Libav 0.7.1
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00001 /* 00002 * VC-1 and WMV3 decoder - DSP functions 00003 * Copyright (c) 2006 Konstantin Shishkov 00004 * 00005 * This file is part of Libav. 00006 * 00007 * Libav is free software; you can redistribute it and/or 00008 * modify it under the terms of the GNU Lesser General Public 00009 * License as published by the Free Software Foundation; either 00010 * version 2.1 of the License, or (at your option) any later version. 00011 * 00012 * Libav is distributed in the hope that it will be useful, 00013 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00014 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00015 * Lesser General Public License for more details. 00016 * 00017 * You should have received a copy of the GNU Lesser General Public 00018 * License along with Libav; if not, write to the Free Software 00019 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 00020 */ 00021 00028 #include "vc1dsp.h" 00029 00030 00033 static void vc1_v_overlap_c(uint8_t* src, int stride) 00034 { 00035 int i; 00036 int a, b, c, d; 00037 int d1, d2; 00038 int rnd = 1; 00039 for(i = 0; i < 8; i++) { 00040 a = src[-2*stride]; 00041 b = src[-stride]; 00042 c = src[0]; 00043 d = src[stride]; 00044 d1 = (a - d + 3 + rnd) >> 3; 00045 d2 = (a - d + b - c + 4 - rnd) >> 3; 00046 00047 src[-2*stride] = a - d1; 00048 src[-stride] = av_clip_uint8(b - d2); 00049 src[0] = av_clip_uint8(c + d2); 00050 src[stride] = d + d1; 00051 src++; 00052 rnd = !rnd; 00053 } 00054 } 00055 00058 static void vc1_h_overlap_c(uint8_t* src, int stride) 00059 { 00060 int i; 00061 int a, b, c, d; 00062 int d1, d2; 00063 int rnd = 1; 00064 for(i = 0; i < 8; i++) { 00065 a = src[-2]; 00066 b = src[-1]; 00067 c = src[0]; 00068 d = src[1]; 00069 d1 = (a - d + 3 + rnd) >> 3; 00070 d2 = (a - d + b - c + 4 - rnd) >> 3; 00071 00072 src[-2] = a - d1; 00073 src[-1] = av_clip_uint8(b - d2); 00074 src[0] = av_clip_uint8(c + d2); 00075 src[1] = d + d1; 00076 src += stride; 00077 rnd = !rnd; 00078 } 00079 } 00080 00081 static void vc1_v_s_overlap_c(DCTELEM *top, DCTELEM *bottom) 00082 { 00083 int i; 00084 int a, b, c, d; 00085 int d1, d2; 00086 int rnd1 = 4, rnd2 = 3; 00087 for(i = 0; i < 8; i++) { 00088 a = top[48]; 00089 b = top[56]; 00090 c = bottom[0]; 00091 d = bottom[8]; 00092 d1 = a - d; 00093 d2 = a - d + b - c; 00094 00095 top[48] = ((a << 3) - d1 + rnd1) >> 3; 00096 top[56] = ((b << 3) - d2 + rnd2) >> 3; 00097 bottom[0] = ((c << 3) + d2 + rnd1) >> 3; 00098 bottom[8] = ((d << 3) + d1 + rnd2) >> 3; 00099 00100 bottom++; 00101 top++; 00102 rnd2 = 7 - rnd2; 00103 rnd1 = 7 - rnd1; 00104 } 00105 } 00106 00107 static void vc1_h_s_overlap_c(DCTELEM *left, DCTELEM *right) 00108 { 00109 int i; 00110 int a, b, c, d; 00111 int d1, d2; 00112 int rnd1 = 4, rnd2 = 3; 00113 for(i = 0; i < 8; i++) { 00114 a = left[6]; 00115 b = left[7]; 00116 c = right[0]; 00117 d = right[1]; 00118 d1 = a - d; 00119 d2 = a - d + b - c; 00120 00121 left[6] = ((a << 3) - d1 + rnd1) >> 3; 00122 left[7] = ((b << 3) - d2 + rnd2) >> 3; 00123 right[0] = ((c << 3) + d2 + rnd1) >> 3; 00124 right[1] = ((d << 3) + d1 + rnd2) >> 3; 00125 00126 right += 8; 00127 left += 8; 00128 rnd2 = 7 - rnd2; 00129 rnd1 = 7 - rnd1; 00130 } 00131 } 00132 00141 static av_always_inline int vc1_filter_line(uint8_t* src, int stride, int pq){ 00142 uint8_t *cm = ff_cropTbl + MAX_NEG_CROP; 00143 00144 int a0 = (2*(src[-2*stride] - src[ 1*stride]) - 5*(src[-1*stride] - src[ 0*stride]) + 4) >> 3; 00145 int a0_sign = a0 >> 31; /* Store sign */ 00146 a0 = (a0 ^ a0_sign) - a0_sign; /* a0 = FFABS(a0); */ 00147 if(a0 < pq){ 00148 int a1 = FFABS((2*(src[-4*stride] - src[-1*stride]) - 5*(src[-3*stride] - src[-2*stride]) + 4) >> 3); 00149 int a2 = FFABS((2*(src[ 0*stride] - src[ 3*stride]) - 5*(src[ 1*stride] - src[ 2*stride]) + 4) >> 3); 00150 if(a1 < a0 || a2 < a0){ 00151 int clip = src[-1*stride] - src[ 0*stride]; 00152 int clip_sign = clip >> 31; 00153 clip = ((clip ^ clip_sign) - clip_sign)>>1; 00154 if(clip){ 00155 int a3 = FFMIN(a1, a2); 00156 int d = 5 * (a3 - a0); 00157 int d_sign = (d >> 31); 00158 d = ((d ^ d_sign) - d_sign) >> 3; 00159 d_sign ^= a0_sign; 00160 00161 if( d_sign ^ clip_sign ) 00162 d = 0; 00163 else{ 00164 d = FFMIN(d, clip); 00165 d = (d ^ d_sign) - d_sign; /* Restore sign */ 00166 src[-1*stride] = cm[src[-1*stride] - d]; 00167 src[ 0*stride] = cm[src[ 0*stride] + d]; 00168 } 00169 return 1; 00170 } 00171 } 00172 } 00173 return 0; 00174 } 00175 00185 static inline void vc1_loop_filter(uint8_t* src, int step, int stride, int len, int pq) 00186 { 00187 int i; 00188 int filt3; 00189 00190 for(i = 0; i < len; i += 4){ 00191 filt3 = vc1_filter_line(src + 2*step, stride, pq); 00192 if(filt3){ 00193 vc1_filter_line(src + 0*step, stride, pq); 00194 vc1_filter_line(src + 1*step, stride, pq); 00195 vc1_filter_line(src + 3*step, stride, pq); 00196 } 00197 src += step * 4; 00198 } 00199 } 00200 00201 static void vc1_v_loop_filter4_c(uint8_t *src, int stride, int pq) 00202 { 00203 vc1_loop_filter(src, 1, stride, 4, pq); 00204 } 00205 00206 static void vc1_h_loop_filter4_c(uint8_t *src, int stride, int pq) 00207 { 00208 vc1_loop_filter(src, stride, 1, 4, pq); 00209 } 00210 00211 static void vc1_v_loop_filter8_c(uint8_t *src, int stride, int pq) 00212 { 00213 vc1_loop_filter(src, 1, stride, 8, pq); 00214 } 00215 00216 static void vc1_h_loop_filter8_c(uint8_t *src, int stride, int pq) 00217 { 00218 vc1_loop_filter(src, stride, 1, 8, pq); 00219 } 00220 00221 static void vc1_v_loop_filter16_c(uint8_t *src, int stride, int pq) 00222 { 00223 vc1_loop_filter(src, 1, stride, 16, pq); 00224 } 00225 00226 static void vc1_h_loop_filter16_c(uint8_t *src, int stride, int pq) 00227 { 00228 vc1_loop_filter(src, stride, 1, 16, pq); 00229 } 00230 00233 static void vc1_inv_trans_8x8_dc_c(uint8_t *dest, int linesize, DCTELEM *block) 00234 { 00235 int i; 00236 int dc = block[0]; 00237 const uint8_t *cm; 00238 dc = (3 * dc + 1) >> 1; 00239 dc = (3 * dc + 16) >> 5; 00240 cm = ff_cropTbl + MAX_NEG_CROP + dc; 00241 for(i = 0; i < 8; i++){ 00242 dest[0] = cm[dest[0]]; 00243 dest[1] = cm[dest[1]]; 00244 dest[2] = cm[dest[2]]; 00245 dest[3] = cm[dest[3]]; 00246 dest[4] = cm[dest[4]]; 00247 dest[5] = cm[dest[5]]; 00248 dest[6] = cm[dest[6]]; 00249 dest[7] = cm[dest[7]]; 00250 dest += linesize; 00251 } 00252 } 00253 00254 static void vc1_inv_trans_8x8_c(DCTELEM block[64]) 00255 { 00256 int i; 00257 register int t1,t2,t3,t4,t5,t6,t7,t8; 00258 DCTELEM *src, *dst, temp[64]; 00259 00260 src = block; 00261 dst = temp; 00262 for(i = 0; i < 8; i++){ 00263 t1 = 12 * (src[ 0] + src[32]) + 4; 00264 t2 = 12 * (src[ 0] - src[32]) + 4; 00265 t3 = 16 * src[16] + 6 * src[48]; 00266 t4 = 6 * src[16] - 16 * src[48]; 00267 00268 t5 = t1 + t3; 00269 t6 = t2 + t4; 00270 t7 = t2 - t4; 00271 t8 = t1 - t3; 00272 00273 t1 = 16 * src[ 8] + 15 * src[24] + 9 * src[40] + 4 * src[56]; 00274 t2 = 15 * src[ 8] - 4 * src[24] - 16 * src[40] - 9 * src[56]; 00275 t3 = 9 * src[ 8] - 16 * src[24] + 4 * src[40] + 15 * src[56]; 00276 t4 = 4 * src[ 8] - 9 * src[24] + 15 * src[40] - 16 * src[56]; 00277 00278 dst[0] = (t5 + t1) >> 3; 00279 dst[1] = (t6 + t2) >> 3; 00280 dst[2] = (t7 + t3) >> 3; 00281 dst[3] = (t8 + t4) >> 3; 00282 dst[4] = (t8 - t4) >> 3; 00283 dst[5] = (t7 - t3) >> 3; 00284 dst[6] = (t6 - t2) >> 3; 00285 dst[7] = (t5 - t1) >> 3; 00286 00287 src += 1; 00288 dst += 8; 00289 } 00290 00291 src = temp; 00292 dst = block; 00293 for(i = 0; i < 8; i++){ 00294 t1 = 12 * (src[ 0] + src[32]) + 64; 00295 t2 = 12 * (src[ 0] - src[32]) + 64; 00296 t3 = 16 * src[16] + 6 * src[48]; 00297 t4 = 6 * src[16] - 16 * src[48]; 00298 00299 t5 = t1 + t3; 00300 t6 = t2 + t4; 00301 t7 = t2 - t4; 00302 t8 = t1 - t3; 00303 00304 t1 = 16 * src[ 8] + 15 * src[24] + 9 * src[40] + 4 * src[56]; 00305 t2 = 15 * src[ 8] - 4 * src[24] - 16 * src[40] - 9 * src[56]; 00306 t3 = 9 * src[ 8] - 16 * src[24] + 4 * src[40] + 15 * src[56]; 00307 t4 = 4 * src[ 8] - 9 * src[24] + 15 * src[40] - 16 * src[56]; 00308 00309 dst[ 0] = (t5 + t1) >> 7; 00310 dst[ 8] = (t6 + t2) >> 7; 00311 dst[16] = (t7 + t3) >> 7; 00312 dst[24] = (t8 + t4) >> 7; 00313 dst[32] = (t8 - t4 + 1) >> 7; 00314 dst[40] = (t7 - t3 + 1) >> 7; 00315 dst[48] = (t6 - t2 + 1) >> 7; 00316 dst[56] = (t5 - t1 + 1) >> 7; 00317 00318 src++; 00319 dst++; 00320 } 00321 } 00322 00325 static void vc1_inv_trans_8x4_dc_c(uint8_t *dest, int linesize, DCTELEM *block) 00326 { 00327 int i; 00328 int dc = block[0]; 00329 const uint8_t *cm; 00330 dc = ( 3 * dc + 1) >> 1; 00331 dc = (17 * dc + 64) >> 7; 00332 cm = ff_cropTbl + MAX_NEG_CROP + dc; 00333 for(i = 0; i < 4; i++){ 00334 dest[0] = cm[dest[0]]; 00335 dest[1] = cm[dest[1]]; 00336 dest[2] = cm[dest[2]]; 00337 dest[3] = cm[dest[3]]; 00338 dest[4] = cm[dest[4]]; 00339 dest[5] = cm[dest[5]]; 00340 dest[6] = cm[dest[6]]; 00341 dest[7] = cm[dest[7]]; 00342 dest += linesize; 00343 } 00344 } 00345 00346 static void vc1_inv_trans_8x4_c(uint8_t *dest, int linesize, DCTELEM *block) 00347 { 00348 int i; 00349 register int t1,t2,t3,t4,t5,t6,t7,t8; 00350 DCTELEM *src, *dst; 00351 const uint8_t *cm = ff_cropTbl + MAX_NEG_CROP; 00352 00353 src = block; 00354 dst = block; 00355 for(i = 0; i < 4; i++){ 00356 t1 = 12 * (src[0] + src[4]) + 4; 00357 t2 = 12 * (src[0] - src[4]) + 4; 00358 t3 = 16 * src[2] + 6 * src[6]; 00359 t4 = 6 * src[2] - 16 * src[6]; 00360 00361 t5 = t1 + t3; 00362 t6 = t2 + t4; 00363 t7 = t2 - t4; 00364 t8 = t1 - t3; 00365 00366 t1 = 16 * src[1] + 15 * src[3] + 9 * src[5] + 4 * src[7]; 00367 t2 = 15 * src[1] - 4 * src[3] - 16 * src[5] - 9 * src[7]; 00368 t3 = 9 * src[1] - 16 * src[3] + 4 * src[5] + 15 * src[7]; 00369 t4 = 4 * src[1] - 9 * src[3] + 15 * src[5] - 16 * src[7]; 00370 00371 dst[0] = (t5 + t1) >> 3; 00372 dst[1] = (t6 + t2) >> 3; 00373 dst[2] = (t7 + t3) >> 3; 00374 dst[3] = (t8 + t4) >> 3; 00375 dst[4] = (t8 - t4) >> 3; 00376 dst[5] = (t7 - t3) >> 3; 00377 dst[6] = (t6 - t2) >> 3; 00378 dst[7] = (t5 - t1) >> 3; 00379 00380 src += 8; 00381 dst += 8; 00382 } 00383 00384 src = block; 00385 for(i = 0; i < 8; i++){ 00386 t1 = 17 * (src[ 0] + src[16]) + 64; 00387 t2 = 17 * (src[ 0] - src[16]) + 64; 00388 t3 = 22 * src[ 8] + 10 * src[24]; 00389 t4 = 22 * src[24] - 10 * src[ 8]; 00390 00391 dest[0*linesize] = cm[dest[0*linesize] + ((t1 + t3) >> 7)]; 00392 dest[1*linesize] = cm[dest[1*linesize] + ((t2 - t4) >> 7)]; 00393 dest[2*linesize] = cm[dest[2*linesize] + ((t2 + t4) >> 7)]; 00394 dest[3*linesize] = cm[dest[3*linesize] + ((t1 - t3) >> 7)]; 00395 00396 src ++; 00397 dest++; 00398 } 00399 } 00400 00403 static void vc1_inv_trans_4x8_dc_c(uint8_t *dest, int linesize, DCTELEM *block) 00404 { 00405 int i; 00406 int dc = block[0]; 00407 const uint8_t *cm; 00408 dc = (17 * dc + 4) >> 3; 00409 dc = (12 * dc + 64) >> 7; 00410 cm = ff_cropTbl + MAX_NEG_CROP + dc; 00411 for(i = 0; i < 8; i++){ 00412 dest[0] = cm[dest[0]]; 00413 dest[1] = cm[dest[1]]; 00414 dest[2] = cm[dest[2]]; 00415 dest[3] = cm[dest[3]]; 00416 dest += linesize; 00417 } 00418 } 00419 00420 static void vc1_inv_trans_4x8_c(uint8_t *dest, int linesize, DCTELEM *block) 00421 { 00422 int i; 00423 register int t1,t2,t3,t4,t5,t6,t7,t8; 00424 DCTELEM *src, *dst; 00425 const uint8_t *cm = ff_cropTbl + MAX_NEG_CROP; 00426 00427 src = block; 00428 dst = block; 00429 for(i = 0; i < 8; i++){ 00430 t1 = 17 * (src[0] + src[2]) + 4; 00431 t2 = 17 * (src[0] - src[2]) + 4; 00432 t3 = 22 * src[1] + 10 * src[3]; 00433 t4 = 22 * src[3] - 10 * src[1]; 00434 00435 dst[0] = (t1 + t3) >> 3; 00436 dst[1] = (t2 - t4) >> 3; 00437 dst[2] = (t2 + t4) >> 3; 00438 dst[3] = (t1 - t3) >> 3; 00439 00440 src += 8; 00441 dst += 8; 00442 } 00443 00444 src = block; 00445 for(i = 0; i < 4; i++){ 00446 t1 = 12 * (src[ 0] + src[32]) + 64; 00447 t2 = 12 * (src[ 0] - src[32]) + 64; 00448 t3 = 16 * src[16] + 6 * src[48]; 00449 t4 = 6 * src[16] - 16 * src[48]; 00450 00451 t5 = t1 + t3; 00452 t6 = t2 + t4; 00453 t7 = t2 - t4; 00454 t8 = t1 - t3; 00455 00456 t1 = 16 * src[ 8] + 15 * src[24] + 9 * src[40] + 4 * src[56]; 00457 t2 = 15 * src[ 8] - 4 * src[24] - 16 * src[40] - 9 * src[56]; 00458 t3 = 9 * src[ 8] - 16 * src[24] + 4 * src[40] + 15 * src[56]; 00459 t4 = 4 * src[ 8] - 9 * src[24] + 15 * src[40] - 16 * src[56]; 00460 00461 dest[0*linesize] = cm[dest[0*linesize] + ((t5 + t1) >> 7)]; 00462 dest[1*linesize] = cm[dest[1*linesize] + ((t6 + t2) >> 7)]; 00463 dest[2*linesize] = cm[dest[2*linesize] + ((t7 + t3) >> 7)]; 00464 dest[3*linesize] = cm[dest[3*linesize] + ((t8 + t4) >> 7)]; 00465 dest[4*linesize] = cm[dest[4*linesize] + ((t8 - t4 + 1) >> 7)]; 00466 dest[5*linesize] = cm[dest[5*linesize] + ((t7 - t3 + 1) >> 7)]; 00467 dest[6*linesize] = cm[dest[6*linesize] + ((t6 - t2 + 1) >> 7)]; 00468 dest[7*linesize] = cm[dest[7*linesize] + ((t5 - t1 + 1) >> 7)]; 00469 00470 src ++; 00471 dest++; 00472 } 00473 } 00474 00477 static void vc1_inv_trans_4x4_dc_c(uint8_t *dest, int linesize, DCTELEM *block) 00478 { 00479 int i; 00480 int dc = block[0]; 00481 const uint8_t *cm; 00482 dc = (17 * dc + 4) >> 3; 00483 dc = (17 * dc + 64) >> 7; 00484 cm = ff_cropTbl + MAX_NEG_CROP + dc; 00485 for(i = 0; i < 4; i++){ 00486 dest[0] = cm[dest[0]]; 00487 dest[1] = cm[dest[1]]; 00488 dest[2] = cm[dest[2]]; 00489 dest[3] = cm[dest[3]]; 00490 dest += linesize; 00491 } 00492 } 00493 00494 static void vc1_inv_trans_4x4_c(uint8_t *dest, int linesize, DCTELEM *block) 00495 { 00496 int i; 00497 register int t1,t2,t3,t4; 00498 DCTELEM *src, *dst; 00499 const uint8_t *cm = ff_cropTbl + MAX_NEG_CROP; 00500 00501 src = block; 00502 dst = block; 00503 for(i = 0; i < 4; i++){ 00504 t1 = 17 * (src[0] + src[2]) + 4; 00505 t2 = 17 * (src[0] - src[2]) + 4; 00506 t3 = 22 * src[1] + 10 * src[3]; 00507 t4 = 22 * src[3] - 10 * src[1]; 00508 00509 dst[0] = (t1 + t3) >> 3; 00510 dst[1] = (t2 - t4) >> 3; 00511 dst[2] = (t2 + t4) >> 3; 00512 dst[3] = (t1 - t3) >> 3; 00513 00514 src += 8; 00515 dst += 8; 00516 } 00517 00518 src = block; 00519 for(i = 0; i < 4; i++){ 00520 t1 = 17 * (src[ 0] + src[16]) + 64; 00521 t2 = 17 * (src[ 0] - src[16]) + 64; 00522 t3 = 22 * src[ 8] + 10 * src[24]; 00523 t4 = 22 * src[24] - 10 * src[ 8]; 00524 00525 dest[0*linesize] = cm[dest[0*linesize] + ((t1 + t3) >> 7)]; 00526 dest[1*linesize] = cm[dest[1*linesize] + ((t2 - t4) >> 7)]; 00527 dest[2*linesize] = cm[dest[2*linesize] + ((t2 + t4) >> 7)]; 00528 dest[3*linesize] = cm[dest[3*linesize] + ((t1 - t3) >> 7)]; 00529 00530 src ++; 00531 dest++; 00532 } 00533 } 00534 00535 /* motion compensation functions */ 00537 #define VC1_MSPEL_FILTER_16B(DIR, TYPE) \ 00538 static av_always_inline int vc1_mspel_ ## DIR ## _filter_16bits(const TYPE *src, int stride, int mode) \ 00539 { \ 00540 switch(mode){ \ 00541 case 0: /* no shift - should not occur */ \ 00542 return 0; \ 00543 case 1: /* 1/4 shift */ \ 00544 return -4*src[-stride] + 53*src[0] + 18*src[stride] - 3*src[stride*2]; \ 00545 case 2: /* 1/2 shift */ \ 00546 return -src[-stride] + 9*src[0] + 9*src[stride] - src[stride*2]; \ 00547 case 3: /* 3/4 shift */ \ 00548 return -3*src[-stride] + 18*src[0] + 53*src[stride] - 4*src[stride*2]; \ 00549 } \ 00550 return 0; /* should not occur */ \ 00551 } 00552 00553 VC1_MSPEL_FILTER_16B(ver, uint8_t); 00554 VC1_MSPEL_FILTER_16B(hor, int16_t); 00555 00556 00559 static av_always_inline int vc1_mspel_filter(const uint8_t *src, int stride, int mode, int r) 00560 { 00561 switch(mode){ 00562 case 0: //no shift 00563 return src[0]; 00564 case 1: // 1/4 shift 00565 return (-4*src[-stride] + 53*src[0] + 18*src[stride] - 3*src[stride*2] + 32 - r) >> 6; 00566 case 2: // 1/2 shift 00567 return (-src[-stride] + 9*src[0] + 9*src[stride] - src[stride*2] + 8 - r) >> 4; 00568 case 3: // 3/4 shift 00569 return (-3*src[-stride] + 18*src[0] + 53*src[stride] - 4*src[stride*2] + 32 - r) >> 6; 00570 } 00571 return 0; //should not occur 00572 } 00573 00576 #define VC1_MSPEL_MC(OP, OPNAME)\ 00577 static void OPNAME ## vc1_mspel_mc(uint8_t *dst, const uint8_t *src, int stride, int hmode, int vmode, int rnd)\ 00578 {\ 00579 int i, j;\ 00580 \ 00581 if (vmode) { /* Horizontal filter to apply */\ 00582 int r;\ 00583 \ 00584 if (hmode) { /* Vertical filter to apply, output to tmp */\ 00585 static const int shift_value[] = { 0, 5, 1, 5 };\ 00586 int shift = (shift_value[hmode]+shift_value[vmode])>>1;\ 00587 int16_t tmp[11*8], *tptr = tmp;\ 00588 \ 00589 r = (1<<(shift-1)) + rnd-1;\ 00590 \ 00591 src -= 1;\ 00592 for(j = 0; j < 8; j++) {\ 00593 for(i = 0; i < 11; i++)\ 00594 tptr[i] = (vc1_mspel_ver_filter_16bits(src + i, stride, vmode)+r)>>shift;\ 00595 src += stride;\ 00596 tptr += 11;\ 00597 }\ 00598 \ 00599 r = 64-rnd;\ 00600 tptr = tmp+1;\ 00601 for(j = 0; j < 8; j++) {\ 00602 for(i = 0; i < 8; i++)\ 00603 OP(dst[i], (vc1_mspel_hor_filter_16bits(tptr + i, 1, hmode)+r)>>7);\ 00604 dst += stride;\ 00605 tptr += 11;\ 00606 }\ 00607 \ 00608 return;\ 00609 }\ 00610 else { /* No horizontal filter, output 8 lines to dst */\ 00611 r = 1-rnd;\ 00612 \ 00613 for(j = 0; j < 8; j++) {\ 00614 for(i = 0; i < 8; i++)\ 00615 OP(dst[i], vc1_mspel_filter(src + i, stride, vmode, r));\ 00616 src += stride;\ 00617 dst += stride;\ 00618 }\ 00619 return;\ 00620 }\ 00621 }\ 00622 \ 00623 /* Horizontal mode with no vertical mode */\ 00624 for(j = 0; j < 8; j++) {\ 00625 for(i = 0; i < 8; i++)\ 00626 OP(dst[i], vc1_mspel_filter(src + i, 1, hmode, rnd));\ 00627 dst += stride;\ 00628 src += stride;\ 00629 }\ 00630 } 00631 00632 #define op_put(a, b) a = av_clip_uint8(b) 00633 #define op_avg(a, b) a = (a + av_clip_uint8(b) + 1) >> 1 00634 00635 VC1_MSPEL_MC(op_put, put_) 00636 VC1_MSPEL_MC(op_avg, avg_) 00637 00638 /* pixel functions - really are entry points to vc1_mspel_mc */ 00639 00640 #define PUT_VC1_MSPEL(a, b)\ 00641 static void put_vc1_mspel_mc ## a ## b ##_c(uint8_t *dst, const uint8_t *src, int stride, int rnd) { \ 00642 put_vc1_mspel_mc(dst, src, stride, a, b, rnd); \ 00643 }\ 00644 static void avg_vc1_mspel_mc ## a ## b ##_c(uint8_t *dst, const uint8_t *src, int stride, int rnd) { \ 00645 avg_vc1_mspel_mc(dst, src, stride, a, b, rnd); \ 00646 } 00647 00648 PUT_VC1_MSPEL(1, 0) 00649 PUT_VC1_MSPEL(2, 0) 00650 PUT_VC1_MSPEL(3, 0) 00651 00652 PUT_VC1_MSPEL(0, 1) 00653 PUT_VC1_MSPEL(1, 1) 00654 PUT_VC1_MSPEL(2, 1) 00655 PUT_VC1_MSPEL(3, 1) 00656 00657 PUT_VC1_MSPEL(0, 2) 00658 PUT_VC1_MSPEL(1, 2) 00659 PUT_VC1_MSPEL(2, 2) 00660 PUT_VC1_MSPEL(3, 2) 00661 00662 PUT_VC1_MSPEL(0, 3) 00663 PUT_VC1_MSPEL(1, 3) 00664 PUT_VC1_MSPEL(2, 3) 00665 PUT_VC1_MSPEL(3, 3) 00666 00667 static void put_no_rnd_vc1_chroma_mc8_c(uint8_t *dst/*align 8*/, uint8_t *src/*align 1*/, int stride, int h, int x, int y){ 00668 const int A=(8-x)*(8-y); 00669 const int B=( x)*(8-y); 00670 const int C=(8-x)*( y); 00671 const int D=( x)*( y); 00672 int i; 00673 00674 assert(x<8 && y<8 && x>=0 && y>=0); 00675 00676 for(i=0; i<h; i++) 00677 { 00678 dst[0] = (A*src[0] + B*src[1] + C*src[stride+0] + D*src[stride+1] + 32 - 4) >> 6; 00679 dst[1] = (A*src[1] + B*src[2] + C*src[stride+1] + D*src[stride+2] + 32 - 4) >> 6; 00680 dst[2] = (A*src[2] + B*src[3] + C*src[stride+2] + D*src[stride+3] + 32 - 4) >> 6; 00681 dst[3] = (A*src[3] + B*src[4] + C*src[stride+3] + D*src[stride+4] + 32 - 4) >> 6; 00682 dst[4] = (A*src[4] + B*src[5] + C*src[stride+4] + D*src[stride+5] + 32 - 4) >> 6; 00683 dst[5] = (A*src[5] + B*src[6] + C*src[stride+5] + D*src[stride+6] + 32 - 4) >> 6; 00684 dst[6] = (A*src[6] + B*src[7] + C*src[stride+6] + D*src[stride+7] + 32 - 4) >> 6; 00685 dst[7] = (A*src[7] + B*src[8] + C*src[stride+7] + D*src[stride+8] + 32 - 4) >> 6; 00686 dst+= stride; 00687 src+= stride; 00688 } 00689 } 00690 00691 #define avg2(a,b) ((a+b+1)>>1) 00692 static void avg_no_rnd_vc1_chroma_mc8_c(uint8_t *dst/*align 8*/, uint8_t *src/*align 1*/, int stride, int h, int x, int y){ 00693 const int A=(8-x)*(8-y); 00694 const int B=( x)*(8-y); 00695 const int C=(8-x)*( y); 00696 const int D=( x)*( y); 00697 int i; 00698 00699 assert(x<8 && y<8 && x>=0 && y>=0); 00700 00701 for(i=0; i<h; i++) 00702 { 00703 dst[0] = avg2(dst[0], ((A*src[0] + B*src[1] + C*src[stride+0] + D*src[stride+1] + 32 - 4) >> 6)); 00704 dst[1] = avg2(dst[1], ((A*src[1] + B*src[2] + C*src[stride+1] + D*src[stride+2] + 32 - 4) >> 6)); 00705 dst[2] = avg2(dst[2], ((A*src[2] + B*src[3] + C*src[stride+2] + D*src[stride+3] + 32 - 4) >> 6)); 00706 dst[3] = avg2(dst[3], ((A*src[3] + B*src[4] + C*src[stride+3] + D*src[stride+4] + 32 - 4) >> 6)); 00707 dst[4] = avg2(dst[4], ((A*src[4] + B*src[5] + C*src[stride+4] + D*src[stride+5] + 32 - 4) >> 6)); 00708 dst[5] = avg2(dst[5], ((A*src[5] + B*src[6] + C*src[stride+5] + D*src[stride+6] + 32 - 4) >> 6)); 00709 dst[6] = avg2(dst[6], ((A*src[6] + B*src[7] + C*src[stride+6] + D*src[stride+7] + 32 - 4) >> 6)); 00710 dst[7] = avg2(dst[7], ((A*src[7] + B*src[8] + C*src[stride+7] + D*src[stride+8] + 32 - 4) >> 6)); 00711 dst+= stride; 00712 src+= stride; 00713 } 00714 } 00715 00716 av_cold void ff_vc1dsp_init(VC1DSPContext* dsp) { 00717 dsp->vc1_inv_trans_8x8 = vc1_inv_trans_8x8_c; 00718 dsp->vc1_inv_trans_4x8 = vc1_inv_trans_4x8_c; 00719 dsp->vc1_inv_trans_8x4 = vc1_inv_trans_8x4_c; 00720 dsp->vc1_inv_trans_4x4 = vc1_inv_trans_4x4_c; 00721 dsp->vc1_inv_trans_8x8_dc = vc1_inv_trans_8x8_dc_c; 00722 dsp->vc1_inv_trans_4x8_dc = vc1_inv_trans_4x8_dc_c; 00723 dsp->vc1_inv_trans_8x4_dc = vc1_inv_trans_8x4_dc_c; 00724 dsp->vc1_inv_trans_4x4_dc = vc1_inv_trans_4x4_dc_c; 00725 dsp->vc1_h_overlap = vc1_h_overlap_c; 00726 dsp->vc1_v_overlap = vc1_v_overlap_c; 00727 dsp->vc1_h_s_overlap = vc1_h_s_overlap_c; 00728 dsp->vc1_v_s_overlap = vc1_v_s_overlap_c; 00729 dsp->vc1_v_loop_filter4 = vc1_v_loop_filter4_c; 00730 dsp->vc1_h_loop_filter4 = vc1_h_loop_filter4_c; 00731 dsp->vc1_v_loop_filter8 = vc1_v_loop_filter8_c; 00732 dsp->vc1_h_loop_filter8 = vc1_h_loop_filter8_c; 00733 dsp->vc1_v_loop_filter16 = vc1_v_loop_filter16_c; 00734 dsp->vc1_h_loop_filter16 = vc1_h_loop_filter16_c; 00735 00736 dsp->put_vc1_mspel_pixels_tab[ 0] = ff_put_pixels8x8_c; 00737 dsp->put_vc1_mspel_pixels_tab[ 1] = put_vc1_mspel_mc10_c; 00738 dsp->put_vc1_mspel_pixels_tab[ 2] = put_vc1_mspel_mc20_c; 00739 dsp->put_vc1_mspel_pixels_tab[ 3] = put_vc1_mspel_mc30_c; 00740 dsp->put_vc1_mspel_pixels_tab[ 4] = put_vc1_mspel_mc01_c; 00741 dsp->put_vc1_mspel_pixels_tab[ 5] = put_vc1_mspel_mc11_c; 00742 dsp->put_vc1_mspel_pixels_tab[ 6] = put_vc1_mspel_mc21_c; 00743 dsp->put_vc1_mspel_pixels_tab[ 7] = put_vc1_mspel_mc31_c; 00744 dsp->put_vc1_mspel_pixels_tab[ 8] = put_vc1_mspel_mc02_c; 00745 dsp->put_vc1_mspel_pixels_tab[ 9] = put_vc1_mspel_mc12_c; 00746 dsp->put_vc1_mspel_pixels_tab[10] = put_vc1_mspel_mc22_c; 00747 dsp->put_vc1_mspel_pixels_tab[11] = put_vc1_mspel_mc32_c; 00748 dsp->put_vc1_mspel_pixels_tab[12] = put_vc1_mspel_mc03_c; 00749 dsp->put_vc1_mspel_pixels_tab[13] = put_vc1_mspel_mc13_c; 00750 dsp->put_vc1_mspel_pixels_tab[14] = put_vc1_mspel_mc23_c; 00751 dsp->put_vc1_mspel_pixels_tab[15] = put_vc1_mspel_mc33_c; 00752 00753 dsp->avg_vc1_mspel_pixels_tab[ 0] = ff_avg_pixels8x8_c; 00754 dsp->avg_vc1_mspel_pixels_tab[ 1] = avg_vc1_mspel_mc10_c; 00755 dsp->avg_vc1_mspel_pixels_tab[ 2] = avg_vc1_mspel_mc20_c; 00756 dsp->avg_vc1_mspel_pixels_tab[ 3] = avg_vc1_mspel_mc30_c; 00757 dsp->avg_vc1_mspel_pixels_tab[ 4] = avg_vc1_mspel_mc01_c; 00758 dsp->avg_vc1_mspel_pixels_tab[ 5] = avg_vc1_mspel_mc11_c; 00759 dsp->avg_vc1_mspel_pixels_tab[ 6] = avg_vc1_mspel_mc21_c; 00760 dsp->avg_vc1_mspel_pixels_tab[ 7] = avg_vc1_mspel_mc31_c; 00761 dsp->avg_vc1_mspel_pixels_tab[ 8] = avg_vc1_mspel_mc02_c; 00762 dsp->avg_vc1_mspel_pixels_tab[ 9] = avg_vc1_mspel_mc12_c; 00763 dsp->avg_vc1_mspel_pixels_tab[10] = avg_vc1_mspel_mc22_c; 00764 dsp->avg_vc1_mspel_pixels_tab[11] = avg_vc1_mspel_mc32_c; 00765 dsp->avg_vc1_mspel_pixels_tab[12] = avg_vc1_mspel_mc03_c; 00766 dsp->avg_vc1_mspel_pixels_tab[13] = avg_vc1_mspel_mc13_c; 00767 dsp->avg_vc1_mspel_pixels_tab[14] = avg_vc1_mspel_mc23_c; 00768 dsp->avg_vc1_mspel_pixels_tab[15] = avg_vc1_mspel_mc33_c; 00769 00770 dsp->put_no_rnd_vc1_chroma_pixels_tab[0]= put_no_rnd_vc1_chroma_mc8_c; 00771 dsp->avg_no_rnd_vc1_chroma_pixels_tab[0]= avg_no_rnd_vc1_chroma_mc8_c; 00772 00773 if (HAVE_ALTIVEC) 00774 ff_vc1dsp_init_altivec(dsp); 00775 if (HAVE_MMX) 00776 ff_vc1dsp_init_mmx(dsp); 00777 }