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1 | /* |
2 | * Motion estimation | |
3 | * Copyright (c) 2000,2001 Fabrice Bellard | |
4 | * Copyright (c) 2002-2004 Michael Niedermayer | |
5 | * | |
6 | * new motion estimation (X1/EPZS) by Michael Niedermayer <michaelni@gmx.at> | |
7 | * | |
8 | * This file is part of FFmpeg. | |
9 | * | |
10 | * FFmpeg is free software; you can redistribute it and/or | |
11 | * modify it under the terms of the GNU Lesser General Public | |
12 | * License as published by the Free Software Foundation; either | |
13 | * version 2.1 of the License, or (at your option) any later version. | |
14 | * | |
15 | * FFmpeg is distributed in the hope that it will be useful, | |
16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
18 | * Lesser General Public License for more details. | |
19 | * | |
20 | * You should have received a copy of the GNU Lesser General Public | |
21 | * License along with FFmpeg; if not, write to the Free Software | |
22 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
23 | */ | |
24 | ||
25 | /** | |
26 | * @file | |
27 | * Motion estimation. | |
28 | */ | |
29 | ||
30 | #include <stdlib.h> | |
31 | #include <stdio.h> | |
32 | #include <limits.h> | |
33 | ||
34 | #include "avcodec.h" | |
35 | #include "mathops.h" | |
36 | #include "mpegutils.h" | |
37 | #include "mpegvideo.h" | |
38 | ||
39 | #undef NDEBUG | |
40 | #include <assert.h> | |
41 | ||
42 | #define P_LEFT P[1] | |
43 | #define P_TOP P[2] | |
44 | #define P_TOPRIGHT P[3] | |
45 | #define P_MEDIAN P[4] | |
46 | #define P_MV1 P[9] | |
47 | ||
48 | #define ME_MAP_SHIFT 3 | |
49 | #define ME_MAP_MV_BITS 11 | |
50 | ||
51 | static int sad_hpel_motion_search(MpegEncContext * s, | |
52 | int *mx_ptr, int *my_ptr, int dmin, | |
53 | int src_index, int ref_index, | |
54 | int size, int h); | |
55 | ||
56 | static inline unsigned update_map_generation(MotionEstContext *c) | |
57 | { | |
58 | c->map_generation+= 1<<(ME_MAP_MV_BITS*2); | |
59 | if(c->map_generation==0){ | |
60 | c->map_generation= 1<<(ME_MAP_MV_BITS*2); | |
61 | memset(c->map, 0, sizeof(uint32_t)*ME_MAP_SIZE); | |
62 | } | |
63 | return c->map_generation; | |
64 | } | |
65 | ||
66 | /* shape adaptive search stuff */ | |
67 | typedef struct Minima{ | |
68 | int height; | |
69 | int x, y; | |
70 | int checked; | |
71 | }Minima; | |
72 | ||
73 | static int minima_cmp(const void *a, const void *b){ | |
74 | const Minima *da = (const Minima *) a; | |
75 | const Minima *db = (const Minima *) b; | |
76 | ||
77 | return da->height - db->height; | |
78 | } | |
79 | ||
80 | #define FLAG_QPEL 1 //must be 1 | |
81 | #define FLAG_CHROMA 2 | |
82 | #define FLAG_DIRECT 4 | |
83 | ||
84 | 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){ | |
85 | const int offset[3]= { | |
86 | y*c-> stride + x, | |
87 | ((y*c->uvstride + x)>>1), | |
88 | ((y*c->uvstride + x)>>1), | |
89 | }; | |
90 | int i; | |
91 | for(i=0; i<3; i++){ | |
92 | c->src[0][i]= src [i] + offset[i]; | |
93 | c->ref[0][i]= ref [i] + offset[i]; | |
94 | } | |
95 | if(ref_index){ | |
96 | for(i=0; i<3; i++){ | |
97 | c->ref[ref_index][i]= ref2[i] + offset[i]; | |
98 | } | |
99 | } | |
100 | } | |
101 | ||
102 | static int get_flags(MotionEstContext *c, int direct, int chroma){ | |
103 | return ((c->avctx->flags&CODEC_FLAG_QPEL) ? FLAG_QPEL : 0) | |
104 | + (direct ? FLAG_DIRECT : 0) | |
105 | + (chroma ? FLAG_CHROMA : 0); | |
106 | } | |
107 | ||
108 | static av_always_inline int cmp_direct_inline(MpegEncContext *s, const int x, const int y, const int subx, const int suby, | |
109 | const int size, const int h, int ref_index, int src_index, | |
110 | me_cmp_func cmp_func, me_cmp_func chroma_cmp_func, int qpel){ | |
111 | MotionEstContext * const c= &s->me; | |
112 | const int stride= c->stride; | |
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 | av_assert2(x >= c->xmin && hx <= c->xmax<<(qpel+1) && y >= c->ymin && hy <= c->ymax<<(qpel+1)); | |
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 | av_assert2((fx>>1) + 16*s->mb_x >= -16); | |
162 | av_assert2((fy>>1) + 16*s->mb_y >= -16); | |
163 | av_assert2((fx>>1) + 16*s->mb_x <= s->width); | |
164 | av_assert2((fy>>1) + 16*s->mb_y <= s->height); | |
165 | av_assert2((bx>>1) + 16*s->mb_x >= -16); | |
166 | av_assert2((by>>1) + 16*s->mb_y >= -16); | |
167 | av_assert2((bx>>1) + 16*s->mb_x <= s->width); | |
168 | av_assert2((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 | return d; | |
178 | } | |
179 | ||
180 | static av_always_inline int cmp_inline(MpegEncContext *s, const int x, const int y, const int subx, const int suby, | |
181 | const int size, const int h, int ref_index, int src_index, | |
182 | me_cmp_func cmp_func, me_cmp_func chroma_cmp_func, int qpel, int chroma){ | |
183 | MotionEstContext * const c= &s->me; | |
184 | const int stride= c->stride; | |
185 | const int uvstride= c->uvstride; | |
186 | const int dxy= subx + (suby<<(1+qpel)); //FIXME log2_subpel? | |
187 | const int hx= subx + (x<<(1+qpel)); | |
188 | const int hy= suby + (y<<(1+qpel)); | |
189 | uint8_t * const * const ref= c->ref[ref_index]; | |
190 | uint8_t * const * const src= c->src[src_index]; | |
191 | int d; | |
192 | //FIXME check chroma 4mv, (no crashes ...) | |
193 | int uvdxy; /* no, it might not be used uninitialized */ | |
194 | if(dxy){ | |
195 | if(qpel){ | |
f6fa7814 DM |
196 | if (h << size == 16) { |
197 | c->qpel_put[size][dxy](c->temp, ref[0] + x + y*stride, stride); //FIXME prototype (add h) | |
198 | } else if (size == 0 && h == 8) { | |
199 | c->qpel_put[1][dxy](c->temp , ref[0] + x + y*stride , stride); | |
200 | c->qpel_put[1][dxy](c->temp + 8, ref[0] + x + y*stride + 8, stride); | |
201 | } else | |
202 | av_assert2(0); | |
2ba45a60 DM |
203 | if(chroma){ |
204 | int cx= hx/2; | |
205 | int cy= hy/2; | |
206 | cx= (cx>>1)|(cx&1); | |
207 | cy= (cy>>1)|(cy&1); | |
208 | uvdxy= (cx&1) + 2*(cy&1); | |
209 | //FIXME x/y wrong, but mpeg4 qpel is sick anyway, we should drop as much of it as possible in favor for h264 | |
210 | } | |
211 | }else{ | |
212 | c->hpel_put[size][dxy](c->temp, ref[0] + x + y*stride, stride, h); | |
213 | if(chroma) | |
214 | uvdxy= dxy | (x&1) | (2*(y&1)); | |
215 | } | |
216 | d = cmp_func(s, c->temp, src[0], stride, h); | |
217 | }else{ | |
218 | d = cmp_func(s, src[0], ref[0] + x + y*stride, stride, h); | |
219 | if(chroma) | |
220 | uvdxy= (x&1) + 2*(y&1); | |
221 | } | |
222 | if(chroma){ | |
223 | uint8_t * const uvtemp= c->temp + 16*stride; | |
224 | c->hpel_put[size+1][uvdxy](uvtemp , ref[1] + (x>>1) + (y>>1)*uvstride, uvstride, h>>1); | |
225 | c->hpel_put[size+1][uvdxy](uvtemp+8, ref[2] + (x>>1) + (y>>1)*uvstride, uvstride, h>>1); | |
226 | d += chroma_cmp_func(s, uvtemp , src[1], uvstride, h>>1); | |
227 | d += chroma_cmp_func(s, uvtemp+8, src[2], uvstride, h>>1); | |
228 | } | |
229 | return d; | |
230 | } | |
231 | ||
232 | static int cmp_simple(MpegEncContext *s, const int x, const int y, | |
233 | int ref_index, int src_index, | |
234 | me_cmp_func cmp_func, me_cmp_func chroma_cmp_func){ | |
235 | return cmp_inline(s,x,y,0,0,0,16,ref_index,src_index, cmp_func, chroma_cmp_func, 0, 0); | |
236 | } | |
237 | ||
238 | static int cmp_fpel_internal(MpegEncContext *s, const int x, const int y, | |
239 | const int size, const int h, int ref_index, int src_index, | |
240 | me_cmp_func cmp_func, me_cmp_func chroma_cmp_func, const int flags){ | |
241 | if(flags&FLAG_DIRECT){ | |
242 | return cmp_direct_inline(s,x,y,0,0,size,h,ref_index,src_index, cmp_func, chroma_cmp_func, flags&FLAG_QPEL); | |
243 | }else{ | |
244 | return cmp_inline(s,x,y,0,0,size,h,ref_index,src_index, cmp_func, chroma_cmp_func, 0, flags&FLAG_CHROMA); | |
245 | } | |
246 | } | |
247 | ||
248 | static int cmp_internal(MpegEncContext *s, const int x, const int y, const int subx, const int suby, | |
249 | const int size, const int h, int ref_index, int src_index, | |
250 | me_cmp_func cmp_func, me_cmp_func chroma_cmp_func, const int flags){ | |
251 | if(flags&FLAG_DIRECT){ | |
252 | return cmp_direct_inline(s,x,y,subx,suby,size,h,ref_index,src_index, cmp_func, chroma_cmp_func, flags&FLAG_QPEL); | |
253 | }else{ | |
254 | return cmp_inline(s,x,y,subx,suby,size,h,ref_index,src_index, cmp_func, chroma_cmp_func, flags&FLAG_QPEL, flags&FLAG_CHROMA); | |
255 | } | |
256 | } | |
257 | ||
258 | /** @brief compares a block (either a full macroblock or a partition thereof) | |
259 | against a proposed motion-compensated prediction of that block | |
260 | */ | |
261 | static av_always_inline int cmp(MpegEncContext *s, const int x, const int y, const int subx, const int suby, | |
262 | const int size, const int h, int ref_index, int src_index, | |
263 | me_cmp_func cmp_func, me_cmp_func chroma_cmp_func, const int flags){ | |
264 | if(av_builtin_constant_p(flags) && av_builtin_constant_p(h) && av_builtin_constant_p(size) | |
265 | && av_builtin_constant_p(subx) && av_builtin_constant_p(suby) | |
266 | && flags==0 && h==16 && size==0 && subx==0 && suby==0){ | |
267 | return cmp_simple(s,x,y,ref_index,src_index, cmp_func, chroma_cmp_func); | |
268 | }else if(av_builtin_constant_p(subx) && av_builtin_constant_p(suby) | |
269 | && subx==0 && suby==0){ | |
270 | return cmp_fpel_internal(s,x,y,size,h,ref_index,src_index, cmp_func, chroma_cmp_func,flags); | |
271 | }else{ | |
272 | return cmp_internal(s,x,y,subx,suby,size,h,ref_index,src_index, cmp_func, chroma_cmp_func, flags); | |
273 | } | |
274 | } | |
275 | ||
276 | static int cmp_hpel(MpegEncContext *s, const int x, const int y, const int subx, const int suby, | |
277 | const int size, const int h, int ref_index, int src_index, | |
278 | me_cmp_func cmp_func, me_cmp_func chroma_cmp_func, const int flags){ | |
279 | if(flags&FLAG_DIRECT){ | |
280 | return cmp_direct_inline(s,x,y,subx,suby,size,h,ref_index,src_index, cmp_func, chroma_cmp_func, 0); | |
281 | }else{ | |
282 | return cmp_inline(s,x,y,subx,suby,size,h,ref_index,src_index, cmp_func, chroma_cmp_func, 0, flags&FLAG_CHROMA); | |
283 | } | |
284 | } | |
285 | ||
286 | static int cmp_qpel(MpegEncContext *s, const int x, const int y, const int subx, const int suby, | |
287 | const int size, const int h, int ref_index, int src_index, | |
288 | me_cmp_func cmp_func, me_cmp_func chroma_cmp_func, const int flags){ | |
289 | if(flags&FLAG_DIRECT){ | |
290 | return cmp_direct_inline(s,x,y,subx,suby,size,h,ref_index,src_index, cmp_func, chroma_cmp_func, 1); | |
291 | }else{ | |
292 | return cmp_inline(s,x,y,subx,suby,size,h,ref_index,src_index, cmp_func, chroma_cmp_func, 1, flags&FLAG_CHROMA); | |
293 | } | |
294 | } | |
295 | ||
296 | #include "motion_est_template.c" | |
297 | ||
298 | static int zero_cmp(MpegEncContext *s, uint8_t *a, uint8_t *b, | |
f6fa7814 | 299 | ptrdiff_t stride, int h) |
2ba45a60 DM |
300 | { |
301 | return 0; | |
302 | } | |
303 | ||
304 | static void zero_hpel(uint8_t *a, const uint8_t *b, ptrdiff_t stride, int h){ | |
305 | } | |
306 | ||
307 | int ff_init_me(MpegEncContext *s){ | |
308 | MotionEstContext * const c= &s->me; | |
309 | int cache_size= FFMIN(ME_MAP_SIZE>>ME_MAP_SHIFT, 1<<ME_MAP_SHIFT); | |
310 | int dia_size= FFMAX(FFABS(s->avctx->dia_size)&255, FFABS(s->avctx->pre_dia_size)&255); | |
311 | ||
312 | if(FFMIN(s->avctx->dia_size, s->avctx->pre_dia_size) < -FFMIN(ME_MAP_SIZE, MAX_SAB_SIZE)){ | |
313 | av_log(s->avctx, AV_LOG_ERROR, "ME_MAP size is too small for SAB diamond\n"); | |
314 | return -1; | |
315 | } | |
316 | //special case of snow is needed because snow uses its own iterative ME code | |
317 | if(s->me_method!=ME_ZERO && s->me_method!=ME_EPZS && s->me_method!=ME_X1 && s->avctx->codec_id != AV_CODEC_ID_SNOW){ | |
318 | av_log(s->avctx, AV_LOG_ERROR, "me_method is only allowed to be set to zero and epzs; for hex,umh,full and others see dia_size\n"); | |
319 | return -1; | |
320 | } | |
321 | ||
322 | c->avctx= s->avctx; | |
323 | ||
324 | if(cache_size < 2*dia_size && !c->stride){ | |
325 | av_log(s->avctx, AV_LOG_INFO, "ME_MAP size may be a little small for the selected diamond size\n"); | |
326 | } | |
327 | ||
328 | ff_set_cmp(&s->mecc, s->mecc.me_pre_cmp, c->avctx->me_pre_cmp); | |
329 | ff_set_cmp(&s->mecc, s->mecc.me_cmp, c->avctx->me_cmp); | |
330 | ff_set_cmp(&s->mecc, s->mecc.me_sub_cmp, c->avctx->me_sub_cmp); | |
331 | ff_set_cmp(&s->mecc, s->mecc.mb_cmp, c->avctx->mb_cmp); | |
332 | ||
333 | c->flags = get_flags(c, 0, c->avctx->me_cmp &FF_CMP_CHROMA); | |
334 | c->sub_flags= get_flags(c, 0, c->avctx->me_sub_cmp&FF_CMP_CHROMA); | |
335 | c->mb_flags = get_flags(c, 0, c->avctx->mb_cmp &FF_CMP_CHROMA); | |
336 | ||
337 | /*FIXME s->no_rounding b_type*/ | |
338 | if(s->flags&CODEC_FLAG_QPEL){ | |
339 | c->sub_motion_search= qpel_motion_search; | |
340 | c->qpel_avg = s->qdsp.avg_qpel_pixels_tab; | |
341 | if (s->no_rounding) | |
342 | c->qpel_put = s->qdsp.put_no_rnd_qpel_pixels_tab; | |
343 | else | |
344 | c->qpel_put = s->qdsp.put_qpel_pixels_tab; | |
345 | }else{ | |
346 | if(c->avctx->me_sub_cmp&FF_CMP_CHROMA) | |
347 | c->sub_motion_search= hpel_motion_search; | |
348 | else if( c->avctx->me_sub_cmp == FF_CMP_SAD | |
349 | && c->avctx-> me_cmp == FF_CMP_SAD | |
350 | && c->avctx-> mb_cmp == FF_CMP_SAD) | |
351 | c->sub_motion_search= sad_hpel_motion_search; // 2050 vs. 2450 cycles | |
352 | else | |
353 | c->sub_motion_search= hpel_motion_search; | |
354 | } | |
355 | c->hpel_avg = s->hdsp.avg_pixels_tab; | |
356 | if (s->no_rounding) | |
357 | c->hpel_put = s->hdsp.put_no_rnd_pixels_tab; | |
358 | else | |
359 | c->hpel_put = s->hdsp.put_pixels_tab; | |
360 | ||
361 | if(s->linesize){ | |
362 | c->stride = s->linesize; | |
363 | c->uvstride= s->uvlinesize; | |
364 | }else{ | |
365 | c->stride = 16*s->mb_width + 32; | |
366 | c->uvstride= 8*s->mb_width + 16; | |
367 | } | |
368 | ||
369 | /* 8x8 fullpel search would need a 4x4 chroma compare, which we do | |
370 | * not have yet, and even if we had, the motion estimation code | |
371 | * does not expect it. */ | |
372 | if (s->codec_id != AV_CODEC_ID_SNOW) { | |
373 | if ((c->avctx->me_cmp & FF_CMP_CHROMA) /* && !s->mecc.me_cmp[2] */) | |
374 | s->mecc.me_cmp[2] = zero_cmp; | |
375 | if ((c->avctx->me_sub_cmp & FF_CMP_CHROMA) && !s->mecc.me_sub_cmp[2]) | |
376 | s->mecc.me_sub_cmp[2] = zero_cmp; | |
377 | c->hpel_put[2][0]= c->hpel_put[2][1]= | |
378 | c->hpel_put[2][2]= c->hpel_put[2][3]= zero_hpel; | |
379 | } | |
380 | ||
381 | if(s->codec_id == AV_CODEC_ID_H261){ | |
382 | c->sub_motion_search= no_sub_motion_search; | |
383 | } | |
384 | ||
385 | return 0; | |
386 | } | |
387 | ||
388 | #define CHECK_SAD_HALF_MV(suffix, x, y) \ | |
389 | {\ | |
390 | d = s->mecc.pix_abs[size][(x ? 1 : 0) + (y ? 2 : 0)](NULL, pix, ptr + ((x) >> 1), stride, h); \ | |
391 | d += (mv_penalty[pen_x + x] + mv_penalty[pen_y + y])*penalty_factor;\ | |
392 | COPY3_IF_LT(dminh, d, dx, x, dy, y)\ | |
393 | } | |
394 | ||
395 | static int sad_hpel_motion_search(MpegEncContext * s, | |
396 | int *mx_ptr, int *my_ptr, int dmin, | |
397 | int src_index, int ref_index, | |
398 | int size, int h) | |
399 | { | |
400 | MotionEstContext * const c= &s->me; | |
401 | const int penalty_factor= c->sub_penalty_factor; | |
402 | int mx, my, dminh; | |
403 | uint8_t *pix, *ptr; | |
404 | int stride= c->stride; | |
405 | LOAD_COMMON | |
406 | ||
407 | av_assert2(c->sub_flags == 0); | |
408 | ||
409 | if(c->skip){ | |
410 | *mx_ptr = 0; | |
411 | *my_ptr = 0; | |
412 | return dmin; | |
413 | } | |
414 | ||
415 | pix = c->src[src_index][0]; | |
416 | ||
417 | mx = *mx_ptr; | |
418 | my = *my_ptr; | |
419 | ptr = c->ref[ref_index][0] + (my * stride) + mx; | |
420 | ||
421 | dminh = dmin; | |
422 | ||
423 | if (mx > xmin && mx < xmax && | |
424 | my > ymin && my < ymax) { | |
425 | int dx=0, dy=0; | |
426 | int d, pen_x, pen_y; | |
427 | const int index= (my<<ME_MAP_SHIFT) + mx; | |
428 | const int t= score_map[(index-(1<<ME_MAP_SHIFT))&(ME_MAP_SIZE-1)]; | |
429 | const int l= score_map[(index- 1 )&(ME_MAP_SIZE-1)]; | |
430 | const int r= score_map[(index+ 1 )&(ME_MAP_SIZE-1)]; | |
431 | const int b= score_map[(index+(1<<ME_MAP_SHIFT))&(ME_MAP_SIZE-1)]; | |
432 | mx<<=1; | |
433 | my<<=1; | |
434 | ||
435 | ||
436 | pen_x= pred_x + mx; | |
437 | pen_y= pred_y + my; | |
438 | ||
439 | ptr-= stride; | |
440 | if(t<=b){ | |
441 | CHECK_SAD_HALF_MV(y2 , 0, -1) | |
442 | if(l<=r){ | |
443 | CHECK_SAD_HALF_MV(xy2, -1, -1) | |
444 | if(t+r<=b+l){ | |
445 | CHECK_SAD_HALF_MV(xy2, +1, -1) | |
446 | ptr+= stride; | |
447 | }else{ | |
448 | ptr+= stride; | |
449 | CHECK_SAD_HALF_MV(xy2, -1, +1) | |
450 | } | |
451 | CHECK_SAD_HALF_MV(x2 , -1, 0) | |
452 | }else{ | |
453 | CHECK_SAD_HALF_MV(xy2, +1, -1) | |
454 | if(t+l<=b+r){ | |
455 | CHECK_SAD_HALF_MV(xy2, -1, -1) | |
456 | ptr+= stride; | |
457 | }else{ | |
458 | ptr+= stride; | |
459 | CHECK_SAD_HALF_MV(xy2, +1, +1) | |
460 | } | |
461 | CHECK_SAD_HALF_MV(x2 , +1, 0) | |
462 | } | |
463 | }else{ | |
464 | if(l<=r){ | |
465 | if(t+l<=b+r){ | |
466 | CHECK_SAD_HALF_MV(xy2, -1, -1) | |
467 | ptr+= stride; | |
468 | }else{ | |
469 | ptr+= stride; | |
470 | CHECK_SAD_HALF_MV(xy2, +1, +1) | |
471 | } | |
472 | CHECK_SAD_HALF_MV(x2 , -1, 0) | |
473 | CHECK_SAD_HALF_MV(xy2, -1, +1) | |
474 | }else{ | |
475 | if(t+r<=b+l){ | |
476 | CHECK_SAD_HALF_MV(xy2, +1, -1) | |
477 | ptr+= stride; | |
478 | }else{ | |
479 | ptr+= stride; | |
480 | CHECK_SAD_HALF_MV(xy2, -1, +1) | |
481 | } | |
482 | CHECK_SAD_HALF_MV(x2 , +1, 0) | |
483 | CHECK_SAD_HALF_MV(xy2, +1, +1) | |
484 | } | |
485 | CHECK_SAD_HALF_MV(y2 , 0, +1) | |
486 | } | |
487 | mx+=dx; | |
488 | my+=dy; | |
489 | ||
490 | }else{ | |
491 | mx<<=1; | |
492 | my<<=1; | |
493 | } | |
494 | ||
495 | *mx_ptr = mx; | |
496 | *my_ptr = my; | |
497 | return dminh; | |
498 | } | |
499 | ||
500 | static inline void set_p_mv_tables(MpegEncContext * s, int mx, int my, int mv4) | |
501 | { | |
502 | const int xy= s->mb_x + s->mb_y*s->mb_stride; | |
503 | ||
504 | s->p_mv_table[xy][0] = mx; | |
505 | s->p_mv_table[xy][1] = my; | |
506 | ||
507 | /* has already been set to the 4 MV if 4MV is done */ | |
508 | if(mv4){ | |
509 | int mot_xy= s->block_index[0]; | |
510 | ||
511 | s->current_picture.motion_val[0][mot_xy ][0] = mx; | |
512 | s->current_picture.motion_val[0][mot_xy ][1] = my; | |
513 | s->current_picture.motion_val[0][mot_xy + 1][0] = mx; | |
514 | s->current_picture.motion_val[0][mot_xy + 1][1] = my; | |
515 | ||
516 | mot_xy += s->b8_stride; | |
517 | s->current_picture.motion_val[0][mot_xy ][0] = mx; | |
518 | s->current_picture.motion_val[0][mot_xy ][1] = my; | |
519 | s->current_picture.motion_val[0][mot_xy + 1][0] = mx; | |
520 | s->current_picture.motion_val[0][mot_xy + 1][1] = my; | |
521 | } | |
522 | } | |
523 | ||
524 | /** | |
525 | * get fullpel ME search limits. | |
526 | */ | |
527 | static inline void get_limits(MpegEncContext *s, int x, int y) | |
528 | { | |
529 | MotionEstContext * const c= &s->me; | |
530 | int range= c->avctx->me_range >> (1 + !!(c->flags&FLAG_QPEL)); | |
531 | int max_range = MAX_MV >> (1 + !!(c->flags&FLAG_QPEL)); | |
532 | /* | |
533 | if(c->avctx->me_range) c->range= c->avctx->me_range >> 1; | |
534 | else c->range= 16; | |
535 | */ | |
536 | if (s->unrestricted_mv) { | |
537 | c->xmin = - x - 16; | |
538 | c->ymin = - y - 16; | |
539 | c->xmax = - x + s->width; | |
540 | c->ymax = - y + s->height; | |
541 | } else if (s->out_format == FMT_H261){ | |
542 | // Search range of H261 is different from other codec standards | |
543 | c->xmin = (x > 15) ? - 15 : 0; | |
544 | c->ymin = (y > 15) ? - 15 : 0; | |
545 | c->xmax = (x < s->mb_width * 16 - 16) ? 15 : 0; | |
546 | c->ymax = (y < s->mb_height * 16 - 16) ? 15 : 0; | |
547 | } else { | |
548 | c->xmin = - x; | |
549 | c->ymin = - y; | |
550 | c->xmax = - x + s->mb_width *16 - 16; | |
551 | c->ymax = - y + s->mb_height*16 - 16; | |
552 | } | |
553 | if(!range || range > max_range) | |
554 | range = max_range; | |
555 | if(range){ | |
556 | c->xmin = FFMAX(c->xmin,-range); | |
557 | c->xmax = FFMIN(c->xmax, range); | |
558 | c->ymin = FFMAX(c->ymin,-range); | |
559 | c->ymax = FFMIN(c->ymax, range); | |
560 | } | |
561 | } | |
562 | ||
563 | static inline void init_mv4_ref(MotionEstContext *c){ | |
564 | const int stride= c->stride; | |
565 | ||
566 | c->ref[1][0] = c->ref[0][0] + 8; | |
567 | c->ref[2][0] = c->ref[0][0] + 8*stride; | |
568 | c->ref[3][0] = c->ref[2][0] + 8; | |
569 | c->src[1][0] = c->src[0][0] + 8; | |
570 | c->src[2][0] = c->src[0][0] + 8*stride; | |
571 | c->src[3][0] = c->src[2][0] + 8; | |
572 | } | |
573 | ||
574 | static inline int h263_mv4_search(MpegEncContext *s, int mx, int my, int shift) | |
575 | { | |
576 | MotionEstContext * const c= &s->me; | |
577 | const int size= 1; | |
578 | const int h=8; | |
579 | int block; | |
580 | int P[10][2]; | |
581 | int dmin_sum=0, mx4_sum=0, my4_sum=0, i; | |
582 | int same=1; | |
583 | const int stride= c->stride; | |
584 | uint8_t *mv_penalty= c->current_mv_penalty; | |
585 | int saftey_cliping= s->unrestricted_mv && (s->width&15) && (s->height&15); | |
586 | ||
587 | init_mv4_ref(c); | |
588 | ||
589 | for(block=0; block<4; block++){ | |
590 | int mx4, my4; | |
591 | int pred_x4, pred_y4; | |
592 | int dmin4; | |
593 | static const int off[4]= {2, 1, 1, -1}; | |
594 | const int mot_stride = s->b8_stride; | |
595 | const int mot_xy = s->block_index[block]; | |
596 | ||
597 | if(saftey_cliping){ | |
598 | c->xmax = - 16*s->mb_x + s->width - 8*(block &1); | |
599 | c->ymax = - 16*s->mb_y + s->height - 8*(block>>1); | |
600 | } | |
601 | ||
602 | P_LEFT[0] = s->current_picture.motion_val[0][mot_xy - 1][0]; | |
603 | P_LEFT[1] = s->current_picture.motion_val[0][mot_xy - 1][1]; | |
604 | ||
605 | if(P_LEFT[0] > (c->xmax<<shift)) P_LEFT[0] = (c->xmax<<shift); | |
606 | ||
607 | /* special case for first line */ | |
608 | if (s->first_slice_line && block<2) { | |
609 | c->pred_x= pred_x4= P_LEFT[0]; | |
610 | c->pred_y= pred_y4= P_LEFT[1]; | |
611 | } else { | |
612 | P_TOP[0] = s->current_picture.motion_val[0][mot_xy - mot_stride ][0]; | |
613 | P_TOP[1] = s->current_picture.motion_val[0][mot_xy - mot_stride ][1]; | |
614 | P_TOPRIGHT[0] = s->current_picture.motion_val[0][mot_xy - mot_stride + off[block]][0]; | |
615 | P_TOPRIGHT[1] = s->current_picture.motion_val[0][mot_xy - mot_stride + off[block]][1]; | |
616 | if(P_TOP[1] > (c->ymax<<shift)) P_TOP[1] = (c->ymax<<shift); | |
617 | if(P_TOPRIGHT[0] < (c->xmin<<shift)) P_TOPRIGHT[0]= (c->xmin<<shift); | |
618 | if(P_TOPRIGHT[0] > (c->xmax<<shift)) P_TOPRIGHT[0]= (c->xmax<<shift); | |
619 | if(P_TOPRIGHT[1] > (c->ymax<<shift)) P_TOPRIGHT[1]= (c->ymax<<shift); | |
620 | ||
621 | P_MEDIAN[0]= mid_pred(P_LEFT[0], P_TOP[0], P_TOPRIGHT[0]); | |
622 | P_MEDIAN[1]= mid_pred(P_LEFT[1], P_TOP[1], P_TOPRIGHT[1]); | |
623 | ||
624 | c->pred_x= pred_x4 = P_MEDIAN[0]; | |
625 | c->pred_y= pred_y4 = P_MEDIAN[1]; | |
626 | } | |
627 | P_MV1[0]= mx; | |
628 | P_MV1[1]= my; | |
629 | if(saftey_cliping) | |
630 | for(i=1; i<10; i++){ | |
631 | if (s->first_slice_line && block<2 && i>1 && i<9) | |
632 | continue; | |
633 | if (i>4 && i<9) | |
634 | continue; | |
635 | if(P[i][0] > (c->xmax<<shift)) P[i][0]= (c->xmax<<shift); | |
636 | if(P[i][1] > (c->ymax<<shift)) P[i][1]= (c->ymax<<shift); | |
637 | } | |
638 | ||
639 | dmin4 = epzs_motion_search4(s, &mx4, &my4, P, block, block, s->p_mv_table, (1<<16)>>shift); | |
640 | ||
641 | dmin4= c->sub_motion_search(s, &mx4, &my4, dmin4, block, block, size, h); | |
642 | ||
643 | if (s->mecc.me_sub_cmp[0] != s->mecc.mb_cmp[0]) { | |
644 | int dxy; | |
645 | const int offset= ((block&1) + (block>>1)*stride)*8; | |
646 | uint8_t *dest_y = c->scratchpad + offset; | |
647 | if(s->quarter_sample){ | |
648 | uint8_t *ref= c->ref[block][0] + (mx4>>2) + (my4>>2)*stride; | |
649 | dxy = ((my4 & 3) << 2) | (mx4 & 3); | |
650 | ||
651 | if(s->no_rounding) | |
652 | s->qdsp.put_no_rnd_qpel_pixels_tab[1][dxy](dest_y, ref, stride); | |
653 | else | |
654 | s->qdsp.put_qpel_pixels_tab[1][dxy](dest_y, ref, stride); | |
655 | }else{ | |
656 | uint8_t *ref= c->ref[block][0] + (mx4>>1) + (my4>>1)*stride; | |
657 | dxy = ((my4 & 1) << 1) | (mx4 & 1); | |
658 | ||
659 | if(s->no_rounding) | |
660 | s->hdsp.put_no_rnd_pixels_tab[1][dxy](dest_y , ref , stride, h); | |
661 | else | |
662 | s->hdsp.put_pixels_tab [1][dxy](dest_y , ref , stride, h); | |
663 | } | |
664 | dmin_sum+= (mv_penalty[mx4-pred_x4] + mv_penalty[my4-pred_y4])*c->mb_penalty_factor; | |
665 | }else | |
666 | dmin_sum+= dmin4; | |
667 | ||
668 | if(s->quarter_sample){ | |
669 | mx4_sum+= mx4/2; | |
670 | my4_sum+= my4/2; | |
671 | }else{ | |
672 | mx4_sum+= mx4; | |
673 | my4_sum+= my4; | |
674 | } | |
675 | ||
676 | s->current_picture.motion_val[0][s->block_index[block]][0] = mx4; | |
677 | s->current_picture.motion_val[0][s->block_index[block]][1] = my4; | |
678 | ||
679 | if(mx4 != mx || my4 != my) same=0; | |
680 | } | |
681 | ||
682 | if(same) | |
683 | return INT_MAX; | |
684 | ||
685 | if (s->mecc.me_sub_cmp[0] != s->mecc.mb_cmp[0]) { | |
686 | dmin_sum += s->mecc.mb_cmp[0](s, | |
687 | s->new_picture.f->data[0] + | |
688 | s->mb_x * 16 + s->mb_y * 16 * stride, | |
689 | c->scratchpad, stride, 16); | |
690 | } | |
691 | ||
692 | if(c->avctx->mb_cmp&FF_CMP_CHROMA){ | |
693 | int dxy; | |
694 | int mx, my; | |
695 | int offset; | |
696 | ||
697 | mx= ff_h263_round_chroma(mx4_sum); | |
698 | my= ff_h263_round_chroma(my4_sum); | |
699 | dxy = ((my & 1) << 1) | (mx & 1); | |
700 | ||
701 | offset= (s->mb_x*8 + (mx>>1)) + (s->mb_y*8 + (my>>1))*s->uvlinesize; | |
702 | ||
703 | if(s->no_rounding){ | |
704 | s->hdsp.put_no_rnd_pixels_tab[1][dxy](c->scratchpad , s->last_picture.f->data[1] + offset, s->uvlinesize, 8); | |
705 | s->hdsp.put_no_rnd_pixels_tab[1][dxy](c->scratchpad + 8, s->last_picture.f->data[2] + offset, s->uvlinesize, 8); | |
706 | }else{ | |
707 | s->hdsp.put_pixels_tab [1][dxy](c->scratchpad , s->last_picture.f->data[1] + offset, s->uvlinesize, 8); | |
708 | s->hdsp.put_pixels_tab [1][dxy](c->scratchpad + 8, s->last_picture.f->data[2] + offset, s->uvlinesize, 8); | |
709 | } | |
710 | ||
711 | dmin_sum += s->mecc.mb_cmp[1](s, s->new_picture.f->data[1] + s->mb_x * 8 + s->mb_y * 8 * s->uvlinesize, c->scratchpad, s->uvlinesize, 8); | |
712 | dmin_sum += s->mecc.mb_cmp[1](s, s->new_picture.f->data[2] + s->mb_x * 8 + s->mb_y * 8 * s->uvlinesize, c->scratchpad + 8, s->uvlinesize, 8); | |
713 | } | |
714 | ||
715 | c->pred_x= mx; | |
716 | c->pred_y= my; | |
717 | ||
718 | switch(c->avctx->mb_cmp&0xFF){ | |
719 | /*case FF_CMP_SSE: | |
720 | return dmin_sum+ 32*s->qscale*s->qscale;*/ | |
721 | case FF_CMP_RD: | |
722 | return dmin_sum; | |
723 | default: | |
724 | return dmin_sum+ 11*c->mb_penalty_factor; | |
725 | } | |
726 | } | |
727 | ||
728 | static inline void init_interlaced_ref(MpegEncContext *s, int ref_index){ | |
729 | MotionEstContext * const c= &s->me; | |
730 | ||
731 | c->ref[1+ref_index][0] = c->ref[0+ref_index][0] + s->linesize; | |
732 | c->src[1][0] = c->src[0][0] + s->linesize; | |
733 | if(c->flags & FLAG_CHROMA){ | |
734 | c->ref[1+ref_index][1] = c->ref[0+ref_index][1] + s->uvlinesize; | |
735 | c->ref[1+ref_index][2] = c->ref[0+ref_index][2] + s->uvlinesize; | |
736 | c->src[1][1] = c->src[0][1] + s->uvlinesize; | |
737 | c->src[1][2] = c->src[0][2] + s->uvlinesize; | |
738 | } | |
739 | } | |
740 | ||
741 | static int interlaced_search(MpegEncContext *s, int ref_index, | |
742 | int16_t (*mv_tables[2][2])[2], uint8_t *field_select_tables[2], int mx, int my, int user_field_select) | |
743 | { | |
744 | MotionEstContext * const c= &s->me; | |
745 | const int size=0; | |
746 | const int h=8; | |
747 | int block; | |
748 | int P[10][2]; | |
749 | uint8_t * const mv_penalty= c->current_mv_penalty; | |
750 | int same=1; | |
751 | const int stride= 2*s->linesize; | |
752 | int dmin_sum= 0; | |
753 | const int mot_stride= s->mb_stride; | |
754 | const int xy= s->mb_x + s->mb_y*mot_stride; | |
755 | ||
756 | c->ymin>>=1; | |
757 | c->ymax>>=1; | |
758 | c->stride<<=1; | |
759 | c->uvstride<<=1; | |
760 | init_interlaced_ref(s, ref_index); | |
761 | ||
762 | for(block=0; block<2; block++){ | |
763 | int field_select; | |
764 | int best_dmin= INT_MAX; | |
765 | int best_field= -1; | |
766 | ||
767 | for(field_select=0; field_select<2; field_select++){ | |
768 | int dmin, mx_i, my_i; | |
769 | int16_t (*mv_table)[2]= mv_tables[block][field_select]; | |
770 | ||
771 | if(user_field_select){ | |
772 | av_assert1(field_select==0 || field_select==1); | |
773 | av_assert1(field_select_tables[block][xy]==0 || field_select_tables[block][xy]==1); | |
774 | if(field_select_tables[block][xy] != field_select) | |
775 | continue; | |
776 | } | |
777 | ||
778 | P_LEFT[0] = mv_table[xy - 1][0]; | |
779 | P_LEFT[1] = mv_table[xy - 1][1]; | |
780 | if(P_LEFT[0] > (c->xmax<<1)) P_LEFT[0] = (c->xmax<<1); | |
781 | ||
782 | c->pred_x= P_LEFT[0]; | |
783 | c->pred_y= P_LEFT[1]; | |
784 | ||
785 | if(!s->first_slice_line){ | |
786 | P_TOP[0] = mv_table[xy - mot_stride][0]; | |
787 | P_TOP[1] = mv_table[xy - mot_stride][1]; | |
788 | P_TOPRIGHT[0] = mv_table[xy - mot_stride + 1][0]; | |
789 | P_TOPRIGHT[1] = mv_table[xy - mot_stride + 1][1]; | |
790 | if(P_TOP[1] > (c->ymax<<1)) P_TOP[1] = (c->ymax<<1); | |
791 | if(P_TOPRIGHT[0] < (c->xmin<<1)) P_TOPRIGHT[0]= (c->xmin<<1); | |
792 | if(P_TOPRIGHT[0] > (c->xmax<<1)) P_TOPRIGHT[0]= (c->xmax<<1); | |
793 | if(P_TOPRIGHT[1] > (c->ymax<<1)) P_TOPRIGHT[1]= (c->ymax<<1); | |
794 | ||
795 | P_MEDIAN[0]= mid_pred(P_LEFT[0], P_TOP[0], P_TOPRIGHT[0]); | |
796 | P_MEDIAN[1]= mid_pred(P_LEFT[1], P_TOP[1], P_TOPRIGHT[1]); | |
797 | } | |
798 | P_MV1[0]= mx; //FIXME not correct if block != field_select | |
799 | P_MV1[1]= my / 2; | |
800 | ||
801 | dmin = epzs_motion_search2(s, &mx_i, &my_i, P, block, field_select+ref_index, mv_table, (1<<16)>>1); | |
802 | ||
803 | dmin= c->sub_motion_search(s, &mx_i, &my_i, dmin, block, field_select+ref_index, size, h); | |
804 | ||
805 | mv_table[xy][0]= mx_i; | |
806 | mv_table[xy][1]= my_i; | |
807 | ||
808 | if (s->mecc.me_sub_cmp[0] != s->mecc.mb_cmp[0]) { | |
809 | int dxy; | |
810 | ||
811 | //FIXME chroma ME | |
812 | uint8_t *ref= c->ref[field_select+ref_index][0] + (mx_i>>1) + (my_i>>1)*stride; | |
813 | dxy = ((my_i & 1) << 1) | (mx_i & 1); | |
814 | ||
815 | if(s->no_rounding){ | |
816 | s->hdsp.put_no_rnd_pixels_tab[size][dxy](c->scratchpad, ref , stride, h); | |
817 | }else{ | |
818 | s->hdsp.put_pixels_tab [size][dxy](c->scratchpad, ref , stride, h); | |
819 | } | |
820 | dmin = s->mecc.mb_cmp[size](s, c->src[block][0], c->scratchpad, stride, h); | |
821 | dmin+= (mv_penalty[mx_i-c->pred_x] + mv_penalty[my_i-c->pred_y] + 1)*c->mb_penalty_factor; | |
822 | }else | |
823 | dmin+= c->mb_penalty_factor; //field_select bits | |
824 | ||
825 | dmin += field_select != block; //slightly prefer same field | |
826 | ||
827 | if(dmin < best_dmin){ | |
828 | best_dmin= dmin; | |
829 | best_field= field_select; | |
830 | } | |
831 | } | |
832 | { | |
833 | int16_t (*mv_table)[2]= mv_tables[block][best_field]; | |
834 | ||
835 | if(mv_table[xy][0] != mx) same=0; //FIXME check if these checks work and are any good at all | |
836 | if(mv_table[xy][1]&1) same=0; | |
837 | if(mv_table[xy][1]*2 != my) same=0; | |
838 | if(best_field != block) same=0; | |
839 | } | |
840 | ||
841 | field_select_tables[block][xy]= best_field; | |
842 | dmin_sum += best_dmin; | |
843 | } | |
844 | ||
845 | c->ymin<<=1; | |
846 | c->ymax<<=1; | |
847 | c->stride>>=1; | |
848 | c->uvstride>>=1; | |
849 | ||
850 | if(same) | |
851 | return INT_MAX; | |
852 | ||
853 | switch(c->avctx->mb_cmp&0xFF){ | |
854 | /*case FF_CMP_SSE: | |
855 | return dmin_sum+ 32*s->qscale*s->qscale;*/ | |
856 | case FF_CMP_RD: | |
857 | return dmin_sum; | |
858 | default: | |
859 | return dmin_sum+ 11*c->mb_penalty_factor; | |
860 | } | |
861 | } | |
862 | ||
863 | static inline int get_penalty_factor(int lambda, int lambda2, int type){ | |
864 | switch(type&0xFF){ | |
865 | default: | |
866 | case FF_CMP_SAD: | |
867 | return lambda>>FF_LAMBDA_SHIFT; | |
868 | case FF_CMP_DCT: | |
869 | return (3*lambda)>>(FF_LAMBDA_SHIFT+1); | |
870 | case FF_CMP_W53: | |
871 | return (4*lambda)>>(FF_LAMBDA_SHIFT); | |
872 | case FF_CMP_W97: | |
873 | return (2*lambda)>>(FF_LAMBDA_SHIFT); | |
874 | case FF_CMP_SATD: | |
875 | case FF_CMP_DCT264: | |
876 | return (2*lambda)>>FF_LAMBDA_SHIFT; | |
877 | case FF_CMP_RD: | |
878 | case FF_CMP_PSNR: | |
879 | case FF_CMP_SSE: | |
880 | case FF_CMP_NSSE: | |
881 | return lambda2>>FF_LAMBDA_SHIFT; | |
882 | case FF_CMP_BIT: | |
883 | return 1; | |
884 | } | |
885 | } | |
886 | ||
887 | void ff_estimate_p_frame_motion(MpegEncContext * s, | |
888 | int mb_x, int mb_y) | |
889 | { | |
890 | MotionEstContext * const c= &s->me; | |
891 | uint8_t *pix, *ppix; | |
892 | int sum, mx, my, dmin; | |
893 | int varc; ///< the variance of the block (sum of squared (p[y][x]-average)) | |
894 | int vard; ///< sum of squared differences with the estimated motion vector | |
895 | int P[10][2]; | |
896 | const int shift= 1+s->quarter_sample; | |
897 | int mb_type=0; | |
898 | Picture * const pic= &s->current_picture; | |
899 | ||
900 | init_ref(c, s->new_picture.f->data, s->last_picture.f->data, NULL, 16*mb_x, 16*mb_y, 0); | |
901 | ||
902 | av_assert0(s->quarter_sample==0 || s->quarter_sample==1); | |
903 | av_assert0(s->linesize == c->stride); | |
904 | av_assert0(s->uvlinesize == c->uvstride); | |
905 | ||
906 | c->penalty_factor = get_penalty_factor(s->lambda, s->lambda2, c->avctx->me_cmp); | |
907 | c->sub_penalty_factor= get_penalty_factor(s->lambda, s->lambda2, c->avctx->me_sub_cmp); | |
908 | c->mb_penalty_factor = get_penalty_factor(s->lambda, s->lambda2, c->avctx->mb_cmp); | |
909 | c->current_mv_penalty= c->mv_penalty[s->f_code] + MAX_MV; | |
910 | ||
911 | get_limits(s, 16*mb_x, 16*mb_y); | |
912 | c->skip=0; | |
913 | ||
914 | /* intra / predictive decision */ | |
915 | pix = c->src[0][0]; | |
916 | sum = s->mpvencdsp.pix_sum(pix, s->linesize); | |
917 | varc = s->mpvencdsp.pix_norm1(pix, s->linesize) - | |
918 | (((unsigned) sum * sum) >> 8) + 500; | |
919 | ||
920 | pic->mb_mean[s->mb_stride * mb_y + mb_x] = (sum+128)>>8; | |
921 | pic->mb_var [s->mb_stride * mb_y + mb_x] = (varc+128)>>8; | |
922 | c->mb_var_sum_temp += (varc+128)>>8; | |
923 | ||
924 | switch(s->me_method) { | |
925 | case ME_ZERO: | |
926 | default: | |
927 | mx = 0; | |
928 | my = 0; | |
929 | dmin = 0; | |
930 | break; | |
931 | case ME_X1: | |
932 | case ME_EPZS: | |
933 | { | |
934 | const int mot_stride = s->b8_stride; | |
935 | const int mot_xy = s->block_index[0]; | |
936 | ||
937 | P_LEFT[0] = s->current_picture.motion_val[0][mot_xy - 1][0]; | |
938 | P_LEFT[1] = s->current_picture.motion_val[0][mot_xy - 1][1]; | |
939 | ||
940 | if(P_LEFT[0] > (c->xmax<<shift)) P_LEFT[0] = (c->xmax<<shift); | |
941 | ||
942 | if(!s->first_slice_line) { | |
943 | P_TOP[0] = s->current_picture.motion_val[0][mot_xy - mot_stride ][0]; | |
944 | P_TOP[1] = s->current_picture.motion_val[0][mot_xy - mot_stride ][1]; | |
945 | P_TOPRIGHT[0] = s->current_picture.motion_val[0][mot_xy - mot_stride + 2][0]; | |
946 | P_TOPRIGHT[1] = s->current_picture.motion_val[0][mot_xy - mot_stride + 2][1]; | |
947 | if(P_TOP[1] > (c->ymax<<shift)) P_TOP[1] = (c->ymax<<shift); | |
948 | if(P_TOPRIGHT[0] < (c->xmin<<shift)) P_TOPRIGHT[0]= (c->xmin<<shift); | |
949 | if(P_TOPRIGHT[1] > (c->ymax<<shift)) P_TOPRIGHT[1]= (c->ymax<<shift); | |
950 | ||
951 | P_MEDIAN[0]= mid_pred(P_LEFT[0], P_TOP[0], P_TOPRIGHT[0]); | |
952 | P_MEDIAN[1]= mid_pred(P_LEFT[1], P_TOP[1], P_TOPRIGHT[1]); | |
953 | ||
954 | if(s->out_format == FMT_H263){ | |
955 | c->pred_x = P_MEDIAN[0]; | |
956 | c->pred_y = P_MEDIAN[1]; | |
957 | }else { /* mpeg1 at least */ | |
958 | c->pred_x= P_LEFT[0]; | |
959 | c->pred_y= P_LEFT[1]; | |
960 | } | |
961 | }else{ | |
962 | c->pred_x= P_LEFT[0]; | |
963 | c->pred_y= P_LEFT[1]; | |
964 | } | |
965 | ||
966 | } | |
967 | dmin = ff_epzs_motion_search(s, &mx, &my, P, 0, 0, s->p_mv_table, (1<<16)>>shift, 0, 16); | |
968 | ||
969 | break; | |
970 | } | |
971 | ||
972 | /* At this point (mx,my) are full-pell and the relative displacement */ | |
973 | ppix = c->ref[0][0] + (my * s->linesize) + mx; | |
974 | ||
975 | vard = s->mecc.sse[0](NULL, pix, ppix, s->linesize, 16); | |
976 | ||
977 | pic->mc_mb_var[s->mb_stride * mb_y + mb_x] = (vard+128)>>8; | |
978 | c->mc_mb_var_sum_temp += (vard+128)>>8; | |
979 | ||
f6fa7814 | 980 | if (c->avctx->mb_decision > FF_MB_DECISION_SIMPLE) { |
2ba45a60 DM |
981 | int p_score= FFMIN(vard, varc-500+(s->lambda2>>FF_LAMBDA_SHIFT)*100); |
982 | int i_score= varc-500+(s->lambda2>>FF_LAMBDA_SHIFT)*20; | |
983 | c->scene_change_score+= ff_sqrt(p_score) - ff_sqrt(i_score); | |
984 | ||
985 | if (vard*2 + 200*256 > varc) | |
986 | mb_type|= CANDIDATE_MB_TYPE_INTRA; | |
987 | if (varc*2 + 200*256 > vard || s->qscale > 24){ | |
988 | // if (varc*2 + 200*256 + 50*(s->lambda2>>FF_LAMBDA_SHIFT) > vard){ | |
989 | mb_type|= CANDIDATE_MB_TYPE_INTER; | |
990 | c->sub_motion_search(s, &mx, &my, dmin, 0, 0, 0, 16); | |
991 | if (s->mpv_flags & FF_MPV_FLAG_MV0) | |
992 | if(mx || my) | |
993 | mb_type |= CANDIDATE_MB_TYPE_SKIPPED; //FIXME check difference | |
994 | }else{ | |
995 | mx <<=shift; | |
996 | my <<=shift; | |
997 | } | |
998 | if((s->flags&CODEC_FLAG_4MV) | |
999 | && !c->skip && varc>50<<8 && vard>10<<8){ | |
1000 | if(h263_mv4_search(s, mx, my, shift) < INT_MAX) | |
1001 | mb_type|=CANDIDATE_MB_TYPE_INTER4V; | |
1002 | ||
1003 | set_p_mv_tables(s, mx, my, 0); | |
1004 | }else | |
1005 | set_p_mv_tables(s, mx, my, 1); | |
1006 | if((s->flags&CODEC_FLAG_INTERLACED_ME) | |
1007 | && !c->skip){ //FIXME varc/d checks | |
1008 | if(interlaced_search(s, 0, s->p_field_mv_table, s->p_field_select_table, mx, my, 0) < INT_MAX) | |
1009 | mb_type |= CANDIDATE_MB_TYPE_INTER_I; | |
1010 | } | |
1011 | }else{ | |
1012 | int intra_score, i; | |
1013 | mb_type= CANDIDATE_MB_TYPE_INTER; | |
1014 | ||
1015 | dmin= c->sub_motion_search(s, &mx, &my, dmin, 0, 0, 0, 16); | |
1016 | if(c->avctx->me_sub_cmp != c->avctx->mb_cmp && !c->skip) | |
1017 | dmin= get_mb_score(s, mx, my, 0, 0, 0, 16, 1); | |
1018 | ||
1019 | if((s->flags&CODEC_FLAG_4MV) | |
1020 | && !c->skip && varc>50<<8 && vard>10<<8){ | |
1021 | int dmin4= h263_mv4_search(s, mx, my, shift); | |
1022 | if(dmin4 < dmin){ | |
1023 | mb_type= CANDIDATE_MB_TYPE_INTER4V; | |
1024 | dmin=dmin4; | |
1025 | } | |
1026 | } | |
1027 | if((s->flags&CODEC_FLAG_INTERLACED_ME) | |
1028 | && !c->skip){ //FIXME varc/d checks | |
1029 | int dmin_i= interlaced_search(s, 0, s->p_field_mv_table, s->p_field_select_table, mx, my, 0); | |
1030 | if(dmin_i < dmin){ | |
1031 | mb_type = CANDIDATE_MB_TYPE_INTER_I; | |
1032 | dmin= dmin_i; | |
1033 | } | |
1034 | } | |
1035 | ||
1036 | set_p_mv_tables(s, mx, my, mb_type!=CANDIDATE_MB_TYPE_INTER4V); | |
1037 | ||
1038 | /* get intra luma score */ | |
1039 | if((c->avctx->mb_cmp&0xFF)==FF_CMP_SSE){ | |
1040 | intra_score= varc - 500; | |
1041 | }else{ | |
1042 | unsigned mean = (sum+128)>>8; | |
1043 | mean*= 0x01010101; | |
1044 | ||
1045 | for(i=0; i<16; i++){ | |
1046 | *(uint32_t*)(&c->scratchpad[i*s->linesize+ 0]) = mean; | |
1047 | *(uint32_t*)(&c->scratchpad[i*s->linesize+ 4]) = mean; | |
1048 | *(uint32_t*)(&c->scratchpad[i*s->linesize+ 8]) = mean; | |
1049 | *(uint32_t*)(&c->scratchpad[i*s->linesize+12]) = mean; | |
1050 | } | |
1051 | ||
1052 | intra_score= s->mecc.mb_cmp[0](s, c->scratchpad, pix, s->linesize, 16); | |
1053 | } | |
1054 | intra_score += c->mb_penalty_factor*16; | |
1055 | ||
1056 | if(intra_score < dmin){ | |
1057 | mb_type= CANDIDATE_MB_TYPE_INTRA; | |
1058 | s->current_picture.mb_type[mb_y*s->mb_stride + mb_x] = CANDIDATE_MB_TYPE_INTRA; //FIXME cleanup | |
1059 | }else | |
1060 | s->current_picture.mb_type[mb_y*s->mb_stride + mb_x] = 0; | |
1061 | ||
1062 | { | |
1063 | int p_score= FFMIN(vard, varc-500+(s->lambda2>>FF_LAMBDA_SHIFT)*100); | |
1064 | int i_score= varc-500+(s->lambda2>>FF_LAMBDA_SHIFT)*20; | |
1065 | c->scene_change_score+= ff_sqrt(p_score) - ff_sqrt(i_score); | |
1066 | } | |
1067 | } | |
1068 | ||
1069 | s->mb_type[mb_y*s->mb_stride + mb_x]= mb_type; | |
1070 | } | |
1071 | ||
1072 | int ff_pre_estimate_p_frame_motion(MpegEncContext * s, | |
1073 | int mb_x, int mb_y) | |
1074 | { | |
1075 | MotionEstContext * const c= &s->me; | |
1076 | int mx, my, dmin; | |
1077 | int P[10][2]; | |
1078 | const int shift= 1+s->quarter_sample; | |
1079 | const int xy= mb_x + mb_y*s->mb_stride; | |
1080 | init_ref(c, s->new_picture.f->data, s->last_picture.f->data, NULL, 16*mb_x, 16*mb_y, 0); | |
1081 | ||
1082 | av_assert0(s->quarter_sample==0 || s->quarter_sample==1); | |
1083 | ||
1084 | c->pre_penalty_factor = get_penalty_factor(s->lambda, s->lambda2, c->avctx->me_pre_cmp); | |
1085 | c->current_mv_penalty= c->mv_penalty[s->f_code] + MAX_MV; | |
1086 | ||
1087 | get_limits(s, 16*mb_x, 16*mb_y); | |
1088 | c->skip=0; | |
1089 | ||
1090 | P_LEFT[0] = s->p_mv_table[xy + 1][0]; | |
1091 | P_LEFT[1] = s->p_mv_table[xy + 1][1]; | |
1092 | ||
1093 | if(P_LEFT[0] < (c->xmin<<shift)) P_LEFT[0] = (c->xmin<<shift); | |
1094 | ||
1095 | /* special case for first line */ | |
1096 | if (s->first_slice_line) { | |
1097 | c->pred_x= P_LEFT[0]; | |
1098 | c->pred_y= P_LEFT[1]; | |
1099 | P_TOP[0]= P_TOPRIGHT[0]= P_MEDIAN[0]= | |
1100 | P_TOP[1]= P_TOPRIGHT[1]= P_MEDIAN[1]= 0; //FIXME | |
1101 | } else { | |
1102 | P_TOP[0] = s->p_mv_table[xy + s->mb_stride ][0]; | |
1103 | P_TOP[1] = s->p_mv_table[xy + s->mb_stride ][1]; | |
1104 | P_TOPRIGHT[0] = s->p_mv_table[xy + s->mb_stride - 1][0]; | |
1105 | P_TOPRIGHT[1] = s->p_mv_table[xy + s->mb_stride - 1][1]; | |
1106 | if(P_TOP[1] < (c->ymin<<shift)) P_TOP[1] = (c->ymin<<shift); | |
1107 | if(P_TOPRIGHT[0] > (c->xmax<<shift)) P_TOPRIGHT[0]= (c->xmax<<shift); | |
1108 | if(P_TOPRIGHT[1] < (c->ymin<<shift)) P_TOPRIGHT[1]= (c->ymin<<shift); | |
1109 | ||
1110 | P_MEDIAN[0]= mid_pred(P_LEFT[0], P_TOP[0], P_TOPRIGHT[0]); | |
1111 | P_MEDIAN[1]= mid_pred(P_LEFT[1], P_TOP[1], P_TOPRIGHT[1]); | |
1112 | ||
1113 | c->pred_x = P_MEDIAN[0]; | |
1114 | c->pred_y = P_MEDIAN[1]; | |
1115 | } | |
1116 | ||
1117 | dmin = ff_epzs_motion_search(s, &mx, &my, P, 0, 0, s->p_mv_table, (1<<16)>>shift, 0, 16); | |
1118 | ||
1119 | s->p_mv_table[xy][0] = mx<<shift; | |
1120 | s->p_mv_table[xy][1] = my<<shift; | |
1121 | ||
1122 | return dmin; | |
1123 | } | |
1124 | ||
1125 | static int estimate_motion_b(MpegEncContext *s, int mb_x, int mb_y, | |
1126 | int16_t (*mv_table)[2], int ref_index, int f_code) | |
1127 | { | |
1128 | MotionEstContext * const c= &s->me; | |
1129 | int mx, my, dmin; | |
1130 | int P[10][2]; | |
1131 | const int shift= 1+s->quarter_sample; | |
1132 | const int mot_stride = s->mb_stride; | |
1133 | const int mot_xy = mb_y*mot_stride + mb_x; | |
1134 | uint8_t * const mv_penalty= c->mv_penalty[f_code] + MAX_MV; | |
1135 | int mv_scale; | |
1136 | ||
1137 | c->penalty_factor = get_penalty_factor(s->lambda, s->lambda2, c->avctx->me_cmp); | |
1138 | c->sub_penalty_factor= get_penalty_factor(s->lambda, s->lambda2, c->avctx->me_sub_cmp); | |
1139 | c->mb_penalty_factor = get_penalty_factor(s->lambda, s->lambda2, c->avctx->mb_cmp); | |
1140 | c->current_mv_penalty= mv_penalty; | |
1141 | ||
1142 | get_limits(s, 16*mb_x, 16*mb_y); | |
1143 | ||
1144 | switch(s->me_method) { | |
1145 | case ME_ZERO: | |
1146 | default: | |
1147 | mx = 0; | |
1148 | my = 0; | |
1149 | dmin = 0; | |
1150 | break; | |
1151 | case ME_X1: | |
1152 | case ME_EPZS: | |
1153 | P_LEFT[0] = mv_table[mot_xy - 1][0]; | |
1154 | P_LEFT[1] = mv_table[mot_xy - 1][1]; | |
1155 | ||
1156 | if (P_LEFT[0] > (c->xmax << shift)) P_LEFT[0] = (c->xmax << shift); | |
1157 | ||
1158 | /* special case for first line */ | |
1159 | if (!s->first_slice_line) { | |
1160 | P_TOP[0] = mv_table[mot_xy - mot_stride ][0]; | |
1161 | P_TOP[1] = mv_table[mot_xy - mot_stride ][1]; | |
1162 | P_TOPRIGHT[0] = mv_table[mot_xy - mot_stride + 1][0]; | |
1163 | P_TOPRIGHT[1] = mv_table[mot_xy - mot_stride + 1][1]; | |
1164 | if (P_TOP[1] > (c->ymax << shift)) P_TOP[1] = (c->ymax << shift); | |
1165 | if (P_TOPRIGHT[0] < (c->xmin << shift)) P_TOPRIGHT[0] = (c->xmin << shift); | |
1166 | if (P_TOPRIGHT[1] > (c->ymax << shift)) P_TOPRIGHT[1] = (c->ymax << shift); | |
1167 | ||
1168 | P_MEDIAN[0] = mid_pred(P_LEFT[0], P_TOP[0], P_TOPRIGHT[0]); | |
1169 | P_MEDIAN[1] = mid_pred(P_LEFT[1], P_TOP[1], P_TOPRIGHT[1]); | |
1170 | } | |
1171 | c->pred_x = P_LEFT[0]; | |
1172 | c->pred_y = P_LEFT[1]; | |
1173 | ||
1174 | if(mv_table == s->b_forw_mv_table){ | |
1175 | mv_scale= (s->pb_time<<16) / (s->pp_time<<shift); | |
1176 | }else{ | |
1177 | mv_scale= ((s->pb_time - s->pp_time)<<16) / (s->pp_time<<shift); | |
1178 | } | |
1179 | ||
1180 | dmin = ff_epzs_motion_search(s, &mx, &my, P, 0, ref_index, s->p_mv_table, mv_scale, 0, 16); | |
1181 | ||
1182 | break; | |
1183 | } | |
1184 | ||
1185 | dmin= c->sub_motion_search(s, &mx, &my, dmin, 0, ref_index, 0, 16); | |
1186 | ||
1187 | if(c->avctx->me_sub_cmp != c->avctx->mb_cmp && !c->skip) | |
1188 | dmin= get_mb_score(s, mx, my, 0, ref_index, 0, 16, 1); | |
1189 | ||
1190 | // s->mb_type[mb_y*s->mb_width + mb_x]= mb_type; | |
1191 | mv_table[mot_xy][0]= mx; | |
1192 | mv_table[mot_xy][1]= my; | |
1193 | ||
1194 | return dmin; | |
1195 | } | |
1196 | ||
1197 | static inline int check_bidir_mv(MpegEncContext * s, | |
1198 | int motion_fx, int motion_fy, | |
1199 | int motion_bx, int motion_by, | |
1200 | int pred_fx, int pred_fy, | |
1201 | int pred_bx, int pred_by, | |
1202 | int size, int h) | |
1203 | { | |
1204 | //FIXME optimize? | |
1205 | //FIXME better f_code prediction (max mv & distance) | |
1206 | //FIXME pointers | |
1207 | MotionEstContext * const c= &s->me; | |
1208 | uint8_t * const mv_penalty_f= c->mv_penalty[s->f_code] + MAX_MV; // f_code of the prev frame | |
1209 | uint8_t * const mv_penalty_b= c->mv_penalty[s->b_code] + MAX_MV; // f_code of the prev frame | |
1210 | int stride= c->stride; | |
1211 | uint8_t *dest_y = c->scratchpad; | |
1212 | uint8_t *ptr; | |
1213 | int dxy; | |
1214 | int src_x, src_y; | |
1215 | int fbmin; | |
1216 | uint8_t **src_data= c->src[0]; | |
1217 | uint8_t **ref_data= c->ref[0]; | |
1218 | uint8_t **ref2_data= c->ref[2]; | |
1219 | ||
1220 | if(s->quarter_sample){ | |
1221 | dxy = ((motion_fy & 3) << 2) | (motion_fx & 3); | |
1222 | src_x = motion_fx >> 2; | |
1223 | src_y = motion_fy >> 2; | |
1224 | ||
1225 | ptr = ref_data[0] + (src_y * stride) + src_x; | |
1226 | s->qdsp.put_qpel_pixels_tab[0][dxy](dest_y, ptr, stride); | |
1227 | ||
1228 | dxy = ((motion_by & 3) << 2) | (motion_bx & 3); | |
1229 | src_x = motion_bx >> 2; | |
1230 | src_y = motion_by >> 2; | |
1231 | ||
1232 | ptr = ref2_data[0] + (src_y * stride) + src_x; | |
1233 | s->qdsp.avg_qpel_pixels_tab[size][dxy](dest_y, ptr, stride); | |
1234 | }else{ | |
1235 | dxy = ((motion_fy & 1) << 1) | (motion_fx & 1); | |
1236 | src_x = motion_fx >> 1; | |
1237 | src_y = motion_fy >> 1; | |
1238 | ||
1239 | ptr = ref_data[0] + (src_y * stride) + src_x; | |
1240 | s->hdsp.put_pixels_tab[size][dxy](dest_y , ptr , stride, h); | |
1241 | ||
1242 | dxy = ((motion_by & 1) << 1) | (motion_bx & 1); | |
1243 | src_x = motion_bx >> 1; | |
1244 | src_y = motion_by >> 1; | |
1245 | ||
1246 | ptr = ref2_data[0] + (src_y * stride) + src_x; | |
1247 | s->hdsp.avg_pixels_tab[size][dxy](dest_y , ptr , stride, h); | |
1248 | } | |
1249 | ||
1250 | fbmin = (mv_penalty_f[motion_fx-pred_fx] + mv_penalty_f[motion_fy-pred_fy])*c->mb_penalty_factor | |
1251 | +(mv_penalty_b[motion_bx-pred_bx] + mv_penalty_b[motion_by-pred_by])*c->mb_penalty_factor | |
1252 | + s->mecc.mb_cmp[size](s, src_data[0], dest_y, stride, h); // FIXME new_pic | |
1253 | ||
1254 | if(c->avctx->mb_cmp&FF_CMP_CHROMA){ | |
1255 | } | |
1256 | //FIXME CHROMA !!! | |
1257 | ||
1258 | return fbmin; | |
1259 | } | |
1260 | ||
1261 | /* refine the bidir vectors in hq mode and return the score in both lq & hq mode*/ | |
1262 | static inline int bidir_refine(MpegEncContext * s, int mb_x, int mb_y) | |
1263 | { | |
1264 | MotionEstContext * const c= &s->me; | |
1265 | const int mot_stride = s->mb_stride; | |
1266 | const int xy = mb_y *mot_stride + mb_x; | |
1267 | int fbmin; | |
1268 | int pred_fx= s->b_bidir_forw_mv_table[xy-1][0]; | |
1269 | int pred_fy= s->b_bidir_forw_mv_table[xy-1][1]; | |
1270 | int pred_bx= s->b_bidir_back_mv_table[xy-1][0]; | |
1271 | int pred_by= s->b_bidir_back_mv_table[xy-1][1]; | |
1272 | int motion_fx= s->b_bidir_forw_mv_table[xy][0]= s->b_forw_mv_table[xy][0]; | |
1273 | int motion_fy= s->b_bidir_forw_mv_table[xy][1]= s->b_forw_mv_table[xy][1]; | |
1274 | int motion_bx= s->b_bidir_back_mv_table[xy][0]= s->b_back_mv_table[xy][0]; | |
1275 | int motion_by= s->b_bidir_back_mv_table[xy][1]= s->b_back_mv_table[xy][1]; | |
1276 | const int flags= c->sub_flags; | |
1277 | const int qpel= flags&FLAG_QPEL; | |
1278 | const int shift= 1+qpel; | |
1279 | const int xmin= c->xmin<<shift; | |
1280 | const int ymin= c->ymin<<shift; | |
1281 | const int xmax= c->xmax<<shift; | |
1282 | const int ymax= c->ymax<<shift; | |
1283 | #define HASH(fx,fy,bx,by) ((fx)+17*(fy)+63*(bx)+117*(by)) | |
1284 | #define HASH8(fx,fy,bx,by) ((uint8_t)HASH(fx,fy,bx,by)) | |
1285 | int hashidx= HASH(motion_fx,motion_fy, motion_bx, motion_by); | |
1286 | uint8_t map[256] = { 0 }; | |
1287 | ||
1288 | map[hashidx&255] = 1; | |
1289 | ||
1290 | fbmin= check_bidir_mv(s, motion_fx, motion_fy, | |
1291 | motion_bx, motion_by, | |
1292 | pred_fx, pred_fy, | |
1293 | pred_bx, pred_by, | |
1294 | 0, 16); | |
1295 | ||
1296 | if(s->avctx->bidir_refine){ | |
1297 | int end; | |
1298 | static const uint8_t limittab[5]={0,8,32,64,80}; | |
1299 | const int limit= limittab[s->avctx->bidir_refine]; | |
1300 | static const int8_t vect[][4]={ | |
1301 | { 0, 0, 0, 1}, { 0, 0, 0,-1}, { 0, 0, 1, 0}, { 0, 0,-1, 0}, { 0, 1, 0, 0}, { 0,-1, 0, 0}, { 1, 0, 0, 0}, {-1, 0, 0, 0}, | |
1302 | ||
1303 | { 0, 0, 1, 1}, { 0, 0,-1,-1}, { 0, 1, 1, 0}, { 0,-1,-1, 0}, { 1, 1, 0, 0}, {-1,-1, 0, 0}, { 1, 0, 0, 1}, {-1, 0, 0,-1}, | |
1304 | { 0, 1, 0, 1}, { 0,-1, 0,-1}, { 1, 0, 1, 0}, {-1, 0,-1, 0}, | |
1305 | { 0, 0,-1, 1}, { 0, 0, 1,-1}, { 0,-1, 1, 0}, { 0, 1,-1, 0}, {-1, 1, 0, 0}, { 1,-1, 0, 0}, { 1, 0, 0,-1}, {-1, 0, 0, 1}, | |
1306 | { 0,-1, 0, 1}, { 0, 1, 0,-1}, {-1, 0, 1, 0}, { 1, 0,-1, 0}, | |
1307 | ||
1308 | { 0, 1, 1, 1}, { 0,-1,-1,-1}, { 1, 1, 1, 0}, {-1,-1,-1, 0}, { 1, 1, 0, 1}, {-1,-1, 0,-1}, { 1, 0, 1, 1}, {-1, 0,-1,-1}, | |
1309 | { 0,-1, 1, 1}, { 0, 1,-1,-1}, {-1, 1, 1, 0}, { 1,-1,-1, 0}, { 1, 1, 0,-1}, {-1,-1, 0, 1}, { 1, 0,-1, 1}, {-1, 0, 1,-1}, | |
1310 | { 0, 1,-1, 1}, { 0,-1, 1,-1}, { 1,-1, 1, 0}, {-1, 1,-1, 0}, {-1, 1, 0, 1}, { 1,-1, 0,-1}, { 1, 0, 1,-1}, {-1, 0,-1, 1}, | |
1311 | { 0, 1, 1,-1}, { 0,-1,-1, 1}, { 1, 1,-1, 0}, {-1,-1, 1, 0}, { 1,-1, 0, 1}, {-1, 1, 0,-1}, {-1, 0, 1, 1}, { 1, 0,-1,-1}, | |
1312 | ||
1313 | { 1, 1, 1, 1}, {-1,-1,-1,-1}, | |
1314 | { 1, 1, 1,-1}, {-1,-1,-1, 1}, { 1, 1,-1, 1}, {-1,-1, 1,-1}, { 1,-1, 1, 1}, {-1, 1,-1,-1}, {-1, 1, 1, 1}, { 1,-1,-1,-1}, | |
1315 | { 1, 1,-1,-1}, {-1,-1, 1, 1}, { 1,-1,-1, 1}, {-1, 1, 1,-1}, { 1,-1, 1,-1}, {-1, 1,-1, 1}, | |
1316 | }; | |
1317 | static const uint8_t hash[]={ | |
1318 | HASH8( 0, 0, 0, 1), HASH8( 0, 0, 0,-1), HASH8( 0, 0, 1, 0), HASH8( 0, 0,-1, 0), HASH8( 0, 1, 0, 0), HASH8( 0,-1, 0, 0), HASH8( 1, 0, 0, 0), HASH8(-1, 0, 0, 0), | |
1319 | ||
1320 | HASH8( 0, 0, 1, 1), HASH8( 0, 0,-1,-1), HASH8( 0, 1, 1, 0), HASH8( 0,-1,-1, 0), HASH8( 1, 1, 0, 0), HASH8(-1,-1, 0, 0), HASH8( 1, 0, 0, 1), HASH8(-1, 0, 0,-1), | |
1321 | HASH8( 0, 1, 0, 1), HASH8( 0,-1, 0,-1), HASH8( 1, 0, 1, 0), HASH8(-1, 0,-1, 0), | |
1322 | HASH8( 0, 0,-1, 1), HASH8( 0, 0, 1,-1), HASH8( 0,-1, 1, 0), HASH8( 0, 1,-1, 0), HASH8(-1, 1, 0, 0), HASH8( 1,-1, 0, 0), HASH8( 1, 0, 0,-1), HASH8(-1, 0, 0, 1), | |
1323 | HASH8( 0,-1, 0, 1), HASH8( 0, 1, 0,-1), HASH8(-1, 0, 1, 0), HASH8( 1, 0,-1, 0), | |
1324 | ||
1325 | HASH8( 0, 1, 1, 1), HASH8( 0,-1,-1,-1), HASH8( 1, 1, 1, 0), HASH8(-1,-1,-1, 0), HASH8( 1, 1, 0, 1), HASH8(-1,-1, 0,-1), HASH8( 1, 0, 1, 1), HASH8(-1, 0,-1,-1), | |
1326 | HASH8( 0,-1, 1, 1), HASH8( 0, 1,-1,-1), HASH8(-1, 1, 1, 0), HASH8( 1,-1,-1, 0), HASH8( 1, 1, 0,-1), HASH8(-1,-1, 0, 1), HASH8( 1, 0,-1, 1), HASH8(-1, 0, 1,-1), | |
1327 | HASH8( 0, 1,-1, 1), HASH8( 0,-1, 1,-1), HASH8( 1,-1, 1, 0), HASH8(-1, 1,-1, 0), HASH8(-1, 1, 0, 1), HASH8( 1,-1, 0,-1), HASH8( 1, 0, 1,-1), HASH8(-1, 0,-1, 1), | |
1328 | HASH8( 0, 1, 1,-1), HASH8( 0,-1,-1, 1), HASH8( 1, 1,-1, 0), HASH8(-1,-1, 1, 0), HASH8( 1,-1, 0, 1), HASH8(-1, 1, 0,-1), HASH8(-1, 0, 1, 1), HASH8( 1, 0,-1,-1), | |
1329 | ||
1330 | HASH8( 1, 1, 1, 1), HASH8(-1,-1,-1,-1), | |
1331 | HASH8( 1, 1, 1,-1), HASH8(-1,-1,-1, 1), HASH8( 1, 1,-1, 1), HASH8(-1,-1, 1,-1), HASH8( 1,-1, 1, 1), HASH8(-1, 1,-1,-1), HASH8(-1, 1, 1, 1), HASH8( 1,-1,-1,-1), | |
1332 | HASH8( 1, 1,-1,-1), HASH8(-1,-1, 1, 1), HASH8( 1,-1,-1, 1), HASH8(-1, 1, 1,-1), HASH8( 1,-1, 1,-1), HASH8(-1, 1,-1, 1), | |
1333 | }; | |
1334 | ||
1335 | #define CHECK_BIDIR(fx,fy,bx,by)\ | |
1336 | if( !map[(hashidx+HASH(fx,fy,bx,by))&255]\ | |
1337 | &&(fx<=0 || motion_fx+fx<=xmax) && (fy<=0 || motion_fy+fy<=ymax) && (bx<=0 || motion_bx+bx<=xmax) && (by<=0 || motion_by+by<=ymax)\ | |
1338 | &&(fx>=0 || motion_fx+fx>=xmin) && (fy>=0 || motion_fy+fy>=ymin) && (bx>=0 || motion_bx+bx>=xmin) && (by>=0 || motion_by+by>=ymin)){\ | |
1339 | int score;\ | |
1340 | map[(hashidx+HASH(fx,fy,bx,by))&255] = 1;\ | |
1341 | score= check_bidir_mv(s, motion_fx+fx, motion_fy+fy, motion_bx+bx, motion_by+by, pred_fx, pred_fy, pred_bx, pred_by, 0, 16);\ | |
1342 | if(score < fbmin){\ | |
1343 | hashidx += HASH(fx,fy,bx,by);\ | |
1344 | fbmin= score;\ | |
1345 | motion_fx+=fx;\ | |
1346 | motion_fy+=fy;\ | |
1347 | motion_bx+=bx;\ | |
1348 | motion_by+=by;\ | |
1349 | end=0;\ | |
1350 | }\ | |
1351 | } | |
1352 | #define CHECK_BIDIR2(a,b,c,d)\ | |
1353 | CHECK_BIDIR(a,b,c,d)\ | |
1354 | CHECK_BIDIR(-(a),-(b),-(c),-(d)) | |
1355 | ||
1356 | do{ | |
1357 | int i; | |
1358 | int borderdist=0; | |
1359 | end=1; | |
1360 | ||
1361 | CHECK_BIDIR2(0,0,0,1) | |
1362 | CHECK_BIDIR2(0,0,1,0) | |
1363 | CHECK_BIDIR2(0,1,0,0) | |
1364 | CHECK_BIDIR2(1,0,0,0) | |
1365 | ||
1366 | for(i=8; i<limit; i++){ | |
1367 | int fx= motion_fx+vect[i][0]; | |
1368 | int fy= motion_fy+vect[i][1]; | |
1369 | int bx= motion_bx+vect[i][2]; | |
1370 | int by= motion_by+vect[i][3]; | |
1371 | if(borderdist<=0){ | |
1372 | int a= (xmax - FFMAX(fx,bx))|(FFMIN(fx,bx) - xmin); | |
1373 | int b= (ymax - FFMAX(fy,by))|(FFMIN(fy,by) - ymin); | |
1374 | if((a|b) < 0) | |
1375 | map[(hashidx+hash[i])&255] = 1; | |
1376 | } | |
1377 | if(!map[(hashidx+hash[i])&255]){ | |
1378 | int score; | |
1379 | map[(hashidx+hash[i])&255] = 1; | |
1380 | score= check_bidir_mv(s, fx, fy, bx, by, pred_fx, pred_fy, pred_bx, pred_by, 0, 16); | |
1381 | if(score < fbmin){ | |
1382 | hashidx += hash[i]; | |
1383 | fbmin= score; | |
1384 | motion_fx=fx; | |
1385 | motion_fy=fy; | |
1386 | motion_bx=bx; | |
1387 | motion_by=by; | |
1388 | end=0; | |
1389 | borderdist--; | |
1390 | if(borderdist<=0){ | |
1391 | int a= FFMIN(xmax - FFMAX(fx,bx), FFMIN(fx,bx) - xmin); | |
1392 | int b= FFMIN(ymax - FFMAX(fy,by), FFMIN(fy,by) - ymin); | |
1393 | borderdist= FFMIN(a,b); | |
1394 | } | |
1395 | } | |
1396 | } | |
1397 | } | |
1398 | }while(!end); | |
1399 | } | |
1400 | ||
1401 | s->b_bidir_forw_mv_table[xy][0]= motion_fx; | |
1402 | s->b_bidir_forw_mv_table[xy][1]= motion_fy; | |
1403 | s->b_bidir_back_mv_table[xy][0]= motion_bx; | |
1404 | s->b_bidir_back_mv_table[xy][1]= motion_by; | |
1405 | ||
1406 | return fbmin; | |
1407 | } | |
1408 | ||
1409 | static inline int direct_search(MpegEncContext * s, int mb_x, int mb_y) | |
1410 | { | |
1411 | MotionEstContext * const c= &s->me; | |
1412 | int P[10][2]; | |
1413 | const int mot_stride = s->mb_stride; | |
1414 | const int mot_xy = mb_y*mot_stride + mb_x; | |
1415 | const int shift= 1+s->quarter_sample; | |
1416 | int dmin, i; | |
1417 | const int time_pp= s->pp_time; | |
1418 | const int time_pb= s->pb_time; | |
1419 | int mx, my, xmin, xmax, ymin, ymax; | |
1420 | int16_t (*mv_table)[2]= s->b_direct_mv_table; | |
1421 | ||
1422 | c->current_mv_penalty= c->mv_penalty[1] + MAX_MV; | |
1423 | ymin= xmin=(-32)>>shift; | |
1424 | ymax= xmax= 31>>shift; | |
1425 | ||
1426 | if (IS_8X8(s->next_picture.mb_type[mot_xy])) { | |
1427 | s->mv_type= MV_TYPE_8X8; | |
1428 | }else{ | |
1429 | s->mv_type= MV_TYPE_16X16; | |
1430 | } | |
1431 | ||
1432 | for(i=0; i<4; i++){ | |
1433 | int index= s->block_index[i]; | |
1434 | int min, max; | |
1435 | ||
1436 | c->co_located_mv[i][0] = s->next_picture.motion_val[0][index][0]; | |
1437 | c->co_located_mv[i][1] = s->next_picture.motion_val[0][index][1]; | |
1438 | c->direct_basis_mv[i][0]= c->co_located_mv[i][0]*time_pb/time_pp + ((i& 1)<<(shift+3)); | |
1439 | c->direct_basis_mv[i][1]= c->co_located_mv[i][1]*time_pb/time_pp + ((i>>1)<<(shift+3)); | |
1440 | // c->direct_basis_mv[1][i][0]= c->co_located_mv[i][0]*(time_pb - time_pp)/time_pp + ((i &1)<<(shift+3); | |
1441 | // c->direct_basis_mv[1][i][1]= c->co_located_mv[i][1]*(time_pb - time_pp)/time_pp + ((i>>1)<<(shift+3); | |
1442 | ||
1443 | max= FFMAX(c->direct_basis_mv[i][0], c->direct_basis_mv[i][0] - c->co_located_mv[i][0])>>shift; | |
1444 | min= FFMIN(c->direct_basis_mv[i][0], c->direct_basis_mv[i][0] - c->co_located_mv[i][0])>>shift; | |
1445 | max+= 16*mb_x + 1; // +-1 is for the simpler rounding | |
1446 | min+= 16*mb_x - 1; | |
1447 | xmax= FFMIN(xmax, s->width - max); | |
1448 | xmin= FFMAX(xmin, - 16 - min); | |
1449 | ||
1450 | max= FFMAX(c->direct_basis_mv[i][1], c->direct_basis_mv[i][1] - c->co_located_mv[i][1])>>shift; | |
1451 | min= FFMIN(c->direct_basis_mv[i][1], c->direct_basis_mv[i][1] - c->co_located_mv[i][1])>>shift; | |
1452 | max+= 16*mb_y + 1; // +-1 is for the simpler rounding | |
1453 | min+= 16*mb_y - 1; | |
1454 | ymax= FFMIN(ymax, s->height - max); | |
1455 | ymin= FFMAX(ymin, - 16 - min); | |
1456 | ||
1457 | if(s->mv_type == MV_TYPE_16X16) break; | |
1458 | } | |
1459 | ||
1460 | av_assert2(xmax <= 15 && ymax <= 15 && xmin >= -16 && ymin >= -16); | |
1461 | ||
1462 | if(xmax < 0 || xmin >0 || ymax < 0 || ymin > 0){ | |
1463 | s->b_direct_mv_table[mot_xy][0]= 0; | |
1464 | s->b_direct_mv_table[mot_xy][1]= 0; | |
1465 | ||
1466 | return 256*256*256*64; | |
1467 | } | |
1468 | ||
1469 | c->xmin= xmin; | |
1470 | c->ymin= ymin; | |
1471 | c->xmax= xmax; | |
1472 | c->ymax= ymax; | |
1473 | c->flags |= FLAG_DIRECT; | |
1474 | c->sub_flags |= FLAG_DIRECT; | |
1475 | c->pred_x=0; | |
1476 | c->pred_y=0; | |
1477 | ||
1478 | P_LEFT[0] = av_clip(mv_table[mot_xy - 1][0], xmin<<shift, xmax<<shift); | |
1479 | P_LEFT[1] = av_clip(mv_table[mot_xy - 1][1], ymin<<shift, ymax<<shift); | |
1480 | ||
1481 | /* special case for first line */ | |
1482 | if (!s->first_slice_line) { //FIXME maybe allow this over thread boundary as it is clipped | |
1483 | P_TOP[0] = av_clip(mv_table[mot_xy - mot_stride ][0], xmin<<shift, xmax<<shift); | |
1484 | P_TOP[1] = av_clip(mv_table[mot_xy - mot_stride ][1], ymin<<shift, ymax<<shift); | |
1485 | P_TOPRIGHT[0] = av_clip(mv_table[mot_xy - mot_stride + 1 ][0], xmin<<shift, xmax<<shift); | |
1486 | P_TOPRIGHT[1] = av_clip(mv_table[mot_xy - mot_stride + 1 ][1], ymin<<shift, ymax<<shift); | |
1487 | ||
1488 | P_MEDIAN[0]= mid_pred(P_LEFT[0], P_TOP[0], P_TOPRIGHT[0]); | |
1489 | P_MEDIAN[1]= mid_pred(P_LEFT[1], P_TOP[1], P_TOPRIGHT[1]); | |
1490 | } | |
1491 | ||
1492 | dmin = ff_epzs_motion_search(s, &mx, &my, P, 0, 0, mv_table, 1<<(16-shift), 0, 16); | |
1493 | if(c->sub_flags&FLAG_QPEL) | |
1494 | dmin = qpel_motion_search(s, &mx, &my, dmin, 0, 0, 0, 16); | |
1495 | else | |
1496 | dmin = hpel_motion_search(s, &mx, &my, dmin, 0, 0, 0, 16); | |
1497 | ||
1498 | if(c->avctx->me_sub_cmp != c->avctx->mb_cmp && !c->skip) | |
1499 | dmin= get_mb_score(s, mx, my, 0, 0, 0, 16, 1); | |
1500 | ||
1501 | get_limits(s, 16*mb_x, 16*mb_y); //restore c->?min/max, maybe not needed | |
1502 | ||
1503 | mv_table[mot_xy][0]= mx; | |
1504 | mv_table[mot_xy][1]= my; | |
1505 | c->flags &= ~FLAG_DIRECT; | |
1506 | c->sub_flags &= ~FLAG_DIRECT; | |
1507 | ||
1508 | return dmin; | |
1509 | } | |
1510 | ||
1511 | void ff_estimate_b_frame_motion(MpegEncContext * s, | |
1512 | int mb_x, int mb_y) | |
1513 | { | |
1514 | MotionEstContext * const c= &s->me; | |
1515 | const int penalty_factor= c->mb_penalty_factor; | |
1516 | int fmin, bmin, dmin, fbmin, bimin, fimin; | |
1517 | int type=0; | |
1518 | const int xy = mb_y*s->mb_stride + mb_x; | |
1519 | init_ref(c, s->new_picture.f->data, s->last_picture.f->data, | |
1520 | s->next_picture.f->data, 16 * mb_x, 16 * mb_y, 2); | |
1521 | ||
1522 | get_limits(s, 16*mb_x, 16*mb_y); | |
1523 | ||
1524 | c->skip=0; | |
1525 | ||
1526 | if (s->codec_id == AV_CODEC_ID_MPEG4 && s->next_picture.mbskip_table[xy]) { | |
1527 | int score= direct_search(s, mb_x, mb_y); //FIXME just check 0,0 | |
1528 | ||
1529 | score= ((unsigned)(score*score + 128*256))>>16; | |
1530 | c->mc_mb_var_sum_temp += score; | |
1531 | s->current_picture.mc_mb_var[mb_y*s->mb_stride + mb_x] = score; //FIXME use SSE | |
1532 | s->mb_type[mb_y*s->mb_stride + mb_x]= CANDIDATE_MB_TYPE_DIRECT0; | |
1533 | ||
1534 | return; | |
1535 | } | |
1536 | ||
1537 | if (s->codec_id == AV_CODEC_ID_MPEG4) | |
1538 | dmin= direct_search(s, mb_x, mb_y); | |
1539 | else | |
1540 | dmin= INT_MAX; | |
1541 | //FIXME penalty stuff for non mpeg4 | |
1542 | c->skip=0; | |
1543 | fmin = estimate_motion_b(s, mb_x, mb_y, s->b_forw_mv_table, 0, s->f_code) + | |
1544 | 3 * penalty_factor; | |
1545 | ||
1546 | c->skip=0; | |
1547 | bmin = estimate_motion_b(s, mb_x, mb_y, s->b_back_mv_table, 2, s->b_code) + | |
1548 | 2 * penalty_factor; | |
1549 | av_dlog(s, " %d %d ", s->b_forw_mv_table[xy][0], s->b_forw_mv_table[xy][1]); | |
1550 | ||
1551 | c->skip=0; | |
1552 | fbmin= bidir_refine(s, mb_x, mb_y) + penalty_factor; | |
1553 | av_dlog(s, "%d %d %d %d\n", dmin, fmin, bmin, fbmin); | |
1554 | ||
1555 | if(s->flags & CODEC_FLAG_INTERLACED_ME){ | |
1556 | //FIXME mb type penalty | |
1557 | c->skip=0; | |
1558 | c->current_mv_penalty= c->mv_penalty[s->f_code] + MAX_MV; | |
1559 | fimin= interlaced_search(s, 0, | |
1560 | s->b_field_mv_table[0], s->b_field_select_table[0], | |
1561 | s->b_forw_mv_table[xy][0], s->b_forw_mv_table[xy][1], 0); | |
1562 | c->current_mv_penalty= c->mv_penalty[s->b_code] + MAX_MV; | |
1563 | bimin= interlaced_search(s, 2, | |
1564 | s->b_field_mv_table[1], s->b_field_select_table[1], | |
1565 | s->b_back_mv_table[xy][0], s->b_back_mv_table[xy][1], 0); | |
1566 | }else | |
1567 | fimin= bimin= INT_MAX; | |
1568 | ||
1569 | { | |
1570 | int score= fmin; | |
1571 | type = CANDIDATE_MB_TYPE_FORWARD; | |
1572 | ||
1573 | if (dmin <= score){ | |
1574 | score = dmin; | |
1575 | type = CANDIDATE_MB_TYPE_DIRECT; | |
1576 | } | |
1577 | if(bmin<score){ | |
1578 | score=bmin; | |
1579 | type= CANDIDATE_MB_TYPE_BACKWARD; | |
1580 | } | |
1581 | if(fbmin<score){ | |
1582 | score=fbmin; | |
1583 | type= CANDIDATE_MB_TYPE_BIDIR; | |
1584 | } | |
1585 | if(fimin<score){ | |
1586 | score=fimin; | |
1587 | type= CANDIDATE_MB_TYPE_FORWARD_I; | |
1588 | } | |
1589 | if(bimin<score){ | |
1590 | score=bimin; | |
1591 | type= CANDIDATE_MB_TYPE_BACKWARD_I; | |
1592 | } | |
1593 | ||
1594 | score= ((unsigned)(score*score + 128*256))>>16; | |
1595 | c->mc_mb_var_sum_temp += score; | |
1596 | s->current_picture.mc_mb_var[mb_y*s->mb_stride + mb_x] = score; //FIXME use SSE | |
1597 | } | |
1598 | ||
1599 | if(c->avctx->mb_decision > FF_MB_DECISION_SIMPLE){ | |
1600 | type= CANDIDATE_MB_TYPE_FORWARD | CANDIDATE_MB_TYPE_BACKWARD | CANDIDATE_MB_TYPE_BIDIR | CANDIDATE_MB_TYPE_DIRECT; | |
1601 | if(fimin < INT_MAX) | |
1602 | type |= CANDIDATE_MB_TYPE_FORWARD_I; | |
1603 | if(bimin < INT_MAX) | |
1604 | type |= CANDIDATE_MB_TYPE_BACKWARD_I; | |
1605 | if(fimin < INT_MAX && bimin < INT_MAX){ | |
1606 | type |= CANDIDATE_MB_TYPE_BIDIR_I; | |
1607 | } | |
1608 | //FIXME something smarter | |
1609 | if(dmin>256*256*16) type&= ~CANDIDATE_MB_TYPE_DIRECT; //do not try direct mode if it is invalid for this MB | |
1610 | if (s->codec_id == AV_CODEC_ID_MPEG4 && type&CANDIDATE_MB_TYPE_DIRECT && | |
1611 | s->mpv_flags & FF_MPV_FLAG_MV0 && *(uint32_t*)s->b_direct_mv_table[xy]) | |
1612 | type |= CANDIDATE_MB_TYPE_DIRECT0; | |
1613 | } | |
1614 | ||
1615 | s->mb_type[mb_y*s->mb_stride + mb_x]= type; | |
1616 | } | |
1617 | ||
1618 | /* find best f_code for ME which do unlimited searches */ | |
1619 | int ff_get_best_fcode(MpegEncContext * s, int16_t (*mv_table)[2], int type) | |
1620 | { | |
1621 | if(s->me_method>=ME_EPZS){ | |
1622 | int score[8]; | |
1623 | int i, y, range= s->avctx->me_range ? s->avctx->me_range : (INT_MAX/2); | |
1624 | uint8_t * fcode_tab= s->fcode_tab; | |
1625 | int best_fcode=-1; | |
1626 | int best_score=-10000000; | |
1627 | ||
1628 | if(s->msmpeg4_version) | |
1629 | range= FFMIN(range, 16); | |
1630 | else if(s->codec_id == AV_CODEC_ID_MPEG2VIDEO && s->avctx->strict_std_compliance >= FF_COMPLIANCE_NORMAL) | |
1631 | range= FFMIN(range, 256); | |
1632 | ||
1633 | for(i=0; i<8; i++) score[i]= s->mb_num*(8-i); | |
1634 | ||
1635 | for(y=0; y<s->mb_height; y++){ | |
1636 | int x; | |
1637 | int xy= y*s->mb_stride; | |
1638 | for(x=0; x<s->mb_width; x++){ | |
1639 | if(s->mb_type[xy] & type){ | |
1640 | int mx= mv_table[xy][0]; | |
1641 | int my= mv_table[xy][1]; | |
1642 | int fcode= FFMAX(fcode_tab[mx + MAX_MV], | |
1643 | fcode_tab[my + MAX_MV]); | |
1644 | int j; | |
1645 | ||
1646 | if(mx >= range || mx < -range || | |
1647 | my >= range || my < -range) | |
1648 | continue; | |
1649 | ||
1650 | for(j=0; j<fcode && j<8; j++){ | |
1651 | if(s->pict_type==AV_PICTURE_TYPE_B || s->current_picture.mc_mb_var[xy] < s->current_picture.mb_var[xy]) | |
1652 | score[j]-= 170; | |
1653 | } | |
1654 | } | |
1655 | xy++; | |
1656 | } | |
1657 | } | |
1658 | ||
1659 | for(i=1; i<8; i++){ | |
1660 | if(score[i] > best_score){ | |
1661 | best_score= score[i]; | |
1662 | best_fcode= i; | |
1663 | } | |
1664 | } | |
1665 | ||
1666 | return best_fcode; | |
1667 | }else{ | |
1668 | return 1; | |
1669 | } | |
1670 | } | |
1671 | ||
1672 | void ff_fix_long_p_mvs(MpegEncContext * s) | |
1673 | { | |
1674 | MotionEstContext * const c= &s->me; | |
1675 | const int f_code= s->f_code; | |
1676 | int y, range; | |
1677 | av_assert0(s->pict_type==AV_PICTURE_TYPE_P); | |
1678 | ||
1679 | range = (((s->out_format == FMT_MPEG1 || s->msmpeg4_version) ? 8 : 16) << f_code); | |
1680 | ||
1681 | av_assert0(range <= 16 || !s->msmpeg4_version); | |
1682 | av_assert0(range <=256 || !(s->codec_id == AV_CODEC_ID_MPEG2VIDEO && s->avctx->strict_std_compliance >= FF_COMPLIANCE_NORMAL)); | |
1683 | ||
1684 | if(c->avctx->me_range && range > c->avctx->me_range) range= c->avctx->me_range; | |
1685 | ||
1686 | if(s->flags&CODEC_FLAG_4MV){ | |
1687 | const int wrap= s->b8_stride; | |
1688 | ||
1689 | /* clip / convert to intra 8x8 type MVs */ | |
1690 | for(y=0; y<s->mb_height; y++){ | |
1691 | int xy= y*2*wrap; | |
1692 | int i= y*s->mb_stride; | |
1693 | int x; | |
1694 | ||
1695 | for(x=0; x<s->mb_width; x++){ | |
1696 | if(s->mb_type[i]&CANDIDATE_MB_TYPE_INTER4V){ | |
1697 | int block; | |
1698 | for(block=0; block<4; block++){ | |
1699 | int off= (block& 1) + (block>>1)*wrap; | |
1700 | int mx = s->current_picture.motion_val[0][ xy + off ][0]; | |
1701 | int my = s->current_picture.motion_val[0][ xy + off ][1]; | |
1702 | ||
1703 | if( mx >=range || mx <-range | |
1704 | || my >=range || my <-range){ | |
1705 | s->mb_type[i] &= ~CANDIDATE_MB_TYPE_INTER4V; | |
1706 | s->mb_type[i] |= CANDIDATE_MB_TYPE_INTRA; | |
1707 | s->current_picture.mb_type[i] = CANDIDATE_MB_TYPE_INTRA; | |
1708 | } | |
1709 | } | |
1710 | } | |
1711 | xy+=2; | |
1712 | i++; | |
1713 | } | |
1714 | } | |
1715 | } | |
1716 | } | |
1717 | ||
1718 | /** | |
1719 | * | |
1720 | * @param truncate 1 for truncation, 0 for using intra | |
1721 | */ | |
1722 | void ff_fix_long_mvs(MpegEncContext * s, uint8_t *field_select_table, int field_select, | |
1723 | int16_t (*mv_table)[2], int f_code, int type, int truncate) | |
1724 | { | |
1725 | MotionEstContext * const c= &s->me; | |
1726 | int y, h_range, v_range; | |
1727 | ||
1728 | // RAL: 8 in MPEG-1, 16 in MPEG-4 | |
1729 | int range = (((s->out_format == FMT_MPEG1 || s->msmpeg4_version) ? 8 : 16) << f_code); | |
1730 | ||
1731 | if(c->avctx->me_range && range > c->avctx->me_range) range= c->avctx->me_range; | |
1732 | ||
1733 | h_range= range; | |
1734 | v_range= field_select_table ? range>>1 : range; | |
1735 | ||
1736 | /* clip / convert to intra 16x16 type MVs */ | |
1737 | for(y=0; y<s->mb_height; y++){ | |
1738 | int x; | |
1739 | int xy= y*s->mb_stride; | |
1740 | for(x=0; x<s->mb_width; x++){ | |
1741 | if (s->mb_type[xy] & type){ // RAL: "type" test added... | |
1742 | if (!field_select_table || field_select_table[xy] == field_select) { | |
1743 | if( mv_table[xy][0] >=h_range || mv_table[xy][0] <-h_range | |
1744 | || mv_table[xy][1] >=v_range || mv_table[xy][1] <-v_range){ | |
1745 | ||
1746 | if(truncate){ | |
1747 | if (mv_table[xy][0] > h_range-1) mv_table[xy][0]= h_range-1; | |
1748 | else if(mv_table[xy][0] < -h_range ) mv_table[xy][0]= -h_range; | |
1749 | if (mv_table[xy][1] > v_range-1) mv_table[xy][1]= v_range-1; | |
1750 | else if(mv_table[xy][1] < -v_range ) mv_table[xy][1]= -v_range; | |
1751 | }else{ | |
1752 | s->mb_type[xy] &= ~type; | |
1753 | s->mb_type[xy] |= CANDIDATE_MB_TYPE_INTRA; | |
1754 | mv_table[xy][0]= | |
1755 | mv_table[xy][1]= 0; | |
1756 | } | |
1757 | } | |
1758 | } | |
1759 | } | |
1760 | xy++; | |
1761 | } | |
1762 | } | |
1763 | } |