1 /*****************************************************************************
2 * common.h: h264 encoder
3 *****************************************************************************
4 * Copyright (C) 2003-2008 x264 project
6 * Authors: Laurent Aimar <fenrir@via.ecp.fr>
7 * Loren Merritt <lorenm@u.washington.edu>
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.
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.
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 *****************************************************************************/
27 /****************************************************************************
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 IS_DISPOSABLE(type) ( type == X264_TYPE_B )
38 #define FIX8(f) ((int)(f*(1<<8)+.5))
40 #define CHECKED_MALLOC( var, size )\
42 var = x264_malloc( size );\
46 #define CHECKED_MALLOCZERO( var, size )\
48 CHECKED_MALLOC( var, size );\
49 memset( var, 0, size );\
52 #define X264_BFRAME_MAX 16
53 #define X264_THREAD_MAX 128
54 #define X264_PCM_COST (386*8)
55 #define X264_LOOKAHEAD_MAX 250
56 // arbitrary, but low because SATD scores are 1/4 normal
57 #define X264_LOOKAHEAD_QP 12
59 // number of pixels (per thread) in progress at any given time.
60 // 16 for the macroblock in progress + 3 for deblocking + 3 for motion compensation filter + 2 for extra safety
61 #define X264_THREAD_HEIGHT 24
63 /* WEIGHTP_FAKE is set when mb_tree & psy are enabled, but normal weightp is disabled
64 * (such as in baseline). It checks for fades in lookahead and adjusts qp accordingly
65 * to increase quality. Defined as (-1) so that if(i_weighted_pred > 0) is true only when
66 * real weights are being used. */
68 #define X264_WEIGHTP_FAKE (-1)
70 #define NALU_OVERHEAD 5 // startcode + NAL type costs 5 bytes per frame
71 #define FILLER_OVERHEAD (NALU_OVERHEAD+1)
73 /****************************************************************************
75 ****************************************************************************/
84 /* Unions for type-punning.
85 * Mn: load or store n bits, aligned, native-endian
86 * CPn: copy n bits, aligned, native-endian
87 * we don't use memcpy for CPn because memcpy's args aren't assumed to be aligned */
88 typedef union { uint16_t i; uint8_t c[2]; } MAY_ALIAS x264_union16_t;
89 typedef union { uint32_t i; uint16_t b[2]; uint8_t c[4]; } MAY_ALIAS x264_union32_t;
90 typedef union { uint64_t i; uint32_t a[2]; uint16_t b[4]; uint8_t c[8]; } MAY_ALIAS x264_union64_t;
91 typedef struct { uint64_t i[2]; } x264_uint128_t;
92 typedef union { x264_uint128_t i; uint64_t a[2]; uint32_t b[4]; uint16_t c[8]; uint8_t d[16]; } MAY_ALIAS x264_union128_t;
93 #define M16(src) (((x264_union16_t*)(src))->i)
94 #define M32(src) (((x264_union32_t*)(src))->i)
95 #define M64(src) (((x264_union64_t*)(src))->i)
96 #define M128(src) (((x264_union128_t*)(src))->i)
97 #define M128_ZERO ((x264_uint128_t){{0,0}})
98 #define CP16(dst,src) M16(dst) = M16(src)
99 #define CP32(dst,src) M32(dst) = M32(src)
100 #define CP64(dst,src) M64(dst) = M64(src)
101 #define CP128(dst,src) M128(dst) = M128(src)
114 /****************************************************************************
116 ****************************************************************************/
117 /* x264_malloc : will do or emulate a memalign
118 * you have to use x264_free for buffers allocated with x264_malloc */
119 void *x264_malloc( int );
120 void x264_free( void * );
122 /* x264_slurp_file: malloc space for the whole file and read it */
123 char *x264_slurp_file( const char *filename );
125 /* mdate: return the current date in microsecond */
126 int64_t x264_mdate( void );
128 /* x264_param2string: return a (malloced) string containing most of
129 * the encoding options */
130 char *x264_param2string( x264_param_t *p, int b_res );
132 int x264_nal_encode( uint8_t *dst, x264_nal_t *nal, int b_annexb, int b_long_startcode );
135 void x264_log( x264_t *h, int i_level, const char *psz_fmt, ... );
137 void x264_reduce_fraction( uint32_t *n, uint32_t *d );
138 void x264_init_vlc_tables();
140 static ALWAYS_INLINE uint8_t x264_clip_uint8( int x )
142 return x&(~255) ? (-x)>>31 : x;
145 static ALWAYS_INLINE int x264_clip3( int v, int i_min, int i_max )
147 return ( (v < i_min) ? i_min : (v > i_max) ? i_max : v );
150 static ALWAYS_INLINE double x264_clip3f( double v, double f_min, double f_max )
152 return ( (v < f_min) ? f_min : (v > f_max) ? f_max : v );
155 static ALWAYS_INLINE int x264_median( int a, int b, int c )
157 int t = (a-b)&((a-b)>>31);
160 b -= (b-c)&((b-c)>>31);
161 b += (a-b)&((a-b)>>31);
165 static ALWAYS_INLINE void x264_median_mv( int16_t *dst, int16_t *a, int16_t *b, int16_t *c )
167 dst[0] = x264_median( a[0], b[0], c[0] );
168 dst[1] = x264_median( a[1], b[1], c[1] );
171 static ALWAYS_INLINE int x264_predictor_difference( int16_t (*mvc)[2], intptr_t i_mvc )
174 for( int i = 0; i < i_mvc-1; i++ )
176 sum += abs( mvc[i][0] - mvc[i+1][0] )
177 + abs( mvc[i][1] - mvc[i+1][1] );
182 static ALWAYS_INLINE uint16_t x264_cabac_mvd_sum( uint8_t *mvdleft, uint8_t *mvdtop )
184 int amvd0 = abs(mvdleft[0]) + abs(mvdtop[0]);
185 int amvd1 = abs(mvdleft[1]) + abs(mvdtop[1]);
186 amvd0 = (amvd0 > 2) + (amvd0 > 32);
187 amvd1 = (amvd1 > 2) + (amvd1 > 32);
188 return amvd0 + (amvd1<<8);
191 static void ALWAYS_INLINE x264_predictor_roundclip( int16_t (*mvc)[2], int i_mvc, int mv_x_min, int mv_x_max, int mv_y_min, int mv_y_max )
193 for( int i = 0; i < i_mvc; i++ )
195 int mx = (mvc[i][0] + 2) >> 2;
196 int my = (mvc[i][1] + 2) >> 2;
197 mvc[i][0] = x264_clip3( mx, mv_x_min, mv_x_max );
198 mvc[i][1] = x264_clip3( my, mv_y_min, mv_y_max );
202 extern const uint8_t x264_exp2_lut[64];
203 extern const float x264_log2_lut[128];
204 extern const float x264_log2_lz_lut[32];
206 /* Not a general-purpose function; multiplies input by -1/6 to convert
208 static ALWAYS_INLINE int x264_exp2fix8( float x )
210 int i = x*(-64.f/6.f) + 512.5f;
211 if( i < 0 ) return 0;
212 if( i > 1023 ) return 0xffff;
213 return (x264_exp2_lut[i&63]+256) << (i>>6) >> 8;
216 static ALWAYS_INLINE float x264_log2( uint32_t x )
218 int lz = x264_clz( x );
219 return x264_log2_lut[(x<<lz>>24)&0x7f] + x264_log2_lz_lut[lz];
222 /****************************************************************************
224 ****************************************************************************/
234 static const char slice_type_to_char[] = { 'P', 'B', 'I', 'S', 'S' };
236 enum sei_payload_type_e
238 SEI_BUFFERING_PERIOD = 0,
240 SEI_PAN_SCAN_RECT = 2,
242 SEI_USER_DATA_REGISTERED = 4,
243 SEI_USER_DATA_UNREGISTERED = 5,
244 SEI_RECOVERY_POINT = 6,
264 int i_idr_pic_id; /* -1 if nal_type != 5 */
267 int i_delta_poc_bottom;
270 int i_redundant_pic_cnt;
272 int b_direct_spatial_mv_pred;
274 int b_num_ref_idx_override;
275 int i_num_ref_idx_l0_active;
276 int i_num_ref_idx_l1_active;
278 int b_ref_pic_list_reordering_l0;
279 int b_ref_pic_list_reordering_l1;
284 } ref_pic_list_order[2][16];
286 /* P-frame weighting */
287 x264_weight_t weight[32][3];
289 int i_mmco_remove_from_end;
290 int i_mmco_command_count;
291 struct /* struct for future expansion */
293 int i_difference_of_pic_nums;
297 int i_cabac_init_idc;
304 /* deblocking filter */
305 int i_disable_deblocking_filter_idc;
306 int i_alpha_c0_offset;
309 } x264_slice_header_t;
311 typedef struct x264_lookahead_t
313 volatile uint8_t b_exit_thread;
314 uint8_t b_thread_active;
315 uint8_t b_analyse_keyframe;
317 int i_slicetype_length;
318 x264_frame_t *last_nonb;
319 x264_synch_frame_list_t ifbuf;
320 x264_synch_frame_list_t next;
321 x264_synch_frame_list_t ofbuf;
326 #define X264_SCAN8_SIZE (6*8)
327 #define X264_SCAN8_LUMA_SIZE (5*8)
328 #define X264_SCAN8_0 (4+1*8)
330 static const int x264_scan8[16+2*4+3] =
333 4+1*8, 5+1*8, 4+2*8, 5+2*8,
334 6+1*8, 7+1*8, 6+2*8, 7+2*8,
335 4+3*8, 5+3*8, 4+4*8, 5+4*8,
336 6+3*8, 7+3*8, 6+4*8, 7+4*8,
362 typedef struct x264_ratecontrol_t x264_ratecontrol_t;
366 /* encoder parameters */
369 x264_t *thread[X264_THREAD_MAX+1];
370 x264_pthread_t thread_handle;
372 int i_thread_phase; /* which thread to use for the next frame */
373 int i_threadslice_start; /* first row in this thread slice */
374 int i_threadslice_end; /* row after the end of this thread slice */
376 /* bitstream output */
380 int i_nals_allocated;
382 int i_bitstream; /* size of p_bitstream */
383 uint8_t *p_bitstream; /* will hold data for all nal */
390 /**** thread synchronization starts here ****/
392 /* frame number/poc */
396 int i_thread_frames; /* Number of different frames being encoded by threads;
397 * 1 when sliced-threads is on. */
401 int i_disp_fields; /* Number of displayed fields (both coded and implied via pic_struct) */
402 int i_disp_fields_last_frame;
403 int i_prev_duration; /* Duration of previous frame */
404 int i_coded_fields; /* Number of coded fields (both coded and implied via pic_struct) */
405 int i_cpb_delay; /* Equal to number of fields preceding this field
406 * since last buffering_period SEI */
407 int i_coded_fields_lookahead; /* Use separate counters for lookahead */
408 int i_cpb_delay_lookahead;
410 /* We use only one SPS and one PPS */
411 x264_sps_t sps_array[1];
413 x264_pps_t pps_array[1];
417 /* Timebase multiplier for DTS compression */
418 int i_dts_compress_multiplier;
420 /* quantization matrix for decoding, [cqm][qp%6][coef] */
421 int (*dequant4_mf[4])[16]; /* [4][6][16] */
422 int (*dequant8_mf[2])[64]; /* [2][6][64] */
423 /* quantization matrix for trellis, [cqm][qp][coef] */
424 int (*unquant4_mf[4])[16]; /* [4][52][16] */
425 int (*unquant8_mf[2])[64]; /* [2][52][64] */
426 /* quantization matrix for deadzone */
427 uint16_t (*quant4_mf[4])[16]; /* [4][52][16] */
428 uint16_t (*quant8_mf[2])[64]; /* [2][52][64] */
429 uint16_t (*quant4_bias[4])[16]; /* [4][52][16] */
430 uint16_t (*quant8_bias[2])[64]; /* [2][52][64] */
432 /* mv/ref cost arrays. Indexed by lambda instead of
433 * qp because, due to rounding, some quantizers share
434 * lambdas. This saves memory. */
435 uint16_t *cost_mv[92];
436 uint16_t *cost_mv_fpel[92][4];
438 const uint8_t *chroma_qp_table; /* includes both the nonlinear luma->chroma mapping and chroma_qp_offset */
441 x264_slice_header_t sh;
448 /* Frames to be encoded (whose types have been decided) */
449 x264_frame_t **current;
450 /* Unused frames: 0 = fenc, 1 = fdec */
451 x264_frame_t **unused[2];
453 /* Unused blank frames (for duplicates) */
454 x264_frame_t **blank_unused;
456 /* frames used for reference + sentinels */
457 x264_frame_t *reference[16+2];
459 int i_last_keyframe; /* Frame number of the last keyframe */
461 int i_input; /* Number of input frames already accepted */
463 int i_max_dpb; /* Number of frames allocated in the decoded picture buffer */
466 int i_delay; /* Number of frames buffered for B reordering */
468 int64_t i_bframe_delay_time;
469 int64_t i_init_delta;
470 int64_t i_prev_reordered_pts[2];
471 int64_t i_largest_pts;
472 int64_t i_second_largest_pts;
473 int b_have_lowres; /* Whether 1/2 resolution luma planes are being used */
474 int b_have_sub8x8_esa;
477 /* current frame being encoded */
480 /* frame being reconstructed */
483 /* references lists */
485 x264_frame_t *fref0[16+3]; /* ref list 0 */
487 x264_frame_t *fref1[16+3]; /* ref list 1 */
488 int b_ref_reorder[2];
491 int initial_cpb_removal_delay;
492 int initial_cpb_removal_delay_offset;
495 /* Current MB DCT coeffs */
498 ALIGNED_16( int16_t luma16x16_dc[16] );
499 ALIGNED_16( int16_t chroma_dc[2][4] );
500 // FIXME share memory?
501 ALIGNED_16( int16_t luma8x8[4][64] );
502 ALIGNED_16( int16_t luma4x4[16+8][16] );
505 /* MB table and cache for current frame/mb */
508 int i_mb_count; /* number of mbs in a frame */
522 /* Search parameters */
527 int b_noise_reduction;
529 int i_psy_rd; /* Psy RD strength--fixed point value*/
530 int i_psy_trellis; /* Psy trellis strength--fixed point value*/
534 /* Allowed qpel MV range to stay within the picture + emulated edge pixels */
537 /* Subpel MV range for motion search.
538 * same mv_min/max but includes levels' i_mv_range. */
541 /* Fullpel MV range for motion search */
545 /* neighboring MBs */
546 unsigned int i_neighbour;
547 unsigned int i_neighbour8[4]; /* neighbours of each 8x8 or 4x4 block that are available */
548 unsigned int i_neighbour4[16]; /* at the time the block is coded */
549 unsigned int i_neighbour_intra; /* for constrained intra pred */
550 unsigned int i_neighbour_frame; /* ignoring slice boundaries */
553 int i_mb_type_topleft;
554 int i_mb_type_topright;
559 int i_mb_topright_xy;
561 /**** thread synchronization ends here ****/
562 /* subsequent variables are either thread-local or constant,
563 * and won't be copied from one thread to another */
566 int8_t *type; /* mb type */
567 uint8_t *partition; /* mb partition */
568 int8_t *qp; /* mb qp */
569 int16_t *cbp; /* mb cbp: 0x0?: luma, 0x?0: chroma, 0x100: luma dc, 0x0200 and 0x0400: chroma dc (all set for PCM)*/
570 int8_t (*intra4x4_pred_mode)[8]; /* intra4x4 pred mode. for non I4x4 set to I_PRED_4x4_DC(2) */
571 /* actually has only 7 entries; set to 8 for write-combining optimizations */
572 uint8_t (*non_zero_count)[16+4+4]; /* nzc. for I_PCM set to 16 */
573 int8_t *chroma_pred_mode; /* chroma_pred_mode. cabac only. for non intra I_PRED_CHROMA_DC(0) */
574 int16_t (*mv[2])[2]; /* mb mv. set to 0 for intra mb */
575 uint8_t (*mvd[2])[8][2]; /* absolute value of mb mv difference with predict, clipped to [0,33]. set to 0 if intra. cabac only */
576 int8_t *ref[2]; /* mb ref. set to -1 if non used (intra or Lx only) */
577 int16_t (*mvr[2][32])[2]; /* 16x16 mv for each possible ref */
578 int8_t *skipbp; /* block pattern for SKIP or DIRECT (sub)mbs. B-frames + cabac only */
579 int8_t *mb_transform_size; /* transform_size_8x8_flag of each mb */
580 uint16_t *slice_table; /* sh->first_mb of the slice that the indexed mb is part of
581 * NOTE: this will fail on resolutions above 2^16 MBs... */
583 /* buffer for weighted versions of the reference frames */
584 uint8_t *p_weight_buf[16];
589 ALIGNED_4( uint8_t i_sub_partition[4] );
595 int i_intra16x16_pred_mode;
596 int i_chroma_pred_mode;
598 /* skip flags for i4x4 and i8x8
599 * 0 = encode as normal.
600 * 1 (non-RD only) = the DCT is still in h->dct, restore fdec and skip reconstruction.
601 * 2 (RD only) = the DCT has since been overwritten by RD; restore that too. */
603 /* skip flag for motion compensation */
604 /* if we've already done MC, we don't need to do it again */
606 /* set to true if we are re-encoding a macroblock. */
608 int ip_offset; /* Used by PIR to offset the quantizer of intra-refresh blocks. */
612 /* space for p_fenc and p_fdec */
613 #define FENC_STRIDE 16
614 #define FDEC_STRIDE 32
615 ALIGNED_16( uint8_t fenc_buf[24*FENC_STRIDE] );
616 ALIGNED_16( uint8_t fdec_buf[27*FDEC_STRIDE] );
618 /* i4x4 and i8x8 backup data, for skipping the encode stage when possible */
619 ALIGNED_16( uint8_t i4x4_fdec_buf[16*16] );
620 ALIGNED_16( uint8_t i8x8_fdec_buf[16*16] );
621 ALIGNED_16( int16_t i8x8_dct_buf[3][64] );
622 ALIGNED_16( int16_t i4x4_dct_buf[15][16] );
623 uint32_t i4x4_nnz_buf[4];
624 uint32_t i8x8_nnz_buf[4];
628 /* Psy trellis DCT data */
629 ALIGNED_16( int16_t fenc_dct8[4][64] );
630 ALIGNED_16( int16_t fenc_dct4[16][16] );
632 /* Psy RD SATD/SA8D scores cache */
633 ALIGNED_16( uint64_t fenc_hadamard_cache[9] );
634 ALIGNED_16( uint32_t fenc_satd_cache[32] );
636 /* pointer over mb of the frame to be compressed */
638 /* pointer to the actual source frame, not a block copy */
639 uint8_t *p_fenc_plane[3];
641 /* pointer over mb of the frame to be reconstructed */
644 /* pointer over mb of the references */
646 uint8_t *p_fref[2][32][4+2]; /* last: lN, lH, lV, lHV, cU, cV */
647 uint8_t *p_fref_w[32]; /* weighted fullpel luma */
648 uint16_t *p_integral[2][16];
657 /* real intra4x4_pred_mode if I_4X4 or I_8X8, I_PRED_4x4_DC if mb available, -1 if not */
658 ALIGNED_8( int8_t intra4x4_pred_mode[X264_SCAN8_LUMA_SIZE] );
660 /* i_non_zero_count if available else 0x80 */
661 ALIGNED_4( uint8_t non_zero_count[X264_SCAN8_SIZE] );
663 /* -1 if unused, -2 if unavailable */
664 ALIGNED_4( int8_t ref[2][X264_SCAN8_LUMA_SIZE] );
666 /* 0 if not available */
667 ALIGNED_16( int16_t mv[2][X264_SCAN8_LUMA_SIZE][2] );
668 ALIGNED_8( uint8_t mvd[2][X264_SCAN8_LUMA_SIZE][2] );
670 /* 1 if SKIP or DIRECT. set only for B-frames + CABAC */
671 ALIGNED_4( int8_t skip[X264_SCAN8_LUMA_SIZE] );
673 ALIGNED_4( int16_t direct_mv[2][4][2] );
674 ALIGNED_4( int8_t direct_ref[2][4] );
675 int direct_partition;
676 ALIGNED_4( int16_t pskip_mv[2] );
678 /* number of neighbors (top and left) that used 8x8 dct */
679 int i_neighbour_transform_size;
680 int i_neighbour_interlaced;
688 int i_qp; /* current qp */
690 int i_last_qp; /* last qp */
691 int i_last_dqp; /* last delta qp */
692 int b_variable_qp; /* whether qp is allowed to vary per macroblock */
694 int b_direct_auto_read; /* take stats for --direct auto from the 2pass log */
695 int b_direct_auto_write; /* analyse direct modes, to use and/or save */
698 int i_trellis_lambda2[2][2]; /* [luma,chroma][inter,intra] */
700 int i_chroma_lambda2_offset;
702 /* B_direct and weighted prediction */
703 int16_t dist_scale_factor_buf[2][32][4];
704 int16_t (*dist_scale_factor)[4];
705 int8_t bipred_weight_buf[2][32][4];
706 int8_t (*bipred_weight)[4];
707 /* maps fref1[0]'s ref indices into the current list0 */
708 #define map_col_to_list0(col) h->mb.map_col_to_list0[(col)+2]
709 int8_t map_col_to_list0[18];
710 int ref_blind_dupe; /* The index of the blind reference frame duplicate. */
713 /* rate control encoding only */
714 x264_ratecontrol_t *rc;
719 /* Current frame stats */
722 /* MV bits (MV+Ref+Block Type) */
724 /* Texture bits (DCT coefs) */
733 int i_mb_count_8x8dct[2];
734 int i_mb_count_ref[2][32];
735 int i_mb_partition[17];
737 int i_mb_pred_mode[4][13];
738 /* Adaptive direct mv pred */
739 int i_direct_score[2];
745 /* Cumulated stats */
748 int i_frame_count[5];
749 int64_t i_frame_size[5];
750 double f_frame_qp[5];
751 int i_consecutive_bframes[X264_BFRAME_MAX+1];
753 int64_t i_ssd_global[5];
754 double f_psnr_average[5];
755 double f_psnr_mean_y[5];
756 double f_psnr_mean_u[5];
757 double f_psnr_mean_v[5];
758 double f_ssim_mean_y[5];
760 int64_t i_mb_count[5][19];
761 int64_t i_mb_partition[2][17];
762 int64_t i_mb_count_8x8dct[2];
763 int64_t i_mb_count_ref[2][2][32];
765 int64_t i_mb_pred_mode[4][13];
767 int i_direct_score[2];
768 int i_direct_frames[2];
769 /* num p-frames weighted */
774 ALIGNED_16( uint32_t nr_residual_sum[2][64] );
775 ALIGNED_16( uint16_t nr_offset[2][64] );
776 uint32_t nr_count[2];
778 /* Buffers that are allocated per-thread even in sliced threads. */
779 void *scratch_buffer; /* for any temporary storage that doesn't want repeated malloc */
780 uint8_t *intra_border_backup[2][3]; /* bottom pixels of the previous mb row, used for intra prediction after the framebuffer has been deblocked */
782 /* CPU functions dependents */
783 x264_predict_t predict_16x16[4+3];
784 x264_predict_t predict_8x8c[4+3];
785 x264_predict8x8_t predict_8x8[9+3];
786 x264_predict_t predict_4x4[9+3];
787 x264_predict_8x8_filter_t predict_8x8_filter;
789 x264_pixel_function_t pixf;
790 x264_mc_functions_t mc;
791 x264_dct_function_t dctf;
792 x264_zigzag_function_t zigzagf;
793 x264_quant_function_t quantf;
794 x264_deblock_function_t loopf;
796 #ifdef HAVE_VISUALIZE
797 struct visualize_t *visualize;
799 x264_lookahead_t *lookahead;
802 // included at the end because it needs x264_t
803 #include "macroblock.h"
804 #include "rectangle.h"
807 #include "x86/util.h"