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1 : | edgomez | 1054 | /***************************************************************************** |
2 : | Isibaar | 3 | * |
3 : | edgomez | 1054 | * XVID MPEG-4 VIDEO CODEC |
4 : | * - Motion Estimation related code - | ||
5 : | chl | 259 | * |
6 : | edgomez | 1054 | * Copyright(C) 2002 Christoph Lampert <gruel@web.de> |
7 : | * 2002 Michael Militzer <michael@xvid.org> | ||
8 : | * 2002-2003 Radoslaw Czyz <xvid@syskin.cjb.net> | ||
9 : | chl | 259 | * |
10 : | edgomez | 1054 | * This program is free software ; you can redistribute it and/or modify |
11 : | * it under the terms of the GNU General Public License as published by | ||
12 : | * the Free Software Foundation ; either version 2 of the License, or | ||
13 : | * (at your option) any later version. | ||
14 : | chl | 259 | * |
15 : | edgomez | 1054 | * This program 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 | ||
18 : | * GNU General Public License for more details. | ||
19 : | chl | 259 | * |
20 : | edgomez | 1054 | * You should have received a copy of the GNU General Public License |
21 : | * along with this program ; if not, write to the Free Software | ||
22 : | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||
23 : | chl | 259 | * |
24 : | syskin | 1108 | * $Id: motion_est.c,v 1.58.2.25 2003-08-03 10:10:08 syskin Exp $ |
25 : | edgomez | 1054 | * |
26 : | ****************************************************************************/ | ||
27 : | chl | 259 | |
28 : | Isibaar | 3 | #include <assert.h> |
29 : | #include <stdio.h> | ||
30 : | chl | 96 | #include <stdlib.h> |
31 : | edgomez | 1053 | #include <string.h> /* memcpy */ |
32 : | #include <math.h> /* lrint */ | ||
33 : | Isibaar | 3 | |
34 : | #include "../encoder.h" | ||
35 : | #include "../utils/mbfunctions.h" | ||
36 : | #include "../prediction/mbprediction.h" | ||
37 : | syskin | 1084 | #include "../global.h" |
38 : | Isibaar | 3 | #include "../utils/timer.h" |
39 : | edgomez | 851 | #include "../image/interpolate8x8.h" |
40 : | #include "motion_est.h" | ||
41 : | suxen_drol | 118 | #include "motion.h" |
42 : | Isibaar | 3 | #include "sad.h" |
43 : | chl | 1077 | #include "gmc.h" |
44 : | edgomez | 851 | #include "../utils/emms.h" |
45 : | #include "../dct/fdct.h" | ||
46 : | Isibaar | 3 | |
47 : | edgomez | 872 | /***************************************************************************** |
48 : | * Modified rounding tables -- declared in motion.h | ||
49 : | * Original tables see ISO spec tables 7-6 -> 7-9 | ||
50 : | ****************************************************************************/ | ||
51 : | |||
52 : | const uint32_t roundtab[16] = | ||
53 : | {0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2 }; | ||
54 : | |||
55 : | /* K = 4 */ | ||
56 : | const uint32_t roundtab_76[16] = | ||
57 : | { 0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 1, 1 }; | ||
58 : | |||
59 : | /* K = 2 */ | ||
60 : | const uint32_t roundtab_78[8] = | ||
61 : | { 0, 0, 1, 1, 0, 0, 0, 1 }; | ||
62 : | |||
63 : | /* K = 1 */ | ||
64 : | const uint32_t roundtab_79[4] = | ||
65 : | { 0, 1, 0, 0 }; | ||
66 : | |||
67 : | edgomez | 851 | #define INITIAL_SKIP_THRESH (10) |
68 : | #define FINAL_SKIP_THRESH (50) | ||
69 : | #define MAX_SAD00_FOR_SKIP (20) | ||
70 : | #define MAX_CHROMA_SAD_FOR_SKIP (22) | ||
71 : | Isibaar | 3 | |
72 : | edgomez | 851 | #define CHECK_CANDIDATE(X,Y,D) { \ |
73 : | CheckCandidate((X),(Y), (D), &iDirection, data ); } | ||
74 : | Isibaar | 3 | |
75 : | syskin | 1084 | |
76 : | edgomez | 872 | /***************************************************************************** |
77 : | * Code | ||
78 : | ****************************************************************************/ | ||
79 : | |||
80 : | edgomez | 851 | static __inline uint32_t |
81 : | d_mv_bits(int x, int y, const VECTOR pred, const uint32_t iFcode, const int qpel, const int rrv) | ||
82 : | { | ||
83 : | edgomez | 974 | int bits; |
84 : | const int q = (1 << (iFcode - 1)) - 1; | ||
85 : | |||
86 : | x <<= qpel; | ||
87 : | y <<= qpel; | ||
88 : | edgomez | 851 | if (rrv) { x = RRV_MV_SCALEDOWN(x); y = RRV_MV_SCALEDOWN(y); } |
89 : | chl | 141 | |
90 : | edgomez | 851 | x -= pred.x; |
91 : | edgomez | 974 | bits = (x != 0 ? iFcode:0); |
92 : | x = abs(x); | ||
93 : | x += q; | ||
94 : | x >>= (iFcode - 1); | ||
95 : | bits += mvtab[x]; | ||
96 : | |||
97 : | edgomez | 851 | y -= pred.y; |
98 : | edgomez | 974 | bits += (y != 0 ? iFcode:0); |
99 : | y = abs(y); | ||
100 : | y += q; | ||
101 : | y >>= (iFcode - 1); | ||
102 : | bits += mvtab[y]; | ||
103 : | chl | 141 | |
104 : | edgomez | 974 | return bits; |
105 : | edgomez | 851 | } |
106 : | chl | 141 | |
107 : | edgomez | 978 | static int32_t ChromaSAD2(const int fx, const int fy, const int bx, const int by, |
108 : | const SearchData * const data) | ||
109 : | edgomez | 851 | { |
110 : | int sad; | ||
111 : | const uint32_t stride = data->iEdgedWidth/2; | ||
112 : | uint8_t * f_refu = data->RefQ, | ||
113 : | * f_refv = data->RefQ + 8, | ||
114 : | * b_refu = data->RefQ + 16, | ||
115 : | * b_refv = data->RefQ + 24; | ||
116 : | edgomez | 978 | int offset = (fx>>1) + (fy>>1)*stride; |
117 : | Isibaar | 3 | |
118 : | edgomez | 851 | switch (((fx & 1) << 1) | (fy & 1)) { |
119 : | case 0: | ||
120 : | edgomez | 978 | f_refu = (uint8_t*)data->RefP[4] + offset; |
121 : | f_refv = (uint8_t*)data->RefP[5] + offset; | ||
122 : | edgomez | 851 | break; |
123 : | case 1: | ||
124 : | edgomez | 978 | interpolate8x8_halfpel_v(f_refu, data->RefP[4] + offset, stride, data->rounding); |
125 : | interpolate8x8_halfpel_v(f_refv, data->RefP[5] + offset, stride, data->rounding); | ||
126 : | edgomez | 851 | break; |
127 : | case 2: | ||
128 : | edgomez | 978 | interpolate8x8_halfpel_h(f_refu, data->RefP[4] + offset, stride, data->rounding); |
129 : | interpolate8x8_halfpel_h(f_refv, data->RefP[5] + offset, stride, data->rounding); | ||
130 : | edgomez | 851 | break; |
131 : | default: | ||
132 : | edgomez | 978 | interpolate8x8_halfpel_hv(f_refu, data->RefP[4] + offset, stride, data->rounding); |
133 : | interpolate8x8_halfpel_hv(f_refv, data->RefP[5] + offset, stride, data->rounding); | ||
134 : | edgomez | 851 | break; |
135 : | } | ||
136 : | Isibaar | 3 | |
137 : | edgomez | 978 | offset = (bx>>1) + (by>>1)*stride; |
138 : | edgomez | 851 | switch (((bx & 1) << 1) | (by & 1)) { |
139 : | case 0: | ||
140 : | edgomez | 978 | b_refu = (uint8_t*)data->b_RefP[4] + offset; |
141 : | b_refv = (uint8_t*)data->b_RefP[5] + offset; | ||
142 : | edgomez | 851 | break; |
143 : | case 1: | ||
144 : | edgomez | 978 | interpolate8x8_halfpel_v(b_refu, data->b_RefP[4] + offset, stride, data->rounding); |
145 : | interpolate8x8_halfpel_v(b_refv, data->b_RefP[5] + offset, stride, data->rounding); | ||
146 : | edgomez | 851 | break; |
147 : | case 2: | ||
148 : | edgomez | 978 | interpolate8x8_halfpel_h(b_refu, data->b_RefP[4] + offset, stride, data->rounding); |
149 : | interpolate8x8_halfpel_h(b_refv, data->b_RefP[5] + offset, stride, data->rounding); | ||
150 : | edgomez | 851 | break; |
151 : | default: | ||
152 : | edgomez | 978 | interpolate8x8_halfpel_hv(b_refu, data->b_RefP[4] + offset, stride, data->rounding); |
153 : | interpolate8x8_halfpel_hv(b_refv, data->b_RefP[5] + offset, stride, data->rounding); | ||
154 : | edgomez | 851 | break; |
155 : | } | ||
156 : | Isibaar | 3 | |
157 : | edgomez | 851 | sad = sad8bi(data->CurU, b_refu, f_refu, stride); |
158 : | sad += sad8bi(data->CurV, b_refv, f_refv, stride); | ||
159 : | Isibaar | 3 | |
160 : | edgomez | 851 | return sad; |
161 : | } | ||
162 : | Isibaar | 3 | |
163 : | edgomez | 851 | static int32_t |
164 : | edgomez | 978 | ChromaSAD(const int dx, const int dy, const SearchData * const data) |
165 : | edgomez | 851 | { |
166 : | int sad; | ||
167 : | const uint32_t stride = data->iEdgedWidth/2; | ||
168 : | edgomez | 978 | int offset = (dx>>1) + (dy>>1)*stride; |
169 : | Isibaar | 3 | |
170 : | edgomez | 1053 | if (dx == data->temp[5] && dy == data->temp[6]) return data->temp[7]; /* it has been checked recently */ |
171 : | data->temp[5] = dx; data->temp[6] = dy; /* backup */ | ||
172 : | Isibaar | 3 | |
173 : | edgomez | 851 | switch (((dx & 1) << 1) | (dy & 1)) { |
174 : | case 0: | ||
175 : | edgomez | 978 | sad = sad8(data->CurU, data->RefP[4] + offset, stride); |
176 : | sad += sad8(data->CurV, data->RefP[5] + offset, stride); | ||
177 : | edgomez | 851 | break; |
178 : | case 1: | ||
179 : | edgomez | 978 | sad = sad8bi(data->CurU, data->RefP[4] + offset, data->RefP[4] + offset + stride, stride); |
180 : | sad += sad8bi(data->CurV, data->RefP[5] + offset, data->RefP[5] + offset + stride, stride); | ||
181 : | edgomez | 851 | break; |
182 : | case 2: | ||
183 : | edgomez | 978 | sad = sad8bi(data->CurU, data->RefP[4] + offset, data->RefP[4] + offset + 1, stride); |
184 : | sad += sad8bi(data->CurV, data->RefP[5] + offset, data->RefP[5] + offset + 1, stride); | ||
185 : | edgomez | 851 | break; |
186 : | default: | ||
187 : | edgomez | 978 | interpolate8x8_halfpel_hv(data->RefQ, data->RefP[4] + offset, stride, data->rounding); |
188 : | edgomez | 851 | sad = sad8(data->CurU, data->RefQ, stride); |
189 : | |||
190 : | edgomez | 978 | interpolate8x8_halfpel_hv(data->RefQ, data->RefP[5] + offset, stride, data->rounding); |
191 : | edgomez | 851 | sad += sad8(data->CurV, data->RefQ, stride); |
192 : | break; | ||
193 : | } | ||
194 : | edgomez | 1053 | data->temp[7] = sad; /* backup, part 2 */ |
195 : | edgomez | 851 | return sad; |
196 : | Isibaar | 3 | } |
197 : | |||
198 : | edgomez | 851 | static __inline const uint8_t * |
199 : | GetReferenceB(const int x, const int y, const uint32_t dir, const SearchData * const data) | ||
200 : | Isibaar | 3 | { |
201 : | edgomez | 1053 | /* dir : 0 = forward, 1 = backward */ |
202 : | edgomez | 987 | const uint8_t *const *const direction = ( dir == 0 ? data->RefP : data->b_RefP ); |
203 : | edgomez | 978 | const int picture = ((x&1)<<1) | (y&1); |
204 : | const int offset = (x>>1) + (y>>1)*data->iEdgedWidth; | ||
205 : | return direction[picture] + offset; | ||
206 : | Isibaar | 3 | } |
207 : | |||
208 : | edgomez | 1053 | /* this is a simpler copy of GetReferenceB, but as it's __inline anyway, we can keep the two separate */ |
209 : | edgomez | 851 | static __inline const uint8_t * |
210 : | GetReference(const int x, const int y, const SearchData * const data) | ||
211 : | Isibaar | 3 | { |
212 : | edgomez | 978 | const int picture = ((x&1)<<1) | (y&1); |
213 : | const int offset = (x>>1) + (y>>1)*data->iEdgedWidth; | ||
214 : | return data->RefP[picture] + offset; | ||
215 : | Isibaar | 3 | } |
216 : | edgomez | 851 | |
217 : | static uint8_t * | ||
218 : | Interpolate8x8qpel(const int x, const int y, const uint32_t block, const uint32_t dir, const SearchData * const data) | ||
219 : | Isibaar | 3 | { |
220 : | edgomez | 1053 | /* create or find a qpel-precision reference picture; return pointer to it */ |
221 : | edgomez | 851 | uint8_t * Reference = data->RefQ + 16*dir; |
222 : | const uint32_t iEdgedWidth = data->iEdgedWidth; | ||
223 : | const uint32_t rounding = data->rounding; | ||
224 : | const int halfpel_x = x/2; | ||
225 : | const int halfpel_y = y/2; | ||
226 : | const uint8_t *ref1, *ref2, *ref3, *ref4; | ||
227 : | suxen_drol | 136 | |
228 : | edgomez | 851 | ref1 = GetReferenceB(halfpel_x, halfpel_y, dir, data); |
229 : | ref1 += 8 * (block&1) + 8 * (block>>1) * iEdgedWidth; | ||
230 : | switch( ((x&1)<<1) + (y&1) ) { | ||
231 : | edgomez | 1053 | case 3: /* x and y in qpel resolution - the "corners" (top left/right and */ |
232 : | /* bottom left/right) during qpel refinement */ | ||
233 : | edgomez | 963 | ref2 = GetReferenceB(halfpel_x, y - halfpel_y, dir, data); |
234 : | ref3 = GetReferenceB(x - halfpel_x, halfpel_y, dir, data); | ||
235 : | ref4 = GetReferenceB(x - halfpel_x, y - halfpel_y, dir, data); | ||
236 : | ref2 += 8 * (block&1) + 8 * (block>>1) * iEdgedWidth; | ||
237 : | ref3 += 8 * (block&1) + 8 * (block>>1) * iEdgedWidth; | ||
238 : | ref4 += 8 * (block&1) + 8 * (block>>1) * iEdgedWidth; | ||
239 : | interpolate8x8_avg4(Reference, ref1, ref2, ref3, ref4, iEdgedWidth, rounding); | ||
240 : | edgomez | 851 | break; |
241 : | chl | 184 | |
242 : | edgomez | 1053 | case 1: /* x halfpel, y qpel - top or bottom during qpel refinement */ |
243 : | edgomez | 851 | ref2 = GetReferenceB(halfpel_x, y - halfpel_y, dir, data); |
244 : | ref2 += 8 * (block&1) + 8 * (block>>1) * iEdgedWidth; | ||
245 : | interpolate8x8_avg2(Reference, ref1, ref2, iEdgedWidth, rounding, 8); | ||
246 : | break; | ||
247 : | suxen_drol | 136 | |
248 : | edgomez | 1053 | case 2: /* x qpel, y halfpel - left or right during qpel refinement */ |
249 : | edgomez | 851 | ref2 = GetReferenceB(x - halfpel_x, halfpel_y, dir, data); |
250 : | ref2 += 8 * (block&1) + 8 * (block>>1) * iEdgedWidth; | ||
251 : | interpolate8x8_avg2(Reference, ref1, ref2, iEdgedWidth, rounding, 8); | ||
252 : | break; | ||
253 : | edgomez | 195 | |
254 : | edgomez | 1053 | default: /* pure halfpel position */ |
255 : | edgomez | 963 | return (uint8_t *) ref1; |
256 : | edgomez | 978 | |
257 : | edgomez | 851 | } |
258 : | return Reference; | ||
259 : | } | ||
260 : | Isibaar | 3 | |
261 : | edgomez | 851 | static uint8_t * |
262 : | Interpolate16x16qpel(const int x, const int y, const uint32_t dir, const SearchData * const data) | ||
263 : | { | ||
264 : | edgomez | 1053 | /* create or find a qpel-precision reference picture; return pointer to it */ |
265 : | edgomez | 851 | uint8_t * Reference = data->RefQ + 16*dir; |
266 : | const uint32_t iEdgedWidth = data->iEdgedWidth; | ||
267 : | const uint32_t rounding = data->rounding; | ||
268 : | const int halfpel_x = x/2; | ||
269 : | const int halfpel_y = y/2; | ||
270 : | const uint8_t *ref1, *ref2, *ref3, *ref4; | ||
271 : | chl | 326 | |
272 : | edgomez | 851 | ref1 = GetReferenceB(halfpel_x, halfpel_y, dir, data); |
273 : | switch( ((x&1)<<1) + (y&1) ) { | ||
274 : | edgomez | 1053 | case 3: |
275 : | /* | ||
276 : | * x and y in qpel resolution - the "corners" (top left/right and | ||
277 : | * bottom left/right) during qpel refinement | ||
278 : | */ | ||
279 : | edgomez | 851 | ref2 = GetReferenceB(halfpel_x, y - halfpel_y, dir, data); |
280 : | ref3 = GetReferenceB(x - halfpel_x, halfpel_y, dir, data); | ||
281 : | ref4 = GetReferenceB(x - halfpel_x, y - halfpel_y, dir, data); | ||
282 : | interpolate8x8_avg4(Reference, ref1, ref2, ref3, ref4, iEdgedWidth, rounding); | ||
283 : | interpolate8x8_avg4(Reference+8, ref1+8, ref2+8, ref3+8, ref4+8, iEdgedWidth, rounding); | ||
284 : | interpolate8x8_avg4(Reference+8*iEdgedWidth, ref1+8*iEdgedWidth, ref2+8*iEdgedWidth, ref3+8*iEdgedWidth, ref4+8*iEdgedWidth, iEdgedWidth, rounding); | ||
285 : | interpolate8x8_avg4(Reference+8*iEdgedWidth+8, ref1+8*iEdgedWidth+8, ref2+8*iEdgedWidth+8, ref3+8*iEdgedWidth+8, ref4+8*iEdgedWidth+8, iEdgedWidth, rounding); | ||
286 : | break; | ||
287 : | chl | 184 | |
288 : | edgomez | 1053 | case 1: /* x halfpel, y qpel - top or bottom during qpel refinement */ |
289 : | edgomez | 851 | ref2 = GetReferenceB(halfpel_x, y - halfpel_y, dir, data); |
290 : | interpolate8x8_avg2(Reference, ref1, ref2, iEdgedWidth, rounding, 8); | ||
291 : | interpolate8x8_avg2(Reference+8, ref1+8, ref2+8, iEdgedWidth, rounding, 8); | ||
292 : | interpolate8x8_avg2(Reference+8*iEdgedWidth, ref1+8*iEdgedWidth, ref2+8*iEdgedWidth, iEdgedWidth, rounding, 8); | ||
293 : | interpolate8x8_avg2(Reference+8*iEdgedWidth+8, ref1+8*iEdgedWidth+8, ref2+8*iEdgedWidth+8, iEdgedWidth, rounding, 8); | ||
294 : | break; | ||
295 : | chl | 184 | |
296 : | edgomez | 1053 | case 2: /* x qpel, y halfpel - left or right during qpel refinement */ |
297 : | edgomez | 851 | ref2 = GetReferenceB(x - halfpel_x, halfpel_y, dir, data); |
298 : | interpolate8x8_avg2(Reference, ref1, ref2, iEdgedWidth, rounding, 8); | ||
299 : | interpolate8x8_avg2(Reference+8, ref1+8, ref2+8, iEdgedWidth, rounding, 8); | ||
300 : | interpolate8x8_avg2(Reference+8*iEdgedWidth, ref1+8*iEdgedWidth, ref2+8*iEdgedWidth, iEdgedWidth, rounding, 8); | ||
301 : | interpolate8x8_avg2(Reference+8*iEdgedWidth+8, ref1+8*iEdgedWidth+8, ref2+8*iEdgedWidth+8, iEdgedWidth, rounding, 8); | ||
302 : | break; | ||
303 : | edgomez | 195 | |
304 : | edgomez | 1053 | default: /* pure halfpel position */ |
305 : | edgomez | 851 | return (uint8_t *) ref1; |
306 : | } | ||
307 : | return Reference; | ||
308 : | } | ||
309 : | edgomez | 195 | |
310 : | edgomez | 851 | /* CHECK_CANDIATE FUNCTIONS START */ |
311 : | edgomez | 195 | |
312 : | edgomez | 851 | static void |
313 : | CheckCandidate16(const int x, const int y, const int Direction, int * const dir, const SearchData * const data) | ||
314 : | { | ||
315 : | int xc, yc; | ||
316 : | const uint8_t * Reference; | ||
317 : | VECTOR * current; | ||
318 : | int32_t sad; uint32_t t; | ||
319 : | edgomez | 195 | |
320 : | edgomez | 851 | if ( (x > data->max_dx) || (x < data->min_dx) |
321 : | || (y > data->max_dy) || (y < data->min_dy) ) return; | ||
322 : | edgomez | 195 | |
323 : | edgomez | 851 | if (!data->qpel_precision) { |
324 : | Reference = GetReference(x, y, data); | ||
325 : | current = data->currentMV; | ||
326 : | xc = x; yc = y; | ||
327 : | edgomez | 1053 | } else { /* x and y are in 1/4 precision */ |
328 : | edgomez | 851 | Reference = Interpolate16x16qpel(x, y, 0, data); |
329 : | edgomez | 1053 | xc = x/2; yc = y/2; /* for chroma sad */ |
330 : | edgomez | 851 | current = data->currentQMV; |
331 : | } | ||
332 : | edgomez | 195 | |
333 : | edgomez | 851 | sad = sad16v(data->Cur, Reference, data->iEdgedWidth, data->temp + 1); |
334 : | t = d_mv_bits(x, y, data->predMV, data->iFcode, data->qpel^data->qpel_precision, 0); | ||
335 : | edgomez | 195 | |
336 : | edgomez | 851 | sad += (data->lambda16 * t * sad)>>10; |
337 : | data->temp[1] += (data->lambda8 * t * (data->temp[1] + NEIGH_8X8_BIAS))>>10; | ||
338 : | chl | 175 | |
339 : | syskin | 1084 | if (data->chroma && sad < data->iMinSAD[0]) |
340 : | sad += ChromaSAD((xc >> 1) + roundtab_79[xc & 0x3], | ||
341 : | (yc >> 1) + roundtab_79[yc & 0x3], data); | ||
342 : | edgomez | 195 | |
343 : | edgomez | 851 | if (sad < data->iMinSAD[0]) { |
344 : | data->iMinSAD[0] = sad; | ||
345 : | current[0].x = x; current[0].y = y; | ||
346 : | *dir = Direction; | ||
347 : | } | ||
348 : | edgomez | 195 | |
349 : | edgomez | 851 | if (data->temp[1] < data->iMinSAD[1]) { |
350 : | data->iMinSAD[1] = data->temp[1]; current[1].x = x; current[1].y = y; } | ||
351 : | if (data->temp[2] < data->iMinSAD[2]) { | ||
352 : | data->iMinSAD[2] = data->temp[2]; current[2].x = x; current[2].y = y; } | ||
353 : | if (data->temp[3] < data->iMinSAD[3]) { | ||
354 : | data->iMinSAD[3] = data->temp[3]; current[3].x = x; current[3].y = y; } | ||
355 : | if (data->temp[4] < data->iMinSAD[4]) { | ||
356 : | data->iMinSAD[4] = data->temp[4]; current[4].x = x; current[4].y = y; } | ||
357 : | Isibaar | 3 | } |
358 : | |||
359 : | edgomez | 851 | static void |
360 : | CheckCandidate8(const int x, const int y, const int Direction, int * const dir, const SearchData * const data) | ||
361 : | { | ||
362 : | int32_t sad; uint32_t t; | ||
363 : | const uint8_t * Reference; | ||
364 : | edgomez | 974 | VECTOR * current; |
365 : | chl | 326 | |
366 : | edgomez | 851 | if ( (x > data->max_dx) || (x < data->min_dx) |
367 : | || (y > data->max_dy) || (y < data->min_dy) ) return; | ||
368 : | Isibaar | 3 | |
369 : | edgomez | 974 | if (!data->qpel_precision) { |
370 : | Reference = GetReference(x, y, data); | ||
371 : | current = data->currentMV; | ||
372 : | edgomez | 1053 | } else { /* x and y are in 1/4 precision */ |
373 : | edgomez | 974 | Reference = Interpolate8x8qpel(x, y, 0, 0, data); |
374 : | current = data->currentQMV; | ||
375 : | } | ||
376 : | Isibaar | 3 | |
377 : | edgomez | 851 | sad = sad8(data->Cur, Reference, data->iEdgedWidth); |
378 : | t = d_mv_bits(x, y, data->predMV, data->iFcode, data->qpel^data->qpel_precision, 0); | ||
379 : | Isibaar | 3 | |
380 : | edgomez | 851 | sad += (data->lambda8 * t * (sad+NEIGH_8X8_BIAS))>>10; |
381 : | Isibaar | 3 | |
382 : | edgomez | 851 | if (sad < *(data->iMinSAD)) { |
383 : | *(data->iMinSAD) = sad; | ||
384 : | edgomez | 974 | current->x = x; current->y = y; |
385 : | edgomez | 851 | *dir = Direction; |
386 : | } | ||
387 : | Isibaar | 3 | } |
388 : | |||
389 : | edgomez | 851 | static void |
390 : | CheckCandidate32(const int x, const int y, const int Direction, int * const dir, const SearchData * const data) | ||
391 : | { | ||
392 : | uint32_t t; | ||
393 : | const uint8_t * Reference; | ||
394 : | |||
395 : | edgomez | 1053 | if ( (!(x&1) && x !=0) || (!(y&1) && y !=0) || /* non-zero even value */ |
396 : | edgomez | 851 | (x > data->max_dx) || (x < data->min_dx) |
397 : | || (y > data->max_dy) || (y < data->min_dy) ) return; | ||
398 : | |||
399 : | Reference = GetReference(x, y, data); | ||
400 : | t = d_mv_bits(x, y, data->predMV, data->iFcode, 0, 1); | ||
401 : | |||
402 : | data->temp[0] = sad32v_c(data->Cur, Reference, data->iEdgedWidth, data->temp + 1); | ||
403 : | |||
404 : | data->temp[0] += (data->lambda16 * t * data->temp[0]) >> 10; | ||
405 : | data->temp[1] += (data->lambda8 * t * (data->temp[1] + NEIGH_8X8_BIAS))>>10; | ||
406 : | |||
407 : | if (data->temp[0] < data->iMinSAD[0]) { | ||
408 : | data->iMinSAD[0] = data->temp[0]; | ||
409 : | data->currentMV[0].x = x; data->currentMV[0].y = y; | ||
410 : | *dir = Direction; } | ||
411 : | |||
412 : | if (data->temp[1] < data->iMinSAD[1]) { | ||
413 : | data->iMinSAD[1] = data->temp[1]; data->currentMV[1].x = x; data->currentMV[1].y = y; } | ||
414 : | if (data->temp[2] < data->iMinSAD[2]) { | ||
415 : | data->iMinSAD[2] = data->temp[2]; data->currentMV[2].x = x; data->currentMV[2].y = y; } | ||
416 : | if (data->temp[3] < data->iMinSAD[3]) { | ||
417 : | data->iMinSAD[3] = data->temp[3]; data->currentMV[3].x = x; data->currentMV[3].y = y; } | ||
418 : | if (data->temp[4] < data->iMinSAD[4]) { | ||
419 : | data->iMinSAD[4] = data->temp[4]; data->currentMV[4].x = x; data->currentMV[4].y = y; } | ||
420 : | Isibaar | 3 | } |
421 : | edgomez | 195 | |
422 : | edgomez | 851 | static void |
423 : | CheckCandidate16no4v(const int x, const int y, const int Direction, int * const dir, const SearchData * const data) | ||
424 : | { | ||
425 : | int32_t sad, xc, yc; | ||
426 : | const uint8_t * Reference; | ||
427 : | uint32_t t; | ||
428 : | VECTOR * current; | ||
429 : | |||
430 : | edgomez | 963 | if ( (x > data->max_dx) || ( x < data->min_dx) |
431 : | || (y > data->max_dy) || (y < data->min_dy) ) return; | ||
432 : | edgomez | 851 | |
433 : | edgomez | 1053 | if (data->rrv && (!(x&1) && x !=0) | (!(y&1) && y !=0) ) return; /* non-zero even value */ |
434 : | edgomez | 851 | |
435 : | edgomez | 1053 | if (data->qpel_precision) { /* x and y are in 1/4 precision */ |
436 : | edgomez | 851 | Reference = Interpolate16x16qpel(x, y, 0, data); |
437 : | current = data->currentQMV; | ||
438 : | xc = x/2; yc = y/2; | ||
439 : | } else { | ||
440 : | Reference = GetReference(x, y, data); | ||
441 : | current = data->currentMV; | ||
442 : | xc = x; yc = y; | ||
443 : | } | ||
444 : | t = d_mv_bits(x, y, data->predMV, data->iFcode, | ||
445 : | data->qpel^data->qpel_precision, data->rrv); | ||
446 : | |||
447 : | sad = sad16(data->Cur, Reference, data->iEdgedWidth, 256*4096); | ||
448 : | sad += (data->lambda16 * t * sad)>>10; | ||
449 : | |||
450 : | syskin | 1084 | if (data->chroma && sad < *data->iMinSAD) |
451 : | sad += ChromaSAD((xc >> 1) + roundtab_79[xc & 0x3], | ||
452 : | (yc >> 1) + roundtab_79[yc & 0x3], data); | ||
453 : | edgomez | 851 | |
454 : | if (sad < *(data->iMinSAD)) { | ||
455 : | *(data->iMinSAD) = sad; | ||
456 : | current->x = x; current->y = y; | ||
457 : | *dir = Direction; | ||
458 : | } | ||
459 : | chl | 96 | } |
460 : | Isibaar | 3 | |
461 : | edgomez | 851 | static void |
462 : | chl | 1077 | CheckCandidate16I(const int x, const int y, const int Direction, int * const dir, const SearchData * const data) |
463 : | { | ||
464 : | int sad; | ||
465 : | // int xc, yc; | ||
466 : | const uint8_t * Reference; | ||
467 : | // VECTOR * current; | ||
468 : | |||
469 : | if ( (x > data->max_dx) || ( x < data->min_dx) | ||
470 : | || (y > data->max_dy) || (y < data->min_dy) ) return; | ||
471 : | |||
472 : | Reference = GetReference(x, y, data); | ||
473 : | // xc = x; yc = y; | ||
474 : | |||
475 : | sad = sad16(data->Cur, Reference, data->iEdgedWidth, 256*4096); | ||
476 : | // sad += d_mv_bits(x, y, data->predMV, data->iFcode, 0, 0); | ||
477 : | |||
478 : | /* if (data->chroma) sad += ChromaSAD((xc >> 1) + roundtab_79[xc & 0x3], | ||
479 : | (yc >> 1) + roundtab_79[yc & 0x3], data); | ||
480 : | */ | ||
481 : | |||
482 : | if (sad < data->iMinSAD[0]) { | ||
483 : | data->iMinSAD[0] = sad; | ||
484 : | data->currentMV[0].x = x; data->currentMV[0].y = y; | ||
485 : | *dir = Direction; | ||
486 : | } | ||
487 : | } | ||
488 : | |||
489 : | static void | ||
490 : | edgomez | 851 | CheckCandidate32I(const int x, const int y, const int Direction, int * const dir, const SearchData * const data) |
491 : | { | ||
492 : | edgomez | 1053 | /* maximum speed - for P/B/I decision */ |
493 : | edgomez | 851 | int32_t sad; |
494 : | |||
495 : | if ( (x > data->max_dx) || (x < data->min_dx) | ||
496 : | || (y > data->max_dy) || (y < data->min_dy) ) return; | ||
497 : | |||
498 : | syskin | 1084 | sad = sad32v_c(data->Cur, data->RefP[0] + (x>>1) + (y>>1)*((int)data->iEdgedWidth), |
499 : | edgomez | 987 | data->iEdgedWidth, data->temp+1); |
500 : | edgomez | 851 | |
501 : | if (sad < *(data->iMinSAD)) { | ||
502 : | *(data->iMinSAD) = sad; | ||
503 : | data->currentMV[0].x = x; data->currentMV[0].y = y; | ||
504 : | *dir = Direction; | ||
505 : | } | ||
506 : | if (data->temp[1] < data->iMinSAD[1]) { | ||
507 : | data->iMinSAD[1] = data->temp[1]; data->currentMV[1].x = x; data->currentMV[1].y = y; } | ||
508 : | if (data->temp[2] < data->iMinSAD[2]) { | ||
509 : | data->iMinSAD[2] = data->temp[2]; data->currentMV[2].x = x; data->currentMV[2].y = y; } | ||
510 : | if (data->temp[3] < data->iMinSAD[3]) { | ||
511 : | data->iMinSAD[3] = data->temp[3]; data->currentMV[3].x = x; data->currentMV[3].y = y; } | ||
512 : | if (data->temp[4] < data->iMinSAD[4]) { | ||
513 : | data->iMinSAD[4] = data->temp[4]; data->currentMV[4].x = x; data->currentMV[4].y = y; } | ||
514 : | |||
515 : | Isibaar | 3 | } |
516 : | |||
517 : | edgomez | 851 | static void |
518 : | CheckCandidateInt(const int xf, const int yf, const int Direction, int * const dir, const SearchData * const data) | ||
519 : | { | ||
520 : | int32_t sad, xb, yb, xcf, ycf, xcb, ycb; | ||
521 : | uint32_t t; | ||
522 : | const uint8_t *ReferenceF, *ReferenceB; | ||
523 : | VECTOR *current; | ||
524 : | |||
525 : | edgomez | 953 | if ((xf > data->max_dx) || (xf < data->min_dx) || |
526 : | (yf > data->max_dy) || (yf < data->min_dy)) | ||
527 : | return; | ||
528 : | edgomez | 851 | |
529 : | if (!data->qpel_precision) { | ||
530 : | ReferenceF = GetReference(xf, yf, data); | ||
531 : | xb = data->currentMV[1].x; yb = data->currentMV[1].y; | ||
532 : | ReferenceB = GetReferenceB(xb, yb, 1, data); | ||
533 : | current = data->currentMV; | ||
534 : | xcf = xf; ycf = yf; | ||
535 : | xcb = xb; ycb = yb; | ||
536 : | } else { | ||
537 : | ReferenceF = Interpolate16x16qpel(xf, yf, 0, data); | ||
538 : | xb = data->currentQMV[1].x; yb = data->currentQMV[1].y; | ||
539 : | current = data->currentQMV; | ||
540 : | ReferenceB = Interpolate16x16qpel(xb, yb, 1, data); | ||
541 : | xcf = xf/2; ycf = yf/2; | ||
542 : | xcb = xb/2; ycb = yb/2; | ||
543 : | } | ||
544 : | |||
545 : | t = d_mv_bits(xf, yf, data->predMV, data->iFcode, data->qpel^data->qpel_precision, 0) | ||
546 : | + d_mv_bits(xb, yb, data->bpredMV, data->iFcode, data->qpel^data->qpel_precision, 0); | ||
547 : | |||
548 : | sad = sad16bi(data->Cur, ReferenceF, ReferenceB, data->iEdgedWidth); | ||
549 : | sad += (data->lambda16 * t * sad)>>10; | ||
550 : | |||
551 : | syskin | 1084 | if (data->chroma && sad < *data->iMinSAD) |
552 : | sad += ChromaSAD2((xcf >> 1) + roundtab_79[xcf & 0x3], | ||
553 : | (ycf >> 1) + roundtab_79[ycf & 0x3], | ||
554 : | (xcb >> 1) + roundtab_79[xcb & 0x3], | ||
555 : | (ycb >> 1) + roundtab_79[ycb & 0x3], data); | ||
556 : | edgomez | 851 | |
557 : | if (sad < *(data->iMinSAD)) { | ||
558 : | *(data->iMinSAD) = sad; | ||
559 : | current->x = xf; current->y = yf; | ||
560 : | *dir = Direction; | ||
561 : | } | ||
562 : | Isibaar | 3 | } |
563 : | |||
564 : | edgomez | 851 | static void |
565 : | CheckCandidateDirect(const int x, const int y, const int Direction, int * const dir, const SearchData * const data) | ||
566 : | { | ||
567 : | int32_t sad = 0, xcf = 0, ycf = 0, xcb = 0, ycb = 0; | ||
568 : | uint32_t k; | ||
569 : | const uint8_t *ReferenceF; | ||
570 : | const uint8_t *ReferenceB; | ||
571 : | VECTOR mvs, b_mvs; | ||
572 : | |||
573 : | edgomez | 953 | if (( x > 31) || ( x < -32) || ( y > 31) || (y < -32)) return; |
574 : | edgomez | 851 | |
575 : | for (k = 0; k < 4; k++) { | ||
576 : | mvs.x = data->directmvF[k].x + x; | ||
577 : | b_mvs.x = ((x == 0) ? | ||
578 : | data->directmvB[k].x | ||
579 : | : mvs.x - data->referencemv[k].x); | ||
580 : | |||
581 : | mvs.y = data->directmvF[k].y + y; | ||
582 : | b_mvs.y = ((y == 0) ? | ||
583 : | data->directmvB[k].y | ||
584 : | : mvs.y - data->referencemv[k].y); | ||
585 : | |||
586 : | edgomez | 953 | if ((mvs.x > data->max_dx) || (mvs.x < data->min_dx) || |
587 : | (mvs.y > data->max_dy) || (mvs.y < data->min_dy) || | ||
588 : | (b_mvs.x > data->max_dx) || (b_mvs.x < data->min_dx) || | ||
589 : | (b_mvs.y > data->max_dy) || (b_mvs.y < data->min_dy) ) | ||
590 : | return; | ||
591 : | edgomez | 851 | |
592 : | if (data->qpel) { | ||
593 : | xcf += mvs.x/2; ycf += mvs.y/2; | ||
594 : | xcb += b_mvs.x/2; ycb += b_mvs.y/2; | ||
595 : | } else { | ||
596 : | xcf += mvs.x; ycf += mvs.y; | ||
597 : | xcb += b_mvs.x; ycb += b_mvs.y; | ||
598 : | edgomez | 1053 | mvs.x *= 2; mvs.y *= 2; /* we move to qpel precision anyway */ |
599 : | edgomez | 851 | b_mvs.x *= 2; b_mvs.y *= 2; |
600 : | } | ||
601 : | |||
602 : | ReferenceF = Interpolate8x8qpel(mvs.x, mvs.y, k, 0, data); | ||
603 : | ReferenceB = Interpolate8x8qpel(b_mvs.x, b_mvs.y, k, 1, data); | ||
604 : | |||
605 : | sad += sad8bi(data->Cur + 8*(k&1) + 8*(k>>1)*(data->iEdgedWidth), | ||
606 : | ReferenceF, ReferenceB, data->iEdgedWidth); | ||
607 : | if (sad > *(data->iMinSAD)) return; | ||
608 : | } | ||
609 : | |||
610 : | sad += (data->lambda16 * d_mv_bits(x, y, zeroMV, 1, 0, 0) * sad)>>10; | ||
611 : | |||
612 : | syskin | 1084 | if (data->chroma && sad < *data->iMinSAD) |
613 : | sad += ChromaSAD2((xcf >> 3) + roundtab_76[xcf & 0xf], | ||
614 : | (ycf >> 3) + roundtab_76[ycf & 0xf], | ||
615 : | (xcb >> 3) + roundtab_76[xcb & 0xf], | ||
616 : | (ycb >> 3) + roundtab_76[ycb & 0xf], data); | ||
617 : | edgomez | 851 | |
618 : | if (sad < *(data->iMinSAD)) { | ||
619 : | *(data->iMinSAD) = sad; | ||
620 : | data->currentMV->x = x; data->currentMV->y = y; | ||
621 : | *dir = Direction; | ||
622 : | } | ||
623 : | Isibaar | 3 | } |
624 : | |||
625 : | edgomez | 851 | static void |
626 : | CheckCandidateDirectno4v(const int x, const int y, const int Direction, int * const dir, const SearchData * const data) | ||
627 : | Isibaar | 3 | { |
628 : | edgomez | 851 | int32_t sad, xcf, ycf, xcb, ycb; |
629 : | const uint8_t *ReferenceF; | ||
630 : | const uint8_t *ReferenceB; | ||
631 : | VECTOR mvs, b_mvs; | ||
632 : | Isibaar | 3 | |
633 : | edgomez | 963 | if (( x > 31) || ( x < -32) || ( y > 31) || (y < -32)) return; |
634 : | Isibaar | 3 | |
635 : | edgomez | 851 | mvs.x = data->directmvF[0].x + x; |
636 : | b_mvs.x = ((x == 0) ? | ||
637 : | data->directmvB[0].x | ||
638 : | : mvs.x - data->referencemv[0].x); | ||
639 : | Isibaar | 3 | |
640 : | edgomez | 851 | mvs.y = data->directmvF[0].y + y; |
641 : | b_mvs.y = ((y == 0) ? | ||
642 : | data->directmvB[0].y | ||
643 : | : mvs.y - data->referencemv[0].y); | ||
644 : | Isibaar | 3 | |
645 : | edgomez | 963 | if ( (mvs.x > data->max_dx) || (mvs.x < data->min_dx) |
646 : | || (mvs.y > data->max_dy) || (mvs.y < data->min_dy) | ||
647 : | || (b_mvs.x > data->max_dx) || (b_mvs.x < data->min_dx) | ||
648 : | || (b_mvs.y > data->max_dy) || (b_mvs.y < data->min_dy) ) return; | ||
649 : | Isibaar | 3 | |
650 : | edgomez | 851 | if (data->qpel) { |
651 : | xcf = 4*(mvs.x/2); ycf = 4*(mvs.y/2); | ||
652 : | xcb = 4*(b_mvs.x/2); ycb = 4*(b_mvs.y/2); | ||
653 : | ReferenceF = Interpolate16x16qpel(mvs.x, mvs.y, 0, data); | ||
654 : | ReferenceB = Interpolate16x16qpel(b_mvs.x, b_mvs.y, 1, data); | ||
655 : | } else { | ||
656 : | xcf = 4*mvs.x; ycf = 4*mvs.y; | ||
657 : | xcb = 4*b_mvs.x; ycb = 4*b_mvs.y; | ||
658 : | ReferenceF = GetReference(mvs.x, mvs.y, data); | ||
659 : | ReferenceB = GetReferenceB(b_mvs.x, b_mvs.y, 1, data); | ||
660 : | } | ||
661 : | |||
662 : | sad = sad16bi(data->Cur, ReferenceF, ReferenceB, data->iEdgedWidth); | ||
663 : | sad += (data->lambda16 * d_mv_bits(x, y, zeroMV, 1, 0, 0) * sad)>>10; | ||
664 : | |||
665 : | syskin | 1084 | if (data->chroma && sad < *data->iMinSAD) |
666 : | sad += ChromaSAD2((xcf >> 3) + roundtab_76[xcf & 0xf], | ||
667 : | (ycf >> 3) + roundtab_76[ycf & 0xf], | ||
668 : | (xcb >> 3) + roundtab_76[xcb & 0xf], | ||
669 : | (ycb >> 3) + roundtab_76[ycb & 0xf], data); | ||
670 : | edgomez | 851 | |
671 : | if (sad < *(data->iMinSAD)) { | ||
672 : | *(data->iMinSAD) = sad; | ||
673 : | data->currentMV->x = x; data->currentMV->y = y; | ||
674 : | *dir = Direction; | ||
675 : | } | ||
676 : | Isibaar | 3 | } |
677 : | |||
678 : | edgomez | 851 | |
679 : | static void | ||
680 : | syskin | 1108 | CheckCandidateRD16(const int x, const int y, const int Direction, int * const dir, const SearchData * const data) |
681 : | Isibaar | 3 | { |
682 : | |||
683 : | edgomez | 962 | int16_t *in = data->dctSpace, *coeff = data->dctSpace + 64; |
684 : | syskin | 1108 | int32_t rd = 0; |
685 : | edgomez | 851 | VECTOR * current; |
686 : | const uint8_t * ptr; | ||
687 : | int i, cbp = 0, t, xc, yc; | ||
688 : | edgomez | 195 | |
689 : | edgomez | 851 | if ( (x > data->max_dx) || (x < data->min_dx) |
690 : | || (y > data->max_dy) || (y < data->min_dy) ) return; | ||
691 : | edgomez | 195 | |
692 : | edgomez | 851 | if (!data->qpel_precision) { |
693 : | ptr = GetReference(x, y, data); | ||
694 : | current = data->currentMV; | ||
695 : | xc = x; yc = y; | ||
696 : | edgomez | 1053 | } else { /* x and y are in 1/4 precision */ |
697 : | edgomez | 851 | ptr = Interpolate16x16qpel(x, y, 0, data); |
698 : | current = data->currentQMV; | ||
699 : | xc = x/2; yc = y/2; | ||
700 : | } | ||
701 : | Isibaar | 3 | |
702 : | edgomez | 851 | for(i = 0; i < 4; i++) { |
703 : | int s = 8*((i&1) + (i>>1)*data->iEdgedWidth); | ||
704 : | transfer_8to16subro(in, data->Cur + s, ptr + s, data->iEdgedWidth); | ||
705 : | syskin | 1108 | rd += data->temp[i] = Block_CalcBits(coeff, in, data->dctSpace + 128, data->iQuant, data->quant_type, &cbp, i); |
706 : | edgomez | 851 | } |
707 : | Isibaar | 3 | |
708 : | syskin | 1108 | rd += t = BITS_MULT*d_mv_bits(x, y, data->predMV, data->iFcode, data->qpel^data->qpel_precision, 0); |
709 : | edgomez | 195 | |
710 : | syskin | 1071 | if (data->temp[0] + t < data->iMinSAD[1]) { |
711 : | syskin | 1084 | data->iMinSAD[1] = data->temp[0] + t; current[1].x = x; current[1].y = y; data->cbp[1] = (data->cbp[1]&~32) | cbp&32; } |
712 : | syskin | 1071 | if (data->temp[1] < data->iMinSAD[2]) { |
713 : | syskin | 1084 | data->iMinSAD[2] = data->temp[1]; current[2].x = x; current[2].y = y; data->cbp[1] = (data->cbp[1]&~16) | cbp&16; } |
714 : | syskin | 1071 | if (data->temp[2] < data->iMinSAD[3]) { |
715 : | syskin | 1084 | data->iMinSAD[3] = data->temp[2]; current[3].x = x; current[3].y = y; data->cbp[1] = (data->cbp[1]&~8) | cbp&8; } |
716 : | syskin | 1071 | if (data->temp[3] < data->iMinSAD[4]) { |
717 : | syskin | 1084 | data->iMinSAD[4] = data->temp[3]; current[4].x = x; current[4].y = y; data->cbp[1] = (data->cbp[1]&~4) | cbp&4; } |
718 : | syskin | 1071 | |
719 : | syskin | 1108 | rd += BITS_MULT*xvid_cbpy_tab[15-(cbp>>2)].len; |
720 : | edgomez | 851 | |
721 : | syskin | 1108 | if (rd >= data->iMinSAD[0]) return; |
722 : | edgomez | 851 | |
723 : | edgomez | 1053 | /* chroma */ |
724 : | edgomez | 1022 | xc = (xc >> 1) + roundtab_79[xc & 0x3]; |
725 : | yc = (yc >> 1) + roundtab_79[yc & 0x3]; | ||
726 : | edgomez | 851 | |
727 : | edgomez | 1053 | /* chroma U */ |
728 : | syskin | 1084 | ptr = interpolate8x8_switch2(data->RefQ, data->RefP[4], 0, 0, xc, yc, data->iEdgedWidth/2, data->rounding); |
729 : | transfer_8to16subro(in, data->CurU, ptr, data->iEdgedWidth/2); | ||
730 : | syskin | 1108 | rd += Block_CalcBits(coeff, in, data->dctSpace + 128, data->iQuant, data->quant_type, &cbp, 4); |
731 : | if (rd >= data->iMinSAD[0]) return; | ||
732 : | edgomez | 1022 | |
733 : | edgomez | 1053 | /* chroma V */ |
734 : | syskin | 1084 | ptr = interpolate8x8_switch2(data->RefQ, data->RefP[5], 0, 0, xc, yc, data->iEdgedWidth/2, data->rounding); |
735 : | transfer_8to16subro(in, data->CurV, ptr, data->iEdgedWidth/2); | ||
736 : | syskin | 1108 | rd += Block_CalcBits(coeff, in, data->dctSpace + 128, data->iQuant, data->quant_type, &cbp, 5); |
737 : | edgomez | 1022 | |
738 : | syskin | 1108 | rd += BITS_MULT*mcbpc_inter_tab[(MODE_INTER & 7) | ((cbp & 3) << 3)].len; |
739 : | edgomez | 851 | |
740 : | syskin | 1108 | if (rd < data->iMinSAD[0]) { |
741 : | data->iMinSAD[0] = rd; | ||
742 : | edgomez | 851 | current[0].x = x; current[0].y = y; |
743 : | *dir = Direction; | ||
744 : | syskin | 1084 | *data->cbp = cbp; |
745 : | edgomez | 851 | } |
746 : | syskin | 1071 | } |
747 : | edgomez | 851 | |
748 : | static void | ||
749 : | syskin | 1108 | CheckCandidateRD8(const int x, const int y, const int Direction, int * const dir, const SearchData * const data) |
750 : | chl | 96 | { |
751 : | |||
752 : | edgomez | 962 | int16_t *in = data->dctSpace, *coeff = data->dctSpace + 64; |
753 : | syskin | 1108 | int32_t rd; |
754 : | edgomez | 851 | VECTOR * current; |
755 : | const uint8_t * ptr; | ||
756 : | edgomez | 1022 | int cbp = 0; |
757 : | edgomez | 195 | |
758 : | edgomez | 851 | if ( (x > data->max_dx) || (x < data->min_dx) |
759 : | || (y > data->max_dy) || (y < data->min_dy) ) return; | ||
760 : | edgomez | 195 | |
761 : | edgomez | 851 | if (!data->qpel_precision) { |
762 : | ptr = GetReference(x, y, data); | ||
763 : | current = data->currentMV; | ||
764 : | edgomez | 1053 | } else { /* x and y are in 1/4 precision */ |
765 : | edgomez | 851 | ptr = Interpolate8x8qpel(x, y, 0, 0, data); |
766 : | current = data->currentQMV; | ||
767 : | } | ||
768 : | chl | 96 | |
769 : | edgomez | 851 | transfer_8to16subro(in, data->Cur, ptr, data->iEdgedWidth); |
770 : | syskin | 1108 | rd = Block_CalcBits(coeff, in, data->dctSpace + 128, data->iQuant, data->quant_type, &cbp, 5); |
771 : | rd += BITS_MULT*d_mv_bits(x, y, data->predMV, data->iFcode, data->qpel^data->qpel_precision, 0); | ||
772 : | chl | 96 | |
773 : | syskin | 1108 | if (rd < data->iMinSAD[0]) { |
774 : | syskin | 1084 | *data->cbp = cbp; |
775 : | syskin | 1108 | data->iMinSAD[0] = rd; |
776 : | edgomez | 851 | current[0].x = x; current[0].y = y; |
777 : | *dir = Direction; | ||
778 : | } | ||
779 : | } | ||
780 : | chl | 96 | |
781 : | edgomez | 851 | /* CHECK_CANDIATE FUNCTIONS END */ |
782 : | edgomez | 195 | |
783 : | edgomez | 851 | /* MAINSEARCH FUNCTIONS START */ |
784 : | chl | 96 | |
785 : | edgomez | 851 | static void |
786 : | AdvDiamondSearch(int x, int y, const SearchData * const data, int bDirection) | ||
787 : | { | ||
788 : | edgomez | 195 | |
789 : | edgomez | 851 | /* directions: 1 - left (x-1); 2 - right (x+1), 4 - up (y-1); 8 - down (y+1) */ |
790 : | edgomez | 195 | |
791 : | edgomez | 851 | int iDirection; |
792 : | edgomez | 195 | |
793 : | edgomez | 1053 | for(;;) { /* forever */ |
794 : | edgomez | 851 | iDirection = 0; |
795 : | if (bDirection & 1) CHECK_CANDIDATE(x - iDiamondSize, y, 1); | ||
796 : | if (bDirection & 2) CHECK_CANDIDATE(x + iDiamondSize, y, 2); | ||
797 : | if (bDirection & 4) CHECK_CANDIDATE(x, y - iDiamondSize, 4); | ||
798 : | if (bDirection & 8) CHECK_CANDIDATE(x, y + iDiamondSize, 8); | ||
799 : | edgomez | 195 | |
800 : | edgomez | 851 | /* now we're doing diagonal checks near our candidate */ |
801 : | edgomez | 195 | |
802 : | edgomez | 1053 | if (iDirection) { /* if anything found */ |
803 : | edgomez | 851 | bDirection = iDirection; |
804 : | iDirection = 0; | ||
805 : | x = data->currentMV->x; y = data->currentMV->y; | ||
806 : | edgomez | 1053 | if (bDirection & 3) { /* our candidate is left or right */ |
807 : | edgomez | 851 | CHECK_CANDIDATE(x, y + iDiamondSize, 8); |
808 : | CHECK_CANDIDATE(x, y - iDiamondSize, 4); | ||
809 : | edgomez | 1053 | } else { /* what remains here is up or down */ |
810 : | edgomez | 851 | CHECK_CANDIDATE(x + iDiamondSize, y, 2); |
811 : | CHECK_CANDIDATE(x - iDiamondSize, y, 1); | ||
812 : | } | ||
813 : | edgomez | 195 | |
814 : | edgomez | 851 | if (iDirection) { |
815 : | bDirection += iDirection; | ||
816 : | x = data->currentMV->x; y = data->currentMV->y; | ||
817 : | } | ||
818 : | edgomez | 1053 | } else { /* about to quit, eh? not so fast.... */ |
819 : | edgomez | 851 | switch (bDirection) { |
820 : | case 2: | ||
821 : | CHECK_CANDIDATE(x + iDiamondSize, y - iDiamondSize, 2 + 4); | ||
822 : | CHECK_CANDIDATE(x + iDiamondSize, y + iDiamondSize, 2 + 8); | ||
823 : | edgomez | 195 | break; |
824 : | edgomez | 851 | case 1: |
825 : | CHECK_CANDIDATE(x - iDiamondSize, y - iDiamondSize, 1 + 4); | ||
826 : | CHECK_CANDIDATE(x - iDiamondSize, y + iDiamondSize, 1 + 8); | ||
827 : | edgomez | 195 | break; |
828 : | edgomez | 851 | case 2 + 4: |
829 : | CHECK_CANDIDATE(x - iDiamondSize, y - iDiamondSize, 1 + 4); | ||
830 : | CHECK_CANDIDATE(x + iDiamondSize, y - iDiamondSize, 2 + 4); | ||
831 : | CHECK_CANDIDATE(x + iDiamondSize, y + iDiamondSize, 2 + 8); | ||
832 : | break; | ||
833 : | case 4: | ||
834 : | CHECK_CANDIDATE(x + iDiamondSize, y - iDiamondSize, 2 + 4); | ||
835 : | CHECK_CANDIDATE(x - iDiamondSize, y - iDiamondSize, 1 + 4); | ||
836 : | break; | ||
837 : | edgomez | 195 | case 8: |
838 : | edgomez | 851 | CHECK_CANDIDATE(x + iDiamondSize, y + iDiamondSize, 2 + 8); |
839 : | CHECK_CANDIDATE(x - iDiamondSize, y + iDiamondSize, 1 + 8); | ||
840 : | edgomez | 195 | break; |
841 : | edgomez | 851 | case 1 + 4: |
842 : | CHECK_CANDIDATE(x - iDiamondSize, y + iDiamondSize, 1 + 8); | ||
843 : | CHECK_CANDIDATE(x - iDiamondSize, y - iDiamondSize, 1 + 4); | ||
844 : | CHECK_CANDIDATE(x + iDiamondSize, y - iDiamondSize, 2 + 4); | ||
845 : | edgomez | 195 | break; |
846 : | edgomez | 851 | case 2 + 8: |
847 : | CHECK_CANDIDATE(x - iDiamondSize, y - iDiamondSize, 1 + 4); | ||
848 : | CHECK_CANDIDATE(x - iDiamondSize, y + iDiamondSize, 1 + 8); | ||
849 : | CHECK_CANDIDATE(x + iDiamondSize, y + iDiamondSize, 2 + 8); | ||
850 : | break; | ||
851 : | case 1 + 8: | ||
852 : | CHECK_CANDIDATE(x + iDiamondSize, y - iDiamondSize, 2 + 4); | ||
853 : | CHECK_CANDIDATE(x + iDiamondSize, y + iDiamondSize, 2 + 8); | ||
854 : | CHECK_CANDIDATE(x - iDiamondSize, y + iDiamondSize, 1 + 8); | ||
855 : | break; | ||
856 : | edgomez | 1053 | default: /* 1+2+4+8 == we didn't find anything at all */ |
857 : | edgomez | 851 | CHECK_CANDIDATE(x - iDiamondSize, y - iDiamondSize, 1 + 4); |
858 : | CHECK_CANDIDATE(x - iDiamondSize, y + iDiamondSize, 1 + 8); | ||
859 : | CHECK_CANDIDATE(x + iDiamondSize, y - iDiamondSize, 2 + 4); | ||
860 : | CHECK_CANDIDATE(x + iDiamondSize, y + iDiamondSize, 2 + 8); | ||
861 : | break; | ||
862 : | chl | 96 | } |
863 : | edgomez | 1053 | if (!iDirection) break; /* ok, the end. really */ |
864 : | edgomez | 851 | bDirection = iDirection; |
865 : | x = data->currentMV->x; y = data->currentMV->y; | ||
866 : | chl | 345 | } |
867 : | edgomez | 195 | } |
868 : | chl | 96 | } |
869 : | |||
870 : | edgomez | 851 | static void |
871 : | SquareSearch(int x, int y, const SearchData * const data, int bDirection) | ||
872 : | chl | 96 | { |
873 : | edgomez | 851 | int iDirection; |
874 : | edgomez | 195 | |
875 : | edgomez | 851 | do { |
876 : | iDirection = 0; | ||
877 : | if (bDirection & 1) CHECK_CANDIDATE(x - iDiamondSize, y, 1+16+64); | ||
878 : | if (bDirection & 2) CHECK_CANDIDATE(x + iDiamondSize, y, 2+32+128); | ||
879 : | if (bDirection & 4) CHECK_CANDIDATE(x, y - iDiamondSize, 4+16+32); | ||
880 : | if (bDirection & 8) CHECK_CANDIDATE(x, y + iDiamondSize, 8+64+128); | ||
881 : | if (bDirection & 16) CHECK_CANDIDATE(x - iDiamondSize, y - iDiamondSize, 1+4+16+32+64); | ||
882 : | if (bDirection & 32) CHECK_CANDIDATE(x + iDiamondSize, y - iDiamondSize, 2+4+16+32+128); | ||
883 : | if (bDirection & 64) CHECK_CANDIDATE(x - iDiamondSize, y + iDiamondSize, 1+8+16+64+128); | ||
884 : | if (bDirection & 128) CHECK_CANDIDATE(x + iDiamondSize, y + iDiamondSize, 2+8+32+64+128); | ||
885 : | chl | 96 | |
886 : | edgomez | 851 | bDirection = iDirection; |
887 : | x = data->currentMV->x; y = data->currentMV->y; | ||
888 : | } while (iDirection); | ||
889 : | chl | 96 | } |
890 : | |||
891 : | edgomez | 851 | static void |
892 : | DiamondSearch(int x, int y, const SearchData * const data, int bDirection) | ||
893 : | chl | 181 | { |
894 : | |||
895 : | /* directions: 1 - left (x-1); 2 - right (x+1), 4 - up (y-1); 8 - down (y+1) */ | ||
896 : | |||
897 : | edgomez | 851 | int iDirection; |
898 : | edgomez | 195 | |
899 : | edgomez | 851 | do { |
900 : | iDirection = 0; | ||
901 : | if (bDirection & 1) CHECK_CANDIDATE(x - iDiamondSize, y, 1); | ||
902 : | if (bDirection & 2) CHECK_CANDIDATE(x + iDiamondSize, y, 2); | ||
903 : | if (bDirection & 4) CHECK_CANDIDATE(x, y - iDiamondSize, 4); | ||
904 : | if (bDirection & 8) CHECK_CANDIDATE(x, y + iDiamondSize, 8); | ||
905 : | |||
906 : | /* now we're doing diagonal checks near our candidate */ | ||
907 : | |||
908 : | edgomez | 1053 | if (iDirection) { /* checking if anything found */ |
909 : | edgomez | 851 | bDirection = iDirection; |
910 : | chl | 181 | iDirection = 0; |
911 : | edgomez | 851 | x = data->currentMV->x; y = data->currentMV->y; |
912 : | edgomez | 1053 | if (bDirection & 3) { /* our candidate is left or right */ |
913 : | edgomez | 851 | CHECK_CANDIDATE(x, y + iDiamondSize, 8); |
914 : | CHECK_CANDIDATE(x, y - iDiamondSize, 4); | ||
915 : | edgomez | 1053 | } else { /* what remains here is up or down */ |
916 : | edgomez | 851 | CHECK_CANDIDATE(x + iDiamondSize, y, 2); |
917 : | CHECK_CANDIDATE(x - iDiamondSize, y, 1); | ||
918 : | } | ||
919 : | bDirection += iDirection; | ||
920 : | x = data->currentMV->x; y = data->currentMV->y; | ||
921 : | } | ||
922 : | } | ||
923 : | while (iDirection); | ||
924 : | } | ||
925 : | chl | 181 | |
926 : | edgomez | 851 | /* MAINSEARCH FUNCTIONS END */ |
927 : | chl | 181 | |
928 : | edgomez | 851 | static void |
929 : | SubpelRefine(const SearchData * const data) | ||
930 : | { | ||
931 : | /* Do a half-pel or q-pel refinement */ | ||
932 : | const VECTOR centerMV = data->qpel_precision ? *data->currentQMV : *data->currentMV; | ||
933 : | edgomez | 1053 | int iDirection; /* only needed because macro expects it */ |
934 : | chl | 181 | |
935 : | edgomez | 851 | CHECK_CANDIDATE(centerMV.x, centerMV.y - 1, 0); |
936 : | CHECK_CANDIDATE(centerMV.x + 1, centerMV.y - 1, 0); | ||
937 : | CHECK_CANDIDATE(centerMV.x + 1, centerMV.y, 0); | ||
938 : | CHECK_CANDIDATE(centerMV.x + 1, centerMV.y + 1, 0); | ||
939 : | CHECK_CANDIDATE(centerMV.x, centerMV.y + 1, 0); | ||
940 : | CHECK_CANDIDATE(centerMV.x - 1, centerMV.y + 1, 0); | ||
941 : | CHECK_CANDIDATE(centerMV.x - 1, centerMV.y, 0); | ||
942 : | CHECK_CANDIDATE(centerMV.x - 1, centerMV.y - 1, 0); | ||
943 : | } | ||
944 : | chl | 181 | |
945 : | edgomez | 851 | static __inline int |
946 : | SkipDecisionP(const IMAGE * current, const IMAGE * reference, | ||
947 : | const int x, const int y, | ||
948 : | const uint32_t stride, const uint32_t iQuant, int rrv) | ||
949 : | chl | 181 | |
950 : | edgomez | 851 | { |
951 : | edgomez | 963 | int offset = (x + y*stride)*8; |
952 : | edgomez | 851 | if(!rrv) { |
953 : | edgomez | 963 | uint32_t sadC = sad8(current->u + offset, |
954 : | reference->u + offset, stride); | ||
955 : | edgomez | 851 | if (sadC > iQuant * MAX_CHROMA_SAD_FOR_SKIP) return 0; |
956 : | edgomez | 963 | sadC += sad8(current->v + offset, |
957 : | reference->v + offset, stride); | ||
958 : | edgomez | 851 | if (sadC > iQuant * MAX_CHROMA_SAD_FOR_SKIP) return 0; |
959 : | return 1; | ||
960 : | chl | 181 | |
961 : | edgomez | 851 | } else { |
962 : | edgomez | 963 | uint32_t sadC = sad16(current->u + 2*offset, |
963 : | reference->u + 2*offset, stride, 256*4096); | ||
964 : | edgomez | 851 | if (sadC > iQuant * MAX_CHROMA_SAD_FOR_SKIP*4) return 0; |
965 : | edgomez | 963 | sadC += sad16(current->v + 2*offset, |
966 : | reference->v + 2*offset, stride, 256*4096); | ||
967 : | edgomez | 851 | if (sadC > iQuant * MAX_CHROMA_SAD_FOR_SKIP*4) return 0; |
968 : | return 1; | ||
969 : | chl | 181 | } |
970 : | edgomez | 851 | } |
971 : | edgomez | 504 | |
972 : | edgomez | 851 | static __inline void |
973 : | Isibaar | 1095 | ZeroMacroblockP(MACROBLOCK *pMB, const int32_t sad) |
974 : | { | ||
975 : | pMB->mode = MODE_INTER; | ||
976 : | pMB->mvs[0] = pMB->mvs[1] = pMB->mvs[2] = pMB->mvs[3] = zeroMV; | ||
977 : | pMB->qmvs[0] = pMB->qmvs[1] = pMB->qmvs[2] = pMB->qmvs[3] = zeroMV; | ||
978 : | pMB->sad16 = pMB->sad8[0] = pMB->sad8[1] = pMB->sad8[2] = pMB->sad8[3] = sad; | ||
979 : | } | ||
980 : | |||
981 : | static __inline void | ||
982 : | edgomez | 1022 | ModeDecision(SearchData * const Data, |
983 : | MACROBLOCK * const pMB, | ||
984 : | const MACROBLOCK * const pMBs, | ||
985 : | const int x, const int y, | ||
986 : | const MBParam * const pParam, | ||
987 : | const uint32_t MotionFlags, | ||
988 : | const uint32_t VopFlags, | ||
989 : | const uint32_t VolFlags, | ||
990 : | const IMAGE * const pCurrent, | ||
991 : | syskin | 1084 | const IMAGE * const pRef, |
992 : | const IMAGE * const vGMC, | ||
993 : | const int coding_type) | ||
994 : | edgomez | 1022 | { |
995 : | int mode = MODE_INTER; | ||
996 : | syskin | 1084 | int mcsel = 0; |
997 : | edgomez | 1022 | int inter4v = (VopFlags & XVID_VOP_INTER4V) && (pMB->dquant == 0); |
998 : | const uint32_t iQuant = pMB->quant; | ||
999 : | |||
1000 : | syskin | 1084 | const int skip_possible = (coding_type == P_VOP) && (pMB->dquant == 0); |
1001 : | edgomez | 1022 | |
1002 : | syskin | 1084 | pMB->mcsel = 0; |
1003 : | |||
1004 : | edgomez | 1107 | if (!(VopFlags & XVID_VOP_MODEDECISION_RD)) { /* normal, fast, SAD-based mode decision */ |
1005 : | edgomez | 1022 | int sad; |
1006 : | int InterBias = MV16_INTER_BIAS; | ||
1007 : | if (inter4v == 0 || Data->iMinSAD[0] < Data->iMinSAD[1] + Data->iMinSAD[2] + | ||
1008 : | Data->iMinSAD[3] + Data->iMinSAD[4] + IMV16X16 * (int32_t)iQuant) { | ||
1009 : | mode = MODE_INTER; | ||
1010 : | sad = Data->iMinSAD[0]; | ||
1011 : | } else { | ||
1012 : | mode = MODE_INTER4V; | ||
1013 : | sad = Data->iMinSAD[1] + Data->iMinSAD[2] + | ||
1014 : | Data->iMinSAD[3] + Data->iMinSAD[4] + IMV16X16 * (int32_t)iQuant; | ||
1015 : | Data->iMinSAD[0] = sad; | ||
1016 : | } | ||
1017 : | |||
1018 : | /* final skip decision, a.k.a. "the vector you found, really that good?" */ | ||
1019 : | if (skip_possible && (pMB->sad16 < (int)iQuant * MAX_SAD00_FOR_SKIP)) | ||
1020 : | if ( (100*sad)/(pMB->sad16+1) > FINAL_SKIP_THRESH) | ||
1021 : | if (Data->chroma || SkipDecisionP(pCurrent, pRef, x, y, Data->iEdgedWidth/2, iQuant, Data->rrv)) { | ||
1022 : | mode = MODE_NOT_CODED; | ||
1023 : | sad = 0; | ||
1024 : | } | ||
1025 : | |||
1026 : | syskin | 1084 | /* mcsel */ |
1027 : | if (coding_type == S_VOP) { | ||
1028 : | |||
1029 : | int32_t iSAD = sad16(Data->Cur, | ||
1030 : | vGMC->y + 16*y*Data->iEdgedWidth + 16*x, Data->iEdgedWidth, 65536); | ||
1031 : | |||
1032 : | if (Data->chroma) { | ||
1033 : | iSAD += sad8(Data->CurU, vGMC->u + 8*y*(Data->iEdgedWidth/2) + 8*x, Data->iEdgedWidth/2); | ||
1034 : | iSAD += sad8(Data->CurV, vGMC->v + 8*y*(Data->iEdgedWidth/2) + 8*x, Data->iEdgedWidth/2); | ||
1035 : | } | ||
1036 : | |||
1037 : | if (iSAD <= sad) { /* mode decision GMC */ | ||
1038 : | mode = MODE_INTER; | ||
1039 : | mcsel = 1; | ||
1040 : | sad = iSAD; | ||
1041 : | } | ||
1042 : | |||
1043 : | } | ||
1044 : | |||
1045 : | edgomez | 1022 | /* intra decision */ |
1046 : | |||
1047 : | edgomez | 1053 | if (iQuant > 8) InterBias += 100 * (iQuant - 8); /* to make high quants work */ |
1048 : | edgomez | 1022 | if (y != 0) |
1049 : | if ((pMB - pParam->mb_width)->mode == MODE_INTRA ) InterBias -= 80; | ||
1050 : | if (x != 0) | ||
1051 : | if ((pMB - 1)->mode == MODE_INTRA ) InterBias -= 80; | ||
1052 : | |||
1053 : | syskin | 1084 | if (Data->chroma) InterBias += 50; /* dev8(chroma) ??? <-- yes, we need dev8 (no big difference though) */ |
1054 : | edgomez | 1022 | if (Data->rrv) InterBias *= 4; |
1055 : | |||
1056 : | syskin | 1084 | if (InterBias < sad) { |
1057 : | edgomez | 1022 | int32_t deviation; |
1058 : | syskin | 1084 | if (!Data->rrv) |
1059 : | deviation = dev16(Data->Cur, Data->iEdgedWidth); | ||
1060 : | else | ||
1061 : | deviation = dev16(Data->Cur, Data->iEdgedWidth) + /* dev32() */ | ||
1062 : | dev16(Data->Cur+16, Data->iEdgedWidth) + | ||
1063 : | dev16(Data->Cur + 16*Data->iEdgedWidth, Data->iEdgedWidth) + | ||
1064 : | dev16(Data->Cur+16+16*Data->iEdgedWidth, Data->iEdgedWidth); | ||
1065 : | edgomez | 1022 | |
1066 : | if (deviation < (sad - InterBias)) mode = MODE_INTRA; | ||
1067 : | } | ||
1068 : | |||
1069 : | syskin | 1084 | pMB->cbp = 63; |
1070 : | pMB->sad16 = pMB->sad8[0] = pMB->sad8[1] = pMB->sad8[2] = pMB->sad8[3] = sad; | ||
1071 : | |||
1072 : | syskin | 1108 | } else { /* Rate-Distortion */ |
1073 : | edgomez | 1022 | |
1074 : | syskin | 1108 | int min_rd, intra_rd, i, cbp, c[2] = {0, 0}; |
1075 : | edgomez | 1022 | VECTOR backup[5], *v; |
1076 : | Data->iQuant = iQuant; | ||
1077 : | syskin | 1084 | Data->cbp = c; |
1078 : | edgomez | 1022 | |
1079 : | v = Data->qpel ? Data->currentQMV : Data->currentMV; | ||
1080 : | for (i = 0; i < 5; i++) { | ||
1081 : | Data->iMinSAD[i] = 256*4096; | ||
1082 : | backup[i] = v[i]; | ||
1083 : | } | ||
1084 : | |||
1085 : | syskin | 1108 | min_rd = findRDinter(Data, pMBs, x, y, pParam, MotionFlags); |
1086 : | syskin | 1084 | cbp = *Data->cbp; |
1087 : | |||
1088 : | if (coding_type == S_VOP) { | ||
1089 : | syskin | 1108 | int gmc_rd; |
1090 : | *Data->iMinSAD = min_rd += BITS_MULT*1; /* mcsel */ | ||
1091 : | gmc_rd = findRDgmc(Data, vGMC, x, y); | ||
1092 : | if (gmc_rd < min_rd) { | ||
1093 : | syskin | 1084 | mcsel = 1; |
1094 : | syskin | 1108 | *Data->iMinSAD = min_rd = gmc_rd; |
1095 : | syskin | 1084 | mode = MODE_INTER; |
1096 : | cbp = *Data->cbp; | ||
1097 : | edgomez | 1022 | } |
1098 : | syskin | 1084 | } |
1099 : | edgomez | 1022 | |
1100 : | syskin | 1084 | if (inter4v) { |
1101 : | syskin | 1108 | int v4_rd; |
1102 : | v4_rd = findRDinter4v(Data, pMB, pMBs, x, y, pParam, MotionFlags, backup); | ||
1103 : | if (v4_rd < min_rd) { | ||
1104 : | Data->iMinSAD[0] = min_rd = v4_rd; | ||
1105 : | syskin | 1084 | mode = MODE_INTER4V; |
1106 : | cbp = *Data->cbp; | ||
1107 : | } | ||
1108 : | } | ||
1109 : | edgomez | 1022 | |
1110 : | syskin | 1108 | intra_rd = findRDintra(Data); |
1111 : | if (intra_rd < min_rd) { | ||
1112 : | *Data->iMinSAD = min_rd = intra_rd; | ||
1113 : | syskin | 1084 | mode = MODE_INTRA; |
1114 : | edgomez | 1022 | } |
1115 : | syskin | 1084 | |
1116 : | pMB->sad16 = pMB->sad8[0] = pMB->sad8[1] = pMB->sad8[2] = pMB->sad8[3] = 0; | ||
1117 : | pMB->cbp = cbp; | ||
1118 : | edgomez | 1022 | } |
1119 : | |||
1120 : | if (Data->rrv) { | ||
1121 : | Data->currentMV[0].x = RRV_MV_SCALEDOWN(Data->currentMV[0].x); | ||
1122 : | Data->currentMV[0].y = RRV_MV_SCALEDOWN(Data->currentMV[0].y); | ||
1123 : | } | ||
1124 : | |||
1125 : | syskin | 1084 | if (mode == MODE_INTER && mcsel == 0) { |
1126 : | edgomez | 1022 | pMB->mvs[0] = pMB->mvs[1] = pMB->mvs[2] = pMB->mvs[3] = Data->currentMV[0]; |
1127 : | |||
1128 : | if(Data->qpel) { | ||
1129 : | pMB->qmvs[0] = pMB->qmvs[1] | ||
1130 : | = pMB->qmvs[2] = pMB->qmvs[3] = Data->currentQMV[0]; | ||
1131 : | pMB->pmvs[0].x = Data->currentQMV[0].x - Data->predMV.x; | ||
1132 : | pMB->pmvs[0].y = Data->currentQMV[0].y - Data->predMV.y; | ||
1133 : | } else { | ||
1134 : | pMB->pmvs[0].x = Data->currentMV[0].x - Data->predMV.x; | ||
1135 : | pMB->pmvs[0].y = Data->currentMV[0].y - Data->predMV.y; | ||
1136 : | } | ||
1137 : | |||
1138 : | syskin | 1084 | } else if (mode == MODE_INTER ) { // but mcsel == 1 |
1139 : | |||
1140 : | pMB->mcsel = 1; | ||
1141 : | if (Data->qpel) { | ||
1142 : | pMB->qmvs[0] = pMB->qmvs[1] = pMB->qmvs[2] = pMB->qmvs[3] = pMB->amv; | ||
1143 : | pMB->mvs[0].x = pMB->mvs[1].x = pMB->mvs[2].x = pMB->mvs[3].x = pMB->amv.x/2; | ||
1144 : | pMB->mvs[0].y = pMB->mvs[1].y = pMB->mvs[2].y = pMB->mvs[3].y = pMB->amv.y/2; | ||
1145 : | } else | ||
1146 : | pMB->mvs[0] = pMB->mvs[1] = pMB->mvs[2] = pMB->mvs[3] = pMB->amv; | ||
1147 : | |||
1148 : | } else | ||
1149 : | if (mode == MODE_INTER4V) ; /* anything here? */ | ||
1150 : | else /* INTRA, NOT_CODED */ | ||
1151 : | syskin | 1108 | ZeroMacroblockP(pMB, 0); |
1152 : | edgomez | 1022 | |
1153 : | pMB->mode = mode; | ||
1154 : | } | ||
1155 : | |||
1156 : | edgomez | 851 | bool |
1157 : | MotionEstimation(MBParam * const pParam, | ||
1158 : | FRAMEINFO * const current, | ||
1159 : | FRAMEINFO * const reference, | ||
1160 : | const IMAGE * const pRefH, | ||
1161 : | const IMAGE * const pRefV, | ||
1162 : | const IMAGE * const pRefHV, | ||
1163 : | chl | 1077 | const IMAGE * const pGMC, |
1164 : | edgomez | 851 | const uint32_t iLimit) |
1165 : | chl | 181 | { |
1166 : | edgomez | 851 | MACROBLOCK *const pMBs = current->mbs; |
1167 : | const IMAGE *const pCurrent = ¤t->image; | ||
1168 : | const IMAGE *const pRef = &reference->image; | ||
1169 : | chl | 181 | |
1170 : | edgomez | 851 | uint32_t mb_width = pParam->mb_width; |
1171 : | uint32_t mb_height = pParam->mb_height; | ||
1172 : | const uint32_t iEdgedWidth = pParam->edged_width; | ||
1173 : | suxen_drol | 890 | const uint32_t MotionFlags = MakeGoodMotionFlags(current->motion_flags, current->vop_flags, current->vol_flags); |
1174 : | chl | 181 | |
1175 : | edgomez | 851 | uint32_t x, y; |
1176 : | uint32_t iIntra = 0; | ||
1177 : | syskin | 1108 | int32_t sad00; |
1178 : | chl | 1077 | int skip_thresh = INITIAL_SKIP_THRESH * \ |
1179 : | edgomez | 953 | (current->vop_flags & XVID_VOP_REDUCED ? 4:1) * \ |
1180 : | edgomez | 1107 | (current->vop_flags & XVID_VOP_MODEDECISION_RD ? 2:1); |
1181 : | chl | 181 | |
1182 : | edgomez | 1053 | /* some pre-initialized thingies for SearchP */ |
1183 : | edgomez | 851 | int32_t temp[8]; |
1184 : | VECTOR currentMV[5]; | ||
1185 : | VECTOR currentQMV[5]; | ||
1186 : | int32_t iMinSAD[5]; | ||
1187 : | syskin | 1075 | DECLARE_ALIGNED_MATRIX(dct_space, 3, 64, int16_t, CACHE_LINE); |
1188 : | edgomez | 851 | SearchData Data; |
1189 : | memset(&Data, 0, sizeof(SearchData)); | ||
1190 : | Data.iEdgedWidth = iEdgedWidth; | ||
1191 : | Data.currentMV = currentMV; | ||
1192 : | Data.currentQMV = currentQMV; | ||
1193 : | Data.iMinSAD = iMinSAD; | ||
1194 : | Data.temp = temp; | ||
1195 : | Data.iFcode = current->fcode; | ||
1196 : | Data.rounding = pParam->m_rounding_type; | ||
1197 : | edgomez | 963 | Data.qpel = (current->vol_flags & XVID_VOL_QUARTERPEL ? 1:0); |
1198 : | edgomez | 1107 | Data.chroma = MotionFlags & XVID_ME_CHROMA_PVOP; |
1199 : | chl | 1077 | Data.rrv = (current->vop_flags & XVID_VOP_REDUCED) ? 1:0; |
1200 : | edgomez | 962 | Data.dctSpace = dct_space; |
1201 : | edgomez | 1022 | Data.quant_type = !(pParam->vol_flags & XVID_VOL_MPEGQUANT); |
1202 : | edgomez | 195 | |
1203 : | edgomez | 949 | if ((current->vop_flags & XVID_VOP_REDUCED)) { |
1204 : | edgomez | 851 | mb_width = (pParam->width + 31) / 32; |
1205 : | mb_height = (pParam->height + 31) / 32; | ||
1206 : | Data.qpel = 0; | ||
1207 : | } | ||
1208 : | chl | 181 | |
1209 : | edgomez | 1053 | Data.RefQ = pRefV->u; /* a good place, also used in MC (for similar purpose) */ |
1210 : | edgomez | 851 | if (sadInit) (*sadInit) (); |
1211 : | chl | 181 | |
1212 : | edgomez | 851 | for (y = 0; y < mb_height; y++) { |
1213 : | for (x = 0; x < mb_width; x++) { | ||
1214 : | MACROBLOCK *pMB = &pMBs[x + y * pParam->mb_width]; | ||
1215 : | chl | 181 | |
1216 : | edgomez | 851 | if (!Data.rrv) pMB->sad16 = |
1217 : | sad16v(pCurrent->y + (x + y * iEdgedWidth) * 16, | ||
1218 : | pRef->y + (x + y * iEdgedWidth) * 16, | ||
1219 : | pParam->edged_width, pMB->sad8 ); | ||
1220 : | chl | 181 | |
1221 : | edgomez | 851 | else pMB->sad16 = |
1222 : | sad32v_c(pCurrent->y + (x + y * iEdgedWidth) * 32, | ||
1223 : | pRef->y + (x + y * iEdgedWidth) * 32, | ||
1224 : | pParam->edged_width, pMB->sad8 ); | ||
1225 : | chl | 181 | |
1226 : | edgomez | 851 | if (Data.chroma) { |
1227 : | Data.temp[7] = sad8(pCurrent->u + x*8 + y*(iEdgedWidth/2)*8, | ||
1228 : | pRef->u + x*8 + y*(iEdgedWidth/2)*8, iEdgedWidth/2) | ||
1229 : | + sad8(pCurrent->v + (x + y*(iEdgedWidth/2))*8, | ||
1230 : | pRef->v + (x + y*(iEdgedWidth/2))*8, iEdgedWidth/2); | ||
1231 : | pMB->sad16 += Data.temp[7]; | ||
1232 : | } | ||
1233 : | |||
1234 : | sad00 = pMB->sad16; | ||
1235 : | |||
1236 : | edgomez | 1053 | /* initial skip decision */ |
1237 : | /* no early skip for GMC (global vector = skip vector is unknown!) */ | ||
1238 : | syskin | 1084 | if (current->coding_type != S_VOP) { /* no fast SKIP for S(GMC)-VOPs */ |
1239 : | edgomez | 953 | if (pMB->dquant == 0 && sad00 < pMB->quant * skip_thresh) |
1240 : | edgomez | 851 | if (Data.chroma || SkipDecisionP(pCurrent, pRef, x, y, iEdgedWidth/2, pMB->quant, Data.rrv)) { |
1241 : | syskin | 1108 | ZeroMacroblockP(pMB, sad00); |
1242 : | pMB->mode = MODE_NOT_CODED; | ||
1243 : | edgomez | 851 | continue; |
1244 : | } | ||
1245 : | } | ||
1246 : | |||
1247 : | Isibaar | 1095 | if ((current->vop_flags & XVID_VOP_CARTOON) && |
1248 : | (sad00 < pMB->quant * 4 * skip_thresh)) { /* favorize (0,0) vector for cartoons */ | ||
1249 : | ZeroMacroblockP(pMB, sad00); | ||
1250 : | continue; | ||
1251 : | } | ||
1252 : | |||
1253 : | edgomez | 851 | SearchP(pRef, pRefH->y, pRefV->y, pRefHV->y, pCurrent, x, |
1254 : | edgomez | 1022 | y, MotionFlags, current->vop_flags, current->vol_flags, |
1255 : | &Data, pParam, pMBs, reference->mbs, pMB); | ||
1256 : | edgomez | 851 | |
1257 : | edgomez | 1022 | ModeDecision(&Data, pMB, pMBs, x, y, pParam, |
1258 : | MotionFlags, current->vop_flags, current->vol_flags, | ||
1259 : | syskin | 1084 | pCurrent, pRef, pGMC, current->coding_type); |
1260 : | edgomez | 1022 | |
1261 : | edgomez | 851 | if (pMB->mode == MODE_INTRA) |
1262 : | if (++iIntra > iLimit) return 1; | ||
1263 : | chl | 181 | } |
1264 : | } | ||
1265 : | edgomez | 851 | |
1266 : | return 0; | ||
1267 : | chl | 181 | } |
1268 : | |||
1269 : | |||
1270 : | edgomez | 851 | static __inline int |
1271 : | make_mask(const VECTOR * const pmv, const int i) | ||
1272 : | chl | 96 | { |
1273 : | edgomez | 851 | int mask = 255, j; |
1274 : | for (j = 0; j < i; j++) { | ||
1275 : | edgomez | 1053 | if (MVequal(pmv[i], pmv[j])) return 0; /* same vector has been checked already */ |
1276 : | edgomez | 851 | if (pmv[i].x == pmv[j].x) { |
1277 : | if (pmv[i].y == pmv[j].y + iDiamondSize) mask &= ~4; | ||
1278 : | else if (pmv[i].y == pmv[j].y - iDiamondSize) mask &= ~8; | ||
1279 : | } else | ||
1280 : | if (pmv[i].y == pmv[j].y) { | ||
1281 : | if (pmv[i].x == pmv[j].x + iDiamondSize) mask &= ~1; | ||
1282 : | else if (pmv[i].x == pmv[j].x - iDiamondSize) mask &= ~2; | ||
1283 : | } | ||
1284 : | } | ||
1285 : | return mask; | ||
1286 : | } | ||
1287 : | edgomez | 195 | |
1288 : | edgomez | 851 | static __inline void |
1289 : | PreparePredictionsP(VECTOR * const pmv, int x, int y, int iWcount, | ||
1290 : | int iHcount, const MACROBLOCK * const prevMB, int rrv) | ||
1291 : | { | ||
1292 : | edgomez | 1053 | /* this function depends on get_pmvdata which means that it sucks. It should get the predictions by itself */ |
1293 : | edgomez | 851 | if (rrv) { iWcount /= 2; iHcount /= 2; } |
1294 : | edgomez | 195 | |
1295 : | edgomez | 1053 | if ( (y != 0) && (x < (iWcount-1)) ) { /* [5] top-right neighbour */ |
1296 : | edgomez | 851 | pmv[5].x = EVEN(pmv[3].x); |
1297 : | pmv[5].y = EVEN(pmv[3].y); | ||
1298 : | } else pmv[5].x = pmv[5].y = 0; | ||
1299 : | chl | 96 | |
1300 : | edgomez | 1053 | if (x != 0) { pmv[3].x = EVEN(pmv[1].x); pmv[3].y = EVEN(pmv[1].y); }/* pmv[3] is left neighbour */ |
1301 : | edgomez | 851 | else pmv[3].x = pmv[3].y = 0; |
1302 : | chl | 96 | |
1303 : | edgomez | 1053 | if (y != 0) { pmv[4].x = EVEN(pmv[2].x); pmv[4].y = EVEN(pmv[2].y); }/* [4] top neighbour */ |
1304 : | edgomez | 851 | else pmv[4].x = pmv[4].y = 0; |
1305 : | Isibaar | 3 | |
1306 : | edgomez | 1053 | /* [1] median prediction */ |
1307 : | edgomez | 851 | pmv[1].x = EVEN(pmv[0].x); pmv[1].y = EVEN(pmv[0].y); |
1308 : | edgomez | 195 | |
1309 : | edgomez | 1053 | pmv[0].x = pmv[0].y = 0; /* [0] is zero; not used in the loop (checked before) but needed here for make_mask */ |
1310 : | edgomez | 195 | |
1311 : | edgomez | 1053 | pmv[2].x = EVEN(prevMB->mvs[0].x); /* [2] is last frame */ |
1312 : | edgomez | 851 | pmv[2].y = EVEN(prevMB->mvs[0].y); |
1313 : | |||
1314 : | if ((x < iWcount-1) && (y < iHcount-1)) { | ||
1315 : | edgomez | 1053 | pmv[6].x = EVEN((prevMB+1+iWcount)->mvs[0].x); /* [6] right-down neighbour in last frame */ |
1316 : | edgomez | 851 | pmv[6].y = EVEN((prevMB+1+iWcount)->mvs[0].y); |
1317 : | } else pmv[6].x = pmv[6].y = 0; | ||
1318 : | |||
1319 : | if (rrv) { | ||
1320 : | int i; | ||
1321 : | for (i = 0; i < 7; i++) { | ||
1322 : | pmv[i].x = RRV_MV_SCALEUP(pmv[i].x); | ||
1323 : | pmv[i].y = RRV_MV_SCALEUP(pmv[i].y); | ||
1324 : | } | ||
1325 : | } | ||
1326 : | Isibaar | 3 | } |
1327 : | |||
1328 : | edgomez | 851 | static void |
1329 : | SearchP(const IMAGE * const pRef, | ||
1330 : | const uint8_t * const pRefH, | ||
1331 : | const uint8_t * const pRefV, | ||
1332 : | const uint8_t * const pRefHV, | ||
1333 : | const IMAGE * const pCur, | ||
1334 : | const int x, | ||
1335 : | const int y, | ||
1336 : | const uint32_t MotionFlags, | ||
1337 : | suxen_drol | 890 | const uint32_t VopFlags, |
1338 : | edgomez | 1022 | const uint32_t VolFlags, |
1339 : | edgomez | 851 | SearchData * const Data, |
1340 : | const MBParam * const pParam, | ||
1341 : | const MACROBLOCK * const pMBs, | ||
1342 : | const MACROBLOCK * const prevMBs, | ||
1343 : | MACROBLOCK * const pMB) | ||
1344 : | { | ||
1345 : | Isibaar | 3 | |
1346 : | edgomez | 851 | int i, iDirection = 255, mask, threshA; |
1347 : | VECTOR pmv[7]; | ||
1348 : | edgomez | 1022 | int inter4v = (VopFlags & XVID_VOP_INTER4V) && (pMB->dquant == 0); |
1349 : | Isibaar | 3 | |
1350 : | edgomez | 851 | get_range(&Data->min_dx, &Data->max_dx, &Data->min_dy, &Data->max_dy, x, y, 16, |
1351 : | pParam->width, pParam->height, Data->iFcode - Data->qpel, 0, Data->rrv); | ||
1352 : | edgomez | 195 | |
1353 : | edgomez | 851 | get_pmvdata2(pMBs, pParam->mb_width, 0, x, y, 0, pmv, Data->temp); |
1354 : | Isibaar | 3 | |
1355 : | edgomez | 1053 | Data->temp[5] = Data->temp[6] = 0; /* chroma-sad cache */ |
1356 : | edgomez | 851 | i = Data->rrv ? 2 : 1; |
1357 : | Data->Cur = pCur->y + (x + y * Data->iEdgedWidth) * 16*i; | ||
1358 : | Data->CurV = pCur->v + (x + y * (Data->iEdgedWidth/2)) * 8*i; | ||
1359 : | Data->CurU = pCur->u + (x + y * (Data->iEdgedWidth/2)) * 8*i; | ||
1360 : | chl | 326 | |
1361 : | edgomez | 978 | Data->RefP[0] = pRef->y + (x + Data->iEdgedWidth*y) * 16*i; |
1362 : | Data->RefP[2] = pRefH + (x + Data->iEdgedWidth*y) * 16*i; | ||
1363 : | Data->RefP[1] = pRefV + (x + Data->iEdgedWidth*y) * 16*i; | ||
1364 : | Data->RefP[3] = pRefHV + (x + Data->iEdgedWidth*y) * 16*i; | ||
1365 : | Data->RefP[4] = pRef->u + (x + y * (Data->iEdgedWidth/2)) * 8*i; | ||
1366 : | Data->RefP[5] = pRef->v + (x + y * (Data->iEdgedWidth/2)) * 8*i; | ||
1367 : | edgomez | 195 | |
1368 : | edgomez | 1022 | Data->lambda16 = lambda_vec16[pMB->quant]; |
1369 : | Data->lambda8 = lambda_vec8[pMB->quant]; | ||
1370 : | edgomez | 851 | Data->qpel_precision = 0; |
1371 : | edgomez | 195 | |
1372 : | edgomez | 963 | memset(Data->currentMV, 0, 5*sizeof(VECTOR)); |
1373 : | chl | 169 | |
1374 : | edgomez | 851 | if (Data->qpel) Data->predMV = get_qpmv2(pMBs, pParam->mb_width, 0, x, y, 0); |
1375 : | else Data->predMV = pmv[0]; | ||
1376 : | Isibaar | 3 | |
1377 : | edgomez | 851 | i = d_mv_bits(0, 0, Data->predMV, Data->iFcode, 0, 0); |
1378 : | Data->iMinSAD[0] = pMB->sad16 + ((Data->lambda16 * i * pMB->sad16)>>10); | ||
1379 : | Data->iMinSAD[1] = pMB->sad8[0] + ((Data->lambda8 * i * (pMB->sad8[0]+NEIGH_8X8_BIAS)) >> 10); | ||
1380 : | Data->iMinSAD[2] = pMB->sad8[1]; | ||
1381 : | Data->iMinSAD[3] = pMB->sad8[2]; | ||
1382 : | Data->iMinSAD[4] = pMB->sad8[3]; | ||
1383 : | chl | 169 | |
1384 : | edgomez | 1107 | if ((!(VopFlags & XVID_VOP_MODEDECISION_RD)) && (x | y)) { |
1385 : | edgomez | 1053 | threshA = Data->temp[0]; /* that's where we keep this SAD atm */ |
1386 : | edgomez | 851 | if (threshA < 512) threshA = 512; |
1387 : | else if (threshA > 1024) threshA = 1024; | ||
1388 : | } else | ||
1389 : | threshA = 512; | ||
1390 : | chl | 169 | |
1391 : | edgomez | 851 | PreparePredictionsP(pmv, x, y, pParam->mb_width, pParam->mb_height, |
1392 : | prevMBs + x + y * pParam->mb_width, Data->rrv); | ||
1393 : | chl | 169 | |
1394 : | edgomez | 851 | if (!Data->rrv) { |
1395 : | if (inter4v | Data->chroma) CheckCandidate = CheckCandidate16; | ||
1396 : | edgomez | 1053 | else CheckCandidate = CheckCandidate16no4v; /* for extra speed */ |
1397 : | edgomez | 851 | } else CheckCandidate = CheckCandidate32; |
1398 : | chl | 169 | |
1399 : | edgomez | 851 | /* main loop. checking all predictions (but first, which is 0,0 and has been checked in MotionEstimation())*/ |
1400 : | chl | 169 | |
1401 : | edgomez | 851 | for (i = 1; i < 7; i++) { |
1402 : | if (!(mask = make_mask(pmv, i)) ) continue; | ||
1403 : | CheckCandidate(pmv[i].x, pmv[i].y, mask, &iDirection, Data); | ||
1404 : | if (Data->iMinSAD[0] <= threshA) break; | ||
1405 : | } | ||
1406 : | chl | 169 | |
1407 : | edgomez | 851 | if ((Data->iMinSAD[0] <= threshA) || |
1408 : | (MVequal(Data->currentMV[0], (prevMBs+x+y*pParam->mb_width)->mvs[0]) && | ||
1409 : | edgomez | 1022 | (Data->iMinSAD[0] < (prevMBs+x+y*pParam->mb_width)->sad16))) |
1410 : | inter4v = 0; | ||
1411 : | edgomez | 851 | else { |
1412 : | Isibaar | 3 | |
1413 : | edgomez | 851 | MainSearchFunc * MainSearchPtr; |
1414 : | edgomez | 949 | if (MotionFlags & XVID_ME_USESQUARES16) MainSearchPtr = SquareSearch; |
1415 : | else if (MotionFlags & XVID_ME_ADVANCEDDIAMOND16) MainSearchPtr = AdvDiamondSearch; | ||
1416 : | edgomez | 851 | else MainSearchPtr = DiamondSearch; |
1417 : | Isibaar | 3 | |
1418 : | edgomez | 851 | MainSearchPtr(Data->currentMV->x, Data->currentMV->y, Data, iDirection); |
1419 : | Isibaar | 3 | |
1420 : | edgomez | 851 | /* extended search, diamond starting in 0,0 and in prediction. |
1421 : | note that this search is/might be done in halfpel positions, | ||
1422 : | which makes it more different than the diamond above */ | ||
1423 : | chl | 169 | |
1424 : | edgomez | 949 | if (MotionFlags & XVID_ME_EXTSEARCH16) { |
1425 : | edgomez | 851 | int32_t bSAD; |
1426 : | VECTOR startMV = Data->predMV, backupMV = Data->currentMV[0]; | ||
1427 : | if (Data->rrv) { | ||
1428 : | startMV.x = RRV_MV_SCALEUP(startMV.x); | ||
1429 : | startMV.y = RRV_MV_SCALEUP(startMV.y); | ||
1430 : | } | ||
1431 : | if (!(MVequal(startMV, backupMV))) { | ||
1432 : | bSAD = Data->iMinSAD[0]; Data->iMinSAD[0] = MV_MAX_ERROR; | ||
1433 : | edgomez | 195 | |
1434 : | edgomez | 851 | CheckCandidate(startMV.x, startMV.y, 255, &iDirection, Data); |
1435 : | MainSearchPtr(startMV.x, startMV.y, Data, 255); | ||
1436 : | if (bSAD < Data->iMinSAD[0]) { | ||
1437 : | Data->currentMV[0] = backupMV; | ||
1438 : | Data->iMinSAD[0] = bSAD; } | ||
1439 : | } | ||
1440 : | chl | 169 | |
1441 : | edgomez | 851 | backupMV = Data->currentMV[0]; |
1442 : | startMV.x = startMV.y = 1; | ||
1443 : | if (!(MVequal(startMV, backupMV))) { | ||
1444 : | bSAD = Data->iMinSAD[0]; Data->iMinSAD[0] = MV_MAX_ERROR; | ||
1445 : | chl | 169 | |
1446 : | edgomez | 851 | CheckCandidate(startMV.x, startMV.y, 255, &iDirection, Data); |
1447 : | MainSearchPtr(startMV.x, startMV.y, Data, 255); | ||
1448 : | if (bSAD < Data->iMinSAD[0]) { | ||
1449 : | Data->currentMV[0] = backupMV; | ||
1450 : | Data->iMinSAD[0] = bSAD; } | ||
1451 : | edgomez | 195 | } |
1452 : | edgomez | 851 | } |
1453 : | } | ||
1454 : | edgomez | 195 | |
1455 : | edgomez | 949 | if (MotionFlags & XVID_ME_HALFPELREFINE16) |
1456 : | edgomez | 851 | SubpelRefine(Data); |
1457 : | edgomez | 195 | |
1458 : | edgomez | 851 | for(i = 0; i < 5; i++) { |
1459 : | edgomez | 1053 | Data->currentQMV[i].x = 2 * Data->currentMV[i].x; /* initialize qpel vectors */ |
1460 : | edgomez | 851 | Data->currentQMV[i].y = 2 * Data->currentMV[i].y; |
1461 : | } | ||
1462 : | Isibaar | 3 | |
1463 : | edgomez | 1023 | if (Data->qpel) { |
1464 : | edgomez | 953 | get_range(&Data->min_dx, &Data->max_dx, &Data->min_dy, &Data->max_dy, x, y, 16, |
1465 : | pParam->width, pParam->height, Data->iFcode, 1, 0); | ||
1466 : | edgomez | 987 | Data->qpel_precision = 1; |
1467 : | edgomez | 1023 | if (MotionFlags & XVID_ME_QUARTERPELREFINE16) |
1468 : | SubpelRefine(Data); | ||
1469 : | edgomez | 953 | } |
1470 : | Isibaar | 3 | |
1471 : | edgomez | 1023 | if (Data->iMinSAD[0] < (int32_t)pMB->quant * 30) |
1472 : | edgomez | 1022 | inter4v = 0; |
1473 : | Isibaar | 3 | |
1474 : | edgomez | 987 | if (inter4v) { |
1475 : | edgomez | 851 | SearchData Data8; |
1476 : | edgomez | 1053 | memcpy(&Data8, Data, sizeof(SearchData)); /* quick copy of common data */ |
1477 : | Isibaar | 3 | |
1478 : | edgomez | 851 | Search8(Data, 2*x, 2*y, MotionFlags, pParam, pMB, pMBs, 0, &Data8); |
1479 : | Search8(Data, 2*x + 1, 2*y, MotionFlags, pParam, pMB, pMBs, 1, &Data8); | ||
1480 : | Search8(Data, 2*x, 2*y + 1, MotionFlags, pParam, pMB, pMBs, 2, &Data8); | ||
1481 : | Search8(Data, 2*x + 1, 2*y + 1, MotionFlags, pParam, pMB, pMBs, 3, &Data8); | ||
1482 : | chl | 181 | |
1483 : | edgomez | 1107 | if ((Data->chroma) && (!(VopFlags & XVID_VOP_MODEDECISION_RD))) { |
1484 : | edgomez | 1053 | /* chroma is only used for comparsion to INTER. if the comparsion will be done in BITS domain, it will not be used */ |
1485 : | edgomez | 851 | int sumx = 0, sumy = 0; |
1486 : | Isibaar | 3 | |
1487 : | edgomez | 1022 | if (Data->qpel) |
1488 : | for (i = 1; i < 5; i++) { | ||
1489 : | sumx += Data->currentQMV[i].x/2; | ||
1490 : | sumy += Data->currentQMV[i].y/2; | ||
1491 : | } | ||
1492 : | else | ||
1493 : | for (i = 1; i < 5; i++) { | ||
1494 : | sumx += Data->currentMV[i].x; | ||
1495 : | sumy += Data->currentMV[i].y; | ||
1496 : | } | ||
1497 : | chl | 259 | |
1498 : | edgomez | 851 | Data->iMinSAD[1] += ChromaSAD( (sumx >> 3) + roundtab_76[sumx & 0xf], |
1499 : | (sumy >> 3) + roundtab_76[sumy & 0xf], Data); | ||
1500 : | } | ||
1501 : | edgomez | 1022 | } else Data->iMinSAD[1] = 4096*256; |
1502 : | edgomez | 851 | } |
1503 : | |||
1504 : | static void | ||
1505 : | Search8(const SearchData * const OldData, | ||
1506 : | const int x, const int y, | ||
1507 : | const uint32_t MotionFlags, | ||
1508 : | const MBParam * const pParam, | ||
1509 : | MACROBLOCK * const pMB, | ||
1510 : | const MACROBLOCK * const pMBs, | ||
1511 : | const int block, | ||
1512 : | SearchData * const Data) | ||
1513 : | { | ||
1514 : | int i = 0; | ||
1515 : | Data->iMinSAD = OldData->iMinSAD + 1 + block; | ||
1516 : | Data->currentMV = OldData->currentMV + 1 + block; | ||
1517 : | Data->currentQMV = OldData->currentQMV + 1 + block; | ||
1518 : | |||
1519 : | if(Data->qpel) { | ||
1520 : | Data->predMV = get_qpmv2(pMBs, pParam->mb_width, 0, x/2, y/2, block); | ||
1521 : | if (block != 0) i = d_mv_bits( Data->currentQMV->x, Data->currentQMV->y, | ||
1522 : | Data->predMV, Data->iFcode, 0, 0); | ||
1523 : | } else { | ||
1524 : | Data->predMV = get_pmv2(pMBs, pParam->mb_width, 0, x/2, y/2, block); | ||
1525 : | if (block != 0) i = d_mv_bits( Data->currentMV->x, Data->currentMV->y, | ||
1526 : | Data->predMV, Data->iFcode, 0, Data->rrv); | ||
1527 : | Isibaar | 3 | } |
1528 : | |||
1529 : | edgomez | 851 | *(Data->iMinSAD) += (Data->lambda8 * i * (*Data->iMinSAD + NEIGH_8X8_BIAS))>>10; |
1530 : | Isibaar | 3 | |
1531 : | edgomez | 949 | if (MotionFlags & (XVID_ME_EXTSEARCH8|XVID_ME_HALFPELREFINE8|XVID_ME_QUARTERPELREFINE8)) { |
1532 : | Isibaar | 3 | |
1533 : | edgomez | 978 | if (Data->rrv) i = 16; else i = 8; |
1534 : | Isibaar | 3 | |
1535 : | edgomez | 978 | Data->RefP[0] = OldData->RefP[0] + i * ((block&1) + Data->iEdgedWidth*(block>>1)); |
1536 : | Data->RefP[1] = OldData->RefP[1] + i * ((block&1) + Data->iEdgedWidth*(block>>1)); | ||
1537 : | Data->RefP[2] = OldData->RefP[2] + i * ((block&1) + Data->iEdgedWidth*(block>>1)); | ||
1538 : | Data->RefP[3] = OldData->RefP[3] + i * ((block&1) + Data->iEdgedWidth*(block>>1)); | ||
1539 : | |||
1540 : | Data->Cur = OldData->Cur + i * ((block&1) + Data->iEdgedWidth*(block>>1)); | ||
1541 : | edgomez | 851 | Data->qpel_precision = 0; |
1542 : | Isibaar | 3 | |
1543 : | edgomez | 851 | get_range(&Data->min_dx, &Data->max_dx, &Data->min_dy, &Data->max_dy, x, y, 8, |
1544 : | pParam->width, pParam->height, Data->iFcode - Data->qpel, 0, Data->rrv); | ||
1545 : | Isibaar | 3 | |
1546 : | edgomez | 851 | if (!Data->rrv) CheckCandidate = CheckCandidate8; |
1547 : | else CheckCandidate = CheckCandidate16no4v; | ||
1548 : | Isibaar | 3 | |
1549 : | edgomez | 1107 | if (MotionFlags & XVID_ME_EXTSEARCH8 && (!(MotionFlags & XVID_ME_EXTSEARCH_RD))) { |
1550 : | edgomez | 1053 | int32_t temp_sad = *(Data->iMinSAD); /* store current MinSAD */ |
1551 : | Isibaar | 3 | |
1552 : | edgomez | 851 | MainSearchFunc *MainSearchPtr; |
1553 : | edgomez | 949 | if (MotionFlags & XVID_ME_USESQUARES8) MainSearchPtr = SquareSearch; |
1554 : | else if (MotionFlags & XVID_ME_ADVANCEDDIAMOND8) MainSearchPtr = AdvDiamondSearch; | ||
1555 : | edgomez | 851 | else MainSearchPtr = DiamondSearch; |
1556 : | Isibaar | 3 | |
1557 : | edgomez | 851 | MainSearchPtr(Data->currentMV->x, Data->currentMV->y, Data, 255); |
1558 : | Isibaar | 3 | |
1559 : | edgomez | 851 | if(*(Data->iMinSAD) < temp_sad) { |
1560 : | edgomez | 1053 | Data->currentQMV->x = 2 * Data->currentMV->x; /* update our qpel vector */ |
1561 : | edgomez | 851 | Data->currentQMV->y = 2 * Data->currentMV->y; |
1562 : | } | ||
1563 : | } | ||
1564 : | edgomez | 195 | |
1565 : | edgomez | 949 | if (MotionFlags & XVID_ME_HALFPELREFINE8) { |
1566 : | edgomez | 1053 | int32_t temp_sad = *(Data->iMinSAD); /* store current MinSAD */ |
1567 : | edgomez | 195 | |
1568 : | edgomez | 1053 | SubpelRefine(Data); /* perform halfpel refine of current best vector */ |
1569 : | Isibaar | 3 | |
1570 : | edgomez | 1053 | if(*(Data->iMinSAD) < temp_sad) { /* we have found a better match */ |
1571 : | Data->currentQMV->x = 2 * Data->currentMV->x; /* update our qpel vector */ | ||
1572 : | edgomez | 851 | Data->currentQMV->y = 2 * Data->currentMV->y; |
1573 : | } | ||
1574 : | } | ||
1575 : | Isibaar | 3 | |
1576 : | edgomez | 949 | if (Data->qpel && MotionFlags & XVID_ME_QUARTERPELREFINE8) { |
1577 : | edgomez | 851 | Data->qpel_precision = 1; |
1578 : | get_range(&Data->min_dx, &Data->max_dx, &Data->min_dy, &Data->max_dy, x, y, 8, | ||
1579 : | pParam->width, pParam->height, Data->iFcode, 1, 0); | ||
1580 : | SubpelRefine(Data); | ||
1581 : | } | ||
1582 : | } | ||
1583 : | edgomez | 195 | |
1584 : | edgomez | 851 | if (Data->rrv) { |
1585 : | Data->currentMV->x = RRV_MV_SCALEDOWN(Data->currentMV->x); | ||
1586 : | Data->currentMV->y = RRV_MV_SCALEDOWN(Data->currentMV->y); | ||
1587 : | } | ||
1588 : | |||
1589 : | if(Data->qpel) { | ||
1590 : | pMB->pmvs[block].x = Data->currentQMV->x - Data->predMV.x; | ||
1591 : | pMB->pmvs[block].y = Data->currentQMV->y - Data->predMV.y; | ||
1592 : | pMB->qmvs[block] = *Data->currentQMV; | ||
1593 : | edgomez | 195 | } else { |
1594 : | edgomez | 851 | pMB->pmvs[block].x = Data->currentMV->x - Data->predMV.x; |
1595 : | pMB->pmvs[block].y = Data->currentMV->y - Data->predMV.y; | ||
1596 : | edgomez | 78 | } |
1597 : | edgomez | 851 | |
1598 : | pMB->mvs[block] = *Data->currentMV; | ||
1599 : | pMB->sad8[block] = 4 * *Data->iMinSAD; | ||
1600 : | Isibaar | 3 | } |
1601 : | |||
1602 : | edgomez | 851 | /* motion estimation for B-frames */ |
1603 : | chl | 345 | |
1604 : | edgomez | 851 | static __inline VECTOR |
1605 : | ChoosePred(const MACROBLOCK * const pMB, const uint32_t mode) | ||
1606 : | { | ||
1607 : | /* the stupidiest function ever */ | ||
1608 : | return (mode == MODE_FORWARD ? pMB->mvs[0] : pMB->b_mvs[0]); | ||
1609 : | } | ||
1610 : | chl | 345 | |
1611 : | edgomez | 851 | static void __inline |
1612 : | PreparePredictionsBF(VECTOR * const pmv, const int x, const int y, | ||
1613 : | const uint32_t iWcount, | ||
1614 : | const MACROBLOCK * const pMB, | ||
1615 : | const uint32_t mode_curr) | ||
1616 : | chl | 345 | { |
1617 : | |||
1618 : | edgomez | 1053 | /* [0] is prediction */ |
1619 : | edgomez | 851 | pmv[0].x = EVEN(pmv[0].x); pmv[0].y = EVEN(pmv[0].y); |
1620 : | chl | 345 | |
1621 : | edgomez | 1053 | pmv[1].x = pmv[1].y = 0; /* [1] is zero */ |
1622 : | chl | 345 | |
1623 : | edgomez | 851 | pmv[2] = ChoosePred(pMB, mode_curr); |
1624 : | pmv[2].x = EVEN(pmv[2].x); pmv[2].y = EVEN(pmv[2].y); | ||
1625 : | chl | 345 | |
1626 : | edgomez | 1053 | if ((y != 0)&&(x != (int)(iWcount+1))) { /* [3] top-right neighbour */ |
1627 : | edgomez | 851 | pmv[3] = ChoosePred(pMB+1-iWcount, mode_curr); |
1628 : | pmv[3].x = EVEN(pmv[3].x); pmv[3].y = EVEN(pmv[3].y); | ||
1629 : | } else pmv[3].x = pmv[3].y = 0; | ||
1630 : | chl | 345 | |
1631 : | edgomez | 851 | if (y != 0) { |
1632 : | pmv[4] = ChoosePred(pMB-iWcount, mode_curr); | ||
1633 : | pmv[4].x = EVEN(pmv[4].x); pmv[4].y = EVEN(pmv[4].y); | ||
1634 : | } else pmv[4].x = pmv[4].y = 0; | ||
1635 : | chl | 345 | |
1636 : | edgomez | 851 | if (x != 0) { |
1637 : | pmv[5] = ChoosePred(pMB-1, mode_curr); | ||
1638 : | pmv[5].x = EVEN(pmv[5].x); pmv[5].y = EVEN(pmv[5].y); | ||
1639 : | } else pmv[5].x = pmv[5].y = 0; | ||
1640 : | chl | 345 | |
1641 : | edgomez | 851 | if (x != 0 && y != 0) { |
1642 : | pmv[6] = ChoosePred(pMB-1-iWcount, mode_curr); | ||
1643 : | pmv[6].x = EVEN(pmv[6].x); pmv[6].y = EVEN(pmv[6].y); | ||
1644 : | } else pmv[6].x = pmv[6].y = 0; | ||
1645 : | } | ||
1646 : | chl | 345 | |
1647 : | |||
1648 : | edgomez | 851 | /* search backward or forward */ |
1649 : | static void | ||
1650 : | SearchBF( const IMAGE * const pRef, | ||
1651 : | const uint8_t * const pRefH, | ||
1652 : | const uint8_t * const pRefV, | ||
1653 : | const uint8_t * const pRefHV, | ||
1654 : | const IMAGE * const pCur, | ||
1655 : | const int x, const int y, | ||
1656 : | const uint32_t MotionFlags, | ||
1657 : | const uint32_t iFcode, | ||
1658 : | const MBParam * const pParam, | ||
1659 : | MACROBLOCK * const pMB, | ||
1660 : | const VECTOR * const predMV, | ||
1661 : | int32_t * const best_sad, | ||
1662 : | const int32_t mode_current, | ||
1663 : | SearchData * const Data) | ||
1664 : | { | ||
1665 : | chl | 345 | |
1666 : | edgomez | 851 | int i, iDirection = 255, mask; |
1667 : | VECTOR pmv[7]; | ||
1668 : | MainSearchFunc *MainSearchPtr; | ||
1669 : | *Data->iMinSAD = MV_MAX_ERROR; | ||
1670 : | Data->iFcode = iFcode; | ||
1671 : | Data->qpel_precision = 0; | ||
1672 : | edgomez | 1053 | Data->temp[5] = Data->temp[6] = Data->temp[7] = 256*4096; /* reset chroma-sad cache */ |
1673 : | chl | 345 | |
1674 : | edgomez | 978 | Data->RefP[0] = pRef->y + (x + Data->iEdgedWidth*y) * 16; |
1675 : | Data->RefP[2] = pRefH + (x + Data->iEdgedWidth*y) * 16; | ||
1676 : | Data->RefP[1] = pRefV + (x + Data->iEdgedWidth*y) * 16; | ||
1677 : | Data->RefP[3] = pRefHV + (x + Data->iEdgedWidth*y) * 16; | ||
1678 : | Data->RefP[4] = pRef->u + (x + y * (Data->iEdgedWidth/2)) * 8; | ||
1679 : | Data->RefP[5] = pRef->v + (x + y * (Data->iEdgedWidth/2)) * 8; | ||
1680 : | chl | 345 | |
1681 : | edgomez | 851 | Data->predMV = *predMV; |
1682 : | chl | 345 | |
1683 : | edgomez | 851 | get_range(&Data->min_dx, &Data->max_dx, &Data->min_dy, &Data->max_dy, x, y, 16, |
1684 : | pParam->width, pParam->height, iFcode - Data->qpel, 0, 0); | ||
1685 : | chl | 345 | |
1686 : | edgomez | 851 | pmv[0] = Data->predMV; |
1687 : | if (Data->qpel) { pmv[0].x /= 2; pmv[0].y /= 2; } | ||
1688 : | chl | 345 | |
1689 : | edgomez | 851 | PreparePredictionsBF(pmv, x, y, pParam->mb_width, pMB, mode_current); |
1690 : | chl | 345 | |
1691 : | edgomez | 851 | Data->currentMV->x = Data->currentMV->y = 0; |
1692 : | CheckCandidate = CheckCandidate16no4v; | ||
1693 : | chl | 345 | |
1694 : | edgomez | 1053 | /* main loop. checking all predictions */ |
1695 : | edgomez | 851 | for (i = 0; i < 7; i++) { |
1696 : | if (!(mask = make_mask(pmv, i)) ) continue; | ||
1697 : | CheckCandidate16no4v(pmv[i].x, pmv[i].y, mask, &iDirection, Data); | ||
1698 : | chl | 345 | } |
1699 : | |||
1700 : | edgomez | 949 | if (MotionFlags & XVID_ME_USESQUARES16) MainSearchPtr = SquareSearch; |
1701 : | else if (MotionFlags & XVID_ME_ADVANCEDDIAMOND16) MainSearchPtr = AdvDiamondSearch; | ||
1702 : | edgomez | 851 | else MainSearchPtr = DiamondSearch; |
1703 : | chl | 345 | |
1704 : | edgomez | 851 | MainSearchPtr(Data->currentMV->x, Data->currentMV->y, Data, iDirection); |
1705 : | chl | 345 | |
1706 : | edgomez | 851 | SubpelRefine(Data); |
1707 : | chl | 345 | |
1708 : | edgomez | 851 | if (Data->qpel && *Data->iMinSAD < *best_sad + 300) { |
1709 : | Data->currentQMV->x = 2*Data->currentMV->x; | ||
1710 : | Data->currentQMV->y = 2*Data->currentMV->y; | ||
1711 : | Data->qpel_precision = 1; | ||
1712 : | get_range(&Data->min_dx, &Data->max_dx, &Data->min_dy, &Data->max_dy, x, y, 16, | ||
1713 : | pParam->width, pParam->height, iFcode, 1, 0); | ||
1714 : | SubpelRefine(Data); | ||
1715 : | } | ||
1716 : | chl | 345 | |
1717 : | edgomez | 1053 | /* three bits are needed to code backward mode. four for forward */ |
1718 : | Isibaar | 3 | |
1719 : | edgomez | 851 | if (mode_current == MODE_FORWARD) *Data->iMinSAD += 4 * Data->lambda16; |
1720 : | else *Data->iMinSAD += 3 * Data->lambda16; | ||
1721 : | edgomez | 195 | |
1722 : | edgomez | 851 | if (*Data->iMinSAD < *best_sad) { |
1723 : | *best_sad = *Data->iMinSAD; | ||
1724 : | pMB->mode = mode_current; | ||
1725 : | if (Data->qpel) { | ||
1726 : | pMB->pmvs[0].x = Data->currentQMV->x - predMV->x; | ||
1727 : | pMB->pmvs[0].y = Data->currentQMV->y - predMV->y; | ||
1728 : | if (mode_current == MODE_FORWARD) | ||
1729 : | pMB->qmvs[0] = *Data->currentQMV; | ||
1730 : | else | ||
1731 : | pMB->b_qmvs[0] = *Data->currentQMV; | ||
1732 : | } else { | ||
1733 : | pMB->pmvs[0].x = Data->currentMV->x - predMV->x; | ||
1734 : | pMB->pmvs[0].y = Data->currentMV->y - predMV->y; | ||
1735 : | } | ||
1736 : | if (mode_current == MODE_FORWARD) pMB->mvs[0] = *Data->currentMV; | ||
1737 : | else pMB->b_mvs[0] = *Data->currentMV; | ||
1738 : | } | ||
1739 : | edgomez | 195 | |
1740 : | edgomez | 851 | if (mode_current == MODE_FORWARD) *(Data->currentMV+2) = *Data->currentMV; |
1741 : | edgomez | 1053 | else *(Data->currentMV+1) = *Data->currentMV; /* we store currmv for interpolate search */ |
1742 : | Isibaar | 3 | } |
1743 : | |||
1744 : | edgomez | 851 | static void |
1745 : | SkipDecisionB(const IMAGE * const pCur, | ||
1746 : | const IMAGE * const f_Ref, | ||
1747 : | const IMAGE * const b_Ref, | ||
1748 : | MACROBLOCK * const pMB, | ||
1749 : | const uint32_t x, const uint32_t y, | ||
1750 : | const SearchData * const Data) | ||
1751 : | { | ||
1752 : | int dx = 0, dy = 0, b_dx = 0, b_dy = 0; | ||
1753 : | int32_t sum; | ||
1754 : | const int div = 1 + Data->qpel; | ||
1755 : | int k; | ||
1756 : | const uint32_t stride = Data->iEdgedWidth/2; | ||
1757 : | edgomez | 1053 | /* this is not full chroma compensation, only it's fullpel approximation. should work though */ |
1758 : | Isibaar | 3 | |
1759 : | edgomez | 851 | for (k = 0; k < 4; k++) { |
1760 : | dy += Data->directmvF[k].y / div; | ||
1761 : | edgomez | 963 | dx += Data->directmvF[k].x / div; |
1762 : | b_dy += Data->directmvB[k].y / div; | ||
1763 : | b_dx += Data->directmvB[k].x / div; | ||
1764 : | edgomez | 851 | } |
1765 : | Isibaar | 3 | |
1766 : | edgomez | 851 | dy = (dy >> 3) + roundtab_76[dy & 0xf]; |
1767 : | dx = (dx >> 3) + roundtab_76[dx & 0xf]; | ||
1768 : | b_dy = (b_dy >> 3) + roundtab_76[b_dy & 0xf]; | ||
1769 : | b_dx = (b_dx >> 3) + roundtab_76[b_dx & 0xf]; | ||
1770 : | Isibaar | 3 | |
1771 : | edgomez | 851 | sum = sad8bi(pCur->u + 8 * x + 8 * y * stride, |
1772 : | f_Ref->u + (y*8 + dy/2) * stride + x*8 + dx/2, | ||
1773 : | b_Ref->u + (y*8 + b_dy/2) * stride + x*8 + b_dx/2, | ||
1774 : | stride); | ||
1775 : | Isibaar | 3 | |
1776 : | edgomez | 1053 | if (sum >= 2 * MAX_CHROMA_SAD_FOR_SKIP * pMB->quant) return; /* no skip */ |
1777 : | Isibaar | 3 | |
1778 : | edgomez | 851 | sum += sad8bi(pCur->v + 8*x + 8 * y * stride, |
1779 : | f_Ref->v + (y*8 + dy/2) * stride + x*8 + dx/2, | ||
1780 : | b_Ref->v + (y*8 + b_dy/2) * stride + x*8 + b_dx/2, | ||
1781 : | stride); | ||
1782 : | edgomez | 195 | |
1783 : | edgomez | 963 | if (sum < 2 * MAX_CHROMA_SAD_FOR_SKIP * pMB->quant) { |
1784 : | edgomez | 1053 | pMB->mode = MODE_DIRECT_NONE_MV; /* skipped */ |
1785 : | edgomez | 978 | for (k = 0; k < 4; k++) { |
1786 : | edgomez | 963 | pMB->qmvs[k] = pMB->mvs[k]; |
1787 : | pMB->b_qmvs[k] = pMB->b_mvs[k]; | ||
1788 : | } | ||
1789 : | } | ||
1790 : | edgomez | 851 | } |
1791 : | Isibaar | 3 | |
1792 : | edgomez | 851 | static __inline uint32_t |
1793 : | SearchDirect(const IMAGE * const f_Ref, | ||
1794 : | const uint8_t * const f_RefH, | ||
1795 : | const uint8_t * const f_RefV, | ||
1796 : | const uint8_t * const f_RefHV, | ||
1797 : | const IMAGE * const b_Ref, | ||
1798 : | const uint8_t * const b_RefH, | ||
1799 : | const uint8_t * const b_RefV, | ||
1800 : | const uint8_t * const b_RefHV, | ||
1801 : | const IMAGE * const pCur, | ||
1802 : | const int x, const int y, | ||
1803 : | const uint32_t MotionFlags, | ||
1804 : | const int32_t TRB, const int32_t TRD, | ||
1805 : | const MBParam * const pParam, | ||
1806 : | MACROBLOCK * const pMB, | ||
1807 : | const MACROBLOCK * const b_mb, | ||
1808 : | int32_t * const best_sad, | ||
1809 : | SearchData * const Data) | ||
1810 : | Isibaar | 3 | |
1811 : | edgomez | 851 | { |
1812 : | int32_t skip_sad; | ||
1813 : | int k = (x + Data->iEdgedWidth*y) * 16; | ||
1814 : | MainSearchFunc *MainSearchPtr; | ||
1815 : | Isibaar | 3 | |
1816 : | edgomez | 851 | *Data->iMinSAD = 256*4096; |
1817 : | edgomez | 978 | Data->RefP[0] = f_Ref->y + k; |
1818 : | Data->RefP[2] = f_RefH + k; | ||
1819 : | Data->RefP[1] = f_RefV + k; | ||
1820 : | Data->RefP[3] = f_RefHV + k; | ||
1821 : | Data->b_RefP[0] = b_Ref->y + k; | ||
1822 : | Data->b_RefP[2] = b_RefH + k; | ||
1823 : | Data->b_RefP[1] = b_RefV + k; | ||
1824 : | Data->b_RefP[3] = b_RefHV + k; | ||
1825 : | Data->RefP[4] = f_Ref->u + (x + (Data->iEdgedWidth/2) * y) * 8; | ||
1826 : | Data->RefP[5] = f_Ref->v + (x + (Data->iEdgedWidth/2) * y) * 8; | ||
1827 : | Data->b_RefP[4] = b_Ref->u + (x + (Data->iEdgedWidth/2) * y) * 8; | ||
1828 : | Data->b_RefP[5] = b_Ref->v + (x + (Data->iEdgedWidth/2) * y) * 8; | ||
1829 : | edgomez | 195 | |
1830 : | edgomez | 851 | k = Data->qpel ? 4 : 2; |
1831 : | Data->max_dx = k * (pParam->width - x * 16); | ||
1832 : | Data->max_dy = k * (pParam->height - y * 16); | ||
1833 : | Data->min_dx = -k * (16 + x * 16); | ||
1834 : | Data->min_dy = -k * (16 + y * 16); | ||
1835 : | chl | 181 | |
1836 : | edgomez | 851 | Data->referencemv = Data->qpel ? b_mb->qmvs : b_mb->mvs; |
1837 : | Data->qpel_precision = 0; | ||
1838 : | edgomez | 170 | |
1839 : | edgomez | 851 | for (k = 0; k < 4; k++) { |
1840 : | pMB->mvs[k].x = Data->directmvF[k].x = ((TRB * Data->referencemv[k].x) / TRD); | ||
1841 : | pMB->b_mvs[k].x = Data->directmvB[k].x = ((TRB - TRD) * Data->referencemv[k].x) / TRD; | ||
1842 : | pMB->mvs[k].y = Data->directmvF[k].y = ((TRB * Data->referencemv[k].y) / TRD); | ||
1843 : | pMB->b_mvs[k].y = Data->directmvB[k].y = ((TRB - TRD) * Data->referencemv[k].y) / TRD; | ||
1844 : | Isibaar | 3 | |
1845 : | edgomez | 851 | if ( (pMB->b_mvs[k].x > Data->max_dx) | (pMB->b_mvs[k].x < Data->min_dx) |
1846 : | | (pMB->b_mvs[k].y > Data->max_dy) | (pMB->b_mvs[k].y < Data->min_dy) ) { | ||
1847 : | |||
1848 : | edgomez | 1053 | *best_sad = 256*4096; /* in that case, we won't use direct mode */ |
1849 : | pMB->mode = MODE_DIRECT; /* just to make sure it doesn't say "MODE_DIRECT_NONE_MV" */ | ||
1850 : | edgomez | 851 | pMB->b_mvs[0].x = pMB->b_mvs[0].y = 0; |
1851 : | return 256*4096; | ||
1852 : | } | ||
1853 : | if (b_mb->mode != MODE_INTER4V) { | ||
1854 : | pMB->mvs[1] = pMB->mvs[2] = pMB->mvs[3] = pMB->mvs[0]; | ||
1855 : | pMB->b_mvs[1] = pMB->b_mvs[2] = pMB->b_mvs[3] = pMB->b_mvs[0]; | ||
1856 : | Data->directmvF[1] = Data->directmvF[2] = Data->directmvF[3] = Data->directmvF[0]; | ||
1857 : | Data->directmvB[1] = Data->directmvB[2] = Data->directmvB[3] = Data->directmvB[0]; | ||
1858 : | break; | ||
1859 : | } | ||
1860 : | edgomez | 195 | } |
1861 : | Isibaar | 3 | |
1862 : | edgomez | 851 | CheckCandidate = b_mb->mode == MODE_INTER4V ? CheckCandidateDirect : CheckCandidateDirectno4v; |
1863 : | Isibaar | 3 | |
1864 : | edgomez | 851 | CheckCandidate(0, 0, 255, &k, Data); |
1865 : | edgomez | 195 | |
1866 : | edgomez | 1053 | /* initial (fast) skip decision */ |
1867 : | edgomez | 1023 | if (*Data->iMinSAD < pMB->quant * INITIAL_SKIP_THRESH * (Data->chroma?3:2)) { |
1868 : | edgomez | 1053 | /* possible skip */ |
1869 : | edgomez | 851 | if (Data->chroma) { |
1870 : | pMB->mode = MODE_DIRECT_NONE_MV; | ||
1871 : | edgomez | 1053 | return *Data->iMinSAD; /* skip. */ |
1872 : | edgomez | 851 | } else { |
1873 : | SkipDecisionB(pCur, f_Ref, b_Ref, pMB, x, y, Data); | ||
1874 : | edgomez | 1053 | if (pMB->mode == MODE_DIRECT_NONE_MV) return *Data->iMinSAD; /* skip. */ |
1875 : | edgomez | 851 | } |
1876 : | Isibaar | 3 | } |
1877 : | |||
1878 : | edgomez | 953 | *Data->iMinSAD += Data->lambda16; |
1879 : | edgomez | 851 | skip_sad = *Data->iMinSAD; |
1880 : | syskin | 1084 | |
1881 : | edgomez | 1053 | /* |
1882 : | * DIRECT MODE DELTA VECTOR SEARCH. | ||
1883 : | * This has to be made more effective, but at the moment I'm happy it's running at all | ||
1884 : | */ | ||
1885 : | edgomez | 195 | |
1886 : | edgomez | 949 | if (MotionFlags & XVID_ME_USESQUARES16) MainSearchPtr = SquareSearch; |
1887 : | else if (MotionFlags & XVID_ME_ADVANCEDDIAMOND16) MainSearchPtr = AdvDiamondSearch; | ||
1888 : | edgomez | 851 | else MainSearchPtr = DiamondSearch; |
1889 : | Isibaar | 3 | |
1890 : | edgomez | 851 | MainSearchPtr(0, 0, Data, 255); |
1891 : | Isibaar | 3 | |
1892 : | edgomez | 851 | SubpelRefine(Data); |
1893 : | chl | 181 | |
1894 : | edgomez | 851 | *best_sad = *Data->iMinSAD; |
1895 : | chl | 181 | |
1896 : | edgomez | 851 | if (Data->qpel || b_mb->mode == MODE_INTER4V) pMB->mode = MODE_DIRECT; |
1897 : | edgomez | 1053 | else pMB->mode = MODE_DIRECT_NO4V; /* for faster compensation */ |
1898 : | chl | 181 | |
1899 : | edgomez | 851 | pMB->pmvs[3] = *Data->currentMV; |
1900 : | edgomez | 195 | |
1901 : | edgomez | 851 | for (k = 0; k < 4; k++) { |
1902 : | pMB->mvs[k].x = Data->directmvF[k].x + Data->currentMV->x; | ||
1903 : | pMB->b_mvs[k].x = ( (Data->currentMV->x == 0) | ||
1904 : | ? Data->directmvB[k].x | ||
1905 : | :pMB->mvs[k].x - Data->referencemv[k].x); | ||
1906 : | pMB->mvs[k].y = (Data->directmvF[k].y + Data->currentMV->y); | ||
1907 : | pMB->b_mvs[k].y = ((Data->currentMV->y == 0) | ||
1908 : | ? Data->directmvB[k].y | ||
1909 : | : pMB->mvs[k].y - Data->referencemv[k].y); | ||
1910 : | if (Data->qpel) { | ||
1911 : | pMB->qmvs[k].x = pMB->mvs[k].x; pMB->mvs[k].x /= 2; | ||
1912 : | pMB->b_qmvs[k].x = pMB->b_mvs[k].x; pMB->b_mvs[k].x /= 2; | ||
1913 : | pMB->qmvs[k].y = pMB->mvs[k].y; pMB->mvs[k].y /= 2; | ||
1914 : | pMB->b_qmvs[k].y = pMB->b_mvs[k].y; pMB->b_mvs[k].y /= 2; | ||
1915 : | } | ||
1916 : | edgomez | 195 | |
1917 : | edgomez | 851 | if (b_mb->mode != MODE_INTER4V) { |
1918 : | pMB->mvs[3] = pMB->mvs[2] = pMB->mvs[1] = pMB->mvs[0]; | ||
1919 : | pMB->b_mvs[3] = pMB->b_mvs[2] = pMB->b_mvs[1] = pMB->b_mvs[0]; | ||
1920 : | pMB->qmvs[3] = pMB->qmvs[2] = pMB->qmvs[1] = pMB->qmvs[0]; | ||
1921 : | pMB->b_qmvs[3] = pMB->b_qmvs[2] = pMB->b_qmvs[1] = pMB->b_qmvs[0]; | ||
1922 : | break; | ||
1923 : | } | ||
1924 : | edgomez | 78 | } |
1925 : | edgomez | 851 | return skip_sad; |
1926 : | } | ||
1927 : | Isibaar | 3 | |
1928 : | edgomez | 851 | static void |
1929 : | SearchInterpolate(const IMAGE * const f_Ref, | ||
1930 : | const uint8_t * const f_RefH, | ||
1931 : | const uint8_t * const f_RefV, | ||
1932 : | const uint8_t * const f_RefHV, | ||
1933 : | const IMAGE * const b_Ref, | ||
1934 : | const uint8_t * const b_RefH, | ||
1935 : | const uint8_t * const b_RefV, | ||
1936 : | const uint8_t * const b_RefHV, | ||
1937 : | const IMAGE * const pCur, | ||
1938 : | const int x, const int y, | ||
1939 : | const uint32_t fcode, | ||
1940 : | const uint32_t bcode, | ||
1941 : | const uint32_t MotionFlags, | ||
1942 : | const MBParam * const pParam, | ||
1943 : | const VECTOR * const f_predMV, | ||
1944 : | const VECTOR * const b_predMV, | ||
1945 : | MACROBLOCK * const pMB, | ||
1946 : | int32_t * const best_sad, | ||
1947 : | SearchData * const fData) | ||
1948 : | chl | 96 | |
1949 : | edgomez | 851 | { |
1950 : | chl | 169 | |
1951 : | edgomez | 851 | int iDirection, i, j; |
1952 : | SearchData bData; | ||
1953 : | chl | 169 | |
1954 : | edgomez | 851 | fData->qpel_precision = 0; |
1955 : | edgomez | 1053 | memcpy(&bData, fData, sizeof(SearchData)); /* quick copy of common data */ |
1956 : | edgomez | 851 | *fData->iMinSAD = 4096*256; |
1957 : | bData.currentMV++; bData.currentQMV++; | ||
1958 : | fData->iFcode = bData.bFcode = fcode; fData->bFcode = bData.iFcode = bcode; | ||
1959 : | chl | 169 | |
1960 : | edgomez | 851 | i = (x + y * fData->iEdgedWidth) * 16; |
1961 : | chl | 169 | |
1962 : | edgomez | 978 | bData.b_RefP[0] = fData->RefP[0] = f_Ref->y + i; |
1963 : | bData.b_RefP[2] = fData->RefP[2] = f_RefH + i; | ||
1964 : | bData.b_RefP[1] = fData->RefP[1] = f_RefV + i; | ||
1965 : | bData.b_RefP[3] = fData->RefP[3] = f_RefHV + i; | ||
1966 : | bData.RefP[0] = fData->b_RefP[0] = b_Ref->y + i; | ||
1967 : | bData.RefP[2] = fData->b_RefP[2] = b_RefH + i; | ||
1968 : | bData.RefP[1] = fData->b_RefP[1] = b_RefV + i; | ||
1969 : | bData.RefP[3] = fData->b_RefP[3] = b_RefHV + i; | ||
1970 : | bData.b_RefP[4] = fData->RefP[4] = f_Ref->u + (x + (fData->iEdgedWidth/2) * y) * 8; | ||
1971 : | bData.b_RefP[5] = fData->RefP[5] = f_Ref->v + (x + (fData->iEdgedWidth/2) * y) * 8; | ||
1972 : | bData.RefP[4] = fData->b_RefP[4] = b_Ref->u + (x + (fData->iEdgedWidth/2) * y) * 8; | ||
1973 : | bData.RefP[5] = fData->b_RefP[5] = b_Ref->v + (x + (fData->iEdgedWidth/2) * y) * 8; | ||
1974 : | chl | 169 | |
1975 : | edgomez | 851 | bData.bpredMV = fData->predMV = *f_predMV; |
1976 : | fData->bpredMV = bData.predMV = *b_predMV; | ||
1977 : | fData->currentMV[0] = fData->currentMV[2]; | ||
1978 : | Isibaar | 3 | |
1979 : | edgomez | 851 | get_range(&fData->min_dx, &fData->max_dx, &fData->min_dy, &fData->max_dy, x, y, 16, pParam->width, pParam->height, fcode - fData->qpel, 0, 0); |
1980 : | get_range(&bData.min_dx, &bData.max_dx, &bData.min_dy, &bData.max_dy, x, y, 16, pParam->width, pParam->height, bcode - fData->qpel, 0, 0); | ||
1981 : | Isibaar | 3 | |
1982 : | edgomez | 851 | if (fData->currentMV[0].x > fData->max_dx) fData->currentMV[0].x = fData->max_dx; |
1983 : | if (fData->currentMV[0].x < fData->min_dx) fData->currentMV[0].x = fData->min_dx; | ||
1984 : | if (fData->currentMV[0].y > fData->max_dy) fData->currentMV[0].y = fData->max_dy; | ||
1985 : | if (fData->currentMV[0].y < fData->min_dy) fData->currentMV[0].y = fData->min_dy; | ||
1986 : | chl | 169 | |
1987 : | edgomez | 851 | if (fData->currentMV[1].x > bData.max_dx) fData->currentMV[1].x = bData.max_dx; |
1988 : | if (fData->currentMV[1].x < bData.min_dx) fData->currentMV[1].x = bData.min_dx; | ||
1989 : | if (fData->currentMV[1].y > bData.max_dy) fData->currentMV[1].y = bData.max_dy; | ||
1990 : | if (fData->currentMV[1].y < bData.min_dy) fData->currentMV[1].y = bData.min_dy; | ||
1991 : | Isibaar | 3 | |
1992 : | edgomez | 851 | CheckCandidateInt(fData->currentMV[0].x, fData->currentMV[0].y, 255, &iDirection, fData); |
1993 : | chl | 169 | |
1994 : | edgomez | 1053 | /* diamond */ |
1995 : | edgomez | 851 | do { |
1996 : | iDirection = 255; | ||
1997 : | edgomez | 1053 | /* forward MV moves */ |
1998 : | edgomez | 851 | i = fData->currentMV[0].x; j = fData->currentMV[0].y; |
1999 : | chl | 169 | |
2000 : | edgomez | 851 | CheckCandidateInt(i + 1, j, 0, &iDirection, fData); |
2001 : | CheckCandidateInt(i, j + 1, 0, &iDirection, fData); | ||
2002 : | CheckCandidateInt(i - 1, j, 0, &iDirection, fData); | ||
2003 : | CheckCandidateInt(i, j - 1, 0, &iDirection, fData); | ||
2004 : | edgomez | 195 | |
2005 : | edgomez | 1053 | /* backward MV moves */ |
2006 : | edgomez | 851 | i = fData->currentMV[1].x; j = fData->currentMV[1].y; |
2007 : | fData->currentMV[2] = fData->currentMV[0]; | ||
2008 : | CheckCandidateInt(i + 1, j, 0, &iDirection, &bData); | ||
2009 : | CheckCandidateInt(i, j + 1, 0, &iDirection, &bData); | ||
2010 : | CheckCandidateInt(i - 1, j, 0, &iDirection, &bData); | ||
2011 : | CheckCandidateInt(i, j - 1, 0, &iDirection, &bData); | ||
2012 : | Isibaar | 3 | |
2013 : | edgomez | 851 | } while (!(iDirection)); |
2014 : | chl | 140 | |
2015 : | edgomez | 1053 | /* qpel refinement */ |
2016 : | edgomez | 851 | if (fData->qpel) { |
2017 : | if (*fData->iMinSAD > *best_sad + 500) return; | ||
2018 : | CheckCandidate = CheckCandidateInt; | ||
2019 : | fData->qpel_precision = bData.qpel_precision = 1; | ||
2020 : | get_range(&fData->min_dx, &fData->max_dx, &fData->min_dy, &fData->max_dy, x, y, 16, pParam->width, pParam->height, fcode, 1, 0); | ||
2021 : | get_range(&bData.min_dx, &bData.max_dx, &bData.min_dy, &bData.max_dy, x, y, 16, pParam->width, pParam->height, bcode, 1, 0); | ||
2022 : | fData->currentQMV[2].x = fData->currentQMV[0].x = 2 * fData->currentMV[0].x; | ||
2023 : | fData->currentQMV[2].y = fData->currentQMV[0].y = 2 * fData->currentMV[0].y; | ||
2024 : | fData->currentQMV[1].x = 2 * fData->currentMV[1].x; | ||
2025 : | fData->currentQMV[1].y = 2 * fData->currentMV[1].y; | ||
2026 : | SubpelRefine(fData); | ||
2027 : | if (*fData->iMinSAD > *best_sad + 300) return; | ||
2028 : | fData->currentQMV[2] = fData->currentQMV[0]; | ||
2029 : | SubpelRefine(&bData); | ||
2030 : | } | ||
2031 : | chl | 140 | |
2032 : | edgomez | 1053 | *fData->iMinSAD += (2+3) * fData->lambda16; /* two bits are needed to code interpolate mode. */ |
2033 : | Isibaar | 3 | |
2034 : | edgomez | 851 | if (*fData->iMinSAD < *best_sad) { |
2035 : | *best_sad = *fData->iMinSAD; | ||
2036 : | pMB->mvs[0] = fData->currentMV[0]; | ||
2037 : | pMB->b_mvs[0] = fData->currentMV[1]; | ||
2038 : | pMB->mode = MODE_INTERPOLATE; | ||
2039 : | if (fData->qpel) { | ||
2040 : | pMB->qmvs[0] = fData->currentQMV[0]; | ||
2041 : | pMB->b_qmvs[0] = fData->currentQMV[1]; | ||
2042 : | pMB->pmvs[1].x = pMB->qmvs[0].x - f_predMV->x; | ||
2043 : | pMB->pmvs[1].y = pMB->qmvs[0].y - f_predMV->y; | ||
2044 : | pMB->pmvs[0].x = pMB->b_qmvs[0].x - b_predMV->x; | ||
2045 : | pMB->pmvs[0].y = pMB->b_qmvs[0].y - b_predMV->y; | ||
2046 : | } else { | ||
2047 : | pMB->pmvs[1].x = pMB->mvs[0].x - f_predMV->x; | ||
2048 : | pMB->pmvs[1].y = pMB->mvs[0].y - f_predMV->y; | ||
2049 : | pMB->pmvs[0].x = pMB->b_mvs[0].x - b_predMV->x; | ||
2050 : | pMB->pmvs[0].y = pMB->b_mvs[0].y - b_predMV->y; | ||
2051 : | } | ||
2052 : | edgomez | 78 | } |
2053 : | edgomez | 851 | } |
2054 : | Isibaar | 3 | |
2055 : | edgomez | 851 | void |
2056 : | MotionEstimationBVOP(MBParam * const pParam, | ||
2057 : | FRAMEINFO * const frame, | ||
2058 : | const int32_t time_bp, | ||
2059 : | const int32_t time_pp, | ||
2060 : | edgomez | 1053 | /* forward (past) reference */ |
2061 : | edgomez | 851 | const MACROBLOCK * const f_mbs, |
2062 : | const IMAGE * const f_ref, | ||
2063 : | const IMAGE * const f_refH, | ||
2064 : | const IMAGE * const f_refV, | ||
2065 : | const IMAGE * const f_refHV, | ||
2066 : | edgomez | 1053 | /* backward (future) reference */ |
2067 : | edgomez | 851 | const FRAMEINFO * const b_reference, |
2068 : | const IMAGE * const b_ref, | ||
2069 : | const IMAGE * const b_refH, | ||
2070 : | const IMAGE * const b_refV, | ||
2071 : | const IMAGE * const b_refHV) | ||
2072 : | { | ||
2073 : | uint32_t i, j; | ||
2074 : | int32_t best_sad; | ||
2075 : | uint32_t skip_sad; | ||
2076 : | int f_count = 0, b_count = 0, i_count = 0, d_count = 0, n_count = 0; | ||
2077 : | const MACROBLOCK * const b_mbs = b_reference->mbs; | ||
2078 : | Isibaar | 3 | |
2079 : | edgomez | 851 | VECTOR f_predMV, b_predMV; /* there is no prediction for direct mode*/ |
2080 : | Isibaar | 3 | |
2081 : | edgomez | 851 | const int32_t TRB = time_pp - time_bp; |
2082 : | const int32_t TRD = time_pp; | ||
2083 : | edgomez | 195 | |
2084 : | edgomez | 1053 | /* some pre-inintialized data for the rest of the search */ |
2085 : | Isibaar | 3 | |
2086 : | edgomez | 851 | SearchData Data; |
2087 : | int32_t iMinSAD; | ||
2088 : | VECTOR currentMV[3]; | ||
2089 : | VECTOR currentQMV[3]; | ||
2090 : | int32_t temp[8]; | ||
2091 : | memset(&Data, 0, sizeof(SearchData)); | ||
2092 : | Data.iEdgedWidth = pParam->edged_width; | ||
2093 : | Data.currentMV = currentMV; Data.currentQMV = currentQMV; | ||
2094 : | Data.iMinSAD = &iMinSAD; | ||
2095 : | Data.lambda16 = lambda_vec16[frame->quant]; | ||
2096 : | edgomez | 949 | Data.qpel = pParam->vol_flags & XVID_VOL_QUARTERPEL; |
2097 : | edgomez | 851 | Data.rounding = 0; |
2098 : | edgomez | 1107 | Data.chroma = frame->motion_flags & XVID_ME_CHROMA_BVOP; |
2099 : | edgomez | 851 | Data.temp = temp; |
2100 : | Isibaar | 3 | |
2101 : | edgomez | 1053 | Data.RefQ = f_refV->u; /* a good place, also used in MC (for similar purpose) */ |
2102 : | |||
2103 : | /* note: i==horizontal, j==vertical */ | ||
2104 : | edgomez | 851 | for (j = 0; j < pParam->mb_height; j++) { |
2105 : | edgomez | 195 | |
2106 : | edgomez | 851 | f_predMV = b_predMV = zeroMV; /* prediction is reset at left boundary */ |
2107 : | Isibaar | 3 | |
2108 : | edgomez | 851 | for (i = 0; i < pParam->mb_width; i++) { |
2109 : | MACROBLOCK * const pMB = frame->mbs + i + j * pParam->mb_width; | ||
2110 : | const MACROBLOCK * const b_mb = b_mbs + i + j * pParam->mb_width; | ||
2111 : | edgomez | 195 | |
2112 : | edgomez | 851 | /* special case, if collocated block is SKIPed in P-VOP: encoding is forward (0,0), cpb=0 without further ado */ |
2113 : | if (b_reference->coding_type != S_VOP) | ||
2114 : | if (b_mb->mode == MODE_NOT_CODED) { | ||
2115 : | pMB->mode = MODE_NOT_CODED; | ||
2116 : | continue; | ||
2117 : | } | ||
2118 : | Isibaar | 3 | |
2119 : | edgomez | 851 | Data.Cur = frame->image.y + (j * Data.iEdgedWidth + i) * 16; |
2120 : | Data.CurU = frame->image.u + (j * Data.iEdgedWidth/2 + i) * 8; | ||
2121 : | Data.CurV = frame->image.v + (j * Data.iEdgedWidth/2 + i) * 8; | ||
2122 : | edgomez | 953 | pMB->quant = frame->quant; |
2123 : | Isibaar | 3 | |
2124 : | edgomez | 851 | /* direct search comes first, because it (1) checks for SKIP-mode |
2125 : | and (2) sets very good predictions for forward and backward search */ | ||
2126 : | skip_sad = SearchDirect(f_ref, f_refH->y, f_refV->y, f_refHV->y, | ||
2127 : | b_ref, b_refH->y, b_refV->y, b_refHV->y, | ||
2128 : | &frame->image, | ||
2129 : | i, j, | ||
2130 : | frame->motion_flags, | ||
2131 : | TRB, TRD, | ||
2132 : | pParam, | ||
2133 : | pMB, b_mb, | ||
2134 : | &best_sad, | ||
2135 : | &Data); | ||
2136 : | Isibaar | 3 | |
2137 : | edgomez | 851 | if (pMB->mode == MODE_DIRECT_NONE_MV) { n_count++; continue; } |
2138 : | edgomez | 195 | |
2139 : | edgomez | 1053 | /* forward search */ |
2140 : | edgomez | 851 | SearchBF(f_ref, f_refH->y, f_refV->y, f_refHV->y, |
2141 : | &frame->image, i, j, | ||
2142 : | frame->motion_flags, | ||
2143 : | frame->fcode, pParam, | ||
2144 : | pMB, &f_predMV, &best_sad, | ||
2145 : | MODE_FORWARD, &Data); | ||
2146 : | edgomez | 195 | |
2147 : | edgomez | 1053 | /* backward search */ |
2148 : | edgomez | 851 | SearchBF(b_ref, b_refH->y, b_refV->y, b_refHV->y, |
2149 : | &frame->image, i, j, | ||
2150 : | frame->motion_flags, | ||
2151 : | frame->bcode, pParam, | ||
2152 : | pMB, &b_predMV, &best_sad, | ||
2153 : | MODE_BACKWARD, &Data); | ||
2154 : | |||
2155 : | edgomez | 1053 | /* interpolate search comes last, because it uses data from forward and backward as prediction */ |
2156 : | edgomez | 851 | SearchInterpolate(f_ref, f_refH->y, f_refV->y, f_refHV->y, |
2157 : | b_ref, b_refH->y, b_refV->y, b_refHV->y, | ||
2158 : | &frame->image, | ||
2159 : | i, j, | ||
2160 : | frame->fcode, frame->bcode, | ||
2161 : | frame->motion_flags, | ||
2162 : | pParam, | ||
2163 : | &f_predMV, &b_predMV, | ||
2164 : | pMB, &best_sad, | ||
2165 : | &Data); | ||
2166 : | |||
2167 : | edgomez | 1053 | /* final skip decision */ |
2168 : | edgomez | 851 | if ( (skip_sad < frame->quant * MAX_SAD00_FOR_SKIP * 2) |
2169 : | && ((100*best_sad)/(skip_sad+1) > FINAL_SKIP_THRESH) ) | ||
2170 : | SkipDecisionB(&frame->image, f_ref, b_ref, pMB, i, j, &Data); | ||
2171 : | |||
2172 : | switch (pMB->mode) { | ||
2173 : | case MODE_FORWARD: | ||
2174 : | f_count++; | ||
2175 : | f_predMV = Data.qpel ? pMB->qmvs[0] : pMB->mvs[0]; | ||
2176 : | break; | ||
2177 : | case MODE_BACKWARD: | ||
2178 : | b_count++; | ||
2179 : | b_predMV = Data.qpel ? pMB->b_qmvs[0] : pMB->b_mvs[0]; | ||
2180 : | break; | ||
2181 : | case MODE_INTERPOLATE: | ||
2182 : | i_count++; | ||
2183 : | f_predMV = Data.qpel ? pMB->qmvs[0] : pMB->mvs[0]; | ||
2184 : | b_predMV = Data.qpel ? pMB->b_qmvs[0] : pMB->b_mvs[0]; | ||
2185 : | break; | ||
2186 : | case MODE_DIRECT: | ||
2187 : | case MODE_DIRECT_NO4V: | ||
2188 : | d_count++; | ||
2189 : | default: | ||
2190 : | break; | ||
2191 : | } | ||
2192 : | } | ||
2193 : | } | ||
2194 : | Isibaar | 3 | } |
2195 : | chl | 96 | |
2196 : | edgomez | 851 | static __inline void |
2197 : | MEanalyzeMB ( const uint8_t * const pRef, | ||
2198 : | const uint8_t * const pCur, | ||
2199 : | const int x, | ||
2200 : | const int y, | ||
2201 : | const MBParam * const pParam, | ||
2202 : | MACROBLOCK * const pMBs, | ||
2203 : | SearchData * const Data) | ||
2204 : | chl | 96 | { |
2205 : | |||
2206 : | edgomez | 851 | int i, mask; |
2207 : | edgomez | 953 | int quarterpel = (pParam->vol_flags & XVID_VOL_QUARTERPEL)? 1: 0; |
2208 : | edgomez | 851 | VECTOR pmv[3]; |
2209 : | edgomez | 953 | MACROBLOCK * const pMB = &pMBs[x + y * pParam->mb_width]; |
2210 : | chl | 96 | |
2211 : | edgomez | 851 | for (i = 0; i < 5; i++) Data->iMinSAD[i] = MV_MAX_ERROR; |
2212 : | chl | 96 | |
2213 : | edgomez | 1053 | /* median is only used as prediction. it doesn't have to be real */ |
2214 : | edgomez | 851 | if (x == 1 && y == 1) Data->predMV.x = Data->predMV.y = 0; |
2215 : | else | ||
2216 : | edgomez | 1053 | if (x == 1) /* left macroblock does not have any vector now */ |
2217 : | Data->predMV = (pMB - pParam->mb_width)->mvs[0]; /* top instead of median */ | ||
2218 : | else if (y == 1) /* top macroblock doesn't have it's vector */ | ||
2219 : | Data->predMV = (pMB - 1)->mvs[0]; /* left instead of median */ | ||
2220 : | else Data->predMV = get_pmv2(pMBs, pParam->mb_width, 0, x, y, 0); /* else median */ | ||
2221 : | edgomez | 195 | |
2222 : | edgomez | 851 | get_range(&Data->min_dx, &Data->max_dx, &Data->min_dy, &Data->max_dy, x, y, 16, |
2223 : | syskin | 1084 | pParam->width, pParam->height, Data->iFcode - quarterpel, 0, 0); |
2224 : | edgomez | 195 | |
2225 : | edgomez | 851 | Data->Cur = pCur + (x + y * pParam->edged_width) * 16; |
2226 : | edgomez | 978 | Data->RefP[0] = pRef + (x + y * pParam->edged_width) * 16; |
2227 : | chl | 96 | |
2228 : | edgomez | 851 | pmv[1].x = EVEN(pMB->mvs[0].x); |
2229 : | pmv[1].y = EVEN(pMB->mvs[0].y); | ||
2230 : | pmv[2].x = EVEN(Data->predMV.x); | ||
2231 : | pmv[2].y = EVEN(Data->predMV.y); | ||
2232 : | pmv[0].x = pmv[0].y = 0; | ||
2233 : | edgomez | 195 | |
2234 : | edgomez | 851 | CheckCandidate32I(0, 0, 255, &i, Data); |
2235 : | edgomez | 195 | |
2236 : | edgomez | 953 | if (*Data->iMinSAD > 4 * MAX_SAD00_FOR_SKIP) { |
2237 : | chl | 96 | |
2238 : | edgomez | 851 | if (!(mask = make_mask(pmv, 1))) |
2239 : | CheckCandidate32I(pmv[1].x, pmv[1].y, mask, &i, Data); | ||
2240 : | if (!(mask = make_mask(pmv, 2))) | ||
2241 : | CheckCandidate32I(pmv[2].x, pmv[2].y, mask, &i, Data); | ||
2242 : | chl | 96 | |
2243 : | edgomez | 1053 | if (*Data->iMinSAD > 4 * MAX_SAD00_FOR_SKIP) /* diamond only if needed */ |
2244 : | edgomez | 851 | DiamondSearch(Data->currentMV->x, Data->currentMV->y, Data, i); |
2245 : | edgomez | 953 | } |
2246 : | edgomez | 851 | |
2247 : | edgomez | 953 | for (i = 0; i < 4; i++) { |
2248 : | MACROBLOCK * MB = &pMBs[x + (i&1) + (y+(i>>1)) * pParam->mb_width]; | ||
2249 : | MB->mvs[0] = MB->mvs[1] = MB->mvs[2] = MB->mvs[3] = Data->currentMV[i]; | ||
2250 : | MB->mode = MODE_INTER; | ||
2251 : | MB->sad16 = Data->iMinSAD[i+1]; | ||
2252 : | chl | 96 | } |
2253 : | edgomez | 851 | } |
2254 : | chl | 96 | |
2255 : | syskin | 1075 | #define INTRA_THRESH 2200 |
2256 : | #define INTER_THRESH 50 | ||
2257 : | #define INTRA_THRESH2 95 | ||
2258 : | chl | 96 | |
2259 : | edgomez | 851 | int |
2260 : | MEanalysis( const IMAGE * const pRef, | ||
2261 : | edgomez | 953 | const FRAMEINFO * const Current, |
2262 : | const MBParam * const pParam, | ||
2263 : | syskin | 1075 | const int maxIntra, //maximum number if non-I frames |
2264 : | const int intraCount, //number of non-I frames after last I frame; 0 if we force P/B frame | ||
2265 : | syskin | 1084 | const int bCount, // number of B frames in a row |
2266 : | edgomez | 953 | const int b_thresh) |
2267 : | edgomez | 851 | { |
2268 : | uint32_t x, y, intra = 0; | ||
2269 : | int sSAD = 0; | ||
2270 : | MACROBLOCK * const pMBs = Current->mbs; | ||
2271 : | const IMAGE * const pCurrent = &Current->image; | ||
2272 : | syskin | 1075 | int IntraThresh = INTRA_THRESH, InterThresh = INTER_THRESH + b_thresh; |
2273 : | chl | 1077 | int blocks = 0; |
2274 : | syskin | 1075 | int complexity = 0; |
2275 : | chl | 96 | |
2276 : | edgomez | 851 | int32_t iMinSAD[5], temp[5]; |
2277 : | VECTOR currentMV[5]; | ||
2278 : | SearchData Data; | ||
2279 : | Data.iEdgedWidth = pParam->edged_width; | ||
2280 : | Data.currentMV = currentMV; | ||
2281 : | Data.iMinSAD = iMinSAD; | ||
2282 : | Data.iFcode = Current->fcode; | ||
2283 : | Data.temp = temp; | ||
2284 : | CheckCandidate = CheckCandidate32I; | ||
2285 : | chl | 96 | |
2286 : | edgomez | 1023 | if (intraCount != 0) { |
2287 : | syskin | 1075 | if (intraCount < 10) // we're right after an I frame |
2288 : | edgomez | 1023 | IntraThresh += 15* (intraCount - 10) * (intraCount - 10); |
2289 : | else | ||
2290 : | syskin | 1075 | if ( 5*(maxIntra - intraCount) < maxIntra) // we're close to maximum. 2 sec when max is 10 sec |
2291 : | edgomez | 1023 | IntraThresh -= (IntraThresh * (maxIntra - 8*(maxIntra - intraCount)))/maxIntra; |
2292 : | } | ||
2293 : | chl | 96 | |
2294 : | syskin | 1075 | InterThresh -= 12 * bCount; |
2295 : | if (InterThresh < 15 + b_thresh) InterThresh = 15 + b_thresh; | ||
2296 : | chl | 326 | |
2297 : | edgomez | 851 | if (sadInit) (*sadInit) (); |
2298 : | chl | 96 | |
2299 : | edgomez | 851 | for (y = 1; y < pParam->mb_height-1; y += 2) { |
2300 : | for (x = 1; x < pParam->mb_width-1; x += 2) { | ||
2301 : | int i; | ||
2302 : | syskin | 1075 | blocks += 10; |
2303 : | edgomez | 195 | |
2304 : | edgomez | 851 | if (bCount == 0) pMBs[x + y * pParam->mb_width].mvs[0] = zeroMV; |
2305 : | syskin | 1075 | else { //extrapolation of the vector found for last frame |
2306 : | edgomez | 978 | pMBs[x + y * pParam->mb_width].mvs[0].x = |
2307 : | edgomez | 953 | (pMBs[x + y * pParam->mb_width].mvs[0].x * (bCount+1) ) / bCount; |
2308 : | edgomez | 978 | pMBs[x + y * pParam->mb_width].mvs[0].y = |
2309 : | edgomez | 953 | (pMBs[x + y * pParam->mb_width].mvs[0].y * (bCount+1) ) / bCount; |
2310 : | } | ||
2311 : | edgomez | 195 | |
2312 : | edgomez | 851 | MEanalyzeMB(pRef->y, pCurrent->y, x, y, pParam, pMBs, &Data); |
2313 : | edgomez | 195 | |
2314 : | edgomez | 851 | for (i = 0; i < 4; i++) { |
2315 : | int dev; | ||
2316 : | MACROBLOCK *pMB = &pMBs[x+(i&1) + (y+(i>>1)) * pParam->mb_width]; | ||
2317 : | syskin | 1075 | dev = dev16(pCurrent->y + (x + (i&1) + (y + (i>>1)) * pParam->edged_width) * 16, |
2318 : | pParam->edged_width); | ||
2319 : | syskin | 1084 | |
2320 : | syskin | 1108 | complexity += MAX(dev, 300); |
2321 : | syskin | 1075 | if (dev + IntraThresh < pMB->sad16) { |
2322 : | pMB->mode = MODE_INTRA; | ||
2323 : | if (++intra > ((pParam->mb_height-2)*(pParam->mb_width-2))/2) return I_VOP; | ||
2324 : | edgomez | 851 | } |
2325 : | edgomez | 953 | |
2326 : | syskin | 1084 | if (pMB->mvs[0].x == 0 && pMB->mvs[0].y == 0) |
2327 : | syskin | 1075 | if (dev > 500 && pMB->sad16 < 1000) |
2328 : | sSAD += 1000; | ||
2329 : | |||
2330 : | syskin | 1108 | sSAD += (dev < 3000) ? pMB->sad16 : pMB->sad16/2; /* blocks with big contrast differences usually have large SAD - while they look very good in b-frames */ |
2331 : | edgomez | 851 | } |
2332 : | } | ||
2333 : | edgomez | 195 | } |
2334 : | syskin | 1075 | complexity >>= 7; |
2335 : | edgomez | 953 | |
2336 : | syskin | 1075 | sSAD /= complexity + 4*blocks; |
2337 : | edgomez | 953 | |
2338 : | syskin | 1108 | if (intraCount > 80 && sSAD > INTRA_THRESH2 ) return I_VOP; |
2339 : | edgomez | 851 | if (sSAD > InterThresh ) return P_VOP; |
2340 : | emms(); | ||
2341 : | return B_VOP; | ||
2342 : | } | ||
2343 : | chl | 96 | |
2344 : | |||
2345 : | edgomez | 1053 | /* functions which perform BITS-based search/bitcount */ |
2346 : | chl | 96 | |
2347 : | edgomez | 851 | static int |
2348 : | syskin | 1108 | findRDinter(SearchData * const Data, |
2349 : | const MACROBLOCK * const pMBs, const int x, const int y, | ||
2350 : | const MBParam * const pParam, | ||
2351 : | const uint32_t MotionFlags) | ||
2352 : | chl | 96 | { |
2353 : | edgomez | 851 | int i, iDirection; |
2354 : | int32_t bsad[5]; | ||
2355 : | chl | 141 | |
2356 : | syskin | 1108 | CheckCandidate = CheckCandidateRD16; |
2357 : | chl | 96 | |
2358 : | edgomez | 851 | if (Data->qpel) { |
2359 : | for(i = 0; i < 5; i++) { | ||
2360 : | Data->currentMV[i].x = Data->currentQMV[i].x/2; | ||
2361 : | Data->currentMV[i].y = Data->currentQMV[i].y/2; | ||
2362 : | } | ||
2363 : | Data->qpel_precision = 1; | ||
2364 : | syskin | 1108 | CheckCandidateRD16(Data->currentQMV[0].x, Data->currentQMV[0].y, 255, &iDirection, Data); |
2365 : | chl | 96 | |
2366 : | edgomez | 1107 | if (MotionFlags & (XVID_ME_HALFPELREFINE16_RD | XVID_ME_EXTSEARCH_RD)) { /* we have to prepare for halfpixel-precision search */ |
2367 : | edgomez | 851 | for(i = 0; i < 5; i++) bsad[i] = Data->iMinSAD[i]; |
2368 : | get_range(&Data->min_dx, &Data->max_dx, &Data->min_dy, &Data->max_dy, x, y, 16, | ||
2369 : | pParam->width, pParam->height, Data->iFcode - Data->qpel, 0, Data->rrv); | ||
2370 : | Data->qpel_precision = 0; | ||
2371 : | if (Data->currentQMV->x & 1 || Data->currentQMV->y & 1) | ||
2372 : | syskin | 1108 | CheckCandidateRD16(Data->currentMV[0].x, Data->currentMV[0].y, 255, &iDirection, Data); |
2373 : | edgomez | 851 | } |
2374 : | edgomez | 195 | |
2375 : | edgomez | 1053 | } else { /* not qpel */ |
2376 : | edgomez | 195 | |
2377 : | syskin | 1108 | CheckCandidateRD16(Data->currentMV[0].x, Data->currentMV[0].y, 255, &iDirection, Data); |
2378 : | edgomez | 851 | } |
2379 : | chl | 96 | |
2380 : | edgomez | 1107 | if (MotionFlags&XVID_ME_EXTSEARCH_RD) SquareSearch(Data->currentMV->x, Data->currentMV->y, Data, iDirection); |
2381 : | chl | 96 | |
2382 : | edgomez | 1107 | if (MotionFlags&XVID_ME_HALFPELREFINE16_RD) SubpelRefine(Data); |
2383 : | chl | 96 | |
2384 : | edgomez | 851 | if (Data->qpel) { |
2385 : | edgomez | 1107 | if (MotionFlags&(XVID_ME_EXTSEARCH_RD | XVID_ME_HALFPELREFINE16_RD)) { /* there was halfpel-precision search */ |
2386 : | edgomez | 851 | for(i = 0; i < 5; i++) if (bsad[i] > Data->iMinSAD[i]) { |
2387 : | edgomez | 1053 | Data->currentQMV[i].x = 2 * Data->currentMV[i].x; /* we have found a better match */ |
2388 : | edgomez | 851 | Data->currentQMV[i].y = 2 * Data->currentMV[i].y; |
2389 : | } | ||
2390 : | edgomez | 195 | |
2391 : | edgomez | 1053 | /* preparing for qpel-precision search */ |
2392 : | edgomez | 851 | Data->qpel_precision = 1; |
2393 : | get_range(&Data->min_dx, &Data->max_dx, &Data->min_dy, &Data->max_dy, x, y, 16, | ||
2394 : | pParam->width, pParam->height, Data->iFcode, 1, 0); | ||
2395 : | } | ||
2396 : | edgomez | 1107 | if (MotionFlags&XVID_ME_QUARTERPELREFINE16_RD) SubpelRefine(Data); |
2397 : | edgomez | 851 | } |
2398 : | chl | 96 | |
2399 : | edgomez | 1107 | if (MotionFlags&XVID_ME_CHECKPREDICTION_RD) { /* let's check vector equal to prediction */ |
2400 : | edgomez | 851 | VECTOR * v = Data->qpel ? Data->currentQMV : Data->currentMV; |
2401 : | if (!(Data->predMV.x == v->x && Data->predMV.y == v->y)) | ||
2402 : | syskin | 1108 | CheckCandidateRD16(Data->predMV.x, Data->predMV.y, 255, &iDirection, Data); |
2403 : | edgomez | 851 | } |
2404 : | return Data->iMinSAD[0]; | ||
2405 : | } | ||
2406 : | chl | 96 | |
2407 : | edgomez | 851 | static int |
2408 : | syskin | 1108 | findRDinter4v(const SearchData * const Data, |
2409 : | MACROBLOCK * const pMB, const MACROBLOCK * const pMBs, | ||
2410 : | const int x, const int y, | ||
2411 : | const MBParam * const pParam, const uint32_t MotionFlags, | ||
2412 : | const VECTOR * const backup) | ||
2413 : | edgomez | 851 | { |
2414 : | chl | 96 | |
2415 : | edgomez | 851 | int cbp = 0, bits = 0, t = 0, i, iDirection; |
2416 : | SearchData Data2, *Data8 = &Data2; | ||
2417 : | int sumx = 0, sumy = 0; | ||
2418 : | edgomez | 962 | int16_t *in = Data->dctSpace, *coeff = Data->dctSpace + 64; |
2419 : | edgomez | 1022 | uint8_t * ptr; |
2420 : | chl | 96 | |
2421 : | edgomez | 851 | memcpy(Data8, Data, sizeof(SearchData)); |
2422 : | syskin | 1108 | CheckCandidate = CheckCandidateRD8; |
2423 : | chl | 96 | |
2424 : | edgomez | 1053 | for (i = 0; i < 4; i++) { /* for all luma blocks */ |
2425 : | edgomez | 1022 | |
2426 : | edgomez | 851 | Data8->iMinSAD = Data->iMinSAD + i + 1; |
2427 : | Data8->currentMV = Data->currentMV + i + 1; | ||
2428 : | Data8->currentQMV = Data->currentQMV + i + 1; | ||
2429 : | Data8->Cur = Data->Cur + 8*((i&1) + (i>>1)*Data->iEdgedWidth); | ||
2430 : | edgomez | 978 | Data8->RefP[0] = Data->RefP[0] + 8*((i&1) + (i>>1)*Data->iEdgedWidth); |
2431 : | Data8->RefP[2] = Data->RefP[2] + 8*((i&1) + (i>>1)*Data->iEdgedWidth); | ||
2432 : | Data8->RefP[1] = Data->RefP[1] + 8*((i&1) + (i>>1)*Data->iEdgedWidth); | ||
2433 : | Data8->RefP[3] = Data->RefP[3] + 8*((i&1) + (i>>1)*Data->iEdgedWidth); | ||
2434 : | syskin | 1084 | *Data8->cbp = (Data->cbp[1] & (1<<(5-i))) ? 1:0; // copy corresponding cbp bit |
2435 : | edgomez | 195 | |
2436 : | edgomez | 851 | if(Data->qpel) { |
2437 : | Data8->predMV = get_qpmv2(pMBs, pParam->mb_width, 0, x, y, i); | ||
2438 : | if (i != 0) t = d_mv_bits( Data8->currentQMV->x, Data8->currentQMV->y, | ||
2439 : | Data8->predMV, Data8->iFcode, 0, 0); | ||
2440 : | } else { | ||
2441 : | Data8->predMV = get_pmv2(pMBs, pParam->mb_width, 0, x, y, i); | ||
2442 : | if (i != 0) t = d_mv_bits( Data8->currentMV->x, Data8->currentMV->y, | ||
2443 : | Data8->predMV, Data8->iFcode, 0, 0); | ||
2444 : | } | ||
2445 : | chl | 96 | |
2446 : | edgomez | 851 | get_range(&Data8->min_dx, &Data8->max_dx, &Data8->min_dy, &Data8->max_dy, 2*x + (i&1), 2*y + (i>>1), 8, |
2447 : | pParam->width, pParam->height, Data8->iFcode, Data8->qpel, 0); | ||
2448 : | chl | 96 | |
2449 : | edgomez | 1023 | *Data8->iMinSAD += BITS_MULT*t; |
2450 : | chl | 96 | |
2451 : | edgomez | 851 | Data8->qpel_precision = Data8->qpel; |
2452 : | edgomez | 1053 | /* checking the vector which has been found by SAD-based 8x8 search (if it's different than the one found so far) */ |
2453 : | edgomez | 987 | { |
2454 : | VECTOR *v = Data8->qpel ? Data8->currentQMV : Data8->currentMV; | ||
2455 : | edgomez | 1022 | if (!MVequal (*v, backup[i+1]) ) |
2456 : | syskin | 1108 | CheckCandidateRD8(backup[i+1].x, backup[i+1].y, 255, &iDirection, Data8); |
2457 : | edgomez | 851 | } |
2458 : | edgomez | 195 | |
2459 : | edgomez | 851 | if (Data8->qpel) { |
2460 : | edgomez | 1107 | if (MotionFlags&XVID_ME_HALFPELREFINE8_RD || (MotionFlags&XVID_ME_EXTSEARCH8 && MotionFlags&XVID_ME_EXTSEARCH_RD)) { /* halfpixel motion search follows */ |
2461 : | edgomez | 851 | int32_t s = *Data8->iMinSAD; |
2462 : | Data8->currentMV->x = Data8->currentQMV->x/2; | ||
2463 : | Data8->currentMV->y = Data8->currentQMV->y/2; | ||
2464 : | Data8->qpel_precision = 0; | ||
2465 : | get_range(&Data8->min_dx, &Data8->max_dx, &Data8->min_dy, &Data8->max_dy, 2*x + (i&1), 2*y + (i>>1), 8, | ||
2466 : | pParam->width, pParam->height, Data8->iFcode - 1, 0, 0); | ||
2467 : | edgomez | 195 | |
2468 : | edgomez | 851 | if (Data8->currentQMV->x & 1 || Data8->currentQMV->y & 1) |
2469 : | syskin | 1108 | CheckCandidateRD8(Data8->currentMV->x, Data8->currentMV->y, 255, &iDirection, Data8); |
2470 : | edgomez | 195 | |
2471 : | edgomez | 1107 | if (MotionFlags & XVID_ME_EXTSEARCH8 && MotionFlags & XVID_ME_EXTSEARCH_RD) |
2472 : | edgomez | 851 | SquareSearch(Data8->currentMV->x, Data8->currentMV->x, Data8, 255); |
2473 : | chl | 96 | |
2474 : | edgomez | 1107 | if (MotionFlags & XVID_ME_HALFPELREFINE8_RD) |
2475 : | edgomez | 1022 | SubpelRefine(Data8); |
2476 : | chl | 96 | |
2477 : | edgomez | 1053 | if(s > *Data8->iMinSAD) { /* we have found a better match */ |
2478 : | edgomez | 851 | Data8->currentQMV->x = 2*Data8->currentMV->x; |
2479 : | Data8->currentQMV->y = 2*Data8->currentMV->y; | ||
2480 : | } | ||
2481 : | chl | 96 | |
2482 : | edgomez | 851 | Data8->qpel_precision = 1; |
2483 : | get_range(&Data8->min_dx, &Data8->max_dx, &Data8->min_dy, &Data8->max_dy, 2*x + (i&1), 2*y + (i>>1), 8, | ||
2484 : | pParam->width, pParam->height, Data8->iFcode, 1, 0); | ||
2485 : | chl | 96 | |
2486 : | edgomez | 851 | } |
2487 : | edgomez | 1107 | if (MotionFlags & XVID_ME_QUARTERPELREFINE8_RD) SubpelRefine(Data8); |
2488 : | edgomez | 195 | |
2489 : | edgomez | 1053 | } else { /* not qpel */ |
2490 : | edgomez | 851 | |
2491 : | edgomez | 1107 | if (MotionFlags & XVID_ME_EXTSEARCH8 && MotionFlags & XVID_ME_EXTSEARCH_RD) /* extsearch */ |
2492 : | edgomez | 1022 | SquareSearch(Data8->currentMV->x, Data8->currentMV->x, Data8, 255); |
2493 : | |||
2494 : | edgomez | 1107 | if (MotionFlags & XVID_ME_HALFPELREFINE8_RD) |
2495 : | edgomez | 1053 | SubpelRefine(Data8); /* halfpel refinement */ |
2496 : | edgomez | 1022 | } |
2497 : | |||
2498 : | edgomez | 1053 | /* checking vector equal to predicion */ |
2499 : | edgomez | 1107 | if (i != 0 && MotionFlags & XVID_ME_CHECKPREDICTION_RD) { |
2500 : | edgomez | 851 | const VECTOR * v = Data->qpel ? Data8->currentQMV : Data8->currentMV; |
2501 : | edgomez | 1022 | if (!MVequal(*v, Data8->predMV)) |
2502 : | syskin | 1108 | CheckCandidateRD8(Data8->predMV.x, Data8->predMV.y, 255, &iDirection, Data8); |
2503 : | chl | 141 | } |
2504 : | edgomez | 195 | |
2505 : | edgomez | 851 | bits += *Data8->iMinSAD; |
2506 : | edgomez | 1053 | if (bits >= Data->iMinSAD[0]) return bits; /* no chances for INTER4V */ |
2507 : | edgomez | 851 | |
2508 : | edgomez | 1053 | /* MB structures for INTER4V mode; we have to set them here, we don't have predictor anywhere else */ |
2509 : | edgomez | 851 | if(Data->qpel) { |
2510 : | pMB->pmvs[i].x = Data8->currentQMV->x - Data8->predMV.x; | ||
2511 : | pMB->pmvs[i].y = Data8->currentQMV->y - Data8->predMV.y; | ||
2512 : | pMB->qmvs[i] = *Data8->currentQMV; | ||
2513 : | sumx += Data8->currentQMV->x/2; | ||
2514 : | sumy += Data8->currentQMV->y/2; | ||
2515 : | } else { | ||
2516 : | pMB->pmvs[i].x = Data8->currentMV->x - Data8->predMV.x; | ||
2517 : | pMB->pmvs[i].y = Data8->currentMV->y - Data8->predMV.y; | ||
2518 : | sumx += Data8->currentMV->x; | ||
2519 : | sumy += Data8->currentMV->y; | ||
2520 : | chl | 141 | } |
2521 : | edgomez | 851 | pMB->mvs[i] = *Data8->currentMV; |
2522 : | pMB->sad8[i] = 4 * *Data8->iMinSAD; | ||
2523 : | syskin | 1084 | if (Data8->cbp[0]) cbp |= 1 << (5 - i); |
2524 : | chl | 141 | |
2525 : | syskin | 1084 | } /* end - for all luma blocks */ |
2526 : | chl | 141 | |
2527 : | edgomez | 1023 | bits += BITS_MULT*xvid_cbpy_tab[15-(cbp>>2)].len; |
2528 : | chl | 141 | |
2529 : | edgomez | 1053 | /* let's check chroma */ |
2530 : | edgomez | 1022 | sumx = (sumx >> 3) + roundtab_76[sumx & 0xf]; |
2531 : | sumy = (sumy >> 3) + roundtab_76[sumy & 0xf]; | ||
2532 : | chl | 96 | |
2533 : | edgomez | 1053 | /* chroma U */ |
2534 : | edgomez | 1022 | ptr = interpolate8x8_switch2(Data->RefQ + 64, Data->RefP[4], 0, 0, sumx, sumy, Data->iEdgedWidth/2, Data->rounding); |
2535 : | transfer_8to16subro(in, Data->CurU, ptr, Data->iEdgedWidth/2); | ||
2536 : | syskin | 1075 | bits += Block_CalcBits(coeff, in, Data->dctSpace + 128, Data->iQuant, Data->quant_type, &cbp, 4); |
2537 : | edgomez | 1022 | |
2538 : | if (bits >= *Data->iMinSAD) return bits; | ||
2539 : | |||
2540 : | edgomez | 1053 | /* chroma V */ |
2541 : | edgomez | 1022 | ptr = interpolate8x8_switch2(Data->RefQ + 64, Data->RefP[5], 0, 0, sumx, sumy, Data->iEdgedWidth/2, Data->rounding); |
2542 : | transfer_8to16subro(in, Data->CurV, ptr, Data->iEdgedWidth/2); | ||
2543 : | syskin | 1075 | bits += Block_CalcBits(coeff, in, Data->dctSpace + 128, Data->iQuant, Data->quant_type, &cbp, 5); |
2544 : | edgomez | 1022 | |
2545 : | edgomez | 1023 | bits += BITS_MULT*mcbpc_inter_tab[(MODE_INTER4V & 7) | ((cbp & 3) << 3)].len; |
2546 : | edgomez | 1022 | |
2547 : | syskin | 1084 | *Data->cbp = cbp; |
2548 : | edgomez | 851 | return bits; |
2549 : | } | ||
2550 : | chl | 96 | |
2551 : | edgomez | 851 | static int |
2552 : | syskin | 1108 | findRDintra(const SearchData * const Data) |
2553 : | edgomez | 851 | { |
2554 : | edgomez | 1053 | int bits = BITS_MULT*1; /* this one is ac/dc prediction flag bit */ |
2555 : | edgomez | 1023 | int cbp = 0, i, dc = 0; |
2556 : | edgomez | 962 | int16_t *in = Data->dctSpace, * coeff = Data->dctSpace + 64; |
2557 : | edgomez | 195 | |
2558 : | edgomez | 851 | for(i = 0; i < 4; i++) { |
2559 : | int s = 8*((i&1) + (i>>1)*Data->iEdgedWidth); | ||
2560 : | transfer_8to16copy(in, Data->Cur + s, Data->iEdgedWidth); | ||
2561 : | syskin | 1075 | bits += Block_CalcBitsIntra(coeff, in, Data->dctSpace + 128, Data->iQuant, Data->quant_type, &cbp, i, &dc); |
2562 : | chl | 141 | |
2563 : | edgomez | 1022 | if (bits >= Data->iMinSAD[0]) return bits; |
2564 : | edgomez | 851 | } |
2565 : | chl | 181 | |
2566 : | edgomez | 1023 | bits += BITS_MULT*xvid_cbpy_tab[cbp>>2].len; |
2567 : | chl | 96 | |
2568 : | edgomez | 1053 | /*chroma U */ |
2569 : | edgomez | 1022 | transfer_8to16copy(in, Data->CurU, Data->iEdgedWidth/2); |
2570 : | syskin | 1075 | bits += Block_CalcBitsIntra(coeff, in, Data->dctSpace + 128, Data->iQuant, Data->quant_type, &cbp, 4, &dc); |
2571 : | syskin | 1084 | |
2572 : | edgomez | 1022 | if (bits >= Data->iMinSAD[0]) return bits; |
2573 : | |||
2574 : | edgomez | 1053 | /* chroma V */ |
2575 : | edgomez | 1022 | transfer_8to16copy(in, Data->CurV, Data->iEdgedWidth/2); |
2576 : | syskin | 1075 | bits += Block_CalcBitsIntra(coeff, in, Data->dctSpace + 128, Data->iQuant, Data->quant_type, &cbp, 5, &dc); |
2577 : | edgomez | 1022 | |
2578 : | edgomez | 1023 | bits += BITS_MULT*mcbpc_inter_tab[(MODE_INTRA & 7) | ((cbp & 3) << 3)].len; |
2579 : | edgomez | 1022 | |
2580 : | edgomez | 851 | return bits; |
2581 : | chl | 96 | } |
2582 : | chl | 1077 | |
2583 : | syskin | 1084 | static int |
2584 : | syskin | 1108 | findRDgmc(const SearchData * const Data, const IMAGE * const vGMC, const int x, const int y) |
2585 : | syskin | 1084 | { |
2586 : | int bits = BITS_MULT*1; /* this one is mcsel */ | ||
2587 : | int cbp = 0, i; | ||
2588 : | int16_t *in = Data->dctSpace, * coeff = Data->dctSpace + 64; | ||
2589 : | chl | 1077 | |
2590 : | syskin | 1084 | for(i = 0; i < 4; i++) { |
2591 : | int s = 8*((i&1) + (i>>1)*Data->iEdgedWidth); | ||
2592 : | transfer_8to16subro(in, Data->Cur + s, vGMC->y + s + 16*(x+y*Data->iEdgedWidth), Data->iEdgedWidth); | ||
2593 : | bits += Block_CalcBits(coeff, in, Data->dctSpace + 128, Data->iQuant, Data->quant_type, &cbp, i); | ||
2594 : | if (bits >= Data->iMinSAD[0]) return bits; | ||
2595 : | } | ||
2596 : | chl | 1077 | |
2597 : | syskin | 1084 | bits += BITS_MULT*xvid_cbpy_tab[15-(cbp>>2)].len; |
2598 : | chl | 1077 | |
2599 : | syskin | 1084 | /*chroma U */ |
2600 : | transfer_8to16subro(in, Data->CurU, vGMC->u + 8*(x+y*(Data->iEdgedWidth/2)), Data->iEdgedWidth/2); | ||
2601 : | bits += Block_CalcBits(coeff, in, Data->dctSpace + 128, Data->iQuant, Data->quant_type, &cbp, 4); | ||
2602 : | chl | 1077 | |
2603 : | syskin | 1084 | if (bits >= Data->iMinSAD[0]) return bits; |
2604 : | |||
2605 : | /* chroma V */ | ||
2606 : | transfer_8to16subro(in, Data->CurV , vGMC->v + 8*(x+y*(Data->iEdgedWidth/2)), Data->iEdgedWidth/2); | ||
2607 : | bits += Block_CalcBits(coeff, in, Data->dctSpace + 128, Data->iQuant, Data->quant_type, &cbp, 5); | ||
2608 : | |||
2609 : | bits += BITS_MULT*mcbpc_inter_tab[(MODE_INTER & 7) | ((cbp & 3) << 3)].len; | ||
2610 : | |||
2611 : | *Data->cbp = cbp; | ||
2612 : | |||
2613 : | return bits; | ||
2614 : | } | ||
2615 : | |||
2616 : | |||
2617 : | |||
2618 : | |||
2619 : | chl | 1077 | static __inline void |
2620 : | GMEanalyzeMB ( const uint8_t * const pCur, | ||
2621 : | const uint8_t * const pRef, | ||
2622 : | const uint8_t * const pRefH, | ||
2623 : | const uint8_t * const pRefV, | ||
2624 : | const uint8_t * const pRefHV, | ||
2625 : | const int x, | ||
2626 : | const int y, | ||
2627 : | const MBParam * const pParam, | ||
2628 : | MACROBLOCK * const pMBs, | ||
2629 : | SearchData * const Data) | ||
2630 : | { | ||
2631 : | |||
2632 : | int i=0; | ||
2633 : | MACROBLOCK * const pMB = &pMBs[x + y * pParam->mb_width]; | ||
2634 : | |||
2635 : | Data->iMinSAD[0] = MV_MAX_ERROR; | ||
2636 : | |||
2637 : | syskin | 1084 | Data->predMV = get_pmv2(pMBs, pParam->mb_width, 0, x, y, 0); |
2638 : | chl | 1077 | |
2639 : | get_range(&Data->min_dx, &Data->max_dx, &Data->min_dy, &Data->max_dy, x, y, 16, | ||
2640 : | syskin | 1084 | pParam->width, pParam->height, 16, 0, 0); |
2641 : | chl | 1077 | |
2642 : | Data->Cur = pCur + 16*(x + y * pParam->edged_width); | ||
2643 : | Data->RefP[0] = pRef + 16*(x + y * pParam->edged_width); | ||
2644 : | Data->RefP[1] = pRefV + 16*(x + y * pParam->edged_width); | ||
2645 : | Data->RefP[2] = pRefH + 16*(x + y * pParam->edged_width); | ||
2646 : | Data->RefP[3] = pRefHV + 16*(x + y * pParam->edged_width); | ||
2647 : | |||
2648 : | Data->currentMV[0].x = Data->currentMV[0].y = 0; | ||
2649 : | CheckCandidate16I(0, 0, 255, &i, Data); | ||
2650 : | |||
2651 : | if ( (Data->predMV.x !=0) || (Data->predMV.y != 0) ) | ||
2652 : | CheckCandidate16I(Data->predMV.x, Data->predMV.y, 255, &i, Data); | ||
2653 : | |||
2654 : | syskin | 1084 | AdvDiamondSearch(Data->currentMV[0].x, Data->currentMV[0].y, Data, 255); |
2655 : | chl | 1077 | |
2656 : | syskin | 1084 | SubpelRefine(Data); |
2657 : | |||
2658 : | |||
2659 : | chl | 1077 | /* for QPel halfpel positions are worse than in halfpel mode :( */ |
2660 : | /* if (Data->qpel) { | ||
2661 : | Data->currentQMV->x = 2*Data->currentMV->x; | ||
2662 : | Data->currentQMV->y = 2*Data->currentMV->y; | ||
2663 : | Data->qpel_precision = 1; | ||
2664 : | get_range(&Data->min_dx, &Data->max_dx, &Data->min_dy, &Data->max_dy, x, y, 16, | ||
2665 : | pParam->width, pParam->height, iFcode, 1, 0); | ||
2666 : | SubpelRefine(Data); | ||
2667 : | } | ||
2668 : | */ | ||
2669 : | |||
2670 : | pMB->mvs[0] = pMB->mvs[1] = pMB->mvs[2] = pMB->mvs[3] = Data->currentMV[0]; | ||
2671 : | pMB->sad16 = Data->iMinSAD[0]; | ||
2672 : | syskin | 1084 | pMB->mode = MODE_INTER; |
2673 : | pMB->sad16 += 10*d_mv_bits(pMB->mvs[0].x, pMB->mvs[0].y, Data->predMV, Data->iFcode, 0, 0); | ||
2674 : | chl | 1077 | return; |
2675 : | } | ||
2676 : | |||
2677 : | void | ||
2678 : | GMEanalysis(const MBParam * const pParam, | ||
2679 : | const FRAMEINFO * const current, | ||
2680 : | const FRAMEINFO * const reference, | ||
2681 : | const IMAGE * const pRefH, | ||
2682 : | const IMAGE * const pRefV, | ||
2683 : | const IMAGE * const pRefHV) | ||
2684 : | { | ||
2685 : | uint32_t x, y; | ||
2686 : | MACROBLOCK * const pMBs = current->mbs; | ||
2687 : | const IMAGE * const pCurrent = ¤t->image; | ||
2688 : | const IMAGE * const pReference = &reference->image; | ||
2689 : | |||
2690 : | int32_t iMinSAD[5], temp[5]; | ||
2691 : | VECTOR currentMV[5]; | ||
2692 : | SearchData Data; | ||
2693 : | memset(&Data, 0, sizeof(SearchData)); | ||
2694 : | syskin | 1084 | |
2695 : | chl | 1077 | Data.iEdgedWidth = pParam->edged_width; |
2696 : | Data.rounding = pParam->m_rounding_type; | ||
2697 : | syskin | 1084 | |
2698 : | chl | 1077 | Data.currentMV = ¤tMV[0]; |
2699 : | Data.iMinSAD = &iMinSAD[0]; | ||
2700 : | Data.iFcode = current->fcode; | ||
2701 : | Data.temp = temp; | ||
2702 : | |||
2703 : | CheckCandidate = CheckCandidate16I; | ||
2704 : | syskin | 1084 | |
2705 : | chl | 1077 | if (sadInit) (*sadInit) (); |
2706 : | |||
2707 : | for (y = 0; y < pParam->mb_height; y ++) { | ||
2708 : | for (x = 0; x < pParam->mb_width; x ++) { | ||
2709 : | |||
2710 : | GMEanalyzeMB(pCurrent->y, pReference->y, pRefH->y, pRefV->y, pRefHV->y, x, y, pParam, pMBs, &Data); | ||
2711 : | } | ||
2712 : | } | ||
2713 : | return; | ||
2714 : | } | ||
2715 : | |||
2716 : | |||
2717 : | WARPPOINTS | ||
2718 : | GlobalMotionEst(MACROBLOCK * const pMBs, | ||
2719 : | const MBParam * const pParam, | ||
2720 : | const FRAMEINFO * const current, | ||
2721 : | const FRAMEINFO * const reference, | ||
2722 : | const IMAGE * const pRefH, | ||
2723 : | const IMAGE * const pRefV, | ||
2724 : | const IMAGE * const pRefHV) | ||
2725 : | { | ||
2726 : | |||
2727 : | syskin | 1084 | const int deltax=8; // upper bound for difference between a MV and it's neighbour MVs |
2728 : | const int deltay=8; | ||
2729 : | chl | 1077 | const unsigned int gradx=512; // lower bound for gradient in MB (ignore "flat" blocks) |
2730 : | syskin | 1084 | const unsigned int grady=512; |
2731 : | chl | 1077 | |
2732 : | double sol[4] = { 0., 0., 0., 0. }; | ||
2733 : | syskin | 1084 | |
2734 : | chl | 1077 | WARPPOINTS gmc; |
2735 : | |||
2736 : | uint32_t mx, my; | ||
2737 : | |||
2738 : | int MBh = pParam->mb_height; | ||
2739 : | int MBw = pParam->mb_width; | ||
2740 : | const int minblocks = 9; //MBh*MBw/32+3; /* just some reasonable number 3% + 3 */ | ||
2741 : | const int maxblocks = MBh*MBw/4; /* just some reasonable number 3% + 3 */ | ||
2742 : | |||
2743 : | int num=0; | ||
2744 : | int oldnum; | ||
2745 : | |||
2746 : | gmc.duv[0].x = gmc.duv[0].y = gmc.duv[1].x = gmc.duv[1].y = gmc.duv[2].x = gmc.duv[2].y = 0; | ||
2747 : | |||
2748 : | GMEanalysis(pParam,current, reference, pRefH, pRefV, pRefHV); | ||
2749 : | |||
2750 : | /* block based ME isn't done, yet, so do a quick presearch */ | ||
2751 : | |||
2752 : | // filter mask of all blocks | ||
2753 : | |||
2754 : | for (my = 0; my < (uint32_t)MBh; my++) | ||
2755 : | for (mx = 0; mx < (uint32_t)MBw; mx++) | ||
2756 : | { | ||
2757 : | const int mbnum = mx + my * MBw; | ||
2758 : | pMBs[mbnum].mcsel = 0; | ||
2759 : | } | ||
2760 : | syskin | 1084 | |
2761 : | |||
2762 : | for (my = 1; my < (uint32_t)MBh-1; my++) /* ignore boundary blocks */ | ||
2763 : | chl | 1077 | for (mx = 1; mx < (uint32_t)MBw-1; mx++) /* theirs MVs are often wrong */ |
2764 : | { | ||
2765 : | const int mbnum = mx + my * MBw; | ||
2766 : | MACROBLOCK *const pMB = &pMBs[mbnum]; | ||
2767 : | const VECTOR mv = pMB->mvs[0]; | ||
2768 : | |||
2769 : | /* don't use object boundaries */ | ||
2770 : | syskin | 1084 | if ( (abs(mv.x - (pMB-1)->mvs[0].x) < deltax) |
2771 : | chl | 1077 | && (abs(mv.y - (pMB-1)->mvs[0].y) < deltay) |
2772 : | syskin | 1084 | && (abs(mv.x - (pMB+1)->mvs[0].x) < deltax) |
2773 : | chl | 1077 | && (abs(mv.y - (pMB+1)->mvs[0].y) < deltay) |
2774 : | syskin | 1084 | && (abs(mv.x - (pMB-MBw)->mvs[0].x) < deltax) |
2775 : | chl | 1077 | && (abs(mv.y - (pMB-MBw)->mvs[0].y) < deltay) |
2776 : | syskin | 1084 | && (abs(mv.x - (pMB+MBw)->mvs[0].x) < deltax) |
2777 : | chl | 1077 | && (abs(mv.y - (pMB+MBw)->mvs[0].y) < deltay) ) |
2778 : | { const int iEdgedWidth = pParam->edged_width; | ||
2779 : | const uint8_t *const pCur = current->image.y + 16*(my*iEdgedWidth + mx); | ||
2780 : | if ( (sad16 ( pCur, pCur+1 , iEdgedWidth, 65536) >= gradx ) | ||
2781 : | && (sad16 ( pCur, pCur+iEdgedWidth, iEdgedWidth, 65536) >= grady ) ) | ||
2782 : | syskin | 1084 | { pMB->mcsel = 1; |
2783 : | chl | 1077 | num++; |
2784 : | } | ||
2785 : | |||
2786 : | /* only use "structured" blocks */ | ||
2787 : | } | ||
2788 : | } | ||
2789 : | emms(); | ||
2790 : | |||
2791 : | syskin | 1084 | /* further filtering would be possible, but during iteration, remaining |
2792 : | chl | 1077 | outliers usually are removed, too */ |
2793 : | |||
2794 : | if (num>= minblocks) | ||
2795 : | do { /* until convergence */ | ||
2796 : | double DtimesF[4]; | ||
2797 : | double a,b,c,n,invdenom; | ||
2798 : | double meanx,meany; | ||
2799 : | |||
2800 : | a = b = c = n = 0; | ||
2801 : | DtimesF[0] = DtimesF[1] = DtimesF[2] = DtimesF[3] = 0.; | ||
2802 : | for (my = 1; my < (uint32_t)MBh-1; my++) | ||
2803 : | for (mx = 1; mx < (uint32_t)MBw-1; mx++) | ||
2804 : | { | ||
2805 : | const int mbnum = mx + my * MBw; | ||
2806 : | const VECTOR mv = pMBs[mbnum].mvs[0]; | ||
2807 : | |||
2808 : | if (!pMBs[mbnum].mcsel) | ||
2809 : | continue; | ||
2810 : | |||
2811 : | n++; | ||
2812 : | a += 16*mx+8; | ||
2813 : | b += 16*my+8; | ||
2814 : | c += (16*mx+8)*(16*mx+8)+(16*my+8)*(16*my+8); | ||
2815 : | |||
2816 : | DtimesF[0] += (double)mv.x; | ||
2817 : | DtimesF[1] += (double)mv.x*(16*mx+8) + (double)mv.y*(16*my+8); | ||
2818 : | DtimesF[2] += (double)mv.x*(16*my+8) - (double)mv.y*(16*mx+8); | ||
2819 : | DtimesF[3] += (double)mv.y; | ||
2820 : | } | ||
2821 : | syskin | 1084 | |
2822 : | chl | 1077 | invdenom = a*a+b*b-c*n; |
2823 : | |||
2824 : | /* Solve the system: sol = (D'*E*D)^{-1} D'*E*F */ | ||
2825 : | /* D'*E*F has been calculated in the same loop as matrix */ | ||
2826 : | |||
2827 : | sol[0] = -c*DtimesF[0] + a*DtimesF[1] + b*DtimesF[2]; | ||
2828 : | sol[1] = a*DtimesF[0] - n*DtimesF[1] + b*DtimesF[3]; | ||
2829 : | sol[2] = b*DtimesF[0] - n*DtimesF[2] - a*DtimesF[3]; | ||
2830 : | sol[3] = b*DtimesF[1] - a*DtimesF[2] - c*DtimesF[3]; | ||
2831 : | |||
2832 : | sol[0] /= invdenom; | ||
2833 : | sol[1] /= invdenom; | ||
2834 : | sol[2] /= invdenom; | ||
2835 : | sol[3] /= invdenom; | ||
2836 : | |||
2837 : | meanx = meany = 0.; | ||
2838 : | oldnum = 0; | ||
2839 : | for (my = 1; my < (uint32_t)MBh-1; my++) | ||
2840 : | for (mx = 1; mx < (uint32_t)MBw-1; mx++) | ||
2841 : | { | ||
2842 : | const int mbnum = mx + my * MBw; | ||
2843 : | const VECTOR mv = pMBs[mbnum].mvs[0]; | ||
2844 : | |||
2845 : | if (!pMBs[mbnum].mcsel) | ||
2846 : | continue; | ||
2847 : | |||
2848 : | oldnum++; | ||
2849 : | meanx += fabs(( sol[0] + (16*mx+8)*sol[1] + (16*my+8)*sol[2] ) - (double)mv.x ); | ||
2850 : | meany += fabs(( sol[3] - (16*mx+8)*sol[2] + (16*my+8)*sol[1] ) - (double)mv.y ); | ||
2851 : | } | ||
2852 : | |||
2853 : | if (4*meanx > oldnum) /* better fit than 0.25 (=1/4pel) is useless */ | ||
2854 : | meanx /= oldnum; | ||
2855 : | else | ||
2856 : | meanx = 0.25; | ||
2857 : | |||
2858 : | if (4*meany > oldnum) | ||
2859 : | meany /= oldnum; | ||
2860 : | else | ||
2861 : | meany = 0.25; | ||
2862 : | |||
2863 : | num = 0; | ||
2864 : | for (my = 0; my < (uint32_t)MBh; my++) | ||
2865 : | for (mx = 0; mx < (uint32_t)MBw; mx++) | ||
2866 : | { | ||
2867 : | const int mbnum = mx + my * MBw; | ||
2868 : | const VECTOR mv = pMBs[mbnum].mvs[0]; | ||
2869 : | |||
2870 : | if (!pMBs[mbnum].mcsel) | ||
2871 : | continue; | ||
2872 : | |||
2873 : | if ( ( fabs(( sol[0] + (16*mx+8)*sol[1] + (16*my+8)*sol[2] ) - (double)mv.x ) > meanx ) | ||
2874 : | || ( fabs(( sol[3] - (16*mx+8)*sol[2] + (16*my+8)*sol[1] ) - (double)mv.y ) > meany ) ) | ||
2875 : | pMBs[mbnum].mcsel=0; | ||
2876 : | else | ||
2877 : | num++; | ||
2878 : | } | ||
2879 : | |||
2880 : | } while ( (oldnum != num) && (num>= minblocks) ); | ||
2881 : | |||
2882 : | if (num < minblocks) | ||
2883 : | { | ||
2884 : | const int iEdgedWidth = pParam->edged_width; | ||
2885 : | num = 0; | ||
2886 : | |||
2887 : | /* fprintf(stderr,"Warning! Unreliable GME (%d/%d blocks), falling back to translation.\n",num,MBh*MBw); | ||
2888 : | syskin | 1084 | */ |
2889 : | chl | 1077 | gmc.duv[0].x= gmc.duv[0].y= gmc.duv[1].x= gmc.duv[1].y= gmc.duv[2].x= gmc.duv[2].y=0; |
2890 : | |||
2891 : | edgomez | 1107 | if (!(current->motion_flags & XVID_ME_GME_REFINE)) |
2892 : | chl | 1077 | return gmc; |
2893 : | syskin | 1084 | |
2894 : | for (my = 1; my < (uint32_t)MBh-1; my++) /* ignore boundary blocks */ | ||
2895 : | chl | 1077 | for (mx = 1; mx < (uint32_t)MBw-1; mx++) /* theirs MVs are often wrong */ |
2896 : | { | ||
2897 : | const int mbnum = mx + my * MBw; | ||
2898 : | MACROBLOCK *const pMB = &pMBs[mbnum]; | ||
2899 : | const uint8_t *const pCur = current->image.y + 16*(my*iEdgedWidth + mx); | ||
2900 : | if ( (sad16 ( pCur, pCur+1 , iEdgedWidth, 65536) >= gradx ) | ||
2901 : | && (sad16 ( pCur, pCur+iEdgedWidth, iEdgedWidth, 65536) >= grady ) ) | ||
2902 : | syskin | 1084 | { pMB->mcsel = 1; |
2903 : | chl | 1077 | gmc.duv[0].x += pMB->mvs[0].x; |
2904 : | gmc.duv[0].y += pMB->mvs[0].y; | ||
2905 : | num++; | ||
2906 : | } | ||
2907 : | } | ||
2908 : | syskin | 1084 | |
2909 : | chl | 1077 | if (gmc.duv[0].x) |
2910 : | gmc.duv[0].x /= num; | ||
2911 : | syskin | 1084 | if (gmc.duv[0].y) |
2912 : | chl | 1077 | gmc.duv[0].y /= num; |
2913 : | } else { | ||
2914 : | |||
2915 : | gmc.duv[0].x=(int)(sol[0]+0.5); | ||
2916 : | gmc.duv[0].y=(int)(sol[3]+0.5); | ||
2917 : | |||
2918 : | gmc.duv[1].x=(int)(sol[1]*pParam->width+0.5); | ||
2919 : | gmc.duv[1].y=(int)(-sol[2]*pParam->width+0.5); | ||
2920 : | |||
2921 : | gmc.duv[2].x=-gmc.duv[1].y; /* two warp points only */ | ||
2922 : | gmc.duv[2].y=gmc.duv[1].x; | ||
2923 : | } | ||
2924 : | if (num>maxblocks) | ||
2925 : | { for (my = 1; my < (uint32_t)MBh-1; my++) | ||
2926 : | for (mx = 1; mx < (uint32_t)MBw-1; mx++) | ||
2927 : | { | ||
2928 : | const int mbnum = mx + my * MBw; | ||
2929 : | if (pMBs[mbnum-1].mcsel) | ||
2930 : | pMBs[mbnum].mcsel=0; | ||
2931 : | syskin | 1084 | else |
2932 : | chl | 1077 | if (pMBs[mbnum-MBw].mcsel) |
2933 : | pMBs[mbnum].mcsel=0; | ||
2934 : | } | ||
2935 : | } | ||
2936 : | return gmc; | ||
2937 : | } | ||
2938 : | |||
2939 : | int | ||
2940 : | GlobalMotionEstRefine( | ||
2941 : | WARPPOINTS *const startwp, | ||
2942 : | MACROBLOCK * const pMBs, | ||
2943 : | const MBParam * const pParam, | ||
2944 : | const FRAMEINFO * const current, | ||
2945 : | const FRAMEINFO * const reference, | ||
2946 : | const IMAGE * const pCurr, | ||
2947 : | const IMAGE * const pRef, | ||
2948 : | const IMAGE * const pRefH, | ||
2949 : | const IMAGE * const pRefV, | ||
2950 : | const IMAGE * const pRefHV) | ||
2951 : | { | ||
2952 : | uint8_t* GMCblock = (uint8_t*)malloc(16*pParam->edged_width); | ||
2953 : | WARPPOINTS bestwp=*startwp; | ||
2954 : | WARPPOINTS centerwp,currwp; | ||
2955 : | int gmcminSAD=0; | ||
2956 : | int gmcSAD=0; | ||
2957 : | int direction; | ||
2958 : | // int mx,my; | ||
2959 : | |||
2960 : | /* use many blocks... */ | ||
2961 : | /* for (my = 0; my < (uint32_t)pParam->mb_height; my++) | ||
2962 : | for (mx = 0; mx < (uint32_t)pParam->mb_width; mx++) | ||
2963 : | { | ||
2964 : | const int mbnum = mx + my * pParam->mb_width; | ||
2965 : | syskin | 1084 | pMBs[mbnum].mcsel=1; |
2966 : | chl | 1077 | } |
2967 : | */ | ||
2968 : | |||
2969 : | /* or rather don't use too many blocks... */ | ||
2970 : | /* | ||
2971 : | for (my = 1; my < (uint32_t)MBh-1; my++) | ||
2972 : | for (mx = 1; mx < (uint32_t)MBw-1; mx++) | ||
2973 : | { | ||
2974 : | const int mbnum = mx + my * MBw; | ||
2975 : | if (MBmask[mbnum-1]) | ||
2976 : | MBmask[mbnum-1]=0; | ||
2977 : | syskin | 1084 | else |
2978 : | chl | 1077 | if (MBmask[mbnum-MBw]) |
2979 : | MBmask[mbnum-1]=0; | ||
2980 : | syskin | 1084 | |
2981 : | chl | 1077 | } |
2982 : | */ | ||
2983 : | gmcminSAD = globalSAD(&bestwp, pParam, pMBs, current, pRef, pCurr, GMCblock); | ||
2984 : | |||
2985 : | syskin | 1084 | if ( (reference->coding_type == S_VOP) |
2986 : | && ( (reference->warp.duv[1].x != bestwp.duv[1].x) | ||
2987 : | || (reference->warp.duv[1].y != bestwp.duv[1].y) | ||
2988 : | || (reference->warp.duv[0].x != bestwp.duv[0].x) | ||
2989 : | || (reference->warp.duv[0].y != bestwp.duv[0].y) | ||
2990 : | || (reference->warp.duv[2].x != bestwp.duv[2].x) | ||
2991 : | || (reference->warp.duv[2].y != bestwp.duv[2].y) ) ) | ||
2992 : | chl | 1077 | { |
2993 : | syskin | 1084 | gmcSAD = globalSAD(&reference->warp, pParam, pMBs, |
2994 : | chl | 1077 | current, pRef, pCurr, GMCblock); |
2995 : | syskin | 1084 | |
2996 : | chl | 1077 | if (gmcSAD < gmcminSAD) |
2997 : | { bestwp = reference->warp; | ||
2998 : | gmcminSAD = gmcSAD; | ||
2999 : | } | ||
3000 : | } | ||
3001 : | |||
3002 : | do { | ||
3003 : | direction = 0; | ||
3004 : | centerwp = bestwp; | ||
3005 : | |||
3006 : | syskin | 1084 | currwp = centerwp; |
3007 : | |||
3008 : | chl | 1077 | currwp.duv[0].x--; |
3009 : | gmcSAD = globalSAD(&currwp, pParam, pMBs, current, pRef, pCurr, GMCblock); | ||
3010 : | if (gmcSAD < gmcminSAD) | ||
3011 : | { bestwp = currwp; | ||
3012 : | gmcminSAD = gmcSAD; | ||
3013 : | syskin | 1084 | direction = 1; |
3014 : | chl | 1077 | } |
3015 : | syskin | 1084 | else |
3016 : | { | ||
3017 : | chl | 1077 | currwp = centerwp; currwp.duv[0].x++; |
3018 : | gmcSAD = globalSAD(&currwp, pParam, pMBs, current, pRef, pCurr, GMCblock); | ||
3019 : | if (gmcSAD < gmcminSAD) | ||
3020 : | { bestwp = currwp; | ||
3021 : | gmcminSAD = gmcSAD; | ||
3022 : | syskin | 1084 | direction = 2; |
3023 : | chl | 1077 | } |
3024 : | } | ||
3025 : | if (direction) continue; | ||
3026 : | |||
3027 : | currwp = centerwp; currwp.duv[0].y--; | ||
3028 : | gmcSAD = globalSAD(&currwp, pParam, pMBs, current, pRef, pCurr, GMCblock); | ||
3029 : | if (gmcSAD < gmcminSAD) | ||
3030 : | { bestwp = currwp; | ||
3031 : | gmcminSAD = gmcSAD; | ||
3032 : | syskin | 1084 | direction = 4; |
3033 : | } | ||
3034 : | else | ||
3035 : | chl | 1077 | { |
3036 : | currwp = centerwp; currwp.duv[0].y++; | ||
3037 : | gmcSAD = globalSAD(&currwp, pParam, pMBs, current, pRef, pCurr, GMCblock); | ||
3038 : | if (gmcSAD < gmcminSAD) | ||
3039 : | { bestwp = currwp; | ||
3040 : | gmcminSAD = gmcSAD; | ||
3041 : | syskin | 1084 | direction = 8; |
3042 : | chl | 1077 | } |
3043 : | syskin | 1084 | } |
3044 : | chl | 1077 | if (direction) continue; |
3045 : | syskin | 1084 | |
3046 : | chl | 1077 | currwp = centerwp; currwp.duv[1].x++; |
3047 : | gmcSAD = globalSAD(&currwp, pParam, pMBs, current, pRef, pCurr, GMCblock); | ||
3048 : | if (gmcSAD < gmcminSAD) | ||
3049 : | { bestwp = currwp; | ||
3050 : | gmcminSAD = gmcSAD; | ||
3051 : | syskin | 1084 | direction = 32; |
3052 : | } | ||
3053 : | chl | 1077 | currwp.duv[2].y++; |
3054 : | gmcSAD = globalSAD(&currwp, pParam, pMBs, current, pRef, pCurr, GMCblock); | ||
3055 : | if (gmcSAD < gmcminSAD) | ||
3056 : | { bestwp = currwp; | ||
3057 : | gmcminSAD = gmcSAD; | ||
3058 : | syskin | 1084 | direction = 1024; |
3059 : | } | ||
3060 : | chl | 1077 | |
3061 : | currwp = centerwp; currwp.duv[1].x--; | ||
3062 : | gmcSAD = globalSAD(&currwp, pParam, pMBs, current, pRef, pCurr, GMCblock); | ||
3063 : | if (gmcSAD < gmcminSAD) | ||
3064 : | { bestwp = currwp; | ||
3065 : | gmcminSAD = gmcSAD; | ||
3066 : | syskin | 1084 | direction = 16; |
3067 : | } | ||
3068 : | else | ||
3069 : | chl | 1077 | { |
3070 : | currwp = centerwp; currwp.duv[1].x++; | ||
3071 : | gmcSAD = globalSAD(&currwp, pParam, pMBs, current, pRef, pCurr, GMCblock); | ||
3072 : | if (gmcSAD < gmcminSAD) | ||
3073 : | { bestwp = currwp; | ||
3074 : | gmcminSAD = gmcSAD; | ||
3075 : | syskin | 1084 | direction = 32; |
3076 : | chl | 1077 | } |
3077 : | syskin | 1084 | } |
3078 : | chl | 1077 | if (direction) continue; |
3079 : | |||
3080 : | |||
3081 : | currwp = centerwp; currwp.duv[1].y--; | ||
3082 : | gmcSAD = globalSAD(&currwp, pParam, pMBs, current, pRef, pCurr, GMCblock); | ||
3083 : | if (gmcSAD < gmcminSAD) | ||
3084 : | { bestwp = currwp; | ||
3085 : | gmcminSAD = gmcSAD; | ||
3086 : | syskin | 1084 | direction = 64; |
3087 : | } | ||
3088 : | else | ||
3089 : | chl | 1077 | { |
3090 : | currwp = centerwp; currwp.duv[1].y++; | ||
3091 : | gmcSAD = globalSAD(&currwp, pParam, pMBs, current, pRef, pCurr, GMCblock); | ||
3092 : | if (gmcSAD < gmcminSAD) | ||
3093 : | { bestwp = currwp; | ||
3094 : | gmcminSAD = gmcSAD; | ||
3095 : | syskin | 1084 | direction = 128; |
3096 : | chl | 1077 | } |
3097 : | } | ||
3098 : | if (direction) continue; | ||
3099 : | syskin | 1084 | |
3100 : | chl | 1077 | currwp = centerwp; currwp.duv[2].x--; |
3101 : | gmcSAD = globalSAD(&currwp, pParam, pMBs, current, pRef, pCurr, GMCblock); | ||
3102 : | if (gmcSAD < gmcminSAD) | ||
3103 : | { bestwp = currwp; | ||
3104 : | gmcminSAD = gmcSAD; | ||
3105 : | syskin | 1084 | direction = 256; |
3106 : | } | ||
3107 : | else | ||
3108 : | chl | 1077 | { |
3109 : | currwp = centerwp; currwp.duv[2].x++; | ||
3110 : | gmcSAD = globalSAD(&currwp, pParam, pMBs, current, pRef, pCurr, GMCblock); | ||
3111 : | if (gmcSAD < gmcminSAD) | ||
3112 : | { bestwp = currwp; | ||
3113 : | gmcminSAD = gmcSAD; | ||
3114 : | syskin | 1084 | direction = 512; |
3115 : | chl | 1077 | } |
3116 : | } | ||
3117 : | if (direction) continue; | ||
3118 : | syskin | 1084 | |
3119 : | chl | 1077 | currwp = centerwp; currwp.duv[2].y--; |
3120 : | gmcSAD = globalSAD(&currwp, pParam, pMBs, current, pRef, pCurr, GMCblock); | ||
3121 : | if (gmcSAD < gmcminSAD) | ||
3122 : | { bestwp = currwp; | ||
3123 : | gmcminSAD = gmcSAD; | ||
3124 : | syskin | 1084 | direction = 1024; |
3125 : | } | ||
3126 : | chl | 1077 | else |
3127 : | syskin | 1084 | { |
3128 : | chl | 1077 | currwp = centerwp; currwp.duv[2].y++; |
3129 : | gmcSAD = globalSAD(&currwp, pParam, pMBs, current, pRef, pCurr, GMCblock); | ||
3130 : | if (gmcSAD < gmcminSAD) | ||
3131 : | { bestwp = currwp; | ||
3132 : | gmcminSAD = gmcSAD; | ||
3133 : | syskin | 1084 | direction = 2048; |
3134 : | chl | 1077 | } |
3135 : | } | ||
3136 : | } while (direction); | ||
3137 : | free(GMCblock); | ||
3138 : | syskin | 1084 | |
3139 : | chl | 1077 | *startwp = bestwp; |
3140 : | |||
3141 : | return gmcminSAD; | ||
3142 : | } | ||
3143 : | |||
3144 : | int | ||
3145 : | syskin | 1084 | globalSAD(const WARPPOINTS *const wp, |
3146 : | const MBParam * const pParam, | ||
3147 : | chl | 1077 | const MACROBLOCK * const pMBs, |
3148 : | const FRAMEINFO * const current, | ||
3149 : | const IMAGE * const pRef, | ||
3150 : | const IMAGE * const pCurr, | ||
3151 : | uint8_t *const GMCblock) | ||
3152 : | { | ||
3153 : | NEW_GMC_DATA gmc_data; | ||
3154 : | int iSAD, gmcSAD=0; | ||
3155 : | int num=0; | ||
3156 : | unsigned int mx, my; | ||
3157 : | syskin | 1084 | |
3158 : | chl | 1077 | generate_GMCparameters( 3, 3, wp, pParam->width, pParam->height, &gmc_data); |
3159 : | syskin | 1084 | |
3160 : | chl | 1077 | for (my = 0; my < (uint32_t)pParam->mb_height; my++) |
3161 : | for (mx = 0; mx < (uint32_t)pParam->mb_width; mx++) { | ||
3162 : | |||
3163 : | const int mbnum = mx + my * pParam->mb_width; | ||
3164 : | const int iEdgedWidth = pParam->edged_width; | ||
3165 : | syskin | 1084 | |
3166 : | chl | 1077 | if (!pMBs[mbnum].mcsel) |
3167 : | continue; | ||
3168 : | syskin | 1084 | |
3169 : | gmc_data.predict_16x16(&gmc_data, GMCblock, | ||
3170 : | chl | 1077 | pRef->y, |
3171 : | syskin | 1084 | iEdgedWidth, |
3172 : | iEdgedWidth, | ||
3173 : | mx, my, | ||
3174 : | chl | 1077 | pParam->m_rounding_type); |
3175 : | |||
3176 : | iSAD = sad16 ( pCurr->y + 16*(my*iEdgedWidth + mx), | ||
3177 : | syskin | 1084 | GMCblock , iEdgedWidth, 65536); |
3178 : | chl | 1077 | iSAD -= pMBs[mbnum].sad16; |
3179 : | syskin | 1084 | |
3180 : | if (iSAD<0) | ||
3181 : | chl | 1077 | gmcSAD += iSAD; |
3182 : | num++; | ||
3183 : | } | ||
3184 : | return gmcSAD; | ||
3185 : | } | ||
3186 : |
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