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ffmpeg / libavcodec / motion_est_template.c @ 849f1035

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/*
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 * Motion estimation
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 * Copyright (c) 2002-2004 Michael Niedermayer
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 *
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 * This file is part of FFmpeg.
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 *
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 * FFmpeg is free software; you can redistribute it and/or
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 * modify it under the terms of the GNU Lesser General Public
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 * License as published by the Free Software Foundation; either
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 * version 2.1 of the License, or (at your option) any later version.
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 *
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 * FFmpeg is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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 * Lesser General Public License for more details.
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 *
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 * You should have received a copy of the GNU Lesser General Public
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 * License along with FFmpeg; if not, write to the Free Software
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 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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 *
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 */
22

    
23
/**
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 * @file motion_est_template.c
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 * Motion estimation template.
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 */
27

    
28
//lets hope gcc will remove the unused vars ...(gcc 3.2.2 seems to do it ...)
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#define LOAD_COMMON\
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    uint32_t attribute_unused * const score_map= c->score_map;\
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    const int attribute_unused xmin= c->xmin;\
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    const int attribute_unused ymin= c->ymin;\
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    const int attribute_unused xmax= c->xmax;\
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    const int attribute_unused ymax= c->ymax;\
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    uint8_t *mv_penalty= c->current_mv_penalty;\
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    const int pred_x= c->pred_x;\
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    const int pred_y= c->pred_y;\
38

    
39
#define CHECK_HALF_MV(dx, dy, x, y)\
40
{\
41
    const int hx= 2*(x)+(dx);\
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    const int hy= 2*(y)+(dy);\
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    d= cmp(s, x, y, dx, dy, size, h, ref_index, src_index, cmp_sub, chroma_cmp_sub, flags);\
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    d += (mv_penalty[hx - pred_x] + mv_penalty[hy - pred_y])*penalty_factor;\
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    COPY3_IF_LT(dmin, d, bx, hx, by, hy)\
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}
47

    
48
#if 0
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static int hpel_motion_search)(MpegEncContext * s,
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                                  int *mx_ptr, int *my_ptr, int dmin,
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                                  uint8_t *ref_data[3],
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                                  int size)
53
{
54
    const int xx = 16 * s->mb_x + 8*(n&1);
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    const int yy = 16 * s->mb_y + 8*(n>>1);
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    const int mx = *mx_ptr;
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    const int my = *my_ptr;
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    const int penalty_factor= c->sub_penalty_factor;
59

60
    LOAD_COMMON
61

62
 //   INIT;
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 //FIXME factorize
64
    me_cmp_func cmp, chroma_cmp, cmp_sub, chroma_cmp_sub;
65

66
    if(s->no_rounding /*FIXME b_type*/){
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        hpel_put= &s->dsp.put_no_rnd_pixels_tab[size];
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        chroma_hpel_put= &s->dsp.put_no_rnd_pixels_tab[size+1];
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    }else{
70
        hpel_put=& s->dsp.put_pixels_tab[size];
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        chroma_hpel_put= &s->dsp.put_pixels_tab[size+1];
72
    }
73
    cmpf= s->dsp.me_cmp[size];
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    chroma_cmpf= s->dsp.me_cmp[size+1];
75
    cmp_sub= s->dsp.me_sub_cmp[size];
76
    chroma_cmp_sub= s->dsp.me_sub_cmp[size+1];
77

78
    if(c->skip){ //FIXME somehow move up (benchmark)
79
        *mx_ptr = 0;
80
        *my_ptr = 0;
81
        return dmin;
82
    }
83

84
    if(c->avctx->me_cmp != c->avctx->me_sub_cmp){
85
        CMP_HPEL(dmin, 0, 0, mx, my, size);
86
        if(mx || my)
87
            dmin += (mv_penalty[2*mx - pred_x] + mv_penalty[2*my - pred_y])*penalty_factor;
88
    }
89

90
    if (mx > xmin && mx < xmax &&
91
        my > ymin && my < ymax) {
92
        int bx=2*mx, by=2*my;
93
        int d= dmin;
94

95
        CHECK_HALF_MV(1, 1, mx-1, my-1)
96
        CHECK_HALF_MV(0, 1, mx  , my-1)
97
        CHECK_HALF_MV(1, 1, mx  , my-1)
98
        CHECK_HALF_MV(1, 0, mx-1, my  )
99
        CHECK_HALF_MV(1, 0, mx  , my  )
100
        CHECK_HALF_MV(1, 1, mx-1, my  )
101
        CHECK_HALF_MV(0, 1, mx  , my  )
102
        CHECK_HALF_MV(1, 1, mx  , my  )
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104
        assert(bx >= xmin*2 || bx <= xmax*2 || by >= ymin*2 || by <= ymax*2);
105

106
        *mx_ptr = bx;
107
        *my_ptr = by;
108
    }else{
109
        *mx_ptr =2*mx;
110
        *my_ptr =2*my;
111
    }
112

113
    return dmin;
114
}
115

116
#else
117
static int hpel_motion_search(MpegEncContext * s,
118
                                  int *mx_ptr, int *my_ptr, int dmin,
119
                                  int src_index, int ref_index,
120
                                  int size, int h)
121
{
122
    MotionEstContext * const c= &s->me;
123
    const int mx = *mx_ptr;
124
    const int my = *my_ptr;
125
    const int penalty_factor= c->sub_penalty_factor;
126
    me_cmp_func cmp_sub, chroma_cmp_sub;
127
    int bx=2*mx, by=2*my;
128

    
129
    LOAD_COMMON
130
    int flags= c->sub_flags;
131

    
132
 //FIXME factorize
133

    
134
    cmp_sub= s->dsp.me_sub_cmp[size];
135
    chroma_cmp_sub= s->dsp.me_sub_cmp[size+1];
136

    
137
    if(c->skip){ //FIXME move out of hpel?
138
        *mx_ptr = 0;
139
        *my_ptr = 0;
140
        return dmin;
141
    }
142

    
143
    if(c->avctx->me_cmp != c->avctx->me_sub_cmp){
144
        dmin= cmp(s, mx, my, 0, 0, size, h, ref_index, src_index, cmp_sub, chroma_cmp_sub, flags);
145
        if(mx || my || size>0)
146
            dmin += (mv_penalty[2*mx - pred_x] + mv_penalty[2*my - pred_y])*penalty_factor;
147
    }
148

    
149
    if (mx > xmin && mx < xmax &&
150
        my > ymin && my < ymax) {
151
        int d= dmin;
152
        const int index= (my<<ME_MAP_SHIFT) + mx;
153
        const int t= score_map[(index-(1<<ME_MAP_SHIFT))&(ME_MAP_SIZE-1)]
154
                     + (mv_penalty[bx   - pred_x] + mv_penalty[by-2 - pred_y])*c->penalty_factor;
155
        const int l= score_map[(index- 1               )&(ME_MAP_SIZE-1)]
156
                     + (mv_penalty[bx-2 - pred_x] + mv_penalty[by   - pred_y])*c->penalty_factor;
157
        const int r= score_map[(index+ 1               )&(ME_MAP_SIZE-1)]
158
                     + (mv_penalty[bx+2 - pred_x] + mv_penalty[by   - pred_y])*c->penalty_factor;
159
        const int b= score_map[(index+(1<<ME_MAP_SHIFT))&(ME_MAP_SIZE-1)]
160
                     + (mv_penalty[bx   - pred_x] + mv_penalty[by+2 - pred_y])*c->penalty_factor;
161

    
162
#if 1
163
        int key;
164
        int map_generation= c->map_generation;
165
#ifndef NDEBUG
166
        uint32_t *map= c->map;
167
#endif
168
        key= ((my-1)<<ME_MAP_MV_BITS) + (mx) + map_generation;
169
        assert(map[(index-(1<<ME_MAP_SHIFT))&(ME_MAP_SIZE-1)] == key);
170
        key= ((my+1)<<ME_MAP_MV_BITS) + (mx) + map_generation;
171
        assert(map[(index+(1<<ME_MAP_SHIFT))&(ME_MAP_SIZE-1)] == key);
172
        key= ((my)<<ME_MAP_MV_BITS) + (mx+1) + map_generation;
173
        assert(map[(index+1)&(ME_MAP_SIZE-1)] == key);
174
        key= ((my)<<ME_MAP_MV_BITS) + (mx-1) + map_generation;
175
        assert(map[(index-1)&(ME_MAP_SIZE-1)] == key);
176
#endif
177
        if(t<=b){
178
            CHECK_HALF_MV(0, 1, mx  ,my-1)
179
            if(l<=r){
180
                CHECK_HALF_MV(1, 1, mx-1, my-1)
181
                if(t+r<=b+l){
182
                    CHECK_HALF_MV(1, 1, mx  , my-1)
183
                }else{
184
                    CHECK_HALF_MV(1, 1, mx-1, my  )
185
                }
186
                CHECK_HALF_MV(1, 0, mx-1, my  )
187
            }else{
188
                CHECK_HALF_MV(1, 1, mx  , my-1)
189
                if(t+l<=b+r){
190
                    CHECK_HALF_MV(1, 1, mx-1, my-1)
191
                }else{
192
                    CHECK_HALF_MV(1, 1, mx  , my  )
193
                }
194
                CHECK_HALF_MV(1, 0, mx  , my  )
195
            }
196
        }else{
197
            if(l<=r){
198
                if(t+l<=b+r){
199
                    CHECK_HALF_MV(1, 1, mx-1, my-1)
200
                }else{
201
                    CHECK_HALF_MV(1, 1, mx  , my  )
202
                }
203
                CHECK_HALF_MV(1, 0, mx-1, my)
204
                CHECK_HALF_MV(1, 1, mx-1, my)
205
            }else{
206
                if(t+r<=b+l){
207
                    CHECK_HALF_MV(1, 1, mx  , my-1)
208
                }else{
209
                    CHECK_HALF_MV(1, 1, mx-1, my)
210
                }
211
                CHECK_HALF_MV(1, 0, mx  , my)
212
                CHECK_HALF_MV(1, 1, mx  , my)
213
            }
214
            CHECK_HALF_MV(0, 1, mx  , my)
215
        }
216
        assert(bx >= xmin*2 && bx <= xmax*2 && by >= ymin*2 && by <= ymax*2);
217
    }
218

    
219
    *mx_ptr = bx;
220
    *my_ptr = by;
221

    
222
    return dmin;
223
}
224
#endif
225

    
226
static int no_sub_motion_search(MpegEncContext * s,
227
          int *mx_ptr, int *my_ptr, int dmin,
228
                                  int src_index, int ref_index,
229
                                  int size, int h)
230
{
231
    (*mx_ptr)<<=1;
232
    (*my_ptr)<<=1;
233
    return dmin;
234
}
235

    
236
inline int ff_get_mb_score(MpegEncContext * s, int mx, int my, int src_index,
237
                               int ref_index, int size, int h, int add_rate)
238
{
239
//    const int check_luma= s->dsp.me_sub_cmp != s->dsp.mb_cmp;
240
    MotionEstContext * const c= &s->me;
241
    const int penalty_factor= c->mb_penalty_factor;
242
    const int flags= c->mb_flags;
243
    const int qpel= flags & FLAG_QPEL;
244
    const int mask= 1+2*qpel;
245
    me_cmp_func cmp_sub, chroma_cmp_sub;
246
    int d;
247

    
248
    LOAD_COMMON
249

    
250
 //FIXME factorize
251

    
252
    cmp_sub= s->dsp.mb_cmp[size];
253
    chroma_cmp_sub= s->dsp.mb_cmp[size+1];
254

    
255
//    assert(!c->skip);
256
//    assert(c->avctx->me_sub_cmp != c->avctx->mb_cmp);
257

    
258
    d= cmp(s, mx>>(qpel+1), my>>(qpel+1), mx&mask, my&mask, size, h, ref_index, src_index, cmp_sub, chroma_cmp_sub, flags);
259
    //FIXME check cbp before adding penalty for (0,0) vector
260
    if(add_rate && (mx || my || size>0))
261
        d += (mv_penalty[mx - pred_x] + mv_penalty[my - pred_y])*penalty_factor;
262

    
263
    return d;
264
}
265

    
266
#define CHECK_QUARTER_MV(dx, dy, x, y)\
267
{\
268
    const int hx= 4*(x)+(dx);\
269
    const int hy= 4*(y)+(dy);\
270
    d= cmp(s, x, y, dx, dy, size, h, ref_index, src_index, cmpf, chroma_cmpf, flags);\
271
    d += (mv_penalty[hx - pred_x] + mv_penalty[hy - pred_y])*penalty_factor;\
272
    COPY3_IF_LT(dmin, d, bx, hx, by, hy)\
273
}
274

    
275
static int qpel_motion_search(MpegEncContext * s,
276
                                  int *mx_ptr, int *my_ptr, int dmin,
277
                                  int src_index, int ref_index,
278
                                  int size, int h)
279
{
280
    MotionEstContext * const c= &s->me;
281
    const int mx = *mx_ptr;
282
    const int my = *my_ptr;
283
    const int penalty_factor= c->sub_penalty_factor;
284
    const int map_generation= c->map_generation;
285
    const int subpel_quality= c->avctx->me_subpel_quality;
286
    uint32_t *map= c->map;
287
    me_cmp_func cmpf, chroma_cmpf;
288
    me_cmp_func cmp_sub, chroma_cmp_sub;
289

    
290
    LOAD_COMMON
291
    int flags= c->sub_flags;
292

    
293
    cmpf= s->dsp.me_cmp[size];
294
    chroma_cmpf= s->dsp.me_cmp[size+1]; //factorize FIXME
295
 //FIXME factorize
296

    
297
    cmp_sub= s->dsp.me_sub_cmp[size];
298
    chroma_cmp_sub= s->dsp.me_sub_cmp[size+1];
299

    
300
    if(c->skip){ //FIXME somehow move up (benchmark)
301
        *mx_ptr = 0;
302
        *my_ptr = 0;
303
        return dmin;
304
    }
305

    
306
    if(c->avctx->me_cmp != c->avctx->me_sub_cmp){
307
        dmin= cmp(s, mx, my, 0, 0, size, h, ref_index, src_index, cmp_sub, chroma_cmp_sub, flags);
308
        if(mx || my || size>0)
309
            dmin += (mv_penalty[4*mx - pred_x] + mv_penalty[4*my - pred_y])*penalty_factor;
310
    }
311

    
312
    if (mx > xmin && mx < xmax &&
313
        my > ymin && my < ymax) {
314
        int bx=4*mx, by=4*my;
315
        int d= dmin;
316
        int i, nx, ny;
317
        const int index= (my<<ME_MAP_SHIFT) + mx;
318
        const int t= score_map[(index-(1<<ME_MAP_SHIFT)  )&(ME_MAP_SIZE-1)];
319
        const int l= score_map[(index- 1                 )&(ME_MAP_SIZE-1)];
320
        const int r= score_map[(index+ 1                 )&(ME_MAP_SIZE-1)];
321
        const int b= score_map[(index+(1<<ME_MAP_SHIFT)  )&(ME_MAP_SIZE-1)];
322
        const int c= score_map[(index                    )&(ME_MAP_SIZE-1)];
323
        int best[8];
324
        int best_pos[8][2];
325

    
326
        memset(best, 64, sizeof(int)*8);
327
#if 1
328
        if(s->me.dia_size>=2){
329
            const int tl= score_map[(index-(1<<ME_MAP_SHIFT)-1)&(ME_MAP_SIZE-1)];
330
            const int bl= score_map[(index+(1<<ME_MAP_SHIFT)-1)&(ME_MAP_SIZE-1)];
331
            const int tr= score_map[(index-(1<<ME_MAP_SHIFT)+1)&(ME_MAP_SIZE-1)];
332
            const int br= score_map[(index+(1<<ME_MAP_SHIFT)+1)&(ME_MAP_SIZE-1)];
333

    
334
            for(ny= -3; ny <= 3; ny++){
335
                for(nx= -3; nx <= 3; nx++){
336
                    //FIXME this could overflow (unlikely though)
337
                    const int64_t t2= nx*nx*(tr + tl - 2*t) + 4*nx*(tr-tl) + 32*t;
338
                    const int64_t c2= nx*nx*( r +  l - 2*c) + 4*nx*( r- l) + 32*c;
339
                    const int64_t b2= nx*nx*(br + bl - 2*b) + 4*nx*(br-bl) + 32*b;
340
                    int score= (ny*ny*(b2 + t2 - 2*c2) + 4*ny*(b2 - t2) + 32*c2 + 512)>>10;
341
                    int i;
342

    
343
                    if((nx&3)==0 && (ny&3)==0) continue;
344

    
345
                    score += (mv_penalty[4*mx + nx - pred_x] + mv_penalty[4*my + ny - pred_y])*penalty_factor;
346

    
347
//                    if(nx&1) score-=1024*c->penalty_factor;
348
//                    if(ny&1) score-=1024*c->penalty_factor;
349

    
350
                    for(i=0; i<8; i++){
351
                        if(score < best[i]){
352
                            memmove(&best[i+1], &best[i], sizeof(int)*(7-i));
353
                            memmove(&best_pos[i+1][0], &best_pos[i][0], sizeof(int)*2*(7-i));
354
                            best[i]= score;
355
                            best_pos[i][0]= nx + 4*mx;
356
                            best_pos[i][1]= ny + 4*my;
357
                            break;
358
                        }
359
                    }
360
                }
361
            }
362
        }else{
363
            int tl;
364
            //FIXME this could overflow (unlikely though)
365
            const int cx = 4*(r - l);
366
            const int cx2= r + l - 2*c;
367
            const int cy = 4*(b - t);
368
            const int cy2= b + t - 2*c;
369
            int cxy;
370

    
371
            if(map[(index-(1<<ME_MAP_SHIFT)-1)&(ME_MAP_SIZE-1)] == (my<<ME_MAP_MV_BITS) + mx + map_generation && 0){ //FIXME
372
                tl= score_map[(index-(1<<ME_MAP_SHIFT)-1)&(ME_MAP_SIZE-1)];
373
            }else{
374
                tl= cmp(s, mx-1, my-1, 0, 0, size, h, ref_index, src_index, cmpf, chroma_cmpf, flags);//FIXME wrong if chroma me is different
375
            }
376

    
377
            cxy= 2*tl + (cx + cy)/4 - (cx2 + cy2) - 2*c;
378

    
379
            assert(16*cx2 + 4*cx + 32*c == 32*r);
380
            assert(16*cx2 - 4*cx + 32*c == 32*l);
381
            assert(16*cy2 + 4*cy + 32*c == 32*b);
382
            assert(16*cy2 - 4*cy + 32*c == 32*t);
383
            assert(16*cxy + 16*cy2 + 16*cx2 - 4*cy - 4*cx + 32*c == 32*tl);
384

    
385
            for(ny= -3; ny <= 3; ny++){
386
                for(nx= -3; nx <= 3; nx++){
387
                    //FIXME this could overflow (unlikely though)
388
                    int score= ny*nx*cxy + nx*nx*cx2 + ny*ny*cy2 + nx*cx + ny*cy + 32*c; //FIXME factor
389
                    int i;
390

    
391
                    if((nx&3)==0 && (ny&3)==0) continue;
392

    
393
                    score += 32*(mv_penalty[4*mx + nx - pred_x] + mv_penalty[4*my + ny - pred_y])*penalty_factor;
394
//                    if(nx&1) score-=32*c->penalty_factor;
395
  //                  if(ny&1) score-=32*c->penalty_factor;
396

    
397
                    for(i=0; i<8; i++){
398
                        if(score < best[i]){
399
                            memmove(&best[i+1], &best[i], sizeof(int)*(7-i));
400
                            memmove(&best_pos[i+1][0], &best_pos[i][0], sizeof(int)*2*(7-i));
401
                            best[i]= score;
402
                            best_pos[i][0]= nx + 4*mx;
403
                            best_pos[i][1]= ny + 4*my;
404
                            break;
405
                        }
406
                    }
407
                }
408
            }
409
        }
410
        for(i=0; i<subpel_quality; i++){
411
            nx= best_pos[i][0];
412
            ny= best_pos[i][1];
413
            CHECK_QUARTER_MV(nx&3, ny&3, nx>>2, ny>>2)
414
        }
415

    
416
#if 0
417
            const int tl= score_map[(index-(1<<ME_MAP_SHIFT)-1)&(ME_MAP_SIZE-1)];
418
            const int bl= score_map[(index+(1<<ME_MAP_SHIFT)-1)&(ME_MAP_SIZE-1)];
419
            const int tr= score_map[(index-(1<<ME_MAP_SHIFT)+1)&(ME_MAP_SIZE-1)];
420
            const int br= score_map[(index+(1<<ME_MAP_SHIFT)+1)&(ME_MAP_SIZE-1)];
421
//            if(l < r && l < t && l < b && l < tl && l < bl && l < tr && l < br && bl < tl){
422
            if(tl<br){
423

424
//            nx= FFMAX(4*mx - bx, bx - 4*mx);
425
//            ny= FFMAX(4*my - by, by - 4*my);
426

427
            static int stats[7][7], count;
428
            count++;
429
            stats[4*mx - bx + 3][4*my - by + 3]++;
430
            if(256*256*256*64 % count ==0){
431
                for(i=0; i<49; i++){
432
                    if((i%7)==0) printf("\n");
433
                    printf("%6d ", stats[0][i]);
434
                }
435
                printf("\n");
436
            }
437
            }
438
#endif
439
#else
440

    
441
        CHECK_QUARTER_MV(2, 2, mx-1, my-1)
442
        CHECK_QUARTER_MV(0, 2, mx  , my-1)
443
        CHECK_QUARTER_MV(2, 2, mx  , my-1)
444
        CHECK_QUARTER_MV(2, 0, mx  , my  )
445
        CHECK_QUARTER_MV(2, 2, mx  , my  )
446
        CHECK_QUARTER_MV(0, 2, mx  , my  )
447
        CHECK_QUARTER_MV(2, 2, mx-1, my  )
448
        CHECK_QUARTER_MV(2, 0, mx-1, my  )
449

    
450
        nx= bx;
451
        ny= by;
452

    
453
        for(i=0; i<8; i++){
454
            int ox[8]= {0, 1, 1, 1, 0,-1,-1,-1};
455
            int oy[8]= {1, 1, 0,-1,-1,-1, 0, 1};
456
            CHECK_QUARTER_MV((nx + ox[i])&3, (ny + oy[i])&3, (nx + ox[i])>>2, (ny + oy[i])>>2)
457
        }
458
#endif
459
#if 0
460
        //outer ring
461
        CHECK_QUARTER_MV(1, 3, mx-1, my-1)
462
        CHECK_QUARTER_MV(1, 2, mx-1, my-1)
463
        CHECK_QUARTER_MV(1, 1, mx-1, my-1)
464
        CHECK_QUARTER_MV(2, 1, mx-1, my-1)
465
        CHECK_QUARTER_MV(3, 1, mx-1, my-1)
466
        CHECK_QUARTER_MV(0, 1, mx  , my-1)
467
        CHECK_QUARTER_MV(1, 1, mx  , my-1)
468
        CHECK_QUARTER_MV(2, 1, mx  , my-1)
469
        CHECK_QUARTER_MV(3, 1, mx  , my-1)
470
        CHECK_QUARTER_MV(3, 2, mx  , my-1)
471
        CHECK_QUARTER_MV(3, 3, mx  , my-1)
472
        CHECK_QUARTER_MV(3, 0, mx  , my  )
473
        CHECK_QUARTER_MV(3, 1, mx  , my  )
474
        CHECK_QUARTER_MV(3, 2, mx  , my  )
475
        CHECK_QUARTER_MV(3, 3, mx  , my  )
476
        CHECK_QUARTER_MV(2, 3, mx  , my  )
477
        CHECK_QUARTER_MV(1, 3, mx  , my  )
478
        CHECK_QUARTER_MV(0, 3, mx  , my  )
479
        CHECK_QUARTER_MV(3, 3, mx-1, my  )
480
        CHECK_QUARTER_MV(2, 3, mx-1, my  )
481
        CHECK_QUARTER_MV(1, 3, mx-1, my  )
482
        CHECK_QUARTER_MV(1, 2, mx-1, my  )
483
        CHECK_QUARTER_MV(1, 1, mx-1, my  )
484
        CHECK_QUARTER_MV(1, 0, mx-1, my  )
485
#endif
486
        assert(bx >= xmin*4 && bx <= xmax*4 && by >= ymin*4 && by <= ymax*4);
487

    
488
        *mx_ptr = bx;
489
        *my_ptr = by;
490
    }else{
491
        *mx_ptr =4*mx;
492
        *my_ptr =4*my;
493
    }
494

    
495
    return dmin;
496
}
497

    
498

    
499
#define CHECK_MV(x,y)\
500
{\
501
    const int key= ((y)<<ME_MAP_MV_BITS) + (x) + map_generation;\
502
    const int index= (((y)<<ME_MAP_SHIFT) + (x))&(ME_MAP_SIZE-1);\
503
    assert((x) >= xmin);\
504
    assert((x) <= xmax);\
505
    assert((y) >= ymin);\
506
    assert((y) <= ymax);\
507
/*printf("check_mv %d %d\n", x, y);*/\
508
    if(map[index]!=key){\
509
        d= cmp(s, x, y, 0, 0, size, h, ref_index, src_index, cmpf, chroma_cmpf, flags);\
510
        map[index]= key;\
511
        score_map[index]= d;\
512
        d += (mv_penalty[((x)<<shift)-pred_x] + mv_penalty[((y)<<shift)-pred_y])*penalty_factor;\
513
/*printf("score:%d\n", d);*/\
514
        COPY3_IF_LT(dmin, d, best[0], x, best[1], y)\
515
    }\
516
}
517

    
518
#define CHECK_CLIPPED_MV(ax,ay)\
519
{\
520
    const int Lx= ax;\
521
    const int Ly= ay;\
522
    const int Lx2= FFMAX(xmin, FFMIN(Lx, xmax));\
523
    const int Ly2= FFMAX(ymin, FFMIN(Ly, ymax));\
524
    CHECK_MV(Lx2, Ly2)\
525
}
526

    
527
#define CHECK_MV_DIR(x,y,new_dir)\
528
{\
529
    const int key= ((y)<<ME_MAP_MV_BITS) + (x) + map_generation;\
530
    const int index= (((y)<<ME_MAP_SHIFT) + (x))&(ME_MAP_SIZE-1);\
531
/*printf("check_mv_dir %d %d %d\n", x, y, new_dir);*/\
532
    if(map[index]!=key){\
533
        d= cmp(s, x, y, 0, 0, size, h, ref_index, src_index, cmpf, chroma_cmpf, flags);\
534
        map[index]= key;\
535
        score_map[index]= d;\
536
        d += (mv_penalty[((x)<<shift)-pred_x] + mv_penalty[((y)<<shift)-pred_y])*penalty_factor;\
537
/*printf("score:%d\n", d);*/\
538
        if(d<dmin){\
539
            best[0]=x;\
540
            best[1]=y;\
541
            dmin=d;\
542
            next_dir= new_dir;\
543
        }\
544
    }\
545
}
546

    
547
#define check(x,y,S,v)\
548
if( (x)<(xmin<<(S)) ) printf("%d %d %d %d %d xmin" #v, xmin, (x), (y), s->mb_x, s->mb_y);\
549
if( (x)>(xmax<<(S)) ) printf("%d %d %d %d %d xmax" #v, xmax, (x), (y), s->mb_x, s->mb_y);\
550
if( (y)<(ymin<<(S)) ) printf("%d %d %d %d %d ymin" #v, ymin, (x), (y), s->mb_x, s->mb_y);\
551
if( (y)>(ymax<<(S)) ) printf("%d %d %d %d %d ymax" #v, ymax, (x), (y), s->mb_x, s->mb_y);\
552

    
553
#define LOAD_COMMON2\
554
    uint32_t *map= c->map;\
555
    const int qpel= flags&FLAG_QPEL;\
556
    const int shift= 1+qpel;\
557

    
558
static av_always_inline int small_diamond_search(MpegEncContext * s, int *best, int dmin,
559
                                       int src_index, int ref_index, int const penalty_factor,
560
                                       int size, int h, int flags)
561
{
562
    MotionEstContext * const c= &s->me;
563
    me_cmp_func cmpf, chroma_cmpf;
564
    int next_dir=-1;
565
    LOAD_COMMON
566
    LOAD_COMMON2
567
    int map_generation= c->map_generation;
568

    
569
    cmpf= s->dsp.me_cmp[size];
570
    chroma_cmpf= s->dsp.me_cmp[size+1];
571

    
572
    { /* ensure that the best point is in the MAP as h/qpel refinement needs it */
573
        const int key= (best[1]<<ME_MAP_MV_BITS) + best[0] + map_generation;
574
        const int index= ((best[1]<<ME_MAP_SHIFT) + best[0])&(ME_MAP_SIZE-1);
575
        if(map[index]!=key){ //this will be executed only very rarey
576
            score_map[index]= cmp(s, best[0], best[1], 0, 0, size, h, ref_index, src_index, cmpf, chroma_cmpf, flags);
577
            map[index]= key;
578
        }
579
    }
580

    
581
    for(;;){
582
        int d;
583
        const int dir= next_dir;
584
        const int x= best[0];
585
        const int y= best[1];
586
        next_dir=-1;
587

    
588
//printf("%d", dir);
589
        if(dir!=2 && x>xmin) CHECK_MV_DIR(x-1, y  , 0)
590
        if(dir!=3 && y>ymin) CHECK_MV_DIR(x  , y-1, 1)
591
        if(dir!=0 && x<xmax) CHECK_MV_DIR(x+1, y  , 2)
592
        if(dir!=1 && y<ymax) CHECK_MV_DIR(x  , y+1, 3)
593

    
594
        if(next_dir==-1){
595
            return dmin;
596
        }
597
    }
598
}
599

    
600
static int funny_diamond_search(MpegEncContext * s, int *best, int dmin,
601
                                       int src_index, int ref_index, int const penalty_factor,
602
                                       int size, int h, int flags)
603
{
604
    MotionEstContext * const c= &s->me;
605
    me_cmp_func cmpf, chroma_cmpf;
606
    int dia_size;
607
    LOAD_COMMON
608
    LOAD_COMMON2
609
    int map_generation= c->map_generation;
610

    
611
    cmpf= s->dsp.me_cmp[size];
612
    chroma_cmpf= s->dsp.me_cmp[size+1];
613

    
614
    for(dia_size=1; dia_size<=4; dia_size++){
615
        int dir;
616
        const int x= best[0];
617
        const int y= best[1];
618

    
619
        if(dia_size&(dia_size-1)) continue;
620

    
621
        if(   x + dia_size > xmax
622
           || x - dia_size < xmin
623
           || y + dia_size > ymax
624
           || y - dia_size < ymin)
625
           continue;
626

    
627
        for(dir= 0; dir<dia_size; dir+=2){
628
            int d;
629

    
630
            CHECK_MV(x + dir           , y + dia_size - dir);
631
            CHECK_MV(x + dia_size - dir, y - dir           );
632
            CHECK_MV(x - dir           , y - dia_size + dir);
633
            CHECK_MV(x - dia_size + dir, y + dir           );
634
        }
635

    
636
        if(x!=best[0] || y!=best[1])
637
            dia_size=0;
638
#if 0
639
{
640
int dx, dy, i;
641
static int stats[8*8];
642
dx= FFABS(x-best[0]);
643
dy= FFABS(y-best[1]);
644
if(dy>dx){
645
    dx^=dy; dy^=dx; dx^=dy;
646
}
647
stats[dy*8 + dx] ++;
648
if(256*256*256*64 % (stats[0]+1)==0){
649
    for(i=0; i<64; i++){
650
        if((i&7)==0) printf("\n");
651
        printf("%8d ", stats[i]);
652
    }
653
    printf("\n");
654
}
655
}
656
#endif
657
    }
658
    return dmin;
659
}
660

    
661
static int hex_search(MpegEncContext * s, int *best, int dmin,
662
                                       int src_index, int ref_index, int const penalty_factor,
663
                                       int size, int h, int flags, int dia_size)
664
{
665
    MotionEstContext * const c= &s->me;
666
    me_cmp_func cmpf, chroma_cmpf;
667
    LOAD_COMMON
668
    LOAD_COMMON2
669
    int map_generation= c->map_generation;
670
    int x,y,d;
671
    const int dec= dia_size & (dia_size-1);
672

    
673
    cmpf= s->dsp.me_cmp[size];
674
    chroma_cmpf= s->dsp.me_cmp[size+1];
675

    
676
    for(;dia_size; dia_size= dec ? dia_size-1 : dia_size>>1){
677
        do{
678
            x= best[0];
679
            y= best[1];
680

    
681
            CHECK_CLIPPED_MV(x  -dia_size    , y);
682
            CHECK_CLIPPED_MV(x+  dia_size    , y);
683
            CHECK_CLIPPED_MV(x+( dia_size>>1), y+dia_size);
684
            CHECK_CLIPPED_MV(x+( dia_size>>1), y-dia_size);
685
            if(dia_size>1){
686
                CHECK_CLIPPED_MV(x+(-dia_size>>1), y+dia_size);
687
                CHECK_CLIPPED_MV(x+(-dia_size>>1), y-dia_size);
688
            }
689
        }while(best[0] != x || best[1] != y);
690
    }
691

    
692
    return dmin;
693
}
694

    
695
static int l2s_dia_search(MpegEncContext * s, int *best, int dmin,
696
                                       int src_index, int ref_index, int const penalty_factor,
697
                                       int size, int h, int flags)
698
{
699
    MotionEstContext * const c= &s->me;
700
    me_cmp_func cmpf, chroma_cmpf;
701
    LOAD_COMMON
702
    LOAD_COMMON2
703
    int map_generation= c->map_generation;
704
    int x,y,i,d;
705
    int dia_size= c->dia_size&0xFF;
706
    const int dec= dia_size & (dia_size-1);
707
    static const int hex[8][2]={{-2, 0}, {-1,-1}, { 0,-2}, { 1,-1},
708
                                { 2, 0}, { 1, 1}, { 0, 2}, {-1, 1}};
709

    
710
    cmpf= s->dsp.me_cmp[size];
711
    chroma_cmpf= s->dsp.me_cmp[size+1];
712

    
713
    for(; dia_size; dia_size= dec ? dia_size-1 : dia_size>>1){
714
        do{
715
            x= best[0];
716
            y= best[1];
717
            for(i=0; i<8; i++){
718
                CHECK_CLIPPED_MV(x+hex[i][0]*dia_size, y+hex[i][1]*dia_size);
719
            }
720
        }while(best[0] != x || best[1] != y);
721
    }
722

    
723
    x= best[0];
724
    y= best[1];
725
    CHECK_CLIPPED_MV(x+1, y);
726
    CHECK_CLIPPED_MV(x, y+1);
727
    CHECK_CLIPPED_MV(x-1, y);
728
    CHECK_CLIPPED_MV(x, y-1);
729

    
730
    return dmin;
731
}
732

    
733
static int umh_search(MpegEncContext * s, int *best, int dmin,
734
                                       int src_index, int ref_index, int const penalty_factor,
735
                                       int size, int h, int flags)
736
{
737
    MotionEstContext * const c= &s->me;
738
    me_cmp_func cmpf, chroma_cmpf;
739
    LOAD_COMMON
740
    LOAD_COMMON2
741
    int map_generation= c->map_generation;
742
    int x,y,x2,y2, i, j, d;
743
    const int dia_size= c->dia_size&0xFE;
744
    static const int hex[16][2]={{-4,-2}, {-4,-1}, {-4, 0}, {-4, 1}, {-4, 2},
745
                                 { 4,-2}, { 4,-1}, { 4, 0}, { 4, 1}, { 4, 2},
746
                                 {-2, 3}, { 0, 4}, { 2, 3},
747
                                 {-2,-3}, { 0,-4}, { 2,-3},};
748

    
749
    cmpf= s->dsp.me_cmp[size];
750
    chroma_cmpf= s->dsp.me_cmp[size+1];
751

    
752
    x= best[0];
753
    y= best[1];
754
    for(x2=FFMAX(x-dia_size+1, xmin); x2<=FFMIN(x+dia_size-1,xmax); x2+=2){
755
        CHECK_MV(x2, y);
756
    }
757
    for(y2=FFMAX(y-dia_size/2+1, ymin); y2<=FFMIN(y+dia_size/2-1,ymax); y2+=2){
758
        CHECK_MV(x, y2);
759
    }
760

    
761
    x= best[0];
762
    y= best[1];
763
    for(y2=FFMAX(y-2, ymin); y2<=FFMIN(y+2,ymax); y2++){
764
        for(x2=FFMAX(x-2, xmin); x2<=FFMIN(x+2,xmax); x2++){
765
            CHECK_MV(x2, y2);
766
        }
767
    }
768

    
769
//FIXME prevent the CLIP stuff
770

    
771
    for(j=1; j<=dia_size/4; j++){
772
        for(i=0; i<16; i++){
773
            CHECK_CLIPPED_MV(x+hex[i][0]*j, y+hex[i][1]*j);
774
        }
775
    }
776

    
777
    return hex_search(s, best, dmin, src_index, ref_index, penalty_factor, size, h, flags, 2);
778
}
779

    
780
#define SAB_CHECK_MV(ax,ay)\
781
{\
782
    const int key= ((ay)<<ME_MAP_MV_BITS) + (ax) + map_generation;\
783
    const int index= (((ay)<<ME_MAP_SHIFT) + (ax))&(ME_MAP_SIZE-1);\
784
/*printf("sab check %d %d\n", ax, ay);*/\
785
    if(map[index]!=key){\
786
        d= cmp(s, ax, ay, 0, 0, size, h, ref_index, src_index, cmpf, chroma_cmpf, flags);\
787
        map[index]= key;\
788
        score_map[index]= d;\
789
        d += (mv_penalty[((ax)<<shift)-pred_x] + mv_penalty[((ay)<<shift)-pred_y])*penalty_factor;\
790
/*printf("score: %d\n", d);*/\
791
        if(d < minima[minima_count-1].height){\
792
            int j=0;\
793
            \
794
            while(d >= minima[j].height) j++;\
795
\
796
            memmove(&minima [j+1], &minima [j], (minima_count - j - 1)*sizeof(Minima));\
797
\
798
            minima[j].checked= 0;\
799
            minima[j].height= d;\
800
            minima[j].x= ax;\
801
            minima[j].y= ay;\
802
            \
803
            i=-1;\
804
            continue;\
805
        }\
806
    }\
807
}
808

    
809
#define MAX_SAB_SIZE ME_MAP_SIZE
810
static int sab_diamond_search(MpegEncContext * s, int *best, int dmin,
811
                                       int src_index, int ref_index, int const penalty_factor,
812
                                       int size, int h, int flags)
813
{
814
    MotionEstContext * const c= &s->me;
815
    me_cmp_func cmpf, chroma_cmpf;
816
    Minima minima[MAX_SAB_SIZE];
817
    const int minima_count= FFABS(c->dia_size);
818
    int i, j;
819
    LOAD_COMMON
820
    LOAD_COMMON2
821
    int map_generation= c->map_generation;
822

    
823
    cmpf= s->dsp.me_cmp[size];
824
    chroma_cmpf= s->dsp.me_cmp[size+1];
825

    
826
    for(j=i=0; i<ME_MAP_SIZE; i++){
827
        uint32_t key= map[i];
828

    
829
        key += (1<<(ME_MAP_MV_BITS-1)) + (1<<(2*ME_MAP_MV_BITS-1));
830

    
831
        if((key&((-1)<<(2*ME_MAP_MV_BITS))) != map_generation) continue;
832

    
833
        assert(j<MAX_SAB_SIZE); //max j = number of predictors
834

    
835
        minima[j].height= score_map[i];
836
        minima[j].x= key & ((1<<ME_MAP_MV_BITS)-1); key>>=ME_MAP_MV_BITS;
837
        minima[j].y= key & ((1<<ME_MAP_MV_BITS)-1);
838
        minima[j].x-= (1<<(ME_MAP_MV_BITS-1));
839
        minima[j].y-= (1<<(ME_MAP_MV_BITS-1));
840
        minima[j].checked=0;
841
        if(minima[j].x || minima[j].y)
842
            minima[j].height+= (mv_penalty[((minima[j].x)<<shift)-pred_x] + mv_penalty[((minima[j].y)<<shift)-pred_y])*penalty_factor;
843

    
844
        j++;
845
    }
846

    
847
    qsort(minima, j, sizeof(Minima), minima_cmp);
848

    
849
    for(; j<minima_count; j++){
850
        minima[j].height=256*256*256*64;
851
        minima[j].checked=0;
852
        minima[j].x= minima[j].y=0;
853
    }
854

    
855
    for(i=0; i<minima_count; i++){
856
        const int x= minima[i].x;
857
        const int y= minima[i].y;
858
        int d;
859

    
860
        if(minima[i].checked) continue;
861

    
862
        if(   x >= xmax || x <= xmin
863
           || y >= ymax || y <= ymin)
864
           continue;
865

    
866
        SAB_CHECK_MV(x-1, y)
867
        SAB_CHECK_MV(x+1, y)
868
        SAB_CHECK_MV(x  , y-1)
869
        SAB_CHECK_MV(x  , y+1)
870

    
871
        minima[i].checked= 1;
872
    }
873

    
874
    best[0]= minima[0].x;
875
    best[1]= minima[0].y;
876
    dmin= minima[0].height;
877

    
878
    if(   best[0] < xmax && best[0] > xmin
879
       && best[1] < ymax && best[1] > ymin){
880
        int d;
881
        //ensure that the refernece samples for hpel refinement are in the map
882
        CHECK_MV(best[0]-1, best[1])
883
        CHECK_MV(best[0]+1, best[1])
884
        CHECK_MV(best[0], best[1]-1)
885
        CHECK_MV(best[0], best[1]+1)
886
    }
887
    return dmin;
888
}
889

    
890
static int var_diamond_search(MpegEncContext * s, int *best, int dmin,
891
                                       int src_index, int ref_index, int const penalty_factor,
892
                                       int size, int h, int flags)
893
{
894
    MotionEstContext * const c= &s->me;
895
    me_cmp_func cmpf, chroma_cmpf;
896
    int dia_size;
897
    LOAD_COMMON
898
    LOAD_COMMON2
899
    int map_generation= c->map_generation;
900

    
901
    cmpf= s->dsp.me_cmp[size];
902
    chroma_cmpf= s->dsp.me_cmp[size+1];
903

    
904
    for(dia_size=1; dia_size<=c->dia_size; dia_size++){
905
        int dir, start, end;
906
        const int x= best[0];
907
        const int y= best[1];
908

    
909
        start= FFMAX(0, y + dia_size - ymax);
910
        end  = FFMIN(dia_size, xmax - x + 1);
911
        for(dir= start; dir<end; dir++){
912
            int d;
913

    
914
//check(x + dir,y + dia_size - dir,0, a0)
915
            CHECK_MV(x + dir           , y + dia_size - dir);
916
        }
917

    
918
        start= FFMAX(0, x + dia_size - xmax);
919
        end  = FFMIN(dia_size, y - ymin + 1);
920
        for(dir= start; dir<end; dir++){
921
            int d;
922

    
923
//check(x + dia_size - dir, y - dir,0, a1)
924
            CHECK_MV(x + dia_size - dir, y - dir           );
925
        }
926

    
927
        start= FFMAX(0, -y + dia_size + ymin );
928
        end  = FFMIN(dia_size, x - xmin + 1);
929
        for(dir= start; dir<end; dir++){
930
            int d;
931

    
932
//check(x - dir,y - dia_size + dir,0, a2)
933
            CHECK_MV(x - dir           , y - dia_size + dir);
934
        }
935

    
936
        start= FFMAX(0, -x + dia_size + xmin );
937
        end  = FFMIN(dia_size, ymax - y + 1);
938
        for(dir= start; dir<end; dir++){
939
            int d;
940

    
941
//check(x - dia_size + dir, y + dir,0, a3)
942
            CHECK_MV(x - dia_size + dir, y + dir           );
943
        }
944

    
945
        if(x!=best[0] || y!=best[1])
946
            dia_size=0;
947
#if 0
948
{
949
int dx, dy, i;
950
static int stats[8*8];
951
dx= FFABS(x-best[0]);
952
dy= FFABS(y-best[1]);
953
stats[dy*8 + dx] ++;
954
if(256*256*256*64 % (stats[0]+1)==0){
955
    for(i=0; i<64; i++){
956
        if((i&7)==0) printf("\n");
957
        printf("%6d ", stats[i]);
958
    }
959
    printf("\n");
960
}
961
}
962
#endif
963
    }
964
    return dmin;
965
}
966

    
967
static av_always_inline int diamond_search(MpegEncContext * s, int *best, int dmin,
968
                                       int src_index, int ref_index, int const penalty_factor,
969
                                       int size, int h, int flags){
970
    MotionEstContext * const c= &s->me;
971
    if(c->dia_size==-1)
972
        return funny_diamond_search(s, best, dmin, src_index, ref_index, penalty_factor, size, h, flags);
973
    else if(c->dia_size<-1)
974
        return   sab_diamond_search(s, best, dmin, src_index, ref_index, penalty_factor, size, h, flags);
975
    else if(c->dia_size<2)
976
        return small_diamond_search(s, best, dmin, src_index, ref_index, penalty_factor, size, h, flags);
977
    else if(c->dia_size>768)
978
        return           umh_search(s, best, dmin, src_index, ref_index, penalty_factor, size, h, flags);
979
    else if(c->dia_size>512)
980
        return           hex_search(s, best, dmin, src_index, ref_index, penalty_factor, size, h, flags, c->dia_size&0xFF);
981
    else if(c->dia_size>256)
982
        return       l2s_dia_search(s, best, dmin, src_index, ref_index, penalty_factor, size, h, flags);
983
    else
984
        return   var_diamond_search(s, best, dmin, src_index, ref_index, penalty_factor, size, h, flags);
985
}
986

    
987
static av_always_inline int epzs_motion_search_internal(MpegEncContext * s, int *mx_ptr, int *my_ptr,
988
                             int P[10][2], int src_index, int ref_index, int16_t (*last_mv)[2],
989
                             int ref_mv_scale, int flags, int size, int h)
990
{
991
    MotionEstContext * const c= &s->me;
992
    int best[2]={0, 0};
993
    int d, dmin;
994
    int map_generation;
995
    int penalty_factor;
996
    const int ref_mv_stride= s->mb_stride; //pass as arg  FIXME
997
    const int ref_mv_xy= s->mb_x + s->mb_y*ref_mv_stride; //add to last_mv beforepassing FIXME
998
    me_cmp_func cmpf, chroma_cmpf;
999

    
1000
    LOAD_COMMON
1001
    LOAD_COMMON2
1002

    
1003
    if(c->pre_pass){
1004
        penalty_factor= c->pre_penalty_factor;
1005
        cmpf= s->dsp.me_pre_cmp[size];
1006
        chroma_cmpf= s->dsp.me_pre_cmp[size+1];
1007
    }else{
1008
        penalty_factor= c->penalty_factor;
1009
        cmpf= s->dsp.me_cmp[size];
1010
        chroma_cmpf= s->dsp.me_cmp[size+1];
1011
    }
1012

    
1013
    map_generation= update_map_generation(c);
1014

    
1015
    assert(cmpf);
1016
    dmin= cmp(s, 0, 0, 0, 0, size, h, ref_index, src_index, cmpf, chroma_cmpf, flags);
1017
    map[0]= map_generation;
1018
    score_map[0]= dmin;
1019

    
1020
    /* first line */
1021
    if (s->first_slice_line) {
1022
        CHECK_MV(P_LEFT[0]>>shift, P_LEFT[1]>>shift)
1023
        CHECK_CLIPPED_MV((last_mv[ref_mv_xy][0]*ref_mv_scale + (1<<15))>>16,
1024
                        (last_mv[ref_mv_xy][1]*ref_mv_scale + (1<<15))>>16)
1025
    }else{
1026
        if(dmin<((h*h*s->avctx->mv0_threshold)>>8)
1027
                    && ( P_LEFT[0]    |P_LEFT[1]
1028
                        |P_TOP[0]     |P_TOP[1]
1029
                        |P_TOPRIGHT[0]|P_TOPRIGHT[1])==0){
1030
            *mx_ptr= 0;
1031
            *my_ptr= 0;
1032
            c->skip=1;
1033
            return dmin;
1034
        }
1035
        CHECK_MV(    P_MEDIAN[0] >>shift ,    P_MEDIAN[1] >>shift)
1036
        CHECK_CLIPPED_MV((P_MEDIAN[0]>>shift)  , (P_MEDIAN[1]>>shift)-1)
1037
        CHECK_CLIPPED_MV((P_MEDIAN[0]>>shift)  , (P_MEDIAN[1]>>shift)+1)
1038
        CHECK_CLIPPED_MV((P_MEDIAN[0]>>shift)-1, (P_MEDIAN[1]>>shift)  )
1039
        CHECK_CLIPPED_MV((P_MEDIAN[0]>>shift)+1, (P_MEDIAN[1]>>shift)  )
1040
        CHECK_CLIPPED_MV((last_mv[ref_mv_xy][0]*ref_mv_scale + (1<<15))>>16,
1041
                        (last_mv[ref_mv_xy][1]*ref_mv_scale + (1<<15))>>16)
1042
        CHECK_MV(P_LEFT[0]    >>shift, P_LEFT[1]    >>shift)
1043
        CHECK_MV(P_TOP[0]     >>shift, P_TOP[1]     >>shift)
1044
        CHECK_MV(P_TOPRIGHT[0]>>shift, P_TOPRIGHT[1]>>shift)
1045
    }
1046
    if(dmin>h*h*4){
1047
        if(c->pre_pass){
1048
            CHECK_CLIPPED_MV((last_mv[ref_mv_xy-1][0]*ref_mv_scale + (1<<15))>>16,
1049
                            (last_mv[ref_mv_xy-1][1]*ref_mv_scale + (1<<15))>>16)
1050
            if(!s->first_slice_line)
1051
                CHECK_CLIPPED_MV((last_mv[ref_mv_xy-ref_mv_stride][0]*ref_mv_scale + (1<<15))>>16,
1052
                                (last_mv[ref_mv_xy-ref_mv_stride][1]*ref_mv_scale + (1<<15))>>16)
1053
        }else{
1054
            CHECK_CLIPPED_MV((last_mv[ref_mv_xy+1][0]*ref_mv_scale + (1<<15))>>16,
1055
                            (last_mv[ref_mv_xy+1][1]*ref_mv_scale + (1<<15))>>16)
1056
            if(s->mb_y+1<s->end_mb_y)  //FIXME replace at least with last_slice_line
1057
                CHECK_CLIPPED_MV((last_mv[ref_mv_xy+ref_mv_stride][0]*ref_mv_scale + (1<<15))>>16,
1058
                                (last_mv[ref_mv_xy+ref_mv_stride][1]*ref_mv_scale + (1<<15))>>16)
1059
        }
1060
    }
1061

    
1062
    if(c->avctx->last_predictor_count){
1063
        const int count= c->avctx->last_predictor_count;
1064
        const int xstart= FFMAX(0, s->mb_x - count);
1065
        const int ystart= FFMAX(0, s->mb_y - count);
1066
        const int xend= FFMIN(s->mb_width , s->mb_x + count + 1);
1067
        const int yend= FFMIN(s->mb_height, s->mb_y + count + 1);
1068
        int mb_y;
1069

    
1070
        for(mb_y=ystart; mb_y<yend; mb_y++){
1071
            int mb_x;
1072
            for(mb_x=xstart; mb_x<xend; mb_x++){
1073
                const int xy= mb_x + 1 + (mb_y + 1)*ref_mv_stride;
1074
                int mx= (last_mv[xy][0]*ref_mv_scale + (1<<15))>>16;
1075
                int my= (last_mv[xy][1]*ref_mv_scale + (1<<15))>>16;
1076

    
1077
                if(mx>xmax || mx<xmin || my>ymax || my<ymin) continue;
1078
                CHECK_MV(mx,my)
1079
            }
1080
        }
1081
    }
1082

    
1083
//check(best[0],best[1],0, b0)
1084
    dmin= diamond_search(s, best, dmin, src_index, ref_index, penalty_factor, size, h, flags);
1085

    
1086
//check(best[0],best[1],0, b1)
1087
    *mx_ptr= best[0];
1088
    *my_ptr= best[1];
1089

    
1090
//    printf("%d %d %d \n", best[0], best[1], dmin);
1091
    return dmin;
1092
}
1093

    
1094
//this function is dedicated to the braindamaged gcc
1095
inline int ff_epzs_motion_search(MpegEncContext * s, int *mx_ptr, int *my_ptr,
1096
                             int P[10][2], int src_index, int ref_index, int16_t (*last_mv)[2],
1097
                             int ref_mv_scale, int size, int h)
1098
{
1099
    MotionEstContext * const c= &s->me;
1100
//FIXME convert other functions in the same way if faster
1101
    if(c->flags==0 && h==16 && size==0){
1102
        return epzs_motion_search_internal(s, mx_ptr, my_ptr, P, src_index, ref_index, last_mv, ref_mv_scale, 0, 0, 16);
1103
//    case FLAG_QPEL:
1104
//        return epzs_motion_search_internal(s, mx_ptr, my_ptr, P, src_index, ref_index, last_mv, ref_mv_scale, FLAG_QPEL);
1105
    }else{
1106
        return epzs_motion_search_internal(s, mx_ptr, my_ptr, P, src_index, ref_index, last_mv, ref_mv_scale, c->flags, size, h);
1107
    }
1108
}
1109

    
1110
static int epzs_motion_search4(MpegEncContext * s,
1111
                             int *mx_ptr, int *my_ptr, int P[10][2],
1112
                             int src_index, int ref_index, int16_t (*last_mv)[2],
1113
                             int ref_mv_scale)
1114
{
1115
    MotionEstContext * const c= &s->me;
1116
    int best[2]={0, 0};
1117
    int d, dmin;
1118
    int map_generation;
1119
    const int penalty_factor= c->penalty_factor;
1120
    const int size=1;
1121
    const int h=8;
1122
    const int ref_mv_stride= s->mb_stride;
1123
    const int ref_mv_xy= s->mb_x + s->mb_y *ref_mv_stride;
1124
    me_cmp_func cmpf, chroma_cmpf;
1125
    LOAD_COMMON
1126
    int flags= c->flags;
1127
    LOAD_COMMON2
1128

    
1129
    cmpf= s->dsp.me_cmp[size];
1130
    chroma_cmpf= s->dsp.me_cmp[size+1];
1131

    
1132
    map_generation= update_map_generation(c);
1133

    
1134
    dmin = 1000000;
1135
//printf("%d %d %d %d //",xmin, ymin, xmax, ymax);
1136
    /* first line */
1137
    if (s->first_slice_line) {
1138
        CHECK_MV(P_LEFT[0]>>shift, P_LEFT[1]>>shift)
1139
        CHECK_CLIPPED_MV((last_mv[ref_mv_xy][0]*ref_mv_scale + (1<<15))>>16,
1140
                        (last_mv[ref_mv_xy][1]*ref_mv_scale + (1<<15))>>16)
1141
        CHECK_MV(P_MV1[0]>>shift, P_MV1[1]>>shift)
1142
    }else{
1143
        CHECK_MV(P_MV1[0]>>shift, P_MV1[1]>>shift)
1144
        //FIXME try some early stop
1145
        CHECK_MV(P_MEDIAN[0]>>shift, P_MEDIAN[1]>>shift)
1146
        CHECK_MV(P_LEFT[0]>>shift, P_LEFT[1]>>shift)
1147
        CHECK_MV(P_TOP[0]>>shift, P_TOP[1]>>shift)
1148
        CHECK_MV(P_TOPRIGHT[0]>>shift, P_TOPRIGHT[1]>>shift)
1149
        CHECK_CLIPPED_MV((last_mv[ref_mv_xy][0]*ref_mv_scale + (1<<15))>>16,
1150
                        (last_mv[ref_mv_xy][1]*ref_mv_scale + (1<<15))>>16)
1151
    }
1152
    if(dmin>64*4){
1153
        CHECK_CLIPPED_MV((last_mv[ref_mv_xy+1][0]*ref_mv_scale + (1<<15))>>16,
1154
                        (last_mv[ref_mv_xy+1][1]*ref_mv_scale + (1<<15))>>16)
1155
        if(s->mb_y+1<s->end_mb_y)  //FIXME replace at least with last_slice_line
1156
            CHECK_CLIPPED_MV((last_mv[ref_mv_xy+ref_mv_stride][0]*ref_mv_scale + (1<<15))>>16,
1157
                            (last_mv[ref_mv_xy+ref_mv_stride][1]*ref_mv_scale + (1<<15))>>16)
1158
    }
1159

    
1160
    dmin= diamond_search(s, best, dmin, src_index, ref_index, penalty_factor, size, h, flags);
1161

    
1162
    *mx_ptr= best[0];
1163
    *my_ptr= best[1];
1164

    
1165
//    printf("%d %d %d \n", best[0], best[1], dmin);
1166
    return dmin;
1167
}
1168

    
1169
//try to merge with above FIXME (needs PSNR test)
1170
static int epzs_motion_search2(MpegEncContext * s,
1171
                             int *mx_ptr, int *my_ptr, int P[10][2],
1172
                             int src_index, int ref_index, int16_t (*last_mv)[2],
1173
                             int ref_mv_scale)
1174
{
1175
    MotionEstContext * const c= &s->me;
1176
    int best[2]={0, 0};
1177
    int d, dmin;
1178
    int map_generation;
1179
    const int penalty_factor= c->penalty_factor;
1180
    const int size=0; //FIXME pass as arg
1181
    const int h=8;
1182
    const int ref_mv_stride= s->mb_stride;
1183
    const int ref_mv_xy= s->mb_x + s->mb_y *ref_mv_stride;
1184
    me_cmp_func cmpf, chroma_cmpf;
1185
    LOAD_COMMON
1186
    int flags= c->flags;
1187
    LOAD_COMMON2
1188

    
1189
    cmpf= s->dsp.me_cmp[size];
1190
    chroma_cmpf= s->dsp.me_cmp[size+1];
1191

    
1192
    map_generation= update_map_generation(c);
1193

    
1194
    dmin = 1000000;
1195
//printf("%d %d %d %d //",xmin, ymin, xmax, ymax);
1196
    /* first line */
1197
    if (s->first_slice_line) {
1198
        CHECK_MV(P_LEFT[0]>>shift, P_LEFT[1]>>shift)
1199
        CHECK_CLIPPED_MV((last_mv[ref_mv_xy][0]*ref_mv_scale + (1<<15))>>16,
1200
                        (last_mv[ref_mv_xy][1]*ref_mv_scale + (1<<15))>>16)
1201
        CHECK_MV(P_MV1[0]>>shift, P_MV1[1]>>shift)
1202
    }else{
1203
        CHECK_MV(P_MV1[0]>>shift, P_MV1[1]>>shift)
1204
        //FIXME try some early stop
1205
        CHECK_MV(P_MEDIAN[0]>>shift, P_MEDIAN[1]>>shift)
1206
        CHECK_MV(P_LEFT[0]>>shift, P_LEFT[1]>>shift)
1207
        CHECK_MV(P_TOP[0]>>shift, P_TOP[1]>>shift)
1208
        CHECK_MV(P_TOPRIGHT[0]>>shift, P_TOPRIGHT[1]>>shift)
1209
        CHECK_CLIPPED_MV((last_mv[ref_mv_xy][0]*ref_mv_scale + (1<<15))>>16,
1210
                        (last_mv[ref_mv_xy][1]*ref_mv_scale + (1<<15))>>16)
1211
    }
1212
    if(dmin>64*4){
1213
        CHECK_CLIPPED_MV((last_mv[ref_mv_xy+1][0]*ref_mv_scale + (1<<15))>>16,
1214
                        (last_mv[ref_mv_xy+1][1]*ref_mv_scale + (1<<15))>>16)
1215
        if(s->mb_y+1<s->end_mb_y)  //FIXME replace at least with last_slice_line
1216
            CHECK_CLIPPED_MV((last_mv[ref_mv_xy+ref_mv_stride][0]*ref_mv_scale + (1<<15))>>16,
1217
                            (last_mv[ref_mv_xy+ref_mv_stride][1]*ref_mv_scale + (1<<15))>>16)
1218
    }
1219

    
1220
    dmin= diamond_search(s, best, dmin, src_index, ref_index, penalty_factor, size, h, flags);
1221

    
1222
    *mx_ptr= best[0];
1223
    *my_ptr= best[1];
1224

    
1225
//    printf("%d %d %d \n", best[0], best[1], dmin);
1226
    return dmin;
1227
}