1/* 2 * Copyright (c) 2004 Romain Dolbeau <romain@dolbeau.org> 3 * 4 * This file is part of FFmpeg. 5 * 6 * FFmpeg is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU Lesser General Public 8 * License as published by the Free Software Foundation; either 9 * version 2.1 of the License, or (at your option) any later version. 10 * 11 * FFmpeg is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 * Lesser General Public License for more details. 15 * 16 * You should have received a copy of the GNU Lesser General Public 17 * License along with FFmpeg; if not, write to the Free Software 18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 19 */ 20 21#include "libavcodec/dsputil.h" 22#include "libavcodec/h264data.h" 23 24#include "gcc_fixes.h" 25 26#include "dsputil_ppc.h" 27#include "dsputil_altivec.h" 28#include "util_altivec.h" 29#include "types_altivec.h" 30 31#define PUT_OP_U8_ALTIVEC(d, s, dst) d = s 32#define AVG_OP_U8_ALTIVEC(d, s, dst) d = vec_avg(dst, s) 33 34#define OP_U8_ALTIVEC PUT_OP_U8_ALTIVEC 35#define PREFIX_h264_chroma_mc8_altivec put_h264_chroma_mc8_altivec 36#define PREFIX_h264_chroma_mc8_num altivec_put_h264_chroma_mc8_num 37#define PREFIX_h264_qpel16_h_lowpass_altivec put_h264_qpel16_h_lowpass_altivec 38#define PREFIX_h264_qpel16_h_lowpass_num altivec_put_h264_qpel16_h_lowpass_num 39#define PREFIX_h264_qpel16_v_lowpass_altivec put_h264_qpel16_v_lowpass_altivec 40#define PREFIX_h264_qpel16_v_lowpass_num altivec_put_h264_qpel16_v_lowpass_num 41#define PREFIX_h264_qpel16_hv_lowpass_altivec put_h264_qpel16_hv_lowpass_altivec 42#define PREFIX_h264_qpel16_hv_lowpass_num altivec_put_h264_qpel16_hv_lowpass_num 43#include "h264_template_altivec.c" 44#undef OP_U8_ALTIVEC 45#undef PREFIX_h264_chroma_mc8_altivec 46#undef PREFIX_h264_chroma_mc8_num 47#undef PREFIX_h264_qpel16_h_lowpass_altivec 48#undef PREFIX_h264_qpel16_h_lowpass_num 49#undef PREFIX_h264_qpel16_v_lowpass_altivec 50#undef PREFIX_h264_qpel16_v_lowpass_num 51#undef PREFIX_h264_qpel16_hv_lowpass_altivec 52#undef PREFIX_h264_qpel16_hv_lowpass_num 53 54#define OP_U8_ALTIVEC AVG_OP_U8_ALTIVEC 55#define PREFIX_h264_chroma_mc8_altivec avg_h264_chroma_mc8_altivec 56#define PREFIX_h264_chroma_mc8_num altivec_avg_h264_chroma_mc8_num 57#define PREFIX_h264_qpel16_h_lowpass_altivec avg_h264_qpel16_h_lowpass_altivec 58#define PREFIX_h264_qpel16_h_lowpass_num altivec_avg_h264_qpel16_h_lowpass_num 59#define PREFIX_h264_qpel16_v_lowpass_altivec avg_h264_qpel16_v_lowpass_altivec 60#define PREFIX_h264_qpel16_v_lowpass_num altivec_avg_h264_qpel16_v_lowpass_num 61#define PREFIX_h264_qpel16_hv_lowpass_altivec avg_h264_qpel16_hv_lowpass_altivec 62#define PREFIX_h264_qpel16_hv_lowpass_num altivec_avg_h264_qpel16_hv_lowpass_num 63#include "h264_template_altivec.c" 64#undef OP_U8_ALTIVEC 65#undef PREFIX_h264_chroma_mc8_altivec 66#undef PREFIX_h264_chroma_mc8_num 67#undef PREFIX_h264_qpel16_h_lowpass_altivec 68#undef PREFIX_h264_qpel16_h_lowpass_num 69#undef PREFIX_h264_qpel16_v_lowpass_altivec 70#undef PREFIX_h264_qpel16_v_lowpass_num 71#undef PREFIX_h264_qpel16_hv_lowpass_altivec 72#undef PREFIX_h264_qpel16_hv_lowpass_num 73 74#define H264_MC(OPNAME, SIZE, CODETYPE) \ 75static void OPNAME ## h264_qpel ## SIZE ## _mc00_ ## CODETYPE (uint8_t *dst, uint8_t *src, int stride){\ 76 OPNAME ## pixels ## SIZE ## _ ## CODETYPE(dst, src, stride, SIZE);\ 77}\ 78\ 79static void OPNAME ## h264_qpel ## SIZE ## _mc10_ ## CODETYPE(uint8_t *dst, uint8_t *src, int stride){ \ 80 DECLARE_ALIGNED_16(uint8_t, half[SIZE*SIZE]);\ 81 put_h264_qpel ## SIZE ## _h_lowpass_ ## CODETYPE(half, src, SIZE, stride);\ 82 OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, src, half, stride, stride, SIZE);\ 83}\ 84\ 85static void OPNAME ## h264_qpel ## SIZE ## _mc20_ ## CODETYPE(uint8_t *dst, uint8_t *src, int stride){\ 86 OPNAME ## h264_qpel ## SIZE ## _h_lowpass_ ## CODETYPE(dst, src, stride, stride);\ 87}\ 88\ 89static void OPNAME ## h264_qpel ## SIZE ## _mc30_ ## CODETYPE(uint8_t *dst, uint8_t *src, int stride){\ 90 DECLARE_ALIGNED_16(uint8_t, half[SIZE*SIZE]);\ 91 put_h264_qpel ## SIZE ## _h_lowpass_ ## CODETYPE(half, src, SIZE, stride);\ 92 OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, src+1, half, stride, stride, SIZE);\ 93}\ 94\ 95static void OPNAME ## h264_qpel ## SIZE ## _mc01_ ## CODETYPE(uint8_t *dst, uint8_t *src, int stride){\ 96 DECLARE_ALIGNED_16(uint8_t, half[SIZE*SIZE]);\ 97 put_h264_qpel ## SIZE ## _v_lowpass_ ## CODETYPE(half, src, SIZE, stride);\ 98 OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, src, half, stride, stride, SIZE);\ 99}\ 100\ 101static void OPNAME ## h264_qpel ## SIZE ## _mc02_ ## CODETYPE(uint8_t *dst, uint8_t *src, int stride){\ 102 OPNAME ## h264_qpel ## SIZE ## _v_lowpass_ ## CODETYPE(dst, src, stride, stride);\ 103}\ 104\ 105static void OPNAME ## h264_qpel ## SIZE ## _mc03_ ## CODETYPE(uint8_t *dst, uint8_t *src, int stride){\ 106 DECLARE_ALIGNED_16(uint8_t, half[SIZE*SIZE]);\ 107 put_h264_qpel ## SIZE ## _v_lowpass_ ## CODETYPE(half, src, SIZE, stride);\ 108 OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, src+stride, half, stride, stride, SIZE);\ 109}\ 110\ 111static void OPNAME ## h264_qpel ## SIZE ## _mc11_ ## CODETYPE(uint8_t *dst, uint8_t *src, int stride){\ 112 DECLARE_ALIGNED_16(uint8_t, halfH[SIZE*SIZE]);\ 113 DECLARE_ALIGNED_16(uint8_t, halfV[SIZE*SIZE]);\ 114 put_h264_qpel ## SIZE ## _h_lowpass_ ## CODETYPE(halfH, src, SIZE, stride);\ 115 put_h264_qpel ## SIZE ## _v_lowpass_ ## CODETYPE(halfV, src, SIZE, stride);\ 116 OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, halfH, halfV, stride, SIZE, SIZE);\ 117}\ 118\ 119static void OPNAME ## h264_qpel ## SIZE ## _mc31_ ## CODETYPE(uint8_t *dst, uint8_t *src, int stride){\ 120 DECLARE_ALIGNED_16(uint8_t, halfH[SIZE*SIZE]);\ 121 DECLARE_ALIGNED_16(uint8_t, halfV[SIZE*SIZE]);\ 122 put_h264_qpel ## SIZE ## _h_lowpass_ ## CODETYPE(halfH, src, SIZE, stride);\ 123 put_h264_qpel ## SIZE ## _v_lowpass_ ## CODETYPE(halfV, src+1, SIZE, stride);\ 124 OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, halfH, halfV, stride, SIZE, SIZE);\ 125}\ 126\ 127static void OPNAME ## h264_qpel ## SIZE ## _mc13_ ## CODETYPE(uint8_t *dst, uint8_t *src, int stride){\ 128 DECLARE_ALIGNED_16(uint8_t, halfH[SIZE*SIZE]);\ 129 DECLARE_ALIGNED_16(uint8_t, halfV[SIZE*SIZE]);\ 130 put_h264_qpel ## SIZE ## _h_lowpass_ ## CODETYPE(halfH, src + stride, SIZE, stride);\ 131 put_h264_qpel ## SIZE ## _v_lowpass_ ## CODETYPE(halfV, src, SIZE, stride);\ 132 OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, halfH, halfV, stride, SIZE, SIZE);\ 133}\ 134\ 135static void OPNAME ## h264_qpel ## SIZE ## _mc33_ ## CODETYPE(uint8_t *dst, uint8_t *src, int stride){\ 136 DECLARE_ALIGNED_16(uint8_t, halfH[SIZE*SIZE]);\ 137 DECLARE_ALIGNED_16(uint8_t, halfV[SIZE*SIZE]);\ 138 put_h264_qpel ## SIZE ## _h_lowpass_ ## CODETYPE(halfH, src + stride, SIZE, stride);\ 139 put_h264_qpel ## SIZE ## _v_lowpass_ ## CODETYPE(halfV, src+1, SIZE, stride);\ 140 OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, halfH, halfV, stride, SIZE, SIZE);\ 141}\ 142\ 143static void OPNAME ## h264_qpel ## SIZE ## _mc22_ ## CODETYPE(uint8_t *dst, uint8_t *src, int stride){\ 144 DECLARE_ALIGNED_16(int16_t, tmp[SIZE*(SIZE+8)]);\ 145 OPNAME ## h264_qpel ## SIZE ## _hv_lowpass_ ## CODETYPE(dst, tmp, src, stride, SIZE, stride);\ 146}\ 147\ 148static void OPNAME ## h264_qpel ## SIZE ## _mc21_ ## CODETYPE(uint8_t *dst, uint8_t *src, int stride){\ 149 DECLARE_ALIGNED_16(uint8_t, halfH[SIZE*SIZE]);\ 150 DECLARE_ALIGNED_16(uint8_t, halfHV[SIZE*SIZE]);\ 151 DECLARE_ALIGNED_16(int16_t, tmp[SIZE*(SIZE+8)]);\ 152 put_h264_qpel ## SIZE ## _h_lowpass_ ## CODETYPE(halfH, src, SIZE, stride);\ 153 put_h264_qpel ## SIZE ## _hv_lowpass_ ## CODETYPE(halfHV, tmp, src, SIZE, SIZE, stride);\ 154 OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, halfH, halfHV, stride, SIZE, SIZE);\ 155}\ 156\ 157static void OPNAME ## h264_qpel ## SIZE ## _mc23_ ## CODETYPE(uint8_t *dst, uint8_t *src, int stride){\ 158 DECLARE_ALIGNED_16(uint8_t, halfH[SIZE*SIZE]);\ 159 DECLARE_ALIGNED_16(uint8_t, halfHV[SIZE*SIZE]);\ 160 DECLARE_ALIGNED_16(int16_t, tmp[SIZE*(SIZE+8)]);\ 161 put_h264_qpel ## SIZE ## _h_lowpass_ ## CODETYPE(halfH, src + stride, SIZE, stride);\ 162 put_h264_qpel ## SIZE ## _hv_lowpass_ ## CODETYPE(halfHV, tmp, src, SIZE, SIZE, stride);\ 163 OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, halfH, halfHV, stride, SIZE, SIZE);\ 164}\ 165\ 166static void OPNAME ## h264_qpel ## SIZE ## _mc12_ ## CODETYPE(uint8_t *dst, uint8_t *src, int stride){\ 167 DECLARE_ALIGNED_16(uint8_t, halfV[SIZE*SIZE]);\ 168 DECLARE_ALIGNED_16(uint8_t, halfHV[SIZE*SIZE]);\ 169 DECLARE_ALIGNED_16(int16_t, tmp[SIZE*(SIZE+8)]);\ 170 put_h264_qpel ## SIZE ## _v_lowpass_ ## CODETYPE(halfV, src, SIZE, stride);\ 171 put_h264_qpel ## SIZE ## _hv_lowpass_ ## CODETYPE(halfHV, tmp, src, SIZE, SIZE, stride);\ 172 OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, halfV, halfHV, stride, SIZE, SIZE);\ 173}\ 174\ 175static void OPNAME ## h264_qpel ## SIZE ## _mc32_ ## CODETYPE(uint8_t *dst, uint8_t *src, int stride){\ 176 DECLARE_ALIGNED_16(uint8_t, halfV[SIZE*SIZE]);\ 177 DECLARE_ALIGNED_16(uint8_t, halfHV[SIZE*SIZE]);\ 178 DECLARE_ALIGNED_16(int16_t, tmp[SIZE*(SIZE+8)]);\ 179 put_h264_qpel ## SIZE ## _v_lowpass_ ## CODETYPE(halfV, src+1, SIZE, stride);\ 180 put_h264_qpel ## SIZE ## _hv_lowpass_ ## CODETYPE(halfHV, tmp, src, SIZE, SIZE, stride);\ 181 OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, halfV, halfHV, stride, SIZE, SIZE);\ 182}\ 183 184/* this code assume that stride % 16 == 0 */ 185void put_no_rnd_h264_chroma_mc8_altivec(uint8_t * dst, uint8_t * src, int stride, int h, int x, int y) { 186 DECLARE_ALIGNED_16(signed int, ABCD[4]) = 187 {((8 - x) * (8 - y)), 188 ((x) * (8 - y)), 189 ((8 - x) * (y)), 190 ((x) * (y))}; 191 register int i; 192 vec_u8 fperm; 193 const vec_s32 vABCD = vec_ld(0, ABCD); 194 const vec_s16 vA = vec_splat((vec_s16)vABCD, 1); 195 const vec_s16 vB = vec_splat((vec_s16)vABCD, 3); 196 const vec_s16 vC = vec_splat((vec_s16)vABCD, 5); 197 const vec_s16 vD = vec_splat((vec_s16)vABCD, 7); 198 LOAD_ZERO; 199 const vec_s16 v28ss = vec_sub(vec_sl(vec_splat_s16(1),vec_splat_u16(5)),vec_splat_s16(4)); 200 const vec_u16 v6us = vec_splat_u16(6); 201 register int loadSecond = (((unsigned long)src) % 16) <= 7 ? 0 : 1; 202 register int reallyBadAlign = (((unsigned long)src) % 16) == 15 ? 1 : 0; 203 204 vec_u8 vsrcAuc, vsrcBuc, vsrcperm0, vsrcperm1; 205 vec_u8 vsrc0uc, vsrc1uc; 206 vec_s16 vsrc0ssH, vsrc1ssH; 207 vec_u8 vsrcCuc, vsrc2uc, vsrc3uc; 208 vec_s16 vsrc2ssH, vsrc3ssH, psum; 209 vec_u8 vdst, ppsum, fsum; 210 211 if (((unsigned long)dst) % 16 == 0) { 212 fperm = (vec_u8){0x10, 0x11, 0x12, 0x13, 213 0x14, 0x15, 0x16, 0x17, 214 0x08, 0x09, 0x0A, 0x0B, 215 0x0C, 0x0D, 0x0E, 0x0F}; 216 } else { 217 fperm = (vec_u8){0x00, 0x01, 0x02, 0x03, 218 0x04, 0x05, 0x06, 0x07, 219 0x18, 0x19, 0x1A, 0x1B, 220 0x1C, 0x1D, 0x1E, 0x1F}; 221 } 222 223 vsrcAuc = vec_ld(0, src); 224 225 if (loadSecond) 226 vsrcBuc = vec_ld(16, src); 227 vsrcperm0 = vec_lvsl(0, src); 228 vsrcperm1 = vec_lvsl(1, src); 229 230 vsrc0uc = vec_perm(vsrcAuc, vsrcBuc, vsrcperm0); 231 if (reallyBadAlign) 232 vsrc1uc = vsrcBuc; 233 else 234 vsrc1uc = vec_perm(vsrcAuc, vsrcBuc, vsrcperm1); 235 236 vsrc0ssH = (vec_s16)vec_mergeh(zero_u8v, (vec_u8)vsrc0uc); 237 vsrc1ssH = (vec_s16)vec_mergeh(zero_u8v, (vec_u8)vsrc1uc); 238 239 if (!loadSecond) {// -> !reallyBadAlign 240 for (i = 0 ; i < h ; i++) { 241 242 243 vsrcCuc = vec_ld(stride + 0, src); 244 245 vsrc2uc = vec_perm(vsrcCuc, vsrcCuc, vsrcperm0); 246 vsrc3uc = vec_perm(vsrcCuc, vsrcCuc, vsrcperm1); 247 248 vsrc2ssH = (vec_s16)vec_mergeh(zero_u8v, (vec_u8)vsrc2uc); 249 vsrc3ssH = (vec_s16)vec_mergeh(zero_u8v, (vec_u8)vsrc3uc); 250 251 psum = vec_mladd(vA, vsrc0ssH, vec_splat_s16(0)); 252 psum = vec_mladd(vB, vsrc1ssH, psum); 253 psum = vec_mladd(vC, vsrc2ssH, psum); 254 psum = vec_mladd(vD, vsrc3ssH, psum); 255 psum = vec_add(v28ss, psum); 256 psum = vec_sra(psum, v6us); 257 258 vdst = vec_ld(0, dst); 259 ppsum = (vec_u8)vec_packsu(psum, psum); 260 fsum = vec_perm(vdst, ppsum, fperm); 261 262 vec_st(fsum, 0, dst); 263 264 vsrc0ssH = vsrc2ssH; 265 vsrc1ssH = vsrc3ssH; 266 267 dst += stride; 268 src += stride; 269 } 270 } else { 271 vec_u8 vsrcDuc; 272 for (i = 0 ; i < h ; i++) { 273 vsrcCuc = vec_ld(stride + 0, src); 274 vsrcDuc = vec_ld(stride + 16, src); 275 276 vsrc2uc = vec_perm(vsrcCuc, vsrcDuc, vsrcperm0); 277 if (reallyBadAlign) 278 vsrc3uc = vsrcDuc; 279 else 280 vsrc3uc = vec_perm(vsrcCuc, vsrcDuc, vsrcperm1); 281 282 vsrc2ssH = (vec_s16)vec_mergeh(zero_u8v, (vec_u8)vsrc2uc); 283 vsrc3ssH = (vec_s16)vec_mergeh(zero_u8v, (vec_u8)vsrc3uc); 284 285 psum = vec_mladd(vA, vsrc0ssH, vec_splat_s16(0)); 286 psum = vec_mladd(vB, vsrc1ssH, psum); 287 psum = vec_mladd(vC, vsrc2ssH, psum); 288 psum = vec_mladd(vD, vsrc3ssH, psum); 289 psum = vec_add(v28ss, psum); 290 psum = vec_sr(psum, v6us); 291 292 vdst = vec_ld(0, dst); 293 ppsum = (vec_u8)vec_pack(psum, psum); 294 fsum = vec_perm(vdst, ppsum, fperm); 295 296 vec_st(fsum, 0, dst); 297 298 vsrc0ssH = vsrc2ssH; 299 vsrc1ssH = vsrc3ssH; 300 301 dst += stride; 302 src += stride; 303 } 304 } 305} 306 307static inline void put_pixels16_l2_altivec( uint8_t * dst, const uint8_t * src1, 308 const uint8_t * src2, int dst_stride, 309 int src_stride1, int h) 310{ 311 int i; 312 vec_u8 a, b, d, tmp1, tmp2, mask, mask_, edges, align; 313 314 mask_ = vec_lvsl(0, src2); 315 316 for (i = 0; i < h; i++) { 317 318 tmp1 = vec_ld(i * src_stride1, src1); 319 mask = vec_lvsl(i * src_stride1, src1); 320 tmp2 = vec_ld(i * src_stride1 + 15, src1); 321 322 a = vec_perm(tmp1, tmp2, mask); 323 324 tmp1 = vec_ld(i * 16, src2); 325 tmp2 = vec_ld(i * 16 + 15, src2); 326 327 b = vec_perm(tmp1, tmp2, mask_); 328 329 tmp1 = vec_ld(0, dst); 330 mask = vec_lvsl(0, dst); 331 tmp2 = vec_ld(15, dst); 332 333 d = vec_avg(a, b); 334 335 edges = vec_perm(tmp2, tmp1, mask); 336 337 align = vec_lvsr(0, dst); 338 339 tmp2 = vec_perm(d, edges, align); 340 tmp1 = vec_perm(edges, d, align); 341 342 vec_st(tmp2, 15, dst); 343 vec_st(tmp1, 0 , dst); 344 345 dst += dst_stride; 346 } 347} 348 349static inline void avg_pixels16_l2_altivec( uint8_t * dst, const uint8_t * src1, 350 const uint8_t * src2, int dst_stride, 351 int src_stride1, int h) 352{ 353 int i; 354 vec_u8 a, b, d, tmp1, tmp2, mask, mask_, edges, align; 355 356 mask_ = vec_lvsl(0, src2); 357 358 for (i = 0; i < h; i++) { 359 360 tmp1 = vec_ld(i * src_stride1, src1); 361 mask = vec_lvsl(i * src_stride1, src1); 362 tmp2 = vec_ld(i * src_stride1 + 15, src1); 363 364 a = vec_perm(tmp1, tmp2, mask); 365 366 tmp1 = vec_ld(i * 16, src2); 367 tmp2 = vec_ld(i * 16 + 15, src2); 368 369 b = vec_perm(tmp1, tmp2, mask_); 370 371 tmp1 = vec_ld(0, dst); 372 mask = vec_lvsl(0, dst); 373 tmp2 = vec_ld(15, dst); 374 375 d = vec_avg(vec_perm(tmp1, tmp2, mask), vec_avg(a, b)); 376 377 edges = vec_perm(tmp2, tmp1, mask); 378 379 align = vec_lvsr(0, dst); 380 381 tmp2 = vec_perm(d, edges, align); 382 tmp1 = vec_perm(edges, d, align); 383 384 vec_st(tmp2, 15, dst); 385 vec_st(tmp1, 0 , dst); 386 387 dst += dst_stride; 388 } 389} 390 391/* Implemented but could be faster 392#define put_pixels16_l2_altivec(d,s1,s2,ds,s1s,h) put_pixels16_l2(d,s1,s2,ds,s1s,16,h) 393#define avg_pixels16_l2_altivec(d,s1,s2,ds,s1s,h) avg_pixels16_l2(d,s1,s2,ds,s1s,16,h) 394 */ 395 396H264_MC(put_, 16, altivec) 397H264_MC(avg_, 16, altivec) 398 399 400/**************************************************************************** 401 * IDCT transform: 402 ****************************************************************************/ 403 404#define VEC_1D_DCT(vb0,vb1,vb2,vb3,va0,va1,va2,va3) \ 405 /* 1st stage */ \ 406 vz0 = vec_add(vb0,vb2); /* temp[0] = Y[0] + Y[2] */ \ 407 vz1 = vec_sub(vb0,vb2); /* temp[1] = Y[0] - Y[2] */ \ 408 vz2 = vec_sra(vb1,vec_splat_u16(1)); \ 409 vz2 = vec_sub(vz2,vb3); /* temp[2] = Y[1].1/2 - Y[3] */ \ 410 vz3 = vec_sra(vb3,vec_splat_u16(1)); \ 411 vz3 = vec_add(vb1,vz3); /* temp[3] = Y[1] + Y[3].1/2 */ \ 412 /* 2nd stage: output */ \ 413 va0 = vec_add(vz0,vz3); /* x[0] = temp[0] + temp[3] */ \ 414 va1 = vec_add(vz1,vz2); /* x[1] = temp[1] + temp[2] */ \ 415 va2 = vec_sub(vz1,vz2); /* x[2] = temp[1] - temp[2] */ \ 416 va3 = vec_sub(vz0,vz3) /* x[3] = temp[0] - temp[3] */ 417 418#define VEC_TRANSPOSE_4(a0,a1,a2,a3,b0,b1,b2,b3) \ 419 b0 = vec_mergeh( a0, a0 ); \ 420 b1 = vec_mergeh( a1, a0 ); \ 421 b2 = vec_mergeh( a2, a0 ); \ 422 b3 = vec_mergeh( a3, a0 ); \ 423 a0 = vec_mergeh( b0, b2 ); \ 424 a1 = vec_mergel( b0, b2 ); \ 425 a2 = vec_mergeh( b1, b3 ); \ 426 a3 = vec_mergel( b1, b3 ); \ 427 b0 = vec_mergeh( a0, a2 ); \ 428 b1 = vec_mergel( a0, a2 ); \ 429 b2 = vec_mergeh( a1, a3 ); \ 430 b3 = vec_mergel( a1, a3 ) 431 432#define VEC_LOAD_U8_ADD_S16_STORE_U8(va) \ 433 vdst_orig = vec_ld(0, dst); \ 434 vdst = vec_perm(vdst_orig, zero_u8v, vdst_mask); \ 435 vdst_ss = (vec_s16) vec_mergeh(zero_u8v, vdst); \ 436 va = vec_add(va, vdst_ss); \ 437 va_u8 = vec_packsu(va, zero_s16v); \ 438 va_u32 = vec_splat((vec_u32)va_u8, 0); \ 439 vec_ste(va_u32, element, (uint32_t*)dst); 440 441static void ff_h264_idct_add_altivec(uint8_t *dst, DCTELEM *block, int stride) 442{ 443 vec_s16 va0, va1, va2, va3; 444 vec_s16 vz0, vz1, vz2, vz3; 445 vec_s16 vtmp0, vtmp1, vtmp2, vtmp3; 446 vec_u8 va_u8; 447 vec_u32 va_u32; 448 vec_s16 vdst_ss; 449 const vec_u16 v6us = vec_splat_u16(6); 450 vec_u8 vdst, vdst_orig; 451 vec_u8 vdst_mask = vec_lvsl(0, dst); 452 int element = ((unsigned long)dst & 0xf) >> 2; 453 LOAD_ZERO; 454 455 block[0] += 32; /* add 32 as a DC-level for rounding */ 456 457 vtmp0 = vec_ld(0,block); 458 vtmp1 = vec_sld(vtmp0, vtmp0, 8); 459 vtmp2 = vec_ld(16,block); 460 vtmp3 = vec_sld(vtmp2, vtmp2, 8); 461 462 VEC_1D_DCT(vtmp0,vtmp1,vtmp2,vtmp3,va0,va1,va2,va3); 463 VEC_TRANSPOSE_4(va0,va1,va2,va3,vtmp0,vtmp1,vtmp2,vtmp3); 464 VEC_1D_DCT(vtmp0,vtmp1,vtmp2,vtmp3,va0,va1,va2,va3); 465 466 va0 = vec_sra(va0,v6us); 467 va1 = vec_sra(va1,v6us); 468 va2 = vec_sra(va2,v6us); 469 va3 = vec_sra(va3,v6us); 470 471 VEC_LOAD_U8_ADD_S16_STORE_U8(va0); 472 dst += stride; 473 VEC_LOAD_U8_ADD_S16_STORE_U8(va1); 474 dst += stride; 475 VEC_LOAD_U8_ADD_S16_STORE_U8(va2); 476 dst += stride; 477 VEC_LOAD_U8_ADD_S16_STORE_U8(va3); 478} 479 480#define IDCT8_1D_ALTIVEC(s0, s1, s2, s3, s4, s5, s6, s7, d0, d1, d2, d3, d4, d5, d6, d7) {\ 481 /* a0 = SRC(0) + SRC(4); */ \ 482 vec_s16 a0v = vec_add(s0, s4); \ 483 /* a2 = SRC(0) - SRC(4); */ \ 484 vec_s16 a2v = vec_sub(s0, s4); \ 485 /* a4 = (SRC(2)>>1) - SRC(6); */ \ 486 vec_s16 a4v = vec_sub(vec_sra(s2, onev), s6); \ 487 /* a6 = (SRC(6)>>1) + SRC(2); */ \ 488 vec_s16 a6v = vec_add(vec_sra(s6, onev), s2); \ 489 /* b0 = a0 + a6; */ \ 490 vec_s16 b0v = vec_add(a0v, a6v); \ 491 /* b2 = a2 + a4; */ \ 492 vec_s16 b2v = vec_add(a2v, a4v); \ 493 /* b4 = a2 - a4; */ \ 494 vec_s16 b4v = vec_sub(a2v, a4v); \ 495 /* b6 = a0 - a6; */ \ 496 vec_s16 b6v = vec_sub(a0v, a6v); \ 497 /* a1 = SRC(5) - SRC(3) - SRC(7) - (SRC(7)>>1); */ \ 498 /* a1 = (SRC(5)-SRC(3)) - (SRC(7) + (SRC(7)>>1)); */ \ 499 vec_s16 a1v = vec_sub( vec_sub(s5, s3), vec_add(s7, vec_sra(s7, onev)) ); \ 500 /* a3 = SRC(7) + SRC(1) - SRC(3) - (SRC(3)>>1); */ \ 501 /* a3 = (SRC(7)+SRC(1)) - (SRC(3) + (SRC(3)>>1)); */ \ 502 vec_s16 a3v = vec_sub( vec_add(s7, s1), vec_add(s3, vec_sra(s3, onev)) );\ 503 /* a5 = SRC(7) - SRC(1) + SRC(5) + (SRC(5)>>1); */ \ 504 /* a5 = (SRC(7)-SRC(1)) + SRC(5) + (SRC(5)>>1); */ \ 505 vec_s16 a5v = vec_add( vec_sub(s7, s1), vec_add(s5, vec_sra(s5, onev)) );\ 506 /* a7 = SRC(5)+SRC(3) + SRC(1) + (SRC(1)>>1); */ \ 507 vec_s16 a7v = vec_add( vec_add(s5, s3), vec_add(s1, vec_sra(s1, onev)) );\ 508 /* b1 = (a7>>2) + a1; */ \ 509 vec_s16 b1v = vec_add( vec_sra(a7v, twov), a1v); \ 510 /* b3 = a3 + (a5>>2); */ \ 511 vec_s16 b3v = vec_add(a3v, vec_sra(a5v, twov)); \ 512 /* b5 = (a3>>2) - a5; */ \ 513 vec_s16 b5v = vec_sub( vec_sra(a3v, twov), a5v); \ 514 /* b7 = a7 - (a1>>2); */ \ 515 vec_s16 b7v = vec_sub( a7v, vec_sra(a1v, twov)); \ 516 /* DST(0, b0 + b7); */ \ 517 d0 = vec_add(b0v, b7v); \ 518 /* DST(1, b2 + b5); */ \ 519 d1 = vec_add(b2v, b5v); \ 520 /* DST(2, b4 + b3); */ \ 521 d2 = vec_add(b4v, b3v); \ 522 /* DST(3, b6 + b1); */ \ 523 d3 = vec_add(b6v, b1v); \ 524 /* DST(4, b6 - b1); */ \ 525 d4 = vec_sub(b6v, b1v); \ 526 /* DST(5, b4 - b3); */ \ 527 d5 = vec_sub(b4v, b3v); \ 528 /* DST(6, b2 - b5); */ \ 529 d6 = vec_sub(b2v, b5v); \ 530 /* DST(7, b0 - b7); */ \ 531 d7 = vec_sub(b0v, b7v); \ 532} 533 534#define ALTIVEC_STORE_SUM_CLIP(dest, idctv, perm_ldv, perm_stv, sel) { \ 535 /* unaligned load */ \ 536 vec_u8 hv = vec_ld( 0, dest ); \ 537 vec_u8 lv = vec_ld( 7, dest ); \ 538 vec_u8 dstv = vec_perm( hv, lv, (vec_u8)perm_ldv ); \ 539 vec_s16 idct_sh6 = vec_sra(idctv, sixv); \ 540 vec_u16 dst16 = (vec_u16)vec_mergeh(zero_u8v, dstv); \ 541 vec_s16 idstsum = vec_adds(idct_sh6, (vec_s16)dst16); \ 542 vec_u8 idstsum8 = vec_packsu(zero_s16v, idstsum); \ 543 vec_u8 edgehv; \ 544 /* unaligned store */ \ 545 vec_u8 bodyv = vec_perm( idstsum8, idstsum8, perm_stv );\ 546 vec_u8 edgelv = vec_perm( sel, zero_u8v, perm_stv ); \ 547 lv = vec_sel( lv, bodyv, edgelv ); \ 548 vec_st( lv, 7, dest ); \ 549 hv = vec_ld( 0, dest ); \ 550 edgehv = vec_perm( zero_u8v, sel, perm_stv ); \ 551 hv = vec_sel( hv, bodyv, edgehv ); \ 552 vec_st( hv, 0, dest ); \ 553 } 554 555void ff_h264_idct8_add_altivec( uint8_t *dst, DCTELEM *dct, int stride ) { 556 vec_s16 s0, s1, s2, s3, s4, s5, s6, s7; 557 vec_s16 d0, d1, d2, d3, d4, d5, d6, d7; 558 vec_s16 idct0, idct1, idct2, idct3, idct4, idct5, idct6, idct7; 559 560 vec_u8 perm_ldv = vec_lvsl(0, dst); 561 vec_u8 perm_stv = vec_lvsr(8, dst); 562 563 const vec_u16 onev = vec_splat_u16(1); 564 const vec_u16 twov = vec_splat_u16(2); 565 const vec_u16 sixv = vec_splat_u16(6); 566 567 const vec_u8 sel = (vec_u8) {0,0,0,0,0,0,0,0,-1,-1,-1,-1,-1,-1,-1,-1}; 568 LOAD_ZERO; 569 570 dct[0] += 32; // rounding for the >>6 at the end 571 572 s0 = vec_ld(0x00, (int16_t*)dct); 573 s1 = vec_ld(0x10, (int16_t*)dct); 574 s2 = vec_ld(0x20, (int16_t*)dct); 575 s3 = vec_ld(0x30, (int16_t*)dct); 576 s4 = vec_ld(0x40, (int16_t*)dct); 577 s5 = vec_ld(0x50, (int16_t*)dct); 578 s6 = vec_ld(0x60, (int16_t*)dct); 579 s7 = vec_ld(0x70, (int16_t*)dct); 580 581 IDCT8_1D_ALTIVEC(s0, s1, s2, s3, s4, s5, s6, s7, 582 d0, d1, d2, d3, d4, d5, d6, d7); 583 584 TRANSPOSE8( d0, d1, d2, d3, d4, d5, d6, d7 ); 585 586 IDCT8_1D_ALTIVEC(d0, d1, d2, d3, d4, d5, d6, d7, 587 idct0, idct1, idct2, idct3, idct4, idct5, idct6, idct7); 588 589 ALTIVEC_STORE_SUM_CLIP(&dst[0*stride], idct0, perm_ldv, perm_stv, sel); 590 ALTIVEC_STORE_SUM_CLIP(&dst[1*stride], idct1, perm_ldv, perm_stv, sel); 591 ALTIVEC_STORE_SUM_CLIP(&dst[2*stride], idct2, perm_ldv, perm_stv, sel); 592 ALTIVEC_STORE_SUM_CLIP(&dst[3*stride], idct3, perm_ldv, perm_stv, sel); 593 ALTIVEC_STORE_SUM_CLIP(&dst[4*stride], idct4, perm_ldv, perm_stv, sel); 594 ALTIVEC_STORE_SUM_CLIP(&dst[5*stride], idct5, perm_ldv, perm_stv, sel); 595 ALTIVEC_STORE_SUM_CLIP(&dst[6*stride], idct6, perm_ldv, perm_stv, sel); 596 ALTIVEC_STORE_SUM_CLIP(&dst[7*stride], idct7, perm_ldv, perm_stv, sel); 597} 598 599static av_always_inline void h264_idct_dc_add_internal(uint8_t *dst, DCTELEM *block, int stride, int size) 600{ 601 vec_s16 dc16; 602 vec_u8 dcplus, dcminus, v0, v1, v2, v3, aligner; 603 LOAD_ZERO; 604 DECLARE_ALIGNED_16(int, dc); 605 int i; 606 607 dc = (block[0] + 32) >> 6; 608 dc16 = vec_splat((vec_s16) vec_lde(0, &dc), 1); 609 610 if (size == 4) 611 dc16 = vec_sld(dc16, zero_s16v, 8); 612 dcplus = vec_packsu(dc16, zero_s16v); 613 dcminus = vec_packsu(vec_sub(zero_s16v, dc16), zero_s16v); 614 615 aligner = vec_lvsr(0, dst); 616 dcplus = vec_perm(dcplus, dcplus, aligner); 617 dcminus = vec_perm(dcminus, dcminus, aligner); 618 619 for (i = 0; i < size; i += 4) { 620 v0 = vec_ld(0, dst+0*stride); 621 v1 = vec_ld(0, dst+1*stride); 622 v2 = vec_ld(0, dst+2*stride); 623 v3 = vec_ld(0, dst+3*stride); 624 625 v0 = vec_adds(v0, dcplus); 626 v1 = vec_adds(v1, dcplus); 627 v2 = vec_adds(v2, dcplus); 628 v3 = vec_adds(v3, dcplus); 629 630 v0 = vec_subs(v0, dcminus); 631 v1 = vec_subs(v1, dcminus); 632 v2 = vec_subs(v2, dcminus); 633 v3 = vec_subs(v3, dcminus); 634 635 vec_st(v0, 0, dst+0*stride); 636 vec_st(v1, 0, dst+1*stride); 637 vec_st(v2, 0, dst+2*stride); 638 vec_st(v3, 0, dst+3*stride); 639 640 dst += 4*stride; 641 } 642} 643 644static void h264_idct_dc_add_altivec(uint8_t *dst, DCTELEM *block, int stride) 645{ 646 h264_idct_dc_add_internal(dst, block, stride, 4); 647} 648 649static void ff_h264_idct8_dc_add_altivec(uint8_t *dst, DCTELEM *block, int stride) 650{ 651 h264_idct_dc_add_internal(dst, block, stride, 8); 652} 653 654static void ff_h264_idct_add16_altivec(uint8_t *dst, const int *block_offset, DCTELEM *block, int stride, const uint8_t nnzc[6*8]){ 655 int i; 656 for(i=0; i<16; i++){ 657 int nnz = nnzc[ scan8[i] ]; 658 if(nnz){ 659 if(nnz==1 && block[i*16]) h264_idct_dc_add_altivec(dst + block_offset[i], block + i*16, stride); 660 else ff_h264_idct_add_altivec(dst + block_offset[i], block + i*16, stride); 661 } 662 } 663} 664 665static void ff_h264_idct_add16intra_altivec(uint8_t *dst, const int *block_offset, DCTELEM *block, int stride, const uint8_t nnzc[6*8]){ 666 int i; 667 for(i=0; i<16; i++){ 668 if(nnzc[ scan8[i] ]) ff_h264_idct_add_altivec(dst + block_offset[i], block + i*16, stride); 669 else if(block[i*16]) h264_idct_dc_add_altivec(dst + block_offset[i], block + i*16, stride); 670 } 671} 672 673static void ff_h264_idct8_add4_altivec(uint8_t *dst, const int *block_offset, DCTELEM *block, int stride, const uint8_t nnzc[6*8]){ 674 int i; 675 for(i=0; i<16; i+=4){ 676 int nnz = nnzc[ scan8[i] ]; 677 if(nnz){ 678 if(nnz==1 && block[i*16]) ff_h264_idct8_dc_add_altivec(dst + block_offset[i], block + i*16, stride); 679 else ff_h264_idct8_add_altivec (dst + block_offset[i], block + i*16, stride); 680 } 681 } 682} 683 684static void ff_h264_idct_add8_altivec(uint8_t **dest, const int *block_offset, DCTELEM *block, int stride, const uint8_t nnzc[6*8]){ 685 int i; 686 for(i=16; i<16+8; i++){ 687 if(nnzc[ scan8[i] ]) 688 ff_h264_idct_add_altivec(dest[(i&4)>>2] + block_offset[i], block + i*16, stride); 689 else if(block[i*16]) 690 h264_idct_dc_add_altivec(dest[(i&4)>>2] + block_offset[i], block + i*16, stride); 691 } 692} 693 694#define transpose4x16(r0, r1, r2, r3) { \ 695 register vec_u8 r4; \ 696 register vec_u8 r5; \ 697 register vec_u8 r6; \ 698 register vec_u8 r7; \ 699 \ 700 r4 = vec_mergeh(r0, r2); /*0, 2 set 0*/ \ 701 r5 = vec_mergel(r0, r2); /*0, 2 set 1*/ \ 702 r6 = vec_mergeh(r1, r3); /*1, 3 set 0*/ \ 703 r7 = vec_mergel(r1, r3); /*1, 3 set 1*/ \ 704 \ 705 r0 = vec_mergeh(r4, r6); /*all set 0*/ \ 706 r1 = vec_mergel(r4, r6); /*all set 1*/ \ 707 r2 = vec_mergeh(r5, r7); /*all set 2*/ \ 708 r3 = vec_mergel(r5, r7); /*all set 3*/ \ 709} 710 711static inline void write16x4(uint8_t *dst, int dst_stride, 712 register vec_u8 r0, register vec_u8 r1, 713 register vec_u8 r2, register vec_u8 r3) { 714 DECLARE_ALIGNED_16(unsigned char, result[64]); 715 uint32_t *src_int = (uint32_t *)result, *dst_int = (uint32_t *)dst; 716 int int_dst_stride = dst_stride/4; 717 718 vec_st(r0, 0, result); 719 vec_st(r1, 16, result); 720 vec_st(r2, 32, result); 721 vec_st(r3, 48, result); 722 /* FIXME: there has to be a better way!!!! */ 723 *dst_int = *src_int; 724 *(dst_int+ int_dst_stride) = *(src_int + 1); 725 *(dst_int+ 2*int_dst_stride) = *(src_int + 2); 726 *(dst_int+ 3*int_dst_stride) = *(src_int + 3); 727 *(dst_int+ 4*int_dst_stride) = *(src_int + 4); 728 *(dst_int+ 5*int_dst_stride) = *(src_int + 5); 729 *(dst_int+ 6*int_dst_stride) = *(src_int + 6); 730 *(dst_int+ 7*int_dst_stride) = *(src_int + 7); 731 *(dst_int+ 8*int_dst_stride) = *(src_int + 8); 732 *(dst_int+ 9*int_dst_stride) = *(src_int + 9); 733 *(dst_int+10*int_dst_stride) = *(src_int + 10); 734 *(dst_int+11*int_dst_stride) = *(src_int + 11); 735 *(dst_int+12*int_dst_stride) = *(src_int + 12); 736 *(dst_int+13*int_dst_stride) = *(src_int + 13); 737 *(dst_int+14*int_dst_stride) = *(src_int + 14); 738 *(dst_int+15*int_dst_stride) = *(src_int + 15); 739} 740 741/** \brief performs a 6x16 transpose of data in src, and stores it to dst 742 \todo FIXME: see if we can't spare some vec_lvsl() by them factorizing 743 out of unaligned_load() */ 744#define readAndTranspose16x6(src, src_stride, r8, r9, r10, r11, r12, r13) {\ 745 register vec_u8 r0 = unaligned_load(0, src); \ 746 register vec_u8 r1 = unaligned_load( src_stride, src); \ 747 register vec_u8 r2 = unaligned_load(2* src_stride, src); \ 748 register vec_u8 r3 = unaligned_load(3* src_stride, src); \ 749 register vec_u8 r4 = unaligned_load(4* src_stride, src); \ 750 register vec_u8 r5 = unaligned_load(5* src_stride, src); \ 751 register vec_u8 r6 = unaligned_load(6* src_stride, src); \ 752 register vec_u8 r7 = unaligned_load(7* src_stride, src); \ 753 register vec_u8 r14 = unaligned_load(14*src_stride, src); \ 754 register vec_u8 r15 = unaligned_load(15*src_stride, src); \ 755 \ 756 r8 = unaligned_load( 8*src_stride, src); \ 757 r9 = unaligned_load( 9*src_stride, src); \ 758 r10 = unaligned_load(10*src_stride, src); \ 759 r11 = unaligned_load(11*src_stride, src); \ 760 r12 = unaligned_load(12*src_stride, src); \ 761 r13 = unaligned_load(13*src_stride, src); \ 762 \ 763 /*Merge first pairs*/ \ 764 r0 = vec_mergeh(r0, r8); /*0, 8*/ \ 765 r1 = vec_mergeh(r1, r9); /*1, 9*/ \ 766 r2 = vec_mergeh(r2, r10); /*2,10*/ \ 767 r3 = vec_mergeh(r3, r11); /*3,11*/ \ 768 r4 = vec_mergeh(r4, r12); /*4,12*/ \ 769 r5 = vec_mergeh(r5, r13); /*5,13*/ \ 770 r6 = vec_mergeh(r6, r14); /*6,14*/ \ 771 r7 = vec_mergeh(r7, r15); /*7,15*/ \ 772 \ 773 /*Merge second pairs*/ \ 774 r8 = vec_mergeh(r0, r4); /*0,4, 8,12 set 0*/ \ 775 r9 = vec_mergel(r0, r4); /*0,4, 8,12 set 1*/ \ 776 r10 = vec_mergeh(r1, r5); /*1,5, 9,13 set 0*/ \ 777 r11 = vec_mergel(r1, r5); /*1,5, 9,13 set 1*/ \ 778 r12 = vec_mergeh(r2, r6); /*2,6,10,14 set 0*/ \ 779 r13 = vec_mergel(r2, r6); /*2,6,10,14 set 1*/ \ 780 r14 = vec_mergeh(r3, r7); /*3,7,11,15 set 0*/ \ 781 r15 = vec_mergel(r3, r7); /*3,7,11,15 set 1*/ \ 782 \ 783 /*Third merge*/ \ 784 r0 = vec_mergeh(r8, r12); /*0,2,4,6,8,10,12,14 set 0*/ \ 785 r1 = vec_mergel(r8, r12); /*0,2,4,6,8,10,12,14 set 1*/ \ 786 r2 = vec_mergeh(r9, r13); /*0,2,4,6,8,10,12,14 set 2*/ \ 787 r4 = vec_mergeh(r10, r14); /*1,3,5,7,9,11,13,15 set 0*/ \ 788 r5 = vec_mergel(r10, r14); /*1,3,5,7,9,11,13,15 set 1*/ \ 789 r6 = vec_mergeh(r11, r15); /*1,3,5,7,9,11,13,15 set 2*/ \ 790 /* Don't need to compute 3 and 7*/ \ 791 \ 792 /*Final merge*/ \ 793 r8 = vec_mergeh(r0, r4); /*all set 0*/ \ 794 r9 = vec_mergel(r0, r4); /*all set 1*/ \ 795 r10 = vec_mergeh(r1, r5); /*all set 2*/ \ 796 r11 = vec_mergel(r1, r5); /*all set 3*/ \ 797 r12 = vec_mergeh(r2, r6); /*all set 4*/ \ 798 r13 = vec_mergel(r2, r6); /*all set 5*/ \ 799 /* Don't need to compute 14 and 15*/ \ 800 \ 801} 802 803// out: o = |x-y| < a 804static inline vec_u8 diff_lt_altivec ( register vec_u8 x, 805 register vec_u8 y, 806 register vec_u8 a) { 807 808 register vec_u8 diff = vec_subs(x, y); 809 register vec_u8 diffneg = vec_subs(y, x); 810 register vec_u8 o = vec_or(diff, diffneg); /* |x-y| */ 811 o = (vec_u8)vec_cmplt(o, a); 812 return o; 813} 814 815static inline vec_u8 h264_deblock_mask ( register vec_u8 p0, 816 register vec_u8 p1, 817 register vec_u8 q0, 818 register vec_u8 q1, 819 register vec_u8 alpha, 820 register vec_u8 beta) { 821 822 register vec_u8 mask; 823 register vec_u8 tempmask; 824 825 mask = diff_lt_altivec(p0, q0, alpha); 826 tempmask = diff_lt_altivec(p1, p0, beta); 827 mask = vec_and(mask, tempmask); 828 tempmask = diff_lt_altivec(q1, q0, beta); 829 mask = vec_and(mask, tempmask); 830 831 return mask; 832} 833 834// out: newp1 = clip((p2 + ((p0 + q0 + 1) >> 1)) >> 1, p1-tc0, p1+tc0) 835static inline vec_u8 h264_deblock_q1(register vec_u8 p0, 836 register vec_u8 p1, 837 register vec_u8 p2, 838 register vec_u8 q0, 839 register vec_u8 tc0) { 840 841 register vec_u8 average = vec_avg(p0, q0); 842 register vec_u8 temp; 843 register vec_u8 uncliped; 844 register vec_u8 ones; 845 register vec_u8 max; 846 register vec_u8 min; 847 register vec_u8 newp1; 848 849 temp = vec_xor(average, p2); 850 average = vec_avg(average, p2); /*avg(p2, avg(p0, q0)) */ 851 ones = vec_splat_u8(1); 852 temp = vec_and(temp, ones); /*(p2^avg(p0, q0)) & 1 */ 853 uncliped = vec_subs(average, temp); /*(p2+((p0+q0+1)>>1))>>1 */ 854 max = vec_adds(p1, tc0); 855 min = vec_subs(p1, tc0); 856 newp1 = vec_max(min, uncliped); 857 newp1 = vec_min(max, newp1); 858 return newp1; 859} 860 861#define h264_deblock_p0_q0(p0, p1, q0, q1, tc0masked) { \ 862 \ 863 const vec_u8 A0v = vec_sl(vec_splat_u8(10), vec_splat_u8(4)); \ 864 \ 865 register vec_u8 pq0bit = vec_xor(p0,q0); \ 866 register vec_u8 q1minus; \ 867 register vec_u8 p0minus; \ 868 register vec_u8 stage1; \ 869 register vec_u8 stage2; \ 870 register vec_u8 vec160; \ 871 register vec_u8 delta; \ 872 register vec_u8 deltaneg; \ 873 \ 874 q1minus = vec_nor(q1, q1); /* 255 - q1 */ \ 875 stage1 = vec_avg(p1, q1minus); /* (p1 - q1 + 256)>>1 */ \ 876 stage2 = vec_sr(stage1, vec_splat_u8(1)); /* (p1 - q1 + 256)>>2 = 64 + (p1 - q1) >> 2 */ \ 877 p0minus = vec_nor(p0, p0); /* 255 - p0 */ \ 878 stage1 = vec_avg(q0, p0minus); /* (q0 - p0 + 256)>>1 */ \ 879 pq0bit = vec_and(pq0bit, vec_splat_u8(1)); \ 880 stage2 = vec_avg(stage2, pq0bit); /* 32 + ((q0 - p0)&1 + (p1 - q1) >> 2 + 1) >> 1 */ \ 881 stage2 = vec_adds(stage2, stage1); /* 160 + ((p0 - q0) + (p1 - q1) >> 2 + 1) >> 1 */ \ 882 vec160 = vec_ld(0, &A0v); \ 883 deltaneg = vec_subs(vec160, stage2); /* -d */ \ 884 delta = vec_subs(stage2, vec160); /* d */ \ 885 deltaneg = vec_min(tc0masked, deltaneg); \ 886 delta = vec_min(tc0masked, delta); \ 887 p0 = vec_subs(p0, deltaneg); \ 888 q0 = vec_subs(q0, delta); \ 889 p0 = vec_adds(p0, delta); \ 890 q0 = vec_adds(q0, deltaneg); \ 891} 892 893#define h264_loop_filter_luma_altivec(p2, p1, p0, q0, q1, q2, alpha, beta, tc0) { \ 894 DECLARE_ALIGNED_16(unsigned char, temp[16]); \ 895 register vec_u8 alphavec; \ 896 register vec_u8 betavec; \ 897 register vec_u8 mask; \ 898 register vec_u8 p1mask; \ 899 register vec_u8 q1mask; \ 900 register vector signed char tc0vec; \ 901 register vec_u8 finaltc0; \ 902 register vec_u8 tc0masked; \ 903 register vec_u8 newp1; \ 904 register vec_u8 newq1; \ 905 \ 906 temp[0] = alpha; \ 907 temp[1] = beta; \ 908 alphavec = vec_ld(0, temp); \ 909 betavec = vec_splat(alphavec, 0x1); \ 910 alphavec = vec_splat(alphavec, 0x0); \ 911 mask = h264_deblock_mask(p0, p1, q0, q1, alphavec, betavec); /*if in block */ \ 912 \ 913 *((int *)temp) = *((int *)tc0); \ 914 tc0vec = vec_ld(0, (signed char*)temp); \ 915 tc0vec = vec_mergeh(tc0vec, tc0vec); \ 916 tc0vec = vec_mergeh(tc0vec, tc0vec); \ 917 mask = vec_and(mask, vec_cmpgt(tc0vec, vec_splat_s8(-1))); /* if tc0[i] >= 0 */ \ 918 finaltc0 = vec_and((vec_u8)tc0vec, mask); /* tc = tc0 */ \ 919 \ 920 p1mask = diff_lt_altivec(p2, p0, betavec); \ 921 p1mask = vec_and(p1mask, mask); /* if ( |p2 - p0| < beta) */ \ 922 tc0masked = vec_and(p1mask, (vec_u8)tc0vec); \ 923 finaltc0 = vec_sub(finaltc0, p1mask); /* tc++ */ \ 924 newp1 = h264_deblock_q1(p0, p1, p2, q0, tc0masked); \ 925 /*end if*/ \ 926 \ 927 q1mask = diff_lt_altivec(q2, q0, betavec); \ 928 q1mask = vec_and(q1mask, mask); /* if ( |q2 - q0| < beta ) */\ 929 tc0masked = vec_and(q1mask, (vec_u8)tc0vec); \ 930 finaltc0 = vec_sub(finaltc0, q1mask); /* tc++ */ \ 931 newq1 = h264_deblock_q1(p0, q1, q2, q0, tc0masked); \ 932 /*end if*/ \ 933 \ 934 h264_deblock_p0_q0(p0, p1, q0, q1, finaltc0); \ 935 p1 = newp1; \ 936 q1 = newq1; \ 937} 938 939static void h264_v_loop_filter_luma_altivec(uint8_t *pix, int stride, int alpha, int beta, int8_t *tc0) { 940 941 if ((tc0[0] & tc0[1] & tc0[2] & tc0[3]) >= 0) { 942 register vec_u8 p2 = vec_ld(-3*stride, pix); 943 register vec_u8 p1 = vec_ld(-2*stride, pix); 944 register vec_u8 p0 = vec_ld(-1*stride, pix); 945 register vec_u8 q0 = vec_ld(0, pix); 946 register vec_u8 q1 = vec_ld(stride, pix); 947 register vec_u8 q2 = vec_ld(2*stride, pix); 948 h264_loop_filter_luma_altivec(p2, p1, p0, q0, q1, q2, alpha, beta, tc0); 949 vec_st(p1, -2*stride, pix); 950 vec_st(p0, -1*stride, pix); 951 vec_st(q0, 0, pix); 952 vec_st(q1, stride, pix); 953 } 954} 955 956static void h264_h_loop_filter_luma_altivec(uint8_t *pix, int stride, int alpha, int beta, int8_t *tc0) { 957 958 register vec_u8 line0, line1, line2, line3, line4, line5; 959 if ((tc0[0] & tc0[1] & tc0[2] & tc0[3]) < 0) 960 return; 961 readAndTranspose16x6(pix-3, stride, line0, line1, line2, line3, line4, line5); 962 h264_loop_filter_luma_altivec(line0, line1, line2, line3, line4, line5, alpha, beta, tc0); 963 transpose4x16(line1, line2, line3, line4); 964 write16x4(pix-2, stride, line1, line2, line3, line4); 965} 966 967static av_always_inline 968void weight_h264_WxH_altivec(uint8_t *block, int stride, int log2_denom, int weight, int offset, int w, int h) 969{ 970 int y, aligned; 971 vec_u8 vblock; 972 vec_s16 vtemp, vweight, voffset, v0, v1; 973 vec_u16 vlog2_denom; 974 DECLARE_ALIGNED_16(int32_t, temp[4]); 975 LOAD_ZERO; 976 977 offset <<= log2_denom; 978 if(log2_denom) offset += 1<<(log2_denom-1); 979 temp[0] = log2_denom; 980 temp[1] = weight; 981 temp[2] = offset; 982 983 vtemp = (vec_s16)vec_ld(0, temp); 984 vlog2_denom = (vec_u16)vec_splat(vtemp, 1); 985 vweight = vec_splat(vtemp, 3); 986 voffset = vec_splat(vtemp, 5); 987 aligned = !((unsigned long)block & 0xf); 988 989 for (y=0; y<h; y++) { 990 vblock = vec_ld(0, block); 991 992 v0 = (vec_s16)vec_mergeh(zero_u8v, vblock); 993 v1 = (vec_s16)vec_mergel(zero_u8v, vblock); 994 995 if (w == 16 || aligned) { 996 v0 = vec_mladd(v0, vweight, zero_s16v); 997 v0 = vec_adds(v0, voffset); 998 v0 = vec_sra(v0, vlog2_denom); 999 } 1000 if (w == 16 || !aligned) { 1001 v1 = vec_mladd(v1, vweight, zero_s16v); 1002 v1 = vec_adds(v1, voffset); 1003 v1 = vec_sra(v1, vlog2_denom); 1004 } 1005 vblock = vec_packsu(v0, v1); 1006 vec_st(vblock, 0, block); 1007 1008 block += stride; 1009 } 1010} 1011 1012static av_always_inline 1013void biweight_h264_WxH_altivec(uint8_t *dst, uint8_t *src, int stride, int log2_denom, 1014 int weightd, int weights, int offset, int w, int h) 1015{ 1016 int y, dst_aligned, src_aligned; 1017 vec_u8 vsrc, vdst; 1018 vec_s16 vtemp, vweights, vweightd, voffset, v0, v1, v2, v3; 1019 vec_u16 vlog2_denom; 1020 DECLARE_ALIGNED_16(int32_t, temp[4]); 1021 LOAD_ZERO; 1022 1023 offset = ((offset + 1) | 1) << log2_denom; 1024 temp[0] = log2_denom+1; 1025 temp[1] = weights; 1026 temp[2] = weightd; 1027 temp[3] = offset; 1028 1029 vtemp = (vec_s16)vec_ld(0, temp); 1030 vlog2_denom = (vec_u16)vec_splat(vtemp, 1); 1031 vweights = vec_splat(vtemp, 3); 1032 vweightd = vec_splat(vtemp, 5); 1033 voffset = vec_splat(vtemp, 7); 1034 dst_aligned = !((unsigned long)dst & 0xf); 1035 src_aligned = !((unsigned long)src & 0xf); 1036 1037 for (y=0; y<h; y++) { 1038 vdst = vec_ld(0, dst); 1039 vsrc = vec_ld(0, src); 1040 1041 v0 = (vec_s16)vec_mergeh(zero_u8v, vdst); 1042 v1 = (vec_s16)vec_mergel(zero_u8v, vdst); 1043 v2 = (vec_s16)vec_mergeh(zero_u8v, vsrc); 1044 v3 = (vec_s16)vec_mergel(zero_u8v, vsrc); 1045 1046 if (w == 8) { 1047 if (src_aligned) 1048 v3 = v2; 1049 else 1050 v2 = v3; 1051 } 1052 1053 if (w == 16 || dst_aligned) { 1054 v0 = vec_mladd(v0, vweightd, zero_s16v); 1055 v2 = vec_mladd(v2, vweights, zero_s16v); 1056 1057 v0 = vec_adds(v0, voffset); 1058 v0 = vec_adds(v0, v2); 1059 v0 = vec_sra(v0, vlog2_denom); 1060 } 1061 if (w == 16 || !dst_aligned) { 1062 v1 = vec_mladd(v1, vweightd, zero_s16v); 1063 v3 = vec_mladd(v3, vweights, zero_s16v); 1064 1065 v1 = vec_adds(v1, voffset); 1066 v1 = vec_adds(v1, v3); 1067 v1 = vec_sra(v1, vlog2_denom); 1068 } 1069 vdst = vec_packsu(v0, v1); 1070 vec_st(vdst, 0, dst); 1071 1072 dst += stride; 1073 src += stride; 1074 } 1075} 1076 1077#define H264_WEIGHT(W,H) \ 1078static void ff_weight_h264_pixels ## W ## x ## H ## _altivec(uint8_t *block, int stride, int log2_denom, int weight, int offset){ \ 1079 weight_h264_WxH_altivec(block, stride, log2_denom, weight, offset, W, H); \ 1080}\ 1081static void ff_biweight_h264_pixels ## W ## x ## H ## _altivec(uint8_t *dst, uint8_t *src, int stride, int log2_denom, int weightd, int weights, int offset){ \ 1082 biweight_h264_WxH_altivec(dst, src, stride, log2_denom, weightd, weights, offset, W, H); \ 1083} 1084 1085H264_WEIGHT(16,16) 1086H264_WEIGHT(16, 8) 1087H264_WEIGHT( 8,16) 1088H264_WEIGHT( 8, 8) 1089H264_WEIGHT( 8, 4) 1090 1091void dsputil_h264_init_ppc(DSPContext* c, AVCodecContext *avctx) { 1092 1093 if (has_altivec()) { 1094 c->put_h264_chroma_pixels_tab[0] = put_h264_chroma_mc8_altivec; 1095 c->put_no_rnd_h264_chroma_pixels_tab[0] = put_no_rnd_h264_chroma_mc8_altivec; 1096 c->avg_h264_chroma_pixels_tab[0] = avg_h264_chroma_mc8_altivec; 1097 c->h264_idct_add = ff_h264_idct_add_altivec; 1098 c->h264_idct_add8 = ff_h264_idct_add8_altivec; 1099 c->h264_idct_add16 = ff_h264_idct_add16_altivec; 1100 c->h264_idct_add16intra = ff_h264_idct_add16intra_altivec; 1101 c->h264_idct_dc_add= h264_idct_dc_add_altivec; 1102 c->h264_idct8_dc_add = ff_h264_idct8_dc_add_altivec; 1103 c->h264_idct8_add = ff_h264_idct8_add_altivec; 1104 c->h264_idct8_add4 = ff_h264_idct8_add4_altivec; 1105 c->h264_v_loop_filter_luma= h264_v_loop_filter_luma_altivec; 1106 c->h264_h_loop_filter_luma= h264_h_loop_filter_luma_altivec; 1107 1108#define dspfunc(PFX, IDX, NUM) \ 1109 c->PFX ## _pixels_tab[IDX][ 0] = PFX ## NUM ## _mc00_altivec; \ 1110 c->PFX ## _pixels_tab[IDX][ 1] = PFX ## NUM ## _mc10_altivec; \ 1111 c->PFX ## _pixels_tab[IDX][ 2] = PFX ## NUM ## _mc20_altivec; \ 1112 c->PFX ## _pixels_tab[IDX][ 3] = PFX ## NUM ## _mc30_altivec; \ 1113 c->PFX ## _pixels_tab[IDX][ 4] = PFX ## NUM ## _mc01_altivec; \ 1114 c->PFX ## _pixels_tab[IDX][ 5] = PFX ## NUM ## _mc11_altivec; \ 1115 c->PFX ## _pixels_tab[IDX][ 6] = PFX ## NUM ## _mc21_altivec; \ 1116 c->PFX ## _pixels_tab[IDX][ 7] = PFX ## NUM ## _mc31_altivec; \ 1117 c->PFX ## _pixels_tab[IDX][ 8] = PFX ## NUM ## _mc02_altivec; \ 1118 c->PFX ## _pixels_tab[IDX][ 9] = PFX ## NUM ## _mc12_altivec; \ 1119 c->PFX ## _pixels_tab[IDX][10] = PFX ## NUM ## _mc22_altivec; \ 1120 c->PFX ## _pixels_tab[IDX][11] = PFX ## NUM ## _mc32_altivec; \ 1121 c->PFX ## _pixels_tab[IDX][12] = PFX ## NUM ## _mc03_altivec; \ 1122 c->PFX ## _pixels_tab[IDX][13] = PFX ## NUM ## _mc13_altivec; \ 1123 c->PFX ## _pixels_tab[IDX][14] = PFX ## NUM ## _mc23_altivec; \ 1124 c->PFX ## _pixels_tab[IDX][15] = PFX ## NUM ## _mc33_altivec 1125 1126 dspfunc(put_h264_qpel, 0, 16); 1127 dspfunc(avg_h264_qpel, 0, 16); 1128#undef dspfunc 1129 1130 c->weight_h264_pixels_tab[0] = ff_weight_h264_pixels16x16_altivec; 1131 c->weight_h264_pixels_tab[1] = ff_weight_h264_pixels16x8_altivec; 1132 c->weight_h264_pixels_tab[2] = ff_weight_h264_pixels8x16_altivec; 1133 c->weight_h264_pixels_tab[3] = ff_weight_h264_pixels8x8_altivec; 1134 c->weight_h264_pixels_tab[4] = ff_weight_h264_pixels8x4_altivec; 1135 c->biweight_h264_pixels_tab[0] = ff_biweight_h264_pixels16x16_altivec; 1136 c->biweight_h264_pixels_tab[1] = ff_biweight_h264_pixels16x8_altivec; 1137 c->biweight_h264_pixels_tab[2] = ff_biweight_h264_pixels8x16_altivec; 1138 c->biweight_h264_pixels_tab[3] = ff_biweight_h264_pixels8x8_altivec; 1139 c->biweight_h264_pixels_tab[4] = ff_biweight_h264_pixels8x4_altivec; 1140 } 1141} 1142