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ffmpeg / libavcodec / motion_est.c @ 20646267

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1 de6d9b64 Fabrice Bellard
/*
2
 * Motion estimation 
3 ff4ec49e Fabrice Bellard
 * Copyright (c) 2000,2001 Fabrice Bellard.
4 8f2ab833 Michael Niedermayer
 * Copyright (c) 2002-2004 Michael Niedermayer
5 de6d9b64 Fabrice Bellard
 * 
6
 *
7 ff4ec49e Fabrice Bellard
 * 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 de6d9b64 Fabrice Bellard
 *
12 ff4ec49e Fabrice Bellard
 * This library is distributed in the hope that it will be useful,
13 de6d9b64 Fabrice Bellard
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 ff4ec49e Fabrice Bellard
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
15
 * Lesser General Public License for more details.
16 de6d9b64 Fabrice Bellard
 *
17 ff4ec49e Fabrice Bellard
 * 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 45870f57 Michael Niedermayer
 *
21
 * new Motion Estimation (X1/EPZS) by Michael Niedermayer <michaelni@gmx.at>
22 de6d9b64 Fabrice Bellard
 */
23 983e3246 Michael Niedermayer
 
24
/**
25
 * @file motion_est.c
26
 * Motion estimation.
27
 */
28
 
29 de6d9b64 Fabrice Bellard
#include <stdlib.h>
30
#include <stdio.h>
31 2d5e962b Michael Niedermayer
#include <limits.h>
32 de6d9b64 Fabrice Bellard
#include "avcodec.h"
33
#include "dsputil.h"
34
#include "mpegvideo.h"
35
36 2750b827 Michael Niedermayer
#undef NDEBUG
37
#include <assert.h>
38 1457ab52 Michael Niedermayer
39 0d21a846 Michael Niedermayer
#define SQ(a) ((a)*(a))
40 b3987771 Michael Niedermayer
41 0d21a846 Michael Niedermayer
#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 1457ab52 Michael Niedermayer
static inline int sad_hpel_motion_search(MpegEncContext * s,
48
                                  int *mx_ptr, int *my_ptr, int dmin,
49 2750b827 Michael Niedermayer
                                  int src_index, int ref_index,
50
                                  int size, int h);
51 1457ab52 Michael Niedermayer
52 af4091f1 Michael Niedermayer
static inline int update_map_generation(MotionEstContext *c)
53 1457ab52 Michael Niedermayer
{
54 af4091f1 Michael Niedermayer
    c->map_generation+= 1<<(ME_MAP_MV_BITS*2);
55
    if(c->map_generation==0){
56
        c->map_generation= 1<<(ME_MAP_MV_BITS*2);
57
        memset(c->map, 0, sizeof(uint32_t)*ME_MAP_SIZE);
58 1457ab52 Michael Niedermayer
    }
59 af4091f1 Michael Niedermayer
    return c->map_generation;
60 1457ab52 Michael Niedermayer
}
61
62 b07a5980 Michael Niedermayer
/* shape adaptive search stuff */
63
typedef struct Minima{
64
    int height;
65
    int x, y;
66
    int checked;
67
}Minima;
68 1457ab52 Michael Niedermayer
69 b07a5980 Michael Niedermayer
static int minima_cmp(const void *a, const void *b){
70 5c91a675 Zdenek Kabelac
    const Minima *da = (const Minima *) a;
71
    const Minima *db = (const Minima *) b;
72 b07a5980 Michael Niedermayer
    
73
    return da->height - db->height;
74
}
75 1457ab52 Michael Niedermayer
76 2750b827 Michael Niedermayer
#define FLAG_QPEL   1 //must be 1
77
#define FLAG_CHROMA 2
78
#define FLAG_DIRECT 4
79 1457ab52 Michael Niedermayer
80 af4091f1 Michael Niedermayer
static inline void init_ref(MotionEstContext *c, uint8_t *src[3], uint8_t *ref[3], uint8_t *ref2[3], int x, int y, int ref_index){
81 2750b827 Michael Niedermayer
    const int offset[3]= {
82
          y*c->  stride + x,
83
        ((y*c->uvstride + x)>>1),
84
        ((y*c->uvstride + x)>>1),
85
    };
86
    int i;
87
    for(i=0; i<3; i++){
88
        c->src[0][i]= src [i] + offset[i];
89
        c->ref[0][i]= ref [i] + offset[i];
90
    }
91
    if(ref_index){
92
        for(i=0; i<3; i++){
93
            c->ref[ref_index][i]= ref2[i] + offset[i];
94
        }
95
    }
96 1457ab52 Michael Niedermayer
}
97
98 1f202b0d Michael Niedermayer
static int get_flags(MotionEstContext *c, int direct, int chroma){
99
    return   ((c->avctx->flags&CODEC_FLAG_QPEL) ? FLAG_QPEL : 0)
100 2750b827 Michael Niedermayer
           + (direct ? FLAG_DIRECT : 0) 
101
           + (chroma ? FLAG_CHROMA : 0);
102 1457ab52 Michael Niedermayer
}
103
104 2750b827 Michael Niedermayer
static always_inline int cmp(MpegEncContext *s, const int x, const int y, const int subx, const int suby,
105
                      const int size, const int h, int ref_index, int src_index,
106
                      me_cmp_func cmp_func, me_cmp_func chroma_cmp_func, const int flags){
107
    MotionEstContext * const c= &s->me;
108
    const int stride= c->stride;
109
    const int uvstride= c->uvstride;
110
    const int qpel= flags&FLAG_QPEL;
111
    const int chroma= flags&FLAG_CHROMA;
112
    const int dxy= subx + (suby<<(1+qpel)); //FIXME log2_subpel?
113
    const int hx= subx + (x<<(1+qpel));
114
    const int hy= suby + (y<<(1+qpel));
115
    uint8_t * const * const ref= c->ref[ref_index];
116
    uint8_t * const * const src= c->src[src_index];
117
    int d;
118
    //FIXME check chroma 4mv, (no crashes ...)
119
    if(flags&FLAG_DIRECT){
120
        if(x >= c->xmin && hx <= c->xmax<<(qpel+1) && y >= c->ymin && hy <= c->ymax<<(qpel+1)){
121
            const int time_pp= s->pp_time;
122
            const int time_pb= s->pb_time;
123
            const int mask= 2*qpel+1;
124
            if(s->mv_type==MV_TYPE_8X8){
125
                int i;
126
                for(i=0; i<4; i++){
127
                    int fx = c->direct_basis_mv[i][0] + hx;
128
                    int fy = c->direct_basis_mv[i][1] + hy;
129
                    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));
130
                    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));
131
                    int fxy= (fx&mask) + ((fy&mask)<<(qpel+1));
132
                    int bxy= (bx&mask) + ((by&mask)<<(qpel+1));
133
        
134
                    uint8_t *dst= c->temp + 8*(i&1) + 8*stride*(i>>1);
135
                    if(qpel){
136
                        c->qpel_put[1][fxy](dst, ref[0] + (fx>>2) + (fy>>2)*stride, stride);
137
                        c->qpel_avg[1][bxy](dst, ref[8] + (bx>>2) + (by>>2)*stride, stride);
138
                    }else{
139
                        c->hpel_put[1][fxy](dst, ref[0] + (fx>>1) + (fy>>1)*stride, stride, 8);
140
                        c->hpel_avg[1][bxy](dst, ref[8] + (bx>>1) + (by>>1)*stride, stride, 8);
141
                    }
142
                }
143
            }else{
144
                int fx = c->direct_basis_mv[0][0] + hx;
145
                int fy = c->direct_basis_mv[0][1] + hy;
146
                int bx = hx ? fx - c->co_located_mv[0][0] : (c->co_located_mv[0][0]*(time_pb - time_pp)/time_pp);
147
                int by = hy ? fy - c->co_located_mv[0][1] : (c->co_located_mv[0][1]*(time_pb - time_pp)/time_pp);
148
                int fxy= (fx&mask) + ((fy&mask)<<(qpel+1));
149
                int bxy= (bx&mask) + ((by&mask)<<(qpel+1));
150
                
151
                if(qpel){
152
                    c->qpel_put[1][fxy](c->temp               , ref[0] + (fx>>2) + (fy>>2)*stride               , stride);
153
                    c->qpel_put[1][fxy](c->temp + 8           , ref[0] + (fx>>2) + (fy>>2)*stride + 8           , stride);
154
                    c->qpel_put[1][fxy](c->temp     + 8*stride, ref[0] + (fx>>2) + (fy>>2)*stride     + 8*stride, stride);
155
                    c->qpel_put[1][fxy](c->temp + 8 + 8*stride, ref[0] + (fx>>2) + (fy>>2)*stride + 8 + 8*stride, stride);
156
                    c->qpel_avg[1][bxy](c->temp               , ref[8] + (bx>>2) + (by>>2)*stride               , stride);
157
                    c->qpel_avg[1][bxy](c->temp + 8           , ref[8] + (bx>>2) + (by>>2)*stride + 8           , stride);
158
                    c->qpel_avg[1][bxy](c->temp     + 8*stride, ref[8] + (bx>>2) + (by>>2)*stride     + 8*stride, stride);
159
                    c->qpel_avg[1][bxy](c->temp + 8 + 8*stride, ref[8] + (bx>>2) + (by>>2)*stride + 8 + 8*stride, stride);
160
                }else{            
161
                    assert((fx>>1) + 16*s->mb_x >= -16);
162
                    assert((fy>>1) + 16*s->mb_y >= -16);
163
                    assert((fx>>1) + 16*s->mb_x <= s->width);
164
                    assert((fy>>1) + 16*s->mb_y <= s->height);
165
                    assert((bx>>1) + 16*s->mb_x >= -16);
166
                    assert((by>>1) + 16*s->mb_y >= -16);
167
                    assert((bx>>1) + 16*s->mb_x <= s->width);
168
                    assert((by>>1) + 16*s->mb_y <= s->height);
169
170
                    c->hpel_put[0][fxy](c->temp, ref[0] + (fx>>1) + (fy>>1)*stride, stride, 16);
171
                    c->hpel_avg[0][bxy](c->temp, ref[8] + (bx>>1) + (by>>1)*stride, stride, 16);
172
                }
173
            }
174
            d = cmp_func(s, c->temp, src[0], stride, 16);
175
        }else
176
            d= 256*256*256*32;
177
    }else{
178
        int uvdxy;
179
        if(dxy){
180
            if(qpel){
181
                c->qpel_put[size][dxy](c->temp, ref[0] + x + y*stride, stride); //FIXME prototype (add h)
182
                if(chroma){
183
                    int cx= hx/2;
184
                    int cy= hy/2;
185
                    cx= (cx>>1)|(cx&1);
186
                    cy= (cy>>1)|(cy&1);
187
                    uvdxy= (cx&1) + 2*(cy&1);
188
                    //FIXME x/y wrong, but mpeg4 qpel is sick anyway, we should drop as much of it as possible in favor for h264
189
                }
190
            }else{
191
                c->hpel_put[size][dxy](c->temp, ref[0] + x + y*stride, stride, h);
192
                if(chroma)
193
                    uvdxy= dxy | (x&1) | (2*(y&1));
194
            }
195
            d = cmp_func(s, c->temp, src[0], stride, h); 
196
        }else{
197
            d = cmp_func(s, src[0], ref[0] + x + y*stride, stride, h); 
198
            if(chroma)
199
                uvdxy= (x&1) + 2*(y&1);
200
        }
201
        if(chroma){
202
            uint8_t * const uvtemp= c->temp + 16*stride;
203
            c->hpel_put[size+1][uvdxy](uvtemp  , ref[1] + (x>>1) + (y>>1)*uvstride, uvstride, h>>1);
204
            c->hpel_put[size+1][uvdxy](uvtemp+8, ref[2] + (x>>1) + (y>>1)*uvstride, uvstride, h>>1);
205
            d += chroma_cmp_func(s, uvtemp  , src[1], uvstride, h>>1); 
206
            d += chroma_cmp_func(s, uvtemp+8, src[2], uvstride, h>>1); 
207
        }
208
    }
209
#if 0
210
    if(full_pel){
211
        const int index= (((y)<<ME_MAP_SHIFT) + (x))&(ME_MAP_SIZE-1);
212
        score_map[index]= d;
213
    }
214

215
    d += (c->mv_penalty[hx - c->pred_x] + c->mv_penalty[hy - c->pred_y])*c->penalty_factor;
216
#endif
217
    return d;
218
}
219 1457ab52 Michael Niedermayer
220
#include "motion_est_template.c"
221
222
static inline int get_penalty_factor(MpegEncContext *s, int type){
223 67725183 Michael Niedermayer
    switch(type&0xFF){
224 1457ab52 Michael Niedermayer
    default:
225
    case FF_CMP_SAD:
226 67725183 Michael Niedermayer
        return s->qscale*2;
227 1457ab52 Michael Niedermayer
    case FF_CMP_DCT:
228 67725183 Michael Niedermayer
        return s->qscale*3;
229 1457ab52 Michael Niedermayer
    case FF_CMP_SATD:
230 67725183 Michael Niedermayer
        return s->qscale*6;
231 3a87ac94 Michael Niedermayer
    case FF_CMP_SSE:
232 67725183 Michael Niedermayer
        return s->qscale*s->qscale*2;
233 3a87ac94 Michael Niedermayer
    case FF_CMP_BIT:
234
        return 1;
235
    case FF_CMP_RD:
236 67725183 Michael Niedermayer
    case FF_CMP_PSNR:
237
        return (s->qscale*s->qscale*185 + 64)>>7;
238 1457ab52 Michael Niedermayer
    }
239
}
240
241
void ff_init_me(MpegEncContext *s){
242 9964df63 Michael Niedermayer
    MotionEstContext * const c= &s->me;
243 1f202b0d Michael Niedermayer
    c->avctx= s->avctx;
244 9964df63 Michael Niedermayer
245 1f202b0d Michael Niedermayer
    ff_set_cmp(&s->dsp, s->dsp.me_pre_cmp, c->avctx->me_pre_cmp);
246
    ff_set_cmp(&s->dsp, s->dsp.me_cmp, c->avctx->me_cmp);
247
    ff_set_cmp(&s->dsp, s->dsp.me_sub_cmp, c->avctx->me_sub_cmp);
248
    ff_set_cmp(&s->dsp, s->dsp.mb_cmp, c->avctx->mb_cmp);
249 2750b827 Michael Niedermayer
    
250 1f202b0d Michael Niedermayer
    c->flags    = get_flags(c, 0, c->avctx->me_cmp    &FF_CMP_CHROMA);
251
    c->sub_flags= get_flags(c, 0, c->avctx->me_sub_cmp&FF_CMP_CHROMA);
252
    c->mb_flags = get_flags(c, 0, c->avctx->mb_cmp    &FF_CMP_CHROMA);
253 de6d9b64 Fabrice Bellard
254 9964df63 Michael Niedermayer
/*FIXME s->no_rounding b_type*/
255 1457ab52 Michael Niedermayer
    if(s->flags&CODEC_FLAG_QPEL){
256 af4091f1 Michael Niedermayer
        c->sub_motion_search= qpel_motion_search;
257 9964df63 Michael Niedermayer
        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 1457ab52 Michael Niedermayer
    }else{
261 1f202b0d Michael Niedermayer
        if(c->avctx->me_sub_cmp&FF_CMP_CHROMA)
262 af4091f1 Michael Niedermayer
            c->sub_motion_search= hpel_motion_search;
263 1f202b0d Michael Niedermayer
        else if(   c->avctx->me_sub_cmp == FF_CMP_SAD 
264
                && c->avctx->    me_cmp == FF_CMP_SAD 
265
                && c->avctx->    mb_cmp == FF_CMP_SAD)
266 af4091f1 Michael Niedermayer
            c->sub_motion_search= sad_hpel_motion_search; // 2050 vs. 2450 cycles
267 1457ab52 Michael Niedermayer
        else
268 af4091f1 Michael Niedermayer
            c->sub_motion_search= hpel_motion_search;
269 9964df63 Michael Niedermayer
        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 826f429a Michael Niedermayer
    }
273 2750b827 Michael Niedermayer
    if(s->linesize){
274 af4091f1 Michael Niedermayer
        c->stride  = s->linesize; 
275
        c->uvstride= s->uvlinesize;
276 67725183 Michael Niedermayer
    }else{
277 af4091f1 Michael Niedermayer
        c->stride  = 16*s->mb_width + 32;
278
        c->uvstride=  8*s->mb_width + 16;
279 67725183 Michael Niedermayer
    }
280 9964df63 Michael Niedermayer
281
    c->temp= c->scratchpad;
282 1457ab52 Michael Niedermayer
}
283
      
284 802f454e Fabrice Bellard
#if 0
285 0c1a9eda Zdenek Kabelac
static int pix_dev(uint8_t * pix, int line_size, int mean)
286 b3987771 Michael Niedermayer
{
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 802f454e Fabrice Bellard
#endif
307 b3987771 Michael Niedermayer
308 eb4b3dd3 Zdenek Kabelac
static inline void no_motion_search(MpegEncContext * s,
309
                                    int *mx_ptr, int *my_ptr)
310 de6d9b64 Fabrice Bellard
{
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 9dbcbd92 Michael Niedermayer
                              int xmin, int ymin, int xmax, int ymax, uint8_t *ref_picture)
318 de6d9b64 Fabrice Bellard
{
319
    int x1, y1, x2, y2, xx, yy, x, y;
320
    int mx, my, dmin, d;
321 0c1a9eda Zdenek Kabelac
    uint8_t *pix;
322 de6d9b64 Fabrice Bellard
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 1e491e29 Michael Niedermayer
    pix = s->new_picture.data[0] + (yy * s->linesize) + xx;
338 de6d9b64 Fabrice Bellard
    dmin = 0x7fffffff;
339
    mx = 0;
340
    my = 0;
341
    for (y = y1; y <= y2; y++) {
342
        for (x = x1; x <= x2; x++) {
343 bb198e19 Michael Niedermayer
            d = s->dsp.pix_abs[0][0](NULL, pix, ref_picture + (y * s->linesize) + x,
344
                             s->linesize, 16);
345 de6d9b64 Fabrice Bellard
            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 9dbcbd92 Michael Niedermayer
                             int xmin, int ymin, int xmax, int ymax, uint8_t *ref_picture)
372 de6d9b64 Fabrice Bellard
{
373
    int x1, y1, x2, y2, xx, yy, x, y;
374
    int mx, my, dmin, d;
375 0c1a9eda Zdenek Kabelac
    uint8_t *pix;
376 de6d9b64 Fabrice Bellard
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 1e491e29 Michael Niedermayer
    pix = s->new_picture.data[0] + (yy * s->linesize) + xx;
401 de6d9b64 Fabrice Bellard
    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 bb198e19 Michael Niedermayer
                d = s->dsp.pix_abs[0][0](NULL, pix, ref_picture + (y * s->linesize) + x, s->linesize, 16);
409 de6d9b64 Fabrice Bellard
                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 9dbcbd92 Michael Niedermayer
                               int xmin, int ymin, int xmax, int ymax, uint8_t *ref_picture)
448 de6d9b64 Fabrice Bellard
{
449
    int x1, y1, x2, y2, xx, yy, x, y, lastx, d;
450
    int mx, my, dminx, dminy;
451 0c1a9eda Zdenek Kabelac
    uint8_t *pix;
452 de6d9b64 Fabrice Bellard
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 1e491e29 Michael Niedermayer
    pix = s->new_picture.data[0] + (yy * s->linesize) + xx;
477 de6d9b64 Fabrice Bellard
    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 bb198e19 Michael Niedermayer
            d = s->dsp.pix_abs[0][0](NULL, pix, ref_picture + (y * s->linesize) + x, s->linesize, 16);
489 de6d9b64 Fabrice Bellard
            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 bb198e19 Michael Niedermayer
            d = s->dsp.pix_abs[0][0](NULL, pix, ref_picture + (y * s->linesize) + x, s->linesize, 16);
498 de6d9b64 Fabrice Bellard
            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 45870f57 Michael Niedermayer
537
#define Z_THRESHOLD 256
538
539 1457ab52 Michael Niedermayer
#define CHECK_SAD_HALF_MV(suffix, x, y) \
540 0d21a846 Michael Niedermayer
{\
541 bb198e19 Michael Niedermayer
    d= s->dsp.pix_abs[size][(x?1:0)+(y?2:0)](NULL, pix, ptr+((x)>>1), stride, h);\
542 1457ab52 Michael Niedermayer
    d += (mv_penalty[pen_x + x] + mv_penalty[pen_y + y])*penalty_factor;\
543 0d21a846 Michael Niedermayer
    COPY3_IF_LT(dminh, d, dx, x, dy, y)\
544
}
545 45870f57 Michael Niedermayer
546 1457ab52 Michael Niedermayer
static inline int sad_hpel_motion_search(MpegEncContext * s,
547 de6d9b64 Fabrice Bellard
                                  int *mx_ptr, int *my_ptr, int dmin,
548 2750b827 Michael Niedermayer
                                  int src_index, int ref_index,
549
                                  int size, int h)
550 de6d9b64 Fabrice Bellard
{
551 af4091f1 Michael Niedermayer
    MotionEstContext * const c= &s->me;
552
    const int penalty_factor= c->sub_penalty_factor;
553 bb198e19 Michael Niedermayer
    int mx, my, dminh;
554 0c1a9eda Zdenek Kabelac
    uint8_t *pix, *ptr;
555 af4091f1 Michael Niedermayer
    int stride= c->stride;
556
    const int flags= c->sub_flags;
557 2750b827 Michael Niedermayer
    LOAD_COMMON
558
    
559
    assert(flags == 0);
560 de6d9b64 Fabrice Bellard
561 af4091f1 Michael Niedermayer
    if(c->skip){
562 0d21a846 Michael Niedermayer
//    printf("S");
563
        *mx_ptr = 0;
564
        *my_ptr = 0;
565
        return dmin;
566
    }
567
//    printf("N");
568
        
569 af4091f1 Michael Niedermayer
    pix = c->src[src_index][0];
570 0d21a846 Michael Niedermayer
571 ba6802de Michael Niedermayer
    mx = *mx_ptr;
572
    my = *my_ptr;
573 af4091f1 Michael Niedermayer
    ptr = c->ref[ref_index][0] + (my * stride) + mx;
574 0d21a846 Michael Niedermayer
    
575 ba6802de Michael Niedermayer
    dminh = dmin;
576
577
    if (mx > xmin && mx < xmax && 
578
        my > ymin && my < ymax) {
579 0d21a846 Michael Niedermayer
        int dx=0, dy=0;
580
        int d, pen_x, pen_y; 
581
        const int index= (my<<ME_MAP_SHIFT) + mx;
582
        const int t= score_map[(index-(1<<ME_MAP_SHIFT))&(ME_MAP_SIZE-1)];
583
        const int l= score_map[(index- 1               )&(ME_MAP_SIZE-1)];
584
        const int r= score_map[(index+ 1               )&(ME_MAP_SIZE-1)];
585
        const int b= score_map[(index+(1<<ME_MAP_SHIFT))&(ME_MAP_SIZE-1)];
586
        mx<<=1;
587
        my<<=1;
588 ba6802de Michael Niedermayer
589
        
590
        pen_x= pred_x + mx;
591
        pen_y= pred_y + my;
592
593 bb198e19 Michael Niedermayer
        ptr-= stride;
594 0d21a846 Michael Niedermayer
        if(t<=b){
595 1457ab52 Michael Niedermayer
            CHECK_SAD_HALF_MV(y2 , 0, -1)
596 0d21a846 Michael Niedermayer
            if(l<=r){
597 1457ab52 Michael Niedermayer
                CHECK_SAD_HALF_MV(xy2, -1, -1)
598 0d21a846 Michael Niedermayer
                if(t+r<=b+l){
599 1457ab52 Michael Niedermayer
                    CHECK_SAD_HALF_MV(xy2, +1, -1)
600 bb198e19 Michael Niedermayer
                    ptr+= stride;
601 0d21a846 Michael Niedermayer
                }else{
602 bb198e19 Michael Niedermayer
                    ptr+= stride;
603 1457ab52 Michael Niedermayer
                    CHECK_SAD_HALF_MV(xy2, -1, +1)
604 0d21a846 Michael Niedermayer
                }
605 1457ab52 Michael Niedermayer
                CHECK_SAD_HALF_MV(x2 , -1,  0)
606 0d21a846 Michael Niedermayer
            }else{
607 1457ab52 Michael Niedermayer
                CHECK_SAD_HALF_MV(xy2, +1, -1)
608 0d21a846 Michael Niedermayer
                if(t+l<=b+r){
609 1457ab52 Michael Niedermayer
                    CHECK_SAD_HALF_MV(xy2, -1, -1)
610 bb198e19 Michael Niedermayer
                    ptr+= stride;
611 0d21a846 Michael Niedermayer
                }else{
612 bb198e19 Michael Niedermayer
                    ptr+= stride;
613 1457ab52 Michael Niedermayer
                    CHECK_SAD_HALF_MV(xy2, +1, +1)
614 0d21a846 Michael Niedermayer
                }
615 1457ab52 Michael Niedermayer
                CHECK_SAD_HALF_MV(x2 , +1,  0)
616 0d21a846 Michael Niedermayer
            }
617
        }else{
618
            if(l<=r){
619
                if(t+l<=b+r){
620 1457ab52 Michael Niedermayer
                    CHECK_SAD_HALF_MV(xy2, -1, -1)
621 bb198e19 Michael Niedermayer
                    ptr+= stride;
622 0d21a846 Michael Niedermayer
                }else{
623 bb198e19 Michael Niedermayer
                    ptr+= stride;
624 1457ab52 Michael Niedermayer
                    CHECK_SAD_HALF_MV(xy2, +1, +1)
625 0d21a846 Michael Niedermayer
                }
626 1457ab52 Michael Niedermayer
                CHECK_SAD_HALF_MV(x2 , -1,  0)
627
                CHECK_SAD_HALF_MV(xy2, -1, +1)
628 0d21a846 Michael Niedermayer
            }else{
629
                if(t+r<=b+l){
630 1457ab52 Michael Niedermayer
                    CHECK_SAD_HALF_MV(xy2, +1, -1)
631 bb198e19 Michael Niedermayer
                    ptr+= stride;
632 0d21a846 Michael Niedermayer
                }else{
633 bb198e19 Michael Niedermayer
                    ptr+= stride;
634 1457ab52 Michael Niedermayer
                    CHECK_SAD_HALF_MV(xy2, -1, +1)
635 0d21a846 Michael Niedermayer
                }
636 1457ab52 Michael Niedermayer
                CHECK_SAD_HALF_MV(x2 , +1,  0)
637
                CHECK_SAD_HALF_MV(xy2, +1, +1)
638 0d21a846 Michael Niedermayer
            }
639 1457ab52 Michael Niedermayer
            CHECK_SAD_HALF_MV(y2 ,  0, +1)
640 0d21a846 Michael Niedermayer
        }
641
        mx+=dx;
642
        my+=dy;
643 ba6802de Michael Niedermayer
644
    }else{
645 0d21a846 Michael Niedermayer
        mx<<=1;
646
        my<<=1;
647 ba6802de Michael Niedermayer
    }
648
649
    *mx_ptr = mx;
650
    *my_ptr = my;
651 0d21a846 Michael Niedermayer
    return dminh;
652 ba6802de Michael Niedermayer
}
653
654 0d21a846 Michael Niedermayer
static inline void set_p_mv_tables(MpegEncContext * s, int mx, int my, int mv4)
655 ba6802de Michael Niedermayer
{
656 7bc9090a Michael Niedermayer
    const int xy= s->mb_x + s->mb_y*s->mb_stride;
657 ba6802de Michael Niedermayer
    
658 9dbcbd92 Michael Niedermayer
    s->p_mv_table[xy][0] = mx;
659
    s->p_mv_table[xy][1] = my;
660 ba6802de Michael Niedermayer
661
    /* has allready been set to the 4 MV if 4MV is done */
662 0d21a846 Michael Niedermayer
    if(mv4){
663 ba6802de Michael Niedermayer
        int mot_xy= s->block_index[0];
664
665 8d7ec294 Wolfgang Hesseler
        s->current_picture.motion_val[0][mot_xy  ][0]= mx;
666
        s->current_picture.motion_val[0][mot_xy  ][1]= my;
667
        s->current_picture.motion_val[0][mot_xy+1][0]= mx;
668
        s->current_picture.motion_val[0][mot_xy+1][1]= my;
669 ba6802de Michael Niedermayer
670 137c8468 Michael Niedermayer
        mot_xy += s->b8_stride;
671 8d7ec294 Wolfgang Hesseler
        s->current_picture.motion_val[0][mot_xy  ][0]= mx;
672
        s->current_picture.motion_val[0][mot_xy  ][1]= my;
673
        s->current_picture.motion_val[0][mot_xy+1][0]= mx;
674
        s->current_picture.motion_val[0][mot_xy+1][1]= my;
675 ba6802de Michael Niedermayer
    }
676
}
677
678 ebbcdc9a Michael Niedermayer
/**
679
 * get fullpel ME search limits.
680
 */
681 bb198e19 Michael Niedermayer
static inline void get_limits(MpegEncContext *s, int x, int y)
682 de6d9b64 Fabrice Bellard
{
683 af4091f1 Michael Niedermayer
    MotionEstContext * const c= &s->me;
684 bb198e19 Michael Niedermayer
/*
685 1f202b0d Michael Niedermayer
    if(c->avctx->me_range) c->range= c->avctx->me_range >> 1;
686 af4091f1 Michael Niedermayer
    else                   c->range= 16;
687 bb198e19 Michael Niedermayer
*/
688 de6d9b64 Fabrice Bellard
    if (s->unrestricted_mv) {
689 af4091f1 Michael Niedermayer
        c->xmin = - x - 16;
690
        c->ymin = - y - 16;
691
        c->xmax = - x + s->mb_width *16;
692
        c->ymax = - y + s->mb_height*16;
693 de6d9b64 Fabrice Bellard
    } else {
694 af4091f1 Michael Niedermayer
        c->xmin = - x;
695
        c->ymin = - y;
696
        c->xmax = - x + s->mb_width *16 - 16;
697
        c->ymax = - y + s->mb_height*16 - 16;
698 de6d9b64 Fabrice Bellard
    }
699 9dbcbd92 Michael Niedermayer
}
700
701 1f202b0d Michael Niedermayer
static inline void init_mv4_ref(MotionEstContext *c){
702
    const int stride= c->stride;
703 9964df63 Michael Niedermayer
704
    c->ref[1][0] = c->ref[0][0] + 8;
705
    c->ref[2][0] = c->ref[0][0] + 8*stride;
706
    c->ref[3][0] = c->ref[2][0] + 8;
707
    c->src[1][0] = c->src[0][0] + 8;
708
    c->src[2][0] = c->src[0][0] + 8*stride;
709
    c->src[3][0] = c->src[2][0] + 8;
710
}
711
712 bb198e19 Michael Niedermayer
static inline int h263_mv4_search(MpegEncContext *s, int mx, int my, int shift)
713 0d21a846 Michael Niedermayer
{
714 2750b827 Michael Niedermayer
    MotionEstContext * const c= &s->me;
715 bb198e19 Michael Niedermayer
    const int size= 1;
716
    const int h=8;
717 0d21a846 Michael Niedermayer
    int block;
718
    int P[10][2];
719 67725183 Michael Niedermayer
    int dmin_sum=0, mx4_sum=0, my4_sum=0;
720 ca7d05d5 Michael Niedermayer
    int same=1;
721 1f202b0d Michael Niedermayer
    const int stride= c->stride;
722
    const int uvstride= c->uvstride;
723 af4091f1 Michael Niedermayer
    uint8_t *mv_penalty= c->current_mv_penalty;
724 2750b827 Michael Niedermayer
725 1f202b0d Michael Niedermayer
    init_mv4_ref(c);
726 2750b827 Michael Niedermayer
    
727 0d21a846 Michael Niedermayer
    for(block=0; block<4; block++){
728
        int mx4, my4;
729
        int pred_x4, pred_y4;
730
        int dmin4;
731
        static const int off[4]= {2, 1, 1, -1};
732 137c8468 Michael Niedermayer
        const int mot_stride = s->b8_stride;
733 0d21a846 Michael Niedermayer
        const int mot_xy = s->block_index[block];
734 bb198e19 Michael Niedermayer
735 8d7ec294 Wolfgang Hesseler
        P_LEFT[0] = s->current_picture.motion_val[0][mot_xy - 1][0];
736
        P_LEFT[1] = s->current_picture.motion_val[0][mot_xy - 1][1];
737 0d21a846 Michael Niedermayer
738 af4091f1 Michael Niedermayer
        if(P_LEFT[0]       > (c->xmax<<shift)) P_LEFT[0]       = (c->xmax<<shift);
739 0d21a846 Michael Niedermayer
740
        /* special case for first line */
741 9c3d33d6 Michael Niedermayer
        if (s->first_slice_line && block<2) {
742 af4091f1 Michael Niedermayer
            c->pred_x= pred_x4= P_LEFT[0];
743
            c->pred_y= pred_y4= P_LEFT[1];
744 0d21a846 Michael Niedermayer
        } else {
745 8d7ec294 Wolfgang Hesseler
            P_TOP[0]      = s->current_picture.motion_val[0][mot_xy - mot_stride             ][0];
746
            P_TOP[1]      = s->current_picture.motion_val[0][mot_xy - mot_stride             ][1];
747
            P_TOPRIGHT[0] = s->current_picture.motion_val[0][mot_xy - mot_stride + off[block]][0];
748
            P_TOPRIGHT[1] = s->current_picture.motion_val[0][mot_xy - mot_stride + off[block]][1];
749 af4091f1 Michael Niedermayer
            if(P_TOP[1]      > (c->ymax<<shift)) P_TOP[1]     = (c->ymax<<shift);
750
            if(P_TOPRIGHT[0] < (c->xmin<<shift)) P_TOPRIGHT[0]= (c->xmin<<shift);
751
            if(P_TOPRIGHT[0] > (c->xmax<<shift)) P_TOPRIGHT[0]= (c->xmax<<shift);
752
            if(P_TOPRIGHT[1] > (c->ymax<<shift)) P_TOPRIGHT[1]= (c->ymax<<shift);
753 0d21a846 Michael Niedermayer
    
754
            P_MEDIAN[0]= mid_pred(P_LEFT[0], P_TOP[0], P_TOPRIGHT[0]);
755
            P_MEDIAN[1]= mid_pred(P_LEFT[1], P_TOP[1], P_TOPRIGHT[1]);
756
757 af4091f1 Michael Niedermayer
            c->pred_x= pred_x4 = P_MEDIAN[0];
758
            c->pred_y= pred_y4 = P_MEDIAN[1];
759 0d21a846 Michael Niedermayer
        }
760
        P_MV1[0]= mx;
761
        P_MV1[1]= my;
762
763 2750b827 Michael Niedermayer
        dmin4 = epzs_motion_search4(s, &mx4, &my4, P, block, block, s->p_mv_table, (1<<16)>>shift);
764 0d21a846 Michael Niedermayer
765 af4091f1 Michael Niedermayer
        dmin4= c->sub_motion_search(s, &mx4, &my4, dmin4, block, block, size, h);
766 cb009a8c Michael Niedermayer
        
767 2750b827 Michael Niedermayer
        if(s->dsp.me_sub_cmp[0] != s->dsp.mb_cmp[0]){
768 67725183 Michael Niedermayer
            int dxy;
769 bb198e19 Michael Niedermayer
            const int offset= ((block&1) + (block>>1)*stride)*8;
770 af4091f1 Michael Niedermayer
            uint8_t *dest_y = c->scratchpad + offset;
771 67725183 Michael Niedermayer
            if(s->quarter_sample){
772 2750b827 Michael Niedermayer
                uint8_t *ref= c->ref[block][0] + (mx4>>2) + (my4>>2)*stride;
773 67725183 Michael Niedermayer
                dxy = ((my4 & 3) << 2) | (mx4 & 3);
774
775
                if(s->no_rounding)
776 9c3d33d6 Michael Niedermayer
                    s->dsp.put_no_rnd_qpel_pixels_tab[1][dxy](dest_y   , ref    , stride);
777 67725183 Michael Niedermayer
                else
778 bb198e19 Michael Niedermayer
                    s->dsp.put_qpel_pixels_tab       [1][dxy](dest_y   , ref    , stride);
779 67725183 Michael Niedermayer
            }else{
780 2750b827 Michael Niedermayer
                uint8_t *ref= c->ref[block][0] + (mx4>>1) + (my4>>1)*stride;
781 67725183 Michael Niedermayer
                dxy = ((my4 & 1) << 1) | (mx4 & 1);
782
783
                if(s->no_rounding)
784 bb198e19 Michael Niedermayer
                    s->dsp.put_no_rnd_pixels_tab[1][dxy](dest_y    , ref    , stride, h);
785 67725183 Michael Niedermayer
                else
786 bb198e19 Michael Niedermayer
                    s->dsp.put_pixels_tab       [1][dxy](dest_y    , ref    , stride, h);
787 67725183 Michael Niedermayer
            }
788 af4091f1 Michael Niedermayer
            dmin_sum+= (mv_penalty[mx4-pred_x4] + mv_penalty[my4-pred_y4])*c->mb_penalty_factor;
789 67725183 Michael Niedermayer
        }else
790
            dmin_sum+= dmin4;
791
792
        if(s->quarter_sample){
793
            mx4_sum+= mx4/2;
794
            my4_sum+= my4/2;
795
        }else{
796
            mx4_sum+= mx4;
797
            my4_sum+= my4;
798
        }
799
            
800 8d7ec294 Wolfgang Hesseler
        s->current_picture.motion_val[0][ s->block_index[block] ][0]= mx4;
801
        s->current_picture.motion_val[0][ s->block_index[block] ][1]= my4;
802 ca7d05d5 Michael Niedermayer
803
        if(mx4 != mx || my4 != my) same=0;
804 0d21a846 Michael Niedermayer
    }
805 67725183 Michael Niedermayer
    
806 ca7d05d5 Michael Niedermayer
    if(same)
807
        return INT_MAX;
808
    
809 cb009a8c Michael Niedermayer
    if(s->dsp.me_sub_cmp[0] != s->dsp.mb_cmp[0]){
810 af4091f1 Michael Niedermayer
        dmin_sum += s->dsp.mb_cmp[0](s, s->new_picture.data[0] + s->mb_x*16 + s->mb_y*16*stride, c->scratchpad, stride, 16);
811 67725183 Michael Niedermayer
    }
812
    
813 1f202b0d Michael Niedermayer
    if(c->avctx->mb_cmp&FF_CMP_CHROMA){
814 67725183 Michael Niedermayer
        int dxy;
815
        int mx, my;
816
        int offset;
817
818
        mx= ff_h263_round_chroma(mx4_sum);
819
        my= ff_h263_round_chroma(my4_sum);
820
        dxy = ((my & 1) << 1) | (mx & 1);
821
        
822
        offset= (s->mb_x*8 + (mx>>1)) + (s->mb_y*8 + (my>>1))*s->uvlinesize;
823
       
824
        if(s->no_rounding){
825 af4091f1 Michael Niedermayer
            s->dsp.put_no_rnd_pixels_tab[1][dxy](c->scratchpad    , s->last_picture.data[1] + offset, s->uvlinesize, 8);
826
            s->dsp.put_no_rnd_pixels_tab[1][dxy](c->scratchpad+8  , s->last_picture.data[2] + offset, s->uvlinesize, 8);
827 67725183 Michael Niedermayer
        }else{
828 af4091f1 Michael Niedermayer
            s->dsp.put_pixels_tab       [1][dxy](c->scratchpad    , s->last_picture.data[1] + offset, s->uvlinesize, 8);
829
            s->dsp.put_pixels_tab       [1][dxy](c->scratchpad+8  , s->last_picture.data[2] + offset, s->uvlinesize, 8);
830 67725183 Michael Niedermayer
        }
831
832 af4091f1 Michael Niedermayer
        dmin_sum += s->dsp.mb_cmp[1](s, s->new_picture.data[1] + s->mb_x*8 + s->mb_y*8*s->uvlinesize, c->scratchpad  , s->uvlinesize, 8);
833
        dmin_sum += s->dsp.mb_cmp[1](s, s->new_picture.data[2] + s->mb_x*8 + s->mb_y*8*s->uvlinesize, c->scratchpad+8, s->uvlinesize, 8);
834 67725183 Michael Niedermayer
    }
835 2750b827 Michael Niedermayer
    
836 af4091f1 Michael Niedermayer
    c->pred_x= mx;
837
    c->pred_y= my;
838 67725183 Michael Niedermayer
839 1f202b0d Michael Niedermayer
    switch(c->avctx->mb_cmp&0xFF){
840 67725183 Michael Niedermayer
    /*case FF_CMP_SSE:
841
        return dmin_sum+ 32*s->qscale*s->qscale;*/
842
    case FF_CMP_RD:
843
        return dmin_sum;
844
    default:
845 af4091f1 Michael Niedermayer
        return dmin_sum+ 11*c->mb_penalty_factor;
846 67725183 Michael Niedermayer
    }
847 0d21a846 Michael Niedermayer
}
848
849 9964df63 Michael Niedermayer
static inline void init_interlaced_ref(MpegEncContext *s, int ref_index){
850
    MotionEstContext * const c= &s->me;
851
852
    c->ref[1+ref_index][0] = c->ref[0+ref_index][0] + s->linesize;
853
    c->src[1][0] = c->src[0][0] + s->linesize;
854
    if(c->flags & FLAG_CHROMA){
855
        c->ref[1+ref_index][1] = c->ref[0+ref_index][1] + s->uvlinesize;
856
        c->ref[1+ref_index][2] = c->ref[0+ref_index][2] + s->uvlinesize;
857
        c->src[1][1] = c->src[0][1] + s->uvlinesize;
858
        c->src[1][2] = c->src[0][2] + s->uvlinesize;
859
    }
860
}
861
862 2750b827 Michael Niedermayer
static int interlaced_search(MpegEncContext *s, int ref_index, 
863 f20f8a8b Michael Niedermayer
                             int16_t (*mv_tables[2][2])[2], uint8_t *field_select_tables[2], int mx, int my, int user_field_select)
864 bb198e19 Michael Niedermayer
{
865 2750b827 Michael Niedermayer
    MotionEstContext * const c= &s->me;
866 bb198e19 Michael Niedermayer
    const int size=0;
867
    const int h=8;
868
    int block;
869
    int P[10][2];
870 2750b827 Michael Niedermayer
    uint8_t * const mv_penalty= c->current_mv_penalty;
871 bb198e19 Michael Niedermayer
    int same=1;
872
    const int stride= 2*s->linesize;
873
    const int uvstride= 2*s->uvlinesize;
874
    int dmin_sum= 0;
875
    const int mot_stride= s->mb_stride;
876
    const int xy= s->mb_x + s->mb_y*mot_stride;
877
    
878 2750b827 Michael Niedermayer
    c->ymin>>=1;
879
    c->ymax>>=1;
880
    c->stride<<=1;
881
    c->uvstride<<=1;
882 9964df63 Michael Niedermayer
    init_interlaced_ref(s, ref_index);
883 bb198e19 Michael Niedermayer
    
884
    for(block=0; block<2; block++){
885
        int field_select;
886
        int best_dmin= INT_MAX;
887
        int best_field= -1;
888
889
        for(field_select=0; field_select<2; field_select++){
890 2750b827 Michael Niedermayer
            int dmin, mx_i, my_i;
891 bb198e19 Michael Niedermayer
            int16_t (*mv_table)[2]= mv_tables[block][field_select];
892
            
893 f20f8a8b Michael Niedermayer
            if(user_field_select){
894
                if(field_select_tables[block][xy] != field_select)
895
                    continue;
896
            }
897
            
898 bb198e19 Michael Niedermayer
            P_LEFT[0] = mv_table[xy - 1][0];
899
            P_LEFT[1] = mv_table[xy - 1][1];
900 2750b827 Michael Niedermayer
            if(P_LEFT[0]       > (c->xmax<<1)) P_LEFT[0]       = (c->xmax<<1);
901 bb198e19 Michael Niedermayer
            
902 af4091f1 Michael Niedermayer
            c->pred_x= P_LEFT[0];
903
            c->pred_y= P_LEFT[1];
904 bb198e19 Michael Niedermayer
            
905 9c3d33d6 Michael Niedermayer
            if(!s->first_slice_line){
906 bb198e19 Michael Niedermayer
                P_TOP[0]      = mv_table[xy - mot_stride][0];
907
                P_TOP[1]      = mv_table[xy - mot_stride][1];
908
                P_TOPRIGHT[0] = mv_table[xy - mot_stride + 1][0];
909
                P_TOPRIGHT[1] = mv_table[xy - mot_stride + 1][1];
910 2750b827 Michael Niedermayer
                if(P_TOP[1]      > (c->ymax<<1)) P_TOP[1]     = (c->ymax<<1);
911
                if(P_TOPRIGHT[0] < (c->xmin<<1)) P_TOPRIGHT[0]= (c->xmin<<1);
912
                if(P_TOPRIGHT[0] > (c->xmax<<1)) P_TOPRIGHT[0]= (c->xmax<<1);
913
                if(P_TOPRIGHT[1] > (c->ymax<<1)) P_TOPRIGHT[1]= (c->ymax<<1);
914 bb198e19 Michael Niedermayer
    
915
                P_MEDIAN[0]= mid_pred(P_LEFT[0], P_TOP[0], P_TOPRIGHT[0]);
916
                P_MEDIAN[1]= mid_pred(P_LEFT[1], P_TOP[1], P_TOPRIGHT[1]);
917
            }
918
            P_MV1[0]= mx; //FIXME not correct if block != field_select
919
            P_MV1[1]= my / 2;
920
            
921 2750b827 Michael Niedermayer
            dmin = epzs_motion_search2(s, &mx_i, &my_i, P, block, field_select+ref_index, mv_table, (1<<16)>>1);
922 bb198e19 Michael Niedermayer
923 2750b827 Michael Niedermayer
            dmin= c->sub_motion_search(s, &mx_i, &my_i, dmin, block, field_select+ref_index, size, h);
924 bb198e19 Michael Niedermayer
            
925
            mv_table[xy][0]= mx_i;
926
            mv_table[xy][1]= my_i;
927
            
928 2750b827 Michael Niedermayer
            if(s->dsp.me_sub_cmp[0] != s->dsp.mb_cmp[0]){
929 bb198e19 Michael Niedermayer
                int dxy;
930
931
                //FIXME chroma ME
932 2750b827 Michael Niedermayer
                uint8_t *ref= c->ref[field_select+ref_index][0] + (mx_i>>1) + (my_i>>1)*stride;
933 bb198e19 Michael Niedermayer
                dxy = ((my_i & 1) << 1) | (mx_i & 1);
934
935
                if(s->no_rounding){
936 2750b827 Michael Niedermayer
                    s->dsp.put_no_rnd_pixels_tab[size][dxy](c->scratchpad, ref    , stride, h);
937 bb198e19 Michael Niedermayer
                }else{
938 2750b827 Michael Niedermayer
                    s->dsp.put_pixels_tab       [size][dxy](c->scratchpad, ref    , stride, h);
939 bb198e19 Michael Niedermayer
                }
940 2750b827 Michael Niedermayer
                dmin= s->dsp.mb_cmp[size](s, c->src[block][0], c->scratchpad, stride, h);
941 af4091f1 Michael Niedermayer
                dmin+= (mv_penalty[mx_i-c->pred_x] + mv_penalty[my_i-c->pred_y] + 1)*c->mb_penalty_factor;
942 bb198e19 Michael Niedermayer
            }else
943 2750b827 Michael Niedermayer
                dmin+= c->mb_penalty_factor; //field_select bits
944 bb198e19 Michael Niedermayer
                
945
            dmin += field_select != block; //slightly prefer same field
946
            
947
            if(dmin < best_dmin){
948
                best_dmin= dmin;
949
                best_field= field_select;
950
            }
951
        }
952
        {
953
            int16_t (*mv_table)[2]= mv_tables[block][best_field];
954
955
            if(mv_table[xy][0] != mx) same=0; //FIXME check if these checks work and are any good at all
956
            if(mv_table[xy][1]&1) same=0;
957
            if(mv_table[xy][1]*2 != my) same=0; 
958
            if(best_field != block) same=0;
959
        }
960
961
        field_select_tables[block][xy]= best_field;
962
        dmin_sum += best_dmin;
963
    }
964
    
965 2750b827 Michael Niedermayer
    c->ymin<<=1;
966
    c->ymax<<=1;
967
    c->stride>>=1;
968
    c->uvstride>>=1;
969 bb198e19 Michael Niedermayer
970
    if(same)
971
        return INT_MAX;
972
    
973 1f202b0d Michael Niedermayer
    switch(c->avctx->mb_cmp&0xFF){
974 bb198e19 Michael Niedermayer
    /*case FF_CMP_SSE:
975
        return dmin_sum+ 32*s->qscale*s->qscale;*/
976
    case FF_CMP_RD:
977
        return dmin_sum;
978
    default:
979 2750b827 Michael Niedermayer
        return dmin_sum+ 11*c->mb_penalty_factor;
980 bb198e19 Michael Niedermayer
    }
981
}
982
983 f4f3223f Michael Niedermayer
static inline int check_input_motion(MpegEncContext * s, int mb_x, int mb_y, int p_type){
984
    MotionEstContext * const c= &s->me;
985
    Picture *p= s->current_picture_ptr;
986
    int mb_xy= mb_x + mb_y*s->mb_stride;
987
    int xy= 2*mb_x + 2*mb_y*s->b8_stride;
988
    int mb_type= s->current_picture.mb_type[mb_xy];
989
    int flags= c->flags;
990
    int shift= (flags&FLAG_QPEL) + 1;
991
    int mask= (1<<shift)-1;
992 9964df63 Michael Niedermayer
    int x, y, i;
993 f4f3223f Michael Niedermayer
    int d=0;
994
    me_cmp_func cmpf= s->dsp.sse[0];
995
    me_cmp_func chroma_cmpf= s->dsp.sse[1];
996
    
997
    assert(p_type==0 || !USES_LIST(mb_type, 1));
998
    assert(IS_INTRA(mb_type) || USES_LIST(mb_type,0) || USES_LIST(mb_type,1));
999
    
1000
    if(IS_INTERLACED(mb_type)){
1001
        int xy2= xy  + s->b8_stride;
1002
        s->mb_type[mb_xy]=CANDIDATE_MB_TYPE_INTRA;
1003
        c->stride<<=1;
1004
        c->uvstride<<=1;
1005 aacc6615 Michael Niedermayer
        
1006 1545acea Michael Niedermayer
        if(!(s->flags & CODEC_FLAG_INTERLACED_ME)){
1007 1f202b0d Michael Niedermayer
            av_log(c->avctx, AV_LOG_ERROR, "Interlaced macroblock selected but interlaced motion estimation disabled\n");
1008 1545acea Michael Niedermayer
            return -1;
1009
        }
1010 9964df63 Michael Niedermayer
1011 f4f3223f Michael Niedermayer
        if(USES_LIST(mb_type, 0)){
1012
            int field_select0= p->ref_index[0][xy ];
1013
            int field_select1= p->ref_index[0][xy2];
1014
            assert(field_select0==0 ||field_select0==1);
1015
            assert(field_select1==0 ||field_select1==1);
1016 f20f8a8b Michael Niedermayer
            init_interlaced_ref(s, 0);
1017
1018 f4f3223f Michael Niedermayer
            if(p_type){
1019
                s->p_field_select_table[0][mb_xy]= field_select0;
1020
                s->p_field_select_table[1][mb_xy]= field_select1;
1021
                *(uint32_t*)s->p_field_mv_table[0][field_select0][mb_xy]= *(uint32_t*)p->motion_val[0][xy ];
1022
                *(uint32_t*)s->p_field_mv_table[1][field_select1][mb_xy]= *(uint32_t*)p->motion_val[0][xy2];
1023
                s->mb_type[mb_xy]=CANDIDATE_MB_TYPE_INTER_I;
1024
            }else{
1025
                s->b_field_select_table[0][0][mb_xy]= field_select0;
1026
                s->b_field_select_table[0][1][mb_xy]= field_select1;
1027
                *(uint32_t*)s->b_field_mv_table[0][0][field_select0][mb_xy]= *(uint32_t*)p->motion_val[0][xy ];
1028
                *(uint32_t*)s->b_field_mv_table[0][1][field_select1][mb_xy]= *(uint32_t*)p->motion_val[0][xy2];
1029
                s->mb_type[mb_xy]= CANDIDATE_MB_TYPE_FORWARD_I;
1030
            }
1031
1032
            x= p->motion_val[0][xy ][0]; 
1033
            y= p->motion_val[0][xy ][1];
1034
            d = cmp(s, x>>shift, y>>shift, x&mask, y&mask, 0, 8, field_select0, 0, cmpf, chroma_cmpf, flags);
1035
            x= p->motion_val[0][xy2][0]; 
1036
            y= p->motion_val[0][xy2][1];
1037
            d+= cmp(s, x>>shift, y>>shift, x&mask, y&mask, 0, 8, field_select1, 1, cmpf, chroma_cmpf, flags);
1038
        }
1039
        if(USES_LIST(mb_type, 1)){
1040
            int field_select0= p->ref_index[1][xy ];
1041
            int field_select1= p->ref_index[1][xy2];
1042
            assert(field_select0==0 ||field_select0==1);
1043
            assert(field_select1==0 ||field_select1==1);
1044 f20f8a8b Michael Niedermayer
            init_interlaced_ref(s, 2);
1045
1046 f4f3223f Michael Niedermayer
            s->b_field_select_table[1][0][mb_xy]= field_select0;
1047
            s->b_field_select_table[1][1][mb_xy]= field_select1;
1048
            *(uint32_t*)s->b_field_mv_table[1][0][field_select0][mb_xy]= *(uint32_t*)p->motion_val[1][xy ];
1049
            *(uint32_t*)s->b_field_mv_table[1][1][field_select1][mb_xy]= *(uint32_t*)p->motion_val[1][xy2];
1050
            if(USES_LIST(mb_type, 0)){
1051
                s->mb_type[mb_xy]= CANDIDATE_MB_TYPE_BIDIR_I;
1052
            }else{
1053
                s->mb_type[mb_xy]= CANDIDATE_MB_TYPE_BACKWARD_I;
1054
            }
1055
1056
            x= p->motion_val[1][xy ][0]; 
1057
            y= p->motion_val[1][xy ][1];
1058
            d = cmp(s, x>>shift, y>>shift, x&mask, y&mask, 0, 8, field_select0+2, 0, cmpf, chroma_cmpf, flags);
1059
            x= p->motion_val[1][xy2][0]; 
1060
            y= p->motion_val[1][xy2][1];
1061
            d+= cmp(s, x>>shift, y>>shift, x&mask, y&mask, 0, 8, field_select1+2, 1, cmpf, chroma_cmpf, flags);
1062
            //FIXME bidir scores
1063
        }
1064
        c->stride>>=1;
1065
        c->uvstride>>=1;
1066 9964df63 Michael Niedermayer
    }else if(IS_8X8(mb_type)){
1067 1545acea Michael Niedermayer
        if(!(s->flags & CODEC_FLAG_4MV)){
1068 1f202b0d Michael Niedermayer
            av_log(c->avctx, AV_LOG_ERROR, "4MV macroblock selected but 4MV encoding disabled\n");
1069 1545acea Michael Niedermayer
            return -1;
1070
        }
1071 9964df63 Michael Niedermayer
        cmpf= s->dsp.sse[1];
1072
        chroma_cmpf= s->dsp.sse[1];
1073 1f202b0d Michael Niedermayer
        init_mv4_ref(c);
1074 9964df63 Michael Niedermayer
        for(i=0; i<4; i++){
1075
            xy= s->block_index[i];
1076
            x= p->motion_val[0][xy][0]; 
1077
            y= p->motion_val[0][xy][1];
1078
            d+= cmp(s, x>>shift, y>>shift, x&mask, y&mask, 1, 8, i, i, cmpf, chroma_cmpf, flags);
1079
        }
1080
        s->mb_type[mb_xy]=CANDIDATE_MB_TYPE_INTER4V;
1081 f4f3223f Michael Niedermayer
    }else{
1082
        if(USES_LIST(mb_type, 0)){
1083
            if(p_type){
1084
                *(uint32_t*)s->p_mv_table[mb_xy]= *(uint32_t*)p->motion_val[0][xy];
1085
                s->mb_type[mb_xy]=CANDIDATE_MB_TYPE_INTER;
1086
            }else if(USES_LIST(mb_type, 1)){
1087
                *(uint32_t*)s->b_bidir_forw_mv_table[mb_xy]= *(uint32_t*)p->motion_val[0][xy];
1088
                *(uint32_t*)s->b_bidir_back_mv_table[mb_xy]= *(uint32_t*)p->motion_val[1][xy];
1089
                s->mb_type[mb_xy]=CANDIDATE_MB_TYPE_BIDIR;
1090
            }else{
1091
                *(uint32_t*)s->b_forw_mv_table[mb_xy]= *(uint32_t*)p->motion_val[0][xy];
1092
                s->mb_type[mb_xy]=CANDIDATE_MB_TYPE_FORWARD;
1093
            }
1094
            x= p->motion_val[0][xy][0]; 
1095
            y= p->motion_val[0][xy][1];
1096
            d = cmp(s, x>>shift, y>>shift, x&mask, y&mask, 0, 16, 0, 0, cmpf, chroma_cmpf, flags);
1097
        }else if(USES_LIST(mb_type, 1)){
1098
            *(uint32_t*)s->b_back_mv_table[mb_xy]= *(uint32_t*)p->motion_val[1][xy];
1099
            s->mb_type[mb_xy]=CANDIDATE_MB_TYPE_BACKWARD;
1100
           
1101
            x= p->motion_val[1][xy][0]; 
1102
            y= p->motion_val[1][xy][1];
1103
            d = cmp(s, x>>shift, y>>shift, x&mask, y&mask, 0, 16, 2, 0, cmpf, chroma_cmpf, flags);
1104
        }else
1105
            s->mb_type[mb_xy]=CANDIDATE_MB_TYPE_INTRA;
1106
    }
1107
    return d;
1108
}
1109
1110 9dbcbd92 Michael Niedermayer
void ff_estimate_p_frame_motion(MpegEncContext * s,
1111
                                int mb_x, int mb_y)
1112
{
1113 2750b827 Michael Niedermayer
    MotionEstContext * const c= &s->me;
1114 0c1a9eda Zdenek Kabelac
    uint8_t *pix, *ppix;
1115 f20f8a8b Michael Niedermayer
    int sum, varc, vard, mx, my, dmin;
1116 0d21a846 Michael Niedermayer
    int P[10][2];
1117 9dbcbd92 Michael Niedermayer
    const int shift= 1+s->quarter_sample;
1118
    int mb_type=0;
1119 1e491e29 Michael Niedermayer
    Picture * const pic= &s->current_picture;
1120 2750b827 Michael Niedermayer
    
1121 af4091f1 Michael Niedermayer
    init_ref(c, s->new_picture.data, s->last_picture.data, NULL, 16*mb_x, 16*mb_y, 0);
1122 bb198e19 Michael Niedermayer
1123 1457ab52 Michael Niedermayer
    assert(s->quarter_sample==0 || s->quarter_sample==1);
1124 af4091f1 Michael Niedermayer
    assert(s->linesize == c->stride);
1125
    assert(s->uvlinesize == c->uvstride);
1126 1457ab52 Michael Niedermayer
1127 1f202b0d Michael Niedermayer
    c->penalty_factor    = get_penalty_factor(s, c->avctx->me_cmp);
1128
    c->sub_penalty_factor= get_penalty_factor(s, c->avctx->me_sub_cmp);
1129
    c->mb_penalty_factor = get_penalty_factor(s, c->avctx->mb_cmp);
1130 af4091f1 Michael Niedermayer
    c->current_mv_penalty= c->mv_penalty[s->f_code] + MAX_MV;
1131 9dbcbd92 Michael Niedermayer
1132 bb198e19 Michael Niedermayer
    get_limits(s, 16*mb_x, 16*mb_y);
1133 af4091f1 Michael Niedermayer
    c->skip=0;
1134 9dbcbd92 Michael Niedermayer
1135 f20f8a8b Michael Niedermayer
    /* intra / predictive decision */
1136
    pix = c->src[0][0];
1137
    sum = s->dsp.pix_sum(pix, s->linesize);
1138
    varc = (s->dsp.pix_norm1(pix, s->linesize) - (((unsigned)(sum*sum))>>8) + 500 + 128)>>8;
1139
1140
    pic->mb_mean[s->mb_stride * mb_y + mb_x] = (sum+128)>>8;
1141
    pic->mb_var [s->mb_stride * mb_y + mb_x] = varc;
1142 1f202b0d Michael Niedermayer
    c->mb_var_sum_temp += varc;
1143 f20f8a8b Michael Niedermayer
1144 1f202b0d Michael Niedermayer
    if(c->avctx->me_threshold){
1145 f4f3223f Michael Niedermayer
        vard= (check_input_motion(s, mb_x, mb_y, 1)+128)>>8;
1146
        
1147 1f202b0d Michael Niedermayer
        if(vard<c->avctx->me_threshold){
1148 f4f3223f Michael Niedermayer
            pic->mc_mb_var[s->mb_stride * mb_y + mb_x] = vard;
1149 1f202b0d Michael Niedermayer
            c->mc_mb_var_sum_temp += vard;
1150 f4f3223f Michael Niedermayer
            if (vard <= 64 || vard < varc) { //FIXME
1151 1f202b0d Michael Niedermayer
                c->scene_change_score+= ff_sqrt(vard) - ff_sqrt(varc);
1152 f4f3223f Michael Niedermayer
            }else{
1153 1f202b0d Michael Niedermayer
                c->scene_change_score+= s->qscale;
1154 f4f3223f Michael Niedermayer
            }
1155
            return;
1156
        }
1157 1f202b0d Michael Niedermayer
        if(vard<c->avctx->mb_threshold)
1158 f20f8a8b Michael Niedermayer
            mb_type= s->mb_type[mb_x + mb_y*s->mb_stride];
1159 f4f3223f Michael Niedermayer
    }
1160
1161 e4986da9 Juanjo
    switch(s->me_method) {
1162 de6d9b64 Fabrice Bellard
    case ME_ZERO:
1163
    default:
1164
        no_motion_search(s, &mx, &my);
1165 0d21a846 Michael Niedermayer
        mx-= mb_x*16;
1166
        my-= mb_y*16;
1167 de6d9b64 Fabrice Bellard
        dmin = 0;
1168
        break;
1169 bb198e19 Michael Niedermayer
#if 0
1170 de6d9b64 Fabrice Bellard
    case ME_FULL:
1171 bb198e19 Michael Niedermayer
        dmin = full_motion_search(s, &mx, &my, range, ref_picture);
1172 0d21a846 Michael Niedermayer
        mx-= mb_x*16;
1173
        my-= mb_y*16;
1174 de6d9b64 Fabrice Bellard
        break;
1175
    case ME_LOG:
1176 bb198e19 Michael Niedermayer
        dmin = log_motion_search(s, &mx, &my, range / 2, ref_picture);
1177 0d21a846 Michael Niedermayer
        mx-= mb_x*16;
1178
        my-= mb_y*16;
1179 de6d9b64 Fabrice Bellard
        break;
1180
    case ME_PHODS:
1181 bb198e19 Michael Niedermayer
        dmin = phods_motion_search(s, &mx, &my, range / 2, ref_picture);
1182 0d21a846 Michael Niedermayer
        mx-= mb_x*16;
1183
        my-= mb_y*16;
1184 de6d9b64 Fabrice Bellard
        break;
1185 bb198e19 Michael Niedermayer
#endif
1186 174489bd Michael Niedermayer
    case ME_X1:
1187 45870f57 Michael Niedermayer
    case ME_EPZS:
1188 174489bd Michael Niedermayer
       {
1189 137c8468 Michael Niedermayer
            const int mot_stride = s->b8_stride;
1190 ba6802de Michael Niedermayer
            const int mot_xy = s->block_index[0];
1191 174489bd Michael Niedermayer
1192 8d7ec294 Wolfgang Hesseler
            P_LEFT[0]       = s->current_picture.motion_val[0][mot_xy - 1][0];
1193
            P_LEFT[1]       = s->current_picture.motion_val[0][mot_xy - 1][1];
1194 174489bd Michael Niedermayer
1195 af4091f1 Michael Niedermayer
            if(P_LEFT[0]       > (c->xmax<<shift)) P_LEFT[0]       = (c->xmax<<shift);
1196 c5b1c10a Michael Niedermayer
1197 9c3d33d6 Michael Niedermayer
            if(!s->first_slice_line) {
1198 8d7ec294 Wolfgang Hesseler
                P_TOP[0]      = s->current_picture.motion_val[0][mot_xy - mot_stride    ][0];
1199
                P_TOP[1]      = s->current_picture.motion_val[0][mot_xy - mot_stride    ][1];
1200
                P_TOPRIGHT[0] = s->current_picture.motion_val[0][mot_xy - mot_stride + 2][0];
1201
                P_TOPRIGHT[1] = s->current_picture.motion_val[0][mot_xy - mot_stride + 2][1];
1202 af4091f1 Michael Niedermayer
                if(P_TOP[1]      > (c->ymax<<shift)) P_TOP[1]     = (c->ymax<<shift);
1203
                if(P_TOPRIGHT[0] < (c->xmin<<shift)) P_TOPRIGHT[0]= (c->xmin<<shift);
1204
                if(P_TOPRIGHT[1] > (c->ymax<<shift)) P_TOPRIGHT[1]= (c->ymax<<shift);
1205 c5b1c10a Michael Niedermayer
        
1206 0d21a846 Michael Niedermayer
                P_MEDIAN[0]= mid_pred(P_LEFT[0], P_TOP[0], P_TOPRIGHT[0]);
1207
                P_MEDIAN[1]= mid_pred(P_LEFT[1], P_TOP[1], P_TOPRIGHT[1]);
1208
1209
                if(s->out_format == FMT_H263){
1210 2750b827 Michael Niedermayer
                    c->pred_x = P_MEDIAN[0];
1211
                    c->pred_y = P_MEDIAN[1];
1212 0d21a846 Michael Niedermayer
                }else { /* mpeg1 at least */
1213 2750b827 Michael Niedermayer
                    c->pred_x= P_LEFT[0];
1214
                    c->pred_y= P_LEFT[1];
1215 0d21a846 Michael Niedermayer
                }
1216 f931ff7b Michael Niedermayer
            }else{
1217 2750b827 Michael Niedermayer
                c->pred_x= P_LEFT[0];
1218
                c->pred_y= P_LEFT[1];
1219 174489bd Michael Niedermayer
            }
1220 f931ff7b Michael Niedermayer
1221 c5b1c10a Michael Niedermayer
        }
1222 2750b827 Michael Niedermayer
        dmin = epzs_motion_search(s, &mx, &my, P, 0, 0, s->p_mv_table, (1<<16)>>shift);       
1223
1224 45870f57 Michael Niedermayer
        break;
1225 de6d9b64 Fabrice Bellard
    }
1226
1227 0d21a846 Michael Niedermayer
    /* At this point (mx,my) are full-pell and the relative displacement */
1228 2750b827 Michael Niedermayer
    ppix = c->ref[0][0] + (my * s->linesize) + mx;
1229 f20f8a8b Michael Niedermayer
        
1230 bb198e19 Michael Niedermayer
    vard = (s->dsp.sse[0](NULL, pix, ppix, s->linesize, 16)+128)>>8;
1231 1fb4890b Michael Niedermayer
1232 7bc9090a Michael Niedermayer
    pic->mc_mb_var[s->mb_stride * mb_y + mb_x] = vard;
1233
//    pic->mb_cmp_score[s->mb_stride * mb_y + mb_x] = dmin; 
1234 1f202b0d Michael Niedermayer
    c->mc_mb_var_sum_temp += vard;
1235 e4986da9 Juanjo
    
1236 de6d9b64 Fabrice Bellard
#if 0
1237 e03c341e Juanjo
    printf("varc=%4d avg_var=%4d (sum=%4d) vard=%4d mx=%2d my=%2d\n",
1238
           varc, s->avg_mb_var, sum, vard, mx - xx, my - yy);
1239 de6d9b64 Fabrice Bellard
#endif
1240 f20f8a8b Michael Niedermayer
    if(mb_type){
1241
        if (vard <= 64 || vard < varc)
1242 1f202b0d Michael Niedermayer
            c->scene_change_score+= ff_sqrt(vard) - ff_sqrt(varc);
1243 f20f8a8b Michael Niedermayer
        else
1244 1f202b0d Michael Niedermayer
            c->scene_change_score+= s->qscale;
1245 f20f8a8b Michael Niedermayer
1246
        if(mb_type == CANDIDATE_MB_TYPE_INTER){
1247 af4091f1 Michael Niedermayer
            c->sub_motion_search(s, &mx, &my, dmin, 0, 0, 0, 16);
1248 f20f8a8b Michael Niedermayer
            set_p_mv_tables(s, mx, my, 1);
1249
        }else{
1250
            mx <<=shift;
1251
            my <<=shift;
1252
        }
1253
        if(mb_type == CANDIDATE_MB_TYPE_INTER4V){
1254
            h263_mv4_search(s, mx, my, shift);
1255
1256
            set_p_mv_tables(s, mx, my, 0);
1257
        }
1258
        if(mb_type == CANDIDATE_MB_TYPE_INTER_I){
1259
            interlaced_search(s, 0, s->p_field_mv_table, s->p_field_select_table, mx, my, 1);
1260
        }
1261 1f202b0d Michael Niedermayer
    }else if(c->avctx->mb_decision > FF_MB_DECISION_SIMPLE){
1262 1fb4890b Michael Niedermayer
        if (vard <= 64 || vard < varc)
1263 1f202b0d Michael Niedermayer
            c->scene_change_score+= ff_sqrt(vard) - ff_sqrt(varc);
1264 1fb4890b Michael Niedermayer
        else
1265 1f202b0d Michael Niedermayer
            c->scene_change_score+= s->qscale;
1266 1fb4890b Michael Niedermayer
1267 ba6802de Michael Niedermayer
        if (vard*2 + 200 > varc)
1268 bb198e19 Michael Niedermayer
            mb_type|= CANDIDATE_MB_TYPE_INTRA;
1269 ba6802de Michael Niedermayer
        if (varc*2 + 200 > vard){
1270 bb198e19 Michael Niedermayer
            mb_type|= CANDIDATE_MB_TYPE_INTER;
1271 af4091f1 Michael Niedermayer
            c->sub_motion_search(s, &mx, &my, dmin, 0, 0, 0, 16);
1272 ca7d05d5 Michael Niedermayer
            if(s->flags&CODEC_FLAG_MV0)
1273
                if(mx || my)
1274 bb198e19 Michael Niedermayer
                    mb_type |= CANDIDATE_MB_TYPE_SKIPED; //FIXME check difference
1275 c60cf138 Michael Niedermayer
        }else{
1276 1457ab52 Michael Niedermayer
            mx <<=shift;
1277
            my <<=shift;
1278 de6d9b64 Fabrice Bellard
        }
1279 0d21a846 Michael Niedermayer
        if((s->flags&CODEC_FLAG_4MV)
1280 af4091f1 Michael Niedermayer
           && !c->skip && varc>50 && vard>10){
1281 bb198e19 Michael Niedermayer
            if(h263_mv4_search(s, mx, my, shift) < INT_MAX)
1282
                mb_type|=CANDIDATE_MB_TYPE_INTER4V;
1283 0d21a846 Michael Niedermayer
1284
            set_p_mv_tables(s, mx, my, 0);
1285
        }else
1286
            set_p_mv_tables(s, mx, my, 1);
1287 bb198e19 Michael Niedermayer
        if((s->flags&CODEC_FLAG_INTERLACED_ME)
1288 af4091f1 Michael Niedermayer
           && !c->skip){ //FIXME varc/d checks
1289 f20f8a8b Michael Niedermayer
            if(interlaced_search(s, 0, s->p_field_mv_table, s->p_field_select_table, mx, my, 0) < INT_MAX)
1290 bb198e19 Michael Niedermayer
                mb_type |= CANDIDATE_MB_TYPE_INTER_I;
1291
        }
1292 ba6802de Michael Niedermayer
    }else{
1293 f7190f73 Michael Niedermayer
        int intra_score, i;
1294 bb198e19 Michael Niedermayer
        mb_type= CANDIDATE_MB_TYPE_INTER;
1295 0d21a846 Michael Niedermayer
1296 af4091f1 Michael Niedermayer
        dmin= c->sub_motion_search(s, &mx, &my, dmin, 0, 0, 0, 16);
1297 1f202b0d Michael Niedermayer
        if(c->avctx->me_sub_cmp != c->avctx->mb_cmp && !c->skip)
1298 2750b827 Michael Niedermayer
            dmin= get_mb_score(s, mx, my, 0, 0);
1299 67725183 Michael Niedermayer
1300
        if((s->flags&CODEC_FLAG_4MV)
1301 af4091f1 Michael Niedermayer
           && !c->skip && varc>50 && vard>10){
1302 bb198e19 Michael Niedermayer
            int dmin4= h263_mv4_search(s, mx, my, shift);
1303 67725183 Michael Niedermayer
            if(dmin4 < dmin){
1304 bb198e19 Michael Niedermayer
                mb_type= CANDIDATE_MB_TYPE_INTER4V;
1305 67725183 Michael Niedermayer
                dmin=dmin4;
1306 e4986da9 Juanjo
            }
1307 67725183 Michael Niedermayer
        }
1308 bb198e19 Michael Niedermayer
        if((s->flags&CODEC_FLAG_INTERLACED_ME)
1309 af4091f1 Michael Niedermayer
           && !c->skip){ //FIXME varc/d checks
1310 f20f8a8b Michael Niedermayer
            int dmin_i= interlaced_search(s, 0, s->p_field_mv_table, s->p_field_select_table, mx, my, 0);
1311 bb198e19 Michael Niedermayer
            if(dmin_i < dmin){
1312
                mb_type = CANDIDATE_MB_TYPE_INTER_I;
1313
                dmin= dmin_i;
1314
            }
1315
        }
1316 f7190f73 Michael Niedermayer
                
1317
//        pic->mb_cmp_score[s->mb_stride * mb_y + mb_x] = dmin; 
1318 bb198e19 Michael Niedermayer
        set_p_mv_tables(s, mx, my, mb_type!=CANDIDATE_MB_TYPE_INTER4V);
1319 f7190f73 Michael Niedermayer
1320
        /* get intra luma score */
1321 1f202b0d Michael Niedermayer
        if((c->avctx->mb_cmp&0xFF)==FF_CMP_SSE){
1322 f7190f73 Michael Niedermayer
            intra_score= (varc<<8) - 500; //FIXME dont scale it down so we dont have to fix it
1323
        }else{
1324
            int mean= (sum+128)>>8;
1325
            mean*= 0x01010101;
1326
            
1327
            for(i=0; i<16; i++){
1328 af4091f1 Michael Niedermayer
                *(uint32_t*)(&c->scratchpad[i*s->linesize+ 0]) = mean;
1329
                *(uint32_t*)(&c->scratchpad[i*s->linesize+ 4]) = mean;
1330
                *(uint32_t*)(&c->scratchpad[i*s->linesize+ 8]) = mean;
1331
                *(uint32_t*)(&c->scratchpad[i*s->linesize+12]) = mean;
1332 f7190f73 Michael Niedermayer
            }
1333
1334 af4091f1 Michael Niedermayer
            intra_score= s->dsp.mb_cmp[0](s, c->scratchpad, pix, s->linesize, 16);
1335 f7190f73 Michael Niedermayer
        }
1336
#if 0 //FIXME
1337
        /* get chroma score */
1338 1f202b0d Michael Niedermayer
        if(c->avctx->mb_cmp&FF_CMP_CHROMA){
1339 f7190f73 Michael Niedermayer
            for(i=1; i<3; i++){
1340
                uint8_t *dest_c;
1341
                int mean;
1342
                
1343
                if(s->out_format == FMT_H263){
1344 137c8468 Michael Niedermayer
                    mean= (s->dc_val[i][mb_x + mb_y*s->b8_stride] + 4)>>3; //FIXME not exact but simple ;)
1345 f7190f73 Michael Niedermayer
                }else{
1346
                    mean= (s->last_dc[i] + 4)>>3;
1347
                }
1348
                dest_c = s->new_picture.data[i] + (mb_y * 8  * (s->uvlinesize)) + mb_x * 8;
1349
                
1350
                mean*= 0x01010101;
1351
                for(i=0; i<8; i++){
1352 af4091f1 Michael Niedermayer
                    *(uint32_t*)(&c->scratchpad[i*s->uvlinesize+ 0]) = mean;
1353
                    *(uint32_t*)(&c->scratchpad[i*s->uvlinesize+ 4]) = mean;
1354 f7190f73 Michael Niedermayer
                }
1355
                
1356 af4091f1 Michael Niedermayer
                intra_score+= s->dsp.mb_cmp[1](s, c->scratchpad, dest_c, s->uvlinesize);
1357 f7190f73 Michael Niedermayer
            }                
1358
        }
1359
#endif
1360 af4091f1 Michael Niedermayer
        intra_score += c->mb_penalty_factor*16;
1361 f7190f73 Michael Niedermayer
        
1362
        if(intra_score < dmin){
1363 bb198e19 Michael Niedermayer
            mb_type= CANDIDATE_MB_TYPE_INTRA;
1364
            s->current_picture.mb_type[mb_y*s->mb_stride + mb_x]= CANDIDATE_MB_TYPE_INTRA; //FIXME cleanup
1365 f7190f73 Michael Niedermayer
        }else
1366
            s->current_picture.mb_type[mb_y*s->mb_stride + mb_x]= 0;
1367 67725183 Michael Niedermayer
        
1368 f7190f73 Michael Niedermayer
        if (vard <= 64 || vard < varc) { //FIXME
1369 1f202b0d Michael Niedermayer
            c->scene_change_score+= ff_sqrt(vard) - ff_sqrt(varc);
1370 ba6802de Michael Niedermayer
        }else{
1371 1f202b0d Michael Niedermayer
            c->scene_change_score+= s->qscale;
1372 ba6802de Michael Niedermayer
        }
1373 de6d9b64 Fabrice Bellard
    }
1374 ba6802de Michael Niedermayer
1375 7bc9090a Michael Niedermayer
    s->mb_type[mb_y*s->mb_stride + mb_x]= mb_type;
1376 9dbcbd92 Michael Niedermayer
}
1377
1378 f5fb6b34 Michael Niedermayer
int ff_pre_estimate_p_frame_motion(MpegEncContext * s,
1379
                                    int mb_x, int mb_y)
1380
{
1381 2750b827 Michael Niedermayer
    MotionEstContext * const c= &s->me;
1382 bb198e19 Michael Niedermayer
    int mx, my, dmin;
1383 f5fb6b34 Michael Niedermayer
    int P[10][2];
1384
    const int shift= 1+s->quarter_sample;
1385 7bc9090a Michael Niedermayer
    const int xy= mb_x + mb_y*s->mb_stride;
1386 af4091f1 Michael Niedermayer
    init_ref(c, s->new_picture.data, s->last_picture.data, NULL, 16*mb_x, 16*mb_y, 0);
1387 f5fb6b34 Michael Niedermayer
    
1388
    assert(s->quarter_sample==0 || s->quarter_sample==1);
1389
1390 1f202b0d Michael Niedermayer
    c->pre_penalty_factor    = get_penalty_factor(s, c->avctx->me_pre_cmp);
1391 af4091f1 Michael Niedermayer
    c->current_mv_penalty= c->mv_penalty[s->f_code] + MAX_MV;
1392 f5fb6b34 Michael Niedermayer
1393 bb198e19 Michael Niedermayer
    get_limits(s, 16*mb_x, 16*mb_y);
1394 af4091f1 Michael Niedermayer
    c->skip=0;
1395 f5fb6b34 Michael Niedermayer
1396
    P_LEFT[0]       = s->p_mv_table[xy + 1][0];
1397
    P_LEFT[1]       = s->p_mv_table[xy + 1][1];
1398
1399 af4091f1 Michael Niedermayer
    if(P_LEFT[0]       < (c->xmin<<shift)) P_LEFT[0]       = (c->xmin<<shift);
1400 f5fb6b34 Michael Niedermayer
1401
    /* special case for first line */
1402 9c3d33d6 Michael Niedermayer
    if (s->first_slice_line) {
1403 2750b827 Michael Niedermayer
        c->pred_x= P_LEFT[0];
1404
        c->pred_y= P_LEFT[1];
1405 f931ff7b Michael Niedermayer
        P_TOP[0]= P_TOPRIGHT[0]= P_MEDIAN[0]=
1406
        P_TOP[1]= P_TOPRIGHT[1]= P_MEDIAN[1]= 0; //FIXME 
1407 f5fb6b34 Michael Niedermayer
    } else {
1408 7bc9090a Michael Niedermayer
        P_TOP[0]      = s->p_mv_table[xy + s->mb_stride    ][0];
1409
        P_TOP[1]      = s->p_mv_table[xy + s->mb_stride    ][1];
1410
        P_TOPRIGHT[0] = s->p_mv_table[xy + s->mb_stride - 1][0];
1411
        P_TOPRIGHT[1] = s->p_mv_table[xy + s->mb_stride - 1][1];
1412 af4091f1 Michael Niedermayer
        if(P_TOP[1]      < (c->ymin<<shift)) P_TOP[1]     = (c->ymin<<shift);
1413
        if(P_TOPRIGHT[0] > (c->xmax<<shift)) P_TOPRIGHT[0]= (c->xmax<<shift);
1414
        if(P_TOPRIGHT[1] < (c->ymin<<shift)) P_TOPRIGHT[1]= (c->ymin<<shift);
1415 f5fb6b34 Michael Niedermayer
    
1416
        P_MEDIAN[0]= mid_pred(P_LEFT[0], P_TOP[0], P_TOPRIGHT[0]);
1417
        P_MEDIAN[1]= mid_pred(P_LEFT[1], P_TOP[1], P_TOPRIGHT[1]);
1418
1419 2750b827 Michael Niedermayer
        c->pred_x = P_MEDIAN[0];
1420
        c->pred_y = P_MEDIAN[1];
1421 f5fb6b34 Michael Niedermayer
    }
1422 2750b827 Michael Niedermayer
1423
    dmin = epzs_motion_search(s, &mx, &my, P, 0, 0, s->p_mv_table, (1<<16)>>shift);       
1424 f931ff7b Michael Niedermayer
1425 f5fb6b34 Michael Niedermayer
    s->p_mv_table[xy][0] = mx<<shift;
1426
    s->p_mv_table[xy][1] = my<<shift;
1427
    
1428
    return dmin;
1429
}
1430
1431 5c91a675 Zdenek Kabelac
static int ff_estimate_motion_b(MpegEncContext * s,
1432 2750b827 Michael Niedermayer
                       int mb_x, int mb_y, int16_t (*mv_table)[2], int ref_index, int f_code)
1433 9dbcbd92 Michael Niedermayer
{
1434 af4091f1 Michael Niedermayer
    MotionEstContext * const c= &s->me;
1435 bb198e19 Michael Niedermayer
    int mx, my, dmin;
1436 0d21a846 Michael Niedermayer
    int P[10][2];
1437 9dbcbd92 Michael Niedermayer
    const int shift= 1+s->quarter_sample;
1438 7bc9090a Michael Niedermayer
    const int mot_stride = s->mb_stride;
1439
    const int mot_xy = mb_y*mot_stride + mb_x;
1440 af4091f1 Michael Niedermayer
    uint8_t * const mv_penalty= c->mv_penalty[f_code] + MAX_MV;
1441 b07a5980 Michael Niedermayer
    int mv_scale;
1442 1457ab52 Michael Niedermayer
        
1443 1f202b0d Michael Niedermayer
    c->penalty_factor    = get_penalty_factor(s, c->avctx->me_cmp);
1444
    c->sub_penalty_factor= get_penalty_factor(s, c->avctx->me_sub_cmp);
1445
    c->mb_penalty_factor = get_penalty_factor(s, c->avctx->mb_cmp);
1446 af4091f1 Michael Niedermayer
    c->current_mv_penalty= mv_penalty;
1447 1457ab52 Michael Niedermayer
1448 bb198e19 Michael Niedermayer
    get_limits(s, 16*mb_x, 16*mb_y);
1449 9dbcbd92 Michael Niedermayer
1450
    switch(s->me_method) {
1451
    case ME_ZERO:
1452
    default:
1453
        no_motion_search(s, &mx, &my);
1454
        dmin = 0;
1455 0d21a846 Michael Niedermayer
        mx-= mb_x*16;
1456
        my-= mb_y*16;
1457 9dbcbd92 Michael Niedermayer
        break;
1458 bb198e19 Michael Niedermayer
#if 0
1459 9dbcbd92 Michael Niedermayer
    case ME_FULL:
1460 bb198e19 Michael Niedermayer
        dmin = full_motion_search(s, &mx, &my, range, ref_picture);
1461 0d21a846 Michael Niedermayer
        mx-= mb_x*16;
1462
        my-= mb_y*16;
1463 9dbcbd92 Michael Niedermayer
        break;
1464
    case ME_LOG:
1465 bb198e19 Michael Niedermayer
        dmin = log_motion_search(s, &mx, &my, range / 2, ref_picture);
1466 0d21a846 Michael Niedermayer
        mx-= mb_x*16;
1467
        my-= mb_y*16;
1468 9dbcbd92 Michael Niedermayer
        break;
1469
    case ME_PHODS:
1470 bb198e19 Michael Niedermayer
        dmin = phods_motion_search(s, &mx, &my, range / 2, ref_picture);
1471 0d21a846 Michael Niedermayer
        mx-= mb_x*16;
1472
        my-= mb_y*16;
1473 9dbcbd92 Michael Niedermayer
        break;
1474 bb198e19 Michael Niedermayer
#endif
1475 9dbcbd92 Michael Niedermayer
    case ME_X1:
1476
    case ME_EPZS:
1477
       {
1478 0d21a846 Michael Niedermayer
            P_LEFT[0]        = mv_table[mot_xy - 1][0];
1479
            P_LEFT[1]        = mv_table[mot_xy - 1][1];
1480 9dbcbd92 Michael Niedermayer
1481 af4091f1 Michael Niedermayer
            if(P_LEFT[0]       > (c->xmax<<shift)) P_LEFT[0]       = (c->xmax<<shift);
1482 9dbcbd92 Michael Niedermayer
1483
            /* special case for first line */
1484 9c3d33d6 Michael Niedermayer
            if (!s->first_slice_line) {
1485 0d21a846 Michael Niedermayer
                P_TOP[0] = mv_table[mot_xy - mot_stride             ][0];
1486
                P_TOP[1] = mv_table[mot_xy - mot_stride             ][1];
1487
                P_TOPRIGHT[0] = mv_table[mot_xy - mot_stride + 1         ][0];
1488
                P_TOPRIGHT[1] = mv_table[mot_xy - mot_stride + 1         ][1];
1489 af4091f1 Michael Niedermayer
                if(P_TOP[1] > (c->ymax<<shift)) P_TOP[1]= (c->ymax<<shift);
1490
                if(P_TOPRIGHT[0] < (c->xmin<<shift)) P_TOPRIGHT[0]= (c->xmin<<shift);
1491
                if(P_TOPRIGHT[1] > (c->ymax<<shift)) P_TOPRIGHT[1]= (c->ymax<<shift);
1492 9dbcbd92 Michael Niedermayer
        
1493 0d21a846 Michael Niedermayer
                P_MEDIAN[0]= mid_pred(P_LEFT[0], P_TOP[0], P_TOPRIGHT[0]);
1494
                P_MEDIAN[1]= mid_pred(P_LEFT[1], P_TOP[1], P_TOPRIGHT[1]);
1495 9dbcbd92 Michael Niedermayer
            }
1496 af4091f1 Michael Niedermayer
            c->pred_x= P_LEFT[0];
1497
            c->pred_y= P_LEFT[1];
1498 9dbcbd92 Michael Niedermayer
        }
1499 b07a5980 Michael Niedermayer
        
1500
        if(mv_table == s->b_forw_mv_table){
1501
            mv_scale= (s->pb_time<<16) / (s->pp_time<<shift);
1502
        }else{
1503
            mv_scale= ((s->pb_time - s->pp_time)<<16) / (s->pp_time<<shift);
1504
        }
1505
        
1506 2750b827 Michael Niedermayer
        dmin = epzs_motion_search(s, &mx, &my, P, 0, ref_index, s->p_mv_table, mv_scale);
1507 9dbcbd92 Michael Niedermayer
 
1508
        break;
1509
    }
1510
    
1511 af4091f1 Michael Niedermayer
    dmin= c->sub_motion_search(s, &mx, &my, dmin, 0, ref_index, 0, 16);
1512 67725183 Michael Niedermayer
                                   
1513 1f202b0d Michael Niedermayer
    if(c->avctx->me_sub_cmp != c->avctx->mb_cmp && !c->skip)
1514 2750b827 Michael Niedermayer
        dmin= get_mb_score(s, mx, my, 0, ref_index);
1515 67725183 Michael Niedermayer
1516 0d21a846 Michael Niedermayer
//printf("%d %d %d %d//", s->mb_x, s->mb_y, mx, my);
1517 9dbcbd92 Michael Niedermayer
//    s->mb_type[mb_y*s->mb_width + mb_x]= mb_type;
1518
    mv_table[mot_xy][0]= mx;
1519
    mv_table[mot_xy][1]= my;
1520 1457ab52 Michael Niedermayer
1521 91029be7 Michael Niedermayer
    return dmin;
1522 de6d9b64 Fabrice Bellard
}
1523
1524 2750b827 Michael Niedermayer
static inline int check_bidir_mv(MpegEncContext * s,
1525 91029be7 Michael Niedermayer
                   int motion_fx, int motion_fy,
1526
                   int motion_bx, int motion_by,
1527
                   int pred_fx, int pred_fy,
1528 bb198e19 Michael Niedermayer
                   int pred_bx, int pred_by,
1529
                   int size, int h)
1530 de6d9b64 Fabrice Bellard
{
1531 91029be7 Michael Niedermayer
    //FIXME optimize?
1532 1457ab52 Michael Niedermayer
    //FIXME better f_code prediction (max mv & distance)
1533 bb198e19 Michael Niedermayer
    //FIXME pointers
1534 2750b827 Michael Niedermayer
    MotionEstContext * const c= &s->me;
1535 af4091f1 Michael Niedermayer
    uint8_t * const mv_penalty= c->mv_penalty[s->f_code] + MAX_MV; // f_code of the prev frame
1536
    int stride= c->stride;
1537
    int uvstride= c->uvstride;
1538
    uint8_t *dest_y = c->scratchpad;
1539 91029be7 Michael Niedermayer
    uint8_t *ptr;
1540
    int dxy;
1541
    int src_x, src_y;
1542
    int fbmin;
1543 2750b827 Michael Niedermayer
    uint8_t **src_data= c->src[0];
1544
    uint8_t **ref_data= c->ref[0];
1545
    uint8_t **ref2_data= c->ref[2];
1546 91029be7 Michael Niedermayer
1547 1457ab52 Michael Niedermayer
    if(s->quarter_sample){
1548
        dxy = ((motion_fy & 3) << 2) | (motion_fx & 3);
1549 bb198e19 Michael Niedermayer
        src_x = motion_fx >> 2;
1550
        src_y = motion_fy >> 2;
1551 1457ab52 Michael Niedermayer
1552 bb198e19 Michael Niedermayer
        ptr = ref_data[0] + (src_y * stride) + src_x;
1553
        s->dsp.put_qpel_pixels_tab[0][dxy](dest_y    , ptr    , stride);
1554 1457ab52 Michael Niedermayer
1555
        dxy = ((motion_by & 3) << 2) | (motion_bx & 3);
1556 bb198e19 Michael Niedermayer
        src_x = motion_bx >> 2;
1557
        src_y = motion_by >> 2;
1558 1457ab52 Michael Niedermayer
    
1559 2750b827 Michael Niedermayer
        ptr = ref2_data[0] + (src_y * stride) + src_x;
1560 bb198e19 Michael Niedermayer
        s->dsp.avg_qpel_pixels_tab[size][dxy](dest_y    , ptr    , stride);
1561 1457ab52 Michael Niedermayer
    }else{
1562
        dxy = ((motion_fy & 1) << 1) | (motion_fx & 1);
1563 bb198e19 Michael Niedermayer
        src_x = motion_fx >> 1;
1564
        src_y = motion_fy >> 1;
1565 1457ab52 Michael Niedermayer
1566 bb198e19 Michael Niedermayer
        ptr = ref_data[0] + (src_y * stride) + src_x;
1567
        s->dsp.put_pixels_tab[size][dxy](dest_y    , ptr    , stride, h);
1568 1457ab52 Michael Niedermayer
1569
        dxy = ((motion_by & 1) << 1) | (motion_bx & 1);
1570 bb198e19 Michael Niedermayer
        src_x = motion_bx >> 1;
1571
        src_y = motion_by >> 1;
1572 1457ab52 Michael Niedermayer
    
1573 2750b827 Michael Niedermayer
        ptr = ref2_data[0] + (src_y * stride) + src_x;
1574 bb198e19 Michael Niedermayer
        s->dsp.avg_pixels_tab[size][dxy](dest_y    , ptr    , stride, h);
1575 1457ab52 Michael Niedermayer
    }
1576
1577 af4091f1 Michael Niedermayer
    fbmin = (mv_penalty[motion_fx-pred_fx] + mv_penalty[motion_fy-pred_fy])*c->mb_penalty_factor
1578
           +(mv_penalty[motion_bx-pred_bx] + mv_penalty[motion_by-pred_by])*c->mb_penalty_factor
1579 bb198e19 Michael Niedermayer
           + s->dsp.mb_cmp[size](s, src_data[0], dest_y, stride, h); //FIXME new_pic
1580 67725183 Michael Niedermayer
           
1581 1f202b0d Michael Niedermayer
    if(c->avctx->mb_cmp&FF_CMP_CHROMA){
1582 67725183 Michael Niedermayer
    }
1583
    //FIXME CHROMA !!!
1584
           
1585 91029be7 Michael Niedermayer
    return fbmin;
1586
}
1587 9dbcbd92 Michael Niedermayer
1588 91029be7 Michael Niedermayer
/* refine the bidir vectors in hq mode and return the score in both lq & hq mode*/
1589 2750b827 Michael Niedermayer
static inline int bidir_refine(MpegEncContext * s, int mb_x, int mb_y)
1590 91029be7 Michael Niedermayer
{
1591 7bc9090a Michael Niedermayer
    const int mot_stride = s->mb_stride;
1592
    const int xy = mb_y *mot_stride + mb_x;
1593 91029be7 Michael Niedermayer
    int fbmin;
1594
    int pred_fx= s->b_bidir_forw_mv_table[xy-1][0];
1595
    int pred_fy= s->b_bidir_forw_mv_table[xy-1][1];
1596
    int pred_bx= s->b_bidir_back_mv_table[xy-1][0];
1597
    int pred_by= s->b_bidir_back_mv_table[xy-1][1];
1598
    int motion_fx= s->b_bidir_forw_mv_table[xy][0]= s->b_forw_mv_table[xy][0];
1599
    int motion_fy= s->b_bidir_forw_mv_table[xy][1]= s->b_forw_mv_table[xy][1];
1600
    int motion_bx= s->b_bidir_back_mv_table[xy][0]= s->b_back_mv_table[xy][0];
1601
    int motion_by= s->b_bidir_back_mv_table[xy][1]= s->b_back_mv_table[xy][1];
1602
1603
    //FIXME do refinement and add flag
1604
    
1605 2750b827 Michael Niedermayer
    fbmin= check_bidir_mv(s, motion_fx, motion_fy,
1606 91029be7 Michael Niedermayer
                          motion_bx, motion_by,
1607
                          pred_fx, pred_fy,
1608 bb198e19 Michael Niedermayer
                          pred_bx, pred_by,
1609
                          0, 16);
1610 91029be7 Michael Niedermayer
1611
   return fbmin;
1612
}
1613
1614 2750b827 Michael Niedermayer
static inline int direct_search(MpegEncContext * s, int mb_x, int mb_y)
1615 91029be7 Michael Niedermayer
{
1616 af4091f1 Michael Niedermayer
    MotionEstContext * const c= &s->me;
1617 0d21a846 Michael Niedermayer
    int P[10][2];
1618 7bc9090a Michael Niedermayer
    const int mot_stride = s->mb_stride;
1619
    const int mot_xy = mb_y*mot_stride + mb_x;
1620 1457ab52 Michael Niedermayer
    const int shift= 1+s->quarter_sample;
1621
    int dmin, i;
1622 91029be7 Michael Niedermayer
    const int time_pp= s->pp_time;
1623 bea669e5 Michael Niedermayer
    const int time_pb= s->pb_time;
1624 1457ab52 Michael Niedermayer
    int mx, my, xmin, xmax, ymin, ymax;
1625 91029be7 Michael Niedermayer
    int16_t (*mv_table)[2]= s->b_direct_mv_table;
1626 1457ab52 Michael Niedermayer
    
1627 af4091f1 Michael Niedermayer
    c->current_mv_penalty= c->mv_penalty[1] + MAX_MV;
1628 1457ab52 Michael Niedermayer
    ymin= xmin=(-32)>>shift;
1629
    ymax= xmax=   31>>shift;
1630
1631 7bc9090a Michael Niedermayer
    if(IS_8X8(s->next_picture.mb_type[mot_xy])){
1632 1457ab52 Michael Niedermayer
        s->mv_type= MV_TYPE_8X8;
1633
    }else{
1634
        s->mv_type= MV_TYPE_16X16;
1635 91029be7 Michael Niedermayer
    }
1636 1457ab52 Michael Niedermayer
1637
    for(i=0; i<4; i++){
1638
        int index= s->block_index[i];
1639
        int min, max;
1640
    
1641 af4091f1 Michael Niedermayer
        c->co_located_mv[i][0]= s->next_picture.motion_val[0][index][0];
1642
        c->co_located_mv[i][1]= s->next_picture.motion_val[0][index][1];
1643
        c->direct_basis_mv[i][0]= c->co_located_mv[i][0]*time_pb/time_pp + ((i& 1)<<(shift+3));
1644
        c->direct_basis_mv[i][1]= c->co_located_mv[i][1]*time_pb/time_pp + ((i>>1)<<(shift+3));
1645
//        c->direct_basis_mv[1][i][0]= c->co_located_mv[i][0]*(time_pb - time_pp)/time_pp + ((i &1)<<(shift+3);
1646
//        c->direct_basis_mv[1][i][1]= c->co_located_mv[i][1]*(time_pb - time_pp)/time_pp + ((i>>1)<<(shift+3);
1647
1648
        max= FFMAX(c->direct_basis_mv[i][0], c->direct_basis_mv[i][0] - c->co_located_mv[i][0])>>shift;
1649
        min= FFMIN(c->direct_basis_mv[i][0], c->direct_basis_mv[i][0] - c->co_located_mv[i][0])>>shift;
1650 5a603607 Michael Niedermayer
        max+= 16*mb_x + 1; // +-1 is for the simpler rounding
1651
        min+= 16*mb_x - 1;
1652 4a711c33 Michael Niedermayer
        xmax= FFMIN(xmax, s->width - max);
1653
        xmin= FFMAX(xmin, - 16     - min);
1654 1457ab52 Michael Niedermayer
1655 af4091f1 Michael Niedermayer
        max= FFMAX(c->direct_basis_mv[i][1], c->direct_basis_mv[i][1] - c->co_located_mv[i][1])>>shift;
1656
        min= FFMIN(c->direct_basis_mv[i][1], c->direct_basis_mv[i][1] - c->co_located_mv[i][1])>>shift;
1657 5a603607 Michael Niedermayer
        max+= 16*mb_y + 1; // +-1 is for the simpler rounding
1658
        min+= 16*mb_y - 1;
1659 4a711c33 Michael Niedermayer
        ymax= FFMIN(ymax, s->height - max);
1660
        ymin= FFMAX(ymin, - 16      - min);
1661 1457ab52 Michael Niedermayer
        
1662
        if(s->mv_type == MV_TYPE_16X16) break;
1663 91029be7 Michael Niedermayer
    }
1664 1457ab52 Michael Niedermayer
    
1665
    assert(xmax <= 15 && ymax <= 15 && xmin >= -16 && ymin >= -16);
1666
    
1667
    if(xmax < 0 || xmin >0 || ymax < 0 || ymin > 0){
1668
        s->b_direct_mv_table[mot_xy][0]= 0;
1669
        s->b_direct_mv_table[mot_xy][1]= 0;
1670
1671
        return 256*256*256*64;
1672
    }
1673 bb198e19 Michael Niedermayer
    
1674 af4091f1 Michael Niedermayer
    c->xmin= xmin;
1675
    c->ymin= ymin;
1676
    c->xmax= xmax;
1677
    c->ymax= ymax;
1678
    c->flags     |= FLAG_DIRECT;
1679
    c->sub_flags |= FLAG_DIRECT;
1680
    c->pred_x=0;
1681
    c->pred_y=0;
1682 1457ab52 Michael Niedermayer
1683 0a13093d Michael Niedermayer
    P_LEFT[0]        = clip(mv_table[mot_xy - 1][0], xmin<<shift, xmax<<shift);
1684
    P_LEFT[1]        = clip(mv_table[mot_xy - 1][1], ymin<<shift, ymax<<shift);
1685
1686
    /* special case for first line */
1687 9c3d33d6 Michael Niedermayer
    if (!s->first_slice_line) { //FIXME maybe allow this over thread boundary as its cliped
1688 0a13093d Michael Niedermayer
        P_TOP[0]      = clip(mv_table[mot_xy - mot_stride             ][0], xmin<<shift, xmax<<shift);
1689
        P_TOP[1]      = clip(mv_table[mot_xy - mot_stride             ][1], ymin<<shift, ymax<<shift);
1690
        P_TOPRIGHT[0] = clip(mv_table[mot_xy - mot_stride + 1         ][0], xmin<<shift, xmax<<shift);
1691
        P_TOPRIGHT[1] = clip(mv_table[mot_xy - mot_stride + 1         ][1], ymin<<shift, ymax<<shift);
1692
    
1693
        P_MEDIAN[0]= mid_pred(P_LEFT[0], P_TOP[0], P_TOPRIGHT[0]);
1694
        P_MEDIAN[1]= mid_pred(P_LEFT[1], P_TOP[1], P_TOPRIGHT[1]);
1695
    }
1696 67725183 Michael Niedermayer
 
1697 2750b827 Michael Niedermayer
    dmin = epzs_motion_search(s, &mx, &my, P, 0, 0, mv_table, 1<<(16-shift));
1698 af4091f1 Michael Niedermayer
    if(c->sub_flags&FLAG_QPEL) 
1699 2750b827 Michael Niedermayer
        dmin = qpel_motion_search(s, &mx, &my, dmin, 0, 0, 0, 16);
1700
    else
1701
        dmin = hpel_motion_search(s, &mx, &my, dmin, 0, 0, 0, 16);
1702
    
1703 1f202b0d Michael Niedermayer
    if(c->avctx->me_sub_cmp != c->avctx->mb_cmp && !c->skip)
1704 2750b827 Michael Niedermayer
        dmin= get_mb_score(s, mx, my, 0, 0);
1705 bb198e19 Michael Niedermayer
    
1706 af4091f1 Michael Niedermayer
    get_limits(s, 16*mb_x, 16*mb_y); //restore c->?min/max, maybe not needed
1707 91029be7 Michael Niedermayer
1708
    s->b_direct_mv_table[mot_xy][0]= mx;
1709
    s->b_direct_mv_table[mot_xy][1]= my;
1710 af4091f1 Michael Niedermayer
    c->flags     &= ~FLAG_DIRECT;
1711
    c->sub_flags &= ~FLAG_DIRECT;
1712 2750b827 Michael Niedermayer
1713 91029be7 Michael Niedermayer
    return dmin;
1714 9dbcbd92 Michael Niedermayer
}
1715
1716
void ff_estimate_b_frame_motion(MpegEncContext * s,
1717
                             int mb_x, int mb_y)
1718
{
1719 af4091f1 Michael Niedermayer
    MotionEstContext * const c= &s->me;
1720
    const int penalty_factor= c->mb_penalty_factor;
1721 bb198e19 Michael Niedermayer
    int fmin, bmin, dmin, fbmin, bimin, fimin;
1722 91029be7 Michael Niedermayer
    int type=0;
1723 f20f8a8b Michael Niedermayer
    const int xy = mb_y*s->mb_stride + mb_x;
1724 af4091f1 Michael Niedermayer
    init_ref(c, s->new_picture.data, s->last_picture.data, s->next_picture.data, 16*mb_x, 16*mb_y, 2);
1725 f20f8a8b Michael Niedermayer
1726 91029be7 Michael Niedermayer
    
1727 af4091f1 Michael Niedermayer
    c->skip=0;
1728 1f202b0d Michael Niedermayer
    if(c->avctx->me_threshold){
1729 f4f3223f Michael Niedermayer
        int vard= (check_input_motion(s, mb_x, mb_y, 0)+128)>>8;
1730
        
1731 1f202b0d Michael Niedermayer
        if(vard<c->avctx->me_threshold){
1732 f4f3223f Michael Niedermayer
//            pix = c->src[0][0];
1733
//            sum = s->dsp.pix_sum(pix, s->linesize);
1734
//            varc = (s->dsp.pix_norm1(pix, s->linesize) - (((unsigned)(sum*sum))>>8) + 500 + 128)>>8;
1735
        
1736
//            pic->mb_var   [s->mb_stride * mb_y + mb_x] = varc;
1737
             s->current_picture.mc_mb_var[s->mb_stride * mb_y + mb_x] = vard;
1738
/*            pic->mb_mean  [s->mb_stride * mb_y + mb_x] = (sum+128)>>8;
1739 1f202b0d Michael Niedermayer
            c->mb_var_sum_temp    += varc;*/
1740
            c->mc_mb_var_sum_temp += vard;
1741 f4f3223f Michael Niedermayer
/*            if (vard <= 64 || vard < varc) {
1742 1f202b0d Michael Niedermayer
                c->scene_change_score+= ff_sqrt(vard) - ff_sqrt(varc);
1743 f4f3223f Michael Niedermayer
            }else{
1744 1f202b0d Michael Niedermayer
                c->scene_change_score+= s->qscale;
1745 f4f3223f Michael Niedermayer
            }*/
1746
            return;
1747
        }
1748 1f202b0d Michael Niedermayer
        if(vard<c->avctx->mb_threshold){
1749 f20f8a8b Michael Niedermayer
            type= s->mb_type[mb_y*s->mb_stride + mb_x];
1750
            if(type == CANDIDATE_MB_TYPE_DIRECT){
1751
                direct_search(s, mb_x, mb_y);
1752
            }
1753
            if(type == CANDIDATE_MB_TYPE_FORWARD || type == CANDIDATE_MB_TYPE_BIDIR){
1754 af4091f1 Michael Niedermayer
                c->skip=0;
1755 f20f8a8b Michael Niedermayer
                ff_estimate_motion_b(s, mb_x, mb_y, s->b_forw_mv_table, 0, s->f_code);
1756
            }
1757
            if(type == CANDIDATE_MB_TYPE_BACKWARD || type == CANDIDATE_MB_TYPE_BIDIR){
1758 af4091f1 Michael Niedermayer
                c->skip=0;
1759 f20f8a8b Michael Niedermayer
                ff_estimate_motion_b(s, mb_x, mb_y, s->b_back_mv_table, 2, s->b_code);
1760
            }
1761
            if(type == CANDIDATE_MB_TYPE_FORWARD_I || type == CANDIDATE_MB_TYPE_BIDIR_I){
1762 af4091f1 Michael Niedermayer
                c->skip=0;
1763
                c->current_mv_penalty= c->mv_penalty[s->f_code] + MAX_MV;
1764 f20f8a8b Michael Niedermayer
                interlaced_search(s, 0,
1765
                                        s->b_field_mv_table[0], s->b_field_select_table[0],
1766
                                        s->b_forw_mv_table[xy][0], s->b_forw_mv_table[xy][1], 1);
1767
            }
1768
            if(type == CANDIDATE_MB_TYPE_BACKWARD_I || type == CANDIDATE_MB_TYPE_BIDIR_I){
1769 af4091f1 Michael Niedermayer
                c->skip=0;
1770
                c->current_mv_penalty= c->mv_penalty[s->b_code] + MAX_MV;
1771 f20f8a8b Michael Niedermayer
                interlaced_search(s, 2,
1772
                                        s->b_field_mv_table[1], s->b_field_select_table[1],
1773
                                        s->b_back_mv_table[xy][0], s->b_back_mv_table[xy][1], 1);
1774
            }
1775
            return;
1776
        }
1777 f4f3223f Michael Niedermayer
    }
1778
1779 2d5e962b Michael Niedermayer
    if (s->codec_id == CODEC_ID_MPEG4)
1780 2750b827 Michael Niedermayer
        dmin= direct_search(s, mb_x, mb_y);
1781 2d5e962b Michael Niedermayer
    else
1782
        dmin= INT_MAX;
1783 bb198e19 Michael Niedermayer
//FIXME penalty stuff for non mpeg4
1784 af4091f1 Michael Niedermayer
    c->skip=0;
1785 2750b827 Michael Niedermayer
    fmin= ff_estimate_motion_b(s, mb_x, mb_y, s->b_forw_mv_table, 0, s->f_code) + 3*penalty_factor;
1786 2d5e962b Michael Niedermayer
    
1787 af4091f1 Michael Niedermayer
    c->skip=0;
1788 2750b827 Michael Niedermayer
    bmin= ff_estimate_motion_b(s, mb_x, mb_y, s->b_back_mv_table, 2, s->b_code) + 2*penalty_factor;
1789 9dbcbd92 Michael Niedermayer
//printf(" %d %d ", s->b_forw_mv_table[xy][0], s->b_forw_mv_table[xy][1]);
1790 91029be7 Michael Niedermayer
1791 af4091f1 Michael Niedermayer
    c->skip=0;
1792 2750b827 Michael Niedermayer
    fbmin= bidir_refine(s, mb_x, mb_y) + penalty_factor;
1793 67725183 Michael Niedermayer
//printf("%d %d %d %d\n", dmin, fmin, bmin, fbmin);
1794 bb198e19 Michael Niedermayer
    
1795
    if(s->flags & CODEC_FLAG_INTERLACED_ME){
1796
//FIXME mb type penalty
1797 af4091f1 Michael Niedermayer
        c->skip=0;
1798
        c->current_mv_penalty= c->mv_penalty[s->f_code] + MAX_MV;
1799 2750b827 Michael Niedermayer
        fimin= interlaced_search(s, 0,
1800
                                 s->b_field_mv_table[0], s->b_field_select_table[0],
1801 f20f8a8b Michael Niedermayer
                                 s->b_forw_mv_table[xy][0], s->b_forw_mv_table[xy][1], 0);
1802 af4091f1 Michael Niedermayer
        c->current_mv_penalty= c->mv_penalty[s->b_code] + MAX_MV;
1803 2750b827 Michael Niedermayer
        bimin= interlaced_search(s, 2,
1804
                                 s->b_field_mv_table[1], s->b_field_select_table[1],
1805 f20f8a8b Michael Niedermayer
                                 s->b_back_mv_table[xy][0], s->b_back_mv_table[xy][1], 0);
1806 bb198e19 Michael Niedermayer
    }else
1807
        fimin= bimin= INT_MAX;
1808
1809 3aa102be Michael Niedermayer
    {
1810 63b15e55 Michael Niedermayer
        int score= fmin;
1811 bb198e19 Michael Niedermayer
        type = CANDIDATE_MB_TYPE_FORWARD;
1812 91029be7 Michael Niedermayer
        
1813 2d5e962b Michael Niedermayer
        if (dmin <= score){
1814 63b15e55 Michael Niedermayer
            score = dmin;
1815 bb198e19 Michael Niedermayer
            type = CANDIDATE_MB_TYPE_DIRECT;
1816 91029be7 Michael Niedermayer
        }
1817
        if(bmin<score){
1818
            score=bmin;
1819 bb198e19 Michael Niedermayer
            type= CANDIDATE_MB_TYPE_BACKWARD; 
1820 91029be7 Michael Niedermayer
        }
1821
        if(fbmin<score){
1822
            score=fbmin;
1823 bb198e19 Michael Niedermayer
            type= CANDIDATE_MB_TYPE_BIDIR;
1824
        }
1825
        if(fimin<score){
1826
            score=fimin;
1827
            type= CANDIDATE_MB_TYPE_FORWARD_I;
1828
        }
1829
        if(bimin<score){
1830
            score=bimin;
1831
            type= CANDIDATE_MB_TYPE_BACKWARD_I;
1832 91029be7 Michael Niedermayer
        }
1833 67725183 Michael Niedermayer
        
1834 0bfacb95 Michael Niedermayer
        score= ((unsigned)(score*score + 128*256))>>16;
1835 1f202b0d Michael Niedermayer
        c->mc_mb_var_sum_temp += score;
1836 7bc9090a Michael Niedermayer
        s->current_picture.mc_mb_var[mb_y*s->mb_stride + mb_x] = score; //FIXME use SSE
1837 91029be7 Michael Niedermayer
    }
1838 3aa102be Michael Niedermayer
1839 1f202b0d Michael Niedermayer
    if(c->avctx->mb_decision > FF_MB_DECISION_SIMPLE){
1840 bb198e19 Michael Niedermayer
        type= CANDIDATE_MB_TYPE_FORWARD | CANDIDATE_MB_TYPE_BACKWARD | CANDIDATE_MB_TYPE_BIDIR | CANDIDATE_MB_TYPE_DIRECT;
1841
        if(fimin < INT_MAX)
1842
            type |= CANDIDATE_MB_TYPE_FORWARD_I;
1843
        if(bimin < INT_MAX)
1844
            type |= CANDIDATE_MB_TYPE_BACKWARD_I;
1845
        if(fimin < INT_MAX && bimin < INT_MAX){
1846
            type |= CANDIDATE_MB_TYPE_BIDIR_I;
1847
        }
1848
         //FIXME something smarter
1849
        if(dmin>256*256*16) type&= ~CANDIDATE_MB_TYPE_DIRECT; //dont try direct mode if its invalid for this MB
1850 622348f9 Michael Niedermayer
#if 0        
1851
        if(s->out_format == FMT_MPEG1)
1852
            type |= CANDIDATE_MB_TYPE_INTRA;
1853
#endif
1854 3aa102be Michael Niedermayer
    }
1855
1856 7bc9090a Michael Niedermayer
    s->mb_type[mb_y*s->mb_stride + mb_x]= type;
1857 9dbcbd92 Michael Niedermayer
}
1858
1859
/* find best f_code for ME which do unlimited searches */
1860
int ff_get_best_fcode(MpegEncContext * s, int16_t (*mv_table)[2], int type)
1861
{
1862
    if(s->me_method>=ME_EPZS){
1863 0d21a846 Michael Niedermayer
        int score[8];
1864 9dbcbd92 Michael Niedermayer
        int i, y;
1865 0c1a9eda Zdenek Kabelac
        uint8_t * fcode_tab= s->fcode_tab;
1866 0d21a846 Michael Niedermayer
        int best_fcode=-1;
1867
        int best_score=-10000000;
1868 9dbcbd92 Michael Niedermayer
1869 1457ab52 Michael Niedermayer
        for(i=0; i<8; i++) score[i]= s->mb_num*(8-i);
1870 9dbcbd92 Michael Niedermayer
1871
        for(y=0; y<s->mb_height; y++){
1872
            int x;
1873 7bc9090a Michael Niedermayer
            int xy= y*s->mb_stride;
1874 9dbcbd92 Michael Niedermayer
            for(x=0; x<s->mb_width; x++){
1875 d3985de7 Michael Niedermayer
                if(s->mb_type[xy] & type){
1876 b8a78f41 Michael Niedermayer
                    int fcode= FFMAX(fcode_tab[mv_table[xy][0] + MAX_MV],
1877
                                     fcode_tab[mv_table[xy][1] + MAX_MV]);
1878 0d21a846 Michael Niedermayer
                    int j;
1879
                    
1880
                    for(j=0; j<fcode && j<8; j++){
1881 7bc9090a Michael Niedermayer
                        if(s->pict_type==B_TYPE || s->current_picture.mc_mb_var[xy] < s->current_picture.mb_var[xy])
1882 0d21a846 Michael Niedermayer
                            score[j]-= 170;
1883
                    }
1884 9dbcbd92 Michael Niedermayer
                }
1885
                xy++;
1886
            }
1887
        }
1888 0d21a846 Michael Niedermayer
        
1889
        for(i=1; i<8; i++){
1890
            if(score[i] > best_score){
1891
                best_score= score[i];
1892
                best_fcode= i;
1893
            }
1894
//            printf("%d %d\n", i, score[i]);
1895 9dbcbd92 Michael Niedermayer
        }
1896 0d21a846 Michael Niedermayer
1897 9dbcbd92 Michael Niedermayer
//    printf("fcode: %d type: %d\n", i, s->pict_type);
1898 0d21a846 Michael Niedermayer
        return best_fcode;
1899 9dbcbd92 Michael Niedermayer
/*        for(i=0; i<=MAX_FCODE; i++){
1900
            printf("%d ", mv_num[i]);
1901
        }
1902
        printf("\n");*/
1903
    }else{
1904
        return 1;
1905 de6d9b64 Fabrice Bellard
    }
1906
}
1907
1908 9dbcbd92 Michael Niedermayer
void ff_fix_long_p_mvs(MpegEncContext * s)
1909
{
1910 1f202b0d Michael Niedermayer
    MotionEstContext * const c= &s->me;
1911 9dbcbd92 Michael Niedermayer
    const int f_code= s->f_code;
1912 ebbcdc9a Michael Niedermayer
    int y, range;
1913 029911d1 Michael Niedermayer
    assert(s->pict_type==P_TYPE);
1914 ebbcdc9a Michael Niedermayer
1915 029911d1 Michael Niedermayer
    range = (((s->out_format == FMT_MPEG1) ? 8 : 16) << f_code);
1916 ebbcdc9a Michael Niedermayer
    
1917
    if(s->msmpeg4_version) range= 16;
1918
    
1919 1f202b0d Michael Niedermayer
    if(c->avctx->me_range && range > c->avctx->me_range) range= c->avctx->me_range;
1920 ebbcdc9a Michael Niedermayer
    
1921 0d21a846 Michael Niedermayer
//printf("%d no:%d %d//\n", clip, noclip, f_code);
1922 9dbcbd92 Michael Niedermayer
    if(s->flags&CODEC_FLAG_4MV){
1923 137c8468 Michael Niedermayer
        const int wrap= s->b8_stride;
1924 9dbcbd92 Michael Niedermayer
1925
        /* clip / convert to intra 8x8 type MVs */
1926
        for(y=0; y<s->mb_height; y++){
1927 137c8468 Michael Niedermayer
            int xy= y*2*wrap;
1928 7bc9090a Michael Niedermayer
            int i= y*s->mb_stride;
1929 9dbcbd92 Michael Niedermayer
            int x;
1930
1931
            for(x=0; x<s->mb_width; x++){
1932 bb198e19 Michael Niedermayer
                if(s->mb_type[i]&CANDIDATE_MB_TYPE_INTER4V){
1933 9dbcbd92 Michael Niedermayer
                    int block;
1934
                    for(block=0; block<4; block++){
1935
                        int off= (block& 1) + (block>>1)*wrap;
1936 8d7ec294 Wolfgang Hesseler
                        int mx= s->current_picture.motion_val[0][ xy + off ][0];
1937
                        int my= s->current_picture.motion_val[0][ xy + off ][1];
1938 9dbcbd92 Michael Niedermayer
1939 ebbcdc9a Michael Niedermayer
                        if(   mx >=range || mx <-range
1940
                           || my >=range || my <-range){
1941 bb198e19 Michael Niedermayer
                            s->mb_type[i] &= ~CANDIDATE_MB_TYPE_INTER4V;
1942
                            s->mb_type[i] |= CANDIDATE_MB_TYPE_INTRA;
1943
                            s->current_picture.mb_type[i]= CANDIDATE_MB_TYPE_INTRA;
1944 9dbcbd92 Michael Niedermayer
                        }
1945
                    }
1946
                }
1947 f10bd870 Michael Niedermayer
                xy+=2;
1948
                i++;
1949 9dbcbd92 Michael Niedermayer
            }
1950
        }
1951
    }
1952
}
1953
1954 bb198e19 Michael Niedermayer
/**
1955
 *
1956
 * @param truncate 1 for truncation, 0 for using intra
1957
 */
1958
void ff_fix_long_mvs(MpegEncContext * s, uint8_t *field_select_table, int field_select, 
1959
                     int16_t (*mv_table)[2], int f_code, int type, int truncate)
1960 9dbcbd92 Michael Niedermayer
{
1961 1f202b0d Michael Niedermayer
    MotionEstContext * const c= &s->me;
1962 bb198e19 Michael Niedermayer
    int y, h_range, v_range;
1963 9dbcbd92 Michael Niedermayer
1964 63b15e55 Michael Niedermayer
    // RAL: 8 in MPEG-1, 16 in MPEG-4
1965 029911d1 Michael Niedermayer
    int range = (((s->out_format == FMT_MPEG1) ? 8 : 16) << f_code);
1966 bb198e19 Michael Niedermayer
1967
    if(s->msmpeg4_version) range= 16;
1968 1f202b0d Michael Niedermayer
    if(c->avctx->me_range && range > c->avctx->me_range) range= c->avctx->me_range;
1969 63b15e55 Michael Niedermayer
1970 bb198e19 Michael Niedermayer
    h_range= range;
1971
    v_range= field_select_table ? range>>1 : range;
1972
1973 9dbcbd92 Michael Niedermayer
    /* clip / convert to intra 16x16 type MVs */
1974
    for(y=0; y<s->mb_height; y++){
1975
        int x;
1976 7bc9090a Michael Niedermayer
        int xy= y*s->mb_stride;
1977 ebbcdc9a Michael Niedermayer
        for(x=0; x<s->mb_width; x++){
1978 7bc9090a Michael Niedermayer
            if (s->mb_type[xy] & type){    // RAL: "type" test added...
1979 bb198e19 Michael Niedermayer
                if(field_select_table==NULL || field_select_table[xy] == field_select){
1980
                    if(   mv_table[xy][0] >=h_range || mv_table[xy][0] <-h_range
1981
                       || mv_table[xy][1] >=v_range || mv_table[xy][1] <-v_range){
1982
1983
                        if(truncate){
1984
                            if     (mv_table[xy][0] > h_range-1) mv_table[xy][0]=  h_range-1;
1985
                            else if(mv_table[xy][0] < -h_range ) mv_table[xy][0]= -h_range;
1986
                            if     (mv_table[xy][1] > v_range-1) mv_table[xy][1]=  v_range-1;
1987
                            else if(mv_table[xy][1] < -v_range ) mv_table[xy][1]= -v_range;
1988
                        }else{
1989
                            s->mb_type[xy] &= ~type;
1990
                            s->mb_type[xy] |= CANDIDATE_MB_TYPE_INTRA;
1991
                            mv_table[xy][0]=
1992
                            mv_table[xy][1]= 0;
1993
                        }
1994 63b15e55 Michael Niedermayer
                    }
1995 ebbcdc9a Michael Niedermayer
                }
1996 9dbcbd92 Michael Niedermayer
            }
1997
            xy++;
1998
        }
1999
    }
2000
}