Statistics
| Branch: | Revision:

ffmpeg / libavcodec / motion_est.c @ f20f8a8b

History | View | Annotate | Download (69.3 KB)

1
/*
2
 * Motion estimation 
3
 * Copyright (c) 2000,2001 Fabrice Bellard.
4
 * Copyright (c) 2002-2004 Michael Niedermayer
5
 * 
6
 *
7
 * This library is free software; you can redistribute it and/or
8
 * modify it under the terms of the GNU Lesser General Public
9
 * License as published by the Free Software Foundation; either
10
 * version 2 of the License, or (at your option) any later version.
11
 *
12
 * This library is distributed in the hope that it will be useful,
13
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
15
 * Lesser General Public License for more details.
16
 *
17
 * You should have received a copy of the GNU Lesser General Public
18
 * License along with this library; if not, write to the Free Software
19
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
20
 *
21
 * new Motion Estimation (X1/EPZS) by Michael Niedermayer <michaelni@gmx.at>
22
 */
23
 
24
/**
25
 * @file motion_est.c
26
 * Motion estimation.
27
 */
28
 
29
#include <stdlib.h>
30
#include <stdio.h>
31
#include <limits.h>
32
#include "avcodec.h"
33
#include "dsputil.h"
34
#include "mpegvideo.h"
35

    
36
#undef NDEBUG
37
#include <assert.h>
38

    
39
#define SQ(a) ((a)*(a))
40

    
41
#define P_LEFT P[1]
42
#define P_TOP P[2]
43
#define P_TOPRIGHT P[3]
44
#define P_MEDIAN P[4]
45
#define P_MV1 P[9]
46

    
47
static inline int sad_hpel_motion_search(MpegEncContext * s,
48
                                  int *mx_ptr, int *my_ptr, int dmin,
49
                                  int src_index, int ref_index,
50
                                  int size, int h);
51

    
52
static inline int update_map_generation(MpegEncContext * s)
53
{
54
    s->me.map_generation+= 1<<(ME_MAP_MV_BITS*2);
55
    if(s->me.map_generation==0){
56
        s->me.map_generation= 1<<(ME_MAP_MV_BITS*2);
57
        memset(s->me.map, 0, sizeof(uint32_t)*ME_MAP_SIZE);
58
    }
59
    return s->me.map_generation;
60
}
61

    
62
/* shape adaptive search stuff */
63
typedef struct Minima{
64
    int height;
65
    int x, y;
66
    int checked;
67
}Minima;
68

    
69
static int minima_cmp(const void *a, const void *b){
70
    const Minima *da = (const Minima *) a;
71
    const Minima *db = (const Minima *) b;
72
    
73
    return da->height - db->height;
74
}
75

    
76
#define FLAG_QPEL   1 //must be 1
77
#define FLAG_CHROMA 2
78
#define FLAG_DIRECT 4
79

    
80
static inline void init_ref(MpegEncContext *s, uint8_t *src[3], uint8_t *ref[3], uint8_t *ref2[3], int x, int y, int ref_index){
81
    MotionEstContext * const c= &s->me;
82
    const int offset[3]= {
83
          y*c->  stride + x,
84
        ((y*c->uvstride + x)>>1),
85
        ((y*c->uvstride + x)>>1),
86
    };
87
    int i;
88
    for(i=0; i<3; i++){
89
        c->src[0][i]= src [i] + offset[i];
90
        c->ref[0][i]= ref [i] + offset[i];
91
    }
92
    if(ref_index){
93
        for(i=0; i<3; i++){
94
            c->ref[ref_index][i]= ref2[i] + offset[i];
95
        }
96
    }
97
}
98

    
99
static int get_flags(MpegEncContext *s, int direct, int chroma){
100
    return   ((s->flags&CODEC_FLAG_QPEL) ? FLAG_QPEL : 0)
101
           + (direct ? FLAG_DIRECT : 0) 
102
           + (chroma ? FLAG_CHROMA : 0);
103
}
104

    
105
static always_inline int cmp(MpegEncContext *s, const int x, const int y, const int subx, const int suby,
106
                      const int size, const int h, int ref_index, int src_index,
107
                      me_cmp_func cmp_func, me_cmp_func chroma_cmp_func, const int flags){
108
    MotionEstContext * const c= &s->me;
109
    const int stride= c->stride;
110
    const int uvstride= c->uvstride;
111
    const int qpel= flags&FLAG_QPEL;
112
    const int chroma= flags&FLAG_CHROMA;
113
    const int dxy= subx + (suby<<(1+qpel)); //FIXME log2_subpel?
114
    const int hx= subx + (x<<(1+qpel));
115
    const int hy= suby + (y<<(1+qpel));
116
    uint8_t * const * const ref= c->ref[ref_index];
117
    uint8_t * const * const src= c->src[src_index];
118
    int d;
119
    //FIXME check chroma 4mv, (no crashes ...)
120
    if(flags&FLAG_DIRECT){
121
        if(x >= c->xmin && hx <= c->xmax<<(qpel+1) && y >= c->ymin && hy <= c->ymax<<(qpel+1)){
122
            const int time_pp= s->pp_time;
123
            const int time_pb= s->pb_time;
124
            const int mask= 2*qpel+1;
125
            if(s->mv_type==MV_TYPE_8X8){
126
                int i;
127
                for(i=0; i<4; i++){
128
                    int fx = c->direct_basis_mv[i][0] + hx;
129
                    int fy = c->direct_basis_mv[i][1] + hy;
130
                    int bx = hx ? fx - c->co_located_mv[i][0] : c->co_located_mv[i][0]*(time_pb - time_pp)/time_pp + ((i &1)<<(qpel+4));
131
                    int by = hy ? fy - c->co_located_mv[i][1] : c->co_located_mv[i][1]*(time_pb - time_pp)/time_pp + ((i>>1)<<(qpel+4));
132
                    int fxy= (fx&mask) + ((fy&mask)<<(qpel+1));
133
                    int bxy= (bx&mask) + ((by&mask)<<(qpel+1));
134
        
135
                    uint8_t *dst= c->temp + 8*(i&1) + 8*stride*(i>>1);
136
                    if(qpel){
137
                        c->qpel_put[1][fxy](dst, ref[0] + (fx>>2) + (fy>>2)*stride, stride);
138
                        c->qpel_avg[1][bxy](dst, ref[8] + (bx>>2) + (by>>2)*stride, stride);
139
                    }else{
140
                        c->hpel_put[1][fxy](dst, ref[0] + (fx>>1) + (fy>>1)*stride, stride, 8);
141
                        c->hpel_avg[1][bxy](dst, ref[8] + (bx>>1) + (by>>1)*stride, stride, 8);
142
                    }
143
                }
144
            }else{
145
                int fx = c->direct_basis_mv[0][0] + hx;
146
                int fy = c->direct_basis_mv[0][1] + hy;
147
                int bx = hx ? fx - c->co_located_mv[0][0] : (c->co_located_mv[0][0]*(time_pb - time_pp)/time_pp);
148
                int by = hy ? fy - c->co_located_mv[0][1] : (c->co_located_mv[0][1]*(time_pb - time_pp)/time_pp);
149
                int fxy= (fx&mask) + ((fy&mask)<<(qpel+1));
150
                int bxy= (bx&mask) + ((by&mask)<<(qpel+1));
151
                
152
                if(qpel){
153
                    c->qpel_put[1][fxy](c->temp               , ref[0] + (fx>>2) + (fy>>2)*stride               , stride);
154
                    c->qpel_put[1][fxy](c->temp + 8           , ref[0] + (fx>>2) + (fy>>2)*stride + 8           , stride);
155
                    c->qpel_put[1][fxy](c->temp     + 8*stride, ref[0] + (fx>>2) + (fy>>2)*stride     + 8*stride, stride);
156
                    c->qpel_put[1][fxy](c->temp + 8 + 8*stride, ref[0] + (fx>>2) + (fy>>2)*stride + 8 + 8*stride, stride);
157
                    c->qpel_avg[1][bxy](c->temp               , ref[8] + (bx>>2) + (by>>2)*stride               , stride);
158
                    c->qpel_avg[1][bxy](c->temp + 8           , ref[8] + (bx>>2) + (by>>2)*stride + 8           , stride);
159
                    c->qpel_avg[1][bxy](c->temp     + 8*stride, ref[8] + (bx>>2) + (by>>2)*stride     + 8*stride, stride);
160
                    c->qpel_avg[1][bxy](c->temp + 8 + 8*stride, ref[8] + (bx>>2) + (by>>2)*stride + 8 + 8*stride, stride);
161
                }else{            
162
                    assert((fx>>1) + 16*s->mb_x >= -16);
163
                    assert((fy>>1) + 16*s->mb_y >= -16);
164
                    assert((fx>>1) + 16*s->mb_x <= s->width);
165
                    assert((fy>>1) + 16*s->mb_y <= s->height);
166
                    assert((bx>>1) + 16*s->mb_x >= -16);
167
                    assert((by>>1) + 16*s->mb_y >= -16);
168
                    assert((bx>>1) + 16*s->mb_x <= s->width);
169
                    assert((by>>1) + 16*s->mb_y <= s->height);
170

    
171
                    c->hpel_put[0][fxy](c->temp, ref[0] + (fx>>1) + (fy>>1)*stride, stride, 16);
172
                    c->hpel_avg[0][bxy](c->temp, ref[8] + (bx>>1) + (by>>1)*stride, stride, 16);
173
                }
174
            }
175
            d = cmp_func(s, c->temp, src[0], stride, 16);
176
        }else
177
            d= 256*256*256*32;
178
    }else{
179
        int uvdxy;
180
        if(dxy){
181
            if(qpel){
182
                c->qpel_put[size][dxy](c->temp, ref[0] + x + y*stride, stride); //FIXME prototype (add h)
183
                if(chroma){
184
                    int cx= hx/2;
185
                    int cy= hy/2;
186
                    cx= (cx>>1)|(cx&1);
187
                    cy= (cy>>1)|(cy&1);
188
                    uvdxy= (cx&1) + 2*(cy&1);
189
                    //FIXME x/y wrong, but mpeg4 qpel is sick anyway, we should drop as much of it as possible in favor for h264
190
                }
191
            }else{
192
                c->hpel_put[size][dxy](c->temp, ref[0] + x + y*stride, stride, h);
193
                if(chroma)
194
                    uvdxy= dxy | (x&1) | (2*(y&1));
195
            }
196
            d = cmp_func(s, c->temp, src[0], stride, h); 
197
        }else{
198
            d = cmp_func(s, src[0], ref[0] + x + y*stride, stride, h); 
199
            if(chroma)
200
                uvdxy= (x&1) + 2*(y&1);
201
        }
202
        if(chroma){
203
            uint8_t * const uvtemp= c->temp + 16*stride;
204
            c->hpel_put[size+1][uvdxy](uvtemp  , ref[1] + (x>>1) + (y>>1)*uvstride, uvstride, h>>1);
205
            c->hpel_put[size+1][uvdxy](uvtemp+8, ref[2] + (x>>1) + (y>>1)*uvstride, uvstride, h>>1);
206
            d += chroma_cmp_func(s, uvtemp  , src[1], uvstride, h>>1); 
207
            d += chroma_cmp_func(s, uvtemp+8, src[2], uvstride, h>>1); 
208
        }
209
    }
210
#if 0
211
    if(full_pel){
212
        const int index= (((y)<<ME_MAP_SHIFT) + (x))&(ME_MAP_SIZE-1);
213
        score_map[index]= d;
214
    }
215

216
    d += (c->mv_penalty[hx - c->pred_x] + c->mv_penalty[hy - c->pred_y])*c->penalty_factor;
217
#endif
218
    return d;
219
}
220

    
221
#include "motion_est_template.c"
222

    
223
static inline int get_penalty_factor(MpegEncContext *s, int type){
224
    switch(type&0xFF){
225
    default:
226
    case FF_CMP_SAD:
227
        return s->qscale*2;
228
    case FF_CMP_DCT:
229
        return s->qscale*3;
230
    case FF_CMP_SATD:
231
        return s->qscale*6;
232
    case FF_CMP_SSE:
233
        return s->qscale*s->qscale*2;
234
    case FF_CMP_BIT:
235
        return 1;
236
    case FF_CMP_RD:
237
    case FF_CMP_PSNR:
238
        return (s->qscale*s->qscale*185 + 64)>>7;
239
    }
240
}
241

    
242
void ff_init_me(MpegEncContext *s){
243
    MotionEstContext * const c= &s->me;
244

    
245
    ff_set_cmp(&s->dsp, s->dsp.me_pre_cmp, s->avctx->me_pre_cmp);
246
    ff_set_cmp(&s->dsp, s->dsp.me_cmp, s->avctx->me_cmp);
247
    ff_set_cmp(&s->dsp, s->dsp.me_sub_cmp, s->avctx->me_sub_cmp);
248
    ff_set_cmp(&s->dsp, s->dsp.mb_cmp, s->avctx->mb_cmp);
249
    
250
    s->me.flags    = get_flags(s, 0, s->avctx->me_cmp    &FF_CMP_CHROMA);
251
    s->me.sub_flags= get_flags(s, 0, s->avctx->me_sub_cmp&FF_CMP_CHROMA);
252
    s->me.mb_flags = get_flags(s, 0, s->avctx->mb_cmp    &FF_CMP_CHROMA);
253

    
254
/*FIXME s->no_rounding b_type*/
255
    if(s->flags&CODEC_FLAG_QPEL){
256
        s->me.sub_motion_search= qpel_motion_search;
257
        c->qpel_avg= s->dsp.avg_qpel_pixels_tab;
258
        if(s->no_rounding) c->qpel_put= s->dsp.put_no_rnd_qpel_pixels_tab;
259
        else               c->qpel_put= s->dsp.put_qpel_pixels_tab;
260
    }else{
261
        if(s->avctx->me_sub_cmp&FF_CMP_CHROMA)
262
            s->me.sub_motion_search= hpel_motion_search;
263
        else if(   s->avctx->me_sub_cmp == FF_CMP_SAD 
264
                && s->avctx->    me_cmp == FF_CMP_SAD 
265
                && s->avctx->    mb_cmp == FF_CMP_SAD)
266
            s->me.sub_motion_search= sad_hpel_motion_search; // 2050 vs. 2450 cycles
267
        else
268
            s->me.sub_motion_search= hpel_motion_search;
269
        c->hpel_avg= s->dsp.avg_pixels_tab;
270
        if(s->no_rounding) c->hpel_put= s->dsp.put_no_rnd_pixels_tab;
271
        else               c->hpel_put= s->dsp.put_pixels_tab;
272
    }
273
    if(s->linesize){
274
        s->me.stride  = s->linesize; 
275
        s->me.uvstride= s->uvlinesize;
276
    }else{
277
        s->me.stride  = 16*s->mb_width + 32;
278
        s->me.uvstride=  8*s->mb_width + 16;
279
    }
280

    
281
    c->temp= c->scratchpad;
282
}
283
      
284
#if 0
285
static int pix_dev(uint8_t * pix, int line_size, int mean)
286
{
287
    int s, i, j;
288

289
    s = 0;
290
    for (i = 0; i < 16; i++) {
291
        for (j = 0; j < 16; j += 8) {
292
            s += ABS(pix[0]-mean);
293
            s += ABS(pix[1]-mean);
294
            s += ABS(pix[2]-mean);
295
            s += ABS(pix[3]-mean);
296
            s += ABS(pix[4]-mean);
297
            s += ABS(pix[5]-mean);
298
            s += ABS(pix[6]-mean);
299
            s += ABS(pix[7]-mean);
300
            pix += 8;
301
        }
302
        pix += line_size - 16;
303
    }
304
    return s;
305
}
306
#endif
307

    
308
static inline void no_motion_search(MpegEncContext * s,
309
                                    int *mx_ptr, int *my_ptr)
310
{
311
    *mx_ptr = 16 * s->mb_x;
312
    *my_ptr = 16 * s->mb_y;
313
}
314

    
315
static int full_motion_search(MpegEncContext * s,
316
                              int *mx_ptr, int *my_ptr, int range,
317
                              int xmin, int ymin, int xmax, int ymax, uint8_t *ref_picture)
318
{
319
    int x1, y1, x2, y2, xx, yy, x, y;
320
    int mx, my, dmin, d;
321
    uint8_t *pix;
322

    
323
    xx = 16 * s->mb_x;
324
    yy = 16 * s->mb_y;
325
    x1 = xx - range + 1;        /* we loose one pixel to avoid boundary pb with half pixel pred */
326
    if (x1 < xmin)
327
        x1 = xmin;
328
    x2 = xx + range - 1;
329
    if (x2 > xmax)
330
        x2 = xmax;
331
    y1 = yy - range + 1;
332
    if (y1 < ymin)
333
        y1 = ymin;
334
    y2 = yy + range - 1;
335
    if (y2 > ymax)
336
        y2 = ymax;
337
    pix = s->new_picture.data[0] + (yy * s->linesize) + xx;
338
    dmin = 0x7fffffff;
339
    mx = 0;
340
    my = 0;
341
    for (y = y1; y <= y2; y++) {
342
        for (x = x1; x <= x2; x++) {
343
            d = s->dsp.pix_abs[0][0](NULL, pix, ref_picture + (y * s->linesize) + x,
344
                             s->linesize, 16);
345
            if (d < dmin ||
346
                (d == dmin &&
347
                 (abs(x - xx) + abs(y - yy)) <
348
                 (abs(mx - xx) + abs(my - yy)))) {
349
                dmin = d;
350
                mx = x;
351
                my = y;
352
            }
353
        }
354
    }
355

    
356
    *mx_ptr = mx;
357
    *my_ptr = my;
358

    
359
#if 0
360
    if (*mx_ptr < -(2 * range) || *mx_ptr >= (2 * range) ||
361
        *my_ptr < -(2 * range) || *my_ptr >= (2 * range)) {
362
        fprintf(stderr, "error %d %d\n", *mx_ptr, *my_ptr);
363
    }
364
#endif
365
    return dmin;
366
}
367

    
368

    
369
static int log_motion_search(MpegEncContext * s,
370
                             int *mx_ptr, int *my_ptr, int range,
371
                             int xmin, int ymin, int xmax, int ymax, uint8_t *ref_picture)
372
{
373
    int x1, y1, x2, y2, xx, yy, x, y;
374
    int mx, my, dmin, d;
375
    uint8_t *pix;
376

    
377
    xx = s->mb_x << 4;
378
    yy = s->mb_y << 4;
379

    
380
    /* Left limit */
381
    x1 = xx - range;
382
    if (x1 < xmin)
383
        x1 = xmin;
384

    
385
    /* Right limit */
386
    x2 = xx + range;
387
    if (x2 > xmax)
388
        x2 = xmax;
389

    
390
    /* Upper limit */
391
    y1 = yy - range;
392
    if (y1 < ymin)
393
        y1 = ymin;
394

    
395
    /* Lower limit */
396
    y2 = yy + range;
397
    if (y2 > ymax)
398
        y2 = ymax;
399

    
400
    pix = s->new_picture.data[0] + (yy * s->linesize) + xx;
401
    dmin = 0x7fffffff;
402
    mx = 0;
403
    my = 0;
404

    
405
    do {
406
        for (y = y1; y <= y2; y += range) {
407
            for (x = x1; x <= x2; x += range) {
408
                d = s->dsp.pix_abs[0][0](NULL, pix, ref_picture + (y * s->linesize) + x, s->linesize, 16);
409
                if (d < dmin || (d == dmin && (abs(x - xx) + abs(y - yy)) < (abs(mx - xx) + abs(my - yy)))) {
410
                    dmin = d;
411
                    mx = x;
412
                    my = y;
413
                }
414
            }
415
        }
416

    
417
        range = range >> 1;
418

    
419
        x1 = mx - range;
420
        if (x1 < xmin)
421
            x1 = xmin;
422

    
423
        x2 = mx + range;
424
        if (x2 > xmax)
425
            x2 = xmax;
426

    
427
        y1 = my - range;
428
        if (y1 < ymin)
429
            y1 = ymin;
430

    
431
        y2 = my + range;
432
        if (y2 > ymax)
433
            y2 = ymax;
434

    
435
    } while (range >= 1);
436

    
437
#ifdef DEBUG
438
    fprintf(stderr, "log       - MX: %d\tMY: %d\n", mx, my);
439
#endif
440
    *mx_ptr = mx;
441
    *my_ptr = my;
442
    return dmin;
443
}
444

    
445
static int phods_motion_search(MpegEncContext * s,
446
                               int *mx_ptr, int *my_ptr, int range,
447
                               int xmin, int ymin, int xmax, int ymax, uint8_t *ref_picture)
448
{
449
    int x1, y1, x2, y2, xx, yy, x, y, lastx, d;
450
    int mx, my, dminx, dminy;
451
    uint8_t *pix;
452

    
453
    xx = s->mb_x << 4;
454
    yy = s->mb_y << 4;
455

    
456
    /* Left limit */
457
    x1 = xx - range;
458
    if (x1 < xmin)
459
        x1 = xmin;
460

    
461
    /* Right limit */
462
    x2 = xx + range;
463
    if (x2 > xmax)
464
        x2 = xmax;
465

    
466
    /* Upper limit */
467
    y1 = yy - range;
468
    if (y1 < ymin)
469
        y1 = ymin;
470

    
471
    /* Lower limit */
472
    y2 = yy + range;
473
    if (y2 > ymax)
474
        y2 = ymax;
475

    
476
    pix = s->new_picture.data[0] + (yy * s->linesize) + xx;
477
    mx = 0;
478
    my = 0;
479

    
480
    x = xx;
481
    y = yy;
482
    do {
483
        dminx = 0x7fffffff;
484
        dminy = 0x7fffffff;
485

    
486
        lastx = x;
487
        for (x = x1; x <= x2; x += range) {
488
            d = s->dsp.pix_abs[0][0](NULL, pix, ref_picture + (y * s->linesize) + x, s->linesize, 16);
489
            if (d < dminx || (d == dminx && (abs(x - xx) + abs(y - yy)) < (abs(mx - xx) + abs(my - yy)))) {
490
                dminx = d;
491
                mx = x;
492
            }
493
        }
494

    
495
        x = lastx;
496
        for (y = y1; y <= y2; y += range) {
497
            d = s->dsp.pix_abs[0][0](NULL, pix, ref_picture + (y * s->linesize) + x, s->linesize, 16);
498
            if (d < dminy || (d == dminy && (abs(x - xx) + abs(y - yy)) < (abs(mx - xx) + abs(my - yy)))) {
499
                dminy = d;
500
                my = y;
501
            }
502
        }
503

    
504
        range = range >> 1;
505

    
506
        x = mx;
507
        y = my;
508
        x1 = mx - range;
509
        if (x1 < xmin)
510
            x1 = xmin;
511

    
512
        x2 = mx + range;
513
        if (x2 > xmax)
514
            x2 = xmax;
515

    
516
        y1 = my - range;
517
        if (y1 < ymin)
518
            y1 = ymin;
519

    
520
        y2 = my + range;
521
        if (y2 > ymax)
522
            y2 = ymax;
523

    
524
    } while (range >= 1);
525

    
526
#ifdef DEBUG
527
    fprintf(stderr, "phods     - MX: %d\tMY: %d\n", mx, my);
528
#endif
529

    
530
    /* half pixel search */
531
    *mx_ptr = mx;
532
    *my_ptr = my;
533
    return dminy;
534
}
535

    
536

    
537
#define Z_THRESHOLD 256
538

    
539
#define CHECK_SAD_HALF_MV(suffix, x, y) \
540
{\
541
    d= s->dsp.pix_abs[size][(x?1:0)+(y?2:0)](NULL, pix, ptr+((x)>>1), stride, h);\
542
    d += (mv_penalty[pen_x + x] + mv_penalty[pen_y + y])*penalty_factor;\
543
    COPY3_IF_LT(dminh, d, dx, x, dy, y)\
544
}
545

    
546
static inline int sad_hpel_motion_search(MpegEncContext * s,
547
                                  int *mx_ptr, int *my_ptr, int dmin,
548
                                  int src_index, int ref_index,
549
                                  int size, int h)
550
{
551
    const int penalty_factor= s->me.sub_penalty_factor;
552
    int mx, my, dminh;
553
    uint8_t *pix, *ptr;
554
    int stride= s->me.stride;
555
    const int flags= s->me.sub_flags;
556
    LOAD_COMMON
557
    
558
    assert(flags == 0);
559

    
560
    if(s->me.skip){
561
//    printf("S");
562
        *mx_ptr = 0;
563
        *my_ptr = 0;
564
        return dmin;
565
    }
566
//    printf("N");
567
        
568
    pix = s->me.src[src_index][0];
569

    
570
    mx = *mx_ptr;
571
    my = *my_ptr;
572
    ptr = s->me.ref[ref_index][0] + (my * stride) + mx;
573
    
574
    dminh = dmin;
575

    
576
    if (mx > xmin && mx < xmax && 
577
        my > ymin && my < ymax) {
578
        int dx=0, dy=0;
579
        int d, pen_x, pen_y; 
580
        const int index= (my<<ME_MAP_SHIFT) + mx;
581
        const int t= score_map[(index-(1<<ME_MAP_SHIFT))&(ME_MAP_SIZE-1)];
582
        const int l= score_map[(index- 1               )&(ME_MAP_SIZE-1)];
583
        const int r= score_map[(index+ 1               )&(ME_MAP_SIZE-1)];
584
        const int b= score_map[(index+(1<<ME_MAP_SHIFT))&(ME_MAP_SIZE-1)];
585
        mx<<=1;
586
        my<<=1;
587

    
588
        
589
        pen_x= pred_x + mx;
590
        pen_y= pred_y + my;
591

    
592
        ptr-= stride;
593
        if(t<=b){
594
            CHECK_SAD_HALF_MV(y2 , 0, -1)
595
            if(l<=r){
596
                CHECK_SAD_HALF_MV(xy2, -1, -1)
597
                if(t+r<=b+l){
598
                    CHECK_SAD_HALF_MV(xy2, +1, -1)
599
                    ptr+= stride;
600
                }else{
601
                    ptr+= stride;
602
                    CHECK_SAD_HALF_MV(xy2, -1, +1)
603
                }
604
                CHECK_SAD_HALF_MV(x2 , -1,  0)
605
            }else{
606
                CHECK_SAD_HALF_MV(xy2, +1, -1)
607
                if(t+l<=b+r){
608
                    CHECK_SAD_HALF_MV(xy2, -1, -1)
609
                    ptr+= stride;
610
                }else{
611
                    ptr+= stride;
612
                    CHECK_SAD_HALF_MV(xy2, +1, +1)
613
                }
614
                CHECK_SAD_HALF_MV(x2 , +1,  0)
615
            }
616
        }else{
617
            if(l<=r){
618
                if(t+l<=b+r){
619
                    CHECK_SAD_HALF_MV(xy2, -1, -1)
620
                    ptr+= stride;
621
                }else{
622
                    ptr+= stride;
623
                    CHECK_SAD_HALF_MV(xy2, +1, +1)
624
                }
625
                CHECK_SAD_HALF_MV(x2 , -1,  0)
626
                CHECK_SAD_HALF_MV(xy2, -1, +1)
627
            }else{
628
                if(t+r<=b+l){
629
                    CHECK_SAD_HALF_MV(xy2, +1, -1)
630
                    ptr+= stride;
631
                }else{
632
                    ptr+= stride;
633
                    CHECK_SAD_HALF_MV(xy2, -1, +1)
634
                }
635
                CHECK_SAD_HALF_MV(x2 , +1,  0)
636
                CHECK_SAD_HALF_MV(xy2, +1, +1)
637
            }
638
            CHECK_SAD_HALF_MV(y2 ,  0, +1)
639
        }
640
        mx+=dx;
641
        my+=dy;
642

    
643
    }else{
644
        mx<<=1;
645
        my<<=1;
646
    }
647

    
648
    *mx_ptr = mx;
649
    *my_ptr = my;
650
    return dminh;
651
}
652

    
653
static inline void set_p_mv_tables(MpegEncContext * s, int mx, int my, int mv4)
654
{
655
    const int xy= s->mb_x + s->mb_y*s->mb_stride;
656
    
657
    s->p_mv_table[xy][0] = mx;
658
    s->p_mv_table[xy][1] = my;
659

    
660
    /* has allready been set to the 4 MV if 4MV is done */
661
    if(mv4){
662
        int mot_xy= s->block_index[0];
663

    
664
        s->current_picture.motion_val[0][mot_xy  ][0]= mx;
665
        s->current_picture.motion_val[0][mot_xy  ][1]= my;
666
        s->current_picture.motion_val[0][mot_xy+1][0]= mx;
667
        s->current_picture.motion_val[0][mot_xy+1][1]= my;
668

    
669
        mot_xy += s->b8_stride;
670
        s->current_picture.motion_val[0][mot_xy  ][0]= mx;
671
        s->current_picture.motion_val[0][mot_xy  ][1]= my;
672
        s->current_picture.motion_val[0][mot_xy+1][0]= mx;
673
        s->current_picture.motion_val[0][mot_xy+1][1]= my;
674
    }
675
}
676

    
677
/**
678
 * get fullpel ME search limits.
679
 */
680
static inline void get_limits(MpegEncContext *s, int x, int y)
681
{
682
/*
683
    if(s->avctx->me_range) s->me.range= s->avctx->me_range >> 1;
684
    else                   s->me.range= 16;
685
*/
686
    if (s->unrestricted_mv) {
687
        s->me.xmin = - x - 16;
688
        s->me.ymin = - y - 16;
689
        s->me.xmax = - x + s->mb_width *16;
690
        s->me.ymax = - y + s->mb_height*16;
691
    } else {
692
        s->me.xmin = - x;
693
        s->me.ymin = - y;
694
        s->me.xmax = - x + s->mb_width *16 - 16;
695
        s->me.ymax = - y + s->mb_height*16 - 16;
696
    }
697
}
698

    
699
static inline void init_mv4_ref(MpegEncContext *s){
700
    MotionEstContext * const c= &s->me;
701
    const int stride= s->linesize;
702

    
703
    c->ref[1][0] = c->ref[0][0] + 8;
704
    c->ref[2][0] = c->ref[0][0] + 8*stride;
705
    c->ref[3][0] = c->ref[2][0] + 8;
706
    c->src[1][0] = c->src[0][0] + 8;
707
    c->src[2][0] = c->src[0][0] + 8*stride;
708
    c->src[3][0] = c->src[2][0] + 8;
709
}
710

    
711
static inline int h263_mv4_search(MpegEncContext *s, int mx, int my, int shift)
712
{
713
    MotionEstContext * const c= &s->me;
714
    const int size= 1;
715
    const int h=8;
716
    int block;
717
    int P[10][2];
718
    int dmin_sum=0, mx4_sum=0, my4_sum=0;
719
    int same=1;
720
    const int stride= s->linesize;
721
    const int uvstride= s->uvlinesize;
722
    uint8_t *mv_penalty= s->me.current_mv_penalty;
723

    
724
    init_mv4_ref(s);
725
    
726
    for(block=0; block<4; block++){
727
        int mx4, my4;
728
        int pred_x4, pred_y4;
729
        int dmin4;
730
        static const int off[4]= {2, 1, 1, -1};
731
        const int mot_stride = s->b8_stride;
732
        const int mot_xy = s->block_index[block];
733

    
734
        P_LEFT[0] = s->current_picture.motion_val[0][mot_xy - 1][0];
735
        P_LEFT[1] = s->current_picture.motion_val[0][mot_xy - 1][1];
736

    
737
        if(P_LEFT[0]       > (s->me.xmax<<shift)) P_LEFT[0]       = (s->me.xmax<<shift);
738

    
739
        /* special case for first line */
740
        if (s->first_slice_line && block<2) {
741
            s->me.pred_x= pred_x4= P_LEFT[0];
742
            s->me.pred_y= pred_y4= P_LEFT[1];
743
        } else {
744
            P_TOP[0]      = s->current_picture.motion_val[0][mot_xy - mot_stride             ][0];
745
            P_TOP[1]      = s->current_picture.motion_val[0][mot_xy - mot_stride             ][1];
746
            P_TOPRIGHT[0] = s->current_picture.motion_val[0][mot_xy - mot_stride + off[block]][0];
747
            P_TOPRIGHT[1] = s->current_picture.motion_val[0][mot_xy - mot_stride + off[block]][1];
748
            if(P_TOP[1]      > (s->me.ymax<<shift)) P_TOP[1]     = (s->me.ymax<<shift);
749
            if(P_TOPRIGHT[0] < (s->me.xmin<<shift)) P_TOPRIGHT[0]= (s->me.xmin<<shift);
750
            if(P_TOPRIGHT[0] > (s->me.xmax<<shift)) P_TOPRIGHT[0]= (s->me.xmax<<shift);
751
            if(P_TOPRIGHT[1] > (s->me.ymax<<shift)) P_TOPRIGHT[1]= (s->me.ymax<<shift);
752
    
753
            P_MEDIAN[0]= mid_pred(P_LEFT[0], P_TOP[0], P_TOPRIGHT[0]);
754
            P_MEDIAN[1]= mid_pred(P_LEFT[1], P_TOP[1], P_TOPRIGHT[1]);
755

    
756
            s->me.pred_x= pred_x4 = P_MEDIAN[0];
757
            s->me.pred_y= pred_y4 = P_MEDIAN[1];
758
        }
759
        P_MV1[0]= mx;
760
        P_MV1[1]= my;
761

    
762
        dmin4 = epzs_motion_search4(s, &mx4, &my4, P, block, block, s->p_mv_table, (1<<16)>>shift);
763

    
764
        dmin4= s->me.sub_motion_search(s, &mx4, &my4, dmin4, block, block, size, h);
765
        
766
        if(s->dsp.me_sub_cmp[0] != s->dsp.mb_cmp[0]){
767
            int dxy;
768
            const int offset= ((block&1) + (block>>1)*stride)*8;
769
            uint8_t *dest_y = s->me.scratchpad + offset;
770
            if(s->quarter_sample){
771
                uint8_t *ref= c->ref[block][0] + (mx4>>2) + (my4>>2)*stride;
772
                dxy = ((my4 & 3) << 2) | (mx4 & 3);
773

    
774
                if(s->no_rounding)
775
                    s->dsp.put_no_rnd_qpel_pixels_tab[1][dxy](dest_y   , ref    , stride);
776
                else
777
                    s->dsp.put_qpel_pixels_tab       [1][dxy](dest_y   , ref    , stride);
778
            }else{
779
                uint8_t *ref= c->ref[block][0] + (mx4>>1) + (my4>>1)*stride;
780
                dxy = ((my4 & 1) << 1) | (mx4 & 1);
781

    
782
                if(s->no_rounding)
783
                    s->dsp.put_no_rnd_pixels_tab[1][dxy](dest_y    , ref    , stride, h);
784
                else
785
                    s->dsp.put_pixels_tab       [1][dxy](dest_y    , ref    , stride, h);
786
            }
787
            dmin_sum+= (mv_penalty[mx4-pred_x4] + mv_penalty[my4-pred_y4])*s->me.mb_penalty_factor;
788
        }else
789
            dmin_sum+= dmin4;
790

    
791
        if(s->quarter_sample){
792
            mx4_sum+= mx4/2;
793
            my4_sum+= my4/2;
794
        }else{
795
            mx4_sum+= mx4;
796
            my4_sum+= my4;
797
        }
798
            
799
        s->current_picture.motion_val[0][ s->block_index[block] ][0]= mx4;
800
        s->current_picture.motion_val[0][ s->block_index[block] ][1]= my4;
801

    
802
        if(mx4 != mx || my4 != my) same=0;
803
    }
804
    
805
    if(same)
806
        return INT_MAX;
807
    
808
    if(s->dsp.me_sub_cmp[0] != s->dsp.mb_cmp[0]){
809
        dmin_sum += s->dsp.mb_cmp[0](s, s->new_picture.data[0] + s->mb_x*16 + s->mb_y*16*stride, s->me.scratchpad, stride, 16);
810
    }
811
    
812
    if(s->avctx->mb_cmp&FF_CMP_CHROMA){
813
        int dxy;
814
        int mx, my;
815
        int offset;
816

    
817
        mx= ff_h263_round_chroma(mx4_sum);
818
        my= ff_h263_round_chroma(my4_sum);
819
        dxy = ((my & 1) << 1) | (mx & 1);
820
        
821
        offset= (s->mb_x*8 + (mx>>1)) + (s->mb_y*8 + (my>>1))*s->uvlinesize;
822
       
823
        if(s->no_rounding){
824
            s->dsp.put_no_rnd_pixels_tab[1][dxy](s->me.scratchpad    , s->last_picture.data[1] + offset, s->uvlinesize, 8);
825
            s->dsp.put_no_rnd_pixels_tab[1][dxy](s->me.scratchpad+8  , s->last_picture.data[2] + offset, s->uvlinesize, 8);
826
        }else{
827
            s->dsp.put_pixels_tab       [1][dxy](s->me.scratchpad    , s->last_picture.data[1] + offset, s->uvlinesize, 8);
828
            s->dsp.put_pixels_tab       [1][dxy](s->me.scratchpad+8  , s->last_picture.data[2] + offset, s->uvlinesize, 8);
829
        }
830

    
831
        dmin_sum += s->dsp.mb_cmp[1](s, s->new_picture.data[1] + s->mb_x*8 + s->mb_y*8*s->uvlinesize, s->me.scratchpad  , s->uvlinesize, 8);
832
        dmin_sum += s->dsp.mb_cmp[1](s, s->new_picture.data[2] + s->mb_x*8 + s->mb_y*8*s->uvlinesize, s->me.scratchpad+8, s->uvlinesize, 8);
833
    }
834
    
835
    s->me.pred_x= mx;
836
    s->me.pred_y= my;
837

    
838
    switch(s->avctx->mb_cmp&0xFF){
839
    /*case FF_CMP_SSE:
840
        return dmin_sum+ 32*s->qscale*s->qscale;*/
841
    case FF_CMP_RD:
842
        return dmin_sum;
843
    default:
844
        return dmin_sum+ 11*s->me.mb_penalty_factor;
845
    }
846
}
847

    
848
static inline void init_interlaced_ref(MpegEncContext *s, int ref_index){
849
    MotionEstContext * const c= &s->me;
850

    
851
    c->ref[1+ref_index][0] = c->ref[0+ref_index][0] + s->linesize;
852
    c->src[1][0] = c->src[0][0] + s->linesize;
853
    if(c->flags & FLAG_CHROMA){
854
        c->ref[1+ref_index][1] = c->ref[0+ref_index][1] + s->uvlinesize;
855
        c->ref[1+ref_index][2] = c->ref[0+ref_index][2] + s->uvlinesize;
856
        c->src[1][1] = c->src[0][1] + s->uvlinesize;
857
        c->src[1][2] = c->src[0][2] + s->uvlinesize;
858
    }
859
}
860

    
861
static int interlaced_search(MpegEncContext *s, int ref_index, 
862
                             int16_t (*mv_tables[2][2])[2], uint8_t *field_select_tables[2], int mx, int my, int user_field_select)
863
{
864
    MotionEstContext * const c= &s->me;
865
    const int size=0;
866
    const int h=8;
867
    int block;
868
    int P[10][2];
869
    uint8_t * const mv_penalty= c->current_mv_penalty;
870
    int same=1;
871
    const int stride= 2*s->linesize;
872
    const int uvstride= 2*s->uvlinesize;
873
    int dmin_sum= 0;
874
    const int mot_stride= s->mb_stride;
875
    const int xy= s->mb_x + s->mb_y*mot_stride;
876
    
877
    c->ymin>>=1;
878
    c->ymax>>=1;
879
    c->stride<<=1;
880
    c->uvstride<<=1;
881
    init_interlaced_ref(s, ref_index);
882
    
883
    for(block=0; block<2; block++){
884
        int field_select;
885
        int best_dmin= INT_MAX;
886
        int best_field= -1;
887

    
888
        for(field_select=0; field_select<2; field_select++){
889
            int dmin, mx_i, my_i;
890
            int16_t (*mv_table)[2]= mv_tables[block][field_select];
891
            
892
            if(user_field_select){
893
                if(field_select_tables[block][xy] != field_select)
894
                    continue;
895
            }
896
            
897
            P_LEFT[0] = mv_table[xy - 1][0];
898
            P_LEFT[1] = mv_table[xy - 1][1];
899
            if(P_LEFT[0]       > (c->xmax<<1)) P_LEFT[0]       = (c->xmax<<1);
900
            
901
            s->me.pred_x= P_LEFT[0];
902
            s->me.pred_y= P_LEFT[1];
903
            
904
            if(!s->first_slice_line){
905
                P_TOP[0]      = mv_table[xy - mot_stride][0];
906
                P_TOP[1]      = mv_table[xy - mot_stride][1];
907
                P_TOPRIGHT[0] = mv_table[xy - mot_stride + 1][0];
908
                P_TOPRIGHT[1] = mv_table[xy - mot_stride + 1][1];
909
                if(P_TOP[1]      > (c->ymax<<1)) P_TOP[1]     = (c->ymax<<1);
910
                if(P_TOPRIGHT[0] < (c->xmin<<1)) P_TOPRIGHT[0]= (c->xmin<<1);
911
                if(P_TOPRIGHT[0] > (c->xmax<<1)) P_TOPRIGHT[0]= (c->xmax<<1);
912
                if(P_TOPRIGHT[1] > (c->ymax<<1)) P_TOPRIGHT[1]= (c->ymax<<1);
913
    
914
                P_MEDIAN[0]= mid_pred(P_LEFT[0], P_TOP[0], P_TOPRIGHT[0]);
915
                P_MEDIAN[1]= mid_pred(P_LEFT[1], P_TOP[1], P_TOPRIGHT[1]);
916
            }
917
            P_MV1[0]= mx; //FIXME not correct if block != field_select
918
            P_MV1[1]= my / 2;
919
            
920
            dmin = epzs_motion_search2(s, &mx_i, &my_i, P, block, field_select+ref_index, mv_table, (1<<16)>>1);
921

    
922
            dmin= c->sub_motion_search(s, &mx_i, &my_i, dmin, block, field_select+ref_index, size, h);
923
            
924
            mv_table[xy][0]= mx_i;
925
            mv_table[xy][1]= my_i;
926
            
927
            if(s->dsp.me_sub_cmp[0] != s->dsp.mb_cmp[0]){
928
                int dxy;
929

    
930
                //FIXME chroma ME
931
                uint8_t *ref= c->ref[field_select+ref_index][0] + (mx_i>>1) + (my_i>>1)*stride;
932
                dxy = ((my_i & 1) << 1) | (mx_i & 1);
933

    
934
                if(s->no_rounding){
935
                    s->dsp.put_no_rnd_pixels_tab[size][dxy](c->scratchpad, ref    , stride, h);
936
                }else{
937
                    s->dsp.put_pixels_tab       [size][dxy](c->scratchpad, ref    , stride, h);
938
                }
939
                dmin= s->dsp.mb_cmp[size](s, c->src[block][0], c->scratchpad, stride, h);
940
                dmin+= (mv_penalty[mx_i-s->me.pred_x] + mv_penalty[my_i-s->me.pred_y] + 1)*c->mb_penalty_factor;
941
            }else
942
                dmin+= c->mb_penalty_factor; //field_select bits
943
                
944
            dmin += field_select != block; //slightly prefer same field
945
            
946
            if(dmin < best_dmin){
947
                best_dmin= dmin;
948
                best_field= field_select;
949
            }
950
        }
951
        {
952
            int16_t (*mv_table)[2]= mv_tables[block][best_field];
953

    
954
            if(mv_table[xy][0] != mx) same=0; //FIXME check if these checks work and are any good at all
955
            if(mv_table[xy][1]&1) same=0;
956
            if(mv_table[xy][1]*2 != my) same=0; 
957
            if(best_field != block) same=0;
958
        }
959

    
960
        field_select_tables[block][xy]= best_field;
961
        dmin_sum += best_dmin;
962
    }
963
    
964
    c->ymin<<=1;
965
    c->ymax<<=1;
966
    c->stride>>=1;
967
    c->uvstride>>=1;
968

    
969
    if(same)
970
        return INT_MAX;
971
    
972
    switch(s->avctx->mb_cmp&0xFF){
973
    /*case FF_CMP_SSE:
974
        return dmin_sum+ 32*s->qscale*s->qscale;*/
975
    case FF_CMP_RD:
976
        return dmin_sum;
977
    default:
978
        return dmin_sum+ 11*c->mb_penalty_factor;
979
    }
980
}
981

    
982
static inline int check_input_motion(MpegEncContext * s, int mb_x, int mb_y, int p_type){
983
    MotionEstContext * const c= &s->me;
984
    Picture *p= s->current_picture_ptr;
985
    int mb_xy= mb_x + mb_y*s->mb_stride;
986
    int xy= 2*mb_x + 2*mb_y*s->b8_stride;
987
    int mb_type= s->current_picture.mb_type[mb_xy];
988
    int flags= c->flags;
989
    int shift= (flags&FLAG_QPEL) + 1;
990
    int mask= (1<<shift)-1;
991
    int x, y, i;
992
    int d=0;
993
    me_cmp_func cmpf= s->dsp.sse[0];
994
    me_cmp_func chroma_cmpf= s->dsp.sse[1];
995
    
996
    assert(p_type==0 || !USES_LIST(mb_type, 1));
997
    assert(IS_INTRA(mb_type) || USES_LIST(mb_type,0) || USES_LIST(mb_type,1));
998
    
999
    if(IS_INTERLACED(mb_type)){
1000
        int xy2= xy  + s->b8_stride;
1001
        s->mb_type[mb_xy]=CANDIDATE_MB_TYPE_INTRA;
1002
        c->stride<<=1;
1003
        c->uvstride<<=1;
1004
        
1005
        assert(s->flags & CODEC_FLAG_INTERLACED_ME);
1006

    
1007
        if(USES_LIST(mb_type, 0)){
1008
            int field_select0= p->ref_index[0][xy ];
1009
            int field_select1= p->ref_index[0][xy2];
1010
            assert(field_select0==0 ||field_select0==1);
1011
            assert(field_select1==0 ||field_select1==1);
1012
            init_interlaced_ref(s, 0);
1013

    
1014
            if(p_type){
1015
                s->p_field_select_table[0][mb_xy]= field_select0;
1016
                s->p_field_select_table[1][mb_xy]= field_select1;
1017
                *(uint32_t*)s->p_field_mv_table[0][field_select0][mb_xy]= *(uint32_t*)p->motion_val[0][xy ];
1018
                *(uint32_t*)s->p_field_mv_table[1][field_select1][mb_xy]= *(uint32_t*)p->motion_val[0][xy2];
1019
                s->mb_type[mb_xy]=CANDIDATE_MB_TYPE_INTER_I;
1020
            }else{
1021
                s->b_field_select_table[0][0][mb_xy]= field_select0;
1022
                s->b_field_select_table[0][1][mb_xy]= field_select1;
1023
                *(uint32_t*)s->b_field_mv_table[0][0][field_select0][mb_xy]= *(uint32_t*)p->motion_val[0][xy ];
1024
                *(uint32_t*)s->b_field_mv_table[0][1][field_select1][mb_xy]= *(uint32_t*)p->motion_val[0][xy2];
1025
                s->mb_type[mb_xy]= CANDIDATE_MB_TYPE_FORWARD_I;
1026
            }
1027

    
1028
            x= p->motion_val[0][xy ][0]; 
1029
            y= p->motion_val[0][xy ][1];
1030
            d = cmp(s, x>>shift, y>>shift, x&mask, y&mask, 0, 8, field_select0, 0, cmpf, chroma_cmpf, flags);
1031
            x= p->motion_val[0][xy2][0]; 
1032
            y= p->motion_val[0][xy2][1];
1033
            d+= cmp(s, x>>shift, y>>shift, x&mask, y&mask, 0, 8, field_select1, 1, cmpf, chroma_cmpf, flags);
1034
        }
1035
        if(USES_LIST(mb_type, 1)){
1036
            int field_select0= p->ref_index[1][xy ];
1037
            int field_select1= p->ref_index[1][xy2];
1038
            assert(field_select0==0 ||field_select0==1);
1039
            assert(field_select1==0 ||field_select1==1);
1040
            init_interlaced_ref(s, 2);
1041

    
1042
            s->b_field_select_table[1][0][mb_xy]= field_select0;
1043
            s->b_field_select_table[1][1][mb_xy]= field_select1;
1044
            *(uint32_t*)s->b_field_mv_table[1][0][field_select0][mb_xy]= *(uint32_t*)p->motion_val[1][xy ];
1045
            *(uint32_t*)s->b_field_mv_table[1][1][field_select1][mb_xy]= *(uint32_t*)p->motion_val[1][xy2];
1046
            if(USES_LIST(mb_type, 0)){
1047
                s->mb_type[mb_xy]= CANDIDATE_MB_TYPE_BIDIR_I;
1048
            }else{
1049
                s->mb_type[mb_xy]= CANDIDATE_MB_TYPE_BACKWARD_I;
1050
            }
1051

    
1052
            x= p->motion_val[1][xy ][0]; 
1053
            y= p->motion_val[1][xy ][1];
1054
            d = cmp(s, x>>shift, y>>shift, x&mask, y&mask, 0, 8, field_select0+2, 0, cmpf, chroma_cmpf, flags);
1055
            x= p->motion_val[1][xy2][0]; 
1056
            y= p->motion_val[1][xy2][1];
1057
            d+= cmp(s, x>>shift, y>>shift, x&mask, y&mask, 0, 8, field_select1+2, 1, cmpf, chroma_cmpf, flags);
1058
            //FIXME bidir scores
1059
        }
1060
        c->stride>>=1;
1061
        c->uvstride>>=1;
1062
    }else if(IS_8X8(mb_type)){
1063
        assert(s->flags & CODEC_FLAG_4MV);
1064
        cmpf= s->dsp.sse[1];
1065
        chroma_cmpf= s->dsp.sse[1];
1066
        init_mv4_ref(s);
1067
        for(i=0; i<4; i++){
1068
            xy= s->block_index[i];
1069
            x= p->motion_val[0][xy][0]; 
1070
            y= p->motion_val[0][xy][1];
1071
            d+= cmp(s, x>>shift, y>>shift, x&mask, y&mask, 1, 8, i, i, cmpf, chroma_cmpf, flags);
1072
        }
1073
        s->mb_type[mb_xy]=CANDIDATE_MB_TYPE_INTER4V;
1074
    }else{
1075
        if(USES_LIST(mb_type, 0)){
1076
            if(p_type){
1077
                *(uint32_t*)s->p_mv_table[mb_xy]= *(uint32_t*)p->motion_val[0][xy];
1078
                s->mb_type[mb_xy]=CANDIDATE_MB_TYPE_INTER;
1079
            }else if(USES_LIST(mb_type, 1)){
1080
                *(uint32_t*)s->b_bidir_forw_mv_table[mb_xy]= *(uint32_t*)p->motion_val[0][xy];
1081
                *(uint32_t*)s->b_bidir_back_mv_table[mb_xy]= *(uint32_t*)p->motion_val[1][xy];
1082
                s->mb_type[mb_xy]=CANDIDATE_MB_TYPE_BIDIR;
1083
            }else{
1084
                *(uint32_t*)s->b_forw_mv_table[mb_xy]= *(uint32_t*)p->motion_val[0][xy];
1085
                s->mb_type[mb_xy]=CANDIDATE_MB_TYPE_FORWARD;
1086
            }
1087
            x= p->motion_val[0][xy][0]; 
1088
            y= p->motion_val[0][xy][1];
1089
            d = cmp(s, x>>shift, y>>shift, x&mask, y&mask, 0, 16, 0, 0, cmpf, chroma_cmpf, flags);
1090
        }else if(USES_LIST(mb_type, 1)){
1091
            *(uint32_t*)s->b_back_mv_table[mb_xy]= *(uint32_t*)p->motion_val[1][xy];
1092
            s->mb_type[mb_xy]=CANDIDATE_MB_TYPE_BACKWARD;
1093
           
1094
            x= p->motion_val[1][xy][0]; 
1095
            y= p->motion_val[1][xy][1];
1096
            d = cmp(s, x>>shift, y>>shift, x&mask, y&mask, 0, 16, 2, 0, cmpf, chroma_cmpf, flags);
1097
        }else
1098
            s->mb_type[mb_xy]=CANDIDATE_MB_TYPE_INTRA;
1099
    }
1100
    return d;
1101
}
1102

    
1103
void ff_estimate_p_frame_motion(MpegEncContext * s,
1104
                                int mb_x, int mb_y)
1105
{
1106
    MotionEstContext * const c= &s->me;
1107
    uint8_t *pix, *ppix;
1108
    int sum, varc, vard, mx, my, dmin;
1109
    int P[10][2];
1110
    const int shift= 1+s->quarter_sample;
1111
    int mb_type=0;
1112
    Picture * const pic= &s->current_picture;
1113
    
1114
    init_ref(s, s->new_picture.data, s->last_picture.data, NULL, 16*mb_x, 16*mb_y, 0);
1115

    
1116
    assert(s->quarter_sample==0 || s->quarter_sample==1);
1117
    assert(s->linesize == s->me.stride);
1118
    assert(s->uvlinesize == s->me.uvstride);
1119

    
1120
    s->me.penalty_factor    = get_penalty_factor(s, s->avctx->me_cmp);
1121
    s->me.sub_penalty_factor= get_penalty_factor(s, s->avctx->me_sub_cmp);
1122
    s->me.mb_penalty_factor = get_penalty_factor(s, s->avctx->mb_cmp);
1123
    s->me.current_mv_penalty= s->me.mv_penalty[s->f_code] + MAX_MV;
1124

    
1125
    get_limits(s, 16*mb_x, 16*mb_y);
1126
    s->me.skip=0;
1127

    
1128
    /* intra / predictive decision */
1129
    pix = c->src[0][0];
1130
    sum = s->dsp.pix_sum(pix, s->linesize);
1131
    varc = (s->dsp.pix_norm1(pix, s->linesize) - (((unsigned)(sum*sum))>>8) + 500 + 128)>>8;
1132

    
1133
    pic->mb_mean[s->mb_stride * mb_y + mb_x] = (sum+128)>>8;
1134
    pic->mb_var [s->mb_stride * mb_y + mb_x] = varc;
1135
    s->mb_var_sum_temp += varc;
1136

    
1137
    if(s->avctx->me_threshold){
1138
        vard= (check_input_motion(s, mb_x, mb_y, 1)+128)>>8;
1139
        
1140
        if(vard<s->avctx->me_threshold){
1141
            pic->mc_mb_var[s->mb_stride * mb_y + mb_x] = vard;
1142
            s->mc_mb_var_sum_temp += vard;
1143
            if (vard <= 64 || vard < varc) { //FIXME
1144
                s->scene_change_score+= ff_sqrt(vard) - ff_sqrt(varc);
1145
            }else{
1146
                s->scene_change_score+= s->qscale;
1147
            }
1148
            return;
1149
        }
1150
        if(vard<s->avctx->mb_threshold)
1151
            mb_type= s->mb_type[mb_x + mb_y*s->mb_stride];
1152
    }
1153

    
1154
    switch(s->me_method) {
1155
    case ME_ZERO:
1156
    default:
1157
        no_motion_search(s, &mx, &my);
1158
        mx-= mb_x*16;
1159
        my-= mb_y*16;
1160
        dmin = 0;
1161
        break;
1162
#if 0
1163
    case ME_FULL:
1164
        dmin = full_motion_search(s, &mx, &my, range, ref_picture);
1165
        mx-= mb_x*16;
1166
        my-= mb_y*16;
1167
        break;
1168
    case ME_LOG:
1169
        dmin = log_motion_search(s, &mx, &my, range / 2, ref_picture);
1170
        mx-= mb_x*16;
1171
        my-= mb_y*16;
1172
        break;
1173
    case ME_PHODS:
1174
        dmin = phods_motion_search(s, &mx, &my, range / 2, ref_picture);
1175
        mx-= mb_x*16;
1176
        my-= mb_y*16;
1177
        break;
1178
#endif
1179
    case ME_X1:
1180
    case ME_EPZS:
1181
       {
1182
            const int mot_stride = s->b8_stride;
1183
            const int mot_xy = s->block_index[0];
1184

    
1185
            P_LEFT[0]       = s->current_picture.motion_val[0][mot_xy - 1][0];
1186
            P_LEFT[1]       = s->current_picture.motion_val[0][mot_xy - 1][1];
1187

    
1188
            if(P_LEFT[0]       > (s->me.xmax<<shift)) P_LEFT[0]       = (s->me.xmax<<shift);
1189

    
1190
            if(!s->first_slice_line) {
1191
                P_TOP[0]      = s->current_picture.motion_val[0][mot_xy - mot_stride    ][0];
1192
                P_TOP[1]      = s->current_picture.motion_val[0][mot_xy - mot_stride    ][1];
1193
                P_TOPRIGHT[0] = s->current_picture.motion_val[0][mot_xy - mot_stride + 2][0];
1194
                P_TOPRIGHT[1] = s->current_picture.motion_val[0][mot_xy - mot_stride + 2][1];
1195
                if(P_TOP[1]      > (s->me.ymax<<shift)) P_TOP[1]     = (s->me.ymax<<shift);
1196
                if(P_TOPRIGHT[0] < (s->me.xmin<<shift)) P_TOPRIGHT[0]= (s->me.xmin<<shift);
1197
                if(P_TOPRIGHT[1] > (s->me.ymax<<shift)) P_TOPRIGHT[1]= (s->me.ymax<<shift);
1198
        
1199
                P_MEDIAN[0]= mid_pred(P_LEFT[0], P_TOP[0], P_TOPRIGHT[0]);
1200
                P_MEDIAN[1]= mid_pred(P_LEFT[1], P_TOP[1], P_TOPRIGHT[1]);
1201

    
1202
                if(s->out_format == FMT_H263){
1203
                    c->pred_x = P_MEDIAN[0];
1204
                    c->pred_y = P_MEDIAN[1];
1205
                }else { /* mpeg1 at least */
1206
                    c->pred_x= P_LEFT[0];
1207
                    c->pred_y= P_LEFT[1];
1208
                }
1209
            }else{
1210
                c->pred_x= P_LEFT[0];
1211
                c->pred_y= P_LEFT[1];
1212
            }
1213

    
1214
        }
1215
        dmin = epzs_motion_search(s, &mx, &my, P, 0, 0, s->p_mv_table, (1<<16)>>shift);       
1216

    
1217
        break;
1218
    }
1219

    
1220
    /* At this point (mx,my) are full-pell and the relative displacement */
1221
    ppix = c->ref[0][0] + (my * s->linesize) + mx;
1222
        
1223
    vard = (s->dsp.sse[0](NULL, pix, ppix, s->linesize, 16)+128)>>8;
1224

    
1225
    pic->mc_mb_var[s->mb_stride * mb_y + mb_x] = vard;
1226
//    pic->mb_cmp_score[s->mb_stride * mb_y + mb_x] = dmin; 
1227
    s->mc_mb_var_sum_temp += vard;
1228
    
1229
#if 0
1230
    printf("varc=%4d avg_var=%4d (sum=%4d) vard=%4d mx=%2d my=%2d\n",
1231
           varc, s->avg_mb_var, sum, vard, mx - xx, my - yy);
1232
#endif
1233
    if(mb_type){
1234
        if (vard <= 64 || vard < varc)
1235
            s->scene_change_score+= ff_sqrt(vard) - ff_sqrt(varc);
1236
        else
1237
            s->scene_change_score+= s->qscale;
1238

    
1239
        if(mb_type == CANDIDATE_MB_TYPE_INTER){
1240
            s->me.sub_motion_search(s, &mx, &my, dmin, 0, 0, 0, 16);
1241
            set_p_mv_tables(s, mx, my, 1);
1242
        }else{
1243
            mx <<=shift;
1244
            my <<=shift;
1245
        }
1246
        if(mb_type == CANDIDATE_MB_TYPE_INTER4V){
1247
            h263_mv4_search(s, mx, my, shift);
1248

    
1249
            set_p_mv_tables(s, mx, my, 0);
1250
        }
1251
        if(mb_type == CANDIDATE_MB_TYPE_INTER_I){
1252
            interlaced_search(s, 0, s->p_field_mv_table, s->p_field_select_table, mx, my, 1);
1253
        }
1254
    }else if(s->avctx->mb_decision > FF_MB_DECISION_SIMPLE){
1255
        if (vard <= 64 || vard < varc)
1256
            s->scene_change_score+= ff_sqrt(vard) - ff_sqrt(varc);
1257
        else
1258
            s->scene_change_score+= s->qscale;
1259

    
1260
        if (vard*2 + 200 > varc)
1261
            mb_type|= CANDIDATE_MB_TYPE_INTRA;
1262
        if (varc*2 + 200 > vard){
1263
            mb_type|= CANDIDATE_MB_TYPE_INTER;
1264
            s->me.sub_motion_search(s, &mx, &my, dmin, 0, 0, 0, 16);
1265
            if(s->flags&CODEC_FLAG_MV0)
1266
                if(mx || my)
1267
                    mb_type |= CANDIDATE_MB_TYPE_SKIPED; //FIXME check difference
1268
        }else{
1269
            mx <<=shift;
1270
            my <<=shift;
1271
        }
1272
        if((s->flags&CODEC_FLAG_4MV)
1273
           && !s->me.skip && varc>50 && vard>10){
1274
            if(h263_mv4_search(s, mx, my, shift) < INT_MAX)
1275
                mb_type|=CANDIDATE_MB_TYPE_INTER4V;
1276

    
1277
            set_p_mv_tables(s, mx, my, 0);
1278
        }else
1279
            set_p_mv_tables(s, mx, my, 1);
1280
        if((s->flags&CODEC_FLAG_INTERLACED_ME)
1281
           && !s->me.skip){ //FIXME varc/d checks
1282
            if(interlaced_search(s, 0, s->p_field_mv_table, s->p_field_select_table, mx, my, 0) < INT_MAX)
1283
                mb_type |= CANDIDATE_MB_TYPE_INTER_I;
1284
        }
1285
    }else{
1286
        int intra_score, i;
1287
        mb_type= CANDIDATE_MB_TYPE_INTER;
1288

    
1289
        dmin= s->me.sub_motion_search(s, &mx, &my, dmin, 0, 0, 0, 16);
1290
        if(s->avctx->me_sub_cmp != s->avctx->mb_cmp && !s->me.skip)
1291
            dmin= get_mb_score(s, mx, my, 0, 0);
1292

    
1293
        if((s->flags&CODEC_FLAG_4MV)
1294
           && !s->me.skip && varc>50 && vard>10){
1295
            int dmin4= h263_mv4_search(s, mx, my, shift);
1296
            if(dmin4 < dmin){
1297
                mb_type= CANDIDATE_MB_TYPE_INTER4V;
1298
                dmin=dmin4;
1299
            }
1300
        }
1301
        if((s->flags&CODEC_FLAG_INTERLACED_ME)
1302
           && !s->me.skip){ //FIXME varc/d checks
1303
            int dmin_i= interlaced_search(s, 0, s->p_field_mv_table, s->p_field_select_table, mx, my, 0);
1304
            if(dmin_i < dmin){
1305
                mb_type = CANDIDATE_MB_TYPE_INTER_I;
1306
                dmin= dmin_i;
1307
            }
1308
        }
1309
                
1310
//        pic->mb_cmp_score[s->mb_stride * mb_y + mb_x] = dmin; 
1311
        set_p_mv_tables(s, mx, my, mb_type!=CANDIDATE_MB_TYPE_INTER4V);
1312

    
1313
        /* get intra luma score */
1314
        if((s->avctx->mb_cmp&0xFF)==FF_CMP_SSE){
1315
            intra_score= (varc<<8) - 500; //FIXME dont scale it down so we dont have to fix it
1316
        }else{
1317
            int mean= (sum+128)>>8;
1318
            mean*= 0x01010101;
1319
            
1320
            for(i=0; i<16; i++){
1321
                *(uint32_t*)(&s->me.scratchpad[i*s->linesize+ 0]) = mean;
1322
                *(uint32_t*)(&s->me.scratchpad[i*s->linesize+ 4]) = mean;
1323
                *(uint32_t*)(&s->me.scratchpad[i*s->linesize+ 8]) = mean;
1324
                *(uint32_t*)(&s->me.scratchpad[i*s->linesize+12]) = mean;
1325
            }
1326

    
1327
            intra_score= s->dsp.mb_cmp[0](s, s->me.scratchpad, pix, s->linesize, 16);
1328
        }
1329
#if 0 //FIXME
1330
        /* get chroma score */
1331
        if(s->avctx->mb_cmp&FF_CMP_CHROMA){
1332
            for(i=1; i<3; i++){
1333
                uint8_t *dest_c;
1334
                int mean;
1335
                
1336
                if(s->out_format == FMT_H263){
1337
                    mean= (s->dc_val[i][mb_x + mb_y*s->b8_stride] + 4)>>3; //FIXME not exact but simple ;)
1338
                }else{
1339
                    mean= (s->last_dc[i] + 4)>>3;
1340
                }
1341
                dest_c = s->new_picture.data[i] + (mb_y * 8  * (s->uvlinesize)) + mb_x * 8;
1342
                
1343
                mean*= 0x01010101;
1344
                for(i=0; i<8; i++){
1345
                    *(uint32_t*)(&s->me.scratchpad[i*s->uvlinesize+ 0]) = mean;
1346
                    *(uint32_t*)(&s->me.scratchpad[i*s->uvlinesize+ 4]) = mean;
1347
                }
1348
                
1349
                intra_score+= s->dsp.mb_cmp[1](s, s->me.scratchpad, dest_c, s->uvlinesize);
1350
            }                
1351
        }
1352
#endif
1353
        intra_score += s->me.mb_penalty_factor*16;
1354
        
1355
        if(intra_score < dmin){
1356
            mb_type= CANDIDATE_MB_TYPE_INTRA;
1357
            s->current_picture.mb_type[mb_y*s->mb_stride + mb_x]= CANDIDATE_MB_TYPE_INTRA; //FIXME cleanup
1358
        }else
1359
            s->current_picture.mb_type[mb_y*s->mb_stride + mb_x]= 0;
1360
        
1361
        if (vard <= 64 || vard < varc) { //FIXME
1362
            s->scene_change_score+= ff_sqrt(vard) - ff_sqrt(varc);
1363
        }else{
1364
            s->scene_change_score+= s->qscale;
1365
        }
1366
    }
1367

    
1368
    s->mb_type[mb_y*s->mb_stride + mb_x]= mb_type;
1369
}
1370

    
1371
int ff_pre_estimate_p_frame_motion(MpegEncContext * s,
1372
                                    int mb_x, int mb_y)
1373
{
1374
    MotionEstContext * const c= &s->me;
1375
    int mx, my, dmin;
1376
    int P[10][2];
1377
    const int shift= 1+s->quarter_sample;
1378
    const int xy= mb_x + mb_y*s->mb_stride;
1379
    init_ref(s, s->new_picture.data, s->last_picture.data, NULL, 16*mb_x, 16*mb_y, 0);
1380
    
1381
    assert(s->quarter_sample==0 || s->quarter_sample==1);
1382

    
1383
    s->me.pre_penalty_factor    = get_penalty_factor(s, s->avctx->me_pre_cmp);
1384
    s->me.current_mv_penalty= s->me.mv_penalty[s->f_code] + MAX_MV;
1385

    
1386
    get_limits(s, 16*mb_x, 16*mb_y);
1387
    s->me.skip=0;
1388

    
1389
    P_LEFT[0]       = s->p_mv_table[xy + 1][0];
1390
    P_LEFT[1]       = s->p_mv_table[xy + 1][1];
1391

    
1392
    if(P_LEFT[0]       < (s->me.xmin<<shift)) P_LEFT[0]       = (s->me.xmin<<shift);
1393

    
1394
    /* special case for first line */
1395
    if (s->first_slice_line) {
1396
        c->pred_x= P_LEFT[0];
1397
        c->pred_y= P_LEFT[1];
1398
        P_TOP[0]= P_TOPRIGHT[0]= P_MEDIAN[0]=
1399
        P_TOP[1]= P_TOPRIGHT[1]= P_MEDIAN[1]= 0; //FIXME 
1400
    } else {
1401
        P_TOP[0]      = s->p_mv_table[xy + s->mb_stride    ][0];
1402
        P_TOP[1]      = s->p_mv_table[xy + s->mb_stride    ][1];
1403
        P_TOPRIGHT[0] = s->p_mv_table[xy + s->mb_stride - 1][0];
1404
        P_TOPRIGHT[1] = s->p_mv_table[xy + s->mb_stride - 1][1];
1405
        if(P_TOP[1]      < (s->me.ymin<<shift)) P_TOP[1]     = (s->me.ymin<<shift);
1406
        if(P_TOPRIGHT[0] > (s->me.xmax<<shift)) P_TOPRIGHT[0]= (s->me.xmax<<shift);
1407
        if(P_TOPRIGHT[1] < (s->me.ymin<<shift)) P_TOPRIGHT[1]= (s->me.ymin<<shift);
1408
    
1409
        P_MEDIAN[0]= mid_pred(P_LEFT[0], P_TOP[0], P_TOPRIGHT[0]);
1410
        P_MEDIAN[1]= mid_pred(P_LEFT[1], P_TOP[1], P_TOPRIGHT[1]);
1411

    
1412
        c->pred_x = P_MEDIAN[0];
1413
        c->pred_y = P_MEDIAN[1];
1414
    }
1415

    
1416
    dmin = epzs_motion_search(s, &mx, &my, P, 0, 0, s->p_mv_table, (1<<16)>>shift);       
1417

    
1418
    s->p_mv_table[xy][0] = mx<<shift;
1419
    s->p_mv_table[xy][1] = my<<shift;
1420
    
1421
    return dmin;
1422
}
1423

    
1424
static int ff_estimate_motion_b(MpegEncContext * s,
1425
                       int mb_x, int mb_y, int16_t (*mv_table)[2], int ref_index, int f_code)
1426
{
1427
    int mx, my, dmin;
1428
    int P[10][2];
1429
    const int shift= 1+s->quarter_sample;
1430
    const int mot_stride = s->mb_stride;
1431
    const int mot_xy = mb_y*mot_stride + mb_x;
1432
    uint8_t * const mv_penalty= s->me.mv_penalty[f_code] + MAX_MV;
1433
    int mv_scale;
1434
        
1435
    s->me.penalty_factor    = get_penalty_factor(s, s->avctx->me_cmp);
1436
    s->me.sub_penalty_factor= get_penalty_factor(s, s->avctx->me_sub_cmp);
1437
    s->me.mb_penalty_factor = get_penalty_factor(s, s->avctx->mb_cmp);
1438
    s->me.current_mv_penalty= mv_penalty;
1439

    
1440
    get_limits(s, 16*mb_x, 16*mb_y);
1441

    
1442
    switch(s->me_method) {
1443
    case ME_ZERO:
1444
    default:
1445
        no_motion_search(s, &mx, &my);
1446
        dmin = 0;
1447
        mx-= mb_x*16;
1448
        my-= mb_y*16;
1449
        break;
1450
#if 0
1451
    case ME_FULL:
1452
        dmin = full_motion_search(s, &mx, &my, range, ref_picture);
1453
        mx-= mb_x*16;
1454
        my-= mb_y*16;
1455
        break;
1456
    case ME_LOG:
1457
        dmin = log_motion_search(s, &mx, &my, range / 2, ref_picture);
1458
        mx-= mb_x*16;
1459
        my-= mb_y*16;
1460
        break;
1461
    case ME_PHODS:
1462
        dmin = phods_motion_search(s, &mx, &my, range / 2, ref_picture);
1463
        mx-= mb_x*16;
1464
        my-= mb_y*16;
1465
        break;
1466
#endif
1467
    case ME_X1:
1468
    case ME_EPZS:
1469
       {
1470
            P_LEFT[0]        = mv_table[mot_xy - 1][0];
1471
            P_LEFT[1]        = mv_table[mot_xy - 1][1];
1472

    
1473
            if(P_LEFT[0]       > (s->me.xmax<<shift)) P_LEFT[0]       = (s->me.xmax<<shift);
1474

    
1475
            /* special case for first line */
1476
            if (!s->first_slice_line) {
1477
                P_TOP[0] = mv_table[mot_xy - mot_stride             ][0];
1478
                P_TOP[1] = mv_table[mot_xy - mot_stride             ][1];
1479
                P_TOPRIGHT[0] = mv_table[mot_xy - mot_stride + 1         ][0];
1480
                P_TOPRIGHT[1] = mv_table[mot_xy - mot_stride + 1         ][1];
1481
                if(P_TOP[1] > (s->me.ymax<<shift)) P_TOP[1]= (s->me.ymax<<shift);
1482
                if(P_TOPRIGHT[0] < (s->me.xmin<<shift)) P_TOPRIGHT[0]= (s->me.xmin<<shift);
1483
                if(P_TOPRIGHT[1] > (s->me.ymax<<shift)) P_TOPRIGHT[1]= (s->me.ymax<<shift);
1484
        
1485
                P_MEDIAN[0]= mid_pred(P_LEFT[0], P_TOP[0], P_TOPRIGHT[0]);
1486
                P_MEDIAN[1]= mid_pred(P_LEFT[1], P_TOP[1], P_TOPRIGHT[1]);
1487
            }
1488
            s->me.pred_x= P_LEFT[0];
1489
            s->me.pred_y= P_LEFT[1];
1490
        }
1491
        
1492
        if(mv_table == s->b_forw_mv_table){
1493
            mv_scale= (s->pb_time<<16) / (s->pp_time<<shift);
1494
        }else{
1495
            mv_scale= ((s->pb_time - s->pp_time)<<16) / (s->pp_time<<shift);
1496
        }
1497
        
1498
        dmin = epzs_motion_search(s, &mx, &my, P, 0, ref_index, s->p_mv_table, mv_scale);
1499
 
1500
        break;
1501
    }
1502
    
1503
    dmin= s->me.sub_motion_search(s, &mx, &my, dmin, 0, ref_index, 0, 16);
1504
                                   
1505
    if(s->avctx->me_sub_cmp != s->avctx->mb_cmp && !s->me.skip)
1506
        dmin= get_mb_score(s, mx, my, 0, ref_index);
1507

    
1508
//printf("%d %d %d %d//", s->mb_x, s->mb_y, mx, my);
1509
//    s->mb_type[mb_y*s->mb_width + mb_x]= mb_type;
1510
    mv_table[mot_xy][0]= mx;
1511
    mv_table[mot_xy][1]= my;
1512

    
1513
    return dmin;
1514
}
1515

    
1516
static inline int check_bidir_mv(MpegEncContext * s,
1517
                   int motion_fx, int motion_fy,
1518
                   int motion_bx, int motion_by,
1519
                   int pred_fx, int pred_fy,
1520
                   int pred_bx, int pred_by,
1521
                   int size, int h)
1522
{
1523
    //FIXME optimize?
1524
    //FIXME better f_code prediction (max mv & distance)
1525
    //FIXME pointers
1526
    MotionEstContext * const c= &s->me;
1527
    uint8_t * const mv_penalty= s->me.mv_penalty[s->f_code] + MAX_MV; // f_code of the prev frame
1528
    int stride= s->me.stride;
1529
    int uvstride= s->me.uvstride;
1530
    uint8_t *dest_y = s->me.scratchpad;
1531
    uint8_t *ptr;
1532
    int dxy;
1533
    int src_x, src_y;
1534
    int fbmin;
1535
    uint8_t **src_data= c->src[0];
1536
    uint8_t **ref_data= c->ref[0];
1537
    uint8_t **ref2_data= c->ref[2];
1538

    
1539
    if(s->quarter_sample){
1540
        dxy = ((motion_fy & 3) << 2) | (motion_fx & 3);
1541
        src_x = motion_fx >> 2;
1542
        src_y = motion_fy >> 2;
1543

    
1544
        ptr = ref_data[0] + (src_y * stride) + src_x;
1545
        s->dsp.put_qpel_pixels_tab[0][dxy](dest_y    , ptr    , stride);
1546

    
1547
        dxy = ((motion_by & 3) << 2) | (motion_bx & 3);
1548
        src_x = motion_bx >> 2;
1549
        src_y = motion_by >> 2;
1550
    
1551
        ptr = ref2_data[0] + (src_y * stride) + src_x;
1552
        s->dsp.avg_qpel_pixels_tab[size][dxy](dest_y    , ptr    , stride);
1553
    }else{
1554
        dxy = ((motion_fy & 1) << 1) | (motion_fx & 1);
1555
        src_x = motion_fx >> 1;
1556
        src_y = motion_fy >> 1;
1557

    
1558
        ptr = ref_data[0] + (src_y * stride) + src_x;
1559
        s->dsp.put_pixels_tab[size][dxy](dest_y    , ptr    , stride, h);
1560

    
1561
        dxy = ((motion_by & 1) << 1) | (motion_bx & 1);
1562
        src_x = motion_bx >> 1;
1563
        src_y = motion_by >> 1;
1564
    
1565
        ptr = ref2_data[0] + (src_y * stride) + src_x;
1566
        s->dsp.avg_pixels_tab[size][dxy](dest_y    , ptr    , stride, h);
1567
    }
1568

    
1569
    fbmin = (mv_penalty[motion_fx-pred_fx] + mv_penalty[motion_fy-pred_fy])*s->me.mb_penalty_factor
1570
           +(mv_penalty[motion_bx-pred_bx] + mv_penalty[motion_by-pred_by])*s->me.mb_penalty_factor
1571
           + s->dsp.mb_cmp[size](s, src_data[0], dest_y, stride, h); //FIXME new_pic
1572
           
1573
    if(s->avctx->mb_cmp&FF_CMP_CHROMA){
1574
    }
1575
    //FIXME CHROMA !!!
1576
           
1577
    return fbmin;
1578
}
1579

    
1580
/* refine the bidir vectors in hq mode and return the score in both lq & hq mode*/
1581
static inline int bidir_refine(MpegEncContext * s, int mb_x, int mb_y)
1582
{
1583
    const int mot_stride = s->mb_stride;
1584
    const int xy = mb_y *mot_stride + mb_x;
1585
    int fbmin;
1586
    int pred_fx= s->b_bidir_forw_mv_table[xy-1][0];
1587
    int pred_fy= s->b_bidir_forw_mv_table[xy-1][1];
1588
    int pred_bx= s->b_bidir_back_mv_table[xy-1][0];
1589
    int pred_by= s->b_bidir_back_mv_table[xy-1][1];
1590
    int motion_fx= s->b_bidir_forw_mv_table[xy][0]= s->b_forw_mv_table[xy][0];
1591
    int motion_fy= s->b_bidir_forw_mv_table[xy][1]= s->b_forw_mv_table[xy][1];
1592
    int motion_bx= s->b_bidir_back_mv_table[xy][0]= s->b_back_mv_table[xy][0];
1593
    int motion_by= s->b_bidir_back_mv_table[xy][1]= s->b_back_mv_table[xy][1];
1594

    
1595
    //FIXME do refinement and add flag
1596
    
1597
    fbmin= check_bidir_mv(s, motion_fx, motion_fy,
1598
                          motion_bx, motion_by,
1599
                          pred_fx, pred_fy,
1600
                          pred_bx, pred_by,
1601
                          0, 16);
1602

    
1603
   return fbmin;
1604
}
1605

    
1606
static inline int direct_search(MpegEncContext * s, int mb_x, int mb_y)
1607
{
1608
    int P[10][2];
1609
    const int mot_stride = s->mb_stride;
1610
    const int mot_xy = mb_y*mot_stride + mb_x;
1611
    const int shift= 1+s->quarter_sample;
1612
    int dmin, i;
1613
    const int time_pp= s->pp_time;
1614
    const int time_pb= s->pb_time;
1615
    int mx, my, xmin, xmax, ymin, ymax;
1616
    int16_t (*mv_table)[2]= s->b_direct_mv_table;
1617
    
1618
    s->me.current_mv_penalty= s->me.mv_penalty[1] + MAX_MV;
1619
    ymin= xmin=(-32)>>shift;
1620
    ymax= xmax=   31>>shift;
1621

    
1622
    if(IS_8X8(s->next_picture.mb_type[mot_xy])){
1623
        s->mv_type= MV_TYPE_8X8;
1624
    }else{
1625
        s->mv_type= MV_TYPE_16X16;
1626
    }
1627

    
1628
    for(i=0; i<4; i++){
1629
        int index= s->block_index[i];
1630
        int min, max;
1631
    
1632
        s->me.co_located_mv[i][0]= s->next_picture.motion_val[0][index][0];
1633
        s->me.co_located_mv[i][1]= s->next_picture.motion_val[0][index][1];
1634
        s->me.direct_basis_mv[i][0]= s->me.co_located_mv[i][0]*time_pb/time_pp + ((i& 1)<<(shift+3));
1635
        s->me.direct_basis_mv[i][1]= s->me.co_located_mv[i][1]*time_pb/time_pp + ((i>>1)<<(shift+3));
1636
//        s->me.direct_basis_mv[1][i][0]= s->me.co_located_mv[i][0]*(time_pb - time_pp)/time_pp + ((i &1)<<(shift+3);
1637
//        s->me.direct_basis_mv[1][i][1]= s->me.co_located_mv[i][1]*(time_pb - time_pp)/time_pp + ((i>>1)<<(shift+3);
1638

    
1639
        max= FFMAX(s->me.direct_basis_mv[i][0], s->me.direct_basis_mv[i][0] - s->me.co_located_mv[i][0])>>shift;
1640
        min= FFMIN(s->me.direct_basis_mv[i][0], s->me.direct_basis_mv[i][0] - s->me.co_located_mv[i][0])>>shift;
1641
        max+= 16*mb_x + 1; // +-1 is for the simpler rounding
1642
        min+= 16*mb_x - 1;
1643
        xmax= FFMIN(xmax, s->width - max);
1644
        xmin= FFMAX(xmin, - 16     - min);
1645

    
1646
        max= FFMAX(s->me.direct_basis_mv[i][1], s->me.direct_basis_mv[i][1] - s->me.co_located_mv[i][1])>>shift;
1647
        min= FFMIN(s->me.direct_basis_mv[i][1], s->me.direct_basis_mv[i][1] - s->me.co_located_mv[i][1])>>shift;
1648
        max+= 16*mb_y + 1; // +-1 is for the simpler rounding
1649
        min+= 16*mb_y - 1;
1650
        ymax= FFMIN(ymax, s->height - max);
1651
        ymin= FFMAX(ymin, - 16      - min);
1652
        
1653
        if(s->mv_type == MV_TYPE_16X16) break;
1654
    }
1655
    
1656
    assert(xmax <= 15 && ymax <= 15 && xmin >= -16 && ymin >= -16);
1657
    
1658
    if(xmax < 0 || xmin >0 || ymax < 0 || ymin > 0){
1659
        s->b_direct_mv_table[mot_xy][0]= 0;
1660
        s->b_direct_mv_table[mot_xy][1]= 0;
1661

    
1662
        return 256*256*256*64;
1663
    }
1664
    
1665
    s->me.xmin= xmin;
1666
    s->me.ymin= ymin;
1667
    s->me.xmax= xmax;
1668
    s->me.ymax= ymax;
1669
    s->me.flags     |= FLAG_DIRECT;
1670
    s->me.sub_flags |= FLAG_DIRECT;
1671
    s->me.pred_x=0;
1672
    s->me.pred_y=0;
1673

    
1674
    P_LEFT[0]        = clip(mv_table[mot_xy - 1][0], xmin<<shift, xmax<<shift);
1675
    P_LEFT[1]        = clip(mv_table[mot_xy - 1][1], ymin<<shift, ymax<<shift);
1676

    
1677
    /* special case for first line */
1678
    if (!s->first_slice_line) { //FIXME maybe allow this over thread boundary as its cliped
1679
        P_TOP[0]      = clip(mv_table[mot_xy - mot_stride             ][0], xmin<<shift, xmax<<shift);
1680
        P_TOP[1]      = clip(mv_table[mot_xy - mot_stride             ][1], ymin<<shift, ymax<<shift);
1681
        P_TOPRIGHT[0] = clip(mv_table[mot_xy - mot_stride + 1         ][0], xmin<<shift, xmax<<shift);
1682
        P_TOPRIGHT[1] = clip(mv_table[mot_xy - mot_stride + 1         ][1], ymin<<shift, ymax<<shift);
1683
    
1684
        P_MEDIAN[0]= mid_pred(P_LEFT[0], P_TOP[0], P_TOPRIGHT[0]);
1685
        P_MEDIAN[1]= mid_pred(P_LEFT[1], P_TOP[1], P_TOPRIGHT[1]);
1686
    }
1687
 
1688
    dmin = epzs_motion_search(s, &mx, &my, P, 0, 0, mv_table, 1<<(16-shift));
1689
    if(s->me.sub_flags&FLAG_QPEL) 
1690
        dmin = qpel_motion_search(s, &mx, &my, dmin, 0, 0, 0, 16);
1691
    else
1692
        dmin = hpel_motion_search(s, &mx, &my, dmin, 0, 0, 0, 16);
1693
    
1694
    if(s->avctx->me_sub_cmp != s->avctx->mb_cmp && !s->me.skip)
1695
        dmin= get_mb_score(s, mx, my, 0, 0);
1696
    
1697
    get_limits(s, 16*mb_x, 16*mb_y); //restore s->me.?min/max, maybe not needed
1698

    
1699
    s->b_direct_mv_table[mot_xy][0]= mx;
1700
    s->b_direct_mv_table[mot_xy][1]= my;
1701
    s->me.flags     &= ~FLAG_DIRECT;
1702
    s->me.sub_flags &= ~FLAG_DIRECT;
1703

    
1704
    return dmin;
1705
}
1706

    
1707
void ff_estimate_b_frame_motion(MpegEncContext * s,
1708
                             int mb_x, int mb_y)
1709
{
1710
    const int penalty_factor= s->me.mb_penalty_factor;
1711
    int fmin, bmin, dmin, fbmin, bimin, fimin;
1712
    int type=0;
1713
    const int xy = mb_y*s->mb_stride + mb_x;
1714
    init_ref(s, s->new_picture.data, s->last_picture.data, s->next_picture.data, 16*mb_x, 16*mb_y, 2);
1715

    
1716
    
1717
    s->me.skip=0;
1718
    if(s->avctx->me_threshold){
1719
        int vard= (check_input_motion(s, mb_x, mb_y, 0)+128)>>8;
1720
        
1721
        if(vard<s->avctx->me_threshold){
1722
//            pix = c->src[0][0];
1723
//            sum = s->dsp.pix_sum(pix, s->linesize);
1724
//            varc = (s->dsp.pix_norm1(pix, s->linesize) - (((unsigned)(sum*sum))>>8) + 500 + 128)>>8;
1725
        
1726
//            pic->mb_var   [s->mb_stride * mb_y + mb_x] = varc;
1727
             s->current_picture.mc_mb_var[s->mb_stride * mb_y + mb_x] = vard;
1728
/*            pic->mb_mean  [s->mb_stride * mb_y + mb_x] = (sum+128)>>8;
1729
            s->mb_var_sum_temp    += varc;*/
1730
            s->mc_mb_var_sum_temp += vard;
1731
/*            if (vard <= 64 || vard < varc) {
1732
                s->scene_change_score+= ff_sqrt(vard) - ff_sqrt(varc);
1733
            }else{
1734
                s->scene_change_score+= s->qscale;
1735
            }*/
1736
            return;
1737
        }
1738
        if(vard<s->avctx->mb_threshold){
1739
            type= s->mb_type[mb_y*s->mb_stride + mb_x];
1740
            if(type == CANDIDATE_MB_TYPE_DIRECT){
1741
                direct_search(s, mb_x, mb_y);
1742
            }
1743
            if(type == CANDIDATE_MB_TYPE_FORWARD || type == CANDIDATE_MB_TYPE_BIDIR){
1744
                s->me.skip=0;
1745
                ff_estimate_motion_b(s, mb_x, mb_y, s->b_forw_mv_table, 0, s->f_code);
1746
            }
1747
            if(type == CANDIDATE_MB_TYPE_BACKWARD || type == CANDIDATE_MB_TYPE_BIDIR){
1748
                s->me.skip=0;
1749
                ff_estimate_motion_b(s, mb_x, mb_y, s->b_back_mv_table, 2, s->b_code);
1750
            }
1751
            if(type == CANDIDATE_MB_TYPE_FORWARD_I || type == CANDIDATE_MB_TYPE_BIDIR_I){
1752
                s->me.skip=0;
1753
                s->me.current_mv_penalty= s->me.mv_penalty[s->f_code] + MAX_MV;
1754
                interlaced_search(s, 0,
1755
                                        s->b_field_mv_table[0], s->b_field_select_table[0],
1756
                                        s->b_forw_mv_table[xy][0], s->b_forw_mv_table[xy][1], 1);
1757
            }
1758
            if(type == CANDIDATE_MB_TYPE_BACKWARD_I || type == CANDIDATE_MB_TYPE_BIDIR_I){
1759
                s->me.skip=0;
1760
                s->me.current_mv_penalty= s->me.mv_penalty[s->b_code] + MAX_MV;
1761
                interlaced_search(s, 2,
1762
                                        s->b_field_mv_table[1], s->b_field_select_table[1],
1763
                                        s->b_back_mv_table[xy][0], s->b_back_mv_table[xy][1], 1);
1764
            }
1765
            return;
1766
        }
1767
    }
1768

    
1769
    if (s->codec_id == CODEC_ID_MPEG4)
1770
        dmin= direct_search(s, mb_x, mb_y);
1771
    else
1772
        dmin= INT_MAX;
1773
//FIXME penalty stuff for non mpeg4
1774
    s->me.skip=0;
1775
    fmin= ff_estimate_motion_b(s, mb_x, mb_y, s->b_forw_mv_table, 0, s->f_code) + 3*penalty_factor;
1776
    
1777
    s->me.skip=0;
1778
    bmin= ff_estimate_motion_b(s, mb_x, mb_y, s->b_back_mv_table, 2, s->b_code) + 2*penalty_factor;
1779
//printf(" %d %d ", s->b_forw_mv_table[xy][0], s->b_forw_mv_table[xy][1]);
1780

    
1781
    s->me.skip=0;
1782
    fbmin= bidir_refine(s, mb_x, mb_y) + penalty_factor;
1783
//printf("%d %d %d %d\n", dmin, fmin, bmin, fbmin);
1784
    
1785
    if(s->flags & CODEC_FLAG_INTERLACED_ME){
1786
//FIXME mb type penalty
1787
        s->me.skip=0;
1788
        s->me.current_mv_penalty= s->me.mv_penalty[s->f_code] + MAX_MV;
1789
        fimin= interlaced_search(s, 0,
1790
                                 s->b_field_mv_table[0], s->b_field_select_table[0],
1791
                                 s->b_forw_mv_table[xy][0], s->b_forw_mv_table[xy][1], 0);
1792
        s->me.current_mv_penalty= s->me.mv_penalty[s->b_code] + MAX_MV;
1793
        bimin= interlaced_search(s, 2,
1794
                                 s->b_field_mv_table[1], s->b_field_select_table[1],
1795
                                 s->b_back_mv_table[xy][0], s->b_back_mv_table[xy][1], 0);
1796
    }else
1797
        fimin= bimin= INT_MAX;
1798

    
1799
    {
1800
        int score= fmin;
1801
        type = CANDIDATE_MB_TYPE_FORWARD;
1802
        
1803
        if (dmin <= score){
1804
            score = dmin;
1805
            type = CANDIDATE_MB_TYPE_DIRECT;
1806
        }
1807
        if(bmin<score){
1808
            score=bmin;
1809
            type= CANDIDATE_MB_TYPE_BACKWARD; 
1810
        }
1811
        if(fbmin<score){
1812
            score=fbmin;
1813
            type= CANDIDATE_MB_TYPE_BIDIR;
1814
        }
1815
        if(fimin<score){
1816
            score=fimin;
1817
            type= CANDIDATE_MB_TYPE_FORWARD_I;
1818
        }
1819
        if(bimin<score){
1820
            score=bimin;
1821
            type= CANDIDATE_MB_TYPE_BACKWARD_I;
1822
        }
1823
        
1824
        score= ((unsigned)(score*score + 128*256))>>16;
1825
        s->mc_mb_var_sum_temp += score;
1826
        s->current_picture.mc_mb_var[mb_y*s->mb_stride + mb_x] = score; //FIXME use SSE
1827
    }
1828

    
1829
    if(s->avctx->mb_decision > FF_MB_DECISION_SIMPLE){
1830
        type= CANDIDATE_MB_TYPE_FORWARD | CANDIDATE_MB_TYPE_BACKWARD | CANDIDATE_MB_TYPE_BIDIR | CANDIDATE_MB_TYPE_DIRECT;
1831
        if(fimin < INT_MAX)
1832
            type |= CANDIDATE_MB_TYPE_FORWARD_I;
1833
        if(bimin < INT_MAX)
1834
            type |= CANDIDATE_MB_TYPE_BACKWARD_I;
1835
        if(fimin < INT_MAX && bimin < INT_MAX){
1836
            type |= CANDIDATE_MB_TYPE_BIDIR_I;
1837
        }
1838
         //FIXME something smarter
1839
        if(dmin>256*256*16) type&= ~CANDIDATE_MB_TYPE_DIRECT; //dont try direct mode if its invalid for this MB
1840
#if 0        
1841
        if(s->out_format == FMT_MPEG1)
1842
            type |= CANDIDATE_MB_TYPE_INTRA;
1843
#endif
1844
    }
1845

    
1846
    s->mb_type[mb_y*s->mb_stride + mb_x]= type;
1847
}
1848

    
1849
/* find best f_code for ME which do unlimited searches */
1850
int ff_get_best_fcode(MpegEncContext * s, int16_t (*mv_table)[2], int type)
1851
{
1852
    if(s->me_method>=ME_EPZS){
1853
        int score[8];
1854
        int i, y;
1855
        uint8_t * fcode_tab= s->fcode_tab;
1856
        int best_fcode=-1;
1857
        int best_score=-10000000;
1858

    
1859
        for(i=0; i<8; i++) score[i]= s->mb_num*(8-i);
1860

    
1861
        for(y=0; y<s->mb_height; y++){
1862
            int x;
1863
            int xy= y*s->mb_stride;
1864
            for(x=0; x<s->mb_width; x++){
1865
                if(s->mb_type[xy] & type){
1866
                    int fcode= FFMAX(fcode_tab[mv_table[xy][0] + MAX_MV],
1867
                                     fcode_tab[mv_table[xy][1] + MAX_MV]);
1868
                    int j;
1869
                    
1870
                    for(j=0; j<fcode && j<8; j++){
1871
                        if(s->pict_type==B_TYPE || s->current_picture.mc_mb_var[xy] < s->current_picture.mb_var[xy])
1872
                            score[j]-= 170;
1873
                    }
1874
                }
1875
                xy++;
1876
            }
1877
        }
1878
        
1879
        for(i=1; i<8; i++){
1880
            if(score[i] > best_score){
1881
                best_score= score[i];
1882
                best_fcode= i;
1883
            }
1884
//            printf("%d %d\n", i, score[i]);
1885
        }
1886

    
1887
//    printf("fcode: %d type: %d\n", i, s->pict_type);
1888
        return best_fcode;
1889
/*        for(i=0; i<=MAX_FCODE; i++){
1890
            printf("%d ", mv_num[i]);
1891
        }
1892
        printf("\n");*/
1893
    }else{
1894
        return 1;
1895
    }
1896
}
1897

    
1898
void ff_fix_long_p_mvs(MpegEncContext * s)
1899
{
1900
    const int f_code= s->f_code;
1901
    int y, range;
1902
    assert(s->pict_type==P_TYPE);
1903

    
1904
    range = (((s->out_format == FMT_MPEG1) ? 8 : 16) << f_code);
1905
    
1906
    if(s->msmpeg4_version) range= 16;
1907
    
1908
    if(s->avctx->me_range && range > s->avctx->me_range) range= s->avctx->me_range;
1909
    
1910
//printf("%d no:%d %d//\n", clip, noclip, f_code);
1911
    if(s->flags&CODEC_FLAG_4MV){
1912
        const int wrap= s->b8_stride;
1913

    
1914
        /* clip / convert to intra 8x8 type MVs */
1915
        for(y=0; y<s->mb_height; y++){
1916
            int xy= y*2*wrap;
1917
            int i= y*s->mb_stride;
1918
            int x;
1919

    
1920
            for(x=0; x<s->mb_width; x++){
1921
                if(s->mb_type[i]&CANDIDATE_MB_TYPE_INTER4V){
1922
                    int block;
1923
                    for(block=0; block<4; block++){
1924
                        int off= (block& 1) + (block>>1)*wrap;
1925
                        int mx= s->current_picture.motion_val[0][ xy + off ][0];
1926
                        int my= s->current_picture.motion_val[0][ xy + off ][1];
1927

    
1928
                        if(   mx >=range || mx <-range
1929
                           || my >=range || my <-range){
1930
                            s->mb_type[i] &= ~CANDIDATE_MB_TYPE_INTER4V;
1931
                            s->mb_type[i] |= CANDIDATE_MB_TYPE_INTRA;
1932
                            s->current_picture.mb_type[i]= CANDIDATE_MB_TYPE_INTRA;
1933
                        }
1934
                    }
1935
                }
1936
                xy+=2;
1937
                i++;
1938
            }
1939
        }
1940
    }
1941
}
1942

    
1943
/**
1944
 *
1945
 * @param truncate 1 for truncation, 0 for using intra
1946
 */
1947
void ff_fix_long_mvs(MpegEncContext * s, uint8_t *field_select_table, int field_select, 
1948
                     int16_t (*mv_table)[2], int f_code, int type, int truncate)
1949
{
1950
    int y, h_range, v_range;
1951

    
1952
    // RAL: 8 in MPEG-1, 16 in MPEG-4
1953
    int range = (((s->out_format == FMT_MPEG1) ? 8 : 16) << f_code);
1954

    
1955
    if(s->msmpeg4_version) range= 16;
1956
    if(s->avctx->me_range && range > s->avctx->me_range) range= s->avctx->me_range;
1957

    
1958
    h_range= range;
1959
    v_range= field_select_table ? range>>1 : range;
1960

    
1961
    /* clip / convert to intra 16x16 type MVs */
1962
    for(y=0; y<s->mb_height; y++){
1963
        int x;
1964
        int xy= y*s->mb_stride;
1965
        for(x=0; x<s->mb_width; x++){
1966
            if (s->mb_type[xy] & type){    // RAL: "type" test added...
1967
                if(field_select_table==NULL || field_select_table[xy] == field_select){
1968
                    if(   mv_table[xy][0] >=h_range || mv_table[xy][0] <-h_range
1969
                       || mv_table[xy][1] >=v_range || mv_table[xy][1] <-v_range){
1970

    
1971
                        if(truncate){
1972
                            if     (mv_table[xy][0] > h_range-1) mv_table[xy][0]=  h_range-1;
1973
                            else if(mv_table[xy][0] < -h_range ) mv_table[xy][0]= -h_range;
1974
                            if     (mv_table[xy][1] > v_range-1) mv_table[xy][1]=  v_range-1;
1975
                            else if(mv_table[xy][1] < -v_range ) mv_table[xy][1]= -v_range;
1976
                        }else{
1977
                            s->mb_type[xy] &= ~type;
1978
                            s->mb_type[xy] |= CANDIDATE_MB_TYPE_INTRA;
1979
                            mv_table[xy][0]=
1980
                            mv_table[xy][1]= 0;
1981
                        }
1982
                    }
1983
                }
1984
            }
1985
            xy++;
1986
        }
1987
    }
1988
}