00001
00024 #include "dsputil.h"
00025 #include "vp8dsp.h"
00026
00027
00028 static void vp8_luma_dc_wht_c(DCTELEM block[4][4][16], DCTELEM dc[16])
00029 {
00030 int i, t0, t1, t2, t3;
00031
00032 for (i = 0; i < 4; i++) {
00033 t0 = dc[0*4+i] + dc[3*4+i];
00034 t1 = dc[1*4+i] + dc[2*4+i];
00035 t2 = dc[1*4+i] - dc[2*4+i];
00036 t3 = dc[0*4+i] - dc[3*4+i];
00037
00038 dc[0*4+i] = t0 + t1;
00039 dc[1*4+i] = t3 + t2;
00040 dc[2*4+i] = t0 - t1;
00041 dc[3*4+i] = t3 - t2;
00042 }
00043
00044 for (i = 0; i < 4; i++) {
00045 t0 = dc[i*4+0] + dc[i*4+3] + 3;
00046 t1 = dc[i*4+1] + dc[i*4+2];
00047 t2 = dc[i*4+1] - dc[i*4+2];
00048 t3 = dc[i*4+0] - dc[i*4+3] + 3;
00049 dc[i*4+0] = 0;
00050 dc[i*4+1] = 0;
00051 dc[i*4+2] = 0;
00052 dc[i*4+3] = 0;
00053
00054 block[i][0][0] = (t0 + t1) >> 3;
00055 block[i][1][0] = (t3 + t2) >> 3;
00056 block[i][2][0] = (t0 - t1) >> 3;
00057 block[i][3][0] = (t3 - t2) >> 3;
00058 }
00059 }
00060
00061 static void vp8_luma_dc_wht_dc_c(DCTELEM block[4][4][16], DCTELEM dc[16])
00062 {
00063 int i, val = (dc[0] + 3) >> 3;
00064 dc[0] = 0;
00065
00066 for (i = 0; i < 4; i++) {
00067 block[i][0][0] = val;
00068 block[i][1][0] = val;
00069 block[i][2][0] = val;
00070 block[i][3][0] = val;
00071 }
00072 }
00073
00074 #define MUL_20091(a) ((((a)*20091) >> 16) + (a))
00075 #define MUL_35468(a) (((a)*35468) >> 16)
00076
00077 static void vp8_idct_add_c(uint8_t *dst, DCTELEM block[16], int stride)
00078 {
00079 int i, t0, t1, t2, t3;
00080 uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;
00081 DCTELEM tmp[16];
00082
00083 for (i = 0; i < 4; i++) {
00084 t0 = block[0*4+i] + block[2*4+i];
00085 t1 = block[0*4+i] - block[2*4+i];
00086 t2 = MUL_35468(block[1*4+i]) - MUL_20091(block[3*4+i]);
00087 t3 = MUL_20091(block[1*4+i]) + MUL_35468(block[3*4+i]);
00088 block[0*4+i] = 0;
00089 block[1*4+i] = 0;
00090 block[2*4+i] = 0;
00091 block[3*4+i] = 0;
00092
00093 tmp[i*4+0] = t0 + t3;
00094 tmp[i*4+1] = t1 + t2;
00095 tmp[i*4+2] = t1 - t2;
00096 tmp[i*4+3] = t0 - t3;
00097 }
00098
00099 for (i = 0; i < 4; i++) {
00100 t0 = tmp[0*4+i] + tmp[2*4+i];
00101 t1 = tmp[0*4+i] - tmp[2*4+i];
00102 t2 = MUL_35468(tmp[1*4+i]) - MUL_20091(tmp[3*4+i]);
00103 t3 = MUL_20091(tmp[1*4+i]) + MUL_35468(tmp[3*4+i]);
00104
00105 dst[0] = cm[dst[0] + ((t0 + t3 + 4) >> 3)];
00106 dst[1] = cm[dst[1] + ((t1 + t2 + 4) >> 3)];
00107 dst[2] = cm[dst[2] + ((t1 - t2 + 4) >> 3)];
00108 dst[3] = cm[dst[3] + ((t0 - t3 + 4) >> 3)];
00109 dst += stride;
00110 }
00111 }
00112
00113 static void vp8_idct_dc_add_c(uint8_t *dst, DCTELEM block[16], int stride)
00114 {
00115 int i, dc = (block[0] + 4) >> 3;
00116 uint8_t *cm = ff_cropTbl + MAX_NEG_CROP + dc;
00117 block[0] = 0;
00118
00119 for (i = 0; i < 4; i++) {
00120 dst[0] = cm[dst[0]];
00121 dst[1] = cm[dst[1]];
00122 dst[2] = cm[dst[2]];
00123 dst[3] = cm[dst[3]];
00124 dst += stride;
00125 }
00126 }
00127
00128 static void vp8_idct_dc_add4uv_c(uint8_t *dst, DCTELEM block[4][16], int stride)
00129 {
00130 vp8_idct_dc_add_c(dst+stride*0+0, block[0], stride);
00131 vp8_idct_dc_add_c(dst+stride*0+4, block[1], stride);
00132 vp8_idct_dc_add_c(dst+stride*4+0, block[2], stride);
00133 vp8_idct_dc_add_c(dst+stride*4+4, block[3], stride);
00134 }
00135
00136 static void vp8_idct_dc_add4y_c(uint8_t *dst, DCTELEM block[4][16], int stride)
00137 {
00138 vp8_idct_dc_add_c(dst+ 0, block[0], stride);
00139 vp8_idct_dc_add_c(dst+ 4, block[1], stride);
00140 vp8_idct_dc_add_c(dst+ 8, block[2], stride);
00141 vp8_idct_dc_add_c(dst+12, block[3], stride);
00142 }
00143
00144
00145 #define LOAD_PIXELS\
00146 int av_unused p3 = p[-4*stride];\
00147 int av_unused p2 = p[-3*stride];\
00148 int av_unused p1 = p[-2*stride];\
00149 int av_unused p0 = p[-1*stride];\
00150 int av_unused q0 = p[ 0*stride];\
00151 int av_unused q1 = p[ 1*stride];\
00152 int av_unused q2 = p[ 2*stride];\
00153 int av_unused q3 = p[ 3*stride];
00154
00155 #define clip_int8(n) (cm[n+0x80]-0x80)
00156
00157 static av_always_inline void filter_common(uint8_t *p, int stride, int is4tap)
00158 {
00159 LOAD_PIXELS
00160 int a, f1, f2;
00161 uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;
00162
00163 a = 3*(q0 - p0);
00164
00165 if (is4tap)
00166 a += clip_int8(p1 - q1);
00167
00168 a = clip_int8(a);
00169
00170
00171
00172 f1 = FFMIN(a+4, 127) >> 3;
00173 f2 = FFMIN(a+3, 127) >> 3;
00174
00175
00176
00177 p[-1*stride] = cm[p0 + f2];
00178 p[ 0*stride] = cm[q0 - f1];
00179
00180
00181 if (!is4tap) {
00182 a = (f1+1)>>1;
00183 p[-2*stride] = cm[p1 + a];
00184 p[ 1*stride] = cm[q1 - a];
00185 }
00186 }
00187
00188 static av_always_inline int simple_limit(uint8_t *p, int stride, int flim)
00189 {
00190 LOAD_PIXELS
00191 return 2*FFABS(p0-q0) + (FFABS(p1-q1) >> 1) <= flim;
00192 }
00193
00198 static av_always_inline int normal_limit(uint8_t *p, int stride, int E, int I)
00199 {
00200 LOAD_PIXELS
00201 return simple_limit(p, stride, E)
00202 && FFABS(p3-p2) <= I && FFABS(p2-p1) <= I && FFABS(p1-p0) <= I
00203 && FFABS(q3-q2) <= I && FFABS(q2-q1) <= I && FFABS(q1-q0) <= I;
00204 }
00205
00206
00207 static av_always_inline int hev(uint8_t *p, int stride, int thresh)
00208 {
00209 LOAD_PIXELS
00210 return FFABS(p1-p0) > thresh || FFABS(q1-q0) > thresh;
00211 }
00212
00213 static av_always_inline void filter_mbedge(uint8_t *p, int stride)
00214 {
00215 int a0, a1, a2, w;
00216 uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;
00217
00218 LOAD_PIXELS
00219
00220 w = clip_int8(p1-q1);
00221 w = clip_int8(w + 3*(q0-p0));
00222
00223 a0 = (27*w + 63) >> 7;
00224 a1 = (18*w + 63) >> 7;
00225 a2 = ( 9*w + 63) >> 7;
00226
00227 p[-3*stride] = cm[p2 + a2];
00228 p[-2*stride] = cm[p1 + a1];
00229 p[-1*stride] = cm[p0 + a0];
00230 p[ 0*stride] = cm[q0 - a0];
00231 p[ 1*stride] = cm[q1 - a1];
00232 p[ 2*stride] = cm[q2 - a2];
00233 }
00234
00235 #define LOOP_FILTER(dir, size, stridea, strideb, maybe_inline) \
00236 static maybe_inline void vp8_ ## dir ## _loop_filter ## size ## _c(uint8_t *dst, int stride,\
00237 int flim_E, int flim_I, int hev_thresh)\
00238 {\
00239 int i;\
00240 \
00241 for (i = 0; i < size; i++)\
00242 if (normal_limit(dst+i*stridea, strideb, flim_E, flim_I)) {\
00243 if (hev(dst+i*stridea, strideb, hev_thresh))\
00244 filter_common(dst+i*stridea, strideb, 1);\
00245 else\
00246 filter_mbedge(dst+i*stridea, strideb);\
00247 }\
00248 }\
00249 \
00250 static maybe_inline void vp8_ ## dir ## _loop_filter ## size ## _inner_c(uint8_t *dst, int stride,\
00251 int flim_E, int flim_I, int hev_thresh)\
00252 {\
00253 int i;\
00254 \
00255 for (i = 0; i < size; i++)\
00256 if (normal_limit(dst+i*stridea, strideb, flim_E, flim_I)) {\
00257 int hv = hev(dst+i*stridea, strideb, hev_thresh);\
00258 if (hv) \
00259 filter_common(dst+i*stridea, strideb, 1);\
00260 else \
00261 filter_common(dst+i*stridea, strideb, 0);\
00262 }\
00263 }
00264
00265 LOOP_FILTER(v, 16, 1, stride,)
00266 LOOP_FILTER(h, 16, stride, 1,)
00267
00268 #define UV_LOOP_FILTER(dir, stridea, strideb) \
00269 LOOP_FILTER(dir, 8, stridea, strideb, av_always_inline) \
00270 static void vp8_ ## dir ## _loop_filter8uv_c(uint8_t *dstU, uint8_t *dstV, int stride,\
00271 int fE, int fI, int hev_thresh)\
00272 {\
00273 vp8_ ## dir ## _loop_filter8_c(dstU, stride, fE, fI, hev_thresh);\
00274 vp8_ ## dir ## _loop_filter8_c(dstV, stride, fE, fI, hev_thresh);\
00275 }\
00276 static void vp8_ ## dir ## _loop_filter8uv_inner_c(uint8_t *dstU, uint8_t *dstV, int stride,\
00277 int fE, int fI, int hev_thresh)\
00278 {\
00279 vp8_ ## dir ## _loop_filter8_inner_c(dstU, stride, fE, fI, hev_thresh);\
00280 vp8_ ## dir ## _loop_filter8_inner_c(dstV, stride, fE, fI, hev_thresh);\
00281 }
00282
00283 UV_LOOP_FILTER(v, 1, stride)
00284 UV_LOOP_FILTER(h, stride, 1)
00285
00286 static void vp8_v_loop_filter_simple_c(uint8_t *dst, int stride, int flim)
00287 {
00288 int i;
00289
00290 for (i = 0; i < 16; i++)
00291 if (simple_limit(dst+i, stride, flim))
00292 filter_common(dst+i, stride, 1);
00293 }
00294
00295 static void vp8_h_loop_filter_simple_c(uint8_t *dst, int stride, int flim)
00296 {
00297 int i;
00298
00299 for (i = 0; i < 16; i++)
00300 if (simple_limit(dst+i*stride, 1, flim))
00301 filter_common(dst+i*stride, 1, 1);
00302 }
00303
00304 static const uint8_t subpel_filters[7][6] = {
00305 { 0, 6, 123, 12, 1, 0 },
00306 { 2, 11, 108, 36, 8, 1 },
00307 { 0, 9, 93, 50, 6, 0 },
00308 { 3, 16, 77, 77, 16, 3 },
00309 { 0, 6, 50, 93, 9, 0 },
00310 { 1, 8, 36, 108, 11, 2 },
00311 { 0, 1, 12, 123, 6, 0 },
00312 };
00313
00314 #define PUT_PIXELS(WIDTH) \
00315 static void put_vp8_pixels ## WIDTH ##_c(uint8_t *dst, int dststride, uint8_t *src, int srcstride, int h, int x, int y) { \
00316 int i; \
00317 for (i = 0; i < h; i++, dst+= dststride, src+= srcstride) { \
00318 memcpy(dst, src, WIDTH); \
00319 } \
00320 }
00321
00322 PUT_PIXELS(16)
00323 PUT_PIXELS(8)
00324 PUT_PIXELS(4)
00325
00326 #define FILTER_6TAP(src, F, stride) \
00327 cm[(F[2]*src[x+0*stride] - F[1]*src[x-1*stride] + F[0]*src[x-2*stride] + \
00328 F[3]*src[x+1*stride] - F[4]*src[x+2*stride] + F[5]*src[x+3*stride] + 64) >> 7]
00329
00330 #define FILTER_4TAP(src, F, stride) \
00331 cm[(F[2]*src[x+0*stride] - F[1]*src[x-1*stride] + \
00332 F[3]*src[x+1*stride] - F[4]*src[x+2*stride] + 64) >> 7]
00333
00334 #define VP8_EPEL_H(SIZE, TAPS) \
00335 static void put_vp8_epel ## SIZE ## _h ## TAPS ## _c(uint8_t *dst, int dststride, uint8_t *src, int srcstride, int h, int mx, int my) \
00336 { \
00337 const uint8_t *filter = subpel_filters[mx-1]; \
00338 uint8_t *cm = ff_cropTbl + MAX_NEG_CROP; \
00339 int x, y; \
00340 \
00341 for (y = 0; y < h; y++) { \
00342 for (x = 0; x < SIZE; x++) \
00343 dst[x] = FILTER_ ## TAPS ## TAP(src, filter, 1); \
00344 dst += dststride; \
00345 src += srcstride; \
00346 } \
00347 }
00348 #define VP8_EPEL_V(SIZE, TAPS) \
00349 static void put_vp8_epel ## SIZE ## _v ## TAPS ## _c(uint8_t *dst, int dststride, uint8_t *src, int srcstride, int h, int mx, int my) \
00350 { \
00351 const uint8_t *filter = subpel_filters[my-1]; \
00352 uint8_t *cm = ff_cropTbl + MAX_NEG_CROP; \
00353 int x, y; \
00354 \
00355 for (y = 0; y < h; y++) { \
00356 for (x = 0; x < SIZE; x++) \
00357 dst[x] = FILTER_ ## TAPS ## TAP(src, filter, srcstride); \
00358 dst += dststride; \
00359 src += srcstride; \
00360 } \
00361 }
00362 #define VP8_EPEL_HV(SIZE, HTAPS, VTAPS) \
00363 static 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) \
00364 { \
00365 const uint8_t *filter = subpel_filters[mx-1]; \
00366 uint8_t *cm = ff_cropTbl + MAX_NEG_CROP; \
00367 int x, y; \
00368 uint8_t tmp_array[(2*SIZE+VTAPS-1)*SIZE]; \
00369 uint8_t *tmp = tmp_array; \
00370 src -= (2-(VTAPS==4))*srcstride; \
00371 \
00372 for (y = 0; y < h+VTAPS-1; y++) { \
00373 for (x = 0; x < SIZE; x++) \
00374 tmp[x] = FILTER_ ## HTAPS ## TAP(src, filter, 1); \
00375 tmp += SIZE; \
00376 src += srcstride; \
00377 } \
00378 \
00379 tmp = tmp_array + (2-(VTAPS==4))*SIZE; \
00380 filter = subpel_filters[my-1]; \
00381 \
00382 for (y = 0; y < h; y++) { \
00383 for (x = 0; x < SIZE; x++) \
00384 dst[x] = FILTER_ ## VTAPS ## TAP(tmp, filter, SIZE); \
00385 dst += dststride; \
00386 tmp += SIZE; \
00387 } \
00388 }
00389
00390 VP8_EPEL_H(16, 4)
00391 VP8_EPEL_H(8, 4)
00392 VP8_EPEL_H(4, 4)
00393 VP8_EPEL_H(16, 6)
00394 VP8_EPEL_H(8, 6)
00395 VP8_EPEL_H(4, 6)
00396 VP8_EPEL_V(16, 4)
00397 VP8_EPEL_V(8, 4)
00398 VP8_EPEL_V(4, 4)
00399 VP8_EPEL_V(16, 6)
00400 VP8_EPEL_V(8, 6)
00401 VP8_EPEL_V(4, 6)
00402 VP8_EPEL_HV(16, 4, 4)
00403 VP8_EPEL_HV(8, 4, 4)
00404 VP8_EPEL_HV(4, 4, 4)
00405 VP8_EPEL_HV(16, 4, 6)
00406 VP8_EPEL_HV(8, 4, 6)
00407 VP8_EPEL_HV(4, 4, 6)
00408 VP8_EPEL_HV(16, 6, 4)
00409 VP8_EPEL_HV(8, 6, 4)
00410 VP8_EPEL_HV(4, 6, 4)
00411 VP8_EPEL_HV(16, 6, 6)
00412 VP8_EPEL_HV(8, 6, 6)
00413 VP8_EPEL_HV(4, 6, 6)
00414
00415 #define VP8_BILINEAR(SIZE) \
00416 static void put_vp8_bilinear ## SIZE ## _h_c(uint8_t *dst, int stride, uint8_t *src, int s2, int h, int mx, int my) \
00417 { \
00418 int a = 8-mx, b = mx; \
00419 int x, y; \
00420 \
00421 for (y = 0; y < h; y++) { \
00422 for (x = 0; x < SIZE; x++) \
00423 dst[x] = (a*src[x] + b*src[x+1] + 4) >> 3; \
00424 dst += stride; \
00425 src += stride; \
00426 } \
00427 } \
00428 static void put_vp8_bilinear ## SIZE ## _v_c(uint8_t *dst, int stride, uint8_t *src, int s2, int h, int mx, int my) \
00429 { \
00430 int c = 8-my, d = my; \
00431 int x, y; \
00432 \
00433 for (y = 0; y < h; y++) { \
00434 for (x = 0; x < SIZE; x++) \
00435 dst[x] = (c*src[x] + d*src[x+stride] + 4) >> 3; \
00436 dst += stride; \
00437 src += stride; \
00438 } \
00439 } \
00440 \
00441 static void put_vp8_bilinear ## SIZE ## _hv_c(uint8_t *dst, int stride, uint8_t *src, int s2, int h, int mx, int my) \
00442 { \
00443 int a = 8-mx, b = mx; \
00444 int c = 8-my, d = my; \
00445 int x, y; \
00446 uint8_t tmp_array[(2*SIZE+1)*SIZE]; \
00447 uint8_t *tmp = tmp_array; \
00448 \
00449 for (y = 0; y < h+1; y++) { \
00450 for (x = 0; x < SIZE; x++) \
00451 tmp[x] = (a*src[x] + b*src[x+1] + 4) >> 3; \
00452 tmp += SIZE; \
00453 src += stride; \
00454 } \
00455 \
00456 tmp = tmp_array; \
00457 \
00458 for (y = 0; y < h; y++) { \
00459 for (x = 0; x < SIZE; x++) \
00460 dst[x] = (c*tmp[x] + d*tmp[x+SIZE] + 4) >> 3; \
00461 dst += stride; \
00462 tmp += SIZE; \
00463 } \
00464 }
00465
00466 VP8_BILINEAR(16)
00467 VP8_BILINEAR(8)
00468 VP8_BILINEAR(4)
00469
00470 #define VP8_MC_FUNC(IDX, SIZE) \
00471 dsp->put_vp8_epel_pixels_tab[IDX][0][0] = put_vp8_pixels ## SIZE ## _c; \
00472 dsp->put_vp8_epel_pixels_tab[IDX][0][1] = put_vp8_epel ## SIZE ## _h4_c; \
00473 dsp->put_vp8_epel_pixels_tab[IDX][0][2] = put_vp8_epel ## SIZE ## _h6_c; \
00474 dsp->put_vp8_epel_pixels_tab[IDX][1][0] = put_vp8_epel ## SIZE ## _v4_c; \
00475 dsp->put_vp8_epel_pixels_tab[IDX][1][1] = put_vp8_epel ## SIZE ## _h4v4_c; \
00476 dsp->put_vp8_epel_pixels_tab[IDX][1][2] = put_vp8_epel ## SIZE ## _h6v4_c; \
00477 dsp->put_vp8_epel_pixels_tab[IDX][2][0] = put_vp8_epel ## SIZE ## _v6_c; \
00478 dsp->put_vp8_epel_pixels_tab[IDX][2][1] = put_vp8_epel ## SIZE ## _h4v6_c; \
00479 dsp->put_vp8_epel_pixels_tab[IDX][2][2] = put_vp8_epel ## SIZE ## _h6v6_c
00480
00481 #define VP8_BILINEAR_MC_FUNC(IDX, SIZE) \
00482 dsp->put_vp8_bilinear_pixels_tab[IDX][0][0] = put_vp8_pixels ## SIZE ## _c; \
00483 dsp->put_vp8_bilinear_pixels_tab[IDX][0][1] = put_vp8_bilinear ## SIZE ## _h_c; \
00484 dsp->put_vp8_bilinear_pixels_tab[IDX][0][2] = put_vp8_bilinear ## SIZE ## _h_c; \
00485 dsp->put_vp8_bilinear_pixels_tab[IDX][1][0] = put_vp8_bilinear ## SIZE ## _v_c; \
00486 dsp->put_vp8_bilinear_pixels_tab[IDX][1][1] = put_vp8_bilinear ## SIZE ## _hv_c; \
00487 dsp->put_vp8_bilinear_pixels_tab[IDX][1][2] = put_vp8_bilinear ## SIZE ## _hv_c; \
00488 dsp->put_vp8_bilinear_pixels_tab[IDX][2][0] = put_vp8_bilinear ## SIZE ## _v_c; \
00489 dsp->put_vp8_bilinear_pixels_tab[IDX][2][1] = put_vp8_bilinear ## SIZE ## _hv_c; \
00490 dsp->put_vp8_bilinear_pixels_tab[IDX][2][2] = put_vp8_bilinear ## SIZE ## _hv_c
00491
00492 av_cold void ff_vp8dsp_init(VP8DSPContext *dsp)
00493 {
00494 dsp->vp8_luma_dc_wht = vp8_luma_dc_wht_c;
00495 dsp->vp8_luma_dc_wht_dc = vp8_luma_dc_wht_dc_c;
00496 dsp->vp8_idct_add = vp8_idct_add_c;
00497 dsp->vp8_idct_dc_add = vp8_idct_dc_add_c;
00498 dsp->vp8_idct_dc_add4y = vp8_idct_dc_add4y_c;
00499 dsp->vp8_idct_dc_add4uv = vp8_idct_dc_add4uv_c;
00500
00501 dsp->vp8_v_loop_filter16y = vp8_v_loop_filter16_c;
00502 dsp->vp8_h_loop_filter16y = vp8_h_loop_filter16_c;
00503 dsp->vp8_v_loop_filter8uv = vp8_v_loop_filter8uv_c;
00504 dsp->vp8_h_loop_filter8uv = vp8_h_loop_filter8uv_c;
00505
00506 dsp->vp8_v_loop_filter16y_inner = vp8_v_loop_filter16_inner_c;
00507 dsp->vp8_h_loop_filter16y_inner = vp8_h_loop_filter16_inner_c;
00508 dsp->vp8_v_loop_filter8uv_inner = vp8_v_loop_filter8uv_inner_c;
00509 dsp->vp8_h_loop_filter8uv_inner = vp8_h_loop_filter8uv_inner_c;
00510
00511 dsp->vp8_v_loop_filter_simple = vp8_v_loop_filter_simple_c;
00512 dsp->vp8_h_loop_filter_simple = vp8_h_loop_filter_simple_c;
00513
00514 VP8_MC_FUNC(0, 16);
00515 VP8_MC_FUNC(1, 8);
00516 VP8_MC_FUNC(2, 4);
00517
00518 VP8_BILINEAR_MC_FUNC(0, 16);
00519 VP8_BILINEAR_MC_FUNC(1, 8);
00520 VP8_BILINEAR_MC_FUNC(2, 4);
00521
00522 if (HAVE_MMX)
00523 ff_vp8dsp_init_x86(dsp);
00524 if (HAVE_ALTIVEC)
00525 ff_vp8dsp_init_altivec(dsp);
00526 if (ARCH_ARM)
00527 ff_vp8dsp_init_arm(dsp);
00528 }
