1/* 2 * Copyright (C) 2010 David Conrad 3 * Copyright (C) 2010 Ronald S. Bultje 4 * 5 * This file is part of Libav. 6 * 7 * Libav is free software; you can redistribute it and/or 8 * modify it under the terms of the GNU Lesser General Public 9 * License as published by the Free Software Foundation; either 10 * version 2.1 of the License, or (at your option) any later version. 11 * 12 * Libav is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 15 * Lesser General Public License for more details. 16 * 17 * You should have received a copy of the GNU Lesser General Public 18 * License along with Libav; if not, write to the Free Software 19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 20 */ 21 22/** 23 * @file 24 * VP8 compatible video decoder 25 */ 26 27#include "dsputil.h" 28#include "vp8dsp.h" 29 30// TODO: Maybe add dequant 31static void vp8_luma_dc_wht_c(DCTELEM block[4][4][16], DCTELEM dc[16]) 32{ 33 int i, t0, t1, t2, t3; 34 35 for (i = 0; i < 4; i++) { 36 t0 = dc[0*4+i] + dc[3*4+i]; 37 t1 = dc[1*4+i] + dc[2*4+i]; 38 t2 = dc[1*4+i] - dc[2*4+i]; 39 t3 = dc[0*4+i] - dc[3*4+i]; 40 41 dc[0*4+i] = t0 + t1; 42 dc[1*4+i] = t3 + t2; 43 dc[2*4+i] = t0 - t1; 44 dc[3*4+i] = t3 - t2; 45 } 46 47 for (i = 0; i < 4; i++) { 48 t0 = dc[i*4+0] + dc[i*4+3] + 3; // rounding 49 t1 = dc[i*4+1] + dc[i*4+2]; 50 t2 = dc[i*4+1] - dc[i*4+2]; 51 t3 = dc[i*4+0] - dc[i*4+3] + 3; // rounding 52 dc[i*4+0] = 0; 53 dc[i*4+1] = 0; 54 dc[i*4+2] = 0; 55 dc[i*4+3] = 0; 56 57 block[i][0][0] = (t0 + t1) >> 3; 58 block[i][1][0] = (t3 + t2) >> 3; 59 block[i][2][0] = (t0 - t1) >> 3; 60 block[i][3][0] = (t3 - t2) >> 3; 61 } 62} 63 64static void vp8_luma_dc_wht_dc_c(DCTELEM block[4][4][16], DCTELEM dc[16]) 65{ 66 int i, val = (dc[0] + 3) >> 3; 67 dc[0] = 0; 68 69 for (i = 0; i < 4; i++) { 70 block[i][0][0] = val; 71 block[i][1][0] = val; 72 block[i][2][0] = val; 73 block[i][3][0] = val; 74 } 75} 76 77#define MUL_20091(a) ((((a)*20091) >> 16) + (a)) 78#define MUL_35468(a) (((a)*35468) >> 16) 79 80static void vp8_idct_add_c(uint8_t *dst, DCTELEM block[16], int stride) 81{ 82 int i, t0, t1, t2, t3; 83 DCTELEM tmp[16]; 84 85 for (i = 0; i < 4; i++) { 86 t0 = block[0*4+i] + block[2*4+i]; 87 t1 = block[0*4+i] - block[2*4+i]; 88 t2 = MUL_35468(block[1*4+i]) - MUL_20091(block[3*4+i]); 89 t3 = MUL_20091(block[1*4+i]) + MUL_35468(block[3*4+i]); 90 block[0*4+i] = 0; 91 block[1*4+i] = 0; 92 block[2*4+i] = 0; 93 block[3*4+i] = 0; 94 95 tmp[i*4+0] = t0 + t3; 96 tmp[i*4+1] = t1 + t2; 97 tmp[i*4+2] = t1 - t2; 98 tmp[i*4+3] = t0 - t3; 99 } 100 101 for (i = 0; i < 4; i++) { 102 t0 = tmp[0*4+i] + tmp[2*4+i]; 103 t1 = tmp[0*4+i] - tmp[2*4+i]; 104 t2 = MUL_35468(tmp[1*4+i]) - MUL_20091(tmp[3*4+i]); 105 t3 = MUL_20091(tmp[1*4+i]) + MUL_35468(tmp[3*4+i]); 106 107 dst[0] = av_clip_uint8(dst[0] + ((t0 + t3 + 4) >> 3)); 108 dst[1] = av_clip_uint8(dst[1] + ((t1 + t2 + 4) >> 3)); 109 dst[2] = av_clip_uint8(dst[2] + ((t1 - t2 + 4) >> 3)); 110 dst[3] = av_clip_uint8(dst[3] + ((t0 - t3 + 4) >> 3)); 111 dst += stride; 112 } 113} 114 115static void vp8_idct_dc_add_c(uint8_t *dst, DCTELEM block[16], int stride) 116{ 117 int i, dc = (block[0] + 4) >> 3; 118 block[0] = 0; 119 120 for (i = 0; i < 4; i++) { 121 dst[0] = av_clip_uint8(dst[0] + dc); 122 dst[1] = av_clip_uint8(dst[1] + dc); 123 dst[2] = av_clip_uint8(dst[2] + dc); 124 dst[3] = av_clip_uint8(dst[3] + dc); 125 dst += stride; 126 } 127} 128 129static void vp8_idct_dc_add4uv_c(uint8_t *dst, DCTELEM block[4][16], int stride) 130{ 131 vp8_idct_dc_add_c(dst+stride*0+0, block[0], stride); 132 vp8_idct_dc_add_c(dst+stride*0+4, block[1], stride); 133 vp8_idct_dc_add_c(dst+stride*4+0, block[2], stride); 134 vp8_idct_dc_add_c(dst+stride*4+4, block[3], stride); 135} 136 137static void vp8_idct_dc_add4y_c(uint8_t *dst, DCTELEM block[4][16], int stride) 138{ 139 vp8_idct_dc_add_c(dst+ 0, block[0], stride); 140 vp8_idct_dc_add_c(dst+ 4, block[1], stride); 141 vp8_idct_dc_add_c(dst+ 8, block[2], stride); 142 vp8_idct_dc_add_c(dst+12, block[3], stride); 143} 144 145// because I like only having two parameters to pass functions... 146#define LOAD_PIXELS\ 147 int av_unused p3 = p[-4*stride];\ 148 int av_unused p2 = p[-3*stride];\ 149 int av_unused p1 = p[-2*stride];\ 150 int av_unused p0 = p[-1*stride];\ 151 int av_unused q0 = p[ 0*stride];\ 152 int av_unused q1 = p[ 1*stride];\ 153 int av_unused q2 = p[ 2*stride];\ 154 int av_unused q3 = p[ 3*stride]; 155 156#define clip_int8(n) (cm[n+0x80]-0x80) 157 158static av_always_inline void filter_common(uint8_t *p, int stride, int is4tap) 159{ 160 LOAD_PIXELS 161 int a, f1, f2; 162 uint8_t *cm = ff_cropTbl + MAX_NEG_CROP; 163 164 a = 3*(q0 - p0); 165 166 if (is4tap) 167 a += clip_int8(p1 - q1); 168 169 a = clip_int8(a); 170 171 // We deviate from the spec here with c(a+3) >> 3 172 // since that's what libvpx does. 173 f1 = FFMIN(a+4, 127) >> 3; 174 f2 = FFMIN(a+3, 127) >> 3; 175 176 // Despite what the spec says, we do need to clamp here to 177 // be bitexact with libvpx. 178 p[-1*stride] = cm[p0 + f2]; 179 p[ 0*stride] = cm[q0 - f1]; 180 181 // only used for _inner on blocks without high edge variance 182 if (!is4tap) { 183 a = (f1+1)>>1; 184 p[-2*stride] = cm[p1 + a]; 185 p[ 1*stride] = cm[q1 - a]; 186 } 187} 188 189static av_always_inline int simple_limit(uint8_t *p, int stride, int flim) 190{ 191 LOAD_PIXELS 192 return 2*FFABS(p0-q0) + (FFABS(p1-q1) >> 1) <= flim; 193} 194 195/** 196 * E - limit at the macroblock edge 197 * I - limit for interior difference 198 */ 199static av_always_inline int normal_limit(uint8_t *p, int stride, int E, int I) 200{ 201 LOAD_PIXELS 202 return simple_limit(p, stride, E) 203 && FFABS(p3-p2) <= I && FFABS(p2-p1) <= I && FFABS(p1-p0) <= I 204 && FFABS(q3-q2) <= I && FFABS(q2-q1) <= I && FFABS(q1-q0) <= I; 205} 206 207// high edge variance 208static av_always_inline int hev(uint8_t *p, int stride, int thresh) 209{ 210 LOAD_PIXELS 211 return FFABS(p1-p0) > thresh || FFABS(q1-q0) > thresh; 212} 213 214static av_always_inline void filter_mbedge(uint8_t *p, int stride) 215{ 216 int a0, a1, a2, w; 217 uint8_t *cm = ff_cropTbl + MAX_NEG_CROP; 218 219 LOAD_PIXELS 220 221 w = clip_int8(p1-q1); 222 w = clip_int8(w + 3*(q0-p0)); 223 224 a0 = (27*w + 63) >> 7; 225 a1 = (18*w + 63) >> 7; 226 a2 = ( 9*w + 63) >> 7; 227 228 p[-3*stride] = cm[p2 + a2]; 229 p[-2*stride] = cm[p1 + a1]; 230 p[-1*stride] = cm[p0 + a0]; 231 p[ 0*stride] = cm[q0 - a0]; 232 p[ 1*stride] = cm[q1 - a1]; 233 p[ 2*stride] = cm[q2 - a2]; 234} 235 236#define LOOP_FILTER(dir, size, stridea, strideb, maybe_inline) \ 237static maybe_inline void vp8_ ## dir ## _loop_filter ## size ## _c(uint8_t *dst, int stride,\ 238 int flim_E, int flim_I, int hev_thresh)\ 239{\ 240 int i;\ 241\ 242 for (i = 0; i < size; i++)\ 243 if (normal_limit(dst+i*stridea, strideb, flim_E, flim_I)) {\ 244 if (hev(dst+i*stridea, strideb, hev_thresh))\ 245 filter_common(dst+i*stridea, strideb, 1);\ 246 else\ 247 filter_mbedge(dst+i*stridea, strideb);\ 248 }\ 249}\ 250\ 251static maybe_inline void vp8_ ## dir ## _loop_filter ## size ## _inner_c(uint8_t *dst, int stride,\ 252 int flim_E, int flim_I, int hev_thresh)\ 253{\ 254 int i;\ 255\ 256 for (i = 0; i < size; i++)\ 257 if (normal_limit(dst+i*stridea, strideb, flim_E, flim_I)) {\ 258 int hv = hev(dst+i*stridea, strideb, hev_thresh);\ 259 if (hv) \ 260 filter_common(dst+i*stridea, strideb, 1);\ 261 else \ 262 filter_common(dst+i*stridea, strideb, 0);\ 263 }\ 264} 265 266LOOP_FILTER(v, 16, 1, stride,) 267LOOP_FILTER(h, 16, stride, 1,) 268 269#define UV_LOOP_FILTER(dir, stridea, strideb) \ 270LOOP_FILTER(dir, 8, stridea, strideb, av_always_inline) \ 271static void vp8_ ## dir ## _loop_filter8uv_c(uint8_t *dstU, uint8_t *dstV, int stride,\ 272 int fE, int fI, int hev_thresh)\ 273{\ 274 vp8_ ## dir ## _loop_filter8_c(dstU, stride, fE, fI, hev_thresh);\ 275 vp8_ ## dir ## _loop_filter8_c(dstV, stride, fE, fI, hev_thresh);\ 276}\ 277static void vp8_ ## dir ## _loop_filter8uv_inner_c(uint8_t *dstU, uint8_t *dstV, int stride,\ 278 int fE, int fI, int hev_thresh)\ 279{\ 280 vp8_ ## dir ## _loop_filter8_inner_c(dstU, stride, fE, fI, hev_thresh);\ 281 vp8_ ## dir ## _loop_filter8_inner_c(dstV, stride, fE, fI, hev_thresh);\ 282} 283 284UV_LOOP_FILTER(v, 1, stride) 285UV_LOOP_FILTER(h, stride, 1) 286 287static void vp8_v_loop_filter_simple_c(uint8_t *dst, int stride, int flim) 288{ 289 int i; 290 291 for (i = 0; i < 16; i++) 292 if (simple_limit(dst+i, stride, flim)) 293 filter_common(dst+i, stride, 1); 294} 295 296static void vp8_h_loop_filter_simple_c(uint8_t *dst, int stride, int flim) 297{ 298 int i; 299 300 for (i = 0; i < 16; i++) 301 if (simple_limit(dst+i*stride, 1, flim)) 302 filter_common(dst+i*stride, 1, 1); 303} 304 305static const uint8_t subpel_filters[7][6] = { 306 { 0, 6, 123, 12, 1, 0 }, 307 { 2, 11, 108, 36, 8, 1 }, 308 { 0, 9, 93, 50, 6, 0 }, 309 { 3, 16, 77, 77, 16, 3 }, 310 { 0, 6, 50, 93, 9, 0 }, 311 { 1, 8, 36, 108, 11, 2 }, 312 { 0, 1, 12, 123, 6, 0 }, 313}; 314 315#define PUT_PIXELS(WIDTH) \ 316static void put_vp8_pixels ## WIDTH ##_c(uint8_t *dst, int dststride, uint8_t *src, int srcstride, int h, int x, int y) { \ 317 int i; \ 318 for (i = 0; i < h; i++, dst+= dststride, src+= srcstride) { \ 319 memcpy(dst, src, WIDTH); \ 320 } \ 321} 322 323PUT_PIXELS(16) 324PUT_PIXELS(8) 325PUT_PIXELS(4) 326 327#define FILTER_6TAP(src, F, stride) \ 328 cm[(F[2]*src[x+0*stride] - F[1]*src[x-1*stride] + F[0]*src[x-2*stride] + \ 329 F[3]*src[x+1*stride] - F[4]*src[x+2*stride] + F[5]*src[x+3*stride] + 64) >> 7] 330 331#define FILTER_4TAP(src, F, stride) \ 332 cm[(F[2]*src[x+0*stride] - F[1]*src[x-1*stride] + \ 333 F[3]*src[x+1*stride] - F[4]*src[x+2*stride] + 64) >> 7] 334 335#define VP8_EPEL_H(SIZE, TAPS) \ 336static void put_vp8_epel ## SIZE ## _h ## TAPS ## _c(uint8_t *dst, int dststride, uint8_t *src, int srcstride, int h, int mx, int my) \ 337{ \ 338 const uint8_t *filter = subpel_filters[mx-1]; \ 339 uint8_t *cm = ff_cropTbl + MAX_NEG_CROP; \ 340 int x, y; \ 341\ 342 for (y = 0; y < h; y++) { \ 343 for (x = 0; x < SIZE; x++) \ 344 dst[x] = FILTER_ ## TAPS ## TAP(src, filter, 1); \ 345 dst += dststride; \ 346 src += srcstride; \ 347 } \ 348} 349#define VP8_EPEL_V(SIZE, TAPS) \ 350static void put_vp8_epel ## SIZE ## _v ## TAPS ## _c(uint8_t *dst, int dststride, uint8_t *src, int srcstride, int h, int mx, int my) \ 351{ \ 352 const uint8_t *filter = subpel_filters[my-1]; \ 353 uint8_t *cm = ff_cropTbl + MAX_NEG_CROP; \ 354 int x, y; \ 355\ 356 for (y = 0; y < h; y++) { \ 357 for (x = 0; x < SIZE; x++) \ 358 dst[x] = FILTER_ ## TAPS ## TAP(src, filter, srcstride); \ 359 dst += dststride; \ 360 src += srcstride; \ 361 } \ 362} 363#define VP8_EPEL_HV(SIZE, HTAPS, VTAPS) \ 364static void put_vp8_epel ## SIZE ## _h ## HTAPS ## v ## VTAPS ## _c(uint8_t *dst, int dststride, uint8_t *src, int srcstride, int h, int mx, int my) \ 365{ \ 366 const uint8_t *filter = subpel_filters[mx-1]; \ 367 uint8_t *cm = ff_cropTbl + MAX_NEG_CROP; \ 368 int x, y; \ 369 uint8_t tmp_array[(2*SIZE+VTAPS-1)*SIZE]; \ 370 uint8_t *tmp = tmp_array; \ 371 src -= (2-(VTAPS==4))*srcstride; \ 372\ 373 for (y = 0; y < h+VTAPS-1; y++) { \ 374 for (x = 0; x < SIZE; x++) \ 375 tmp[x] = FILTER_ ## HTAPS ## TAP(src, filter, 1); \ 376 tmp += SIZE; \ 377 src += srcstride; \ 378 } \ 379\ 380 tmp = tmp_array + (2-(VTAPS==4))*SIZE; \ 381 filter = subpel_filters[my-1]; \ 382\ 383 for (y = 0; y < h; y++) { \ 384 for (x = 0; x < SIZE; x++) \ 385 dst[x] = FILTER_ ## VTAPS ## TAP(tmp, filter, SIZE); \ 386 dst += dststride; \ 387 tmp += SIZE; \ 388 } \ 389} 390 391VP8_EPEL_H(16, 4) 392VP8_EPEL_H(8, 4) 393VP8_EPEL_H(4, 4) 394VP8_EPEL_H(16, 6) 395VP8_EPEL_H(8, 6) 396VP8_EPEL_H(4, 6) 397VP8_EPEL_V(16, 4) 398VP8_EPEL_V(8, 4) 399VP8_EPEL_V(4, 4) 400VP8_EPEL_V(16, 6) 401VP8_EPEL_V(8, 6) 402VP8_EPEL_V(4, 6) 403VP8_EPEL_HV(16, 4, 4) 404VP8_EPEL_HV(8, 4, 4) 405VP8_EPEL_HV(4, 4, 4) 406VP8_EPEL_HV(16, 4, 6) 407VP8_EPEL_HV(8, 4, 6) 408VP8_EPEL_HV(4, 4, 6) 409VP8_EPEL_HV(16, 6, 4) 410VP8_EPEL_HV(8, 6, 4) 411VP8_EPEL_HV(4, 6, 4) 412VP8_EPEL_HV(16, 6, 6) 413VP8_EPEL_HV(8, 6, 6) 414VP8_EPEL_HV(4, 6, 6) 415 416#define VP8_BILINEAR(SIZE) \ 417static void put_vp8_bilinear ## SIZE ## _h_c(uint8_t *dst, int stride, uint8_t *src, int s2, int h, int mx, int my) \ 418{ \ 419 int a = 8-mx, b = mx; \ 420 int x, y; \ 421\ 422 for (y = 0; y < h; y++) { \ 423 for (x = 0; x < SIZE; x++) \ 424 dst[x] = (a*src[x] + b*src[x+1] + 4) >> 3; \ 425 dst += stride; \ 426 src += stride; \ 427 } \ 428} \ 429static void put_vp8_bilinear ## SIZE ## _v_c(uint8_t *dst, int stride, uint8_t *src, int s2, int h, int mx, int my) \ 430{ \ 431 int c = 8-my, d = my; \ 432 int x, y; \ 433\ 434 for (y = 0; y < h; y++) { \ 435 for (x = 0; x < SIZE; x++) \ 436 dst[x] = (c*src[x] + d*src[x+stride] + 4) >> 3; \ 437 dst += stride; \ 438 src += stride; \ 439 } \ 440} \ 441\ 442static void put_vp8_bilinear ## SIZE ## _hv_c(uint8_t *dst, int stride, uint8_t *src, int s2, int h, int mx, int my) \ 443{ \ 444 int a = 8-mx, b = mx; \ 445 int c = 8-my, d = my; \ 446 int x, y; \ 447 uint8_t tmp_array[(2*SIZE+1)*SIZE]; \ 448 uint8_t *tmp = tmp_array; \ 449\ 450 for (y = 0; y < h+1; y++) { \ 451 for (x = 0; x < SIZE; x++) \ 452 tmp[x] = (a*src[x] + b*src[x+1] + 4) >> 3; \ 453 tmp += SIZE; \ 454 src += stride; \ 455 } \ 456\ 457 tmp = tmp_array; \ 458\ 459 for (y = 0; y < h; y++) { \ 460 for (x = 0; x < SIZE; x++) \ 461 dst[x] = (c*tmp[x] + d*tmp[x+SIZE] + 4) >> 3; \ 462 dst += stride; \ 463 tmp += SIZE; \ 464 } \ 465} 466 467VP8_BILINEAR(16) 468VP8_BILINEAR(8) 469VP8_BILINEAR(4) 470 471#define VP8_MC_FUNC(IDX, SIZE) \ 472 dsp->put_vp8_epel_pixels_tab[IDX][0][0] = put_vp8_pixels ## SIZE ## _c; \ 473 dsp->put_vp8_epel_pixels_tab[IDX][0][1] = put_vp8_epel ## SIZE ## _h4_c; \ 474 dsp->put_vp8_epel_pixels_tab[IDX][0][2] = put_vp8_epel ## SIZE ## _h6_c; \ 475 dsp->put_vp8_epel_pixels_tab[IDX][1][0] = put_vp8_epel ## SIZE ## _v4_c; \ 476 dsp->put_vp8_epel_pixels_tab[IDX][1][1] = put_vp8_epel ## SIZE ## _h4v4_c; \ 477 dsp->put_vp8_epel_pixels_tab[IDX][1][2] = put_vp8_epel ## SIZE ## _h6v4_c; \ 478 dsp->put_vp8_epel_pixels_tab[IDX][2][0] = put_vp8_epel ## SIZE ## _v6_c; \ 479 dsp->put_vp8_epel_pixels_tab[IDX][2][1] = put_vp8_epel ## SIZE ## _h4v6_c; \ 480 dsp->put_vp8_epel_pixels_tab[IDX][2][2] = put_vp8_epel ## SIZE ## _h6v6_c 481 482#define VP8_BILINEAR_MC_FUNC(IDX, SIZE) \ 483 dsp->put_vp8_bilinear_pixels_tab[IDX][0][0] = put_vp8_pixels ## SIZE ## _c; \ 484 dsp->put_vp8_bilinear_pixels_tab[IDX][0][1] = put_vp8_bilinear ## SIZE ## _h_c; \ 485 dsp->put_vp8_bilinear_pixels_tab[IDX][0][2] = put_vp8_bilinear ## SIZE ## _h_c; \ 486 dsp->put_vp8_bilinear_pixels_tab[IDX][1][0] = put_vp8_bilinear ## SIZE ## _v_c; \ 487 dsp->put_vp8_bilinear_pixels_tab[IDX][1][1] = put_vp8_bilinear ## SIZE ## _hv_c; \ 488 dsp->put_vp8_bilinear_pixels_tab[IDX][1][2] = put_vp8_bilinear ## SIZE ## _hv_c; \ 489 dsp->put_vp8_bilinear_pixels_tab[IDX][2][0] = put_vp8_bilinear ## SIZE ## _v_c; \ 490 dsp->put_vp8_bilinear_pixels_tab[IDX][2][1] = put_vp8_bilinear ## SIZE ## _hv_c; \ 491 dsp->put_vp8_bilinear_pixels_tab[IDX][2][2] = put_vp8_bilinear ## SIZE ## _hv_c 492 493av_cold void ff_vp8dsp_init(VP8DSPContext *dsp) 494{ 495 dsp->vp8_luma_dc_wht = vp8_luma_dc_wht_c; 496 dsp->vp8_luma_dc_wht_dc = vp8_luma_dc_wht_dc_c; 497 dsp->vp8_idct_add = vp8_idct_add_c; 498 dsp->vp8_idct_dc_add = vp8_idct_dc_add_c; 499 dsp->vp8_idct_dc_add4y = vp8_idct_dc_add4y_c; 500 dsp->vp8_idct_dc_add4uv = vp8_idct_dc_add4uv_c; 501 502 dsp->vp8_v_loop_filter16y = vp8_v_loop_filter16_c; 503 dsp->vp8_h_loop_filter16y = vp8_h_loop_filter16_c; 504 dsp->vp8_v_loop_filter8uv = vp8_v_loop_filter8uv_c; 505 dsp->vp8_h_loop_filter8uv = vp8_h_loop_filter8uv_c; 506 507 dsp->vp8_v_loop_filter16y_inner = vp8_v_loop_filter16_inner_c; 508 dsp->vp8_h_loop_filter16y_inner = vp8_h_loop_filter16_inner_c; 509 dsp->vp8_v_loop_filter8uv_inner = vp8_v_loop_filter8uv_inner_c; 510 dsp->vp8_h_loop_filter8uv_inner = vp8_h_loop_filter8uv_inner_c; 511 512 dsp->vp8_v_loop_filter_simple = vp8_v_loop_filter_simple_c; 513 dsp->vp8_h_loop_filter_simple = vp8_h_loop_filter_simple_c; 514 515 VP8_MC_FUNC(0, 16); 516 VP8_MC_FUNC(1, 8); 517 VP8_MC_FUNC(2, 4); 518 519 VP8_BILINEAR_MC_FUNC(0, 16); 520 VP8_BILINEAR_MC_FUNC(1, 8); 521 VP8_BILINEAR_MC_FUNC(2, 4); 522 523 if (HAVE_MMX) 524 ff_vp8dsp_init_x86(dsp); 525 if (HAVE_ALTIVEC) 526 ff_vp8dsp_init_altivec(dsp); 527 if (ARCH_ARM) 528 ff_vp8dsp_init_arm(dsp); 529} 530