common.h 19 KB
Newer Older
Laurent Aimar's avatar
Laurent Aimar committed
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26
/*****************************************************************************
 * common.h: h264 encoder
 *****************************************************************************
 * Copyright (C) 2003 Laurent Aimar
 * $Id: common.h,v 1.1 2004/06/03 19:27:06 fenrir Exp $
 *
 * Authors: Laurent Aimar <fenrir@via.ecp.fr>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
 *****************************************************************************/

#ifndef _COMMON_H
#define _COMMON_H 1

27
#ifdef HAVE_STDINT_H
Laurent Aimar's avatar
Laurent Aimar committed
28
#include <stdint.h>
29 30 31
#else
#include <inttypes.h>
#endif
32
#include <stdarg.h>
Loren Merritt's avatar
Loren Merritt committed
33
#include <stdlib.h>
34
#include <assert.h>
Laurent Aimar's avatar
Laurent Aimar committed
35

36 37
#ifdef _MSC_VER
#define snprintf _snprintf
Loren Merritt's avatar
Loren Merritt committed
38
#define X264_VERSION "" // no configure script for msvc
39 40
#endif

41
/* alloca: force 16byte alignment */
42
#ifdef _MSC_VER
43 44 45
#define x264_alloca(x) (void*)(((intptr_t)_alloca((x)+15)+15)&~15)
#else
#define x264_alloca(x) (void*)(((intptr_t) alloca((x)+15)+15)&~15)
46 47
#endif

48
/* threads */
49 50 51
#if defined(__WIN32__) && defined(HAVE_PTHREAD)
#include <pthread.h>
#define USE_CONDITION_VAR
52 53 54 55 56 57

#elif defined(SYS_BEOS)
#include <kernel/OS.h>
#define pthread_t               thread_id
#define pthread_create(t,u,f,d) { *(t)=spawn_thread(f,"",10,d); \
                                  resume_thread(*(t)); }
Loren Merritt's avatar
Loren Merritt committed
58 59
#define pthread_join(t,s)       { long tmp; \
                                  wait_for_thread(t,(s)?(long*)(s):&tmp); }
Loren Merritt's avatar
Loren Merritt committed
60 61 62
#ifndef usleep
#define usleep(t)               snooze(t)
#endif
63 64 65 66
#define HAVE_PTHREAD 1

#elif defined(HAVE_PTHREAD)
#include <pthread.h>
Loren Merritt's avatar
Loren Merritt committed
67 68 69 70
#else
#define pthread_t               int
#define pthread_create(t,u,f,d)
#define pthread_join(t,s)
71 72 73 74 75 76 77 78 79 80 81 82 83
#endif //SYS_*

#ifndef USE_CONDITION_VAR
#define pthread_mutex_t         int
#define pthread_mutex_init(m,f)
#define pthread_mutex_destroy(m)
#define pthread_mutex_lock(m)
#define pthread_mutex_unlock(m)
#define pthread_cond_t          int
#define pthread_cond_init(c,f)
#define pthread_cond_destroy(c)
#define pthread_cond_broadcast(c)
#define pthread_cond_wait(c,m)  usleep(100)
84 85
#endif

Loren Merritt's avatar
Loren Merritt committed
86 87 88 89 90 91 92 93 94 95 96 97
/****************************************************************************
 * Macros
 ****************************************************************************/
#define X264_MIN(a,b) ( (a)<(b) ? (a) : (b) )
#define X264_MAX(a,b) ( (a)>(b) ? (a) : (b) )
#define X264_MIN3(a,b,c) X264_MIN((a),X264_MIN((b),(c)))
#define X264_MAX3(a,b,c) X264_MAX((a),X264_MAX((b),(c)))
#define X264_MIN4(a,b,c,d) X264_MIN((a),X264_MIN3((b),(c),(d)))
#define X264_MAX4(a,b,c,d) X264_MAX((a),X264_MAX3((b),(c),(d)))
#define XCHG(type,a,b) { type t = a; a = b; b = t; }
#define FIX8(f) ((int)(f*(1<<8)+.5))

Loren Merritt's avatar
Loren Merritt committed
98 99 100 101
#ifndef offsetof
#define offsetof(T,F) ((unsigned int)((char *)&((T *)0)->F))
#endif

102 103 104 105 106 107
#if defined(__GNUC__) && (__GNUC__ > 3 || __GNUC__ == 3 && __GNUC_MINOR__ > 0)
#define UNUSED __attribute__((unused))
#else
#define UNUSED
#endif

108 109 110 111 112 113 114 115 116 117
#define CHECKED_MALLOC( var, size )\
{\
    var = x264_malloc( size );\
    if( !var )\
    {\
        x264_log( h, X264_LOG_ERROR, "malloc failed\n" );\
        goto fail;\
    }\
}

118
#define X264_BFRAME_MAX 16
Loren Merritt's avatar
Loren Merritt committed
119
#define X264_THREAD_MAX 16
120 121
#define X264_SLICE_MAX 4
#define X264_NAL_MAX (4 + X264_SLICE_MAX)
Loren Merritt's avatar
Loren Merritt committed
122
#define X264_THREAD_HEIGHT 24 // number of pixels (per thread) in progress at any given time. could theoretically be as low as 22
123

Loren Merritt's avatar
Loren Merritt committed
124 125 126
/****************************************************************************
 * Includes
 ****************************************************************************/
127
#include "x264.h"
Laurent Aimar's avatar
Laurent Aimar committed
128 129 130 131 132 133 134 135 136
#include "bs.h"
#include "set.h"
#include "predict.h"
#include "pixel.h"
#include "mc.h"
#include "frame.h"
#include "dct.h"
#include "cabac.h"
#include "csp.h"
137
#include "quant.h"
Laurent Aimar's avatar
Laurent Aimar committed
138

139 140 141
/****************************************************************************
 * Generals functions
 ****************************************************************************/
Laurent Aimar's avatar
Laurent Aimar committed
142 143 144 145 146 147 148 149
/* x264_malloc : will do or emulate a memalign
 * XXX you HAVE TO use x264_free for buffer allocated
 * with x264_malloc
 */
void *x264_malloc( int );
void *x264_realloc( void *p, int i_size );
void  x264_free( void * );

150 151 152
/* x264_slurp_file: malloc space for the whole file and read it */
char *x264_slurp_file( const char *filename );

Laurent Aimar's avatar
Laurent Aimar committed
153 154 155
/* mdate: return the current date in microsecond */
int64_t x264_mdate( void );

156 157 158 159
/* x264_param2string: return a (malloced) string containing most of
 * the encoding options */
char *x264_param2string( x264_param_t *p, int b_res );

160 161 162
/* log */
void x264_log( x264_t *h, int i_level, const char *psz_fmt, ... );

Loren Merritt's avatar
Loren Merritt committed
163 164
void x264_reduce_fraction( int *n, int *d );

Laurent Aimar's avatar
Laurent Aimar committed
165 166
static inline int x264_clip3( int v, int i_min, int i_max )
{
Loren Merritt's avatar
Loren Merritt committed
167
    return ( (v < i_min) ? i_min : (v > i_max) ? i_max : v );
Laurent Aimar's avatar
Laurent Aimar committed
168 169
}

Loren Merritt's avatar
Loren Merritt committed
170 171 172 173
static inline float x264_clip3f( float v, float f_min, float f_max )
{
    return ( (v < f_min) ? f_min : (v > f_max) ? f_max : v );
}
174

175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191
static inline int x264_median( int a, int b, int c )
{
    int min = a, max =a;
    if( b < min )
        min = b;
    else
        max = b;    /* no need to do 'b > max' (more consuming than always doing affectation) */

    if( c < min )
        min = c;
    else if( c > max )
        max = c;

    return a + b + c - min - max;
}


192 193 194
/****************************************************************************
 *
 ****************************************************************************/
Laurent Aimar's avatar
Laurent Aimar committed
195 196 197 198 199 200 201 202 203
enum slice_type_e
{
    SLICE_TYPE_P  = 0,
    SLICE_TYPE_B  = 1,
    SLICE_TYPE_I  = 2,
    SLICE_TYPE_SP = 3,
    SLICE_TYPE_SI = 4
};

Loren Merritt's avatar
Loren Merritt committed
204 205
static const char slice_type_to_char[] = { 'P', 'B', 'I', 'S', 'S' };

Laurent Aimar's avatar
Laurent Aimar committed
206 207 208 209 210 211 212
typedef struct
{
    x264_sps_t *sps;
    x264_pps_t *pps;

    int i_type;
    int i_first_mb;
Loren Merritt's avatar
Loren Merritt committed
213
    int i_last_mb;
Laurent Aimar's avatar
Laurent Aimar committed
214 215 216 217 218

    int i_pps_id;

    int i_frame_num;

219
    int b_mbaff;
Laurent Aimar's avatar
Laurent Aimar committed
220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236
    int b_field_pic;
    int b_bottom_field;

    int i_idr_pic_id;   /* -1 if nal_type != 5 */

    int i_poc_lsb;
    int i_delta_poc_bottom;

    int i_delta_poc[2];
    int i_redundant_pic_cnt;

    int b_direct_spatial_mv_pred;

    int b_num_ref_idx_override;
    int i_num_ref_idx_l0_active;
    int i_num_ref_idx_l1_active;

237 238 239 240 241 242 243
    int b_ref_pic_list_reordering_l0;
    int b_ref_pic_list_reordering_l1;
    struct {
        int idc;
        int arg;
    } ref_pic_list_order[2][16];

Laurent Aimar's avatar
Laurent Aimar committed
244 245
    int i_cabac_init_idc;

246
    int i_qp;
Laurent Aimar's avatar
Laurent Aimar committed
247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296
    int i_qp_delta;
    int b_sp_for_swidth;
    int i_qs_delta;

    /* deblocking filter */
    int i_disable_deblocking_filter_idc;
    int i_alpha_c0_offset;
    int i_beta_offset;

} x264_slice_header_t;

/* From ffmpeg
 */
#define X264_SCAN8_SIZE (6*8)
#define X264_SCAN8_0 (4+1*8)

static const int x264_scan8[16+2*4] =
{
    /* Luma */
    4+1*8, 5+1*8, 4+2*8, 5+2*8,
    6+1*8, 7+1*8, 6+2*8, 7+2*8,
    4+3*8, 5+3*8, 4+4*8, 5+4*8,
    6+3*8, 7+3*8, 6+4*8, 7+4*8,

    /* Cb */
    1+1*8, 2+1*8,
    1+2*8, 2+2*8,

    /* Cr */
    1+4*8, 2+4*8,
    1+5*8, 2+5*8,
};
/*
   0 1 2 3 4 5 6 7
 0
 1   B B   L L L L
 2   B B   L L L L
 3         L L L L
 4   R R   L L L L
 5   R R
*/

typedef struct x264_ratecontrol_t   x264_ratecontrol_t;
typedef struct x264_vlc_table_t     x264_vlc_table_t;

struct x264_t
{
    /* encoder parameters */
    x264_param_t    param;

Loren Merritt's avatar
Loren Merritt committed
297 298 299 300
    x264_t          *thread[X264_THREAD_MAX];
    pthread_t       thread_handle;
    int             b_thread_active;
    int             i_thread_phase; /* which thread to use for the next frame */
Loren Merritt's avatar
Loren Merritt committed
301

Laurent Aimar's avatar
Laurent Aimar committed
302 303 304 305
    /* bitstream output */
    struct
    {
        int         i_nal;
Loren Merritt's avatar
Loren Merritt committed
306
        x264_nal_t  nal[X264_NAL_MAX];
Laurent Aimar's avatar
Laurent Aimar committed
307 308 309
        int         i_bitstream;    /* size of p_bitstream */
        uint8_t     *p_bitstream;   /* will hold data for all nal */
        bs_t        bs;
Loren Merritt's avatar
Loren Merritt committed
310
        int         i_frame_size;
Laurent Aimar's avatar
Laurent Aimar committed
311 312 313 314 315 316 317 318 319
    } out;

    /* frame number/poc */
    int             i_frame;

    int             i_frame_offset; /* decoding only */
    int             i_frame_num;    /* decoding only */
    int             i_poc_msb;      /* decoding only */
    int             i_poc_lsb;      /* decoding only */
320
    int             i_poc;          /* decoding only */
Laurent Aimar's avatar
Laurent Aimar committed
321

Loren Merritt's avatar
Loren Merritt committed
322 323 324 325
    int             i_thread_num;   /* threads only */
    int             i_nal_type;     /* threads only */
    int             i_nal_ref_idc;  /* threads only */

Laurent Aimar's avatar
Laurent Aimar committed
326
    /* We use only one SPS and one PPS */
327
    x264_sps_t      sps_array[1];
Laurent Aimar's avatar
Laurent Aimar committed
328
    x264_sps_t      *sps;
329
    x264_pps_t      pps_array[1];
Laurent Aimar's avatar
Laurent Aimar committed
330 331 332
    x264_pps_t      *pps;
    int             i_idr_pic_id;

333 334 335 336 337 338
    int             (*dequant4_mf[4])[4][4]; /* [4][6][4][4] */
    int             (*dequant8_mf[2])[8][8]; /* [2][6][8][8] */
    int             (*quant4_mf[4])[4][4];   /* [4][6][4][4] */
    int             (*quant8_mf[2])[8][8];   /* [2][6][8][8] */
    int             (*unquant4_mf[4])[16];   /* [4][52][16] */
    int             (*unquant8_mf[2])[64];   /* [2][52][64] */
Loren Merritt's avatar
Loren Merritt committed
339

340 341 342
    uint32_t        nr_residual_sum[2][64];
    uint32_t        nr_offset[2][64];
    uint32_t        nr_count[2];
343

Laurent Aimar's avatar
Laurent Aimar committed
344 345 346 347 348 349 350 351
    /* Slice header */
    x264_slice_header_t sh;

    /* cabac context */
    x264_cabac_t    cabac;

    struct
    {
352 353 354 355
        /* Frames to be encoded (whose types have been decided) */
        x264_frame_t *current[X264_BFRAME_MAX+3];
        /* Temporary buffer (frames types not yet decided) */
        x264_frame_t *next[X264_BFRAME_MAX+3];
Laurent Aimar's avatar
Laurent Aimar committed
356
        /* Unused frames */
Loren Merritt's avatar
Loren Merritt committed
357
        x264_frame_t *unused[X264_BFRAME_MAX + X264_THREAD_MAX*2 + 16+4];
358 359
        /* For adaptive B decision */
        x264_frame_t *last_nonb;
Laurent Aimar's avatar
Laurent Aimar committed
360

361 362
        /* frames used for reference +1 for decoding + sentinels */
        x264_frame_t *reference[16+2+1+2];
Laurent Aimar's avatar
Laurent Aimar committed
363

364
        int i_last_idr; /* Frame number of the last IDR */
365 366

        int i_input;    /* Number of input frames already accepted */
367 368 369 370

        int i_max_dpb;  /* Number of frames allocated in the decoded picture buffer */
        int i_max_ref0;
        int i_max_ref1;
371
        int i_delay;    /* Number of frames buffered for B reordering */
372
        int b_have_lowres;  /* Whether 1/2 resolution luma planes are being used */
Laurent Aimar's avatar
Laurent Aimar committed
373 374 375 376 377 378 379 380 381 382
    } frames;

    /* current frame being encoded */
    x264_frame_t    *fenc;

    /* frame being reconstructed */
    x264_frame_t    *fdec;

    /* references lists */
    int             i_ref0;
Loren Merritt's avatar
Loren Merritt committed
383
    x264_frame_t    *fref0[16+3];     /* ref list 0 */
Laurent Aimar's avatar
Laurent Aimar committed
384
    int             i_ref1;
Loren Merritt's avatar
Loren Merritt committed
385
    x264_frame_t    *fref1[16+3];     /* ref list 1 */
386
    int             b_ref_reorder[2];
Laurent Aimar's avatar
Laurent Aimar committed
387 388 389 390 391 392 393 394



    /* Current MB DCT coeffs */
    struct
    {
        DECLARE_ALIGNED( int, luma16x16_dc[16], 16 );
        DECLARE_ALIGNED( int, chroma_dc[2][4], 16 );
395 396
        // FIXME merge with union
        DECLARE_ALIGNED( int, luma8x8[4][64], 16 );
Loren Merritt's avatar
Loren Merritt committed
397
        union
Laurent Aimar's avatar
Laurent Aimar committed
398 399 400 401 402 403 404 405 406
        {
            DECLARE_ALIGNED( int, residual_ac[15], 16 );
            DECLARE_ALIGNED( int, luma4x4[16], 16 );
        } block[16+8];
    } dct;

    /* MB table and cache for current frame/mb */
    struct
    {
407 408
        int     i_mb_count;                 /* number of mbs in a frame */

Laurent Aimar's avatar
Laurent Aimar committed
409 410
        /* Strides */
        int     i_mb_stride;
411 412
        int     i_b8_stride;
        int     i_b4_stride;
Laurent Aimar's avatar
Laurent Aimar committed
413 414 415 416 417

        /* Current index */
        int     i_mb_x;
        int     i_mb_y;
        int     i_mb_xy;
418 419
        int     i_b8_xy;
        int     i_b4_xy;
420 421
        
        /* Search parameters */
Loren Merritt's avatar
Loren Merritt committed
422
        int     i_me_method;
423
        int     i_subpel_refine;
Loren Merritt's avatar
Loren Merritt committed
424
        int     b_chroma_me;
Loren Merritt's avatar
Loren Merritt committed
425
        int     b_trellis;
426 427
        int     b_noise_reduction;

428 429
        int     b_interlaced;

430 431 432
        /* Inverted luma quantization deadzone */
        int     i_luma_deadzone[2]; // {inter, intra}

433
        /* Allowed qpel MV range to stay within the picture + emulated edge pixels */
434 435
        int     mv_min[2];
        int     mv_max[2];
436 437 438 439
        /* Subpel MV range for motion search.
         * same mv_min/max but includes levels' i_mv_range. */
        int     mv_min_spel[2];
        int     mv_max_spel[2];
440 441 442
        /* Fullpel MV range for motion search */
        int     mv_min_fpel[2];
        int     mv_max_fpel[2];
443

Loren Merritt's avatar
Loren Merritt committed
444
        /* neighboring MBs */
Laurent Aimar's avatar
Laurent Aimar committed
445
        unsigned int i_neighbour;
446 447
        unsigned int i_neighbour8[4];       /* neighbours of each 8x8 or 4x4 block that are available */
        unsigned int i_neighbour4[16];      /* at the time the block is coded */
Loren Merritt's avatar
Loren Merritt committed
448 449
        int     i_mb_type_top; 
        int     i_mb_type_left; 
Loren Merritt's avatar
Loren Merritt committed
450 451
        int     i_mb_type_topleft; 
        int     i_mb_type_topright; 
452 453
        int     i_mb_prev_xy;
        int     i_mb_top_xy;
Laurent Aimar's avatar
Laurent Aimar committed
454 455 456 457 458 459 460 461 462 463

        /* mb table */
        int8_t  *type;                      /* mb type */
        int8_t  *qp;                        /* mb qp */
        int16_t *cbp;                       /* mb cbp: 0x0?: luma, 0x?0: chroma, 0x100: luma dc, 0x0200 and 0x0400: chroma dc  (all set for PCM)*/
        int8_t  (*intra4x4_pred_mode)[7];   /* intra4x4 pred mode. for non I4x4 set to I_PRED_4x4_DC(2) */
        uint8_t (*non_zero_count)[16+4+4];  /* nzc. for I_PCM set to 16 */
        int8_t  *chroma_pred_mode;          /* chroma_pred_mode. cabac only. for non intra I_PRED_CHROMA_DC(0) */
        int16_t (*mv[2])[2];                /* mb mv. set to 0 for intra mb */
        int16_t (*mvd[2])[2];               /* mb mv difference with predict. set to 0 if intra. cabac only */
464
        int8_t   *ref[2];                   /* mb ref. set to -1 if non used (intra or Lx only) */
465
        int16_t (*mvr[2][32])[2];           /* 16x16 mv for each possible ref */
466
        int8_t  *skipbp;                    /* block pattern for SKIP or DIRECT (sub)mbs. B-frames + cabac only */
467
        int8_t  *mb_transform_size;         /* transform_size_8x8_flag of each mb */
Loren Merritt's avatar
Loren Merritt committed
468
        uint8_t *intra_border_backup[2][3]; /* bottom pixels of the previous mb row, used for intra prediction after the framebuffer has been deblocked */
469

Laurent Aimar's avatar
Laurent Aimar committed
470 471 472 473
        /* current value */
        int     i_type;
        int     i_partition;
        int     i_sub_partition[4];
474
        int     b_transform_8x8;
Laurent Aimar's avatar
Laurent Aimar committed
475 476 477 478 479 480 481 482 483

        int     i_cbp_luma;
        int     i_cbp_chroma;

        int     i_intra16x16_pred_mode;
        int     i_chroma_pred_mode;

        struct
        {
484 485 486 487 488 489
            /* space for p_fenc and p_fdec */
#define FENC_STRIDE 16
#define FDEC_STRIDE 32
            DECLARE_ALIGNED( uint8_t, fenc_buf[24*FENC_STRIDE], 16 );
            DECLARE_ALIGNED( uint8_t, fdec_buf[27*FDEC_STRIDE], 16 );

Laurent Aimar's avatar
Laurent Aimar committed
490 491 492
            /* pointer over mb of the frame to be compressed */
            uint8_t *p_fenc[3];

Loren Merritt's avatar
Loren Merritt committed
493
            /* pointer over mb of the frame to be reconstructed  */
Laurent Aimar's avatar
Laurent Aimar committed
494 495 496
            uint8_t *p_fdec[3];

            /* pointer over mb of the references */
497 498
            int i_fref[2];
            uint8_t *p_fref[2][32][4+2]; /* last: lN, lH, lV, lHV, cU, cV */
499
            uint16_t *p_integral[2][16];
Laurent Aimar's avatar
Laurent Aimar committed
500

501
            /* fref stride */
Laurent Aimar's avatar
Laurent Aimar committed
502 503 504 505 506 507
            int     i_stride[3];
        } pic;

        /* cache */
        struct
        {
508
            /* real intra4x4_pred_mode if I_4X4 or I_8X8, I_PRED_4x4_DC if mb available, -1 if not */
Laurent Aimar's avatar
Laurent Aimar committed
509 510
            int     intra4x4_pred_mode[X264_SCAN8_SIZE];

Loren Merritt's avatar
Loren Merritt committed
511
            /* i_non_zero_count if available else 0x80 */
Laurent Aimar's avatar
Laurent Aimar committed
512 513
            int     non_zero_count[X264_SCAN8_SIZE];

Loren Merritt's avatar
Loren Merritt committed
514
            /* -1 if unused, -2 if unavailable */
Laurent Aimar's avatar
Laurent Aimar committed
515 516
            int8_t  ref[2][X264_SCAN8_SIZE];

Loren Merritt's avatar
Loren Merritt committed
517
            /* 0 if not available */
Laurent Aimar's avatar
Laurent Aimar committed
518 519
            int16_t mv[2][X264_SCAN8_SIZE][2];
            int16_t mvd[2][X264_SCAN8_SIZE][2];
520 521 522 523 524 525

            /* 1 if SKIP or DIRECT. set only for B-frames + CABAC */
            int8_t  skip[X264_SCAN8_SIZE];

            int16_t direct_mv[2][X264_SCAN8_SIZE][2];
            int8_t  direct_ref[2][X264_SCAN8_SIZE];
526
            int     pskip_mv[2];
527

528 529 530
            /* number of neighbors (top and left) that used 8x8 dct */
            int     i_neighbour_transform_size;
            int     b_transform_8x8_allowed;
531
            int     i_neighbour_interlaced;
Laurent Aimar's avatar
Laurent Aimar committed
532 533 534
        } cache;

        /* */
535
        int     i_qp;       /* current qp */
536
        int     i_chroma_qp;
Laurent Aimar's avatar
Laurent Aimar committed
537 538
        int     i_last_qp;  /* last qp */
        int     i_last_dqp; /* last delta qp */
539
        int     b_variable_qp; /* whether qp is allowed to vary per macroblock */
Loren Merritt's avatar
Loren Merritt committed
540
        int     b_lossless;
Loren Merritt's avatar
Loren Merritt committed
541 542
        int     b_direct_auto_read; /* take stats for --direct auto from the 2pass log */
        int     b_direct_auto_write; /* analyse direct modes, to use and/or save */
Laurent Aimar's avatar
Laurent Aimar committed
543

544
        /* B_direct and weighted prediction */
545 546
        int     dist_scale_factor[16][2];
        int     bipred_weight[32][4];
547 548 549
        /* maps fref1[0]'s ref indices into the current list0 */
        int     map_col_to_list0_buf[2]; // for negative indices
        int     map_col_to_list0[16];
Laurent Aimar's avatar
Laurent Aimar committed
550 551 552 553 554 555 556 557
    } mb;

    /* rate control encoding only */
    x264_ratecontrol_t *rc;

    /* stats */
    struct
    {
558 559 560 561 562 563 564 565 566 567 568
        /* Current frame stats */
        struct
        {
            /* Headers bits (MV+Ref+MB Block Type */
            int i_hdr_bits;
            /* Texture bits (Intra/Predicted) */
            int i_itex_bits;
            int i_ptex_bits;
            /* ? */
            int i_misc_bits;
            /* MB type counts */
569
            int i_mb_count[19];
570
            int i_mb_count_i;
Loren Merritt's avatar
Loren Merritt committed
571 572
            int i_mb_count_p;
            int i_mb_count_skip;
573
            int i_mb_count_8x8dct[2];
574
            int i_mb_count_size[7];
575
            int i_mb_count_ref[32];
576 577 578 579
            /* Estimated (SATD) cost as Intra/Predicted frame */
            /* XXX: both omit the cost of MBs coded as P_SKIP */
            int i_intra_cost;
            int i_inter_cost;
Loren Merritt's avatar
Loren Merritt committed
580
            int i_mbs_analysed;
Loren Merritt's avatar
Loren Merritt committed
581 582
            /* Adaptive direct mv pred */
            int i_direct_score[2];
583 584
        } frame;

Loren Merritt's avatar
Loren Merritt committed
585
        /* Cumulated stats */
586

Laurent Aimar's avatar
Laurent Aimar committed
587
        /* per slice info */
Loren Merritt's avatar
Loren Merritt committed
588
        int     i_slice_count[5];
589
        int64_t i_slice_size[5];
Loren Merritt's avatar
Loren Merritt committed
590
        int     i_slice_qp[5];
591 592 593 594 595 596
        /* */
        int64_t i_sqe_global[5];
        float   f_psnr_average[5];
        float   f_psnr_mean_y[5];
        float   f_psnr_mean_u[5];
        float   f_psnr_mean_v[5];
597
        float   f_ssim_mean_y[5];
598
        /* */
599
        int64_t i_mb_count[5][19];
600
        int64_t i_mb_count_8x8dct[2];
601
        int64_t i_mb_count_size[2][7];
602
        int64_t i_mb_count_ref[2][32];
Loren Merritt's avatar
Loren Merritt committed
603 604 605
        /* */
        int     i_direct_score[2];
        int     i_direct_frames[2];
606

Laurent Aimar's avatar
Laurent Aimar committed
607 608
    } stat;

Loren Merritt's avatar
Loren Merritt committed
609
    /* CPU functions dependents */
Laurent Aimar's avatar
Laurent Aimar committed
610
    x264_predict_t      predict_16x16[4+3];
611 612
    x264_predict_t      predict_8x8c[4+3];
    x264_predict8x8_t   predict_8x8[9+3];
Laurent Aimar's avatar
Laurent Aimar committed
613 614 615
    x264_predict_t      predict_4x4[9+3];

    x264_pixel_function_t pixf;
616
    x264_mc_functions_t   mc;
Laurent Aimar's avatar
Laurent Aimar committed
617
    x264_dct_function_t   dctf;
618
    x264_zigzag_function_t zigzagf;
Laurent Aimar's avatar
Laurent Aimar committed
619
    x264_csp_function_t   csp;
620
    x264_quant_function_t quantf;
Loren Merritt's avatar
Loren Merritt committed
621
    x264_deblock_function_t loopf;
Laurent Aimar's avatar
Laurent Aimar committed
622 623 624 625 626 627 628

    /* vlc table for decoding purpose only */
    x264_vlc_table_t *x264_coeff_token_lookup[5];
    x264_vlc_table_t *x264_level_prefix_lookup;
    x264_vlc_table_t *x264_total_zeros_lookup[15];
    x264_vlc_table_t *x264_total_zeros_dc_lookup[3];
    x264_vlc_table_t *x264_run_before_lookup[7];
Loren Merritt's avatar
Loren Merritt committed
629 630 631 632

#if VISUALIZE
    struct visualize_t *visualize;
#endif
Laurent Aimar's avatar
Laurent Aimar committed
633 634
};

635 636 637
// included at the end because it needs x264_t
#include "macroblock.h"

Laurent Aimar's avatar
Laurent Aimar committed
638 639
#endif