t x264_mdate( void );
  93
  94 /* x264_param2string: return a (malloced) string containing most of
  95  * the encoding options */
  96 char *x264_param2string( x264_param_t *p, int b_res );
  97
  98 /* log */
  99 void x264_log( x264_t *h, int i_level, const char *psz_fmt, ... );
 100
 101 void x264_reduce_fraction( int *n, int *d );
 102 void x264_init_vlc_tables();
 103
 104 static inline uint8_t x264_clip_uint8( int x )
 105 {
 106     return x&(~255) ? (-x)>>31 : x;
 107 }
 108
 109 static inline int x264_clip3( int v, int i_min, int i_max )
 110 {
 111     return ( (v < i_min) ? i_min : (v > i_max) ? i_max : v );
 112 }
 113
 114 static inline double x264_clip3f( double v, double f_min, double f_max )
 115 {
 116     return ( (v < f_min) ? f_min : (v > f_max) ? f_max : v );
 117 }
 118
 119 static inline int x264_median( int a, int b, int c )
 120 {
 121     int t = (a-b)&((a-b)>>31);
 122     a -= t;
 123     b += t;
 124     b -= (b-c)&((b-c)>>31);
 125     b += (a-b)&((a-b)>>31);
 126     return b;
 127 }
 128
 129 static inline void x264_median_mv( int16_t *dst, int16_t *a, int16_t *b, int16_t *c )
 130 {
 131     dst[0] = x264_median( a[0], b[0], c[0] );
 132     dst[1] = x264_median( a[1], b[1], c[1] );
 133 }
 134
 135 static inline int x264_predictor_difference( int16_t (*mvc)[2], intptr_t i_mvc )
 136 {
 137     int sum = 0, i;
 138     for( i = 0; i < i_mvc-1; i++ )
 139     {
 140         sum += abs( mvc[i][0] - mvc[i+1][0] )
 141              + abs( mvc[i][1] - mvc[i+1][1] );
 142     }
 143     return sum;
 144 }
 145
 146 /****************************************************************************
 147  *
 148  ****************************************************************************/
 149 enum slice_type_e
 150 {
 151     SLICE_TYPE_P  = 0,
 152     SLICE_TYPE_B  = 1,
 153     SLICE_TYPE_I  = 2,
 154     SLICE_TYPE_SP = 3,
 155     SLICE_TYPE_SI = 4
 156 };
 157
 158 static const char slice_type_to_char[] = { 'P', 'B', 'I', 'S', 'S' };
 159
 160 typedef struct
 161 {
 162     x264_sps_t *sps;
 163     x264_pps_t *pps;
 164
 165     int i_type;
 166     int i_first_mb;
 167     int i_last_mb;
 168
 169     int i_pps_id;
 170
 171     int i_frame_num;
 172
 173     int b_mbaff;
 174     int b_field_pic;
 175     int b_bottom_field;
 176
 177     int i_idr_pic_id;   /* -1 if nal_type != 5 */
 178
 179     int i_poc_lsb;
 180     int i_delta_poc_bottom;
 181
 182     int i_delta_poc[2];
 183     int i_redundant_pic_cnt;
 184
 185     int b_direct_spatial_mv_pred;
 186
 187     int b_num_ref_idx_override;
 188     int i_num_ref_idx_l0_active;
 189     int i_num_ref_idx_l1_active;
 190
 191     int b_ref_pic_list_reordering_l0;
 192     int b_ref_pic_list_reordering_l1;
 193     struct {
 194         int idc;
 195         int arg;
 196     } ref_pic_list_order[2][16];
 197
 198     int i_cabac_init_idc;
 199
 200     int i_qp;
 201     int i_qp_delta;
 202     int b_sp_for_swidth;
 203     int i_qs_delta;
 204
 205     /* deblocking filter */
 206     int i_disable_deblocking_filter_idc;
 207     int i_alpha_c0_offset;
 208     int i_beta_offset;
 209
 210 } x264_slice_header_t;
 211
 212 /* From ffmpeg
 213  */
 214 #define X264_SCAN8_SIZE (6*8)
 215 #define X264_SCAN8_0 (4+1*8)
 216
 217 static const int x264_scan8[16+2*4+3] =
 218 {
 219     /* Luma */
 220     4+1*8, 5+1*8, 4+2*8, 5+2*8,
 221     6+1*8, 7+1*8, 6+2*8, 7+2*8,
 222     4+3*8, 5+3*8, 4+4*8, 5+4*8,
 223     6+3*8, 7+3*8, 6+4*8, 7+4*8,
 224
 225     /* Cb */
 226     1+1*8, 2+1*8,
 227     1+2*8, 2+2*8,
 228
 229     /* Cr */
 230     1+4*8, 2+4*8,
 231     1+5*8, 2+5*8,
 232
 233     /* Luma DC */
 234     4+5*8,
 235
 236     /* Chroma DC */
 237     5+5*8, 6+5*8
 238 };
 239 /*
 240    0 1 2 3 4 5 6 7
 241  0
 242  1   B B   L L L L
 243  2   B B   L L L L
 244  3         L L L L
 245  4   R R   L L L L
 246  5   R R   DyDuDv
 247 */
 248
 249 typedef struct x264_ratecontrol_t   x264_ratecontrol_t;
 250
 251 struct x264_t
 252 {
 253     /* encoder parameters */
 254     x264_param_t    param;
 255
 256     x264_t          *thread[X264_THREAD_MAX];
 257     x264_pthread_t  thread_handle;
 258     int             b_thread_active;
 259     int             i_thread_phase; /* which thread to use for the next frame */
 260
 261     /* bitstream output */
 262     struct
 263     {
 264         int         i_nal;
 265         x264_nal_t  nal[X264_NAL_MAX];
 266         int         i_bitstream;    /* size of p_bitstream */
 267         uint8_t     *p_bitstream;   /* will hold data for all nal */
 268         bs_t        bs;
 269         int         i_frame_size;
 270     } out;
 271
 272     /**** thread synchronization starts here ****/
 273
 274     /* frame number/poc */
 275     int             i_frame;
 276
 277     int             i_frame_offset; /* decoding only */
 278     int             i_frame_num;    /* decoding only */
 279     int             i_poc_msb;      /* decoding only */
 280     int             i_poc_lsb;      /* decoding only */
 281     int             i_poc;          /* decoding only */
 282
 283     int             i_thread_num;   /* threads only */
 284     int             i_nal_type;     /* threads only */
 285     int             i_nal_ref_idc;  /* threads only */
 286
 287     /* We use only one SPS and one PPS */
 288     x264_sps_t      sps_array[1];
 289     x264_sps_t      *sps;
 290     x264_pps_t      pps_array[1];
 291     x264_pps_t      *pps;
 292     int             i_idr_pic_id;
 293
 294     /* quantization matrix for decoding, [cqm][qp%6][coef_y][coef_x] */
 295     int             (*dequant4_mf[4])[4][4]; /* [4][6][4][4] */
 296     int             (*dequant8_mf[2])[8][8]; /* [2][6][8][8] */
 297     /* quantization matrix for trellis, [cqm][qp][coef] */
 298     int             (*unquant4_mf[4])[16];   /* [4][52][16] */
 299     int             (*unquant8_mf[2])[64];   /* [2][52][64] */
 300     /* quantization matrix for deadzone */
 301     uint16_t        (*quant4_mf[4])[16];     /* [4][52][16] */
 302     uint16_t        (*quant8_mf[2])[64];     /* [2][52][64] */
 303     uint16_t        (*quant4_bias[4])[16];   /* [4][52][16] */
 304     uint16_t        (*quant8_bias[2])[64];   /* [2][52][64] */
 305
 306     const uint8_t   *chroma_qp_table; /* includes both the nonlinear luma->chroma mapping and chroma_qp_offset */
 307
 308     DECLARE_ALIGNED_16( uint32_t nr_residual_sum[2][64] );
 309     DECLARE_ALIGNED_16( uint16_t nr_offset[2][64] );
 310     uint32_t        nr_count[2];
 311
 312     /* Slice header */
 313     x264_slice_header_t sh;
 314
 315     /* cabac context */
 316     x264_cabac_t    cabac;
 317
 318     struct
 319     {
 320         /* Frames to be encoded (whose types have been decided) */
 321         x264_frame_t *current[X264_BFRAME_MAX*4+3];
 322         /* Temporary buffer (frames types not yet decided) */
 323         x264_frame_t *next[X264_BFRAME_MAX*4+3];
 324         /* Unused frames */
 325         x264_frame_t *unused[X264_BFRAME_MAX*4 + X264_THREAD_MAX*2 + 16+4];
 326         /* For adaptive B decision */
 327         x264_frame_t *last_nonb;
 328
 329         /* frames used for reference + sentinels */
 330         x264_frame_t *reference[16+2];
 331
 332         int i_last_idr; /* Frame number of the last IDR */
 333
 334         int i_input;    /* Number of input frames already accepted */
 335
 336         int i_max_dpb;  /* Number of frames allocated in the decoded picture buffer */
 337         int i_max_ref0;
 338         int i_max_ref1;
 339         int i_delay;    /* Number of frames buffered for B reordering */
 340         int b_have_lowres;  /* Whether 1/2 resolution luma planes are being used */
 341     } frames;
 342
 343     /* current frame being encoded */
 344     x264_frame_t    *fenc;
 345
 346     /* frame being reconstructed */
 347     x264_frame_t    *fdec;
 348
 349     /* references lists */
 350     int             i_ref0;
 351     x264_frame_t    *fref0[16+3];     /* ref list 0 */
 352     int             i_ref1;
 353     x264_frame_t    *fref1[16+3];     /* ref list 1 */
 354     int             b_ref_reorder[2];
 355
 356
 357
 358     /* Current MB DCT coeffs */
 359     struct
 360     {
 361         DECLARE_ALIGNED_16( int16_t luma16x16_dc[16] );
 362         DECLARE_ALIGNED_16( int16_t chroma_dc[2][4] );
 363         // FIXME share memory?
 364         DECLARE_ALIGNED_16( int16_t luma8x8[4][64] );
 365         DECLARE_ALIGNED_16( int16_t luma4x4[16+8][16] );
 366     } dct;
 367
 368     /* MB table and cache for current frame/mb */
 369     struct
 370     {
 371         int     i_mb_count;                 /* number of mbs in a frame */
 372
 373         /* Strides */
 374         int     i_mb_stride;
 375         int     i_b8_stride;
 376         int     i_b4_stride;
 377
 378         /* Current index */
 379         int     i_mb_x;
 380         int     i_mb_y;
 381         int     i_mb_xy;
 382         int     i_b8_xy;
 383         int     i_b4_xy;
 384
 385         /* Search parameters */
 386         int     i_me_method;
 387         int     i_subpel_refine;
 388         int     b_chroma_me;
 389         int     b_trellis;
 390         int     b_noise_reduction;
 391         int     i_psy_rd; /* Psy RD strength--fixed point value*/
 392         int     i_psy_trellis; /* Psy trellis strength--fixed point value*/
 393
 394         int     b_interlaced;
 395
 396         /* Allowed qpel MV range to stay within the picture + emulated edge pixels */
 397         int     mv_min[2];
 398         int     mv_max[2];
 399         /* Subpel MV range for motion search.
 400          * same mv_min/max but includes levels' i_mv_range. */
 401         int     mv_min_spel[2];
 402         int     mv_max_spel[2];
 403         /* Fullpel MV range for motion search */
 404         int     mv_min_fpel[2];
 405         int     mv_max_fpel[2];
 406
 407         /* neighboring MBs */
 408         unsigned int i_neighbour;
 409         unsigned int i_neighbour8[4];       /* neighbours of each 8x8 or 4x4 block that are available */
 410         unsigned int i_neighbour4[16];      /* at the time the block is coded */
 411         int     i_mb_type_top;
 412         int     i_mb_type_left;
 413         int     i_mb_type_topleft;
 414         int     i_mb_type_topright;
 415         int     i_mb_prev_xy;
 416         int     i_mb_top_xy;
 417
 418         /**** thread synchronization ends here ****/
 419         /* subsequent variables are either thread-local or constant,
 420          * and won't be copied from one thread to another */
 421
 422         /* mb table */
 423         int8_t  *type;                      /* mb type */
 424         int8_t  *qp;                        /* mb qp */
 425         int16_t *cbp;                       /* mb cbp: 0x0?: luma, 0x?0: chroma, 0x100: luma dc, 0x0200 and 0x0400: chroma dc  (all set for PCM)*/
 426         int8_t  (*intra4x4_pred_mode)[8];   /* intra4x4 pred mode. for non I4x4 set to I_PRED_4x4_DC(2) */
 427                                             /* actually has only 7 entries; set to 8 for write-combining optimizations */
 428         uint8_t (*non_zero_count)[16+4+4];  /* nzc. for I_PCM set to 16 */
 429         int8_t  *chroma_pred_mode;          /* chroma_pred_mode. cabac only. for non intra I_PRED_CHROMA_DC(0) */
 430         int16_t (*mv[2])[2];                /* mb mv. set to 0 for intra mb */
 431         int16_t (*mvd[2])[2];               /* mb mv difference with predict. set to 0 if intra. cabac only */
 432         int8_t   *ref[2];                   /* mb ref. set to -1 if non used (intra or Lx only) */
 433         int16_t (*mvr[2][32])[2];           /* 16x16 mv for each possible ref */
 434         int8_t  *skipbp;                    /* block pattern for SKIP or DIRECT (sub)mbs. B-frames + cabac only */
 435         int8_t  *mb_transform_size;         /* transform_size_8x8_flag of each mb */
 436         uint8_t *intra_border_backup[2][3]; /* bottom pixels of the previous mb row, used for intra prediction after the framebuffer has been deblocked */
 437         uint8_t (*nnz_backup)[16];          /* when using cavlc + 8x8dct, the deblocker uses a modified nnz */
 438
 439         /* current value */
 440         int     i_type;
 441         int     i_partition;
 442         int     i_sub_partition[4];
 443         int     b_transform_8x8;
 444
 445         int     i_cbp_luma;
 446         int     i_cbp_chroma;
 447
 448         int     i_intra16x16_pred_mode;
 449         int     i_chroma_pred_mode;
 450
 451         /* skip flags for i4x4 and i8x8
 452          * 0 = encode as normal.
 453          * 1 (non-RD only) = the DCT is still in h->dct, restore fdec and skip reconstruction.
 454          * 2 (RD only) = the DCT has since been overwritten by RD; restore that too. */
 455         int i_skip_intra;
 456         /* skip flag for motion compensation */
 457         /* if we've already done MC, we don't need to do it again */
 458         int b_skip_mc;
 459
 460         struct
 461         {
 462             /* space for p_fenc and p_fdec */
 463 #define FENC_STRIDE 16
 464 #define FDEC_STRIDE 32
 465             DECLARE_ALIGNED_16( uint8_t fenc_buf[24*FENC_STRIDE] );
 466             DECLARE_ALIGNED_16( uint8_t fdec_buf[27*FDEC_STRIDE] );
 467
 468             /* i4x4 and i8x8 backup data, for skipping the encode stage when possible */
 469             DECLARE_ALIGNED_16( uint8_t i4x4_fdec_buf[16*16] );
 470             DECLARE_ALIGNED_16( uint8_t i8x8_fdec_buf[16*16] );
 471             DECLARE_ALIGNED_16( int16_t i8x8_dct_buf[3][64] );
 472             DECLARE_ALIGNED_16( int16_t i4x4_dct_buf[15][16] );
 473
 474             /* Psy trellis DCT data */
 475             DECLARE_ALIGNED_16( int16_t fenc_dct8[4][64] );
 476             DECLARE_ALIGNED_16( int16_t fenc_dct4[16][16] );
 477
 478             /* Psy RD SATD scores */
 479             int fenc_satd[4][4];
 480             int fenc_satd_sum;
 481             int fenc_sa8d[2][2];
 482             int fenc_sa8d_sum;
 483
 484             /* pointer over mb of the frame to be compressed */
 485             uint8_t *p_fenc[3];
 486             /* pointer to the actual source frame, not a block copy */
 487             uint8_t *p_fenc_plane[3];
 488
 489             /* pointer over mb of the frame to be reconstructed  */
 490             uint8_t *p_fdec[3];
 491
 492             /* pointer over mb of the references */
 493             int i_fref[2];
 494             uint8_t *p_fref[2][32][4+2]; /* last: lN, lH, lV, lHV, cU, cV */
 495             uint16_t *p_integral[2][16];
 496
 497             /* fref stride */
 498             int     i_stride[3];
 499         } pic;
 500
 501         /* cache */
 502         struct
 503         {
 504             /* real intra4x4_pred_mode if I_4X4 or I_8X8, I_PRED_4x4_DC if mb available, -1 if not */
 505             int8_t  intra4x4_pred_mode[X264_SCAN8_SIZE];
 506
 507             /* i_non_zero_count if available else 0x80 */
 508             uint8_t non_zero_count[X264_SCAN8_SIZE];
 509
 510             /* -1 if unused, -2 if unavailable */
 511             DECLARE_ALIGNED_4( int8_t ref[2][X264_SCAN8_SIZE] );
 512
 513             /* 0 if not available */
 514             DECLARE_ALIGNED_16( int16_t mv[2][X264_SCAN8_SIZE][2] );
 515             DECLARE_ALIGNED_8( int16_t mvd[2][X264_SCAN8_SIZE][2] );
 516
 517             /* 1 if SKIP or DIRECT. set only for B-frames + CABAC */
 518             DECLARE_ALIGNED_4( int8_t skip[X264_SCAN8_SIZE] );
 519
 520             DECLARE_ALIGNED_16( int16_t direct_mv[2][X264_SCAN8_SIZE][2] );
 521             DECLARE_ALIGNED_4( int8_t  direct_ref[2][X264_SCAN8_SIZE] );
 522             DECLARE_ALIGNED_4( int16_t pskip_mv[2] );
 523
 524             /* number of neighbors (top and left) that used 8x8 dct */
 525             int     i_neighbour_transform_size;
 526             int     i_neighbour_interlaced;
 527         } cache;
 528
 529         /* */
 530         int     i_qp;       /* current qp */
 531         int     i_chroma_qp;
 532         int     i_last_qp;  /* last qp */
 533         int     i_last_dqp; /* last delta qp */
 534         int     b_variable_qp; /* whether qp is allowed to vary per macroblock */
 535         int     b_lossless;
 536         int     b_direct_auto_read; /* take stats for --direct auto from the 2pass log */
 537         int     b_direct_auto_write; /* analyse direct modes, to use and/or save */
 538
 539         /* B_direct and weighted prediction */
 540         int16_t dist_scale_factor[16][2];
 541         int16_t bipred_weight[32][4];
 542         /* maps fref1[0]'s ref indices into the current list0 */
 543         int8_t  map_col_to_list0_buf[2]; // for negative indices
 544         int8_t  map_col_to_list0[16];
 545     } mb;
 546
 547     /* rate control encoding only */
 548     x264_ratecontrol_t *rc;
 549
 550     /* stats */
 551     struct
 552     {
 553         /* Current frame stats */
 554         struct
 555         {
 556             /* MV bits (MV+Ref+Block Type) */
 557             int i_mv_bits;
 558             /* Texture bits (DCT coefs) */
 559             int i_tex_bits;
 560             /* ? */
 561             int i_misc_bits;
 562             /* MB type counts */
 563             int i_mb_count[19];
 564             int i_mb_count_i;
 565             int i_mb_count_p;
 566             int i_mb_count_skip;
 567             int i_mb_count_8x8dct[2];
 568             int i_mb_count_ref[2][32];
 569             int i_mb_partition[17];
 570             /* Estimated (SATD) cost as Intra/Predicted frame */
 571             /* XXX: both omit the cost of MBs coded as P_SKIP */
 572             int i_intra_cost;
 573             int i_inter_cost;
 574             int i_mbs_analysed;
 575             /* Adaptive direct mv pred */
 576             int i_direct_score[2];
 577             /* Metrics */
 578             int64_t i_ssd[3];
 579             double f_ssim;
 580         } frame;
 581
 582         /* Cumulated stats */
 583
 584         /* per slice info */
 585         int     i_slice_count[5];
 586         int64_t i_slice_size[5];
 587         double  f_slice_qp[5];
 588         int     i_consecutive_bframes[X264_BFRAME_MAX+1];
 589         /* */
 590         int64_t i_ssd_global[5];
 591         double  f_psnr_average[5];
 592         double  f_psnr_mean_y[5];
 593         double  f_psnr_mean_u[5];
 594         double  f_psnr_mean_v[5];
 595         double  f_ssim_mean_y[5];
 596         /* */
 597         int64_t i_mb_count[5][19];
 598         int64_t i_mb_partition[2][17];
 599         int64_t i_mb_count_8x8dct[2];
 600         int64_t i_mb_count_ref[2][2][32];
 601         /* */
 602         int     i_direct_score[2];
 603         int     i_direct_frames[2];
 604
 605     } stat;
 606
 607     /* CPU functions dependents */
 608     x264_predict_t      predict_16x16[4+3];
 609     x264_predict_t      predict_8x8c[4+3];
 610     x264_predict8x8_t   predict_8x8[9+3];
 611     x264_predict_t      predict_4x4[9+3];
 612
 613     x264_pixel_function_t pixf;
 614     x264_mc_functions_t   mc;
 615     x264_dct_function_t   dctf;
 616     x264_zigzag_function_t zigzagf;
 617     x264_quant_function_t quantf;
 618     x264_deblock_function_t loopf;
 619
 620 #if VISUALIZE
 621     struct visualize_t *visualize;
 622 #endif
 623 };
 624
 625 // included at the end because it needs x264_t
 626 #include "macroblock.h"
 627
 628 #ifdef HAVE_MMX
 629 #include "x86/util.h"
 630 #endif
 631
 632 #endif
 633