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1 : | edgomez | 1.20 | /***************************************************************************** |
2 : | * | ||
3 : | * XVID MPEG-4 VIDEO CODEC | ||
4 : | * - Motion Compensation related code - | ||
5 : | * | ||
6 : | * Copyright(C) 2002 Peter Ross <pross@xvid.org> | ||
7 : | * 2003 Christoph Lampert <gruel@web.de> | ||
8 : | * | ||
9 : | * This program is free software ; you can redistribute it and/or modify | ||
10 : | * it under the terms of the GNU General Public License as published by | ||
11 : | * the Free Software Foundation ; either version 2 of the License, or | ||
12 : | * (at your option) any later version. | ||
13 : | * | ||
14 : | * This program is distributed in the hope that it will be useful, | ||
15 : | * but WITHOUT ANY WARRANTY ; without even the implied warranty of | ||
16 : | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
17 : | * GNU General Public License for more details. | ||
18 : | * | ||
19 : | * You should have received a copy of the GNU General Public License | ||
20 : | * along with this program ; if not, write to the Free Software | ||
21 : | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||
22 : | * | ||
23 : | syskin | 1.23 | * $Id: motion_comp.c,v 1.22 2004/10/12 21:08:41 edgomez Exp $ |
24 : | edgomez | 1.20 | * |
25 : | ****************************************************************************/ | ||
26 : | edgomez | 1.17 | |
27 : | #include <stdio.h> | ||
28 : | suxen_drol | 1.3 | |
29 : | Isibaar | 1.1 | #include "../encoder.h" |
30 : | #include "../utils/mbfunctions.h" | ||
31 : | #include "../image/interpolate8x8.h" | ||
32 : | edgomez | 1.20 | #include "../image/qpel.h" |
33 : | Isibaar | 1.1 | #include "../utils/timer.h" |
34 : | suxen_drol | 1.3 | #include "motion.h" |
35 : | Isibaar | 1.1 | |
36 : | syskin | 1.23 | /* |
37 : | edgomez | 1.20 | * getref: calculate reference image pointer |
38 : | * the decision to use interpolation h/v/hv or the normal image is | ||
39 : | * based on dx & dy. | ||
40 : | */ | ||
41 : | |||
42 : | static __inline const uint8_t * | ||
43 : | get_ref(const uint8_t * const refn, | ||
44 : | const uint8_t * const refh, | ||
45 : | const uint8_t * const refv, | ||
46 : | const uint8_t * const refhv, | ||
47 : | const uint32_t x, | ||
48 : | const uint32_t y, | ||
49 : | const uint32_t block, | ||
50 : | const int32_t dx, | ||
51 : | const int32_t dy, | ||
52 : | const int32_t stride) | ||
53 : | { | ||
54 : | switch (((dx & 1) << 1) + (dy & 1)) { | ||
55 : | case 0: | ||
56 : | edgomez | 1.22 | return refn + (int) (((int)x * (int)block + dx / 2) + ((int)y * (int)block + dy / 2) * (int)stride); |
57 : | edgomez | 1.20 | case 1: |
58 : | edgomez | 1.22 | return refv + (int) (((int)x * (int)block + dx / 2) + ((int)y * (int)block + (dy - 1) / 2) * (int)stride); |
59 : | edgomez | 1.20 | case 2: |
60 : | edgomez | 1.22 | return refh + (int) (((int)x * (int)block + (dx - 1) / 2) + ((int)y * (int)block + dy / 2) * (int)stride); |
61 : | edgomez | 1.20 | default: |
62 : | edgomez | 1.22 | return refhv + (int) (((int)x * (int)block + (dx - 1) / 2) + ((int)y * (int)block + (dy - 1) / 2) * (int)stride); |
63 : | edgomez | 1.20 | } |
64 : | } | ||
65 : | Isibaar | 1.1 | |
66 : | edgomez | 1.5 | static __inline void |
67 : | edgomez | 1.17 | compensate16x16_interpolate(int16_t * const dct_codes, |
68 : | uint8_t * const cur, | ||
69 : | const uint8_t * const ref, | ||
70 : | const uint8_t * const refh, | ||
71 : | const uint8_t * const refv, | ||
72 : | const uint8_t * const refhv, | ||
73 : | uint8_t * const tmp, | ||
74 : | uint32_t x, | ||
75 : | uint32_t y, | ||
76 : | const int32_t dx, | ||
77 : | const int32_t dy, | ||
78 : | const int32_t stride, | ||
79 : | const int quarterpel, | ||
80 : | const int32_t rounding) | ||
81 : | Isibaar | 1.1 | { |
82 : | edgomez | 1.17 | const uint8_t * ptr; |
83 : | |||
84 : | |||
85 : | syskin | 1.23 | if(quarterpel) { |
86 : | if ((dx&3) | (dy&3)) { | ||
87 : | interpolate16x16_quarterpel(tmp - y * stride - x, | ||
88 : | (uint8_t *) ref, tmp + 32, | ||
89 : | tmp + 64, tmp + 96, x, y, dx, dy, stride, rounding); | ||
90 : | ptr = tmp; | ||
91 : | } else ptr = ref + ((int)y + dy/4)*(int)stride + (int)x + dx/4; /* fullpixel position */ | ||
92 : | syskin | 1.19 | |
93 : | syskin | 1.23 | } else ptr = get_ref(ref, refh, refv, refhv, x, y, 1, dx, dy, stride); |
94 : | edgomez | 1.17 | |
95 : | syskin | 1.23 | transfer_8to16sub(dct_codes, cur + y * stride + x, |
96 : | ptr, stride); | ||
97 : | transfer_8to16sub(dct_codes+64, cur + y * stride + x + 8, | ||
98 : | ptr + 8, stride); | ||
99 : | transfer_8to16sub(dct_codes+128, cur + y * stride + x + 8*stride, | ||
100 : | ptr + 8*stride, stride); | ||
101 : | transfer_8to16sub(dct_codes+192, cur + y * stride + x + 8*stride+8, | ||
102 : | ptr + 8*stride + 8, stride); | ||
103 : | syskin | 1.19 | |
104 : | edgomez | 1.17 | } |
105 : | |||
106 : | static __inline void | ||
107 : | compensate8x8_interpolate( int16_t * const dct_codes, | ||
108 : | uint8_t * const cur, | ||
109 : | const uint8_t * const ref, | ||
110 : | const uint8_t * const refh, | ||
111 : | const uint8_t * const refv, | ||
112 : | const uint8_t * const refhv, | ||
113 : | uint8_t * const tmp, | ||
114 : | uint32_t x, | ||
115 : | uint32_t y, | ||
116 : | const int32_t dx, | ||
117 : | const int32_t dy, | ||
118 : | const int32_t stride, | ||
119 : | const int32_t quarterpel, | ||
120 : | const int32_t rounding) | ||
121 : | { | ||
122 : | const uint8_t * ptr; | ||
123 : | |||
124 : | syskin | 1.23 | if(quarterpel) { |
125 : | if ((dx&3) | (dy&3)) { | ||
126 : | interpolate8x8_quarterpel(tmp - y*stride - x, | ||
127 : | (uint8_t *) ref, tmp + 32, | ||
128 : | tmp + 64, tmp + 96, x, y, dx, dy, stride, rounding); | ||
129 : | ptr = tmp; | ||
130 : | } else ptr = ref + ((int)y + dy/4)*(int)stride + (int)x + dx/4; /* fullpixel position */ | ||
131 : | } else ptr = get_ref(ref, refh, refv, refhv, x, y, 1, dx, dy, stride); | ||
132 : | edgomez | 1.17 | |
133 : | syskin | 1.23 | transfer_8to16sub(dct_codes, cur + y * stride + x, ptr, stride); |
134 : | Isibaar | 1.1 | } |
135 : | |||
136 : | edgomez | 1.17 | |
137 : | static void | ||
138 : | CompensateChroma( int dx, int dy, | ||
139 : | const int i, const int j, | ||
140 : | IMAGE * const Cur, | ||
141 : | const IMAGE * const Ref, | ||
142 : | uint8_t * const temp, | ||
143 : | int16_t * const coeff, | ||
144 : | const int32_t stride, | ||
145 : | syskin | 1.23 | const int rounding) |
146 : | edgomez | 1.17 | { /* uv-block-based compensation */ |
147 : | |||
148 : | syskin | 1.23 | transfer_8to16sub(coeff, Cur->u + 8 * j * stride + 8 * i, |
149 : | interpolate8x8_switch2(temp, Ref->u, 8 * i, 8 * j, | ||
150 : | dx, dy, stride, rounding), | ||
151 : | stride); | ||
152 : | transfer_8to16sub(coeff + 64, Cur->v + 8 * j * stride + 8 * i, | ||
153 : | interpolate8x8_switch2(temp, Ref->v, 8 * i, 8 * j, | ||
154 : | dx, dy, stride, rounding), | ||
155 : | stride); | ||
156 : | edgomez | 1.17 | } |
157 : | Isibaar | 1.1 | |
158 : | edgomez | 1.5 | void |
159 : | MBMotionCompensation(MACROBLOCK * const mb, | ||
160 : | syskin | 1.19 | const uint32_t i, |
161 : | const uint32_t j, | ||
162 : | const IMAGE * const ref, | ||
163 : | const IMAGE * const refh, | ||
164 : | const IMAGE * const refv, | ||
165 : | const IMAGE * const refhv, | ||
166 : | const IMAGE * const refGMC, | ||
167 : | IMAGE * const cur, | ||
168 : | int16_t * dct_codes, | ||
169 : | const uint32_t width, | ||
170 : | const uint32_t height, | ||
171 : | const uint32_t edged_width, | ||
172 : | const int32_t quarterpel, | ||
173 : | const int32_t rounding) | ||
174 : | edgomez | 1.17 | { |
175 : | int32_t dx; | ||
176 : | int32_t dy; | ||
177 : | |||
178 : | uint8_t * const tmp = refv->u; | ||
179 : | |||
180 : | syskin | 1.23 | if (mb->mode == MODE_NOT_CODED) { /* quick copy for early SKIP */ |
181 : | edgomez | 1.17 | /* early SKIP is only activated in P-VOPs, not in S-VOPs, so mcsel can never be 1 */ |
182 : | |||
183 : | transfer16x16_copy(cur->y + 16 * (i + j * edged_width), | ||
184 : | syskin | 1.19 | ref->y + 16 * (i + j * edged_width), |
185 : | edged_width); | ||
186 : | |||
187 : | edgomez | 1.17 | transfer8x8_copy(cur->u + 8 * (i + j * edged_width/2), |
188 : | ref->u + 8 * (i + j * edged_width/2), | ||
189 : | edged_width / 2); | ||
190 : | transfer8x8_copy(cur->v + 8 * (i + j * edged_width/2), | ||
191 : | ref->v + 8 * (i + j * edged_width/2), | ||
192 : | edged_width / 2); | ||
193 : | return; | ||
194 : | } | ||
195 : | |||
196 : | syskin | 1.19 | if ((mb->mode == MODE_NOT_CODED || mb->mode == MODE_INTER |
197 : | edgomez | 1.17 | || mb->mode == MODE_INTER_Q)) { |
198 : | |||
199 : | if (mb->mcsel) { | ||
200 : | syskin | 1.19 | |
201 : | edgomez | 1.17 | /* call normal routine once, easier than "if (mcsel)"ing all the time */ |
202 : | syskin | 1.19 | |
203 : | edgomez | 1.17 | transfer_8to16sub(&dct_codes[0*64], cur->y + 16*j*edged_width + 16*i, |
204 : | syskin | 1.19 | refGMC->y + 16*j*edged_width + 16*i, edged_width); |
205 : | edgomez | 1.17 | transfer_8to16sub(&dct_codes[1*64], cur->y + 16*j*edged_width + 16*i+8, |
206 : | syskin | 1.19 | refGMC->y + 16*j*edged_width + 16*i+8, edged_width); |
207 : | edgomez | 1.17 | transfer_8to16sub(&dct_codes[2*64], cur->y + (16*j+8)*edged_width + 16*i, |
208 : | syskin | 1.19 | refGMC->y + (16*j+8)*edged_width + 16*i, edged_width); |
209 : | edgomez | 1.17 | transfer_8to16sub(&dct_codes[3*64], cur->y + (16*j+8)*edged_width + 16*i+8, |
210 : | syskin | 1.19 | refGMC->y + (16*j+8)*edged_width + 16*i+8, edged_width); |
211 : | edgomez | 1.17 | |
212 : | transfer_8to16sub(&dct_codes[4 * 64], cur->u + 8 *j*edged_width/2 + 8*i, | ||
213 : | refGMC->u + 8 *j*edged_width/2 + 8*i, edged_width/2); | ||
214 : | |||
215 : | transfer_8to16sub(&dct_codes[5 * 64], cur->v + 8*j* edged_width/2 + 8*i, | ||
216 : | refGMC->v + 8*j* edged_width/2 + 8*i, edged_width/2); | ||
217 : | |||
218 : | return; | ||
219 : | } | ||
220 : | |||
221 : | /* ordinary compensation */ | ||
222 : | syskin | 1.19 | |
223 : | edgomez | 1.17 | dx = (quarterpel ? mb->qmvs[0].x : mb->mvs[0].x); |
224 : | dy = (quarterpel ? mb->qmvs[0].y : mb->mvs[0].y); | ||
225 : | |||
226 : | compensate16x16_interpolate(&dct_codes[0 * 64], cur->y, ref->y, refh->y, | ||
227 : | refv->y, refhv->y, tmp, 16 * i, 16 * j, dx, dy, | ||
228 : | syskin | 1.23 | edged_width, quarterpel, rounding); |
229 : | edgomez | 1.17 | |
230 : | syskin | 1.19 | if (quarterpel) { dx /= 2; dy /= 2; } |
231 : | |||
232 : | edgomez | 1.17 | dx = (dx >> 1) + roundtab_79[dx & 0x3]; |
233 : | dy = (dy >> 1) + roundtab_79[dy & 0x3]; | ||
234 : | |||
235 : | edgomez | 1.20 | } else { /* mode == MODE_INTER4V */ |
236 : | edgomez | 1.17 | int k, sumx = 0, sumy = 0; |
237 : | const VECTOR * const mvs = (quarterpel ? mb->qmvs : mb->mvs); | ||
238 : | |||
239 : | for (k = 0; k < 4; k++) { | ||
240 : | dx = mvs[k].x; | ||
241 : | dy = mvs[k].y; | ||
242 : | syskin | 1.19 | sumx += quarterpel ? dx/2 : dx; |
243 : | sumy += quarterpel ? dy/2 : dy; | ||
244 : | edgomez | 1.17 | |
245 : | compensate8x8_interpolate(&dct_codes[k * 64], cur->y, ref->y, refh->y, | ||
246 : | refv->y, refhv->y, tmp, 16 * i + 8*(k&1), 16 * j + 8*(k>>1), dx, | ||
247 : | syskin | 1.23 | dy, edged_width, quarterpel, rounding); |
248 : | edgomez | 1.17 | } |
249 : | dx = (sumx >> 3) + roundtab_76[sumx & 0xf]; | ||
250 : | dy = (sumy >> 3) + roundtab_76[sumy & 0xf]; | ||
251 : | } | ||
252 : | |||
253 : | CompensateChroma(dx, dy, i, j, cur, ref, tmp, | ||
254 : | syskin | 1.23 | &dct_codes[4 * 64], edged_width / 2, rounding); |
255 : | edgomez | 1.17 | } |
256 : | |||
257 : | |||
258 : | void | ||
259 : | MBMotionCompensationBVOP(MBParam * pParam, | ||
260 : | MACROBLOCK * const mb, | ||
261 : | const uint32_t i, | ||
262 : | const uint32_t j, | ||
263 : | IMAGE * const cur, | ||
264 : | const IMAGE * const f_ref, | ||
265 : | const IMAGE * const f_refh, | ||
266 : | const IMAGE * const f_refv, | ||
267 : | const IMAGE * const f_refhv, | ||
268 : | const IMAGE * const b_ref, | ||
269 : | const IMAGE * const b_refh, | ||
270 : | const IMAGE * const b_refv, | ||
271 : | const IMAGE * const b_refhv, | ||
272 : | int16_t * dct_codes) | ||
273 : | { | ||
274 : | const uint32_t edged_width = pParam->edged_width; | ||
275 : | int32_t dx, dy, b_dx, b_dy, sumx, sumy, b_sumx, b_sumy; | ||
276 : | int k; | ||
277 : | edgomez | 1.20 | const int quarterpel = pParam->vol_flags & XVID_VOL_QUARTERPEL; |
278 : | edgomez | 1.17 | const uint8_t * ptr1, * ptr2; |
279 : | uint8_t * const tmp = f_refv->u; | ||
280 : | const VECTOR * const fmvs = (quarterpel ? mb->qmvs : mb->mvs); | ||
281 : | const VECTOR * const bmvs = (quarterpel ? mb->b_qmvs : mb->b_mvs); | ||
282 : | |||
283 : | switch (mb->mode) { | ||
284 : | case MODE_FORWARD: | ||
285 : | dx = fmvs->x; dy = fmvs->y; | ||
286 : | |||
287 : | compensate16x16_interpolate(&dct_codes[0 * 64], cur->y, f_ref->y, f_refh->y, | ||
288 : | f_refv->y, f_refhv->y, tmp, 16 * i, 16 * j, dx, | ||
289 : | syskin | 1.23 | dy, edged_width, quarterpel, 0); |
290 : | edgomez | 1.17 | |
291 : | if (quarterpel) { dx /= 2; dy /= 2; } | ||
292 : | |||
293 : | CompensateChroma( (dx >> 1) + roundtab_79[dx & 0x3], | ||
294 : | (dy >> 1) + roundtab_79[dy & 0x3], | ||
295 : | i, j, cur, f_ref, tmp, | ||
296 : | syskin | 1.23 | &dct_codes[4 * 64], edged_width / 2, 0); |
297 : | edgomez | 1.17 | |
298 : | return; | ||
299 : | |||
300 : | case MODE_BACKWARD: | ||
301 : | b_dx = bmvs->x; b_dy = bmvs->y; | ||
302 : | |||
303 : | syskin | 1.19 | compensate16x16_interpolate(&dct_codes[0 * 64], cur->y, b_ref->y, b_refh->y, |
304 : | edgomez | 1.17 | b_refv->y, b_refhv->y, tmp, 16 * i, 16 * j, b_dx, |
305 : | syskin | 1.23 | b_dy, edged_width, quarterpel, 0); |
306 : | edgomez | 1.17 | |
307 : | if (quarterpel) { b_dx /= 2; b_dy /= 2; } | ||
308 : | |||
309 : | CompensateChroma( (b_dx >> 1) + roundtab_79[b_dx & 0x3], | ||
310 : | (b_dy >> 1) + roundtab_79[b_dy & 0x3], | ||
311 : | i, j, cur, b_ref, tmp, | ||
312 : | syskin | 1.23 | &dct_codes[4 * 64], edged_width / 2, 0); |
313 : | edgomez | 1.17 | |
314 : | return; | ||
315 : | |||
316 : | syskin | 1.23 | case MODE_INTERPOLATE: |
317 : | edgomez | 1.17 | case MODE_DIRECT_NO4V: |
318 : | dx = fmvs->x; dy = fmvs->y; | ||
319 : | b_dx = bmvs->x; b_dy = bmvs->y; | ||
320 : | |||
321 : | if (quarterpel) { | ||
322 : | syskin | 1.19 | |
323 : | edgomez | 1.17 | if ((dx&3) | (dy&3)) { |
324 : | interpolate16x16_quarterpel(tmp - i * 16 - j * 16 * edged_width, | ||
325 : | (uint8_t *) f_ref->y, tmp + 32, | ||
326 : | tmp + 64, tmp + 96, 16*i, 16*j, dx, dy, edged_width, 0); | ||
327 : | ptr1 = tmp; | ||
328 : | edgomez | 1.22 | } else ptr1 = f_ref->y + (16*(int)j + dy/4)*(int)edged_width + 16*(int)i + dx/4; /* fullpixel position */ |
329 : | edgomez | 1.17 | |
330 : | if ((b_dx&3) | (b_dy&3)) { | ||
331 : | interpolate16x16_quarterpel(tmp - i * 16 - j * 16 * edged_width + 16, | ||
332 : | (uint8_t *) b_ref->y, tmp + 32, | ||
333 : | tmp + 64, tmp + 96, 16*i, 16*j, b_dx, b_dy, edged_width, 0); | ||
334 : | ptr2 = tmp + 16; | ||
335 : | edgomez | 1.22 | } else ptr2 = b_ref->y + (16*(int)j + b_dy/4)*(int)edged_width + 16*(int)i + b_dx/4; /* fullpixel position */ |
336 : | edgomez | 1.17 | |
337 : | b_dx /= 2; | ||
338 : | b_dy /= 2; | ||
339 : | dx /= 2; | ||
340 : | dy /= 2; | ||
341 : | |||
342 : | } else { | ||
343 : | ptr1 = get_ref(f_ref->y, f_refh->y, f_refv->y, f_refhv->y, | ||
344 : | i, j, 16, dx, dy, edged_width); | ||
345 : | |||
346 : | ptr2 = get_ref(b_ref->y, b_refh->y, b_refv->y, b_refhv->y, | ||
347 : | i, j, 16, b_dx, b_dy, edged_width); | ||
348 : | } | ||
349 : | for (k = 0; k < 4; k++) | ||
350 : | transfer_8to16sub2(&dct_codes[k * 64], | ||
351 : | cur->y + (i * 16+(k&1)*8) + (j * 16+((k>>1)*8)) * edged_width, | ||
352 : | ptr1 + (k&1)*8 + (k>>1)*8*edged_width, | ||
353 : | ptr2 + (k&1)*8 + (k>>1)*8*edged_width, edged_width); | ||
354 : | |||
355 : | |||
356 : | dx = (dx >> 1) + roundtab_79[dx & 0x3]; | ||
357 : | dy = (dy >> 1) + roundtab_79[dy & 0x3]; | ||
358 : | |||
359 : | b_dx = (b_dx >> 1) + roundtab_79[b_dx & 0x3]; | ||
360 : | b_dy = (b_dy >> 1) + roundtab_79[b_dy & 0x3]; | ||
361 : | |||
362 : | break; | ||
363 : | syskin | 1.19 | |
364 : | edgomez | 1.20 | default: /* MODE_DIRECT (or MODE_DIRECT_NONE_MV in case of bframes decoding) */ |
365 : | edgomez | 1.17 | sumx = sumy = b_sumx = b_sumy = 0; |
366 : | |||
367 : | for (k = 0; k < 4; k++) { | ||
368 : | syskin | 1.19 | |
369 : | edgomez | 1.17 | dx = fmvs[k].x; dy = fmvs[k].y; |
370 : | b_dx = bmvs[k].x; b_dy = bmvs[k].y; | ||
371 : | |||
372 : | if (quarterpel) { | ||
373 : | sumx += dx/2; sumy += dy/2; | ||
374 : | b_sumx += b_dx/2; b_sumy += b_dy/2; | ||
375 : | |||
376 : | if ((dx&3) | (dy&3)) { | ||
377 : | interpolate8x8_quarterpel(tmp - (i * 16+(k&1)*8) - (j * 16+((k>>1)*8)) * edged_width, | ||
378 : | syskin | 1.19 | (uint8_t *) f_ref->y, |
379 : | tmp + 32, tmp + 64, tmp + 96, | ||
380 : | edgomez | 1.17 | 16*i + (k&1)*8, 16*j + (k>>1)*8, dx, dy, edged_width, 0); |
381 : | ptr1 = tmp; | ||
382 : | edgomez | 1.22 | } else ptr1 = f_ref->y + (16*(int)j + (k>>1)*8 + dy/4)*(int)edged_width + 16*(int)i + (k&1)*8 + dx/4; |
383 : | edgomez | 1.17 | |
384 : | if ((b_dx&3) | (b_dy&3)) { | ||
385 : | interpolate8x8_quarterpel(tmp - (i * 16+(k&1)*8) - (j * 16+((k>>1)*8)) * edged_width + 16, | ||
386 : | (uint8_t *) b_ref->y, | ||
387 : | syskin | 1.19 | tmp + 16, tmp + 32, tmp + 48, |
388 : | edgomez | 1.17 | 16*i + (k&1)*8, 16*j + (k>>1)*8, b_dx, b_dy, edged_width, 0); |
389 : | ptr2 = tmp + 16; | ||
390 : | edgomez | 1.22 | } else ptr2 = b_ref->y + (16*(int)j + (k>>1)*8 + b_dy/4)*(int)edged_width + 16*(int)i + (k&1)*8 + b_dx/4; |
391 : | edgomez | 1.17 | } else { |
392 : | sumx += dx; sumy += dy; | ||
393 : | b_sumx += b_dx; b_sumy += b_dy; | ||
394 : | |||
395 : | syskin | 1.19 | ptr1 = get_ref(f_ref->y, f_refh->y, f_refv->y, f_refhv->y, |
396 : | edgomez | 1.17 | 2*i + (k&1), 2*j + (k>>1), 8, dx, dy, edged_width); |
397 : | syskin | 1.19 | ptr2 = get_ref(b_ref->y, b_refh->y, b_refv->y, b_refhv->y, |
398 : | edgomez | 1.17 | 2*i + (k&1), 2*j + (k>>1), 8, b_dx, b_dy, edged_width); |
399 : | } | ||
400 : | transfer_8to16sub2(&dct_codes[k * 64], | ||
401 : | cur->y + (i * 16+(k&1)*8) + (j * 16+((k>>1)*8)) * edged_width, | ||
402 : | ptr1, ptr2, edged_width); | ||
403 : | syskin | 1.19 | |
404 : | edgomez | 1.17 | } |
405 : | |||
406 : | dx = (sumx >> 3) + roundtab_76[sumx & 0xf]; | ||
407 : | dy = (sumy >> 3) + roundtab_76[sumy & 0xf]; | ||
408 : | b_dx = (b_sumx >> 3) + roundtab_76[b_sumx & 0xf]; | ||
409 : | b_dy = (b_sumy >> 3) + roundtab_76[b_sumy & 0xf]; | ||
410 : | |||
411 : | break; | ||
412 : | } | ||
413 : | |||
414 : | syskin | 1.23 | /* block-based chroma interpolation for direct and interpolate modes */ |
415 : | edgomez | 1.17 | transfer_8to16sub2(&dct_codes[4 * 64], |
416 : | cur->u + (j * 8) * edged_width / 2 + (i * 8), | ||
417 : | interpolate8x8_switch2(tmp, b_ref->u, 8 * i, 8 * j, | ||
418 : | b_dx, b_dy, edged_width / 2, 0), | ||
419 : | interpolate8x8_switch2(tmp + 8, f_ref->u, 8 * i, 8 * j, | ||
420 : | dx, dy, edged_width / 2, 0), | ||
421 : | edged_width / 2); | ||
422 : | |||
423 : | transfer_8to16sub2(&dct_codes[5 * 64], | ||
424 : | cur->v + (j * 8) * edged_width / 2 + (i * 8), | ||
425 : | interpolate8x8_switch2(tmp, b_ref->v, 8 * i, 8 * j, | ||
426 : | b_dx, b_dy, edged_width / 2, 0), | ||
427 : | interpolate8x8_switch2(tmp + 8, f_ref->v, 8 * i, 8 * j, | ||
428 : | dx, dy, edged_width / 2, 0), | ||
429 : | edged_width / 2); | ||
430 : | } |
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