| 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 "config.h" |
| 22 | #include "libavutil/attributes.h" |
| 23 | #include "libavutil/cpu.h" |
| 24 | #include "libavutil/intreadwrite.h" |
| 25 | #include "libavutil/ppc/cpu.h" |
| 26 | #include "libavutil/ppc/types_altivec.h" |
| 27 | #include "libavutil/ppc/util_altivec.h" |
| 28 | #include "libavcodec/h264data.h" |
| 29 | #include "libavcodec/h264dsp.h" |
| 30 | |
| 31 | #if HAVE_ALTIVEC |
| 32 | |
| 33 | /**************************************************************************** |
| 34 | * IDCT transform: |
| 35 | ****************************************************************************/ |
| 36 | |
| 37 | #define VEC_1D_DCT(vb0,vb1,vb2,vb3,va0,va1,va2,va3) \ |
| 38 | /* 1st stage */ \ |
| 39 | vz0 = vec_add(vb0,vb2); /* temp[0] = Y[0] + Y[2] */ \ |
| 40 | vz1 = vec_sub(vb0,vb2); /* temp[1] = Y[0] - Y[2] */ \ |
| 41 | vz2 = vec_sra(vb1,vec_splat_u16(1)); \ |
| 42 | vz2 = vec_sub(vz2,vb3); /* temp[2] = Y[1].1/2 - Y[3] */ \ |
| 43 | vz3 = vec_sra(vb3,vec_splat_u16(1)); \ |
| 44 | vz3 = vec_add(vb1,vz3); /* temp[3] = Y[1] + Y[3].1/2 */ \ |
| 45 | /* 2nd stage: output */ \ |
| 46 | va0 = vec_add(vz0,vz3); /* x[0] = temp[0] + temp[3] */ \ |
| 47 | va1 = vec_add(vz1,vz2); /* x[1] = temp[1] + temp[2] */ \ |
| 48 | va2 = vec_sub(vz1,vz2); /* x[2] = temp[1] - temp[2] */ \ |
| 49 | va3 = vec_sub(vz0,vz3) /* x[3] = temp[0] - temp[3] */ |
| 50 | |
| 51 | #define VEC_TRANSPOSE_4(a0,a1,a2,a3,b0,b1,b2,b3) \ |
| 52 | b0 = vec_mergeh( a0, a0 ); \ |
| 53 | b1 = vec_mergeh( a1, a0 ); \ |
| 54 | b2 = vec_mergeh( a2, a0 ); \ |
| 55 | b3 = vec_mergeh( a3, a0 ); \ |
| 56 | a0 = vec_mergeh( b0, b2 ); \ |
| 57 | a1 = vec_mergel( b0, b2 ); \ |
| 58 | a2 = vec_mergeh( b1, b3 ); \ |
| 59 | a3 = vec_mergel( b1, b3 ); \ |
| 60 | b0 = vec_mergeh( a0, a2 ); \ |
| 61 | b1 = vec_mergel( a0, a2 ); \ |
| 62 | b2 = vec_mergeh( a1, a3 ); \ |
| 63 | b3 = vec_mergel( a1, a3 ) |
| 64 | |
| 65 | #if HAVE_BIGENDIAN |
| 66 | #define vdst_load(d) \ |
| 67 | vdst_orig = vec_ld(0, dst); \ |
| 68 | vdst = vec_perm(vdst_orig, zero_u8v, vdst_mask); |
| 69 | #else |
| 70 | #define vdst_load(d) vdst = vec_vsx_ld(0, dst) |
| 71 | #endif |
| 72 | |
| 73 | #define VEC_LOAD_U8_ADD_S16_STORE_U8(va) \ |
| 74 | vdst_load(); \ |
| 75 | vdst_ss = (vec_s16) VEC_MERGEH(zero_u8v, vdst); \ |
| 76 | va = vec_add(va, vdst_ss); \ |
| 77 | va_u8 = vec_packsu(va, zero_s16v); \ |
| 78 | va_u32 = vec_splat((vec_u32)va_u8, 0); \ |
| 79 | vec_ste(va_u32, element, (uint32_t*)dst); |
| 80 | |
| 81 | static void h264_idct_add_altivec(uint8_t *dst, int16_t *block, int stride) |
| 82 | { |
| 83 | vec_s16 va0, va1, va2, va3; |
| 84 | vec_s16 vz0, vz1, vz2, vz3; |
| 85 | vec_s16 vtmp0, vtmp1, vtmp2, vtmp3; |
| 86 | vec_u8 va_u8; |
| 87 | vec_u32 va_u32; |
| 88 | vec_s16 vdst_ss; |
| 89 | const vec_u16 v6us = vec_splat_u16(6); |
| 90 | vec_u8 vdst, vdst_orig; |
| 91 | vec_u8 vdst_mask = vec_lvsl(0, dst); |
| 92 | int element = ((unsigned long)dst & 0xf) >> 2; |
| 93 | LOAD_ZERO; |
| 94 | |
| 95 | block[0] += 32; /* add 32 as a DC-level for rounding */ |
| 96 | |
| 97 | vtmp0 = vec_ld(0,block); |
| 98 | vtmp1 = vec_sld(vtmp0, vtmp0, 8); |
| 99 | vtmp2 = vec_ld(16,block); |
| 100 | vtmp3 = vec_sld(vtmp2, vtmp2, 8); |
| 101 | memset(block, 0, 16 * sizeof(int16_t)); |
| 102 | |
| 103 | VEC_1D_DCT(vtmp0,vtmp1,vtmp2,vtmp3,va0,va1,va2,va3); |
| 104 | VEC_TRANSPOSE_4(va0,va1,va2,va3,vtmp0,vtmp1,vtmp2,vtmp3); |
| 105 | VEC_1D_DCT(vtmp0,vtmp1,vtmp2,vtmp3,va0,va1,va2,va3); |
| 106 | |
| 107 | va0 = vec_sra(va0,v6us); |
| 108 | va1 = vec_sra(va1,v6us); |
| 109 | va2 = vec_sra(va2,v6us); |
| 110 | va3 = vec_sra(va3,v6us); |
| 111 | |
| 112 | VEC_LOAD_U8_ADD_S16_STORE_U8(va0); |
| 113 | dst += stride; |
| 114 | VEC_LOAD_U8_ADD_S16_STORE_U8(va1); |
| 115 | dst += stride; |
| 116 | VEC_LOAD_U8_ADD_S16_STORE_U8(va2); |
| 117 | dst += stride; |
| 118 | VEC_LOAD_U8_ADD_S16_STORE_U8(va3); |
| 119 | } |
| 120 | |
| 121 | #define IDCT8_1D_ALTIVEC(s0, s1, s2, s3, s4, s5, s6, s7, d0, d1, d2, d3, d4, d5, d6, d7) {\ |
| 122 | /* a0 = SRC(0) + SRC(4); */ \ |
| 123 | vec_s16 a0v = vec_add(s0, s4); \ |
| 124 | /* a2 = SRC(0) - SRC(4); */ \ |
| 125 | vec_s16 a2v = vec_sub(s0, s4); \ |
| 126 | /* a4 = (SRC(2)>>1) - SRC(6); */ \ |
| 127 | vec_s16 a4v = vec_sub(vec_sra(s2, onev), s6); \ |
| 128 | /* a6 = (SRC(6)>>1) + SRC(2); */ \ |
| 129 | vec_s16 a6v = vec_add(vec_sra(s6, onev), s2); \ |
| 130 | /* b0 = a0 + a6; */ \ |
| 131 | vec_s16 b0v = vec_add(a0v, a6v); \ |
| 132 | /* b2 = a2 + a4; */ \ |
| 133 | vec_s16 b2v = vec_add(a2v, a4v); \ |
| 134 | /* b4 = a2 - a4; */ \ |
| 135 | vec_s16 b4v = vec_sub(a2v, a4v); \ |
| 136 | /* b6 = a0 - a6; */ \ |
| 137 | vec_s16 b6v = vec_sub(a0v, a6v); \ |
| 138 | /* a1 = SRC(5) - SRC(3) - SRC(7) - (SRC(7)>>1); */ \ |
| 139 | /* a1 = (SRC(5)-SRC(3)) - (SRC(7) + (SRC(7)>>1)); */ \ |
| 140 | vec_s16 a1v = vec_sub( vec_sub(s5, s3), vec_add(s7, vec_sra(s7, onev)) ); \ |
| 141 | /* a3 = SRC(7) + SRC(1) - SRC(3) - (SRC(3)>>1); */ \ |
| 142 | /* a3 = (SRC(7)+SRC(1)) - (SRC(3) + (SRC(3)>>1)); */ \ |
| 143 | vec_s16 a3v = vec_sub( vec_add(s7, s1), vec_add(s3, vec_sra(s3, onev)) );\ |
| 144 | /* a5 = SRC(7) - SRC(1) + SRC(5) + (SRC(5)>>1); */ \ |
| 145 | /* a5 = (SRC(7)-SRC(1)) + SRC(5) + (SRC(5)>>1); */ \ |
| 146 | vec_s16 a5v = vec_add( vec_sub(s7, s1), vec_add(s5, vec_sra(s5, onev)) );\ |
| 147 | /* a7 = SRC(5)+SRC(3) + SRC(1) + (SRC(1)>>1); */ \ |
| 148 | vec_s16 a7v = vec_add( vec_add(s5, s3), vec_add(s1, vec_sra(s1, onev)) );\ |
| 149 | /* b1 = (a7>>2) + a1; */ \ |
| 150 | vec_s16 b1v = vec_add( vec_sra(a7v, twov), a1v); \ |
| 151 | /* b3 = a3 + (a5>>2); */ \ |
| 152 | vec_s16 b3v = vec_add(a3v, vec_sra(a5v, twov)); \ |
| 153 | /* b5 = (a3>>2) - a5; */ \ |
| 154 | vec_s16 b5v = vec_sub( vec_sra(a3v, twov), a5v); \ |
| 155 | /* b7 = a7 - (a1>>2); */ \ |
| 156 | vec_s16 b7v = vec_sub( a7v, vec_sra(a1v, twov)); \ |
| 157 | /* DST(0, b0 + b7); */ \ |
| 158 | d0 = vec_add(b0v, b7v); \ |
| 159 | /* DST(1, b2 + b5); */ \ |
| 160 | d1 = vec_add(b2v, b5v); \ |
| 161 | /* DST(2, b4 + b3); */ \ |
| 162 | d2 = vec_add(b4v, b3v); \ |
| 163 | /* DST(3, b6 + b1); */ \ |
| 164 | d3 = vec_add(b6v, b1v); \ |
| 165 | /* DST(4, b6 - b1); */ \ |
| 166 | d4 = vec_sub(b6v, b1v); \ |
| 167 | /* DST(5, b4 - b3); */ \ |
| 168 | d5 = vec_sub(b4v, b3v); \ |
| 169 | /* DST(6, b2 - b5); */ \ |
| 170 | d6 = vec_sub(b2v, b5v); \ |
| 171 | /* DST(7, b0 - b7); */ \ |
| 172 | d7 = vec_sub(b0v, b7v); \ |
| 173 | } |
| 174 | |
| 175 | #if HAVE_BIGENDIAN |
| 176 | #define GET_2PERM(ldv, stv, d) \ |
| 177 | ldv = vec_lvsl(0, d); \ |
| 178 | stv = vec_lvsr(8, d); |
| 179 | #define dstv_load(d) \ |
| 180 | vec_u8 hv = vec_ld( 0, d ); \ |
| 181 | vec_u8 lv = vec_ld( 7, d); \ |
| 182 | vec_u8 dstv = vec_perm( hv, lv, (vec_u8)perm_ldv ); |
| 183 | #define dest_unligned_store(d) \ |
| 184 | vec_u8 edgehv; \ |
| 185 | vec_u8 bodyv = vec_perm( idstsum8, idstsum8, perm_stv ); \ |
| 186 | vec_u8 edgelv = vec_perm( sel, zero_u8v, perm_stv ); \ |
| 187 | lv = vec_sel( lv, bodyv, edgelv ); \ |
| 188 | vec_st( lv, 7, d ); \ |
| 189 | hv = vec_ld( 0, d ); \ |
| 190 | edgehv = vec_perm( zero_u8v, sel, perm_stv ); \ |
| 191 | hv = vec_sel( hv, bodyv, edgehv ); \ |
| 192 | vec_st( hv, 0, d ); |
| 193 | #else |
| 194 | |
| 195 | #define GET_2PERM(ldv, stv, d) {} |
| 196 | #define dstv_load(d) vec_u8 dstv = vec_vsx_ld(0, d) |
| 197 | #define dest_unligned_store(d)\ |
| 198 | vec_u8 dst8 = vec_perm((vec_u8)idstsum8, dstv, vcprm(2,3,s2,s3));\ |
| 199 | vec_vsx_st(dst8, 0, d) |
| 200 | #endif /* HAVE_BIGENDIAN */ |
| 201 | |
| 202 | #define ALTIVEC_STORE_SUM_CLIP(dest, idctv, perm_ldv, perm_stv, sel) { \ |
| 203 | /* unaligned load */ \ |
| 204 | dstv_load(dest); \ |
| 205 | vec_s16 idct_sh6 = vec_sra(idctv, sixv); \ |
| 206 | vec_u16 dst16 = (vec_u16)VEC_MERGEH(zero_u8v, dstv); \ |
| 207 | vec_s16 idstsum = vec_adds(idct_sh6, (vec_s16)dst16); \ |
| 208 | vec_u8 idstsum8 = vec_packsu(zero_s16v, idstsum); \ |
| 209 | /* unaligned store */ \ |
| 210 | dest_unligned_store(dest);\ |
| 211 | } |
| 212 | |
| 213 | static void h264_idct8_add_altivec(uint8_t *dst, int16_t *dct, int stride) |
| 214 | { |
| 215 | vec_s16 s0, s1, s2, s3, s4, s5, s6, s7; |
| 216 | vec_s16 d0, d1, d2, d3, d4, d5, d6, d7; |
| 217 | vec_s16 idct0, idct1, idct2, idct3, idct4, idct5, idct6, idct7; |
| 218 | |
| 219 | vec_u8 perm_ldv, perm_stv; |
| 220 | GET_2PERM(perm_ldv, perm_stv, dst); |
| 221 | |
| 222 | const vec_u16 onev = vec_splat_u16(1); |
| 223 | const vec_u16 twov = vec_splat_u16(2); |
| 224 | const vec_u16 sixv = vec_splat_u16(6); |
| 225 | |
| 226 | const vec_u8 sel = (vec_u8) {0,0,0,0,0,0,0,0,-1,-1,-1,-1,-1,-1,-1,-1}; |
| 227 | LOAD_ZERO; |
| 228 | |
| 229 | dct[0] += 32; // rounding for the >>6 at the end |
| 230 | |
| 231 | s0 = vec_ld(0x00, (int16_t*)dct); |
| 232 | s1 = vec_ld(0x10, (int16_t*)dct); |
| 233 | s2 = vec_ld(0x20, (int16_t*)dct); |
| 234 | s3 = vec_ld(0x30, (int16_t*)dct); |
| 235 | s4 = vec_ld(0x40, (int16_t*)dct); |
| 236 | s5 = vec_ld(0x50, (int16_t*)dct); |
| 237 | s6 = vec_ld(0x60, (int16_t*)dct); |
| 238 | s7 = vec_ld(0x70, (int16_t*)dct); |
| 239 | memset(dct, 0, 64 * sizeof(int16_t)); |
| 240 | |
| 241 | IDCT8_1D_ALTIVEC(s0, s1, s2, s3, s4, s5, s6, s7, |
| 242 | d0, d1, d2, d3, d4, d5, d6, d7); |
| 243 | |
| 244 | TRANSPOSE8( d0, d1, d2, d3, d4, d5, d6, d7 ); |
| 245 | |
| 246 | IDCT8_1D_ALTIVEC(d0, d1, d2, d3, d4, d5, d6, d7, |
| 247 | idct0, idct1, idct2, idct3, idct4, idct5, idct6, idct7); |
| 248 | |
| 249 | ALTIVEC_STORE_SUM_CLIP(&dst[0*stride], idct0, perm_ldv, perm_stv, sel); |
| 250 | ALTIVEC_STORE_SUM_CLIP(&dst[1*stride], idct1, perm_ldv, perm_stv, sel); |
| 251 | ALTIVEC_STORE_SUM_CLIP(&dst[2*stride], idct2, perm_ldv, perm_stv, sel); |
| 252 | ALTIVEC_STORE_SUM_CLIP(&dst[3*stride], idct3, perm_ldv, perm_stv, sel); |
| 253 | ALTIVEC_STORE_SUM_CLIP(&dst[4*stride], idct4, perm_ldv, perm_stv, sel); |
| 254 | ALTIVEC_STORE_SUM_CLIP(&dst[5*stride], idct5, perm_ldv, perm_stv, sel); |
| 255 | ALTIVEC_STORE_SUM_CLIP(&dst[6*stride], idct6, perm_ldv, perm_stv, sel); |
| 256 | ALTIVEC_STORE_SUM_CLIP(&dst[7*stride], idct7, perm_ldv, perm_stv, sel); |
| 257 | } |
| 258 | |
| 259 | static av_always_inline void h264_idct_dc_add_internal(uint8_t *dst, int16_t *block, int stride, int size) |
| 260 | { |
| 261 | vec_s16 dc16; |
| 262 | vec_u8 dcplus, dcminus, v0, v1, v2, v3, aligner; |
| 263 | vec_s32 v_dc32; |
| 264 | LOAD_ZERO; |
| 265 | DECLARE_ALIGNED(16, int, dc); |
| 266 | int i; |
| 267 | |
| 268 | dc = (block[0] + 32) >> 6; |
| 269 | block[0] = 0; |
| 270 | v_dc32 = vec_lde(0, &dc); |
| 271 | dc16 = VEC_SPLAT16((vec_s16)v_dc32, 1); |
| 272 | |
| 273 | if (size == 4) |
| 274 | dc16 = VEC_SLD16(dc16, zero_s16v, 8); |
| 275 | dcplus = vec_packsu(dc16, zero_s16v); |
| 276 | dcminus = vec_packsu(vec_sub(zero_s16v, dc16), zero_s16v); |
| 277 | |
| 278 | aligner = vec_lvsr(0, dst); |
| 279 | #if !HAVE_BIGENDIAN |
| 280 | aligner = vec_perm(aligner, zero_u8v, vcswapc()); |
| 281 | #endif |
| 282 | dcplus = vec_perm(dcplus, dcplus, aligner); |
| 283 | dcminus = vec_perm(dcminus, dcminus, aligner); |
| 284 | |
| 285 | for (i = 0; i < size; i += 4) { |
| 286 | v0 = vec_ld(0, dst+0*stride); |
| 287 | v1 = vec_ld(0, dst+1*stride); |
| 288 | v2 = vec_ld(0, dst+2*stride); |
| 289 | v3 = vec_ld(0, dst+3*stride); |
| 290 | |
| 291 | v0 = vec_adds(v0, dcplus); |
| 292 | v1 = vec_adds(v1, dcplus); |
| 293 | v2 = vec_adds(v2, dcplus); |
| 294 | v3 = vec_adds(v3, dcplus); |
| 295 | |
| 296 | v0 = vec_subs(v0, dcminus); |
| 297 | v1 = vec_subs(v1, dcminus); |
| 298 | v2 = vec_subs(v2, dcminus); |
| 299 | v3 = vec_subs(v3, dcminus); |
| 300 | |
| 301 | vec_st(v0, 0, dst+0*stride); |
| 302 | vec_st(v1, 0, dst+1*stride); |
| 303 | vec_st(v2, 0, dst+2*stride); |
| 304 | vec_st(v3, 0, dst+3*stride); |
| 305 | |
| 306 | dst += 4*stride; |
| 307 | } |
| 308 | } |
| 309 | |
| 310 | static void h264_idct_dc_add_altivec(uint8_t *dst, int16_t *block, int stride) |
| 311 | { |
| 312 | h264_idct_dc_add_internal(dst, block, stride, 4); |
| 313 | } |
| 314 | |
| 315 | static void h264_idct8_dc_add_altivec(uint8_t *dst, int16_t *block, int stride) |
| 316 | { |
| 317 | h264_idct_dc_add_internal(dst, block, stride, 8); |
| 318 | } |
| 319 | |
| 320 | static void h264_idct_add16_altivec(uint8_t *dst, const int *block_offset, |
| 321 | int16_t *block, int stride, |
| 322 | const uint8_t nnzc[15 * 8]) |
| 323 | { |
| 324 | int i; |
| 325 | for(i=0; i<16; i++){ |
| 326 | int nnz = nnzc[ scan8[i] ]; |
| 327 | if(nnz){ |
| 328 | if(nnz==1 && block[i*16]) h264_idct_dc_add_altivec(dst + block_offset[i], block + i*16, stride); |
| 329 | else h264_idct_add_altivec(dst + block_offset[i], block + i*16, stride); |
| 330 | } |
| 331 | } |
| 332 | } |
| 333 | |
| 334 | static void h264_idct_add16intra_altivec(uint8_t *dst, const int *block_offset, |
| 335 | int16_t *block, int stride, |
| 336 | const uint8_t nnzc[15 * 8]) |
| 337 | { |
| 338 | int i; |
| 339 | for(i=0; i<16; i++){ |
| 340 | if(nnzc[ scan8[i] ]) h264_idct_add_altivec(dst + block_offset[i], block + i*16, stride); |
| 341 | else if(block[i*16]) h264_idct_dc_add_altivec(dst + block_offset[i], block + i*16, stride); |
| 342 | } |
| 343 | } |
| 344 | |
| 345 | static void h264_idct8_add4_altivec(uint8_t *dst, const int *block_offset, |
| 346 | int16_t *block, int stride, |
| 347 | const uint8_t nnzc[15 * 8]) |
| 348 | { |
| 349 | int i; |
| 350 | for(i=0; i<16; i+=4){ |
| 351 | int nnz = nnzc[ scan8[i] ]; |
| 352 | if(nnz){ |
| 353 | if(nnz==1 && block[i*16]) h264_idct8_dc_add_altivec(dst + block_offset[i], block + i*16, stride); |
| 354 | else h264_idct8_add_altivec(dst + block_offset[i], block + i*16, stride); |
| 355 | } |
| 356 | } |
| 357 | } |
| 358 | |
| 359 | static void h264_idct_add8_altivec(uint8_t **dest, const int *block_offset, |
| 360 | int16_t *block, int stride, |
| 361 | const uint8_t nnzc[15 * 8]) |
| 362 | { |
| 363 | int i, j; |
| 364 | for (j = 1; j < 3; j++) { |
| 365 | for(i = j * 16; i < j * 16 + 4; i++){ |
| 366 | if(nnzc[ scan8[i] ]) |
| 367 | h264_idct_add_altivec(dest[j-1] + block_offset[i], block + i*16, stride); |
| 368 | else if(block[i*16]) |
| 369 | h264_idct_dc_add_altivec(dest[j-1] + block_offset[i], block + i*16, stride); |
| 370 | } |
| 371 | } |
| 372 | } |
| 373 | |
| 374 | #define transpose4x16(r0, r1, r2, r3) { \ |
| 375 | register vec_u8 r4; \ |
| 376 | register vec_u8 r5; \ |
| 377 | register vec_u8 r6; \ |
| 378 | register vec_u8 r7; \ |
| 379 | \ |
| 380 | r4 = vec_mergeh(r0, r2); /*0, 2 set 0*/ \ |
| 381 | r5 = vec_mergel(r0, r2); /*0, 2 set 1*/ \ |
| 382 | r6 = vec_mergeh(r1, r3); /*1, 3 set 0*/ \ |
| 383 | r7 = vec_mergel(r1, r3); /*1, 3 set 1*/ \ |
| 384 | \ |
| 385 | r0 = vec_mergeh(r4, r6); /*all set 0*/ \ |
| 386 | r1 = vec_mergel(r4, r6); /*all set 1*/ \ |
| 387 | r2 = vec_mergeh(r5, r7); /*all set 2*/ \ |
| 388 | r3 = vec_mergel(r5, r7); /*all set 3*/ \ |
| 389 | } |
| 390 | |
| 391 | static inline void write16x4(uint8_t *dst, int dst_stride, |
| 392 | register vec_u8 r0, register vec_u8 r1, |
| 393 | register vec_u8 r2, register vec_u8 r3) { |
| 394 | DECLARE_ALIGNED(16, unsigned char, result)[64]; |
| 395 | uint32_t *src_int = (uint32_t *)result, *dst_int = (uint32_t *)dst; |
| 396 | int int_dst_stride = dst_stride/4; |
| 397 | |
| 398 | vec_st(r0, 0, result); |
| 399 | vec_st(r1, 16, result); |
| 400 | vec_st(r2, 32, result); |
| 401 | vec_st(r3, 48, result); |
| 402 | /* FIXME: there has to be a better way!!!! */ |
| 403 | *dst_int = *src_int; |
| 404 | *(dst_int+ int_dst_stride) = *(src_int + 1); |
| 405 | *(dst_int+ 2*int_dst_stride) = *(src_int + 2); |
| 406 | *(dst_int+ 3*int_dst_stride) = *(src_int + 3); |
| 407 | *(dst_int+ 4*int_dst_stride) = *(src_int + 4); |
| 408 | *(dst_int+ 5*int_dst_stride) = *(src_int + 5); |
| 409 | *(dst_int+ 6*int_dst_stride) = *(src_int + 6); |
| 410 | *(dst_int+ 7*int_dst_stride) = *(src_int + 7); |
| 411 | *(dst_int+ 8*int_dst_stride) = *(src_int + 8); |
| 412 | *(dst_int+ 9*int_dst_stride) = *(src_int + 9); |
| 413 | *(dst_int+10*int_dst_stride) = *(src_int + 10); |
| 414 | *(dst_int+11*int_dst_stride) = *(src_int + 11); |
| 415 | *(dst_int+12*int_dst_stride) = *(src_int + 12); |
| 416 | *(dst_int+13*int_dst_stride) = *(src_int + 13); |
| 417 | *(dst_int+14*int_dst_stride) = *(src_int + 14); |
| 418 | *(dst_int+15*int_dst_stride) = *(src_int + 15); |
| 419 | } |
| 420 | |
| 421 | /** @brief performs a 6x16 transpose of data in src, and stores it to dst |
| 422 | @todo FIXME: see if we can't spare some vec_lvsl() by them factorizing |
| 423 | out of unaligned_load() */ |
| 424 | #define readAndTranspose16x6(src, src_stride, r8, r9, r10, r11, r12, r13) {\ |
| 425 | register vec_u8 r0 = unaligned_load(0, src); \ |
| 426 | register vec_u8 r1 = unaligned_load( src_stride, src); \ |
| 427 | register vec_u8 r2 = unaligned_load(2* src_stride, src); \ |
| 428 | register vec_u8 r3 = unaligned_load(3* src_stride, src); \ |
| 429 | register vec_u8 r4 = unaligned_load(4* src_stride, src); \ |
| 430 | register vec_u8 r5 = unaligned_load(5* src_stride, src); \ |
| 431 | register vec_u8 r6 = unaligned_load(6* src_stride, src); \ |
| 432 | register vec_u8 r7 = unaligned_load(7* src_stride, src); \ |
| 433 | register vec_u8 r14 = unaligned_load(14*src_stride, src); \ |
| 434 | register vec_u8 r15 = unaligned_load(15*src_stride, src); \ |
| 435 | \ |
| 436 | r8 = unaligned_load( 8*src_stride, src); \ |
| 437 | r9 = unaligned_load( 9*src_stride, src); \ |
| 438 | r10 = unaligned_load(10*src_stride, src); \ |
| 439 | r11 = unaligned_load(11*src_stride, src); \ |
| 440 | r12 = unaligned_load(12*src_stride, src); \ |
| 441 | r13 = unaligned_load(13*src_stride, src); \ |
| 442 | \ |
| 443 | /*Merge first pairs*/ \ |
| 444 | r0 = vec_mergeh(r0, r8); /*0, 8*/ \ |
| 445 | r1 = vec_mergeh(r1, r9); /*1, 9*/ \ |
| 446 | r2 = vec_mergeh(r2, r10); /*2,10*/ \ |
| 447 | r3 = vec_mergeh(r3, r11); /*3,11*/ \ |
| 448 | r4 = vec_mergeh(r4, r12); /*4,12*/ \ |
| 449 | r5 = vec_mergeh(r5, r13); /*5,13*/ \ |
| 450 | r6 = vec_mergeh(r6, r14); /*6,14*/ \ |
| 451 | r7 = vec_mergeh(r7, r15); /*7,15*/ \ |
| 452 | \ |
| 453 | /*Merge second pairs*/ \ |
| 454 | r8 = vec_mergeh(r0, r4); /*0,4, 8,12 set 0*/ \ |
| 455 | r9 = vec_mergel(r0, r4); /*0,4, 8,12 set 1*/ \ |
| 456 | r10 = vec_mergeh(r1, r5); /*1,5, 9,13 set 0*/ \ |
| 457 | r11 = vec_mergel(r1, r5); /*1,5, 9,13 set 1*/ \ |
| 458 | r12 = vec_mergeh(r2, r6); /*2,6,10,14 set 0*/ \ |
| 459 | r13 = vec_mergel(r2, r6); /*2,6,10,14 set 1*/ \ |
| 460 | r14 = vec_mergeh(r3, r7); /*3,7,11,15 set 0*/ \ |
| 461 | r15 = vec_mergel(r3, r7); /*3,7,11,15 set 1*/ \ |
| 462 | \ |
| 463 | /*Third merge*/ \ |
| 464 | r0 = vec_mergeh(r8, r12); /*0,2,4,6,8,10,12,14 set 0*/ \ |
| 465 | r1 = vec_mergel(r8, r12); /*0,2,4,6,8,10,12,14 set 1*/ \ |
| 466 | r2 = vec_mergeh(r9, r13); /*0,2,4,6,8,10,12,14 set 2*/ \ |
| 467 | r4 = vec_mergeh(r10, r14); /*1,3,5,7,9,11,13,15 set 0*/ \ |
| 468 | r5 = vec_mergel(r10, r14); /*1,3,5,7,9,11,13,15 set 1*/ \ |
| 469 | r6 = vec_mergeh(r11, r15); /*1,3,5,7,9,11,13,15 set 2*/ \ |
| 470 | /* Don't need to compute 3 and 7*/ \ |
| 471 | \ |
| 472 | /*Final merge*/ \ |
| 473 | r8 = vec_mergeh(r0, r4); /*all set 0*/ \ |
| 474 | r9 = vec_mergel(r0, r4); /*all set 1*/ \ |
| 475 | r10 = vec_mergeh(r1, r5); /*all set 2*/ \ |
| 476 | r11 = vec_mergel(r1, r5); /*all set 3*/ \ |
| 477 | r12 = vec_mergeh(r2, r6); /*all set 4*/ \ |
| 478 | r13 = vec_mergel(r2, r6); /*all set 5*/ \ |
| 479 | /* Don't need to compute 14 and 15*/ \ |
| 480 | \ |
| 481 | } |
| 482 | |
| 483 | // out: o = |x-y| < a |
| 484 | static inline vec_u8 diff_lt_altivec ( register vec_u8 x, |
| 485 | register vec_u8 y, |
| 486 | register vec_u8 a) { |
| 487 | |
| 488 | register vec_u8 diff = vec_subs(x, y); |
| 489 | register vec_u8 diffneg = vec_subs(y, x); |
| 490 | register vec_u8 o = vec_or(diff, diffneg); /* |x-y| */ |
| 491 | o = (vec_u8)vec_cmplt(o, a); |
| 492 | return o; |
| 493 | } |
| 494 | |
| 495 | static inline vec_u8 h264_deblock_mask ( register vec_u8 p0, |
| 496 | register vec_u8 p1, |
| 497 | register vec_u8 q0, |
| 498 | register vec_u8 q1, |
| 499 | register vec_u8 alpha, |
| 500 | register vec_u8 beta) { |
| 501 | |
| 502 | register vec_u8 mask; |
| 503 | register vec_u8 tempmask; |
| 504 | |
| 505 | mask = diff_lt_altivec(p0, q0, alpha); |
| 506 | tempmask = diff_lt_altivec(p1, p0, beta); |
| 507 | mask = vec_and(mask, tempmask); |
| 508 | tempmask = diff_lt_altivec(q1, q0, beta); |
| 509 | mask = vec_and(mask, tempmask); |
| 510 | |
| 511 | return mask; |
| 512 | } |
| 513 | |
| 514 | // out: newp1 = clip((p2 + ((p0 + q0 + 1) >> 1)) >> 1, p1-tc0, p1+tc0) |
| 515 | static inline vec_u8 h264_deblock_q1(register vec_u8 p0, |
| 516 | register vec_u8 p1, |
| 517 | register vec_u8 p2, |
| 518 | register vec_u8 q0, |
| 519 | register vec_u8 tc0) { |
| 520 | |
| 521 | register vec_u8 average = vec_avg(p0, q0); |
| 522 | register vec_u8 temp; |
| 523 | register vec_u8 uncliped; |
| 524 | register vec_u8 ones; |
| 525 | register vec_u8 max; |
| 526 | register vec_u8 min; |
| 527 | register vec_u8 newp1; |
| 528 | |
| 529 | temp = vec_xor(average, p2); |
| 530 | average = vec_avg(average, p2); /*avg(p2, avg(p0, q0)) */ |
| 531 | ones = vec_splat_u8(1); |
| 532 | temp = vec_and(temp, ones); /*(p2^avg(p0, q0)) & 1 */ |
| 533 | uncliped = vec_subs(average, temp); /*(p2+((p0+q0+1)>>1))>>1 */ |
| 534 | max = vec_adds(p1, tc0); |
| 535 | min = vec_subs(p1, tc0); |
| 536 | newp1 = vec_max(min, uncliped); |
| 537 | newp1 = vec_min(max, newp1); |
| 538 | return newp1; |
| 539 | } |
| 540 | |
| 541 | #define h264_deblock_p0_q0(p0, p1, q0, q1, tc0masked) { \ |
| 542 | \ |
| 543 | const vec_u8 A0v = vec_sl(vec_splat_u8(10), vec_splat_u8(4)); \ |
| 544 | \ |
| 545 | register vec_u8 pq0bit = vec_xor(p0,q0); \ |
| 546 | register vec_u8 q1minus; \ |
| 547 | register vec_u8 p0minus; \ |
| 548 | register vec_u8 stage1; \ |
| 549 | register vec_u8 stage2; \ |
| 550 | register vec_u8 vec160; \ |
| 551 | register vec_u8 delta; \ |
| 552 | register vec_u8 deltaneg; \ |
| 553 | \ |
| 554 | q1minus = vec_nor(q1, q1); /* 255 - q1 */ \ |
| 555 | stage1 = vec_avg(p1, q1minus); /* (p1 - q1 + 256)>>1 */ \ |
| 556 | stage2 = vec_sr(stage1, vec_splat_u8(1)); /* (p1 - q1 + 256)>>2 = 64 + (p1 - q1) >> 2 */ \ |
| 557 | p0minus = vec_nor(p0, p0); /* 255 - p0 */ \ |
| 558 | stage1 = vec_avg(q0, p0minus); /* (q0 - p0 + 256)>>1 */ \ |
| 559 | pq0bit = vec_and(pq0bit, vec_splat_u8(1)); \ |
| 560 | stage2 = vec_avg(stage2, pq0bit); /* 32 + ((q0 - p0)&1 + (p1 - q1) >> 2 + 1) >> 1 */ \ |
| 561 | stage2 = vec_adds(stage2, stage1); /* 160 + ((p0 - q0) + (p1 - q1) >> 2 + 1) >> 1 */ \ |
| 562 | vec160 = vec_ld(0, &A0v); \ |
| 563 | deltaneg = vec_subs(vec160, stage2); /* -d */ \ |
| 564 | delta = vec_subs(stage2, vec160); /* d */ \ |
| 565 | deltaneg = vec_min(tc0masked, deltaneg); \ |
| 566 | delta = vec_min(tc0masked, delta); \ |
| 567 | p0 = vec_subs(p0, deltaneg); \ |
| 568 | q0 = vec_subs(q0, delta); \ |
| 569 | p0 = vec_adds(p0, delta); \ |
| 570 | q0 = vec_adds(q0, deltaneg); \ |
| 571 | } |
| 572 | |
| 573 | #define h264_loop_filter_luma_altivec(p2, p1, p0, q0, q1, q2, alpha, beta, tc0) { \ |
| 574 | DECLARE_ALIGNED(16, unsigned char, temp)[16]; \ |
| 575 | register vec_u8 alphavec; \ |
| 576 | register vec_u8 betavec; \ |
| 577 | register vec_u8 mask; \ |
| 578 | register vec_u8 p1mask; \ |
| 579 | register vec_u8 q1mask; \ |
| 580 | register vector signed char tc0vec; \ |
| 581 | register vec_u8 finaltc0; \ |
| 582 | register vec_u8 tc0masked; \ |
| 583 | register vec_u8 newp1; \ |
| 584 | register vec_u8 newq1; \ |
| 585 | \ |
| 586 | temp[0] = alpha; \ |
| 587 | temp[1] = beta; \ |
| 588 | alphavec = vec_ld(0, temp); \ |
| 589 | betavec = vec_splat(alphavec, 0x1); \ |
| 590 | alphavec = vec_splat(alphavec, 0x0); \ |
| 591 | mask = h264_deblock_mask(p0, p1, q0, q1, alphavec, betavec); /*if in block */ \ |
| 592 | \ |
| 593 | AV_COPY32(temp, tc0); \ |
| 594 | tc0vec = vec_ld(0, (signed char*)temp); \ |
| 595 | tc0vec = vec_mergeh(tc0vec, tc0vec); \ |
| 596 | tc0vec = vec_mergeh(tc0vec, tc0vec); \ |
| 597 | mask = vec_and(mask, vec_cmpgt(tc0vec, vec_splat_s8(-1))); /* if tc0[i] >= 0 */ \ |
| 598 | finaltc0 = vec_and((vec_u8)tc0vec, mask); /* tc = tc0 */ \ |
| 599 | \ |
| 600 | p1mask = diff_lt_altivec(p2, p0, betavec); \ |
| 601 | p1mask = vec_and(p1mask, mask); /* if ( |p2 - p0| < beta) */ \ |
| 602 | tc0masked = vec_and(p1mask, (vec_u8)tc0vec); \ |
| 603 | finaltc0 = vec_sub(finaltc0, p1mask); /* tc++ */ \ |
| 604 | newp1 = h264_deblock_q1(p0, p1, p2, q0, tc0masked); \ |
| 605 | /*end if*/ \ |
| 606 | \ |
| 607 | q1mask = diff_lt_altivec(q2, q0, betavec); \ |
| 608 | q1mask = vec_and(q1mask, mask); /* if ( |q2 - q0| < beta ) */\ |
| 609 | tc0masked = vec_and(q1mask, (vec_u8)tc0vec); \ |
| 610 | finaltc0 = vec_sub(finaltc0, q1mask); /* tc++ */ \ |
| 611 | newq1 = h264_deblock_q1(p0, q1, q2, q0, tc0masked); \ |
| 612 | /*end if*/ \ |
| 613 | \ |
| 614 | h264_deblock_p0_q0(p0, p1, q0, q1, finaltc0); \ |
| 615 | p1 = newp1; \ |
| 616 | q1 = newq1; \ |
| 617 | } |
| 618 | |
| 619 | static void h264_v_loop_filter_luma_altivec(uint8_t *pix, int stride, int alpha, int beta, int8_t *tc0) { |
| 620 | |
| 621 | if ((tc0[0] & tc0[1] & tc0[2] & tc0[3]) >= 0) { |
| 622 | register vec_u8 p2 = vec_ld(-3*stride, pix); |
| 623 | register vec_u8 p1 = vec_ld(-2*stride, pix); |
| 624 | register vec_u8 p0 = vec_ld(-1*stride, pix); |
| 625 | register vec_u8 q0 = vec_ld(0, pix); |
| 626 | register vec_u8 q1 = vec_ld(stride, pix); |
| 627 | register vec_u8 q2 = vec_ld(2*stride, pix); |
| 628 | h264_loop_filter_luma_altivec(p2, p1, p0, q0, q1, q2, alpha, beta, tc0); |
| 629 | vec_st(p1, -2*stride, pix); |
| 630 | vec_st(p0, -1*stride, pix); |
| 631 | vec_st(q0, 0, pix); |
| 632 | vec_st(q1, stride, pix); |
| 633 | } |
| 634 | } |
| 635 | |
| 636 | static void h264_h_loop_filter_luma_altivec(uint8_t *pix, int stride, int alpha, int beta, int8_t *tc0) { |
| 637 | |
| 638 | register vec_u8 line0, line1, line2, line3, line4, line5; |
| 639 | if ((tc0[0] & tc0[1] & tc0[2] & tc0[3]) < 0) |
| 640 | return; |
| 641 | readAndTranspose16x6(pix-3, stride, line0, line1, line2, line3, line4, line5); |
| 642 | h264_loop_filter_luma_altivec(line0, line1, line2, line3, line4, line5, alpha, beta, tc0); |
| 643 | transpose4x16(line1, line2, line3, line4); |
| 644 | write16x4(pix-2, stride, line1, line2, line3, line4); |
| 645 | } |
| 646 | |
| 647 | static av_always_inline |
| 648 | void weight_h264_W_altivec(uint8_t *block, int stride, int height, |
| 649 | int log2_denom, int weight, int offset, int w) |
| 650 | { |
| 651 | int y, aligned; |
| 652 | vec_u8 vblock; |
| 653 | vec_s16 vtemp, vweight, voffset, v0, v1; |
| 654 | vec_u16 vlog2_denom; |
| 655 | DECLARE_ALIGNED(16, int32_t, temp)[4]; |
| 656 | LOAD_ZERO; |
| 657 | |
| 658 | offset <<= log2_denom; |
| 659 | if(log2_denom) offset += 1<<(log2_denom-1); |
| 660 | temp[0] = log2_denom; |
| 661 | temp[1] = weight; |
| 662 | temp[2] = offset; |
| 663 | |
| 664 | vtemp = (vec_s16)vec_ld(0, temp); |
| 665 | #if !HAVE_BIGENDIAN |
| 666 | vtemp =(vec_s16)vec_perm(vtemp, vtemp, vcswapi2s(0,1,2,3)); |
| 667 | #endif |
| 668 | vlog2_denom = (vec_u16)vec_splat(vtemp, 1); |
| 669 | vweight = vec_splat(vtemp, 3); |
| 670 | voffset = vec_splat(vtemp, 5); |
| 671 | aligned = !((unsigned long)block & 0xf); |
| 672 | |
| 673 | for (y = 0; y < height; y++) { |
| 674 | vblock = vec_ld(0, block); |
| 675 | |
| 676 | v0 = (vec_s16)VEC_MERGEH(zero_u8v, vblock); |
| 677 | v1 = (vec_s16)VEC_MERGEL(zero_u8v, vblock); |
| 678 | |
| 679 | if (w == 16 || aligned) { |
| 680 | v0 = vec_mladd(v0, vweight, zero_s16v); |
| 681 | v0 = vec_adds(v0, voffset); |
| 682 | v0 = vec_sra(v0, vlog2_denom); |
| 683 | } |
| 684 | if (w == 16 || !aligned) { |
| 685 | v1 = vec_mladd(v1, vweight, zero_s16v); |
| 686 | v1 = vec_adds(v1, voffset); |
| 687 | v1 = vec_sra(v1, vlog2_denom); |
| 688 | } |
| 689 | vblock = vec_packsu(v0, v1); |
| 690 | vec_st(vblock, 0, block); |
| 691 | |
| 692 | block += stride; |
| 693 | } |
| 694 | } |
| 695 | |
| 696 | static av_always_inline |
| 697 | void biweight_h264_W_altivec(uint8_t *dst, uint8_t *src, int stride, int height, |
| 698 | int log2_denom, int weightd, int weights, int offset, int w) |
| 699 | { |
| 700 | int y, dst_aligned, src_aligned; |
| 701 | vec_u8 vsrc, vdst; |
| 702 | vec_s16 vtemp, vweights, vweightd, voffset, v0, v1, v2, v3; |
| 703 | vec_u16 vlog2_denom; |
| 704 | DECLARE_ALIGNED(16, int32_t, temp)[4]; |
| 705 | LOAD_ZERO; |
| 706 | |
| 707 | offset = ((offset + 1) | 1) << log2_denom; |
| 708 | temp[0] = log2_denom+1; |
| 709 | temp[1] = weights; |
| 710 | temp[2] = weightd; |
| 711 | temp[3] = offset; |
| 712 | |
| 713 | vtemp = (vec_s16)vec_ld(0, temp); |
| 714 | #if !HAVE_BIGENDIAN |
| 715 | vtemp =(vec_s16)vec_perm(vtemp, vtemp, vcswapi2s(0,1,2,3)); |
| 716 | #endif |
| 717 | vlog2_denom = (vec_u16)vec_splat(vtemp, 1); |
| 718 | vweights = vec_splat(vtemp, 3); |
| 719 | vweightd = vec_splat(vtemp, 5); |
| 720 | voffset = vec_splat(vtemp, 7); |
| 721 | dst_aligned = !((unsigned long)dst & 0xf); |
| 722 | src_aligned = !((unsigned long)src & 0xf); |
| 723 | |
| 724 | for (y = 0; y < height; y++) { |
| 725 | vdst = vec_ld(0, dst); |
| 726 | vsrc = vec_ld(0, src); |
| 727 | |
| 728 | v0 = (vec_s16)VEC_MERGEH(zero_u8v, vdst); |
| 729 | v1 = (vec_s16)VEC_MERGEL(zero_u8v, vdst); |
| 730 | v2 = (vec_s16)VEC_MERGEH(zero_u8v, vsrc); |
| 731 | v3 = (vec_s16)VEC_MERGEL(zero_u8v, vsrc); |
| 732 | |
| 733 | if (w == 8) { |
| 734 | if (src_aligned) |
| 735 | v3 = v2; |
| 736 | else |
| 737 | v2 = v3; |
| 738 | } |
| 739 | |
| 740 | if (w == 16 || dst_aligned) { |
| 741 | v0 = vec_mladd(v0, vweightd, zero_s16v); |
| 742 | v2 = vec_mladd(v2, vweights, zero_s16v); |
| 743 | |
| 744 | v0 = vec_adds(v0, voffset); |
| 745 | v0 = vec_adds(v0, v2); |
| 746 | v0 = vec_sra(v0, vlog2_denom); |
| 747 | } |
| 748 | if (w == 16 || !dst_aligned) { |
| 749 | v1 = vec_mladd(v1, vweightd, zero_s16v); |
| 750 | v3 = vec_mladd(v3, vweights, zero_s16v); |
| 751 | |
| 752 | v1 = vec_adds(v1, voffset); |
| 753 | v1 = vec_adds(v1, v3); |
| 754 | v1 = vec_sra(v1, vlog2_denom); |
| 755 | } |
| 756 | vdst = vec_packsu(v0, v1); |
| 757 | vec_st(vdst, 0, dst); |
| 758 | |
| 759 | dst += stride; |
| 760 | src += stride; |
| 761 | } |
| 762 | } |
| 763 | |
| 764 | #define H264_WEIGHT(W) \ |
| 765 | static void weight_h264_pixels ## W ## _altivec(uint8_t *block, int stride, int height, \ |
| 766 | int log2_denom, int weight, int offset) \ |
| 767 | { \ |
| 768 | weight_h264_W_altivec(block, stride, height, log2_denom, weight, offset, W); \ |
| 769 | }\ |
| 770 | static void biweight_h264_pixels ## W ## _altivec(uint8_t *dst, uint8_t *src, int stride, int height, \ |
| 771 | int log2_denom, int weightd, int weights, int offset) \ |
| 772 | { \ |
| 773 | biweight_h264_W_altivec(dst, src, stride, height, log2_denom, weightd, weights, offset, W); \ |
| 774 | } |
| 775 | |
| 776 | H264_WEIGHT(16) |
| 777 | H264_WEIGHT( 8) |
| 778 | #endif /* HAVE_ALTIVEC */ |
| 779 | |
| 780 | av_cold void ff_h264dsp_init_ppc(H264DSPContext *c, const int bit_depth, |
| 781 | const int chroma_format_idc) |
| 782 | { |
| 783 | #if HAVE_ALTIVEC |
| 784 | if (!PPC_ALTIVEC(av_get_cpu_flags())) |
| 785 | return; |
| 786 | |
| 787 | if (bit_depth == 8) { |
| 788 | c->h264_idct_add = h264_idct_add_altivec; |
| 789 | if (chroma_format_idc <= 1) |
| 790 | c->h264_idct_add8 = h264_idct_add8_altivec; |
| 791 | c->h264_idct_add16 = h264_idct_add16_altivec; |
| 792 | c->h264_idct_add16intra = h264_idct_add16intra_altivec; |
| 793 | c->h264_idct_dc_add= h264_idct_dc_add_altivec; |
| 794 | c->h264_idct8_dc_add = h264_idct8_dc_add_altivec; |
| 795 | c->h264_idct8_add = h264_idct8_add_altivec; |
| 796 | c->h264_idct8_add4 = h264_idct8_add4_altivec; |
| 797 | c->h264_v_loop_filter_luma= h264_v_loop_filter_luma_altivec; |
| 798 | c->h264_h_loop_filter_luma= h264_h_loop_filter_luma_altivec; |
| 799 | |
| 800 | c->weight_h264_pixels_tab[0] = weight_h264_pixels16_altivec; |
| 801 | c->weight_h264_pixels_tab[1] = weight_h264_pixels8_altivec; |
| 802 | c->biweight_h264_pixels_tab[0] = biweight_h264_pixels16_altivec; |
| 803 | c->biweight_h264_pixels_tab[1] = biweight_h264_pixels8_altivec; |
| 804 | } |
| 805 | #endif /* HAVE_ALTIVEC */ |
| 806 | } |