19 |
* along with this program ; if not, write to the Free Software |
* along with this program ; if not, write to the Free Software |
20 |
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
21 |
* |
* |
22 |
* $Id: interpolate8x8.c,v 1.14 2004-08-29 05:32:29 syskin Exp $ |
* $Id: interpolate8x8.c,v 1.15 2005-09-13 12:12:15 suxen_drol Exp $ |
23 |
* |
* |
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****************************************************************************/ |
****************************************************************************/ |
25 |
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|
32 |
INTERPOLATE8X8_PTR interpolate8x8_halfpel_v; |
INTERPOLATE8X8_PTR interpolate8x8_halfpel_v; |
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INTERPOLATE8X8_PTR interpolate8x8_halfpel_hv; |
INTERPOLATE8X8_PTR interpolate8x8_halfpel_hv; |
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35 |
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INTERPOLATE8X8_PTR interpolate8x4_halfpel_h; |
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INTERPOLATE8X8_PTR interpolate8x4_halfpel_v; |
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INTERPOLATE8X8_PTR interpolate8x4_halfpel_hv; |
38 |
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|
39 |
INTERPOLATE8X8_PTR interpolate8x8_halfpel_add; |
INTERPOLATE8X8_PTR interpolate8x8_halfpel_add; |
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INTERPOLATE8X8_PTR interpolate8x8_halfpel_h_add; |
INTERPOLATE8X8_PTR interpolate8x8_halfpel_h_add; |
41 |
INTERPOLATE8X8_PTR interpolate8x8_halfpel_v_add; |
INTERPOLATE8X8_PTR interpolate8x8_halfpel_v_add; |
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INTERPOLATE8X8_PTR interpolate8x8_halfpel_hv_add; |
INTERPOLATE8X8_PTR interpolate8x8_halfpel_hv_add; |
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INTERPOLATE8X8_AVG2_PTR interpolate8x8_avg2; |
INTERPOLATE8X8_AVG2_PTR interpolate8x8_avg2; |
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INTERPOLATE8X8_AVG4_PTR interpolate8x8_avg4; |
INTERPOLATE8X8_AVG4_PTR interpolate8x8_avg4; |
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} |
} |
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} |
} |
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/* dst = interpolate(src) */ |
146 |
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147 |
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void |
148 |
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interpolate8x4_halfpel_h_c(uint8_t * const dst, |
149 |
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const uint8_t * const src, |
150 |
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const uint32_t stride, |
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const uint32_t rounding) |
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{ |
153 |
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uintptr_t j; |
154 |
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if (rounding) { |
156 |
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for (j = 0; j < 4*stride; j+=stride) { |
157 |
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dst[j + 0] = (uint8_t)((src[j + 0] + src[j + 1] )>>1); |
158 |
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dst[j + 1] = (uint8_t)((src[j + 1] + src[j + 2] )>>1); |
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dst[j + 2] = (uint8_t)((src[j + 2] + src[j + 3] )>>1); |
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dst[j + 3] = (uint8_t)((src[j + 3] + src[j + 4] )>>1); |
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dst[j + 4] = (uint8_t)((src[j + 4] + src[j + 5] )>>1); |
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dst[j + 5] = (uint8_t)((src[j + 5] + src[j + 6] )>>1); |
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dst[j + 6] = (uint8_t)((src[j + 6] + src[j + 7] )>>1); |
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dst[j + 7] = (uint8_t)((src[j + 7] + src[j + 8] )>>1); |
165 |
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} |
166 |
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} else { |
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for (j = 0; j < 4*stride; j+=stride) { |
168 |
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dst[j + 0] = (uint8_t)((src[j + 0] + src[j + 1] + 1)>>1); |
169 |
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dst[j + 1] = (uint8_t)((src[j + 1] + src[j + 2] + 1)>>1); |
170 |
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dst[j + 2] = (uint8_t)((src[j + 2] + src[j + 3] + 1)>>1); |
171 |
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dst[j + 3] = (uint8_t)((src[j + 3] + src[j + 4] + 1)>>1); |
172 |
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dst[j + 4] = (uint8_t)((src[j + 4] + src[j + 5] + 1)>>1); |
173 |
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dst[j + 5] = (uint8_t)((src[j + 5] + src[j + 6] + 1)>>1); |
174 |
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dst[j + 6] = (uint8_t)((src[j + 6] + src[j + 7] + 1)>>1); |
175 |
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dst[j + 7] = (uint8_t)((src[j + 7] + src[j + 8] + 1)>>1); |
176 |
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} |
177 |
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} |
178 |
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} |
179 |
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180 |
/* dst = (dst + interpolate(src)/2 */ |
/* dst = (dst + interpolate(src)/2 */ |
181 |
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|
182 |
void |
void |
248 |
} |
} |
249 |
} |
} |
250 |
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|
251 |
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/* dst = interpolate(src) */ |
252 |
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|
253 |
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void |
254 |
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interpolate8x4_halfpel_v_c(uint8_t * const dst, |
255 |
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const uint8_t * const src, |
256 |
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const uint32_t stride, |
257 |
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const uint32_t rounding) |
258 |
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{ |
259 |
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uintptr_t j; |
260 |
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|
261 |
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|
262 |
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if (rounding) { |
263 |
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for (j = 0; j < 4*stride; j+=stride) { |
264 |
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dst[j + 0] = (uint8_t)((src[j + 0] + src[j + stride + 0] )>>1); |
265 |
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dst[j + 1] = (uint8_t)((src[j + 1] + src[j + stride + 1] )>>1); |
266 |
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dst[j + 2] = (uint8_t)((src[j + 2] + src[j + stride + 2] )>>1); |
267 |
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dst[j + 3] = (uint8_t)((src[j + 3] + src[j + stride + 3] )>>1); |
268 |
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dst[j + 4] = (uint8_t)((src[j + 4] + src[j + stride + 4] )>>1); |
269 |
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dst[j + 5] = (uint8_t)((src[j + 5] + src[j + stride + 5] )>>1); |
270 |
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dst[j + 6] = (uint8_t)((src[j + 6] + src[j + stride + 6] )>>1); |
271 |
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dst[j + 7] = (uint8_t)((src[j + 7] + src[j + stride + 7] )>>1); |
272 |
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} |
273 |
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} else { |
274 |
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for (j = 0; j < 4*stride; j+=stride) { |
275 |
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dst[j + 0] = (uint8_t)((src[j + 0] + src[j + stride + 0] + 1)>>1); |
276 |
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dst[j + 1] = (uint8_t)((src[j + 1] + src[j + stride + 1] + 1)>>1); |
277 |
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dst[j + 2] = (uint8_t)((src[j + 2] + src[j + stride + 2] + 1)>>1); |
278 |
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dst[j + 3] = (uint8_t)((src[j + 3] + src[j + stride + 3] + 1)>>1); |
279 |
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dst[j + 4] = (uint8_t)((src[j + 4] + src[j + stride + 4] + 1)>>1); |
280 |
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dst[j + 5] = (uint8_t)((src[j + 5] + src[j + stride + 5] + 1)>>1); |
281 |
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dst[j + 6] = (uint8_t)((src[j + 6] + src[j + stride + 6] + 1)>>1); |
282 |
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dst[j + 7] = (uint8_t)((src[j + 7] + src[j + stride + 7] + 1)>>1); |
283 |
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} |
284 |
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} |
285 |
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} |
286 |
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|
287 |
/* dst = (dst + interpolate(src))/2 */ |
/* dst = (dst + interpolate(src))/2 */ |
288 |
|
|
289 |
void |
void |
355 |
} |
} |
356 |
} |
} |
357 |
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|
358 |
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/* dst = interpolate(src) */ |
359 |
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|
360 |
|
void |
361 |
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interpolate8x4_halfpel_hv_c(uint8_t * const dst, |
362 |
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const uint8_t * const src, |
363 |
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const uint32_t stride, |
364 |
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const uint32_t rounding) |
365 |
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{ |
366 |
|
uintptr_t j; |
367 |
|
|
368 |
|
if (rounding) { |
369 |
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for (j = 0; j < 4*stride; j+=stride) { |
370 |
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dst[j + 0] = (uint8_t)((src[j+0] + src[j+1] + src[j+stride+0] + src[j+stride+1] +1)>>2); |
371 |
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dst[j + 1] = (uint8_t)((src[j+1] + src[j+2] + src[j+stride+1] + src[j+stride+2] +1)>>2); |
372 |
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dst[j + 2] = (uint8_t)((src[j+2] + src[j+3] + src[j+stride+2] + src[j+stride+3] +1)>>2); |
373 |
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dst[j + 3] = (uint8_t)((src[j+3] + src[j+4] + src[j+stride+3] + src[j+stride+4] +1)>>2); |
374 |
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dst[j + 4] = (uint8_t)((src[j+4] + src[j+5] + src[j+stride+4] + src[j+stride+5] +1)>>2); |
375 |
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dst[j + 5] = (uint8_t)((src[j+5] + src[j+6] + src[j+stride+5] + src[j+stride+6] +1)>>2); |
376 |
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dst[j + 6] = (uint8_t)((src[j+6] + src[j+7] + src[j+stride+6] + src[j+stride+7] +1)>>2); |
377 |
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dst[j + 7] = (uint8_t)((src[j+7] + src[j+8] + src[j+stride+7] + src[j+stride+8] +1)>>2); |
378 |
|
} |
379 |
|
} else { |
380 |
|
for (j = 0; j < 4*stride; j+=stride) { |
381 |
|
dst[j + 0] = (uint8_t)((src[j+0] + src[j+1] + src[j+stride+0] + src[j+stride+1] +2)>>2); |
382 |
|
dst[j + 1] = (uint8_t)((src[j+1] + src[j+2] + src[j+stride+1] + src[j+stride+2] +2)>>2); |
383 |
|
dst[j + 2] = (uint8_t)((src[j+2] + src[j+3] + src[j+stride+2] + src[j+stride+3] +2)>>2); |
384 |
|
dst[j + 3] = (uint8_t)((src[j+3] + src[j+4] + src[j+stride+3] + src[j+stride+4] +2)>>2); |
385 |
|
dst[j + 4] = (uint8_t)((src[j+4] + src[j+5] + src[j+stride+4] + src[j+stride+5] +2)>>2); |
386 |
|
dst[j + 5] = (uint8_t)((src[j+5] + src[j+6] + src[j+stride+5] + src[j+stride+6] +2)>>2); |
387 |
|
dst[j + 6] = (uint8_t)((src[j+6] + src[j+7] + src[j+stride+6] + src[j+stride+7] +2)>>2); |
388 |
|
dst[j + 7] = (uint8_t)((src[j+7] + src[j+8] + src[j+stride+7] + src[j+stride+8] +2)>>2); |
389 |
|
} |
390 |
|
} |
391 |
|
} |
392 |
|
|
393 |
/* dst = (interpolate(src) + dst)/2 */ |
/* dst = (interpolate(src) + dst)/2 */ |
394 |
|
|
395 |
void |
void |