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Revision 1.44.2.33 - (view) (download)
1 : | Isibaar | 1.1 | /************************************************************************** |
2 : | * | ||
3 : | chl | 1.26 | * XVID MPEG-4 VIDEO CODEC |
4 : | * motion estimation | ||
5 : | * | ||
6 : | * This program is an implementation of a part of one or more MPEG-4 | ||
7 : | * Video tools as specified in ISO/IEC 14496-2 standard. Those intending | ||
8 : | * to use this software module in hardware or software products are | ||
9 : | * advised that its use may infringe existing patents or copyrights, and | ||
10 : | * any such use would be at such party's own risk. The original | ||
11 : | * developer of this software module and his/her company, and subsequent | ||
12 : | * editors and their companies, will have no liability for use of this | ||
13 : | * software or modifications or derivatives thereof. | ||
14 : | * | ||
15 : | * This program is free software; you can redistribute it and/or modify | ||
16 : | * it under the terms of the GNU General Public License as published by | ||
17 : | * the Free Software Foundation; either version 2 of the License, or | ||
18 : | * (at your option) any later version. | ||
19 : | * | ||
20 : | * This program is distributed in the hope that it will be useful, | ||
21 : | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
22 : | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
23 : | * GNU General Public License for more details. | ||
24 : | * | ||
25 : | * You should have received a copy of the GNU General Public License | ||
26 : | * along with this program; if not, write to the Free Software | ||
27 : | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | ||
28 : | * | ||
29 : | *************************************************************************/ | ||
30 : | |||
31 : | Isibaar | 1.1 | #include <assert.h> |
32 : | #include <stdio.h> | ||
33 : | chl | 1.3 | #include <stdlib.h> |
34 : | Isibaar | 1.1 | |
35 : | #include "../encoder.h" | ||
36 : | #include "../utils/mbfunctions.h" | ||
37 : | #include "../prediction/mbprediction.h" | ||
38 : | #include "../global.h" | ||
39 : | #include "../utils/timer.h" | ||
40 : | Isibaar | 1.44.2.7 | #include "../image/interpolate8x8.h" |
41 : | chl | 1.44.2.1 | #include "motion_est.h" |
42 : | suxen_drol | 1.6 | #include "motion.h" |
43 : | Isibaar | 1.1 | #include "sad.h" |
44 : | Isibaar | 1.44.2.2 | #include "../utils/emms.h" |
45 : | Isibaar | 1.1 | |
46 : | chl | 1.44.2.1 | #define INITIAL_SKIP_THRESH (10) |
47 : | #define FINAL_SKIP_THRESH (50) | ||
48 : | #define MAX_SAD00_FOR_SKIP (20) | ||
49 : | Isibaar | 1.44.2.2 | #define MAX_CHROMA_SAD_FOR_SKIP (22) |
50 : | syskin | 1.44.2.28 | #define SKIP_THRESH_B (25) |
51 : | chl | 1.44.2.1 | |
52 : | #define CHECK_CANDIDATE(X,Y,D) { \ | ||
53 : | (*CheckCandidate)((const int)(X),(const int)(Y), (D), &iDirection, data ); } | ||
54 : | edgomez | 1.20 | |
55 : | chl | 1.44.2.1 | #define iDiamondSize 2 |
56 : | edgomez | 1.20 | |
57 : | suxen_drol | 1.44.2.29 | static VECTOR |
58 : | GlobalMotionEst(const MACROBLOCK * const pMBs, | ||
59 : | const MBParam * const pParam, const uint32_t iFcode); | ||
60 : | |||
61 : | |||
62 : | chl | 1.44.2.1 | static __inline int |
63 : | d_mv_bits(int x, int y, const uint32_t iFcode) | ||
64 : | { | ||
65 : | int xb, yb; | ||
66 : | |||
67 : | if (x == 0) xb = 1; | ||
68 : | else { | ||
69 : | if (x < 0) x = -x; | ||
70 : | x += (1 << (iFcode - 1)) - 1; | ||
71 : | x >>= (iFcode - 1); | ||
72 : | if (x > 32) x = 32; | ||
73 : | xb = mvtab[x] + iFcode; | ||
74 : | } | ||
75 : | |||
76 : | if (y == 0) yb = 1; | ||
77 : | else { | ||
78 : | if (y < 0) y = -y; | ||
79 : | y += (1 << (iFcode - 1)) - 1; | ||
80 : | y >>= (iFcode - 1); | ||
81 : | if (y > 32) y = 32; | ||
82 : | yb = mvtab[y] + iFcode; | ||
83 : | } | ||
84 : | return xb + yb; | ||
85 : | } | ||
86 : | |||
87 : | syskin | 1.44.2.14 | static int32_t |
88 : | ChromaSAD(int dx, int dy, const SearchData * const data) | ||
89 : | chl | 1.44.2.1 | { |
90 : | syskin | 1.44.2.14 | int sad; |
91 : | dx = (dx >> 1) + roundtab_79[dx & 0x3]; | ||
92 : | dy = (dy >> 1) + roundtab_79[dy & 0x3]; | ||
93 : | |||
94 : | switch (((dx & 1) << 1) + (dy & 1)) { // ((dx%2)?2:0)+((dy%2)?1:0) | ||
95 : | case 0: | ||
96 : | sad = sad8(data->CurU, data->RefCU + (dy/2) * (data->iEdgedWidth/2) + dx/2, data->iEdgedWidth/2); | ||
97 : | sad += sad8(data->CurV, data->RefCV + (dy/2) * (data->iEdgedWidth/2) + dx/2, data->iEdgedWidth/2); | ||
98 : | break; | ||
99 : | case 1: | ||
100 : | dx = dx / 2; dy = (dy - 1) / 2; | ||
101 : | sad = sad8bi(data->CurU, data->RefCU + dy * (data->iEdgedWidth/2) + dx, data->RefCU + (dy+1) * (data->iEdgedWidth/2) + dx, data->iEdgedWidth/2); | ||
102 : | sad += sad8bi(data->CurV, data->RefCV + dy * (data->iEdgedWidth/2) + dx, data->RefCV + (dy+1) * (data->iEdgedWidth/2) + dx, data->iEdgedWidth/2); | ||
103 : | break; | ||
104 : | case 2: | ||
105 : | dx = (dx - 1) / 2; dy = dy / 2; | ||
106 : | sad = sad8bi(data->CurU, data->RefCU + dy * (data->iEdgedWidth/2) + dx, data->RefCU + dy * (data->iEdgedWidth/2) + dx+1, data->iEdgedWidth/2); | ||
107 : | sad += sad8bi(data->CurV, data->RefCV + dy * (data->iEdgedWidth/2) + dx, data->RefCV + dy * (data->iEdgedWidth/2) + dx+1, data->iEdgedWidth/2); | ||
108 : | break; | ||
109 : | default: | ||
110 : | dx = (dx - 1) / 2; dy = (dy - 1) / 2; | ||
111 : | interpolate8x8_halfpel_hv(data->RefQ, | ||
112 : | data->RefCU + dy * (data->iEdgedWidth/2) + dx, data->iEdgedWidth/2, | ||
113 : | data->rounding); | ||
114 : | sad = sad8(data->CurU, data->RefQ, data->iEdgedWidth/2); | ||
115 : | interpolate8x8_halfpel_hv(data->RefQ, | ||
116 : | data->RefCV + dy * (data->iEdgedWidth/2) + dx, data->iEdgedWidth/2, | ||
117 : | data->rounding); | ||
118 : | sad += sad8(data->CurV, data->RefQ, data->iEdgedWidth/2); | ||
119 : | break; | ||
120 : | chl | 1.44.2.1 | } |
121 : | syskin | 1.44.2.14 | return sad; |
122 : | } | ||
123 : | chl | 1.10 | |
124 : | syskin | 1.44.2.22 | static __inline const uint8_t * |
125 : | GetReference(const int x, const int y, const int dir, const SearchData * const data) | ||
126 : | Isibaar | 1.44.2.12 | { |
127 : | syskin | 1.44.2.22 | // dir : 0 = forward, 1 = backward |
128 : | switch ( (dir << 2) | ((x&1)<<1) | (y&1) ) { | ||
129 : | case 0 : return data->Ref + x/2 + (y/2)*(data->iEdgedWidth); | ||
130 : | case 1 : return data->RefV + x/2 + ((y-1)/2)*(data->iEdgedWidth); | ||
131 : | case 2 : return data->RefH + (x-1)/2 + (y/2)*(data->iEdgedWidth); | ||
132 : | case 3 : return data->RefHV + (x-1)/2 + ((y-1)/2)*(data->iEdgedWidth); | ||
133 : | case 4 : return data->bRef + x/2 + (y/2)*(data->iEdgedWidth); | ||
134 : | case 5 : return data->bRefV + x/2 + ((y-1)/2)*(data->iEdgedWidth); | ||
135 : | case 6 : return data->bRefH + (x-1)/2 + (y/2)*(data->iEdgedWidth); | ||
136 : | default : return data->bRefHV + (x-1)/2 + ((y-1)/2)*(data->iEdgedWidth); | ||
137 : | Isibaar | 1.44.2.12 | |
138 : | } | ||
139 : | } | ||
140 : | |||
141 : | syskin | 1.44.2.22 | static uint8_t * |
142 : | Interpolate8x8qpel(const int x, const int y, const int block, const int dir, const SearchData * const data) | ||
143 : | Isibaar | 1.1 | { |
144 : | syskin | 1.44.2.22 | // create or find a qpel-precision reference picture; return pointer to it |
145 : | syskin | 1.44.2.24 | uint8_t * Reference = (uint8_t *)data->RefQ + 16*dir; |
146 : | syskin | 1.44.2.22 | const int32_t iEdgedWidth = data->iEdgedWidth; |
147 : | const uint32_t rounding = data->rounding; | ||
148 : | const int halfpel_x = x/2; | ||
149 : | const int halfpel_y = y/2; | ||
150 : | const uint8_t *ref1, *ref2, *ref3, *ref4; | ||
151 : | Isibaar | 1.1 | |
152 : | syskin | 1.44.2.22 | ref1 = GetReference(halfpel_x, halfpel_y, dir, data); // this reference is used in all cases |
153 : | ref1 += 8 * (block&1) + 8 * (block>>1) * iEdgedWidth; | ||
154 : | switch( ((x&1)<<1) + (y&1) ) { | ||
155 : | case 0: // pure halfpel position | ||
156 : | Reference = (uint8_t *) GetReference(halfpel_x, halfpel_y, dir, data); | ||
157 : | Reference += 8 * (block&1) + 8 * (block>>1) * iEdgedWidth; | ||
158 : | break; | ||
159 : | Isibaar | 1.1 | |
160 : | syskin | 1.44.2.22 | case 1: // x halfpel, y qpel - top or bottom during qpel refinement |
161 : | ref2 = GetReference(halfpel_x, y - halfpel_y, dir, data); | ||
162 : | ref2 += 8 * (block&1) + 8 * (block>>1) * iEdgedWidth; | ||
163 : | Isibaar | 1.44.2.23 | interpolate8x8_avg2(Reference, ref1, ref2, iEdgedWidth, rounding, 8); |
164 : | syskin | 1.44.2.22 | break; |
165 : | Isibaar | 1.1 | |
166 : | syskin | 1.44.2.22 | case 2: // x qpel, y halfpel - left or right during qpel refinement |
167 : | ref2 = GetReference(x - halfpel_x, halfpel_y, dir, data); | ||
168 : | ref2 += 8 * (block&1) + 8 * (block>>1) * iEdgedWidth; | ||
169 : | Isibaar | 1.44.2.23 | interpolate8x8_avg2(Reference, ref1, ref2, iEdgedWidth, rounding, 8); |
170 : | syskin | 1.44.2.22 | break; |
171 : | Isibaar | 1.1 | |
172 : | syskin | 1.44.2.22 | default: // x and y in qpel resolution - the "corners" (top left/right and |
173 : | // bottom left/right) during qpel refinement | ||
174 : | ref2 = GetReference(halfpel_x, y - halfpel_y, dir, data); | ||
175 : | ref3 = GetReference(x - halfpel_x, halfpel_y, dir, data); | ||
176 : | ref4 = GetReference(x - halfpel_x, y - halfpel_y, dir, data); | ||
177 : | ref2 += 8 * (block&1) + 8 * (block>>1) * iEdgedWidth; | ||
178 : | ref3 += 8 * (block&1) + 8 * (block>>1) * iEdgedWidth; | ||
179 : | ref4 += 8 * (block&1) + 8 * (block>>1) * iEdgedWidth; | ||
180 : | interpolate8x8_avg4(Reference, ref1, ref2, ref3, ref4, iEdgedWidth, rounding); | ||
181 : | break; | ||
182 : | } | ||
183 : | return Reference; | ||
184 : | Isibaar | 1.1 | } |
185 : | |||
186 : | syskin | 1.44.2.22 | static uint8_t * |
187 : | Interpolate16x16qpel(const int x, const int y, const int dir, const SearchData * const data) | ||
188 : | Isibaar | 1.44.2.7 | { |
189 : | syskin | 1.44.2.22 | // create or find a qpel-precision reference picture; return pointer to it |
190 : | syskin | 1.44.2.24 | uint8_t * Reference = (uint8_t *)data->RefQ + 16*dir; |
191 : | syskin | 1.44.2.22 | const int32_t iEdgedWidth = data->iEdgedWidth; |
192 : | const uint32_t rounding = data->rounding; | ||
193 : | const int halfpel_x = x/2; | ||
194 : | const int halfpel_y = y/2; | ||
195 : | Isibaar | 1.44.2.7 | const uint8_t *ref1, *ref2, *ref3, *ref4; |
196 : | |||
197 : | syskin | 1.44.2.22 | ref1 = GetReference(halfpel_x, halfpel_y, dir, data); // this reference is used in all cases |
198 : | switch( ((x&1)<<1) + (y&1) ) { | ||
199 : | case 0: // pure halfpel position | ||
200 : | return (uint8_t *) GetReference(halfpel_x, halfpel_y, dir, data); | ||
201 : | Isibaar | 1.44.2.7 | case 1: // x halfpel, y qpel - top or bottom during qpel refinement |
202 : | syskin | 1.44.2.22 | ref2 = GetReference(halfpel_x, y - halfpel_y, dir, data); |
203 : | Isibaar | 1.44.2.23 | interpolate8x8_avg2(Reference, ref1, ref2, iEdgedWidth, rounding, 8); |
204 : | interpolate8x8_avg2(Reference+8, ref1+8, ref2+8, iEdgedWidth, rounding, 8); | ||
205 : | interpolate8x8_avg2(Reference+8*iEdgedWidth, ref1+8*iEdgedWidth, ref2+8*iEdgedWidth, iEdgedWidth, rounding, 8); | ||
206 : | interpolate8x8_avg2(Reference+8*iEdgedWidth+8, ref1+8*iEdgedWidth+8, ref2+8*iEdgedWidth+8, iEdgedWidth, rounding, 8); | ||
207 : | Isibaar | 1.44.2.7 | break; |
208 : | |||
209 : | case 2: // x qpel, y halfpel - left or right during qpel refinement | ||
210 : | syskin | 1.44.2.22 | ref2 = GetReference(x - halfpel_x, halfpel_y, dir, data); |
211 : | Isibaar | 1.44.2.23 | interpolate8x8_avg2(Reference, ref1, ref2, iEdgedWidth, rounding, 8); |
212 : | interpolate8x8_avg2(Reference+8, ref1+8, ref2+8, iEdgedWidth, rounding, 8); | ||
213 : | interpolate8x8_avg2(Reference+8*iEdgedWidth, ref1+8*iEdgedWidth, ref2+8*iEdgedWidth, iEdgedWidth, rounding, 8); | ||
214 : | interpolate8x8_avg2(Reference+8*iEdgedWidth+8, ref1+8*iEdgedWidth+8, ref2+8*iEdgedWidth+8, iEdgedWidth, rounding, 8); | ||
215 : | Isibaar | 1.44.2.7 | break; |
216 : | |||
217 : | default: // x and y in qpel resolution - the "corners" (top left/right and | ||
218 : | // bottom left/right) during qpel refinement | ||
219 : | syskin | 1.44.2.22 | ref2 = GetReference(halfpel_x, y - halfpel_y, dir, data); |
220 : | ref3 = GetReference(x - halfpel_x, halfpel_y, dir, data); | ||
221 : | ref4 = GetReference(x - halfpel_x, y - halfpel_y, dir, data); | ||
222 : | Isibaar | 1.44.2.7 | interpolate8x8_avg4(Reference, ref1, ref2, ref3, ref4, iEdgedWidth, rounding); |
223 : | interpolate8x8_avg4(Reference+8, ref1+8, ref2+8, ref3+8, ref4+8, iEdgedWidth, rounding); | ||
224 : | interpolate8x8_avg4(Reference+8*iEdgedWidth, ref1+8*iEdgedWidth, ref2+8*iEdgedWidth, ref3+8*iEdgedWidth, ref4+8*iEdgedWidth, iEdgedWidth, rounding); | ||
225 : | interpolate8x8_avg4(Reference+8*iEdgedWidth+8, ref1+8*iEdgedWidth+8, ref2+8*iEdgedWidth+8, ref3+8*iEdgedWidth+8, ref4+8*iEdgedWidth+8, iEdgedWidth, rounding); | ||
226 : | break; | ||
227 : | } | ||
228 : | syskin | 1.44.2.22 | return Reference; |
229 : | } | ||
230 : | |||
231 : | /* CHECK_CANDIATE FUNCTIONS START */ | ||
232 : | |||
233 : | static void | ||
234 : | CheckCandidate16(const int x, const int y, const int Direction, int * const dir, const SearchData * const data) | ||
235 : | { | ||
236 : | int t, xc, yc; | ||
237 : | const uint8_t * Reference; | ||
238 : | VECTOR * current; | ||
239 : | |||
240 : | if (( x > data->max_dx) || ( x < data->min_dx) | ||
241 : | || ( y > data->max_dy) || (y < data->min_dy)) return; | ||
242 : | |||
243 : | if (data->qpel_precision) { // x and y are in 1/4 precision | ||
244 : | Reference = Interpolate16x16qpel(x, y, 0, data); | ||
245 : | t = d_mv_bits(x - data->predMV.x, y - data->predMV.y, data->iFcode); | ||
246 : | xc = x/2; yc = y/2; //for chroma sad | ||
247 : | current = data->currentQMV; | ||
248 : | } else { | ||
249 : | switch ( ((x&1)<<1) + (y&1) ) { | ||
250 : | case 0 : Reference = data->Ref + x/2 + (y/2)*(data->iEdgedWidth); break; | ||
251 : | case 1 : Reference = data->RefV + x/2 + ((y-1)/2)*(data->iEdgedWidth); break; | ||
252 : | case 2 : Reference = data->RefH + (x-1)/2 + (y/2)*(data->iEdgedWidth); break; | ||
253 : | default : Reference = data->RefHV + (x-1)/2 + ((y-1)/2)*(data->iEdgedWidth); break; | ||
254 : | } | ||
255 : | if (data->qpel) t = d_mv_bits(2*x - data->predMV.x, 2*y - data->predMV.y, data->iFcode); | ||
256 : | else t = d_mv_bits(x - data->predMV.x, y - data->predMV.y, data->iFcode); | ||
257 : | current = data->currentMV; | ||
258 : | xc = x; yc = y; | ||
259 : | } | ||
260 : | Isibaar | 1.44.2.7 | |
261 : | syskin | 1.44.2.22 | data->temp[0] = sad16v(data->Cur, Reference, data->iEdgedWidth, data->temp + 1); |
262 : | Isibaar | 1.44.2.7 | |
263 : | syskin | 1.44.2.14 | data->temp[0] += (data->lambda16 * t * data->temp[0])/1000; |
264 : | data->temp[1] += (data->lambda8 * t * (data->temp[1] + NEIGH_8X8_BIAS))/100; | ||
265 : | |||
266 : | syskin | 1.44.2.22 | if (data->chroma) data->temp[0] += ChromaSAD(xc, yc, data); |
267 : | Isibaar | 1.44.2.7 | |
268 : | if (data->temp[0] < data->iMinSAD[0]) { | ||
269 : | data->iMinSAD[0] = data->temp[0]; | ||
270 : | syskin | 1.44.2.22 | current[0].x = x; current[0].y = y; |
271 : | *dir = Direction; } | ||
272 : | Isibaar | 1.44.2.7 | |
273 : | if (data->temp[1] < data->iMinSAD[1]) { | ||
274 : | syskin | 1.44.2.22 | data->iMinSAD[1] = data->temp[1]; current[1].x = x; current[1].y= y; } |
275 : | Isibaar | 1.44.2.7 | if (data->temp[2] < data->iMinSAD[2]) { |
276 : | syskin | 1.44.2.22 | data->iMinSAD[2] = data->temp[2]; current[2].x = x; current[2].y = y; } |
277 : | Isibaar | 1.44.2.7 | if (data->temp[3] < data->iMinSAD[3]) { |
278 : | syskin | 1.44.2.22 | data->iMinSAD[3] = data->temp[3]; current[3].x = x; current[3].y = y; } |
279 : | Isibaar | 1.44.2.7 | if (data->temp[4] < data->iMinSAD[4]) { |
280 : | syskin | 1.44.2.22 | data->iMinSAD[4] = data->temp[4]; current[4].x = x; current[4].y = y; } |
281 : | |||
282 : | Isibaar | 1.44.2.7 | } |
283 : | |||
284 : | static void | ||
285 : | syskin | 1.44.2.32 | CheckCandidate32(const int x, const int y, const int Direction, int * const dir, const SearchData * const data) |
286 : | { | ||
287 : | int t; | ||
288 : | const uint8_t * Reference; | ||
289 : | |||
290 : | if ( (!(x&1) && x !=0) || (!(y&1) && y !=0) || //non-zero integer value | ||
291 : | ( x > data->max_dx) || ( x < data->min_dx) | ||
292 : | || ( y > data->max_dy) || (y < data->min_dy)) return; | ||
293 : | |||
294 : | switch ( ((x&1)<<1) + (y&1) ) { | ||
295 : | case 0 : Reference = data->Ref + x/2 + (y/2)*(data->iEdgedWidth); break; | ||
296 : | case 1 : Reference = data->RefV + x/2 + ((y-1)/2)*(data->iEdgedWidth); break; | ||
297 : | case 2 : Reference = data->RefH + (x-1)/2 + (y/2)*(data->iEdgedWidth); break; | ||
298 : | default : Reference = data->RefHV + (x-1)/2 + ((y-1)/2)*(data->iEdgedWidth); break; | ||
299 : | } | ||
300 : | |||
301 : | t = d_mv_bits(RRV_MV_SCALEDOWN(x) - data->predMV.x, | ||
302 : | RRV_MV_SCALEDOWN(y) - data->predMV.y, data->iFcode); | ||
303 : | |||
304 : | data->temp[0] = sad32v_c(data->Cur, Reference, data->iEdgedWidth, data->temp + 1); | ||
305 : | |||
306 : | data->temp[0] += (data->lambda16 * t * data->temp[0])/1000; | ||
307 : | data->temp[1] += (data->lambda8 * t * (data->temp[1] + NEIGH_8X8_BIAS))/100; | ||
308 : | |||
309 : | if (data->temp[0] < data->iMinSAD[0]) { | ||
310 : | data->iMinSAD[0] = data->temp[0]; | ||
311 : | data->currentMV[0].x = x; data->currentMV[0].y = y; | ||
312 : | *dir = Direction; } | ||
313 : | |||
314 : | if (data->temp[1] < data->iMinSAD[1]) { | ||
315 : | data->iMinSAD[1] = data->temp[1]; data->currentMV[1].x = x; data->currentMV[1].y = y; } | ||
316 : | if (data->temp[2] < data->iMinSAD[2]) { | ||
317 : | data->iMinSAD[2] = data->temp[2]; data->currentMV[2].x = x; data->currentMV[2].y = y; } | ||
318 : | if (data->temp[3] < data->iMinSAD[3]) { | ||
319 : | data->iMinSAD[3] = data->temp[3]; data->currentMV[3].x = x; data->currentMV[3].y = y; } | ||
320 : | if (data->temp[4] < data->iMinSAD[4]) { | ||
321 : | data->iMinSAD[4] = data->temp[4]; data->currentMV[4].x = x; data->currentMV[4].y = y; } | ||
322 : | } | ||
323 : | |||
324 : | static void | ||
325 : | syskin | 1.44.2.22 | CheckCandidate16no4v(const int x, const int y, const int Direction, int * const dir, const SearchData * const data) |
326 : | syskin | 1.44.2.19 | { |
327 : | int32_t sad; | ||
328 : | syskin | 1.44.2.22 | const uint8_t * Reference; |
329 : | int t; | ||
330 : | VECTOR * current; | ||
331 : | syskin | 1.44.2.19 | |
332 : | if (( x > data->max_dx) || ( x < data->min_dx) | ||
333 : | || ( y > data->max_dy) || (y < data->min_dy)) return; | ||
334 : | |||
335 : | syskin | 1.44.2.32 | if (data->rrv) { |
336 : | if ( (!(x&1) && x !=0) || (!(y&1) && y !=0) ) return; //non-zero integer value | ||
337 : | t = d_mv_bits(RRV_MV_SCALEDOWN(x) - data->predMV.x, | ||
338 : | RRV_MV_SCALEDOWN(y) - data->predMV.y, data->iFcode); | ||
339 : | } | ||
340 : | |||
341 : | syskin | 1.44.2.22 | if (data->qpel_precision) { // x and y are in 1/4 precision |
342 : | Reference = Interpolate16x16qpel(x, y, 0, data); | ||
343 : | t = d_mv_bits(x - data->predMV.x, y - data->predMV.y, data->iFcode); | ||
344 : | current = data->currentQMV; | ||
345 : | } else { | ||
346 : | switch ( ((x&1)<<1) + (y&1) ) { | ||
347 : | case 0 : Reference = data->Ref + x/2 + (y/2)*(data->iEdgedWidth); break; | ||
348 : | case 1 : Reference = data->RefV + x/2 + ((y-1)/2)*(data->iEdgedWidth); break; | ||
349 : | case 2 : Reference = data->RefH + (x-1)/2 + (y/2)*(data->iEdgedWidth); break; | ||
350 : | default : Reference = data->RefHV + (x-1)/2 + ((y-1)/2)*(data->iEdgedWidth); break; | ||
351 : | } | ||
352 : | if (data->qpel) t = d_mv_bits(2*x - data->predMV.x, 2*y - data->predMV.y, data->iFcode); | ||
353 : | syskin | 1.44.2.32 | else if (!data->rrv) t = d_mv_bits(x - data->predMV.x, y - data->predMV.y, data->iFcode); |
354 : | syskin | 1.44.2.22 | current = data->currentMV; |
355 : | syskin | 1.44.2.19 | } |
356 : | |||
357 : | sad = sad16(data->Cur, Reference, data->iEdgedWidth, 256*4096); | ||
358 : | syskin | 1.44.2.22 | sad += (data->lambda16 * t * sad)/1000; |
359 : | syskin | 1.44.2.19 | |
360 : | syskin | 1.44.2.22 | if (sad < *(data->iMinSAD)) { |
361 : | *(data->iMinSAD) = sad; | ||
362 : | current->x = x; current->y = y; | ||
363 : | *dir = Direction; } | ||
364 : | syskin | 1.44.2.19 | } |
365 : | |||
366 : | static void | ||
367 : | Isibaar | 1.44.2.2 | CheckCandidate16no4vI(const int x, const int y, const int Direction, int * const dir, const SearchData * const data) |
368 : | { | ||
369 : | syskin | 1.44.2.19 | // maximum speed - for P/B/I decision |
370 : | Isibaar | 1.44.2.2 | int32_t sad; |
371 : | |||
372 : | if (( x > data->max_dx) || ( x < data->min_dx) | ||
373 : | || ( y > data->max_dy) || (y < data->min_dy)) return; | ||
374 : | |||
375 : | syskin | 1.44.2.11 | sad = sad16(data->Cur, data->Ref + x/2 + (y/2)*(data->iEdgedWidth), |
376 : | Isibaar | 1.44.2.2 | data->iEdgedWidth, 256*4096); |
377 : | |||
378 : | if (sad < *(data->iMinSAD)) { | ||
379 : | *(data->iMinSAD) = sad; | ||
380 : | data->currentMV[0].x = x; data->currentMV[0].y = y; | ||
381 : | *dir = Direction; } | ||
382 : | } | ||
383 : | |||
384 : | |||
385 : | static void | ||
386 : | chl | 1.44.2.1 | CheckCandidateInt(const int xf, const int yf, const int Direction, int * const dir, const SearchData * const data) |
387 : | Isibaar | 1.1 | { |
388 : | chl | 1.44.2.1 | int32_t sad; |
389 : | syskin | 1.44.2.22 | int xb, yb, t; |
390 : | chl | 1.44.2.1 | const uint8_t *ReferenceF, *ReferenceB; |
391 : | syskin | 1.44.2.22 | VECTOR *current; |
392 : | suxen_drol | 1.8 | |
393 : | chl | 1.44.2.1 | if (( xf > data->max_dx) || ( xf < data->min_dx) |
394 : | || ( yf > data->max_dy) || (yf < data->min_dy)) return; | ||
395 : | suxen_drol | 1.8 | |
396 : | syskin | 1.44.2.22 | if (data->qpel_precision) { |
397 : | ReferenceF = Interpolate16x16qpel(xf, yf, 0, data); | ||
398 : | xb = data->currentQMV[1].x; yb = data->currentQMV[1].y; | ||
399 : | current = data->currentQMV; | ||
400 : | ReferenceB = Interpolate16x16qpel(xb, yb, 1, data); | ||
401 : | t = d_mv_bits(xf - data->predMV.x, yf - data->predMV.y, data->iFcode) | ||
402 : | + d_mv_bits(xb - data->bpredMV.x, yb - data->bpredMV.y, data->iFcode); | ||
403 : | } else { | ||
404 : | ReferenceF = Interpolate16x16qpel(2*xf, 2*yf, 0, data); | ||
405 : | xb = data->currentMV[1].x; yb = data->currentMV[1].y; | ||
406 : | ReferenceB = Interpolate16x16qpel(2*xb, 2*yb, 1, data); | ||
407 : | current = data->currentMV; | ||
408 : | if (data->qpel) | ||
409 : | t = d_mv_bits(2*xf - data->predMV.x, 2*yf - data->predMV.y, data->iFcode) | ||
410 : | + d_mv_bits(2*xb - data->bpredMV.x, 2*yb - data->bpredMV.y, data->iFcode); | ||
411 : | else | ||
412 : | t = d_mv_bits(xf - data->predMV.x, yf - data->predMV.y, data->iFcode) | ||
413 : | + d_mv_bits(xb - data->bpredMV.x, yb - data->bpredMV.y, data->iFcode); | ||
414 : | syskin | 1.44.2.19 | } |
415 : | |||
416 : | sad = sad16bi(data->Cur, ReferenceF, ReferenceB, data->iEdgedWidth); | ||
417 : | syskin | 1.44.2.22 | sad += (data->lambda16 * t * sad)/1000; |
418 : | syskin | 1.44.2.19 | |
419 : | if (sad < *(data->iMinSAD)) { | ||
420 : | *(data->iMinSAD) = sad; | ||
421 : | syskin | 1.44.2.22 | current->x = xf; current->y = yf; |
422 : | syskin | 1.44.2.19 | *dir = Direction; } |
423 : | } | ||
424 : | |||
425 : | chl | 1.44.2.1 | static void |
426 : | CheckCandidateDirect(const int x, const int y, const int Direction, int * const dir, const SearchData * const data) | ||
427 : | { | ||
428 : | syskin | 1.44.2.14 | int32_t sad = 0; |
429 : | chl | 1.44.2.1 | int k; |
430 : | const uint8_t *ReferenceF; | ||
431 : | const uint8_t *ReferenceB; | ||
432 : | VECTOR mvs, b_mvs; | ||
433 : | edgomez | 1.20 | |
434 : | chl | 1.44.2.1 | if (( x > 31) || ( x < -32) || ( y > 31) || (y < -32)) return; |
435 : | edgomez | 1.20 | |
436 : | chl | 1.44.2.1 | for (k = 0; k < 4; k++) { |
437 : | mvs.x = data->directmvF[k].x + x; | ||
438 : | b_mvs.x = ((x == 0) ? | ||
439 : | data->directmvB[k].x | ||
440 : | : mvs.x - data->referencemv[k].x); | ||
441 : | edgomez | 1.20 | |
442 : | chl | 1.44.2.1 | mvs.y = data->directmvF[k].y + y; |
443 : | b_mvs.y = ((y == 0) ? | ||
444 : | data->directmvB[k].y | ||
445 : | : mvs.y - data->referencemv[k].y); | ||
446 : | |||
447 : | if (( mvs.x > data->max_dx ) || ( mvs.x < data->min_dx ) | ||
448 : | || ( mvs.y > data->max_dy ) || ( mvs.y < data->min_dy ) | ||
449 : | || ( b_mvs.x > data->max_dx ) || ( b_mvs.x < data->min_dx ) | ||
450 : | || ( b_mvs.y > data->max_dy ) || ( b_mvs.y < data->min_dy )) return; | ||
451 : | |||
452 : | syskin | 1.44.2.22 | if (!data->qpel) { |
453 : | mvs.x *= 2; mvs.y *= 2; | ||
454 : | b_mvs.x *= 2; b_mvs.y *= 2; //we move to qpel precision anyway | ||
455 : | chl | 1.44.2.1 | } |
456 : | syskin | 1.44.2.22 | ReferenceF = Interpolate8x8qpel(mvs.x, mvs.y, k, 0, data); |
457 : | ReferenceB = Interpolate8x8qpel(b_mvs.x, b_mvs.y, k, 1, data); | ||
458 : | chl | 1.44.2.1 | |
459 : | sad += sad8bi(data->Cur + 8*(k&1) + 8*(k>>1)*(data->iEdgedWidth), | ||
460 : | syskin | 1.44.2.22 | ReferenceF, ReferenceB, |
461 : | chl | 1.44.2.1 | data->iEdgedWidth); |
462 : | if (sad > *(data->iMinSAD)) return; | ||
463 : | } | ||
464 : | chl | 1.17 | |
465 : | syskin | 1.44.2.14 | sad += (data->lambda16 * d_mv_bits(x, y, 1) * sad)/1000; |
466 : | |||
467 : | chl | 1.44.2.1 | if (sad < *(data->iMinSAD)) { |
468 : | *(data->iMinSAD) = sad; | ||
469 : | data->currentMV->x = x; data->currentMV->y = y; | ||
470 : | *dir = Direction; } | ||
471 : | Isibaar | 1.1 | } |
472 : | |||
473 : | chl | 1.44.2.1 | static void |
474 : | CheckCandidateDirectno4v(const int x, const int y, const int Direction, int * const dir, const SearchData * const data) | ||
475 : | { | ||
476 : | int32_t sad; | ||
477 : | const uint8_t *ReferenceF; | ||
478 : | const uint8_t *ReferenceB; | ||
479 : | VECTOR mvs, b_mvs; | ||
480 : | chl | 1.35 | |
481 : | syskin | 1.44.2.6 | if (( x > 31) || ( x < -32) || ( y > 31) || (y < -32)) return; |
482 : | Isibaar | 1.1 | |
483 : | chl | 1.44.2.1 | mvs.x = data->directmvF[0].x + x; |
484 : | b_mvs.x = ((x == 0) ? | ||
485 : | data->directmvB[0].x | ||
486 : | : mvs.x - data->referencemv[0].x); | ||
487 : | |||
488 : | mvs.y = data->directmvF[0].y + y; | ||
489 : | b_mvs.y = ((y == 0) ? | ||
490 : | data->directmvB[0].y | ||
491 : | : mvs.y - data->referencemv[0].y); | ||
492 : | |||
493 : | if (( mvs.x > data->max_dx ) || ( mvs.x < data->min_dx ) | ||
494 : | || ( mvs.y > data->max_dy ) || ( mvs.y < data->min_dy ) | ||
495 : | || ( b_mvs.x > data->max_dx ) || ( b_mvs.x < data->min_dx ) | ||
496 : | || ( b_mvs.y > data->max_dy ) || ( b_mvs.y < data->min_dy )) return; | ||
497 : | |||
498 : | syskin | 1.44.2.22 | if (!data->qpel) { |
499 : | mvs.x *= 2; mvs.y *= 2; | ||
500 : | b_mvs.x *= 2; b_mvs.y *= 2; //we move to qpel precision anyway | ||
501 : | } | ||
502 : | ReferenceF = Interpolate16x16qpel(mvs.x, mvs.y, 0, data); | ||
503 : | ReferenceB = Interpolate16x16qpel(b_mvs.x, b_mvs.y, 1, data); | ||
504 : | chl | 1.44.2.1 | |
505 : | syskin | 1.44.2.14 | sad = sad16bi(data->Cur, ReferenceF, ReferenceB, data->iEdgedWidth); |
506 : | sad += (data->lambda16 * d_mv_bits(x, y, 1) * sad)/1000; | ||
507 : | Isibaar | 1.1 | |
508 : | chl | 1.44.2.1 | if (sad < *(data->iMinSAD)) { |
509 : | *(data->iMinSAD) = sad; | ||
510 : | data->currentMV->x = x; data->currentMV->y = y; | ||
511 : | *dir = Direction; } | ||
512 : | } | ||
513 : | Isibaar | 1.1 | |
514 : | chl | 1.44.2.1 | static void |
515 : | CheckCandidate8(const int x, const int y, const int Direction, int * const dir, const SearchData * const data) | ||
516 : | { | ||
517 : | syskin | 1.44.2.14 | int32_t sad; int t; |
518 : | chl | 1.44.2.1 | const uint8_t * Reference; |
519 : | Isibaar | 1.1 | |
520 : | chl | 1.44.2.1 | if (( x > data->max_dx) || ( x < data->min_dx) |
521 : | || ( y > data->max_dy) || (y < data->min_dy)) return; | ||
522 : | Isibaar | 1.1 | |
523 : | syskin | 1.44.2.22 | if (data->qpel) Reference = Interpolate16x16qpel(x, y, 0, data); |
524 : | else Reference = Interpolate16x16qpel(2*x, 2*y, 0, data); | ||
525 : | Isibaar | 1.1 | |
526 : | chl | 1.44.2.1 | sad = sad8(data->Cur, Reference, data->iEdgedWidth); |
527 : | syskin | 1.44.2.22 | if (data->qpel) t = d_mv_bits(2 * x - data->predMV.x, 2 * y - data->predMV.y, data->iFcode); |
528 : | syskin | 1.44.2.14 | else t = d_mv_bits(x - data->predMV.x, y - data->predMV.y, data->iFcode); |
529 : | Isibaar | 1.44.2.12 | |
530 : | syskin | 1.44.2.14 | sad += (data->lambda8 * t * (sad+NEIGH_8X8_BIAS))/100; |
531 : | Isibaar | 1.44.2.12 | |
532 : | if (sad < *(data->iMinSAD)) { | ||
533 : | *(data->iMinSAD) = sad; | ||
534 : | data->currentMV->x = x; data->currentMV->y = y; | ||
535 : | *dir = Direction; } | ||
536 : | } | ||
537 : | |||
538 : | Isibaar | 1.44.2.2 | /* CHECK_CANDIATE FUNCTIONS END */ |
539 : | chl | 1.3 | |
540 : | chl | 1.44.2.1 | /* MAINSEARCH FUNCTIONS START */ |
541 : | chl | 1.18 | |
542 : | chl | 1.44.2.1 | static void |
543 : | AdvDiamondSearch(int x, int y, const SearchData * const data, int bDirection) | ||
544 : | { | ||
545 : | chl | 1.18 | |
546 : | /* directions: 1 - left (x-1); 2 - right (x+1), 4 - up (y-1); 8 - down (y+1) */ | ||
547 : | |||
548 : | chl | 1.44.2.1 | int iDirection; |
549 : | edgomez | 1.20 | |
550 : | do { | ||
551 : | chl | 1.18 | iDirection = 0; |
552 : | chl | 1.44.2.1 | if (bDirection & 1) CHECK_CANDIDATE(x - iDiamondSize, y, 1); |
553 : | if (bDirection & 2) CHECK_CANDIDATE(x + iDiamondSize, y, 2); | ||
554 : | if (bDirection & 4) CHECK_CANDIDATE(x, y - iDiamondSize, 4); | ||
555 : | if (bDirection & 8) CHECK_CANDIDATE(x, y + iDiamondSize, 8); | ||
556 : | chl | 1.18 | |
557 : | /* now we're doing diagonal checks near our candidate */ | ||
558 : | |||
559 : | chl | 1.44.2.1 | if (iDirection) { //checking if anything found |
560 : | chl | 1.18 | bDirection = iDirection; |
561 : | iDirection = 0; | ||
562 : | chl | 1.44.2.1 | x = data->currentMV->x; y = data->currentMV->y; |
563 : | if (bDirection & 3) { //our candidate is left or right | ||
564 : | CHECK_CANDIDATE(x, y + iDiamondSize, 8); | ||
565 : | CHECK_CANDIDATE(x, y - iDiamondSize, 4); | ||
566 : | } else { // what remains here is up or down | ||
567 : | CHECK_CANDIDATE(x + iDiamondSize, y, 2); | ||
568 : | CHECK_CANDIDATE(x - iDiamondSize, y, 1); } | ||
569 : | chl | 1.18 | |
570 : | edgomez | 1.20 | if (iDirection) { |
571 : | bDirection += iDirection; | ||
572 : | chl | 1.44.2.1 | x = data->currentMV->x; y = data->currentMV->y; } |
573 : | } else { //about to quit, eh? not so fast.... | ||
574 : | edgomez | 1.20 | switch (bDirection) { |
575 : | chl | 1.18 | case 2: |
576 : | chl | 1.44.2.1 | CHECK_CANDIDATE(x + iDiamondSize, y - iDiamondSize, 2 + 4); |
577 : | CHECK_CANDIDATE(x + iDiamondSize, y + iDiamondSize, 2 + 8); | ||
578 : | chl | 1.18 | break; |
579 : | case 1: | ||
580 : | chl | 1.44.2.1 | CHECK_CANDIDATE(x - iDiamondSize, y - iDiamondSize, 1 + 4); |
581 : | CHECK_CANDIDATE(x - iDiamondSize, y + iDiamondSize, 1 + 8); | ||
582 : | edgomez | 1.20 | break; |
583 : | case 2 + 4: | ||
584 : | chl | 1.44.2.1 | CHECK_CANDIDATE(x - iDiamondSize, y - iDiamondSize, 1 + 4); |
585 : | CHECK_CANDIDATE(x + iDiamondSize, y - iDiamondSize, 2 + 4); | ||
586 : | CHECK_CANDIDATE(x + iDiamondSize, y + iDiamondSize, 2 + 8); | ||
587 : | chl | 1.18 | break; |
588 : | case 4: | ||
589 : | chl | 1.44.2.1 | CHECK_CANDIDATE(x + iDiamondSize, y - iDiamondSize, 2 + 4); |
590 : | CHECK_CANDIDATE(x - iDiamondSize, y - iDiamondSize, 1 + 4); | ||
591 : | chl | 1.18 | break; |
592 : | case 8: | ||
593 : | chl | 1.44.2.1 | CHECK_CANDIDATE(x + iDiamondSize, y + iDiamondSize, 2 + 8); |
594 : | CHECK_CANDIDATE(x - iDiamondSize, y + iDiamondSize, 1 + 8); | ||
595 : | edgomez | 1.20 | break; |
596 : | case 1 + 4: | ||
597 : | chl | 1.44.2.1 | CHECK_CANDIDATE(x - iDiamondSize, y + iDiamondSize, 1 + 8); |
598 : | CHECK_CANDIDATE(x - iDiamondSize, y - iDiamondSize, 1 + 4); | ||
599 : | CHECK_CANDIDATE(x + iDiamondSize, y - iDiamondSize, 2 + 4); | ||
600 : | edgomez | 1.20 | break; |
601 : | case 2 + 8: | ||
602 : | chl | 1.44.2.1 | CHECK_CANDIDATE(x - iDiamondSize, y - iDiamondSize, 1 + 4); |
603 : | CHECK_CANDIDATE(x - iDiamondSize, y + iDiamondSize, 1 + 8); | ||
604 : | CHECK_CANDIDATE(x + iDiamondSize, y + iDiamondSize, 2 + 8); | ||
605 : | edgomez | 1.20 | break; |
606 : | case 1 + 8: | ||
607 : | chl | 1.44.2.1 | CHECK_CANDIDATE(x + iDiamondSize, y - iDiamondSize, 2 + 4); |
608 : | CHECK_CANDIDATE(x + iDiamondSize, y + iDiamondSize, 2 + 8); | ||
609 : | CHECK_CANDIDATE(x - iDiamondSize, y + iDiamondSize, 1 + 8); | ||
610 : | edgomez | 1.20 | break; |
611 : | default: //1+2+4+8 == we didn't find anything at all | ||
612 : | chl | 1.44.2.1 | CHECK_CANDIDATE(x - iDiamondSize, y - iDiamondSize, 1 + 4); |
613 : | CHECK_CANDIDATE(x - iDiamondSize, y + iDiamondSize, 1 + 8); | ||
614 : | CHECK_CANDIDATE(x + iDiamondSize, y - iDiamondSize, 2 + 4); | ||
615 : | CHECK_CANDIDATE(x + iDiamondSize, y + iDiamondSize, 2 + 8); | ||
616 : | chl | 1.18 | break; |
617 : | } | ||
618 : | chl | 1.44.2.1 | if (!iDirection) break; //ok, the end. really |
619 : | bDirection = iDirection; | ||
620 : | x = data->currentMV->x; y = data->currentMV->y; | ||
621 : | chl | 1.18 | } |
622 : | } | ||
623 : | edgomez | 1.20 | while (1); //forever |
624 : | chl | 1.18 | } |
625 : | |||
626 : | chl | 1.44.2.1 | static void |
627 : | SquareSearch(int x, int y, const SearchData * const data, int bDirection) | ||
628 : | { | ||
629 : | int iDirection; | ||
630 : | chl | 1.35 | |
631 : | chl | 1.44.2.1 | do { |
632 : | iDirection = 0; | ||
633 : | if (bDirection & 1) CHECK_CANDIDATE(x - iDiamondSize, y, 1+16+64); | ||
634 : | if (bDirection & 2) CHECK_CANDIDATE(x + iDiamondSize, y, 2+32+128); | ||
635 : | if (bDirection & 4) CHECK_CANDIDATE(x, y - iDiamondSize, 4+16+32); | ||
636 : | if (bDirection & 8) CHECK_CANDIDATE(x, y + iDiamondSize, 8+64+128); | ||
637 : | if (bDirection & 16) CHECK_CANDIDATE(x - iDiamondSize, y - iDiamondSize, 1+4+16+32+64); | ||
638 : | if (bDirection & 32) CHECK_CANDIDATE(x + iDiamondSize, y - iDiamondSize, 2+4+16+32+128); | ||
639 : | if (bDirection & 64) CHECK_CANDIDATE(x - iDiamondSize, y + iDiamondSize, 1+8+16+64+128); | ||
640 : | if (bDirection & 128) CHECK_CANDIDATE(x + iDiamondSize, y + iDiamondSize, 2+8+32+64+128); | ||
641 : | |||
642 : | bDirection = iDirection; | ||
643 : | x = data->currentMV->x; y = data->currentMV->y; | ||
644 : | } while (iDirection); | ||
645 : | chl | 1.35 | } |
646 : | |||
647 : | chl | 1.44.2.1 | static void |
648 : | DiamondSearch(int x, int y, const SearchData * const data, int bDirection) | ||
649 : | chl | 1.18 | { |
650 : | |||
651 : | /* directions: 1 - left (x-1); 2 - right (x+1), 4 - up (y-1); 8 - down (y+1) */ | ||
652 : | |||
653 : | chl | 1.44.2.1 | int iDirection; |
654 : | edgomez | 1.20 | |
655 : | do { | ||
656 : | chl | 1.18 | iDirection = 0; |
657 : | chl | 1.44.2.1 | if (bDirection & 1) CHECK_CANDIDATE(x - iDiamondSize, y, 1); |
658 : | if (bDirection & 2) CHECK_CANDIDATE(x + iDiamondSize, y, 2); | ||
659 : | if (bDirection & 4) CHECK_CANDIDATE(x, y - iDiamondSize, 4); | ||
660 : | if (bDirection & 8) CHECK_CANDIDATE(x, y + iDiamondSize, 8); | ||
661 : | chl | 1.18 | |
662 : | /* now we're doing diagonal checks near our candidate */ | ||
663 : | |||
664 : | chl | 1.44.2.1 | if (iDirection) { //checking if anything found |
665 : | chl | 1.18 | bDirection = iDirection; |
666 : | iDirection = 0; | ||
667 : | chl | 1.44.2.1 | x = data->currentMV->x; y = data->currentMV->y; |
668 : | if (bDirection & 3) { //our candidate is left or right | ||
669 : | CHECK_CANDIDATE(x, y + iDiamondSize, 8); | ||
670 : | CHECK_CANDIDATE(x, y - iDiamondSize, 4); | ||
671 : | } else { // what remains here is up or down | ||
672 : | CHECK_CANDIDATE(x + iDiamondSize, y, 2); | ||
673 : | CHECK_CANDIDATE(x - iDiamondSize, y, 1); } | ||
674 : | chl | 1.18 | |
675 : | chl | 1.44.2.1 | bDirection += iDirection; |
676 : | x = data->currentMV->x; y = data->currentMV->y; | ||
677 : | chl | 1.18 | } |
678 : | } | ||
679 : | chl | 1.44.2.1 | while (iDirection); |
680 : | chl | 1.18 | } |
681 : | |||
682 : | chl | 1.44.2.1 | /* MAINSEARCH FUNCTIONS END */ |
683 : | |||
684 : | /* HALFPELREFINE COULD BE A MAINSEARCH FUNCTION, BUT THERE IS NO NEED FOR IT */ | ||
685 : | chl | 1.18 | |
686 : | chl | 1.44.2.1 | static void |
687 : | syskin | 1.44.2.22 | SubpelRefine(const SearchData * const data) |
688 : | Isibaar | 1.1 | { |
689 : | syskin | 1.44.2.22 | /* Do a half-pel or q-pel refinement */ |
690 : | VECTOR backupMV; | ||
691 : | chl | 1.44.2.1 | int iDirection; //not needed |
692 : | edgomez | 1.20 | |
693 : | syskin | 1.44.2.22 | if (data->qpel_precision) |
694 : | backupMV = *(data->currentQMV); | ||
695 : | else backupMV = *(data->currentMV); | ||
696 : | Isibaar | 1.44.2.7 | |
697 : | CHECK_CANDIDATE(backupMV.x - 1, backupMV.y - 1, 0); | ||
698 : | CHECK_CANDIDATE(backupMV.x + 1, backupMV.y - 1, 0); | ||
699 : | CHECK_CANDIDATE(backupMV.x - 1, backupMV.y + 1, 0); | ||
700 : | CHECK_CANDIDATE(backupMV.x + 1, backupMV.y + 1, 0); | ||
701 : | |||
702 : | CHECK_CANDIDATE(backupMV.x - 1, backupMV.y, 0); | ||
703 : | CHECK_CANDIDATE(backupMV.x + 1, backupMV.y, 0); | ||
704 : | |||
705 : | CHECK_CANDIDATE(backupMV.x, backupMV.y + 1, 0); | ||
706 : | CHECK_CANDIDATE(backupMV.x, backupMV.y - 1, 0); | ||
707 : | } | ||
708 : | |||
709 : | chl | 1.44.2.1 | static __inline int |
710 : | SkipDecisionP(const IMAGE * current, const IMAGE * reference, | ||
711 : | const int x, const int y, | ||
712 : | syskin | 1.44.2.32 | const uint32_t iEdgedWidth, const uint32_t iQuant, int rrv) |
713 : | Isibaar | 1.1 | |
714 : | chl | 1.44.2.1 | { |
715 : | /* keep repeating checks for all b-frames before this P frame, | ||
716 : | to make sure that SKIP is possible (todo) | ||
717 : | how: if skip is not possible set sad00 to a very high value */ | ||
718 : | syskin | 1.44.2.32 | if(rrv) { |
719 : | uint32_t sadC = sad16(current->u + x*16 + y*(iEdgedWidth/2)*16, | ||
720 : | reference->u + x*16 + y*(iEdgedWidth/2)*16, iEdgedWidth/2, 256*4096); | ||
721 : | if (sadC > iQuant * MAX_CHROMA_SAD_FOR_SKIP*4) return 0; | ||
722 : | sadC += sad16(current->v + (x + y*(iEdgedWidth/2))*16, | ||
723 : | reference->v + (x + y*(iEdgedWidth/2))*16, iEdgedWidth/2, 256*4096); | ||
724 : | if (sadC > iQuant * MAX_CHROMA_SAD_FOR_SKIP*4) return 0; | ||
725 : | return 1; | ||
726 : | } else { | ||
727 : | uint32_t sadC = sad8(current->u + x*8 + y*(iEdgedWidth/2)*8, | ||
728 : | reference->u + x*8 + y*(iEdgedWidth/2)*8, iEdgedWidth/2); | ||
729 : | if (sadC > iQuant * MAX_CHROMA_SAD_FOR_SKIP) return 0; | ||
730 : | sadC += sad8(current->v + (x + y*(iEdgedWidth/2))*8, | ||
731 : | reference->v + (x + y*(iEdgedWidth/2))*8, iEdgedWidth/2); | ||
732 : | if (sadC > iQuant * MAX_CHROMA_SAD_FOR_SKIP) return 0; | ||
733 : | return 1; | ||
734 : | } | ||
735 : | chl | 1.44.2.1 | } |
736 : | Isibaar | 1.1 | |
737 : | chl | 1.44.2.1 | static __inline void |
738 : | SkipMacroblockP(MACROBLOCK *pMB, const int32_t sad) | ||
739 : | { | ||
740 : | pMB->mode = MODE_NOT_CODED; | ||
741 : | Isibaar | 1.44.2.2 | pMB->mvs[0].x = pMB->mvs[1].x = pMB->mvs[2].x = pMB->mvs[3].x = 0; |
742 : | pMB->mvs[0].y = pMB->mvs[1].y = pMB->mvs[2].y = pMB->mvs[3].y = 0; | ||
743 : | syskin | 1.44.2.14 | |
744 : | Isibaar | 1.44.2.7 | pMB->qmvs[0].x = pMB->qmvs[1].x = pMB->qmvs[2].x = pMB->qmvs[3].x = 0; |
745 : | pMB->qmvs[0].y = pMB->qmvs[1].y = pMB->qmvs[2].y = pMB->qmvs[3].y = 0; | ||
746 : | |||
747 : | chl | 1.44.2.1 | pMB->sad16 = pMB->sad8[0] = pMB->sad8[1] = pMB->sad8[2] = pMB->sad8[3] = sad; |
748 : | } | ||
749 : | |||
750 : | syskin | 1.44.2.14 | bool |
751 : | chl | 1.44.2.1 | MotionEstimation(MBParam * const pParam, |
752 : | FRAMEINFO * const current, | ||
753 : | FRAMEINFO * const reference, | ||
754 : | const IMAGE * const pRefH, | ||
755 : | const IMAGE * const pRefV, | ||
756 : | const IMAGE * const pRefHV, | ||
757 : | const uint32_t iLimit) | ||
758 : | { | ||
759 : | MACROBLOCK *const pMBs = current->mbs; | ||
760 : | const IMAGE *const pCurrent = ¤t->image; | ||
761 : | const IMAGE *const pRef = &reference->image; | ||
762 : | Isibaar | 1.1 | |
763 : | chl | 1.44.2.1 | const VECTOR zeroMV = { 0, 0 }; |
764 : | edgomez | 1.20 | |
765 : | syskin | 1.44.2.32 | uint32_t mb_width = pParam->mb_width; |
766 : | uint32_t mb_height = pParam->mb_height; | ||
767 : | suxen_drol | 1.44.2.31 | |
768 : | chl | 1.44.2.1 | uint32_t x, y; |
769 : | uint32_t iIntra = 0; | ||
770 : | syskin | 1.44.2.14 | int32_t InterBias, quant = current->quant, sad00; |
771 : | Isibaar | 1.44.2.7 | uint8_t *qimage; |
772 : | chl | 1.44.2.1 | |
773 : | Isibaar | 1.44.2.2 | // some pre-initialized thingies for SearchP |
774 : | int32_t temp[5]; | ||
775 : | VECTOR currentMV[5]; | ||
776 : | Isibaar | 1.44.2.7 | VECTOR currentQMV[5]; |
777 : | Isibaar | 1.44.2.2 | int32_t iMinSAD[5]; |
778 : | SearchData Data; | ||
779 : | syskin | 1.44.2.32 | memset(&Data, 0, sizeof(SearchData)); |
780 : | Isibaar | 1.44.2.2 | Data.iEdgedWidth = pParam->edged_width; |
781 : | Data.currentMV = currentMV; | ||
782 : | Isibaar | 1.44.2.7 | Data.currentQMV = currentQMV; |
783 : | Isibaar | 1.44.2.2 | Data.iMinSAD = iMinSAD; |
784 : | Data.temp = temp; | ||
785 : | Data.iFcode = current->fcode; | ||
786 : | Isibaar | 1.44.2.7 | Data.rounding = pParam->m_rounding_type; |
787 : | syskin | 1.44.2.14 | Data.qpel = pParam->m_quarterpel; |
788 : | Data.chroma = current->global_flags & XVID_ME_COLOUR; | ||
789 : | syskin | 1.44.2.32 | Data.rrv = current->global_flags & XVID_REDUCED; |
790 : | Isibaar | 1.44.2.7 | |
791 : | syskin | 1.44.2.32 | if ((current->global_flags & XVID_REDUCED)) { |
792 : | suxen_drol | 1.44.2.31 | mb_width = (pParam->width + 31) / 32; |
793 : | mb_height = (pParam->height + 31) / 32; | ||
794 : | syskin | 1.44.2.32 | Data.qpel = Data.chroma = 0; |
795 : | suxen_drol | 1.44.2.31 | } |
796 : | |||
797 : | Isibaar | 1.44.2.7 | if((qimage = (uint8_t *) malloc(32 * pParam->edged_width)) == NULL) |
798 : | syskin | 1.44.2.8 | return 1; // allocate some mem for qpel interpolated blocks |
799 : | Isibaar | 1.44.2.7 | // somehow this is dirty since I think we shouldn't use malloc outside |
800 : | // encoder_create() - so please fix me! | ||
801 : | syskin | 1.44.2.14 | Data.RefQ = qimage; |
802 : | chl | 1.44.2.1 | if (sadInit) (*sadInit) (); |
803 : | |||
804 : | suxen_drol | 1.44.2.31 | for (y = 0; y < mb_height; y++) { |
805 : | for (x = 0; x < mb_width; x++) { | ||
806 : | chl | 1.44.2.1 | MACROBLOCK *pMB = &pMBs[x + y * pParam->mb_width]; |
807 : | syskin | 1.44.2.14 | |
808 : | syskin | 1.44.2.32 | if (Data.rrv) pMB->sad16 = |
809 : | sad32v_c(pCurrent->y + (x + y * pParam->edged_width) * 32, | ||
810 : | pRef->y + (x + y * pParam->edged_width) * 32, | ||
811 : | pParam->edged_width, pMB->sad8 ); | ||
812 : | |||
813 : | else pMB->sad16 = | ||
814 : | sad16v(pCurrent->y + (x + y * pParam->edged_width) * 16, | ||
815 : | chl | 1.44.2.1 | pRef->y + (x + y * pParam->edged_width) * 16, |
816 : | pParam->edged_width, pMB->sad8 ); | ||
817 : | |||
818 : | syskin | 1.44.2.14 | if (Data.chroma) { |
819 : | pMB->sad16 += sad8(pCurrent->u + x*8 + y*(pParam->edged_width/2)*8, | ||
820 : | pRef->u + x*8 + y*(pParam->edged_width/2)*8, pParam->edged_width/2); | ||
821 : | |||
822 : | pMB->sad16 += sad8(pCurrent->v + (x + y*(pParam->edged_width/2))*8, | ||
823 : | pRef->v + (x + y*(pParam->edged_width/2))*8, pParam->edged_width/2); | ||
824 : | } | ||
825 : | |||
826 : | sad00 = pMB->sad16; //if no gmc; else sad00 = (..) | ||
827 : | |||
828 : | chl | 1.44.2.1 | if (!(current->global_flags & XVID_LUMIMASKING)) { |
829 : | pMB->dquant = NO_CHANGE; | ||
830 : | syskin | 1.44.2.11 | pMB->quant = current->quant; |
831 : | } else { | ||
832 : | syskin | 1.44.2.5 | if (pMB->dquant != NO_CHANGE) { |
833 : | quant += DQtab[pMB->dquant]; | ||
834 : | if (quant > 31) quant = 31; | ||
835 : | else if (quant < 1) quant = 1; | ||
836 : | } | ||
837 : | syskin | 1.44.2.11 | pMB->quant = quant; |
838 : | } | ||
839 : | chl | 1.44.2.1 | |
840 : | syskin | 1.44.2.14 | //initial skip decision |
841 : | chl | 1.44.2.13 | /* no early skip for GMC (global vector = skip vector is unknown!) */ |
842 : | if (current->coding_type == P_VOP) { /* no fast SKIP for S(GMC)-VOPs */ | ||
843 : | syskin | 1.44.2.32 | if (pMB->dquant == NO_CHANGE && sad00 < pMB->quant * INITIAL_SKIP_THRESH * (Data.rrv ? 4:1) ) |
844 : | if (Data.chroma || SkipDecisionP(pCurrent, pRef, x, y, pParam->edged_width, pMB->quant, Data.rrv)) { | ||
845 : | chl | 1.44.2.13 | SkipMacroblockP(pMB, sad00); |
846 : | continue; | ||
847 : | } | ||
848 : | } | ||
849 : | syskin | 1.44.2.14 | |
850 : | SearchP(pRef, pRefH->y, pRefV->y, pRefHV->y, pCurrent, x, | ||
851 : | chl | 1.44.2.1 | y, current->motion_flags, pMB->quant, |
852 : | Isibaar | 1.44.2.2 | &Data, pParam, pMBs, reference->mbs, |
853 : | chl | 1.44.2.1 | current->global_flags & XVID_INTER4V, pMB); |
854 : | |||
855 : | /* final skip decision, a.k.a. "the vector you found, really that good?" */ | ||
856 : | chl | 1.44.2.13 | if (current->coding_type == P_VOP) { |
857 : | if ( (pMB->dquant == NO_CHANGE) && (sad00 < pMB->quant * MAX_SAD00_FOR_SKIP) | ||
858 : | syskin | 1.44.2.32 | && ((100*pMB->sad16)/(sad00+1) > FINAL_SKIP_THRESH * (Data.rrv ? 4:1)) ) |
859 : | if (Data.chroma || SkipDecisionP(pCurrent, pRef, x, y, pParam->edged_width, pMB->quant, Data.rrv)) { | ||
860 : | chl | 1.44.2.13 | SkipMacroblockP(pMB, sad00); |
861 : | continue; | ||
862 : | } | ||
863 : | } | ||
864 : | syskin | 1.44.2.14 | |
865 : | chl | 1.44.2.1 | /* finally, intra decision */ |
866 : | Isibaar | 1.1 | |
867 : | chl | 1.44.2.1 | InterBias = MV16_INTER_BIAS; |
868 : | syskin | 1.44.2.16 | if (pMB->quant > 8) InterBias += 100 * (pMB->quant - 8); // to make high quants work |
869 : | chl | 1.44.2.1 | if (y != 0) |
870 : | syskin | 1.44.2.16 | if ((pMB - pParam->mb_width)->mode == MODE_INTRA ) InterBias -= 80; |
871 : | chl | 1.44.2.1 | if (x != 0) |
872 : | syskin | 1.44.2.16 | if ((pMB - 1)->mode == MODE_INTRA ) InterBias -= 80; |
873 : | syskin | 1.44.2.14 | |
874 : | if (Data.chroma) InterBias += 50; // to compensate bigger SAD | ||
875 : | syskin | 1.44.2.32 | if (Data.rrv) InterBias *= 4; //?? |
876 : | chl | 1.44.2.1 | |
877 : | if (InterBias < pMB->sad16) { | ||
878 : | syskin | 1.44.2.32 | int32_t deviation; |
879 : | if (Data.rrv) { | ||
880 : | deviation = dev16(pCurrent->y + (x + y * pParam->edged_width) * 32, | ||
881 : | pParam->edged_width) | ||
882 : | + dev16(pCurrent->y + (x + y * pParam->edged_width) * 32 + 16, | ||
883 : | pParam->edged_width) | ||
884 : | + dev16(pCurrent->y + (x + y * pParam->edged_width) * 32 + 16 * pParam->edged_width, | ||
885 : | pParam->edged_width) | ||
886 : | + dev16(pCurrent->y + (x + y * pParam->edged_width) * 32 + 16 * (pParam->edged_width+1), | ||
887 : | pParam->edged_width); | ||
888 : | } else | ||
889 : | deviation = dev16(pCurrent->y + (x + y * pParam->edged_width) * 16, | ||
890 : | chl | 1.44.2.1 | pParam->edged_width); |
891 : | edgomez | 1.20 | |
892 : | syskin | 1.44.2.32 | if (deviation < (pMB->sad16 - InterBias)) { |
893 : | Isibaar | 1.44.2.7 | if (++iIntra >= iLimit) { free(qimage); return 1; } |
894 : | chl | 1.44.2.1 | pMB->mode = MODE_INTRA; |
895 : | Isibaar | 1.44.2.2 | pMB->mvs[0] = pMB->mvs[1] = pMB->mvs[2] = |
896 : | pMB->mvs[3] = zeroMV; | ||
897 : | Isibaar | 1.44.2.7 | pMB->qmvs[0] = pMB->qmvs[1] = pMB->qmvs[2] = |
898 : | pMB->qmvs[3] = zeroMV; | ||
899 : | chl | 1.44.2.1 | pMB->sad16 = pMB->sad8[0] = pMB->sad8[1] = pMB->sad8[2] = |
900 : | pMB->sad8[3] = 0; | ||
901 : | } | ||
902 : | } | ||
903 : | } | ||
904 : | } | ||
905 : | Isibaar | 1.44.2.7 | free(qimage); |
906 : | chl | 1.44.2.13 | |
907 : | if (current->coding_type == S_VOP) /* first GMC step only for S(GMC)-VOPs */ | ||
908 : | syskin | 1.44.2.14 | current->GMC_MV = GlobalMotionEst( pMBs, pParam, current->fcode ); |
909 : | chl | 1.44.2.13 | else |
910 : | current->GMC_MV = zeroMV; | ||
911 : | |||
912 : | syskin | 1.44.2.14 | return 0; |
913 : | chl | 1.44.2.1 | } |
914 : | chl | 1.18 | |
915 : | edgomez | 1.20 | |
916 : | chl | 1.44.2.1 | #define PMV_HALFPEL16 (PMV_HALFPELDIAMOND16|PMV_HALFPELREFINE16) |
917 : | edgomez | 1.20 | |
918 : | chl | 1.44.2.1 | static __inline int |
919 : | make_mask(const VECTOR * const pmv, const int i) | ||
920 : | { | ||
921 : | Isibaar | 1.44.2.2 | int mask = 255, j; |
922 : | chl | 1.44.2.1 | for (j = 0; j < i; j++) { |
923 : | if (MVequal(pmv[i], pmv[j])) return 0; // same vector has been checked already | ||
924 : | if (pmv[i].x == pmv[j].x) { | ||
925 : | if (pmv[i].y == pmv[j].y + iDiamondSize) { mask &= ~4; continue; } | ||
926 : | if (pmv[i].y == pmv[j].y - iDiamondSize) { mask &= ~8; continue; } | ||
927 : | } else | ||
928 : | if (pmv[i].y == pmv[j].y) { | ||
929 : | if (pmv[i].x == pmv[j].x + iDiamondSize) { mask &= ~1; continue; } | ||
930 : | if (pmv[i].x == pmv[j].x - iDiamondSize) { mask &= ~2; continue; } | ||
931 : | } | ||
932 : | } | ||
933 : | return mask; | ||
934 : | } | ||
935 : | |||
936 : | static __inline void | ||
937 : | syskin | 1.44.2.32 | PreparePredictionsP(VECTOR * const pmv, int x, int y, int iWcount, |
938 : | int iHcount, const MACROBLOCK * const prevMB, int rrv) | ||
939 : | chl | 1.44.2.1 | { |
940 : | |||
941 : | //this function depends on get_pmvdata which means that it sucks. It should get the predictions by itself | ||
942 : | syskin | 1.44.2.32 | if (rrv) { iWcount /= 2; iHcount /= 2; } |
943 : | chl | 1.44.2.1 | |
944 : | syskin | 1.44.2.32 | if ( (y != 0) && (x < (iWcount-1)) ) { // [5] top-right neighbour |
945 : | chl | 1.44.2.1 | pmv[5].x = EVEN(pmv[3].x); |
946 : | Isibaar | 1.44.2.2 | pmv[5].y = EVEN(pmv[3].y); |
947 : | } else pmv[5].x = pmv[5].y = 0; | ||
948 : | chl | 1.44.2.1 | |
949 : | if (x != 0) { pmv[3].x = EVEN(pmv[1].x); pmv[3].y = EVEN(pmv[1].y); }// pmv[3] is left neighbour | ||
950 : | else pmv[3].x = pmv[3].y = 0; | ||
951 : | |||
952 : | if (y != 0) { pmv[4].x = EVEN(pmv[2].x); pmv[4].y = EVEN(pmv[2].y); }// [4] top neighbour | ||
953 : | else pmv[4].x = pmv[4].y = 0; | ||
954 : | |||
955 : | // [1] median prediction | ||
956 : | syskin | 1.44.2.32 | if (rrv) { //median is in halfzero-precision |
957 : | pmv[1].x = RRV_MV_SCALEUP(pmv[0].x); | ||
958 : | pmv[1].y = RRV_MV_SCALEUP(pmv[0].y); | ||
959 : | } else { pmv[1].x = EVEN(pmv[0].x); pmv[1].y = EVEN(pmv[0].y); } | ||
960 : | chl | 1.44.2.1 | |
961 : | pmv[0].x = pmv[0].y = 0; // [0] is zero; not used in the loop (checked before) but needed here for make_mask | ||
962 : | |||
963 : | pmv[2].x = EVEN(prevMB->mvs[0].x); // [2] is last frame | ||
964 : | pmv[2].y = EVEN(prevMB->mvs[0].y); | ||
965 : | |||
966 : | syskin | 1.44.2.32 | if ((x < iWcount-1) && (y < iHcount-1)) { |
967 : | chl | 1.44.2.1 | pmv[6].x = EVEN((prevMB+1+iWcount)->mvs[0].x); //[6] right-down neighbour in last frame |
968 : | Isibaar | 1.44.2.2 | pmv[6].y = EVEN((prevMB+1+iWcount)->mvs[0].y); |
969 : | } else pmv[6].x = pmv[6].y = 0; | ||
970 : | syskin | 1.44.2.32 | |
971 : | if (rrv) { | ||
972 : | int i; | ||
973 : | for (i = 0; i < 7; i++) { | ||
974 : | pmv[i].x = RRV_MV_SCALEDOWN(pmv[i].x); | ||
975 : | pmv[i].x = RRV_MV_SCALEUP(pmv[i].x); // a trick | ||
976 : | } | ||
977 : | } | ||
978 : | chl | 1.44.2.1 | } |
979 : | |||
980 : | static void | ||
981 : | syskin | 1.44.2.14 | SearchP(const IMAGE * const pRef, |
982 : | chl | 1.44.2.1 | const uint8_t * const pRefH, |
983 : | const uint8_t * const pRefV, | ||
984 : | const uint8_t * const pRefHV, | ||
985 : | const IMAGE * const pCur, | ||
986 : | const int x, | ||
987 : | const int y, | ||
988 : | const uint32_t MotionFlags, | ||
989 : | const uint32_t iQuant, | ||
990 : | Isibaar | 1.44.2.2 | SearchData * const Data, |
991 : | chl | 1.44.2.1 | const MBParam * const pParam, |
992 : | const MACROBLOCK * const pMBs, | ||
993 : | const MACROBLOCK * const prevMBs, | ||
994 : | int inter4v, | ||
995 : | MACROBLOCK * const pMB) | ||
996 : | { | ||
997 : | Isibaar | 1.1 | |
998 : | chl | 1.44.2.1 | int i, iDirection = 255, mask, threshA; |
999 : | Isibaar | 1.44.2.2 | VECTOR pmv[7]; |
1000 : | chl | 1.44.2.1 | |
1001 : | syskin | 1.44.2.32 | if (Data->rrv) { |
1002 : | i = (pParam->width + 31) / 32; | ||
1003 : | get_range_rrv(&Data->min_dx, &Data->max_dx, &Data->min_dy, &Data->max_dy, x, y, 32, | ||
1004 : | pParam->width, pParam->height, Data->iFcode); | ||
1005 : | } else { | ||
1006 : | i = pParam->mb_width; | ||
1007 : | get_range(&Data->min_dx, &Data->max_dx, &Data->min_dy, &Data->max_dy, x, y, 16, | ||
1008 : | pParam->width, pParam->height, Data->iFcode - pParam->m_quarterpel); | ||
1009 : | } | ||
1010 : | |||
1011 : | i = pParam->mb_width; // XXXX | ||
1012 : | get_pmvdata2(pMBs, i, 0, x, y, 0, pmv, Data->temp); //has to be changed to get_pmv(2)() | ||
1013 : | |||
1014 : | if (Data->rrv) i = 2; else i = 1; | ||
1015 : | Data->Cur = pCur->y + (x + y * Data->iEdgedWidth) * 16*i; | ||
1016 : | Data->CurV = pCur->v + (x + y * (Data->iEdgedWidth/2)) * 8*i; | ||
1017 : | Data->CurU = pCur->u + (x + y * (Data->iEdgedWidth/2)) * 8*i; | ||
1018 : | |||
1019 : | Data->Ref = pRef->y + (x + Data->iEdgedWidth*y) * 16*i; | ||
1020 : | Data->RefH = pRefH + (x + Data->iEdgedWidth*y) * 16*i; | ||
1021 : | Data->RefV = pRefV + (x + Data->iEdgedWidth*y) * 16*i; | ||
1022 : | Data->RefHV = pRefHV + (x + Data->iEdgedWidth*y) * 16*i; | ||
1023 : | Data->RefCV = pRef->v + (x + y * (Data->iEdgedWidth/2)) * 8*i; | ||
1024 : | Data->RefCU = pRef->u + (x + y * (Data->iEdgedWidth/2)) * 8*i; | ||
1025 : | Isibaar | 1.1 | |
1026 : | syskin | 1.44.2.11 | Data->lambda16 = lambda_vec16[iQuant]; |
1027 : | Isibaar | 1.44.2.12 | Data->lambda8 = lambda_vec8[iQuant]; |
1028 : | syskin | 1.44.2.22 | Data->qpel_precision = 0; |
1029 : | Isibaar | 1.1 | |
1030 : | edgomez | 1.44.2.4 | if (pMB->dquant != NO_CHANGE) inter4v = 0; |
1031 : | Isibaar | 1.44.2.2 | |
1032 : | Isibaar | 1.44.2.7 | for(i = 0; i < 5; i++) |
1033 : | Data->currentMV[i].x = Data->currentMV[i].y = 0; | ||
1034 : | chl | 1.44.2.1 | |
1035 : | syskin | 1.44.2.22 | if (pParam->m_quarterpel) Data->predMV = get_qpmv2(pMBs, pParam->mb_width, 0, x, y, 0); |
1036 : | else Data->predMV = pmv[0]; | ||
1037 : | Isibaar | 1.44.2.12 | |
1038 : | syskin | 1.44.2.22 | i = d_mv_bits(Data->predMV.x, Data->predMV.y, Data->iFcode); |
1039 : | syskin | 1.44.2.14 | Data->iMinSAD[0] = pMB->sad16 + (Data->lambda16 * i * pMB->sad16)/1000; |
1040 : | Data->iMinSAD[1] = pMB->sad8[0] + (Data->lambda8 * i * (pMB->sad8[0]+NEIGH_8X8_BIAS))/100; | ||
1041 : | Isibaar | 1.44.2.2 | Data->iMinSAD[2] = pMB->sad8[1]; |
1042 : | Data->iMinSAD[3] = pMB->sad8[2]; | ||
1043 : | Data->iMinSAD[4] = pMB->sad8[3]; | ||
1044 : | chl | 1.44.2.1 | |
1045 : | if ((x == 0) && (y == 0)) threshA = 512; | ||
1046 : | else { | ||
1047 : | edgomez | 1.44.2.4 | threshA = Data->temp[0]; // that's when we keep this SAD atm |
1048 : | chl | 1.44.2.1 | if (threshA < 512) threshA = 512; |
1049 : | if (threshA > 1024) threshA = 1024; } | ||
1050 : | |||
1051 : | PreparePredictionsP(pmv, x, y, pParam->mb_width, pParam->mb_height, | ||
1052 : | syskin | 1.44.2.32 | prevMBs + x + y * pParam->mb_width, Data->rrv); |
1053 : | chl | 1.44.2.1 | |
1054 : | syskin | 1.44.2.32 | if (Data->rrv) CheckCandidate = CheckCandidate32; |
1055 : | else if (inter4v || Data->chroma) CheckCandidate = CheckCandidate16; | ||
1056 : | else CheckCandidate = CheckCandidate16no4v; //for extra speed | ||
1057 : | edgomez | 1.44.2.4 | |
1058 : | chl | 1.44.2.1 | /* main loop. checking all predictions */ |
1059 : | |||
1060 : | for (i = 1; i < 7; i++) { | ||
1061 : | if (!(mask = make_mask(pmv, i)) ) continue; | ||
1062 : | edgomez | 1.44.2.4 | (*CheckCandidate)(pmv[i].x, pmv[i].y, mask, &iDirection, Data); |
1063 : | Isibaar | 1.44.2.2 | if (Data->iMinSAD[0] <= threshA) break; |
1064 : | chl | 1.44.2.1 | } |
1065 : | |||
1066 : | Isibaar | 1.44.2.2 | if ((Data->iMinSAD[0] <= threshA) || |
1067 : | (MVequal(Data->currentMV[0], (prevMBs+x+y*pParam->mb_width)->mvs[0]) && | ||
1068 : | (Data->iMinSAD[0] < (prevMBs+x+y*pParam->mb_width)->sad16))) { | ||
1069 : | chl | 1.44.2.1 | inter4v = 0; |
1070 : | Isibaar | 1.44.2.2 | } else { |
1071 : | edgomez | 1.20 | |
1072 : | Isibaar | 1.44.2.2 | MainSearchFunc * MainSearchPtr; |
1073 : | if (MotionFlags & PMV_USESQUARES16) MainSearchPtr = SquareSearch; | ||
1074 : | else if (MotionFlags & PMV_ADVANCEDDIAMOND16) MainSearchPtr = AdvDiamondSearch; | ||
1075 : | else MainSearchPtr = DiamondSearch; | ||
1076 : | chl | 1.35 | |
1077 : | Isibaar | 1.44.2.2 | (*MainSearchPtr)(Data->currentMV->x, Data->currentMV->y, Data, iDirection); |
1078 : | chl | 1.13 | |
1079 : | chl | 1.44.2.1 | /* extended search, diamond starting in 0,0 and in prediction. |
1080 : | note that this search is/might be done in halfpel positions, | ||
1081 : | which makes it more different than the diamond above */ | ||
1082 : | Isibaar | 1.1 | |
1083 : | Isibaar | 1.44.2.2 | if (MotionFlags & PMV_EXTSEARCH16) { |
1084 : | int32_t bSAD; | ||
1085 : | VECTOR startMV = Data->predMV, backupMV = Data->currentMV[0]; | ||
1086 : | syskin | 1.44.2.32 | if (Data->rrv) { |
1087 : | startMV.x = RRV_MV_SCALEUP(startMV.x); | ||
1088 : | startMV.y = RRV_MV_SCALEUP(startMV.y); | ||
1089 : | } else | ||
1090 : | if (!(MotionFlags & PMV_HALFPELREFINE16)) // who's gonna use extsearch and no halfpel? | ||
1091 : | startMV.x = EVEN(startMV.x); startMV.y = EVEN(startMV.y); | ||
1092 : | Isibaar | 1.44.2.2 | if (!(MVequal(startMV, backupMV))) { |
1093 : | bSAD = Data->iMinSAD[0]; Data->iMinSAD[0] = MV_MAX_ERROR; | ||
1094 : | |||
1095 : | Isibaar | 1.44.2.12 | (*CheckCandidate)(startMV.x, startMV.y, 255, &iDirection, Data); |
1096 : | Isibaar | 1.44.2.2 | (*MainSearchPtr)(startMV.x, startMV.y, Data, 255); |
1097 : | if (bSAD < Data->iMinSAD[0]) { | ||
1098 : | Data->currentMV[0] = backupMV; | ||
1099 : | Data->iMinSAD[0] = bSAD; } | ||
1100 : | } | ||
1101 : | chl | 1.13 | |
1102 : | Isibaar | 1.44.2.2 | backupMV = Data->currentMV[0]; |
1103 : | syskin | 1.44.2.32 | if (!MotionFlags & PMV_HALFPELREFINE16 || Data->rrv) startMV.x = startMV.y = 0; |
1104 : | else startMV.x = startMV.y = 1; | ||
1105 : | Isibaar | 1.44.2.2 | if (!(MVequal(startMV, backupMV))) { |
1106 : | bSAD = Data->iMinSAD[0]; Data->iMinSAD[0] = MV_MAX_ERROR; | ||
1107 : | |||
1108 : | Isibaar | 1.44.2.12 | (*CheckCandidate)(startMV.x, startMV.y, 255, &iDirection, Data); |
1109 : | Isibaar | 1.44.2.2 | (*MainSearchPtr)(startMV.x, startMV.y, Data, 255); |
1110 : | if (bSAD < Data->iMinSAD[0]) { | ||
1111 : | Data->currentMV[0] = backupMV; | ||
1112 : | Data->iMinSAD[0] = bSAD; } | ||
1113 : | } | ||
1114 : | chl | 1.44.2.1 | } |
1115 : | } | ||
1116 : | chl | 1.13 | |
1117 : | syskin | 1.44.2.22 | if (MotionFlags & PMV_HALFPELREFINE16) SubpelRefine(Data); |
1118 : | Isibaar | 1.1 | |
1119 : | Isibaar | 1.44.2.7 | for(i = 0; i < 5; i++) { |
1120 : | Data->currentQMV[i].x = 2 * Data->currentMV[i].x; // initialize qpel vectors | ||
1121 : | Data->currentQMV[i].y = 2 * Data->currentMV[i].y; | ||
1122 : | } | ||
1123 : | |||
1124 : | syskin | 1.44.2.32 | if((!Data->rrv) && (pParam->m_quarterpel) && (MotionFlags & PMV_QUARTERPELREFINE16)) { |
1125 : | Isibaar | 1.44.2.7 | |
1126 : | syskin | 1.44.2.22 | Data->qpel_precision = 1; |
1127 : | syskin | 1.44.2.30 | get_range_qpel(&Data->min_dx, &Data->max_dx, &Data->min_dy, &Data->max_dy, x, y, 16, |
1128 : | pParam->width, pParam->height, Data->iFcode); | ||
1129 : | syskin | 1.44.2.8 | |
1130 : | syskin | 1.44.2.22 | SubpelRefine(Data); |
1131 : | Isibaar | 1.44.2.7 | } |
1132 : | |||
1133 : | syskin | 1.44.2.14 | if (Data->iMinSAD[0] < (int32_t)iQuant * 30 ) inter4v = 0; |
1134 : | Isibaar | 1.44.2.2 | if (inter4v) { |
1135 : | SearchData Data8; | ||
1136 : | Data8.iFcode = Data->iFcode; | ||
1137 : | Isibaar | 1.44.2.12 | Data8.lambda8 = Data->lambda8; |
1138 : | Isibaar | 1.44.2.2 | Data8.iEdgedWidth = Data->iEdgedWidth; |
1139 : | Isibaar | 1.44.2.12 | Data8.RefQ = Data->RefQ; |
1140 : | syskin | 1.44.2.14 | Data8.qpel = Data->qpel; |
1141 : | syskin | 1.44.2.32 | Data8.rrv = Data->rrv; |
1142 : | Isibaar | 1.44.2.2 | Search8(Data, 2*x, 2*y, MotionFlags, pParam, pMB, pMBs, 0, &Data8); |
1143 : | Search8(Data, 2*x + 1, 2*y, MotionFlags, pParam, pMB, pMBs, 1, &Data8); | ||
1144 : | Search8(Data, 2*x, 2*y + 1, MotionFlags, pParam, pMB, pMBs, 2, &Data8); | ||
1145 : | Search8(Data, 2*x + 1, 2*y + 1, MotionFlags, pParam, pMB, pMBs, 3, &Data8); | ||
1146 : | syskin | 1.44.2.14 | |
1147 : | if (Data->chroma) { | ||
1148 : | syskin | 1.44.2.22 | int sumx, sumy, dx, dy; |
1149 : | syskin | 1.44.2.14 | |
1150 : | if(pParam->m_quarterpel) { | ||
1151 : | syskin | 1.44.2.22 | sumx= pMB->qmvs[0].x/2 + pMB->qmvs[1].x/2 + pMB->qmvs[2].x/2 + pMB->qmvs[3].x/2; |
1152 : | sumy = pMB->qmvs[0].y/2 + pMB->qmvs[1].y/2 + pMB->qmvs[2].y/2 + pMB->qmvs[3].y/2; | ||
1153 : | } else { | ||
1154 : | sumx = pMB->mvs[0].x + pMB->mvs[1].x + pMB->mvs[2].x + pMB->mvs[3].x; | ||
1155 : | sumy = pMB->mvs[0].y + pMB->mvs[1].y + pMB->mvs[2].y + pMB->mvs[3].y; | ||
1156 : | } | ||
1157 : | dx = (sumx >> 3) + roundtab_76[sumx & 0xf]; | ||
1158 : | dy = (sumy >> 3) + roundtab_76[sumy & 0xf]; | ||
1159 : | syskin | 1.44.2.14 | |
1160 : | Data->iMinSAD[1] += ChromaSAD(dx, dy, Data); | ||
1161 : | } | ||
1162 : | Isibaar | 1.44.2.2 | } |
1163 : | chl | 1.13 | |
1164 : | syskin | 1.44.2.32 | if (Data->rrv) { |
1165 : | Data->currentMV[0].x = RRV_MV_SCALEDOWN(Data->currentMV[0].x); | ||
1166 : | Data->currentMV[0].y = RRV_MV_SCALEDOWN(Data->currentMV[0].y); | ||
1167 : | } | ||
1168 : | chl | 1.44.2.1 | if (!(inter4v) || |
1169 : | Isibaar | 1.44.2.2 | (Data->iMinSAD[0] < Data->iMinSAD[1] + Data->iMinSAD[2] + |
1170 : | Data->iMinSAD[3] + Data->iMinSAD[4] + IMV16X16 * (int32_t)iQuant )) { | ||
1171 : | chl | 1.44.2.1 | // INTER MODE |
1172 : | pMB->mode = MODE_INTER; | ||
1173 : | Isibaar | 1.44.2.2 | pMB->mvs[0] = pMB->mvs[1] |
1174 : | = pMB->mvs[2] = pMB->mvs[3] = Data->currentMV[0]; | ||
1175 : | edgomez | 1.20 | |
1176 : | chl | 1.44.2.1 | pMB->sad16 = pMB->sad8[0] = pMB->sad8[1] = |
1177 : | Isibaar | 1.44.2.2 | pMB->sad8[2] = pMB->sad8[3] = Data->iMinSAD[0]; |
1178 : | chl | 1.13 | |
1179 : | Isibaar | 1.44.2.7 | if(pParam->m_quarterpel) { |
1180 : | syskin | 1.44.2.22 | pMB->qmvs[0] = pMB->qmvs[1] |
1181 : | = pMB->qmvs[2] = pMB->qmvs[3] = Data->currentQMV[0]; | ||
1182 : | pMB->pmvs[0].x = Data->currentQMV[0].x - Data->predMV.x; | ||
1183 : | pMB->pmvs[0].y = Data->currentQMV[0].y - Data->predMV.y; | ||
1184 : | syskin | 1.44.2.14 | } else { |
1185 : | Isibaar | 1.44.2.7 | pMB->pmvs[0].x = Data->currentMV[0].x - Data->predMV.x; |
1186 : | pMB->pmvs[0].y = Data->currentMV[0].y - Data->predMV.y; | ||
1187 : | } | ||
1188 : | chl | 1.44.2.1 | } else { |
1189 : | // INTER4V MODE; all other things are already set in Search8 | ||
1190 : | pMB->mode = MODE_INTER4V; | ||
1191 : | Isibaar | 1.44.2.2 | pMB->sad16 = Data->iMinSAD[1] + Data->iMinSAD[2] + |
1192 : | Data->iMinSAD[3] + Data->iMinSAD[4] + IMV16X16 * iQuant; | ||
1193 : | chl | 1.44.2.1 | } |
1194 : | } | ||
1195 : | edgomez | 1.20 | |
1196 : | chl | 1.44.2.1 | static void |
1197 : | Search8(const SearchData * const OldData, | ||
1198 : | const int x, const int y, | ||
1199 : | const uint32_t MotionFlags, | ||
1200 : | const MBParam * const pParam, | ||
1201 : | MACROBLOCK * const pMB, | ||
1202 : | const MACROBLOCK * const pMBs, | ||
1203 : | Isibaar | 1.44.2.2 | const int block, |
1204 : | SearchData * const Data) | ||
1205 : | chl | 1.44.2.1 | { |
1206 : | syskin | 1.44.2.32 | int i = 0; |
1207 : | Isibaar | 1.44.2.2 | Data->iMinSAD = OldData->iMinSAD + 1 + block; |
1208 : | Data->currentMV = OldData->currentMV + 1 + block; | ||
1209 : | Isibaar | 1.44.2.7 | Data->currentQMV = OldData->currentQMV + 1 + block; |
1210 : | |||
1211 : | syskin | 1.44.2.11 | if(pParam->m_quarterpel) { |
1212 : | syskin | 1.44.2.32 | Data->predMV = get_qpmv2(pMBs, pParam->mb_width, 0, x/2, y/2, block); |
1213 : | if (block != 0) i = d_mv_bits( Data->currentQMV->x - Data->predMV.x, | ||
1214 : | Data->currentQMV->y - Data->predMV.y, Data->iFcode); | ||
1215 : | Isibaar | 1.44.2.12 | } else { |
1216 : | syskin | 1.44.2.32 | Data->predMV = get_pmv2(pMBs, pParam->mb_width, 0, x/2, y/2, block); |
1217 : | if (block != 0) { | ||
1218 : | if (Data->rrv) i = d_mv_bits( RRV_MV_SCALEDOWN(Data->currentMV->x) - Data->predMV.x, | ||
1219 : | RRV_MV_SCALEDOWN(Data->currentMV->y) - Data->predMV.y, | ||
1220 : | Data->iFcode); | ||
1221 : | else i = d_mv_bits( Data->currentMV->x - Data->predMV.x, | ||
1222 : | Data->currentMV->y - Data->predMV.y, Data->iFcode); | ||
1223 : | } | ||
1224 : | Isibaar | 1.44.2.12 | } |
1225 : | Isibaar | 1.1 | |
1226 : | syskin | 1.44.2.32 | *(Data->iMinSAD) += (Data->lambda8 * i * (*Data->iMinSAD + NEIGH_8X8_BIAS))/100; |
1227 : | |||
1228 : | chl | 1.44.2.1 | if (MotionFlags & (PMV_EXTSEARCH8|PMV_HALFPELREFINE8)) { |
1229 : | syskin | 1.44.2.32 | if (Data->rrv) i = 2; else i = 1; |
1230 : | edgomez | 1.20 | |
1231 : | syskin | 1.44.2.32 | Data->Ref = OldData->Ref + i*8 * ((block&1) + pParam->edged_width*(block>>1)); |
1232 : | Data->RefH = OldData->RefH + i*8 * ((block&1) + pParam->edged_width*(block>>1)); | ||
1233 : | Data->RefV = OldData->RefV + i*8 * ((block&1) + pParam->edged_width*(block>>1)); | ||
1234 : | Data->RefHV = OldData->RefHV + i*8 * ((block&1) + pParam->edged_width*(block>>1)); | ||
1235 : | Isibaar | 1.1 | |
1236 : | syskin | 1.44.2.32 | Data->Cur = OldData->Cur + i*8 * ((block&1) + pParam->edged_width*(block>>1)); |
1237 : | syskin | 1.44.2.22 | Data->qpel_precision = 0; |
1238 : | chl | 1.44.2.1 | |
1239 : | syskin | 1.44.2.32 | if (Data->rrv) { |
1240 : | get_range_rrv(&Data->min_dx, &Data->max_dx, &Data->min_dy, &Data->max_dy, x, y, 16, | ||
1241 : | pParam->width, pParam->height, OldData->iFcode); | ||
1242 : | CheckCandidate = CheckCandidate16no4v; | ||
1243 : | } else { | ||
1244 : | get_range(&Data->min_dx, &Data->max_dx, &Data->min_dy, &Data->max_dy, x, y, 8, | ||
1245 : | pParam->width, pParam->height, OldData->iFcode - pParam->m_quarterpel); | ||
1246 : | CheckCandidate = CheckCandidate8; | ||
1247 : | } | ||
1248 : | Isibaar | 1.1 | |
1249 : | chl | 1.44.2.1 | if (MotionFlags & PMV_EXTSEARCH8) { |
1250 : | Isibaar | 1.44.2.7 | int32_t temp_sad = *(Data->iMinSAD); // store current MinSAD |
1251 : | |||
1252 : | chl | 1.44.2.1 | MainSearchFunc *MainSearchPtr; |
1253 : | if (MotionFlags & PMV_USESQUARES8) MainSearchPtr = SquareSearch; | ||
1254 : | else if (MotionFlags & PMV_ADVANCEDDIAMOND8) MainSearchPtr = AdvDiamondSearch; | ||
1255 : | else MainSearchPtr = DiamondSearch; | ||
1256 : | Isibaar | 1.1 | |
1257 : | Isibaar | 1.44.2.7 | (*MainSearchPtr)(Data->currentMV->x, Data->currentMV->y, Data, 255); |
1258 : | Isibaar | 1.1 | |
1259 : | syskin | 1.44.2.11 | if(*(Data->iMinSAD) < temp_sad) { |
1260 : | Isibaar | 1.44.2.7 | Data->currentQMV->x = 2 * Data->currentMV->x; // update our qpel vector |
1261 : | Data->currentQMV->y = 2 * Data->currentMV->y; | ||
1262 : | } | ||
1263 : | } | ||
1264 : | |||
1265 : | if (MotionFlags & PMV_HALFPELREFINE8) { | ||
1266 : | int32_t temp_sad = *(Data->iMinSAD); // store current MinSAD | ||
1267 : | |||
1268 : | syskin | 1.44.2.22 | SubpelRefine(Data); // perform halfpel refine of current best vector |
1269 : | Isibaar | 1.44.2.7 | |
1270 : | if(*(Data->iMinSAD) < temp_sad) { // we have found a better match | ||
1271 : | Data->currentQMV->x = 2 * Data->currentMV->x; // update our qpel vector | ||
1272 : | Data->currentQMV->y = 2 * Data->currentMV->y; | ||
1273 : | } | ||
1274 : | } | ||
1275 : | |||
1276 : | syskin | 1.44.2.32 | if(!Data->rrv && pParam->m_quarterpel) { |
1277 : | syskin | 1.44.2.11 | if((!(Data->currentQMV->x & 1)) && (!(Data->currentQMV->y & 1)) && |
1278 : | (MotionFlags & PMV_QUARTERPELREFINE8)) { | ||
1279 : | syskin | 1.44.2.22 | Data->qpel_precision = 1; |
1280 : | syskin | 1.44.2.30 | get_range_qpel(&Data->min_dx, &Data->max_dx, &Data->min_dy, &Data->max_dy, x, y, 8, |
1281 : | pParam->width, pParam->height, OldData->iFcode); | ||
1282 : | syskin | 1.44.2.22 | SubpelRefine(Data); |
1283 : | syskin | 1.44.2.11 | } |
1284 : | Isibaar | 1.44.2.7 | } |
1285 : | } | ||
1286 : | |||
1287 : | syskin | 1.44.2.32 | if (Data->rrv) { |
1288 : | Data->currentMV->x = RRV_MV_SCALEDOWN(Data->currentMV->x); | ||
1289 : | Data->currentMV->y = RRV_MV_SCALEDOWN(Data->currentMV->y); | ||
1290 : | } | ||
1291 : | |||
1292 : | Isibaar | 1.44.2.7 | if(pParam->m_quarterpel) { |
1293 : | syskin | 1.44.2.22 | pMB->pmvs[block].x = Data->currentQMV->x - Data->predMV.x; |
1294 : | pMB->pmvs[block].y = Data->currentQMV->y - Data->predMV.y; | ||
1295 : | pMB->qmvs[block] = *(Data->currentQMV); | ||
1296 : | syskin | 1.44.2.32 | } else { |
1297 : | Isibaar | 1.44.2.7 | pMB->pmvs[block].x = Data->currentMV->x - Data->predMV.x; |
1298 : | pMB->pmvs[block].y = Data->currentMV->y - Data->predMV.y; | ||
1299 : | Isibaar | 1.1 | } |
1300 : | |||
1301 : | Isibaar | 1.44.2.2 | pMB->mvs[block] = *(Data->currentMV); |
1302 : | syskin | 1.44.2.11 | pMB->sad8[block] = 4 * (*Data->iMinSAD); |
1303 : | Isibaar | 1.1 | } |
1304 : | |||
1305 : | chl | 1.44.2.1 | /* B-frames code starts here */ |
1306 : | Isibaar | 1.1 | |
1307 : | chl | 1.44.2.1 | static __inline VECTOR |
1308 : | ChoosePred(const MACROBLOCK * const pMB, const uint32_t mode) | ||
1309 : | { | ||
1310 : | /* the stupidiest function ever */ | ||
1311 : | if (mode == MODE_FORWARD) return pMB->mvs[0]; | ||
1312 : | else return pMB->b_mvs[0]; | ||
1313 : | } | ||
1314 : | Isibaar | 1.1 | |
1315 : | chl | 1.44.2.1 | static void __inline |
1316 : | PreparePredictionsBF(VECTOR * const pmv, const int x, const int y, | ||
1317 : | const uint32_t iWcount, | ||
1318 : | const MACROBLOCK * const pMB, | ||
1319 : | const uint32_t mode_curr) | ||
1320 : | { | ||
1321 : | Isibaar | 1.1 | |
1322 : | chl | 1.44.2.1 | // [0] is prediction |
1323 : | pmv[0].x = EVEN(pmv[0].x); pmv[0].y = EVEN(pmv[0].y); | ||
1324 : | Isibaar | 1.1 | |
1325 : | chl | 1.44.2.1 | pmv[1].x = pmv[1].y = 0; // [1] is zero |
1326 : | Isibaar | 1.1 | |
1327 : | chl | 1.44.2.1 | pmv[2] = ChoosePred(pMB, mode_curr); |
1328 : | pmv[2].x = EVEN(pmv[2].x); pmv[2].y = EVEN(pmv[2].y); | ||
1329 : | Isibaar | 1.1 | |
1330 : | chl | 1.44.2.1 | if ((y != 0)&&(x != (int)(iWcount+1))) { // [3] top-right neighbour |
1331 : | pmv[3] = ChoosePred(pMB+1-iWcount, mode_curr); | ||
1332 : | Isibaar | 1.44.2.2 | pmv[3].x = EVEN(pmv[3].x); pmv[3].y = EVEN(pmv[3].y); |
1333 : | } else pmv[3].x = pmv[3].y = 0; | ||
1334 : | chl | 1.39 | |
1335 : | chl | 1.44.2.1 | if (y != 0) { |
1336 : | pmv[4] = ChoosePred(pMB-iWcount, mode_curr); | ||
1337 : | pmv[4].x = EVEN(pmv[4].x); pmv[4].y = EVEN(pmv[4].y); | ||
1338 : | } else pmv[4].x = pmv[4].y = 0; | ||
1339 : | chl | 1.39 | |
1340 : | chl | 1.44.2.1 | if (x != 0) { |
1341 : | pmv[5] = ChoosePred(pMB-1, mode_curr); | ||
1342 : | pmv[5].x = EVEN(pmv[5].x); pmv[5].y = EVEN(pmv[5].y); | ||
1343 : | } else pmv[5].x = pmv[5].y = 0; | ||
1344 : | chl | 1.39 | |
1345 : | chl | 1.44.2.1 | if ((x != 0)&&(y != 0)) { |
1346 : | pmv[6] = ChoosePred(pMB-1-iWcount, mode_curr); | ||
1347 : | pmv[6].x = EVEN(pmv[5].x); pmv[5].y = EVEN(pmv[5].y); | ||
1348 : | } else pmv[6].x = pmv[6].y = 0; | ||
1349 : | chl | 1.39 | |
1350 : | chl | 1.44.2.1 | // more? |
1351 : | chl | 1.39 | } |
1352 : | |||
1353 : | |||
1354 : | chl | 1.44.2.1 | /* search backward or forward, for b-frames */ |
1355 : | static void | ||
1356 : | SearchBF( const uint8_t * const pRef, | ||
1357 : | const uint8_t * const pRefH, | ||
1358 : | const uint8_t * const pRefV, | ||
1359 : | const uint8_t * const pRefHV, | ||
1360 : | const IMAGE * const pCur, | ||
1361 : | const int x, const int y, | ||
1362 : | const uint32_t MotionFlags, | ||
1363 : | const uint32_t iFcode, | ||
1364 : | const MBParam * const pParam, | ||
1365 : | MACROBLOCK * const pMB, | ||
1366 : | const VECTOR * const predMV, | ||
1367 : | int32_t * const best_sad, | ||
1368 : | h | 1.44.2.3 | const int32_t mode_current, |
1369 : | SearchData * const Data) | ||
1370 : | Isibaar | 1.1 | { |
1371 : | |||
1372 : | chl | 1.44.2.1 | const int32_t iEdgedWidth = pParam->edged_width; |
1373 : | |||
1374 : | int i, iDirection, mask; | ||
1375 : | h | 1.44.2.3 | VECTOR pmv[7]; |
1376 : | chl | 1.44.2.1 | MainSearchFunc *MainSearchPtr; |
1377 : | h | 1.44.2.3 | *Data->iMinSAD = MV_MAX_ERROR; |
1378 : | Data->iFcode = iFcode; | ||
1379 : | syskin | 1.44.2.22 | Data->qpel_precision = 0; |
1380 : | chl | 1.44.2.1 | |
1381 : | h | 1.44.2.3 | Data->Ref = pRef + (x + y * iEdgedWidth) * 16; |
1382 : | Data->RefH = pRefH + (x + y * iEdgedWidth) * 16; | ||
1383 : | Data->RefV = pRefV + (x + y * iEdgedWidth) * 16; | ||
1384 : | Data->RefHV = pRefHV + (x + y * iEdgedWidth) * 16; | ||
1385 : | chl | 1.44.2.1 | |
1386 : | h | 1.44.2.3 | Data->predMV = *predMV; |
1387 : | edgomez | 1.20 | |
1388 : | h | 1.44.2.3 | get_range(&Data->min_dx, &Data->max_dx, &Data->min_dy, &Data->max_dy, x, y, 16, |
1389 : | syskin | 1.44.2.30 | pParam->width, pParam->height, iFcode - pParam->m_quarterpel); |
1390 : | Isibaar | 1.1 | |
1391 : | h | 1.44.2.3 | pmv[0] = Data->predMV; |
1392 : | syskin | 1.44.2.19 | if (Data->qpel) { pmv[0].x /= 2; pmv[0].y /= 2; } |
1393 : | h | 1.44.2.3 | PreparePredictionsBF(pmv, x, y, pParam->mb_width, pMB, mode_current); |
1394 : | Isibaar | 1.1 | |
1395 : | h | 1.44.2.3 | Data->currentMV->x = Data->currentMV->y = 0; |
1396 : | chl | 1.44.2.1 | CheckCandidate = CheckCandidate16no4v; |
1397 : | edgomez | 1.20 | |
1398 : | chl | 1.44.2.1 | // main loop. checking all predictions |
1399 : | for (i = 0; i < 8; i++) { | ||
1400 : | if (!(mask = make_mask(pmv, i)) ) continue; | ||
1401 : | h | 1.44.2.3 | CheckCandidate16no4v(pmv[i].x, pmv[i].y, mask, &iDirection, Data); |
1402 : | edgomez | 1.20 | } |
1403 : | |||
1404 : | chl | 1.44.2.1 | if (MotionFlags & PMV_USESQUARES16) |
1405 : | MainSearchPtr = SquareSearch; | ||
1406 : | else if (MotionFlags & PMV_ADVANCEDDIAMOND16) | ||
1407 : | MainSearchPtr = AdvDiamondSearch; | ||
1408 : | else MainSearchPtr = DiamondSearch; | ||
1409 : | Isibaar | 1.1 | |
1410 : | h | 1.44.2.3 | (*MainSearchPtr)(Data->currentMV->x, Data->currentMV->y, Data, 255); |
1411 : | Isibaar | 1.1 | |
1412 : | syskin | 1.44.2.22 | SubpelRefine(Data); |
1413 : | syskin | 1.44.2.19 | |
1414 : | if (Data->qpel) { | ||
1415 : | Data->currentQMV->x = 2*Data->currentMV->x; | ||
1416 : | Data->currentQMV->y = 2*Data->currentMV->y; | ||
1417 : | syskin | 1.44.2.22 | Data->qpel_precision = 1; |
1418 : | syskin | 1.44.2.30 | get_range_qpel(&Data->min_dx, &Data->max_dx, &Data->min_dy, &Data->max_dy, x, y, 16, |
1419 : | pParam->width, pParam->height, iFcode); | ||
1420 : | syskin | 1.44.2.22 | SubpelRefine(Data); |
1421 : | syskin | 1.44.2.19 | } |
1422 : | Isibaar | 1.1 | |
1423 : | chl | 1.44.2.1 | // three bits are needed to code backward mode. four for forward |
1424 : | // we treat the bits just like they were vector's | ||
1425 : | syskin | 1.44.2.14 | if (mode_current == MODE_FORWARD) *Data->iMinSAD += 4 * Data->lambda16; |
1426 : | else *Data->iMinSAD += 3 * Data->lambda16; | ||
1427 : | chl | 1.44.2.1 | |
1428 : | h | 1.44.2.3 | if (*Data->iMinSAD < *best_sad) { |
1429 : | *best_sad = *Data->iMinSAD; | ||
1430 : | chl | 1.44.2.1 | pMB->mode = mode_current; |
1431 : | syskin | 1.44.2.19 | if (Data->qpel) { |
1432 : | pMB->pmvs[0].x = Data->currentQMV->x - predMV->x; | ||
1433 : | pMB->pmvs[0].y = Data->currentQMV->y - predMV->y; | ||
1434 : | if (mode_current == MODE_FORWARD) | ||
1435 : | pMB->qmvs[0] = *Data->currentQMV; | ||
1436 : | else | ||
1437 : | pMB->b_qmvs[0] = *Data->currentQMV; | ||
1438 : | } else { | ||
1439 : | pMB->pmvs[0].x = Data->currentMV->x - predMV->x; | ||
1440 : | pMB->pmvs[0].y = Data->currentMV->y - predMV->y; | ||
1441 : | } | ||
1442 : | if (mode_current == MODE_FORWARD) | ||
1443 : | pMB->mvs[0] = *(Data->currentMV+2) = *Data->currentMV; | ||
1444 : | else | ||
1445 : | pMB->b_mvs[0] = *(Data->currentMV+1) = *Data->currentMV; //we store currmv for interpolate search | ||
1446 : | |||
1447 : | Isibaar | 1.1 | } |
1448 : | chl | 1.44.2.1 | |
1449 : | } | ||
1450 : | |||
1451 : | static int32_t | ||
1452 : | Isibaar | 1.44.2.2 | SearchDirect(const IMAGE * const f_Ref, |
1453 : | chl | 1.44.2.1 | const uint8_t * const f_RefH, |
1454 : | const uint8_t * const f_RefV, | ||
1455 : | const uint8_t * const f_RefHV, | ||
1456 : | Isibaar | 1.44.2.2 | const IMAGE * const b_Ref, |
1457 : | chl | 1.44.2.1 | const uint8_t * const b_RefH, |
1458 : | const uint8_t * const b_RefV, | ||
1459 : | const uint8_t * const b_RefHV, | ||
1460 : | const IMAGE * const pCur, | ||
1461 : | const int x, const int y, | ||
1462 : | const uint32_t MotionFlags, | ||
1463 : | const int32_t TRB, const int32_t TRD, | ||
1464 : | const MBParam * const pParam, | ||
1465 : | MACROBLOCK * const pMB, | ||
1466 : | const MACROBLOCK * const b_mb, | ||
1467 : | h | 1.44.2.3 | int32_t * const best_sad, |
1468 : | SearchData * const Data) | ||
1469 : | chl | 1.44.2.1 | |
1470 : | { | ||
1471 : | h | 1.44.2.3 | int32_t skip_sad; |
1472 : | chl | 1.44.2.1 | int k; |
1473 : | h | 1.44.2.3 | |
1474 : | chl | 1.44.2.1 | MainSearchFunc *MainSearchPtr; |
1475 : | |||
1476 : | h | 1.44.2.3 | *Data->iMinSAD = 256*4096; |
1477 : | chl | 1.44.2.1 | |
1478 : | h | 1.44.2.3 | Data->Ref = f_Ref->y + (x + Data->iEdgedWidth*y) * 16; |
1479 : | Data->RefH = f_RefH + (x + Data->iEdgedWidth*y) * 16; | ||
1480 : | Data->RefV = f_RefV + (x + Data->iEdgedWidth*y) * 16; | ||
1481 : | Data->RefHV = f_RefHV + (x + Data->iEdgedWidth*y) * 16; | ||
1482 : | Data->bRef = b_Ref->y + (x + Data->iEdgedWidth*y) * 16; | ||
1483 : | Data->bRefH = b_RefH + (x + Data->iEdgedWidth*y) * 16; | ||
1484 : | Data->bRefV = b_RefV + (x + Data->iEdgedWidth*y) * 16; | ||
1485 : | Data->bRefHV = b_RefHV + (x + Data->iEdgedWidth*y) * 16; | ||
1486 : | |||
1487 : | Data->max_dx = 2 * pParam->width - 2 * (x) * 16; | ||
1488 : | Data->max_dy = 2 * pParam->height - 2 * (y) * 16; | ||
1489 : | Data->min_dx = -(2 * 16 + 2 * (x) * 16); | ||
1490 : | Data->min_dy = -(2 * 16 + 2 * (y) * 16); | ||
1491 : | syskin | 1.44.2.19 | if (Data->qpel) { //we measure in qpixels |
1492 : | Data->max_dx *= 2; | ||
1493 : | Data->max_dy *= 2; | ||
1494 : | Data->min_dx *= 2; | ||
1495 : | Data->min_dy *= 2; | ||
1496 : | Data->referencemv = b_mb->qmvs; | ||
1497 : | } else Data->referencemv = b_mb->mvs; | ||
1498 : | syskin | 1.44.2.26 | Data->qpel_precision = 0; // it's a trick. it's 1 not 0, but we need 0 here |
1499 : | chl | 1.44.2.1 | |
1500 : | for (k = 0; k < 4; k++) { | ||
1501 : | h | 1.44.2.3 | pMB->mvs[k].x = Data->directmvF[k].x = ((TRB * Data->referencemv[k].x) / TRD); |
1502 : | pMB->b_mvs[k].x = Data->directmvB[k].x = ((TRB - TRD) * Data->referencemv[k].x) / TRD; | ||
1503 : | pMB->mvs[k].y = Data->directmvF[k].y = ((TRB * Data->referencemv[k].y) / TRD); | ||
1504 : | pMB->b_mvs[k].y = Data->directmvB[k].y = ((TRB - TRD) * Data->referencemv[k].y) / TRD; | ||
1505 : | |||
1506 : | if ( ( pMB->b_mvs[k].x > Data->max_dx ) || ( pMB->b_mvs[k].x < Data->min_dx ) | ||
1507 : | || ( pMB->b_mvs[k].y > Data->max_dy ) || ( pMB->b_mvs[k].y < Data->min_dy )) { | ||
1508 : | chl | 1.44.2.1 | |
1509 : | Isibaar | 1.44.2.2 | *best_sad = 256*4096; // in that case, we won't use direct mode |
1510 : | pMB->mode = MODE_DIRECT; // just to make sure it doesn't say "MODE_DIRECT_NONE_MV" | ||
1511 : | pMB->b_mvs[0].x = pMB->b_mvs[0].y = 0; | ||
1512 : | return 0; | ||
1513 : | } | ||
1514 : | if (b_mb->mode != MODE_INTER4V) { | ||
1515 : | pMB->mvs[1] = pMB->mvs[2] = pMB->mvs[3] = pMB->mvs[0]; | ||
1516 : | pMB->b_mvs[1] = pMB->b_mvs[2] = pMB->b_mvs[3] = pMB->b_mvs[0]; | ||
1517 : | h | 1.44.2.3 | Data->directmvF[1] = Data->directmvF[2] = Data->directmvF[3] = Data->directmvF[0]; |
1518 : | Data->directmvB[1] = Data->directmvB[2] = Data->directmvB[3] = Data->directmvB[0]; | ||
1519 : | Isibaar | 1.44.2.2 | break; |
1520 : | } | ||
1521 : | } | ||
1522 : | chl | 1.44.2.1 | |
1523 : | syskin | 1.44.2.22 | |
1524 : | if (b_mb->mode == MODE_INTER4V) CheckCandidate = CheckCandidateDirect; | ||
1525 : | else CheckCandidate = CheckCandidateDirectno4v; | ||
1526 : | syskin | 1.44.2.19 | |
1527 : | h | 1.44.2.3 | (*CheckCandidate)(0, 0, 255, &k, Data); |
1528 : | Isibaar | 1.44.2.2 | |
1529 : | // skip decision | ||
1530 : | syskin | 1.44.2.14 | if (*Data->iMinSAD < pMB->quant * SKIP_THRESH_B) { |
1531 : | syskin | 1.44.2.8 | //possible skip - checking chroma. everything copied from MC |
1532 : | Isibaar | 1.44.2.2 | //this is not full chroma compensation, only it's fullpel approximation. should work though |
1533 : | int sum, dx, dy, b_dx, b_dy; | ||
1534 : | |||
1535 : | syskin | 1.44.2.19 | if (Data->qpel) { |
1536 : | sum = pMB->mvs[0].y/2 + pMB->mvs[1].y/2 + pMB->mvs[2].y/2 + pMB->mvs[3].y/2; | ||
1537 : | dy = (sum >> 3) + roundtab_76[sum & 0xf]; | ||
1538 : | sum = pMB->mvs[0].x/2 + pMB->mvs[1].x/2 + pMB->mvs[2].x/2 + pMB->mvs[3].x/2; | ||
1539 : | dx = (sum >> 3) + roundtab_76[sum & 0xf]; | ||
1540 : | Isibaar | 1.44.2.2 | |
1541 : | syskin | 1.44.2.19 | sum = pMB->b_mvs[0].y/2 + pMB->b_mvs[1].y/2 + pMB->b_mvs[2].y/2 + pMB->b_mvs[3].y/2; |
1542 : | b_dy = (sum >> 3) + roundtab_76[sum & 0xf]; | ||
1543 : | sum = pMB->b_mvs[0].x/2 + pMB->b_mvs[1].x/2 + pMB->b_mvs[2].x/2 + pMB->b_mvs[3].x/2; | ||
1544 : | b_dx = (sum >> 3) + roundtab_76[sum & 0xf]; | ||
1545 : | Isibaar | 1.44.2.2 | |
1546 : | syskin | 1.44.2.19 | } else { |
1547 : | sum = pMB->mvs[0].x + pMB->mvs[1].x + pMB->mvs[2].x + pMB->mvs[3].x; | ||
1548 : | dx = (sum == 0 ? 0 : SIGN(sum) * (roundtab[ABS(sum) % 16] + (ABS(sum) / 16) * 2)); | ||
1549 : | sum = pMB->mvs[0].y + pMB->mvs[1].y + pMB->mvs[2].y + pMB->mvs[3].y; | ||
1550 : | dy = (sum == 0 ? 0 : SIGN(sum) * (roundtab[ABS(sum) % 16] + (ABS(sum) / 16) * 2)); | ||
1551 : | |||
1552 : | sum = pMB->b_mvs[0].x + pMB->b_mvs[1].x + pMB->b_mvs[2].x + pMB->b_mvs[3].x; | ||
1553 : | b_dx = (sum == 0 ? 0 : SIGN(sum) * (roundtab[ABS(sum) % 16] + (ABS(sum) / 16) * 2)); | ||
1554 : | sum = pMB->b_mvs[0].y + pMB->b_mvs[1].y + pMB->b_mvs[2].y + pMB->b_mvs[3].y; | ||
1555 : | b_dy = (sum == 0 ? 0 : SIGN(sum) * (roundtab[ABS(sum) % 16] + (ABS(sum) / 16) * 2)); | ||
1556 : | } | ||
1557 : | h | 1.44.2.3 | sum = sad8bi(pCur->u + 8*x + 8*y*(Data->iEdgedWidth/2), |
1558 : | f_Ref->u + (y*8 + dy/2) * (Data->iEdgedWidth/2) + x*8 + dx/2, | ||
1559 : | b_Ref->u + (y*8 + b_dy/2) * (Data->iEdgedWidth/2) + x*8 + b_dx/2, | ||
1560 : | Data->iEdgedWidth/2); | ||
1561 : | sum += sad8bi(pCur->v + 8*x + 8*y*(Data->iEdgedWidth/2), | ||
1562 : | f_Ref->v + (y*8 + dy/2) * (Data->iEdgedWidth/2) + x*8 + dx/2, | ||
1563 : | b_Ref->v + (y*8 + b_dy/2) * (Data->iEdgedWidth/2) + x*8 + b_dx/2, | ||
1564 : | Data->iEdgedWidth/2); | ||
1565 : | Isibaar | 1.44.2.2 | |
1566 : | syskin | 1.44.2.11 | if (sum < MAX_CHROMA_SAD_FOR_SKIP * pMB->quant) { |
1567 : | Isibaar | 1.44.2.2 | pMB->mode = MODE_DIRECT_NONE_MV; |
1568 : | h | 1.44.2.3 | return *Data->iMinSAD; |
1569 : | Isibaar | 1.44.2.2 | } |
1570 : | } | ||
1571 : | |||
1572 : | h | 1.44.2.3 | skip_sad = *Data->iMinSAD; |
1573 : | Isibaar | 1.44.2.2 | |
1574 : | chl | 1.44.2.1 | // DIRECT MODE DELTA VECTOR SEARCH. |
1575 : | // This has to be made more effective, but at the moment I'm happy it's running at all | ||
1576 : | |||
1577 : | if (MotionFlags & PMV_USESQUARES16) MainSearchPtr = SquareSearch; | ||
1578 : | else if (MotionFlags & PMV_ADVANCEDDIAMOND16) MainSearchPtr = AdvDiamondSearch; | ||
1579 : | else MainSearchPtr = DiamondSearch; | ||
1580 : | |||
1581 : | h | 1.44.2.3 | (*MainSearchPtr)(0, 0, Data, 255); |
1582 : | chl | 1.44.2.1 | |
1583 : | syskin | 1.44.2.22 | SubpelRefine(Data); |
1584 : | chl | 1.44.2.1 | |
1585 : | syskin | 1.44.2.28 | // *Data->iMinSAD += 1 * Data->lambda16; // one bit is needed to code direct mode |
1586 : | h | 1.44.2.3 | *best_sad = *Data->iMinSAD; |
1587 : | chl | 1.44.2.1 | |
1588 : | syskin | 1.44.2.26 | if (b_mb->mode == MODE_INTER4V) |
1589 : | chl | 1.44.2.1 | pMB->mode = MODE_DIRECT; |
1590 : | syskin | 1.44.2.26 | else pMB->mode = MODE_DIRECT_NO4V; //for faster compensation |
1591 : | chl | 1.44.2.1 | |
1592 : | h | 1.44.2.3 | pMB->pmvs[3] = *Data->currentMV; |
1593 : | chl | 1.44.2.1 | |
1594 : | for (k = 0; k < 4; k++) { | ||
1595 : | h | 1.44.2.3 | pMB->mvs[k].x = Data->directmvF[k].x + Data->currentMV->x; |
1596 : | syskin | 1.44.2.19 | pMB->b_mvs[k].x = ( (Data->currentMV->x == 0) |
1597 : | h | 1.44.2.3 | ? Data->directmvB[k].x |
1598 : | syskin | 1.44.2.19 | :pMB->mvs[k].x - Data->referencemv[k].x); |
1599 : | h | 1.44.2.3 | pMB->mvs[k].y = (Data->directmvF[k].y + Data->currentMV->y); |
1600 : | pMB->b_mvs[k].y = ((Data->currentMV->y == 0) | ||
1601 : | ? Data->directmvB[k].y | ||
1602 : | : pMB->mvs[k].y - Data->referencemv[k].y); | ||
1603 : | syskin | 1.44.2.19 | if (Data->qpel) { |
1604 : | pMB->qmvs[k].x = pMB->mvs[k].x; pMB->mvs[k].x /= 2; | ||
1605 : | pMB->b_qmvs[k].x = pMB->b_mvs[k].x; pMB->b_mvs[k].x /= 2; | ||
1606 : | pMB->qmvs[k].y = pMB->mvs[k].y; pMB->mvs[k].y /= 2; | ||
1607 : | pMB->b_qmvs[k].y = pMB->b_mvs[k].y; pMB->b_mvs[k].y /= 2; | ||
1608 : | } | ||
1609 : | |||
1610 : | chl | 1.44.2.1 | if (b_mb->mode != MODE_INTER4V) { |
1611 : | pMB->mvs[3] = pMB->mvs[2] = pMB->mvs[1] = pMB->mvs[0]; | ||
1612 : | pMB->b_mvs[3] = pMB->b_mvs[2] = pMB->b_mvs[1] = pMB->b_mvs[0]; | ||
1613 : | syskin | 1.44.2.19 | pMB->qmvs[3] = pMB->qmvs[2] = pMB->qmvs[1] = pMB->qmvs[0]; |
1614 : | pMB->b_qmvs[3] = pMB->b_qmvs[2] = pMB->b_qmvs[1] = pMB->b_qmvs[0]; | ||
1615 : | chl | 1.44.2.1 | break; |
1616 : | } | ||
1617 : | } | ||
1618 : | h | 1.44.2.3 | return skip_sad; |
1619 : | chl | 1.44.2.1 | } |
1620 : | |||
1621 : | h | 1.44.2.3 | |
1622 : | chl | 1.44.2.1 | static __inline void |
1623 : | SearchInterpolate(const uint8_t * const f_Ref, | ||
1624 : | const uint8_t * const f_RefH, | ||
1625 : | const uint8_t * const f_RefV, | ||
1626 : | const uint8_t * const f_RefHV, | ||
1627 : | const uint8_t * const b_Ref, | ||
1628 : | const uint8_t * const b_RefH, | ||
1629 : | const uint8_t * const b_RefV, | ||
1630 : | const uint8_t * const b_RefHV, | ||
1631 : | const IMAGE * const pCur, | ||
1632 : | const int x, const int y, | ||
1633 : | const uint32_t fcode, | ||
1634 : | const uint32_t bcode, | ||
1635 : | const uint32_t MotionFlags, | ||
1636 : | const MBParam * const pParam, | ||
1637 : | const VECTOR * const f_predMV, | ||
1638 : | const VECTOR * const b_predMV, | ||
1639 : | MACROBLOCK * const pMB, | ||
1640 : | h | 1.44.2.3 | int32_t * const best_sad, |
1641 : | SearchData * const fData) | ||
1642 : | edgomez | 1.20 | |
1643 : | chl | 1.3 | { |
1644 : | |||
1645 : | edgomez | 1.20 | const int32_t iEdgedWidth = pParam->edged_width; |
1646 : | chl | 1.44.2.1 | int iDirection, i, j; |
1647 : | h | 1.44.2.3 | SearchData bData; |
1648 : | edgomez | 1.20 | |
1649 : | syskin | 1.44.2.11 | *(bData.iMinSAD = fData->iMinSAD) = 4096*256; |
1650 : | h | 1.44.2.3 | bData.Cur = fData->Cur; |
1651 : | fData->iEdgedWidth = bData.iEdgedWidth = iEdgedWidth; | ||
1652 : | syskin | 1.44.2.19 | bData.currentMV = fData->currentMV + 1; bData.currentQMV = fData->currentQMV + 1; |
1653 : | syskin | 1.44.2.11 | bData.lambda16 = fData->lambda16; |
1654 : | h | 1.44.2.3 | fData->iFcode = bData.bFcode = fcode; fData->bFcode = bData.iFcode = bcode; |
1655 : | |||
1656 : | bData.bRef = fData->Ref = f_Ref + (x + y * iEdgedWidth) * 16; | ||
1657 : | bData.bRefH = fData->RefH = f_RefH + (x + y * iEdgedWidth) * 16; | ||
1658 : | bData.bRefV = fData->RefV = f_RefV + (x + y * iEdgedWidth) * 16; | ||
1659 : | bData.bRefHV = fData->RefHV = f_RefHV + (x + y * iEdgedWidth) * 16; | ||
1660 : | bData.Ref = fData->bRef = b_Ref + (x + y * iEdgedWidth) * 16; | ||
1661 : | bData.RefH = fData->bRefH = b_RefH + (x + y * iEdgedWidth) * 16; | ||
1662 : | bData.RefV = fData->bRefV = b_RefV + (x + y * iEdgedWidth) * 16; | ||
1663 : | bData.RefHV = fData->bRefHV = b_RefHV + (x + y * iEdgedWidth) * 16; | ||
1664 : | syskin | 1.44.2.19 | bData.RefQ = fData->RefQ; |
1665 : | syskin | 1.44.2.27 | fData->qpel_precision = bData.qpel_precision = 0; bData.qpel = fData->qpel; |
1666 : | syskin | 1.44.2.26 | bData.rounding = 0; |
1667 : | h | 1.44.2.3 | |
1668 : | bData.bpredMV = fData->predMV = *f_predMV; | ||
1669 : | fData->bpredMV = bData.predMV = *b_predMV; | ||
1670 : | |||
1671 : | syskin | 1.44.2.20 | fData->currentMV[0] = fData->currentMV[2]; |
1672 : | syskin | 1.44.2.30 | get_range(&fData->min_dx, &fData->max_dx, &fData->min_dy, &fData->max_dy, x, y, 16, pParam->width, pParam->height, fcode - pParam->m_quarterpel); |
1673 : | get_range(&bData.min_dx, &bData.max_dx, &bData.min_dy, &bData.max_dy, x, y, 16, pParam->width, pParam->height, bcode - pParam->m_quarterpel); | ||
1674 : | chl | 1.3 | |
1675 : | h | 1.44.2.3 | if (fData->currentMV[0].x > fData->max_dx) fData->currentMV[0].x = fData->max_dx; |
1676 : | syskin | 1.44.2.27 | if (fData->currentMV[0].x < fData->min_dx) fData->currentMV[0].x = fData->min_dx; |
1677 : | if (fData->currentMV[0].y > fData->max_dy) fData->currentMV[0].y = fData->max_dy; | ||
1678 : | if (fData->currentMV[0].y < fData->min_dy) fData->currentMV[0].y = fData->min_dy; | ||
1679 : | h | 1.44.2.3 | |
1680 : | if (fData->currentMV[1].x > bData.max_dx) fData->currentMV[1].x = bData.max_dx; | ||
1681 : | syskin | 1.44.2.27 | if (fData->currentMV[1].x < bData.min_dx) fData->currentMV[1].x = bData.min_dx; |
1682 : | if (fData->currentMV[1].y > bData.max_dy) fData->currentMV[1].y = bData.max_dy; | ||
1683 : | if (fData->currentMV[1].y < bData.min_dy) fData->currentMV[1].y = bData.min_dy; | ||
1684 : | Isibaar | 1.44.2.2 | |
1685 : | h | 1.44.2.3 | CheckCandidateInt(fData->currentMV[0].x, fData->currentMV[0].y, 255, &iDirection, fData); |
1686 : | chl | 1.3 | |
1687 : | chl | 1.44.2.1 | //diamond. I wish we could use normal mainsearch functions (square, advdiamond) |
1688 : | chl | 1.3 | |
1689 : | chl | 1.44.2.1 | do { |
1690 : | iDirection = 255; | ||
1691 : | // forward MV moves | ||
1692 : | h | 1.44.2.3 | i = fData->currentMV[0].x; j = fData->currentMV[0].y; |
1693 : | chl | 1.35 | |
1694 : | h | 1.44.2.3 | CheckCandidateInt(i + 1, j, 0, &iDirection, fData); |
1695 : | CheckCandidateInt(i, j + 1, 0, &iDirection, fData); | ||
1696 : | CheckCandidateInt(i - 1, j, 0, &iDirection, fData); | ||
1697 : | CheckCandidateInt(i, j - 1, 0, &iDirection, fData); | ||
1698 : | edgomez | 1.20 | |
1699 : | chl | 1.44.2.1 | // backward MV moves |
1700 : | h | 1.44.2.3 | i = fData->currentMV[1].x; j = fData->currentMV[1].y; |
1701 : | fData->currentMV[2] = fData->currentMV[0]; | ||
1702 : | Isibaar | 1.44.2.2 | CheckCandidateInt(i + 1, j, 0, &iDirection, &bData); |
1703 : | CheckCandidateInt(i, j + 1, 0, &iDirection, &bData); | ||
1704 : | CheckCandidateInt(i - 1, j, 0, &iDirection, &bData); | ||
1705 : | CheckCandidateInt(i, j - 1, 0, &iDirection, &bData); | ||
1706 : | chl | 1.3 | |
1707 : | chl | 1.44.2.1 | } while (!(iDirection)); |
1708 : | chl | 1.3 | |
1709 : | syskin | 1.44.2.19 | if (fData->qpel) { |
1710 : | syskin | 1.44.2.27 | CheckCandidate = CheckCandidateInt; |
1711 : | syskin | 1.44.2.22 | fData->qpel_precision = bData.qpel_precision = 1; |
1712 : | syskin | 1.44.2.30 | get_range_qpel(&fData->min_dx, &fData->max_dx, &fData->min_dy, &fData->max_dy, x, y, 16, pParam->width, pParam->height, fcode); |
1713 : | get_range_qpel(&bData.min_dx, &bData.max_dx, &bData.min_dy, &bData.max_dy, x, y, 16, pParam->width, pParam->height, bcode); | ||
1714 : | syskin | 1.44.2.19 | fData->currentQMV[2].x = fData->currentQMV[0].x = 2 * fData->currentMV[0].x; |
1715 : | fData->currentQMV[2].y = fData->currentQMV[0].y = 2 * fData->currentMV[0].y; | ||
1716 : | fData->currentQMV[1].x = 2 * fData->currentMV[1].x; | ||
1717 : | fData->currentQMV[1].y = 2 * fData->currentMV[1].y; | ||
1718 : | syskin | 1.44.2.22 | SubpelRefine(fData); |
1719 : | syskin | 1.44.2.19 | fData->currentQMV[2] = fData->currentQMV[0]; |
1720 : | syskin | 1.44.2.22 | SubpelRefine(&bData); |
1721 : | syskin | 1.44.2.19 | } |
1722 : | syskin | 1.44.2.28 | |
1723 : | *fData->iMinSAD += 2 * fData->lambda16; // two bits are needed to code interpolate mode. | ||
1724 : | syskin | 1.44.2.19 | |
1725 : | h | 1.44.2.3 | if (*fData->iMinSAD < *best_sad) { |
1726 : | *best_sad = *fData->iMinSAD; | ||
1727 : | pMB->mvs[0] = fData->currentMV[0]; | ||
1728 : | pMB->b_mvs[0] = fData->currentMV[1]; | ||
1729 : | chl | 1.44.2.1 | pMB->mode = MODE_INTERPOLATE; |
1730 : | syskin | 1.44.2.19 | if (fData->qpel) { |
1731 : | pMB->qmvs[0] = fData->currentQMV[0]; | ||
1732 : | pMB->b_qmvs[0] = fData->currentQMV[1]; | ||
1733 : | pMB->pmvs[1].x = pMB->qmvs[0].x - f_predMV->x; | ||
1734 : | pMB->pmvs[1].y = pMB->qmvs[0].y - f_predMV->y; | ||
1735 : | pMB->pmvs[0].x = pMB->b_qmvs[0].x - b_predMV->x; | ||
1736 : | pMB->pmvs[0].y = pMB->b_qmvs[0].y - b_predMV->y; | ||
1737 : | } else { | ||
1738 : | pMB->pmvs[1].x = pMB->mvs[0].x - f_predMV->x; | ||
1739 : | pMB->pmvs[1].y = pMB->mvs[0].y - f_predMV->y; | ||
1740 : | pMB->pmvs[0].x = pMB->b_mvs[0].x - b_predMV->x; | ||
1741 : | pMB->pmvs[0].y = pMB->b_mvs[0].y - b_predMV->y; | ||
1742 : | } | ||
1743 : | edgomez | 1.20 | } |
1744 : | chl | 1.3 | } |
1745 : | |||
1746 : | chl | 1.44.2.1 | void |
1747 : | MotionEstimationBVOP(MBParam * const pParam, | ||
1748 : | FRAMEINFO * const frame, | ||
1749 : | const int32_t time_bp, | ||
1750 : | const int32_t time_pp, | ||
1751 : | // forward (past) reference | ||
1752 : | const MACROBLOCK * const f_mbs, | ||
1753 : | const IMAGE * const f_ref, | ||
1754 : | const IMAGE * const f_refH, | ||
1755 : | const IMAGE * const f_refV, | ||
1756 : | const IMAGE * const f_refHV, | ||
1757 : | // backward (future) reference | ||
1758 : | syskin | 1.44.2.18 | const FRAMEINFO * const b_reference, |
1759 : | chl | 1.44.2.1 | const IMAGE * const b_ref, |
1760 : | const IMAGE * const b_refH, | ||
1761 : | const IMAGE * const b_refV, | ||
1762 : | const IMAGE * const b_refHV) | ||
1763 : | { | ||
1764 : | uint32_t i, j; | ||
1765 : | int32_t best_sad, skip_sad; | ||
1766 : | int f_count = 0, b_count = 0, i_count = 0, d_count = 0, n_count = 0; | ||
1767 : | static const VECTOR zeroMV={0,0}; | ||
1768 : | syskin | 1.44.2.18 | const MACROBLOCK * const b_mbs = b_reference->mbs; |
1769 : | chl | 1.3 | |
1770 : | chl | 1.44.2.1 | VECTOR f_predMV, b_predMV; /* there is no prediction for direct mode*/ |
1771 : | chl | 1.3 | |
1772 : | chl | 1.44.2.1 | const int32_t TRB = time_pp - time_bp; |
1773 : | const int32_t TRD = time_pp; | ||
1774 : | syskin | 1.44.2.19 | uint8_t * qimage; |
1775 : | chl | 1.3 | |
1776 : | h | 1.44.2.3 | // some pre-inintialized data for the rest of the search |
1777 : | |||
1778 : | SearchData Data; | ||
1779 : | int32_t iMinSAD; | ||
1780 : | VECTOR currentMV[3]; | ||
1781 : | syskin | 1.44.2.19 | VECTOR currentQMV[3]; |
1782 : | syskin | 1.44.2.32 | memset(&Data, 0, sizeof(SearchData)); |
1783 : | h | 1.44.2.3 | Data.iEdgedWidth = pParam->edged_width; |
1784 : | syskin | 1.44.2.19 | Data.currentMV = currentMV; Data.currentQMV = currentQMV; |
1785 : | h | 1.44.2.3 | Data.iMinSAD = &iMinSAD; |
1786 : | syskin | 1.44.2.28 | Data.lambda16 = lambda_vec16[frame->quant] + 2; |
1787 : | syskin | 1.44.2.19 | Data.qpel = pParam->m_quarterpel; |
1788 : | syskin | 1.44.2.22 | Data.rounding = 0; |
1789 : | h | 1.44.2.3 | |
1790 : | syskin | 1.44.2.19 | if((qimage = (uint8_t *) malloc(32 * pParam->edged_width)) == NULL) |
1791 : | return; // allocate some mem for qpel interpolated blocks | ||
1792 : | // somehow this is dirty since I think we shouldn't use malloc outside | ||
1793 : | // encoder_create() - so please fix me! | ||
1794 : | Data.RefQ = qimage; | ||
1795 : | edgomez | 1.20 | |
1796 : | syskin | 1.44.2.19 | // note: i==horizontal, j==vertical |
1797 : | chl | 1.44.2.1 | for (j = 0; j < pParam->mb_height; j++) { |
1798 : | chl | 1.3 | |
1799 : | chl | 1.44.2.1 | f_predMV = b_predMV = zeroMV; /* prediction is reset at left boundary */ |
1800 : | edgomez | 1.20 | |
1801 : | chl | 1.44.2.1 | for (i = 0; i < pParam->mb_width; i++) { |
1802 : | MACROBLOCK * const pMB = frame->mbs + i + j * pParam->mb_width; | ||
1803 : | const MACROBLOCK * const b_mb = b_mbs + i + j * pParam->mb_width; | ||
1804 : | edgomez | 1.20 | |
1805 : | chl | 1.44.2.13 | /* special case, if collocated block is SKIPed in P-VOP: encoding is forward (0,0), cpb=0 without further ado */ |
1806 : | syskin | 1.44.2.18 | if (b_reference->coding_type != S_VOP) |
1807 : | if (b_mb->mode == MODE_NOT_CODED) { | ||
1808 : | pMB->mode = MODE_NOT_CODED; | ||
1809 : | continue; | ||
1810 : | } | ||
1811 : | edgomez | 1.20 | |
1812 : | h | 1.44.2.3 | Data.Cur = frame->image.y + (j * Data.iEdgedWidth + i) * 16; |
1813 : | syskin | 1.44.2.11 | pMB->quant = frame->quant; |
1814 : | syskin | 1.44.2.14 | |
1815 : | chl | 1.44.2.1 | /* direct search comes first, because it (1) checks for SKIP-mode |
1816 : | and (2) sets very good predictions for forward and backward search */ | ||
1817 : | Isibaar | 1.44.2.2 | skip_sad = SearchDirect(f_ref, f_refH->y, f_refV->y, f_refHV->y, |
1818 : | b_ref, b_refH->y, b_refV->y, b_refHV->y, | ||
1819 : | chl | 1.44.2.1 | &frame->image, |
1820 : | i, j, | ||
1821 : | frame->motion_flags, | ||
1822 : | TRB, TRD, | ||
1823 : | pParam, | ||
1824 : | pMB, b_mb, | ||
1825 : | h | 1.44.2.3 | &best_sad, |
1826 : | &Data); | ||
1827 : | edgomez | 1.20 | |
1828 : | Isibaar | 1.44.2.2 | if (pMB->mode == MODE_DIRECT_NONE_MV) { n_count++; continue; } |
1829 : | syskin | 1.44.2.19 | |
1830 : | chl | 1.44.2.1 | // forward search |
1831 : | SearchBF(f_ref->y, f_refH->y, f_refV->y, f_refHV->y, | ||
1832 : | &frame->image, i, j, | ||
1833 : | frame->motion_flags, | ||
1834 : | h | 1.44.2.3 | frame->fcode, pParam, |
1835 : | chl | 1.44.2.1 | pMB, &f_predMV, &best_sad, |
1836 : | h | 1.44.2.3 | MODE_FORWARD, &Data); |
1837 : | chl | 1.10 | |
1838 : | chl | 1.44.2.1 | // backward search |
1839 : | SearchBF(b_ref->y, b_refH->y, b_refV->y, b_refHV->y, | ||
1840 : | &frame->image, i, j, | ||
1841 : | frame->motion_flags, | ||
1842 : | h | 1.44.2.3 | frame->bcode, pParam, |
1843 : | chl | 1.44.2.1 | pMB, &b_predMV, &best_sad, |
1844 : | h | 1.44.2.3 | MODE_BACKWARD, &Data); |
1845 : | chl | 1.10 | |
1846 : | chl | 1.44.2.1 | // interpolate search comes last, because it uses data from forward and backward as prediction |
1847 : | syskin | 1.44.2.21 | |
1848 : | chl | 1.44.2.1 | SearchInterpolate(f_ref->y, f_refH->y, f_refV->y, f_refHV->y, |
1849 : | b_ref->y, b_refH->y, b_refV->y, b_refHV->y, | ||
1850 : | &frame->image, | ||
1851 : | i, j, | ||
1852 : | frame->fcode, frame->bcode, | ||
1853 : | frame->motion_flags, | ||
1854 : | h | 1.44.2.3 | pParam, |
1855 : | chl | 1.44.2.1 | &f_predMV, &b_predMV, |
1856 : | h | 1.44.2.3 | pMB, &best_sad, |
1857 : | &Data); | ||
1858 : | syskin | 1.44.2.21 | |
1859 : | chl | 1.44.2.1 | switch (pMB->mode) { |
1860 : | case MODE_FORWARD: | ||
1861 : | f_count++; | ||
1862 : | syskin | 1.44.2.19 | if (pParam->m_quarterpel) f_predMV = pMB->qmvs[0]; |
1863 : | else f_predMV = pMB->mvs[0]; | ||
1864 : | chl | 1.44.2.1 | break; |
1865 : | case MODE_BACKWARD: | ||
1866 : | b_count++; | ||
1867 : | syskin | 1.44.2.19 | if (pParam->m_quarterpel) b_predMV = pMB->b_qmvs[0]; |
1868 : | else b_predMV = pMB->b_mvs[0]; | ||
1869 : | chl | 1.44.2.1 | break; |
1870 : | case MODE_INTERPOLATE: | ||
1871 : | i_count++; | ||
1872 : | syskin | 1.44.2.19 | if (pParam->m_quarterpel) { |
1873 : | f_predMV = pMB->qmvs[0]; | ||
1874 : | b_predMV = pMB->b_qmvs[0]; | ||
1875 : | } else { | ||
1876 : | f_predMV = pMB->mvs[0]; | ||
1877 : | b_predMV = pMB->b_mvs[0]; | ||
1878 : | } | ||
1879 : | chl | 1.44.2.1 | break; |
1880 : | case MODE_DIRECT: | ||
1881 : | case MODE_DIRECT_NO4V: | ||
1882 : | d_count++; | ||
1883 : | default: | ||
1884 : | break; | ||
1885 : | chl | 1.10 | } |
1886 : | } | ||
1887 : | } | ||
1888 : | syskin | 1.44.2.19 | free(qimage); |
1889 : | chl | 1.44.2.1 | } |
1890 : | chl | 1.3 | |
1891 : | chl | 1.44.2.1 | /* Hinted ME starts here */ |
1892 : | chl | 1.18 | |
1893 : | syskin | 1.44.2.8 | static void |
1894 : | syskin | 1.44.2.14 | SearchPhinted ( const IMAGE * const pRef, |
1895 : | chl | 1.30 | const uint8_t * const pRefH, |
1896 : | const uint8_t * const pRefV, | ||
1897 : | const uint8_t * const pRefHV, | ||
1898 : | const IMAGE * const pCur, | ||
1899 : | const int x, | ||
1900 : | const int y, | ||
1901 : | const uint32_t MotionFlags, | ||
1902 : | const uint32_t iQuant, | ||
1903 : | const MBParam * const pParam, | ||
1904 : | const MACROBLOCK * const pMBs, | ||
1905 : | chl | 1.44.2.1 | int inter4v, |
1906 : | h | 1.44.2.3 | MACROBLOCK * const pMB, |
1907 : | edgomez | 1.44.2.4 | SearchData * const Data) |
1908 : | chl | 1.44.2.1 | { |
1909 : | chl | 1.30 | |
1910 : | edgomez | 1.44.2.4 | int i, t; |
1911 : | chl | 1.44.2.1 | MainSearchFunc * MainSearchPtr; |
1912 : | |||
1913 : | h | 1.44.2.3 | get_range(&Data->min_dx, &Data->max_dx, &Data->min_dy, &Data->max_dy, x, y, 16, |
1914 : | syskin | 1.44.2.30 | pParam->width, pParam->height, Data->iFcode - pParam->m_quarterpel); |
1915 : | chl | 1.44.2.1 | |
1916 : | syskin | 1.44.2.14 | Data->Cur = pCur->y + (x + y * Data->iEdgedWidth) * 16; |
1917 : | Data->CurV = pCur->v + (x + y * (Data->iEdgedWidth/2)) * 8; | ||
1918 : | Data->CurU = pCur->u + (x + y * (Data->iEdgedWidth/2)) * 8; | ||
1919 : | |||
1920 : | Data->Ref = pRef->y + (x + Data->iEdgedWidth*y) * 16; | ||
1921 : | Data->RefH = pRefH + (x + Data->iEdgedWidth*y) * 16; | ||
1922 : | Data->RefV = pRefV + (x + Data->iEdgedWidth*y) * 16; | ||
1923 : | Data->RefHV = pRefHV + (x + Data->iEdgedWidth*y) * 16; | ||
1924 : | Data->RefCV = pRef->v + (x + y * (Data->iEdgedWidth/2)) * 8; | ||
1925 : | Data->RefCU = pRef->u + (x + y * (Data->iEdgedWidth/2)) * 8; | ||
1926 : | syskin | 1.44.2.22 | Data->qpel_precision = 0; |
1927 : | edgomez | 1.44.2.4 | |
1928 : | chl | 1.44.2.1 | if (!(MotionFlags & PMV_HALFPEL16)) { |
1929 : | h | 1.44.2.3 | Data->min_dx = EVEN(Data->min_dx); |
1930 : | Data->max_dx = EVEN(Data->max_dx); | ||
1931 : | Data->min_dy = EVEN(Data->min_dy); | ||
1932 : | Data->max_dy = EVEN(Data->max_dy); | ||
1933 : | chl | 1.30 | } |
1934 : | syskin | 1.44.2.22 | if (pParam->m_quarterpel) Data->predMV = get_qpmv2(pMBs, pParam->mb_width, 0, x, y, 0); |
1935 : | else Data->predMV = get_pmv2(pMBs, pParam->mb_width, 0, x, y, 0); | ||
1936 : | chl | 1.30 | |
1937 : | h | 1.44.2.3 | for(i = 0; i < 5; i++) Data->iMinSAD[i] = MV_MAX_ERROR; |
1938 : | chl | 1.30 | |
1939 : | chl | 1.44.2.1 | if (pMB->dquant != NO_CHANGE) inter4v = 0; |
1940 : | chl | 1.30 | |
1941 : | syskin | 1.44.2.22 | if (inter4v || Data->chroma) CheckCandidate = CheckCandidate16; |
1942 : | syskin | 1.44.2.14 | else CheckCandidate = CheckCandidate16no4v; |
1943 : | chl | 1.30 | |
1944 : | chl | 1.44.2.1 | pMB->mvs[0].x = EVEN(pMB->mvs[0].x); |
1945 : | pMB->mvs[0].y = EVEN(pMB->mvs[0].y); | ||
1946 : | h | 1.44.2.3 | if (pMB->mvs[0].x > Data->max_dx) pMB->mvs[0].x = Data->max_dx; // this is in case iFcode changed |
1947 : | if (pMB->mvs[0].x < Data->min_dx) pMB->mvs[0].x = Data->min_dx; | ||
1948 : | if (pMB->mvs[0].y > Data->max_dy) pMB->mvs[0].y = Data->max_dy; | ||
1949 : | if (pMB->mvs[0].y < Data->min_dy) pMB->mvs[0].y = Data->min_dy; | ||
1950 : | chl | 1.30 | |
1951 : | edgomez | 1.44.2.4 | (*CheckCandidate)(pMB->mvs[0].x, pMB->mvs[0].y, 0, &t, Data); |
1952 : | chl | 1.30 | |
1953 : | chl | 1.44.2.1 | if (pMB->mode == MODE_INTER4V) |
1954 : | for (i = 1; i < 4; i++) { // all four vectors will be used as four predictions for 16x16 search | ||
1955 : | pMB->mvs[i].x = EVEN(pMB->mvs[i].x); | ||
1956 : | pMB->mvs[i].y = EVEN(pMB->mvs[i].y); | ||
1957 : | if (!(make_mask(pMB->mvs, i))) | ||
1958 : | edgomez | 1.44.2.4 | (*CheckCandidate)(pMB->mvs[i].x, pMB->mvs[i].y, 0, &t, Data); |
1959 : | chl | 1.44.2.1 | } |
1960 : | chl | 1.30 | |
1961 : | if (MotionFlags & PMV_USESQUARES16) | ||
1962 : | chl | 1.44.2.1 | MainSearchPtr = SquareSearch; |
1963 : | chl | 1.30 | else if (MotionFlags & PMV_ADVANCEDDIAMOND16) |
1964 : | chl | 1.44.2.1 | MainSearchPtr = AdvDiamondSearch; |
1965 : | else MainSearchPtr = DiamondSearch; | ||
1966 : | chl | 1.30 | |
1967 : | h | 1.44.2.3 | (*MainSearchPtr)(Data->currentMV->x, Data->currentMV->y, Data, 255); |
1968 : | chl | 1.30 | |
1969 : | syskin | 1.44.2.22 | if (MotionFlags & PMV_HALFPELREFINE16) SubpelRefine(Data); |
1970 : | chl | 1.30 | |
1971 : | syskin | 1.44.2.8 | for(i = 0; i < 5; i++) { |
1972 : | Data->currentQMV[i].x = 2 * Data->currentMV[i].x; // initialize qpel vectors | ||
1973 : | Data->currentQMV[i].y = 2 * Data->currentMV[i].y; | ||
1974 : | } | ||
1975 : | |||
1976 : | if((pParam->m_quarterpel) && (MotionFlags & PMV_QUARTERPELREFINE16)) { | ||
1977 : | syskin | 1.44.2.30 | get_range_qpel(&Data->min_dx, &Data->max_dx, &Data->min_dy, &Data->max_dy, x, y, 16, |
1978 : | pParam->width, pParam->height, Data->iFcode); | ||
1979 : | syskin | 1.44.2.22 | Data->qpel_precision = 1; |
1980 : | SubpelRefine(Data); | ||
1981 : | syskin | 1.44.2.8 | } |
1982 : | |||
1983 : | if (inter4v) { | ||
1984 : | SearchData Data8; | ||
1985 : | Data8.iFcode = Data->iFcode; | ||
1986 : | Isibaar | 1.44.2.12 | Data8.lambda8 = Data->lambda8; |
1987 : | syskin | 1.44.2.8 | Data8.iEdgedWidth = Data->iEdgedWidth; |
1988 : | Isibaar | 1.44.2.12 | Data8.RefQ = Data->RefQ; |
1989 : | syskin | 1.44.2.14 | Data8.qpel = Data->qpel; |
1990 : | Search8(Data, 2*x, 2*y, MotionFlags, pParam, pMB, pMBs, 0, &Data8); | ||
1991 : | Search8(Data, 2*x + 1, 2*y, MotionFlags, pParam, pMB, pMBs, 1, &Data8); | ||
1992 : | Search8(Data, 2*x, 2*y + 1, MotionFlags, pParam, pMB, pMBs, 2, &Data8); | ||
1993 : | Search8(Data, 2*x + 1, 2*y + 1, MotionFlags, pParam, pMB, pMBs, 3, &Data8); | ||
1994 : | |||
1995 : | if (Data->chroma) { | ||
1996 : | syskin | 1.44.2.22 | int sumx, sumy, dx, dy; |
1997 : | syskin | 1.44.2.14 | |
1998 : | syskin | 1.44.2.22 | if(pParam->m_quarterpel) { |
1999 : | sumx= pMB->qmvs[0].x/2 + pMB->qmvs[1].x/2 + pMB->qmvs[2].x/2 + pMB->qmvs[3].x/2; | ||
2000 : | sumy = pMB->qmvs[0].y/2 + pMB->qmvs[1].y/2 + pMB->qmvs[2].y/2 + pMB->qmvs[3].y/2; | ||
2001 : | } else { | ||
2002 : | sumx = pMB->mvs[0].x + pMB->mvs[1].x + pMB->mvs[2].x + pMB->mvs[3].x; | ||
2003 : | sumy = pMB->mvs[0].y + pMB->mvs[1].y + pMB->mvs[2].y + pMB->mvs[3].y; | ||
2004 : | } | ||
2005 : | dx = (sumx >> 3) + roundtab_76[sumx & 0xf]; | ||
2006 : | dy = (sumy >> 3) + roundtab_76[sumy & 0xf]; | ||
2007 : | |||
2008 : | syskin | 1.44.2.14 | Data->iMinSAD[1] += ChromaSAD(dx, dy, Data); |
2009 : | } | ||
2010 : | syskin | 1.44.2.8 | } |
2011 : | chl | 1.30 | |
2012 : | chl | 1.44.2.1 | if (!(inter4v) || |
2013 : | h | 1.44.2.3 | (Data->iMinSAD[0] < Data->iMinSAD[1] + Data->iMinSAD[2] + Data->iMinSAD[3] + |
2014 : | Data->iMinSAD[4] + IMV16X16 * (int32_t)iQuant )) { | ||
2015 : | chl | 1.44.2.1 | // INTER MODE |
2016 : | pMB->mode = MODE_INTER; | ||
2017 : | Isibaar | 1.44.2.2 | pMB->mvs[0] = pMB->mvs[1] |
2018 : | h | 1.44.2.3 | = pMB->mvs[2] = pMB->mvs[3] = Data->currentMV[0]; |
2019 : | chl | 1.30 | |
2020 : | Isibaar | 1.44.2.12 | pMB->qmvs[0] = pMB->qmvs[1] |
2021 : | = pMB->qmvs[2] = pMB->qmvs[3] = Data->currentQMV[0]; | ||
2022 : | |||
2023 : | chl | 1.44.2.1 | pMB->sad16 = pMB->sad8[0] = pMB->sad8[1] = |
2024 : | h | 1.44.2.3 | pMB->sad8[2] = pMB->sad8[3] = Data->iMinSAD[0]; |
2025 : | chl | 1.30 | |
2026 : | Isibaar | 1.44.2.12 | if(pParam->m_quarterpel) { |
2027 : | syskin | 1.44.2.22 | pMB->pmvs[0].x = Data->currentQMV[0].x - Data->predMV.x; |
2028 : | pMB->pmvs[0].y = Data->currentQMV[0].y - Data->predMV.y; | ||
2029 : | syskin | 1.44.2.14 | } else { |
2030 : | Isibaar | 1.44.2.12 | pMB->pmvs[0].x = Data->currentMV[0].x - Data->predMV.x; |
2031 : | pMB->pmvs[0].y = Data->currentMV[0].y - Data->predMV.y; | ||
2032 : | } | ||
2033 : | chl | 1.44.2.1 | } else { |
2034 : | syskin | 1.44.2.14 | // INTER4V MODE; all other things are already set in Search8 |
2035 : | chl | 1.44.2.1 | pMB->mode = MODE_INTER4V; |
2036 : | h | 1.44.2.3 | pMB->sad16 = Data->iMinSAD[1] + Data->iMinSAD[2] + Data->iMinSAD[3] |
2037 : | + Data->iMinSAD[4] + IMV16X16 * iQuant; | ||
2038 : | chl | 1.44.2.1 | } |
2039 : | chl | 1.30 | |
2040 : | } | ||
2041 : | suxen_drol | 1.6 | |
2042 : | edgomez | 1.20 | void |
2043 : | chl | 1.44.2.1 | MotionEstimationHinted( MBParam * const pParam, |
2044 : | FRAMEINFO * const current, | ||
2045 : | FRAMEINFO * const reference, | ||
2046 : | const IMAGE * const pRefH, | ||
2047 : | const IMAGE * const pRefV, | ||
2048 : | const IMAGE * const pRefHV) | ||
2049 : | suxen_drol | 1.6 | { |
2050 : | chl | 1.44.2.1 | MACROBLOCK *const pMBs = current->mbs; |
2051 : | const IMAGE *const pCurrent = ¤t->image; | ||
2052 : | const IMAGE *const pRef = &reference->image; | ||
2053 : | chl | 1.32 | |
2054 : | chl | 1.44.2.1 | uint32_t x, y; |
2055 : | syskin | 1.44.2.11 | uint8_t * qimage; |
2056 : | syskin | 1.44.2.5 | int32_t temp[5], quant = current->quant; |
2057 : | h | 1.44.2.3 | int32_t iMinSAD[5]; |
2058 : | Isibaar | 1.44.2.12 | VECTOR currentMV[5], currentQMV[5]; |
2059 : | h | 1.44.2.3 | SearchData Data; |
2060 : | Data.iEdgedWidth = pParam->edged_width; | ||
2061 : | Data.currentMV = currentMV; | ||
2062 : | Isibaar | 1.44.2.12 | Data.currentQMV = currentQMV; |
2063 : | h | 1.44.2.3 | Data.iMinSAD = iMinSAD; |
2064 : | Data.temp = temp; | ||
2065 : | Data.iFcode = current->fcode; | ||
2066 : | syskin | 1.44.2.8 | Data.rounding = pParam->m_rounding_type; |
2067 : | syskin | 1.44.2.14 | Data.qpel = pParam->m_quarterpel; |
2068 : | Data.chroma = current->global_flags & XVID_ME_COLOUR; | ||
2069 : | syskin | 1.44.2.8 | |
2070 : | if((qimage = (uint8_t *) malloc(32 * pParam->edged_width)) == NULL) | ||
2071 : | return; // allocate some mem for qpel interpolated blocks | ||
2072 : | // somehow this is dirty since I think we shouldn't use malloc outside | ||
2073 : | // encoder_create() - so please fix me! | ||
2074 : | |||
2075 : | syskin | 1.44.2.11 | Data.RefQ = qimage; |
2076 : | |||
2077 : | chl | 1.44.2.1 | if (sadInit) (*sadInit) (); |
2078 : | chl | 1.32 | |
2079 : | chl | 1.44.2.1 | for (y = 0; y < pParam->mb_height; y++) { |
2080 : | for (x = 0; x < pParam->mb_width; x++) { | ||
2081 : | suxen_drol | 1.6 | |
2082 : | chl | 1.44.2.1 | MACROBLOCK *pMB = &pMBs[x + y * pParam->mb_width]; |
2083 : | suxen_drol | 1.6 | |
2084 : | chl | 1.44.2.1 | //intra mode is copied from the first pass. At least for the time being |
2085 : | if ((pMB->mode == MODE_INTRA) || (pMB->mode == MODE_NOT_CODED) ) continue; | ||
2086 : | chl | 1.37 | |
2087 : | chl | 1.44.2.1 | if (!(current->global_flags & XVID_LUMIMASKING)) { |
2088 : | pMB->dquant = NO_CHANGE; | ||
2089 : | pMB->quant = current->quant; } | ||
2090 : | Isibaar | 1.44.2.12 | else { |
2091 : | syskin | 1.44.2.5 | if (pMB->dquant != NO_CHANGE) { |
2092 : | quant += DQtab[pMB->dquant]; | ||
2093 : | if (quant > 31) quant = 31; | ||
2094 : | else if (quant < 1) quant = 1; | ||
2095 : | } | ||
2096 : | Isibaar | 1.44.2.12 | pMB->quant = quant; |
2097 : | } | ||
2098 : | chl | 1.33 | |
2099 : | syskin | 1.44.2.14 | SearchPhinted(pRef, pRefH->y, pRefV->y, pRefHV->y, pCurrent, x, |
2100 : | Isibaar | 1.44.2.2 | y, current->motion_flags, pMB->quant, |
2101 : | h | 1.44.2.3 | pParam, pMBs, current->global_flags & XVID_INTER4V, pMB, |
2102 : | &Data); | ||
2103 : | edgomez | 1.20 | |
2104 : | Isibaar | 1.44.2.2 | } |
2105 : | } | ||
2106 : | syskin | 1.44.2.8 | free(qimage); |
2107 : | Isibaar | 1.44.2.2 | } |
2108 : | chl | 1.33 | |
2109 : | Isibaar | 1.44.2.2 | static __inline int |
2110 : | MEanalyzeMB ( const uint8_t * const pRef, | ||
2111 : | const uint8_t * const pCur, | ||
2112 : | const int x, | ||
2113 : | const int y, | ||
2114 : | const MBParam * const pParam, | ||
2115 : | const MACROBLOCK * const pMBs, | ||
2116 : | h | 1.44.2.3 | MACROBLOCK * const pMB, |
2117 : | SearchData * const Data) | ||
2118 : | Isibaar | 1.44.2.2 | { |
2119 : | chl | 1.32 | |
2120 : | Isibaar | 1.44.2.12 | int i = 255, mask; |
2121 : | h | 1.44.2.3 | VECTOR pmv[3]; |
2122 : | *(Data->iMinSAD) = MV_MAX_ERROR; | ||
2123 : | syskin | 1.44.2.17 | |
2124 : | //median is only used as prediction. it doesn't have to be real | ||
2125 : | if (x == 1 && y == 1) Data->predMV.x = Data->predMV.y = 0; | ||
2126 : | else | ||
2127 : | if (x == 1) //left macroblock does not have any vector now | ||
2128 : | Data->predMV = (pMB - pParam->mb_width)->mvs[0]; // top instead of median | ||
2129 : | else if (y == 1) // top macroblock don't have it's vector | ||
2130 : | Data->predMV = (pMB - 1)->mvs[0]; // left instead of median | ||
2131 : | else Data->predMV = get_pmv2(pMBs, pParam->mb_width, 0, x, y, 0); //else median | ||
2132 : | |||
2133 : | h | 1.44.2.3 | get_range(&Data->min_dx, &Data->max_dx, &Data->min_dy, &Data->max_dy, x, y, 16, |
2134 : | syskin | 1.44.2.30 | pParam->width, pParam->height, Data->iFcode - pParam->m_quarterpel); |
2135 : | chl | 1.35 | |
2136 : | h | 1.44.2.3 | Data->Cur = pCur + (x + y * pParam->edged_width) * 16; |
2137 : | Data->Ref = pRef + (x + y * pParam->edged_width) * 16; | ||
2138 : | Isibaar | 1.44.2.2 | |
2139 : | pmv[1].x = EVEN(pMB->mvs[0].x); | ||
2140 : | pmv[1].y = EVEN(pMB->mvs[0].y); | ||
2141 : | syskin | 1.44.2.17 | pmv[2].x = EVEN(Data->predMV.x); |
2142 : | pmv[2].y = EVEN(Data->predMV.y); | ||
2143 : | pmv[0].x = pmv[0].y = 0; | ||
2144 : | |||
2145 : | (*CheckCandidate)(0, 0, 255, &i, Data); | ||
2146 : | |||
2147 : | //early skip for 0,0 | ||
2148 : | if (*Data->iMinSAD < MAX_SAD00_FOR_SKIP * 4) { | ||
2149 : | pMB->mvs[0] = pMB->mvs[1] = pMB->mvs[2] = pMB->mvs[3] = Data->currentMV[0]; | ||
2150 : | pMB->mode = MODE_NOT_CODED; | ||
2151 : | return 0; | ||
2152 : | } | ||
2153 : | Isibaar | 1.44.2.2 | |
2154 : | if (!(mask = make_mask(pmv, 1))) | ||
2155 : | syskin | 1.44.2.17 | (*CheckCandidate)(pmv[1].x, pmv[1].y, mask, &i, Data); |
2156 : | Isibaar | 1.44.2.2 | if (!(mask = make_mask(pmv, 2))) |
2157 : | syskin | 1.44.2.17 | (*CheckCandidate)(pmv[2].x, pmv[2].y, mask, &i, Data); |
2158 : | Isibaar | 1.44.2.2 | |
2159 : | syskin | 1.44.2.17 | if (*Data->iMinSAD > MAX_SAD00_FOR_SKIP * 4) // diamond only if needed |
2160 : | DiamondSearch(Data->currentMV->x, Data->currentMV->y, Data, i); | ||
2161 : | Isibaar | 1.44.2.2 | |
2162 : | syskin | 1.44.2.17 | pMB->mvs[0] = pMB->mvs[1] = pMB->mvs[2] = pMB->mvs[3] = Data->currentMV[0]; |
2163 : | syskin | 1.44.2.14 | pMB->mode = MODE_INTER; |
2164 : | h | 1.44.2.3 | return *(Data->iMinSAD); |
2165 : | Isibaar | 1.44.2.2 | } |
2166 : | |||
2167 : | #define INTRA_THRESH 1350 | ||
2168 : | syskin | 1.44.2.26 | #define INTER_THRESH 1200 |
2169 : | Isibaar | 1.44.2.2 | |
2170 : | syskin | 1.44.2.18 | |
2171 : | Isibaar | 1.44.2.2 | int |
2172 : | MEanalysis( const IMAGE * const pRef, | ||
2173 : | syskin | 1.44.2.18 | FRAMEINFO * const Current, |
2174 : | Isibaar | 1.44.2.2 | MBParam * const pParam, |
2175 : | syskin | 1.44.2.18 | int maxIntra, //maximum number if non-I frames |
2176 : | int intraCount, //number of non-I frames after last I frame; 0 if we force P/B frame | ||
2177 : | int bCount) // number if B frames in a row | ||
2178 : | Isibaar | 1.44.2.2 | { |
2179 : | uint32_t x, y, intra = 0; | ||
2180 : | int sSAD = 0; | ||
2181 : | syskin | 1.44.2.18 | MACROBLOCK * const pMBs = Current->mbs; |
2182 : | const IMAGE * const pCurrent = &Current->image; | ||
2183 : | int IntraThresh = INTRA_THRESH, InterThresh = INTER_THRESH; | ||
2184 : | h | 1.44.2.3 | |
2185 : | VECTOR currentMV; | ||
2186 : | int32_t iMinSAD; | ||
2187 : | SearchData Data; | ||
2188 : | Data.iEdgedWidth = pParam->edged_width; | ||
2189 : | Data.currentMV = ¤tMV; | ||
2190 : | Data.iMinSAD = &iMinSAD; | ||
2191 : | syskin | 1.44.2.18 | Data.iFcode = Current->fcode; |
2192 : | syskin | 1.44.2.17 | CheckCandidate = CheckCandidate16no4vI; |
2193 : | h | 1.44.2.3 | |
2194 : | syskin | 1.44.2.19 | if (intraCount < 10) // we're right after an I frame |
2195 : | IntraThresh += 4 * (intraCount - 10) * (intraCount - 10); | ||
2196 : | syskin | 1.44.2.18 | else |
2197 : | if ( 5*(maxIntra - intraCount) < maxIntra) // we're close to maximum. 2 sec when max is 10 sec | ||
2198 : | IntraThresh -= (IntraThresh * (maxIntra - 5*(maxIntra - intraCount)))/maxIntra; | ||
2199 : | |||
2200 : | |||
2201 : | syskin | 1.44.2.26 | InterThresh += 400 * (1 - bCount); |
2202 : | syskin | 1.44.2.18 | if (InterThresh < 200) InterThresh = 200; |
2203 : | |||
2204 : | Isibaar | 1.44.2.2 | if (sadInit) (*sadInit) (); |
2205 : | |||
2206 : | syskin | 1.44.2.32 | for (y = 1; y < pParam->mb_height-1; y++) { |
2207 : | for (x = 1; x < pParam->mb_width-1; x++) { | ||
2208 : | Isibaar | 1.44.2.2 | int sad, dev; |
2209 : | MACROBLOCK *pMB = &pMBs[x + y * pParam->mb_width]; | ||
2210 : | |||
2211 : | sad = MEanalyzeMB(pRef->y, pCurrent->y, x, y, | ||
2212 : | h | 1.44.2.3 | pParam, pMBs, pMB, &Data); |
2213 : | Isibaar | 1.44.2.2 | |
2214 : | syskin | 1.44.2.18 | if (sad > IntraThresh) { |
2215 : | syskin | 1.44.2.11 | dev = dev16(pCurrent->y + (x + y * pParam->edged_width) * 16, |
2216 : | pParam->edged_width); | ||
2217 : | syskin | 1.44.2.18 | if (dev + IntraThresh < sad) { |
2218 : | pMB->mode = MODE_INTRA; | ||
2219 : | suxen_drol | 1.44.2.33 | if (++intra > (pParam->mb_height-2)*(pParam->mb_width-2)/2) return I_VOP; |
2220 : | Isibaar | 1.44.2.2 | } |
2221 : | syskin | 1.44.2.18 | } |
2222 : | syskin | 1.44.2.11 | sSAD += sad; |
2223 : | suxen_drol | 1.6 | } |
2224 : | } | ||
2225 : | syskin | 1.44.2.32 | sSAD /= (pParam->mb_height-2)*(pParam->mb_width-2); |
2226 : | suxen_drol | 1.44.2.33 | if (sSAD > InterThresh ) return P_VOP; |
2227 : | Isibaar | 1.44.2.2 | emms(); |
2228 : | suxen_drol | 1.44.2.33 | return B_VOP; |
2229 : | chl | 1.44.2.13 | } |
2230 : | |||
2231 : | syskin | 1.44.2.14 | static void |
2232 : | CheckGMC(int x, int y, const int dir, int * iDirection, | ||
2233 : | const MACROBLOCK * const pMBs, uint32_t * bestcount, VECTOR * GMC, | ||
2234 : | const MBParam * const pParam) | ||
2235 : | { | ||
2236 : | uint32_t mx, my, a, count = 0; | ||
2237 : | |||
2238 : | for (my = 1; my < pParam->mb_height-1; my++) | ||
2239 : | for (mx = 1; mx < pParam->mb_width-1; mx++) { | ||
2240 : | VECTOR mv; | ||
2241 : | const MACROBLOCK *pMB = &pMBs[mx + my * pParam->mb_width]; | ||
2242 : | if (pMB->mode == MODE_INTRA || pMB->mode == MODE_NOT_CODED) continue; | ||
2243 : | mv = pMB->mvs[0]; | ||
2244 : | a = ABS(mv.x - x) + ABS(mv.y - y); | ||
2245 : | if (a < 6) count += 6 - a; | ||
2246 : | } | ||
2247 : | |||
2248 : | if (count > *bestcount) { | ||
2249 : | *bestcount = count; | ||
2250 : | *iDirection = dir; | ||
2251 : | GMC->x = x; GMC->y = y; | ||
2252 : | } | ||
2253 : | } | ||
2254 : | chl | 1.44.2.13 | |
2255 : | |||
2256 : | static VECTOR | ||
2257 : | GlobalMotionEst(const MACROBLOCK * const pMBs, const MBParam * const pParam, const uint32_t iFcode) | ||
2258 : | { | ||
2259 : | |||
2260 : | syskin | 1.44.2.14 | uint32_t count, bestcount = 0; |
2261 : | chl | 1.44.2.13 | int x, y; |
2262 : | syskin | 1.44.2.14 | VECTOR gmc = {0,0}; |
2263 : | chl | 1.44.2.13 | int step, min_x, max_x, min_y, max_y; |
2264 : | uint32_t mx, my; | ||
2265 : | syskin | 1.44.2.14 | int iDirection, bDirection; |
2266 : | chl | 1.44.2.13 | |
2267 : | min_x = min_y = -32<<iFcode; | ||
2268 : | max_x = max_y = 32<<iFcode; | ||
2269 : | |||
2270 : | syskin | 1.44.2.14 | //step1: let's find a rough camera panning |
2271 : | chl | 1.44.2.13 | for (step = 32; step >= 2; step /= 2) { |
2272 : | bestcount = 0; | ||
2273 : | for (y = min_y; y <= max_y; y += step) | ||
2274 : | for (x = min_x ; x <= max_x; x += step) { | ||
2275 : | count = 0; | ||
2276 : | //for all macroblocks | ||
2277 : | for (my = 1; my < pParam->mb_height-1; my++) | ||
2278 : | for (mx = 1; mx < pParam->mb_width-1; mx++) { | ||
2279 : | const MACROBLOCK *pMB = &pMBs[mx + my * pParam->mb_width]; | ||
2280 : | VECTOR mv; | ||
2281 : | |||
2282 : | if (pMB->mode == MODE_INTRA || pMB->mode == MODE_NOT_CODED) | ||
2283 : | continue; | ||
2284 : | |||
2285 : | mv = pMB->mvs[0]; | ||
2286 : | if ( ABS(mv.x - x) <= step && ABS(mv.y - y) <= step ) /* GMC translation is always halfpel-res */ | ||
2287 : | count++; | ||
2288 : | } | ||
2289 : | if (count >= bestcount) { bestcount = count; gmc.x = x; gmc.y = y; } | ||
2290 : | } | ||
2291 : | min_x = gmc.x - step; | ||
2292 : | max_x = gmc.x + step; | ||
2293 : | min_y = gmc.y - step; | ||
2294 : | max_y = gmc.y + step; | ||
2295 : | |||
2296 : | } | ||
2297 : | syskin | 1.44.2.14 | |
2298 : | if (bestcount < (pParam->mb_height-2)*(pParam->mb_width-2)/10) | ||
2299 : | gmc.x = gmc.y = 0; //no camara pan, no GMC | ||
2300 : | |||
2301 : | // step2: let's refine camera panning using gradiend-descent approach. | ||
2302 : | // TODO: more warping points may be evaluated here (like in interpolate mode search - two vectors in one diamond) | ||
2303 : | bestcount = 0; | ||
2304 : | CheckGMC(gmc.x, gmc.y, 255, &iDirection, pMBs, &bestcount, &gmc, pParam); | ||
2305 : | do { | ||
2306 : | x = gmc.x; y = gmc.y; | ||
2307 : | bDirection = iDirection; iDirection = 0; | ||
2308 : | if (bDirection & 1) CheckGMC(x - 1, y, 1+4+8, &iDirection, pMBs, &bestcount, &gmc, pParam); | ||
2309 : | if (bDirection & 2) CheckGMC(x + 1, y, 2+4+8, &iDirection, pMBs, &bestcount, &gmc, pParam); | ||
2310 : | if (bDirection & 4) CheckGMC(x, y - 1, 1+2+4, &iDirection, pMBs, &bestcount, &gmc, pParam); | ||
2311 : | if (bDirection & 8) CheckGMC(x, y + 1, 1+2+8, &iDirection, pMBs, &bestcount, &gmc, pParam); | ||
2312 : | |||
2313 : | } while (iDirection); | ||
2314 : | |||
2315 : | chl | 1.44.2.13 | if (pParam->m_quarterpel) { |
2316 : | gmc.x *= 2; | ||
2317 : | gmc.y *= 2; /* we store the halfpel value as pseudo-qpel to make comparison easier */ | ||
2318 : | } | ||
2319 : | |||
2320 : | return gmc; | ||
2321 : | Isibaar | 1.44.2.2 | } |
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