Libav
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00001 /* 00002 * Copyright (c) 2004 Romain Dolbeau <romain@dolbeau.org> 00003 * 00004 * This file is part of FFmpeg. 00005 * 00006 * FFmpeg is free software; you can redistribute it and/or 00007 * modify it under the terms of the GNU Lesser General Public 00008 * License as published by the Free Software Foundation; either 00009 * version 2.1 of the License, or (at your option) any later version. 00010 * 00011 * FFmpeg is distributed in the hope that it will be useful, 00012 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00013 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00014 * Lesser General Public License for more details. 00015 * 00016 * You should have received a copy of the GNU Lesser General Public 00017 * License along with FFmpeg; if not, write to the Free Software 00018 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 00019 */ 00020 00021 #include "libavcodec/dsputil.h" 00022 #include "libavcodec/h264data.h" 00023 #include "libavcodec/h264dsp.h" 00024 00025 #include "dsputil_ppc.h" 00026 #include "dsputil_altivec.h" 00027 #include "util_altivec.h" 00028 #include "types_altivec.h" 00029 00030 #define PUT_OP_U8_ALTIVEC(d, s, dst) d = s 00031 #define AVG_OP_U8_ALTIVEC(d, s, dst) d = vec_avg(dst, s) 00032 00033 #define OP_U8_ALTIVEC PUT_OP_U8_ALTIVEC 00034 #define PREFIX_h264_chroma_mc8_altivec put_h264_chroma_mc8_altivec 00035 #define PREFIX_no_rnd_vc1_chroma_mc8_altivec put_no_rnd_vc1_chroma_mc8_altivec 00036 #define PREFIX_h264_chroma_mc8_num altivec_put_h264_chroma_mc8_num 00037 #define PREFIX_h264_qpel16_h_lowpass_altivec put_h264_qpel16_h_lowpass_altivec 00038 #define PREFIX_h264_qpel16_h_lowpass_num altivec_put_h264_qpel16_h_lowpass_num 00039 #define PREFIX_h264_qpel16_v_lowpass_altivec put_h264_qpel16_v_lowpass_altivec 00040 #define PREFIX_h264_qpel16_v_lowpass_num altivec_put_h264_qpel16_v_lowpass_num 00041 #define PREFIX_h264_qpel16_hv_lowpass_altivec put_h264_qpel16_hv_lowpass_altivec 00042 #define PREFIX_h264_qpel16_hv_lowpass_num altivec_put_h264_qpel16_hv_lowpass_num 00043 #include "h264_template_altivec.c" 00044 #undef OP_U8_ALTIVEC 00045 #undef PREFIX_h264_chroma_mc8_altivec 00046 #undef PREFIX_no_rnd_vc1_chroma_mc8_altivec 00047 #undef PREFIX_h264_chroma_mc8_num 00048 #undef PREFIX_h264_qpel16_h_lowpass_altivec 00049 #undef PREFIX_h264_qpel16_h_lowpass_num 00050 #undef PREFIX_h264_qpel16_v_lowpass_altivec 00051 #undef PREFIX_h264_qpel16_v_lowpass_num 00052 #undef PREFIX_h264_qpel16_hv_lowpass_altivec 00053 #undef PREFIX_h264_qpel16_hv_lowpass_num 00054 00055 #define OP_U8_ALTIVEC AVG_OP_U8_ALTIVEC 00056 #define PREFIX_h264_chroma_mc8_altivec avg_h264_chroma_mc8_altivec 00057 #define PREFIX_no_rnd_vc1_chroma_mc8_altivec avg_no_rnd_vc1_chroma_mc8_altivec 00058 #define PREFIX_h264_chroma_mc8_num altivec_avg_h264_chroma_mc8_num 00059 #define PREFIX_h264_qpel16_h_lowpass_altivec avg_h264_qpel16_h_lowpass_altivec 00060 #define PREFIX_h264_qpel16_h_lowpass_num altivec_avg_h264_qpel16_h_lowpass_num 00061 #define PREFIX_h264_qpel16_v_lowpass_altivec avg_h264_qpel16_v_lowpass_altivec 00062 #define PREFIX_h264_qpel16_v_lowpass_num altivec_avg_h264_qpel16_v_lowpass_num 00063 #define PREFIX_h264_qpel16_hv_lowpass_altivec avg_h264_qpel16_hv_lowpass_altivec 00064 #define PREFIX_h264_qpel16_hv_lowpass_num altivec_avg_h264_qpel16_hv_lowpass_num 00065 #include "h264_template_altivec.c" 00066 #undef OP_U8_ALTIVEC 00067 #undef PREFIX_h264_chroma_mc8_altivec 00068 #undef PREFIX_no_rnd_vc1_chroma_mc8_altivec 00069 #undef PREFIX_h264_chroma_mc8_num 00070 #undef PREFIX_h264_qpel16_h_lowpass_altivec 00071 #undef PREFIX_h264_qpel16_h_lowpass_num 00072 #undef PREFIX_h264_qpel16_v_lowpass_altivec 00073 #undef PREFIX_h264_qpel16_v_lowpass_num 00074 #undef PREFIX_h264_qpel16_hv_lowpass_altivec 00075 #undef PREFIX_h264_qpel16_hv_lowpass_num 00076 00077 #define H264_MC(OPNAME, SIZE, CODETYPE) \ 00078 static void OPNAME ## h264_qpel ## SIZE ## _mc00_ ## CODETYPE (uint8_t *dst, uint8_t *src, int stride){\ 00079 OPNAME ## pixels ## SIZE ## _ ## CODETYPE(dst, src, stride, SIZE);\ 00080 }\ 00081 \ 00082 static void OPNAME ## h264_qpel ## SIZE ## _mc10_ ## CODETYPE(uint8_t *dst, uint8_t *src, int stride){ \ 00083 DECLARE_ALIGNED(16, uint8_t, half)[SIZE*SIZE];\ 00084 put_h264_qpel ## SIZE ## _h_lowpass_ ## CODETYPE(half, src, SIZE, stride);\ 00085 OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, src, half, stride, stride, SIZE);\ 00086 }\ 00087 \ 00088 static void OPNAME ## h264_qpel ## SIZE ## _mc20_ ## CODETYPE(uint8_t *dst, uint8_t *src, int stride){\ 00089 OPNAME ## h264_qpel ## SIZE ## _h_lowpass_ ## CODETYPE(dst, src, stride, stride);\ 00090 }\ 00091 \ 00092 static void OPNAME ## h264_qpel ## SIZE ## _mc30_ ## CODETYPE(uint8_t *dst, uint8_t *src, int stride){\ 00093 DECLARE_ALIGNED(16, uint8_t, half)[SIZE*SIZE];\ 00094 put_h264_qpel ## SIZE ## _h_lowpass_ ## CODETYPE(half, src, SIZE, stride);\ 00095 OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, src+1, half, stride, stride, SIZE);\ 00096 }\ 00097 \ 00098 static void OPNAME ## h264_qpel ## SIZE ## _mc01_ ## CODETYPE(uint8_t *dst, uint8_t *src, int stride){\ 00099 DECLARE_ALIGNED(16, uint8_t, half)[SIZE*SIZE];\ 00100 put_h264_qpel ## SIZE ## _v_lowpass_ ## CODETYPE(half, src, SIZE, stride);\ 00101 OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, src, half, stride, stride, SIZE);\ 00102 }\ 00103 \ 00104 static void OPNAME ## h264_qpel ## SIZE ## _mc02_ ## CODETYPE(uint8_t *dst, uint8_t *src, int stride){\ 00105 OPNAME ## h264_qpel ## SIZE ## _v_lowpass_ ## CODETYPE(dst, src, stride, stride);\ 00106 }\ 00107 \ 00108 static void OPNAME ## h264_qpel ## SIZE ## _mc03_ ## CODETYPE(uint8_t *dst, uint8_t *src, int stride){\ 00109 DECLARE_ALIGNED(16, uint8_t, half)[SIZE*SIZE];\ 00110 put_h264_qpel ## SIZE ## _v_lowpass_ ## CODETYPE(half, src, SIZE, stride);\ 00111 OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, src+stride, half, stride, stride, SIZE);\ 00112 }\ 00113 \ 00114 static void OPNAME ## h264_qpel ## SIZE ## _mc11_ ## CODETYPE(uint8_t *dst, uint8_t *src, int stride){\ 00115 DECLARE_ALIGNED(16, uint8_t, halfH)[SIZE*SIZE];\ 00116 DECLARE_ALIGNED(16, uint8_t, halfV)[SIZE*SIZE];\ 00117 put_h264_qpel ## SIZE ## _h_lowpass_ ## CODETYPE(halfH, src, SIZE, stride);\ 00118 put_h264_qpel ## SIZE ## _v_lowpass_ ## CODETYPE(halfV, src, SIZE, stride);\ 00119 OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, halfH, halfV, stride, SIZE, SIZE);\ 00120 }\ 00121 \ 00122 static void OPNAME ## h264_qpel ## SIZE ## _mc31_ ## CODETYPE(uint8_t *dst, uint8_t *src, int stride){\ 00123 DECLARE_ALIGNED(16, uint8_t, halfH)[SIZE*SIZE];\ 00124 DECLARE_ALIGNED(16, uint8_t, halfV)[SIZE*SIZE];\ 00125 put_h264_qpel ## SIZE ## _h_lowpass_ ## CODETYPE(halfH, src, SIZE, stride);\ 00126 put_h264_qpel ## SIZE ## _v_lowpass_ ## CODETYPE(halfV, src+1, SIZE, stride);\ 00127 OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, halfH, halfV, stride, SIZE, SIZE);\ 00128 }\ 00129 \ 00130 static void OPNAME ## h264_qpel ## SIZE ## _mc13_ ## CODETYPE(uint8_t *dst, uint8_t *src, int stride){\ 00131 DECLARE_ALIGNED(16, uint8_t, halfH)[SIZE*SIZE];\ 00132 DECLARE_ALIGNED(16, uint8_t, halfV)[SIZE*SIZE];\ 00133 put_h264_qpel ## SIZE ## _h_lowpass_ ## CODETYPE(halfH, src + stride, SIZE, stride);\ 00134 put_h264_qpel ## SIZE ## _v_lowpass_ ## CODETYPE(halfV, src, SIZE, stride);\ 00135 OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, halfH, halfV, stride, SIZE, SIZE);\ 00136 }\ 00137 \ 00138 static void OPNAME ## h264_qpel ## SIZE ## _mc33_ ## CODETYPE(uint8_t *dst, uint8_t *src, int stride){\ 00139 DECLARE_ALIGNED(16, uint8_t, halfH)[SIZE*SIZE];\ 00140 DECLARE_ALIGNED(16, uint8_t, halfV)[SIZE*SIZE];\ 00141 put_h264_qpel ## SIZE ## _h_lowpass_ ## CODETYPE(halfH, src + stride, SIZE, stride);\ 00142 put_h264_qpel ## SIZE ## _v_lowpass_ ## CODETYPE(halfV, src+1, SIZE, stride);\ 00143 OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, halfH, halfV, stride, SIZE, SIZE);\ 00144 }\ 00145 \ 00146 static void OPNAME ## h264_qpel ## SIZE ## _mc22_ ## CODETYPE(uint8_t *dst, uint8_t *src, int stride){\ 00147 DECLARE_ALIGNED(16, int16_t, tmp)[SIZE*(SIZE+8)];\ 00148 OPNAME ## h264_qpel ## SIZE ## _hv_lowpass_ ## CODETYPE(dst, tmp, src, stride, SIZE, stride);\ 00149 }\ 00150 \ 00151 static void OPNAME ## h264_qpel ## SIZE ## _mc21_ ## CODETYPE(uint8_t *dst, uint8_t *src, int stride){\ 00152 DECLARE_ALIGNED(16, uint8_t, halfH)[SIZE*SIZE];\ 00153 DECLARE_ALIGNED(16, uint8_t, halfHV)[SIZE*SIZE];\ 00154 DECLARE_ALIGNED(16, int16_t, tmp)[SIZE*(SIZE+8)];\ 00155 put_h264_qpel ## SIZE ## _h_lowpass_ ## CODETYPE(halfH, src, SIZE, stride);\ 00156 put_h264_qpel ## SIZE ## _hv_lowpass_ ## CODETYPE(halfHV, tmp, src, SIZE, SIZE, stride);\ 00157 OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, halfH, halfHV, stride, SIZE, SIZE);\ 00158 }\ 00159 \ 00160 static void OPNAME ## h264_qpel ## SIZE ## _mc23_ ## CODETYPE(uint8_t *dst, uint8_t *src, int stride){\ 00161 DECLARE_ALIGNED(16, uint8_t, halfH)[SIZE*SIZE];\ 00162 DECLARE_ALIGNED(16, uint8_t, halfHV)[SIZE*SIZE];\ 00163 DECLARE_ALIGNED(16, int16_t, tmp)[SIZE*(SIZE+8)];\ 00164 put_h264_qpel ## SIZE ## _h_lowpass_ ## CODETYPE(halfH, src + stride, SIZE, stride);\ 00165 put_h264_qpel ## SIZE ## _hv_lowpass_ ## CODETYPE(halfHV, tmp, src, SIZE, SIZE, stride);\ 00166 OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, halfH, halfHV, stride, SIZE, SIZE);\ 00167 }\ 00168 \ 00169 static void OPNAME ## h264_qpel ## SIZE ## _mc12_ ## CODETYPE(uint8_t *dst, uint8_t *src, int stride){\ 00170 DECLARE_ALIGNED(16, uint8_t, halfV)[SIZE*SIZE];\ 00171 DECLARE_ALIGNED(16, uint8_t, halfHV)[SIZE*SIZE];\ 00172 DECLARE_ALIGNED(16, int16_t, tmp)[SIZE*(SIZE+8)];\ 00173 put_h264_qpel ## SIZE ## _v_lowpass_ ## CODETYPE(halfV, src, SIZE, stride);\ 00174 put_h264_qpel ## SIZE ## _hv_lowpass_ ## CODETYPE(halfHV, tmp, src, SIZE, SIZE, stride);\ 00175 OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, halfV, halfHV, stride, SIZE, SIZE);\ 00176 }\ 00177 \ 00178 static void OPNAME ## h264_qpel ## SIZE ## _mc32_ ## CODETYPE(uint8_t *dst, uint8_t *src, int stride){\ 00179 DECLARE_ALIGNED(16, uint8_t, halfV)[SIZE*SIZE];\ 00180 DECLARE_ALIGNED(16, uint8_t, halfHV)[SIZE*SIZE];\ 00181 DECLARE_ALIGNED(16, int16_t, tmp)[SIZE*(SIZE+8)];\ 00182 put_h264_qpel ## SIZE ## _v_lowpass_ ## CODETYPE(halfV, src+1, SIZE, stride);\ 00183 put_h264_qpel ## SIZE ## _hv_lowpass_ ## CODETYPE(halfHV, tmp, src, SIZE, SIZE, stride);\ 00184 OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, halfV, halfHV, stride, SIZE, SIZE);\ 00185 }\ 00186 00187 static inline void put_pixels16_l2_altivec( uint8_t * dst, const uint8_t * src1, 00188 const uint8_t * src2, int dst_stride, 00189 int src_stride1, int h) 00190 { 00191 int i; 00192 vec_u8 a, b, d, tmp1, tmp2, mask, mask_, edges, align; 00193 00194 mask_ = vec_lvsl(0, src2); 00195 00196 for (i = 0; i < h; i++) { 00197 00198 tmp1 = vec_ld(i * src_stride1, src1); 00199 mask = vec_lvsl(i * src_stride1, src1); 00200 tmp2 = vec_ld(i * src_stride1 + 15, src1); 00201 00202 a = vec_perm(tmp1, tmp2, mask); 00203 00204 tmp1 = vec_ld(i * 16, src2); 00205 tmp2 = vec_ld(i * 16 + 15, src2); 00206 00207 b = vec_perm(tmp1, tmp2, mask_); 00208 00209 tmp1 = vec_ld(0, dst); 00210 mask = vec_lvsl(0, dst); 00211 tmp2 = vec_ld(15, dst); 00212 00213 d = vec_avg(a, b); 00214 00215 edges = vec_perm(tmp2, tmp1, mask); 00216 00217 align = vec_lvsr(0, dst); 00218 00219 tmp2 = vec_perm(d, edges, align); 00220 tmp1 = vec_perm(edges, d, align); 00221 00222 vec_st(tmp2, 15, dst); 00223 vec_st(tmp1, 0 , dst); 00224 00225 dst += dst_stride; 00226 } 00227 } 00228 00229 static inline void avg_pixels16_l2_altivec( uint8_t * dst, const uint8_t * src1, 00230 const uint8_t * src2, int dst_stride, 00231 int src_stride1, int h) 00232 { 00233 int i; 00234 vec_u8 a, b, d, tmp1, tmp2, mask, mask_, edges, align; 00235 00236 mask_ = vec_lvsl(0, src2); 00237 00238 for (i = 0; i < h; i++) { 00239 00240 tmp1 = vec_ld(i * src_stride1, src1); 00241 mask = vec_lvsl(i * src_stride1, src1); 00242 tmp2 = vec_ld(i * src_stride1 + 15, src1); 00243 00244 a = vec_perm(tmp1, tmp2, mask); 00245 00246 tmp1 = vec_ld(i * 16, src2); 00247 tmp2 = vec_ld(i * 16 + 15, src2); 00248 00249 b = vec_perm(tmp1, tmp2, mask_); 00250 00251 tmp1 = vec_ld(0, dst); 00252 mask = vec_lvsl(0, dst); 00253 tmp2 = vec_ld(15, dst); 00254 00255 d = vec_avg(vec_perm(tmp1, tmp2, mask), vec_avg(a, b)); 00256 00257 edges = vec_perm(tmp2, tmp1, mask); 00258 00259 align = vec_lvsr(0, dst); 00260 00261 tmp2 = vec_perm(d, edges, align); 00262 tmp1 = vec_perm(edges, d, align); 00263 00264 vec_st(tmp2, 15, dst); 00265 vec_st(tmp1, 0 , dst); 00266 00267 dst += dst_stride; 00268 } 00269 } 00270 00271 /* Implemented but could be faster 00272 #define put_pixels16_l2_altivec(d,s1,s2,ds,s1s,h) put_pixels16_l2(d,s1,s2,ds,s1s,16,h) 00273 #define avg_pixels16_l2_altivec(d,s1,s2,ds,s1s,h) avg_pixels16_l2(d,s1,s2,ds,s1s,16,h) 00274 */ 00275 00276 H264_MC(put_, 16, altivec) 00277 H264_MC(avg_, 16, altivec) 00278 00279 00280 /**************************************************************************** 00281 * IDCT transform: 00282 ****************************************************************************/ 00283 00284 #define VEC_1D_DCT(vb0,vb1,vb2,vb3,va0,va1,va2,va3) \ 00285 /* 1st stage */ \ 00286 vz0 = vec_add(vb0,vb2); /* temp[0] = Y[0] + Y[2] */ \ 00287 vz1 = vec_sub(vb0,vb2); /* temp[1] = Y[0] - Y[2] */ \ 00288 vz2 = vec_sra(vb1,vec_splat_u16(1)); \ 00289 vz2 = vec_sub(vz2,vb3); /* temp[2] = Y[1].1/2 - Y[3] */ \ 00290 vz3 = vec_sra(vb3,vec_splat_u16(1)); \ 00291 vz3 = vec_add(vb1,vz3); /* temp[3] = Y[1] + Y[3].1/2 */ \ 00292 /* 2nd stage: output */ \ 00293 va0 = vec_add(vz0,vz3); /* x[0] = temp[0] + temp[3] */ \ 00294 va1 = vec_add(vz1,vz2); /* x[1] = temp[1] + temp[2] */ \ 00295 va2 = vec_sub(vz1,vz2); /* x[2] = temp[1] - temp[2] */ \ 00296 va3 = vec_sub(vz0,vz3) /* x[3] = temp[0] - temp[3] */ 00297 00298 #define VEC_TRANSPOSE_4(a0,a1,a2,a3,b0,b1,b2,b3) \ 00299 b0 = vec_mergeh( a0, a0 ); \ 00300 b1 = vec_mergeh( a1, a0 ); \ 00301 b2 = vec_mergeh( a2, a0 ); \ 00302 b3 = vec_mergeh( a3, a0 ); \ 00303 a0 = vec_mergeh( b0, b2 ); \ 00304 a1 = vec_mergel( b0, b2 ); \ 00305 a2 = vec_mergeh( b1, b3 ); \ 00306 a3 = vec_mergel( b1, b3 ); \ 00307 b0 = vec_mergeh( a0, a2 ); \ 00308 b1 = vec_mergel( a0, a2 ); \ 00309 b2 = vec_mergeh( a1, a3 ); \ 00310 b3 = vec_mergel( a1, a3 ) 00311 00312 #define VEC_LOAD_U8_ADD_S16_STORE_U8(va) \ 00313 vdst_orig = vec_ld(0, dst); \ 00314 vdst = vec_perm(vdst_orig, zero_u8v, vdst_mask); \ 00315 vdst_ss = (vec_s16) vec_mergeh(zero_u8v, vdst); \ 00316 va = vec_add(va, vdst_ss); \ 00317 va_u8 = vec_packsu(va, zero_s16v); \ 00318 va_u32 = vec_splat((vec_u32)va_u8, 0); \ 00319 vec_ste(va_u32, element, (uint32_t*)dst); 00320 00321 static void ff_h264_idct_add_altivec(uint8_t *dst, DCTELEM *block, int stride) 00322 { 00323 vec_s16 va0, va1, va2, va3; 00324 vec_s16 vz0, vz1, vz2, vz3; 00325 vec_s16 vtmp0, vtmp1, vtmp2, vtmp3; 00326 vec_u8 va_u8; 00327 vec_u32 va_u32; 00328 vec_s16 vdst_ss; 00329 const vec_u16 v6us = vec_splat_u16(6); 00330 vec_u8 vdst, vdst_orig; 00331 vec_u8 vdst_mask = vec_lvsl(0, dst); 00332 int element = ((unsigned long)dst & 0xf) >> 2; 00333 LOAD_ZERO; 00334 00335 block[0] += 32; /* add 32 as a DC-level for rounding */ 00336 00337 vtmp0 = vec_ld(0,block); 00338 vtmp1 = vec_sld(vtmp0, vtmp0, 8); 00339 vtmp2 = vec_ld(16,block); 00340 vtmp3 = vec_sld(vtmp2, vtmp2, 8); 00341 00342 VEC_1D_DCT(vtmp0,vtmp1,vtmp2,vtmp3,va0,va1,va2,va3); 00343 VEC_TRANSPOSE_4(va0,va1,va2,va3,vtmp0,vtmp1,vtmp2,vtmp3); 00344 VEC_1D_DCT(vtmp0,vtmp1,vtmp2,vtmp3,va0,va1,va2,va3); 00345 00346 va0 = vec_sra(va0,v6us); 00347 va1 = vec_sra(va1,v6us); 00348 va2 = vec_sra(va2,v6us); 00349 va3 = vec_sra(va3,v6us); 00350 00351 VEC_LOAD_U8_ADD_S16_STORE_U8(va0); 00352 dst += stride; 00353 VEC_LOAD_U8_ADD_S16_STORE_U8(va1); 00354 dst += stride; 00355 VEC_LOAD_U8_ADD_S16_STORE_U8(va2); 00356 dst += stride; 00357 VEC_LOAD_U8_ADD_S16_STORE_U8(va3); 00358 } 00359 00360 #define IDCT8_1D_ALTIVEC(s0, s1, s2, s3, s4, s5, s6, s7, d0, d1, d2, d3, d4, d5, d6, d7) {\ 00361 /* a0 = SRC(0) + SRC(4); */ \ 00362 vec_s16 a0v = vec_add(s0, s4); \ 00363 /* a2 = SRC(0) - SRC(4); */ \ 00364 vec_s16 a2v = vec_sub(s0, s4); \ 00365 /* a4 = (SRC(2)>>1) - SRC(6); */ \ 00366 vec_s16 a4v = vec_sub(vec_sra(s2, onev), s6); \ 00367 /* a6 = (SRC(6)>>1) + SRC(2); */ \ 00368 vec_s16 a6v = vec_add(vec_sra(s6, onev), s2); \ 00369 /* b0 = a0 + a6; */ \ 00370 vec_s16 b0v = vec_add(a0v, a6v); \ 00371 /* b2 = a2 + a4; */ \ 00372 vec_s16 b2v = vec_add(a2v, a4v); \ 00373 /* b4 = a2 - a4; */ \ 00374 vec_s16 b4v = vec_sub(a2v, a4v); \ 00375 /* b6 = a0 - a6; */ \ 00376 vec_s16 b6v = vec_sub(a0v, a6v); \ 00377 /* a1 = SRC(5) - SRC(3) - SRC(7) - (SRC(7)>>1); */ \ 00378 /* a1 = (SRC(5)-SRC(3)) - (SRC(7) + (SRC(7)>>1)); */ \ 00379 vec_s16 a1v = vec_sub( vec_sub(s5, s3), vec_add(s7, vec_sra(s7, onev)) ); \ 00380 /* a3 = SRC(7) + SRC(1) - SRC(3) - (SRC(3)>>1); */ \ 00381 /* a3 = (SRC(7)+SRC(1)) - (SRC(3) + (SRC(3)>>1)); */ \ 00382 vec_s16 a3v = vec_sub( vec_add(s7, s1), vec_add(s3, vec_sra(s3, onev)) );\ 00383 /* a5 = SRC(7) - SRC(1) + SRC(5) + (SRC(5)>>1); */ \ 00384 /* a5 = (SRC(7)-SRC(1)) + SRC(5) + (SRC(5)>>1); */ \ 00385 vec_s16 a5v = vec_add( vec_sub(s7, s1), vec_add(s5, vec_sra(s5, onev)) );\ 00386 /* a7 = SRC(5)+SRC(3) + SRC(1) + (SRC(1)>>1); */ \ 00387 vec_s16 a7v = vec_add( vec_add(s5, s3), vec_add(s1, vec_sra(s1, onev)) );\ 00388 /* b1 = (a7>>2) + a1; */ \ 00389 vec_s16 b1v = vec_add( vec_sra(a7v, twov), a1v); \ 00390 /* b3 = a3 + (a5>>2); */ \ 00391 vec_s16 b3v = vec_add(a3v, vec_sra(a5v, twov)); \ 00392 /* b5 = (a3>>2) - a5; */ \ 00393 vec_s16 b5v = vec_sub( vec_sra(a3v, twov), a5v); \ 00394 /* b7 = a7 - (a1>>2); */ \ 00395 vec_s16 b7v = vec_sub( a7v, vec_sra(a1v, twov)); \ 00396 /* DST(0, b0 + b7); */ \ 00397 d0 = vec_add(b0v, b7v); \ 00398 /* DST(1, b2 + b5); */ \ 00399 d1 = vec_add(b2v, b5v); \ 00400 /* DST(2, b4 + b3); */ \ 00401 d2 = vec_add(b4v, b3v); \ 00402 /* DST(3, b6 + b1); */ \ 00403 d3 = vec_add(b6v, b1v); \ 00404 /* DST(4, b6 - b1); */ \ 00405 d4 = vec_sub(b6v, b1v); \ 00406 /* DST(5, b4 - b3); */ \ 00407 d5 = vec_sub(b4v, b3v); \ 00408 /* DST(6, b2 - b5); */ \ 00409 d6 = vec_sub(b2v, b5v); \ 00410 /* DST(7, b0 - b7); */ \ 00411 d7 = vec_sub(b0v, b7v); \ 00412 } 00413 00414 #define ALTIVEC_STORE_SUM_CLIP(dest, idctv, perm_ldv, perm_stv, sel) { \ 00415 /* unaligned load */ \ 00416 vec_u8 hv = vec_ld( 0, dest ); \ 00417 vec_u8 lv = vec_ld( 7, dest ); \ 00418 vec_u8 dstv = vec_perm( hv, lv, (vec_u8)perm_ldv ); \ 00419 vec_s16 idct_sh6 = vec_sra(idctv, sixv); \ 00420 vec_u16 dst16 = (vec_u16)vec_mergeh(zero_u8v, dstv); \ 00421 vec_s16 idstsum = vec_adds(idct_sh6, (vec_s16)dst16); \ 00422 vec_u8 idstsum8 = vec_packsu(zero_s16v, idstsum); \ 00423 vec_u8 edgehv; \ 00424 /* unaligned store */ \ 00425 vec_u8 bodyv = vec_perm( idstsum8, idstsum8, perm_stv );\ 00426 vec_u8 edgelv = vec_perm( sel, zero_u8v, perm_stv ); \ 00427 lv = vec_sel( lv, bodyv, edgelv ); \ 00428 vec_st( lv, 7, dest ); \ 00429 hv = vec_ld( 0, dest ); \ 00430 edgehv = vec_perm( zero_u8v, sel, perm_stv ); \ 00431 hv = vec_sel( hv, bodyv, edgehv ); \ 00432 vec_st( hv, 0, dest ); \ 00433 } 00434 00435 static void ff_h264_idct8_add_altivec( uint8_t *dst, DCTELEM *dct, int stride ) { 00436 vec_s16 s0, s1, s2, s3, s4, s5, s6, s7; 00437 vec_s16 d0, d1, d2, d3, d4, d5, d6, d7; 00438 vec_s16 idct0, idct1, idct2, idct3, idct4, idct5, idct6, idct7; 00439 00440 vec_u8 perm_ldv = vec_lvsl(0, dst); 00441 vec_u8 perm_stv = vec_lvsr(8, dst); 00442 00443 const vec_u16 onev = vec_splat_u16(1); 00444 const vec_u16 twov = vec_splat_u16(2); 00445 const vec_u16 sixv = vec_splat_u16(6); 00446 00447 const vec_u8 sel = (vec_u8) {0,0,0,0,0,0,0,0,-1,-1,-1,-1,-1,-1,-1,-1}; 00448 LOAD_ZERO; 00449 00450 dct[0] += 32; // rounding for the >>6 at the end 00451 00452 s0 = vec_ld(0x00, (int16_t*)dct); 00453 s1 = vec_ld(0x10, (int16_t*)dct); 00454 s2 = vec_ld(0x20, (int16_t*)dct); 00455 s3 = vec_ld(0x30, (int16_t*)dct); 00456 s4 = vec_ld(0x40, (int16_t*)dct); 00457 s5 = vec_ld(0x50, (int16_t*)dct); 00458 s6 = vec_ld(0x60, (int16_t*)dct); 00459 s7 = vec_ld(0x70, (int16_t*)dct); 00460 00461 IDCT8_1D_ALTIVEC(s0, s1, s2, s3, s4, s5, s6, s7, 00462 d0, d1, d2, d3, d4, d5, d6, d7); 00463 00464 TRANSPOSE8( d0, d1, d2, d3, d4, d5, d6, d7 ); 00465 00466 IDCT8_1D_ALTIVEC(d0, d1, d2, d3, d4, d5, d6, d7, 00467 idct0, idct1, idct2, idct3, idct4, idct5, idct6, idct7); 00468 00469 ALTIVEC_STORE_SUM_CLIP(&dst[0*stride], idct0, perm_ldv, perm_stv, sel); 00470 ALTIVEC_STORE_SUM_CLIP(&dst[1*stride], idct1, perm_ldv, perm_stv, sel); 00471 ALTIVEC_STORE_SUM_CLIP(&dst[2*stride], idct2, perm_ldv, perm_stv, sel); 00472 ALTIVEC_STORE_SUM_CLIP(&dst[3*stride], idct3, perm_ldv, perm_stv, sel); 00473 ALTIVEC_STORE_SUM_CLIP(&dst[4*stride], idct4, perm_ldv, perm_stv, sel); 00474 ALTIVEC_STORE_SUM_CLIP(&dst[5*stride], idct5, perm_ldv, perm_stv, sel); 00475 ALTIVEC_STORE_SUM_CLIP(&dst[6*stride], idct6, perm_ldv, perm_stv, sel); 00476 ALTIVEC_STORE_SUM_CLIP(&dst[7*stride], idct7, perm_ldv, perm_stv, sel); 00477 } 00478 00479 static av_always_inline void h264_idct_dc_add_internal(uint8_t *dst, DCTELEM *block, int stride, int size) 00480 { 00481 vec_s16 dc16; 00482 vec_u8 dcplus, dcminus, v0, v1, v2, v3, aligner; 00483 LOAD_ZERO; 00484 DECLARE_ALIGNED(16, int, dc); 00485 int i; 00486 00487 dc = (block[0] + 32) >> 6; 00488 dc16 = vec_splat((vec_s16) vec_lde(0, &dc), 1); 00489 00490 if (size == 4) 00491 dc16 = vec_sld(dc16, zero_s16v, 8); 00492 dcplus = vec_packsu(dc16, zero_s16v); 00493 dcminus = vec_packsu(vec_sub(zero_s16v, dc16), zero_s16v); 00494 00495 aligner = vec_lvsr(0, dst); 00496 dcplus = vec_perm(dcplus, dcplus, aligner); 00497 dcminus = vec_perm(dcminus, dcminus, aligner); 00498 00499 for (i = 0; i < size; i += 4) { 00500 v0 = vec_ld(0, dst+0*stride); 00501 v1 = vec_ld(0, dst+1*stride); 00502 v2 = vec_ld(0, dst+2*stride); 00503 v3 = vec_ld(0, dst+3*stride); 00504 00505 v0 = vec_adds(v0, dcplus); 00506 v1 = vec_adds(v1, dcplus); 00507 v2 = vec_adds(v2, dcplus); 00508 v3 = vec_adds(v3, dcplus); 00509 00510 v0 = vec_subs(v0, dcminus); 00511 v1 = vec_subs(v1, dcminus); 00512 v2 = vec_subs(v2, dcminus); 00513 v3 = vec_subs(v3, dcminus); 00514 00515 vec_st(v0, 0, dst+0*stride); 00516 vec_st(v1, 0, dst+1*stride); 00517 vec_st(v2, 0, dst+2*stride); 00518 vec_st(v3, 0, dst+3*stride); 00519 00520 dst += 4*stride; 00521 } 00522 } 00523 00524 static void h264_idct_dc_add_altivec(uint8_t *dst, DCTELEM *block, int stride) 00525 { 00526 h264_idct_dc_add_internal(dst, block, stride, 4); 00527 } 00528 00529 static void ff_h264_idct8_dc_add_altivec(uint8_t *dst, DCTELEM *block, int stride) 00530 { 00531 h264_idct_dc_add_internal(dst, block, stride, 8); 00532 } 00533 00534 static void ff_h264_idct_add16_altivec(uint8_t *dst, const int *block_offset, DCTELEM *block, int stride, const uint8_t nnzc[6*8]){ 00535 int i; 00536 for(i=0; i<16; i++){ 00537 int nnz = nnzc[ scan8[i] ]; 00538 if(nnz){ 00539 if(nnz==1 && block[i*16]) h264_idct_dc_add_altivec(dst + block_offset[i], block + i*16, stride); 00540 else ff_h264_idct_add_altivec(dst + block_offset[i], block + i*16, stride); 00541 } 00542 } 00543 } 00544 00545 static void ff_h264_idct_add16intra_altivec(uint8_t *dst, const int *block_offset, DCTELEM *block, int stride, const uint8_t nnzc[6*8]){ 00546 int i; 00547 for(i=0; i<16; i++){ 00548 if(nnzc[ scan8[i] ]) ff_h264_idct_add_altivec(dst + block_offset[i], block + i*16, stride); 00549 else if(block[i*16]) h264_idct_dc_add_altivec(dst + block_offset[i], block + i*16, stride); 00550 } 00551 } 00552 00553 static void ff_h264_idct8_add4_altivec(uint8_t *dst, const int *block_offset, DCTELEM *block, int stride, const uint8_t nnzc[6*8]){ 00554 int i; 00555 for(i=0; i<16; i+=4){ 00556 int nnz = nnzc[ scan8[i] ]; 00557 if(nnz){ 00558 if(nnz==1 && block[i*16]) ff_h264_idct8_dc_add_altivec(dst + block_offset[i], block + i*16, stride); 00559 else ff_h264_idct8_add_altivec (dst + block_offset[i], block + i*16, stride); 00560 } 00561 } 00562 } 00563 00564 static void ff_h264_idct_add8_altivec(uint8_t **dest, const int *block_offset, DCTELEM *block, int stride, const uint8_t nnzc[6*8]){ 00565 int i; 00566 for(i=16; i<16+8; i++){ 00567 if(nnzc[ scan8[i] ]) 00568 ff_h264_idct_add_altivec(dest[(i&4)>>2] + block_offset[i], block + i*16, stride); 00569 else if(block[i*16]) 00570 h264_idct_dc_add_altivec(dest[(i&4)>>2] + block_offset[i], block + i*16, stride); 00571 } 00572 } 00573 00574 #define transpose4x16(r0, r1, r2, r3) { \ 00575 register vec_u8 r4; \ 00576 register vec_u8 r5; \ 00577 register vec_u8 r6; \ 00578 register vec_u8 r7; \ 00579 \ 00580 r4 = vec_mergeh(r0, r2); /*0, 2 set 0*/ \ 00581 r5 = vec_mergel(r0, r2); /*0, 2 set 1*/ \ 00582 r6 = vec_mergeh(r1, r3); /*1, 3 set 0*/ \ 00583 r7 = vec_mergel(r1, r3); /*1, 3 set 1*/ \ 00584 \ 00585 r0 = vec_mergeh(r4, r6); /*all set 0*/ \ 00586 r1 = vec_mergel(r4, r6); /*all set 1*/ \ 00587 r2 = vec_mergeh(r5, r7); /*all set 2*/ \ 00588 r3 = vec_mergel(r5, r7); /*all set 3*/ \ 00589 } 00590 00591 static inline void write16x4(uint8_t *dst, int dst_stride, 00592 register vec_u8 r0, register vec_u8 r1, 00593 register vec_u8 r2, register vec_u8 r3) { 00594 DECLARE_ALIGNED(16, unsigned char, result)[64]; 00595 uint32_t *src_int = (uint32_t *)result, *dst_int = (uint32_t *)dst; 00596 int int_dst_stride = dst_stride/4; 00597 00598 vec_st(r0, 0, result); 00599 vec_st(r1, 16, result); 00600 vec_st(r2, 32, result); 00601 vec_st(r3, 48, result); 00602 /* FIXME: there has to be a better way!!!! */ 00603 *dst_int = *src_int; 00604 *(dst_int+ int_dst_stride) = *(src_int + 1); 00605 *(dst_int+ 2*int_dst_stride) = *(src_int + 2); 00606 *(dst_int+ 3*int_dst_stride) = *(src_int + 3); 00607 *(dst_int+ 4*int_dst_stride) = *(src_int + 4); 00608 *(dst_int+ 5*int_dst_stride) = *(src_int + 5); 00609 *(dst_int+ 6*int_dst_stride) = *(src_int + 6); 00610 *(dst_int+ 7*int_dst_stride) = *(src_int + 7); 00611 *(dst_int+ 8*int_dst_stride) = *(src_int + 8); 00612 *(dst_int+ 9*int_dst_stride) = *(src_int + 9); 00613 *(dst_int+10*int_dst_stride) = *(src_int + 10); 00614 *(dst_int+11*int_dst_stride) = *(src_int + 11); 00615 *(dst_int+12*int_dst_stride) = *(src_int + 12); 00616 *(dst_int+13*int_dst_stride) = *(src_int + 13); 00617 *(dst_int+14*int_dst_stride) = *(src_int + 14); 00618 *(dst_int+15*int_dst_stride) = *(src_int + 15); 00619 } 00620 00624 #define readAndTranspose16x6(src, src_stride, r8, r9, r10, r11, r12, r13) {\ 00625 register vec_u8 r0 = unaligned_load(0, src); \ 00626 register vec_u8 r1 = unaligned_load( src_stride, src); \ 00627 register vec_u8 r2 = unaligned_load(2* src_stride, src); \ 00628 register vec_u8 r3 = unaligned_load(3* src_stride, src); \ 00629 register vec_u8 r4 = unaligned_load(4* src_stride, src); \ 00630 register vec_u8 r5 = unaligned_load(5* src_stride, src); \ 00631 register vec_u8 r6 = unaligned_load(6* src_stride, src); \ 00632 register vec_u8 r7 = unaligned_load(7* src_stride, src); \ 00633 register vec_u8 r14 = unaligned_load(14*src_stride, src); \ 00634 register vec_u8 r15 = unaligned_load(15*src_stride, src); \ 00635 \ 00636 r8 = unaligned_load( 8*src_stride, src); \ 00637 r9 = unaligned_load( 9*src_stride, src); \ 00638 r10 = unaligned_load(10*src_stride, src); \ 00639 r11 = unaligned_load(11*src_stride, src); \ 00640 r12 = unaligned_load(12*src_stride, src); \ 00641 r13 = unaligned_load(13*src_stride, src); \ 00642 \ 00643 /*Merge first pairs*/ \ 00644 r0 = vec_mergeh(r0, r8); /*0, 8*/ \ 00645 r1 = vec_mergeh(r1, r9); /*1, 9*/ \ 00646 r2 = vec_mergeh(r2, r10); /*2,10*/ \ 00647 r3 = vec_mergeh(r3, r11); /*3,11*/ \ 00648 r4 = vec_mergeh(r4, r12); /*4,12*/ \ 00649 r5 = vec_mergeh(r5, r13); /*5,13*/ \ 00650 r6 = vec_mergeh(r6, r14); /*6,14*/ \ 00651 r7 = vec_mergeh(r7, r15); /*7,15*/ \ 00652 \ 00653 /*Merge second pairs*/ \ 00654 r8 = vec_mergeh(r0, r4); /*0,4, 8,12 set 0*/ \ 00655 r9 = vec_mergel(r0, r4); /*0,4, 8,12 set 1*/ \ 00656 r10 = vec_mergeh(r1, r5); /*1,5, 9,13 set 0*/ \ 00657 r11 = vec_mergel(r1, r5); /*1,5, 9,13 set 1*/ \ 00658 r12 = vec_mergeh(r2, r6); /*2,6,10,14 set 0*/ \ 00659 r13 = vec_mergel(r2, r6); /*2,6,10,14 set 1*/ \ 00660 r14 = vec_mergeh(r3, r7); /*3,7,11,15 set 0*/ \ 00661 r15 = vec_mergel(r3, r7); /*3,7,11,15 set 1*/ \ 00662 \ 00663 /*Third merge*/ \ 00664 r0 = vec_mergeh(r8, r12); /*0,2,4,6,8,10,12,14 set 0*/ \ 00665 r1 = vec_mergel(r8, r12); /*0,2,4,6,8,10,12,14 set 1*/ \ 00666 r2 = vec_mergeh(r9, r13); /*0,2,4,6,8,10,12,14 set 2*/ \ 00667 r4 = vec_mergeh(r10, r14); /*1,3,5,7,9,11,13,15 set 0*/ \ 00668 r5 = vec_mergel(r10, r14); /*1,3,5,7,9,11,13,15 set 1*/ \ 00669 r6 = vec_mergeh(r11, r15); /*1,3,5,7,9,11,13,15 set 2*/ \ 00670 /* Don't need to compute 3 and 7*/ \ 00671 \ 00672 /*Final merge*/ \ 00673 r8 = vec_mergeh(r0, r4); /*all set 0*/ \ 00674 r9 = vec_mergel(r0, r4); /*all set 1*/ \ 00675 r10 = vec_mergeh(r1, r5); /*all set 2*/ \ 00676 r11 = vec_mergel(r1, r5); /*all set 3*/ \ 00677 r12 = vec_mergeh(r2, r6); /*all set 4*/ \ 00678 r13 = vec_mergel(r2, r6); /*all set 5*/ \ 00679 /* Don't need to compute 14 and 15*/ \ 00680 \ 00681 } 00682 00683 // out: o = |x-y| < a 00684 static inline vec_u8 diff_lt_altivec ( register vec_u8 x, 00685 register vec_u8 y, 00686 register vec_u8 a) { 00687 00688 register vec_u8 diff = vec_subs(x, y); 00689 register vec_u8 diffneg = vec_subs(y, x); 00690 register vec_u8 o = vec_or(diff, diffneg); /* |x-y| */ 00691 o = (vec_u8)vec_cmplt(o, a); 00692 return o; 00693 } 00694 00695 static inline vec_u8 h264_deblock_mask ( register vec_u8 p0, 00696 register vec_u8 p1, 00697 register vec_u8 q0, 00698 register vec_u8 q1, 00699 register vec_u8 alpha, 00700 register vec_u8 beta) { 00701 00702 register vec_u8 mask; 00703 register vec_u8 tempmask; 00704 00705 mask = diff_lt_altivec(p0, q0, alpha); 00706 tempmask = diff_lt_altivec(p1, p0, beta); 00707 mask = vec_and(mask, tempmask); 00708 tempmask = diff_lt_altivec(q1, q0, beta); 00709 mask = vec_and(mask, tempmask); 00710 00711 return mask; 00712 } 00713 00714 // out: newp1 = clip((p2 + ((p0 + q0 + 1) >> 1)) >> 1, p1-tc0, p1+tc0) 00715 static inline vec_u8 h264_deblock_q1(register vec_u8 p0, 00716 register vec_u8 p1, 00717 register vec_u8 p2, 00718 register vec_u8 q0, 00719 register vec_u8 tc0) { 00720 00721 register vec_u8 average = vec_avg(p0, q0); 00722 register vec_u8 temp; 00723 register vec_u8 uncliped; 00724 register vec_u8 ones; 00725 register vec_u8 max; 00726 register vec_u8 min; 00727 register vec_u8 newp1; 00728 00729 temp = vec_xor(average, p2); 00730 average = vec_avg(average, p2); /*avg(p2, avg(p0, q0)) */ 00731 ones = vec_splat_u8(1); 00732 temp = vec_and(temp, ones); /*(p2^avg(p0, q0)) & 1 */ 00733 uncliped = vec_subs(average, temp); /*(p2+((p0+q0+1)>>1))>>1 */ 00734 max = vec_adds(p1, tc0); 00735 min = vec_subs(p1, tc0); 00736 newp1 = vec_max(min, uncliped); 00737 newp1 = vec_min(max, newp1); 00738 return newp1; 00739 } 00740 00741 #define h264_deblock_p0_q0(p0, p1, q0, q1, tc0masked) { \ 00742 \ 00743 const vec_u8 A0v = vec_sl(vec_splat_u8(10), vec_splat_u8(4)); \ 00744 \ 00745 register vec_u8 pq0bit = vec_xor(p0,q0); \ 00746 register vec_u8 q1minus; \ 00747 register vec_u8 p0minus; \ 00748 register vec_u8 stage1; \ 00749 register vec_u8 stage2; \ 00750 register vec_u8 vec160; \ 00751 register vec_u8 delta; \ 00752 register vec_u8 deltaneg; \ 00753 \ 00754 q1minus = vec_nor(q1, q1); /* 255 - q1 */ \ 00755 stage1 = vec_avg(p1, q1minus); /* (p1 - q1 + 256)>>1 */ \ 00756 stage2 = vec_sr(stage1, vec_splat_u8(1)); /* (p1 - q1 + 256)>>2 = 64 + (p1 - q1) >> 2 */ \ 00757 p0minus = vec_nor(p0, p0); /* 255 - p0 */ \ 00758 stage1 = vec_avg(q0, p0minus); /* (q0 - p0 + 256)>>1 */ \ 00759 pq0bit = vec_and(pq0bit, vec_splat_u8(1)); \ 00760 stage2 = vec_avg(stage2, pq0bit); /* 32 + ((q0 - p0)&1 + (p1 - q1) >> 2 + 1) >> 1 */ \ 00761 stage2 = vec_adds(stage2, stage1); /* 160 + ((p0 - q0) + (p1 - q1) >> 2 + 1) >> 1 */ \ 00762 vec160 = vec_ld(0, &A0v); \ 00763 deltaneg = vec_subs(vec160, stage2); /* -d */ \ 00764 delta = vec_subs(stage2, vec160); /* d */ \ 00765 deltaneg = vec_min(tc0masked, deltaneg); \ 00766 delta = vec_min(tc0masked, delta); \ 00767 p0 = vec_subs(p0, deltaneg); \ 00768 q0 = vec_subs(q0, delta); \ 00769 p0 = vec_adds(p0, delta); \ 00770 q0 = vec_adds(q0, deltaneg); \ 00771 } 00772 00773 #define h264_loop_filter_luma_altivec(p2, p1, p0, q0, q1, q2, alpha, beta, tc0) { \ 00774 DECLARE_ALIGNED(16, unsigned char, temp)[16]; \ 00775 register vec_u8 alphavec; \ 00776 register vec_u8 betavec; \ 00777 register vec_u8 mask; \ 00778 register vec_u8 p1mask; \ 00779 register vec_u8 q1mask; \ 00780 register vector signed char tc0vec; \ 00781 register vec_u8 finaltc0; \ 00782 register vec_u8 tc0masked; \ 00783 register vec_u8 newp1; \ 00784 register vec_u8 newq1; \ 00785 \ 00786 temp[0] = alpha; \ 00787 temp[1] = beta; \ 00788 alphavec = vec_ld(0, temp); \ 00789 betavec = vec_splat(alphavec, 0x1); \ 00790 alphavec = vec_splat(alphavec, 0x0); \ 00791 mask = h264_deblock_mask(p0, p1, q0, q1, alphavec, betavec); /*if in block */ \ 00792 \ 00793 *((int *)temp) = *((int *)tc0); \ 00794 tc0vec = vec_ld(0, (signed char*)temp); \ 00795 tc0vec = vec_mergeh(tc0vec, tc0vec); \ 00796 tc0vec = vec_mergeh(tc0vec, tc0vec); \ 00797 mask = vec_and(mask, vec_cmpgt(tc0vec, vec_splat_s8(-1))); /* if tc0[i] >= 0 */ \ 00798 finaltc0 = vec_and((vec_u8)tc0vec, mask); /* tc = tc0 */ \ 00799 \ 00800 p1mask = diff_lt_altivec(p2, p0, betavec); \ 00801 p1mask = vec_and(p1mask, mask); /* if ( |p2 - p0| < beta) */ \ 00802 tc0masked = vec_and(p1mask, (vec_u8)tc0vec); \ 00803 finaltc0 = vec_sub(finaltc0, p1mask); /* tc++ */ \ 00804 newp1 = h264_deblock_q1(p0, p1, p2, q0, tc0masked); \ 00805 /*end if*/ \ 00806 \ 00807 q1mask = diff_lt_altivec(q2, q0, betavec); \ 00808 q1mask = vec_and(q1mask, mask); /* if ( |q2 - q0| < beta ) */\ 00809 tc0masked = vec_and(q1mask, (vec_u8)tc0vec); \ 00810 finaltc0 = vec_sub(finaltc0, q1mask); /* tc++ */ \ 00811 newq1 = h264_deblock_q1(p0, q1, q2, q0, tc0masked); \ 00812 /*end if*/ \ 00813 \ 00814 h264_deblock_p0_q0(p0, p1, q0, q1, finaltc0); \ 00815 p1 = newp1; \ 00816 q1 = newq1; \ 00817 } 00818 00819 static void h264_v_loop_filter_luma_altivec(uint8_t *pix, int stride, int alpha, int beta, int8_t *tc0) { 00820 00821 if ((tc0[0] & tc0[1] & tc0[2] & tc0[3]) >= 0) { 00822 register vec_u8 p2 = vec_ld(-3*stride, pix); 00823 register vec_u8 p1 = vec_ld(-2*stride, pix); 00824 register vec_u8 p0 = vec_ld(-1*stride, pix); 00825 register vec_u8 q0 = vec_ld(0, pix); 00826 register vec_u8 q1 = vec_ld(stride, pix); 00827 register vec_u8 q2 = vec_ld(2*stride, pix); 00828 h264_loop_filter_luma_altivec(p2, p1, p0, q0, q1, q2, alpha, beta, tc0); 00829 vec_st(p1, -2*stride, pix); 00830 vec_st(p0, -1*stride, pix); 00831 vec_st(q0, 0, pix); 00832 vec_st(q1, stride, pix); 00833 } 00834 } 00835 00836 static void h264_h_loop_filter_luma_altivec(uint8_t *pix, int stride, int alpha, int beta, int8_t *tc0) { 00837 00838 register vec_u8 line0, line1, line2, line3, line4, line5; 00839 if ((tc0[0] & tc0[1] & tc0[2] & tc0[3]) < 0) 00840 return; 00841 readAndTranspose16x6(pix-3, stride, line0, line1, line2, line3, line4, line5); 00842 h264_loop_filter_luma_altivec(line0, line1, line2, line3, line4, line5, alpha, beta, tc0); 00843 transpose4x16(line1, line2, line3, line4); 00844 write16x4(pix-2, stride, line1, line2, line3, line4); 00845 } 00846 00847 static av_always_inline 00848 void weight_h264_WxH_altivec(uint8_t *block, int stride, int log2_denom, int weight, int offset, int w, int h) 00849 { 00850 int y, aligned; 00851 vec_u8 vblock; 00852 vec_s16 vtemp, vweight, voffset, v0, v1; 00853 vec_u16 vlog2_denom; 00854 DECLARE_ALIGNED(16, int32_t, temp)[4]; 00855 LOAD_ZERO; 00856 00857 offset <<= log2_denom; 00858 if(log2_denom) offset += 1<<(log2_denom-1); 00859 temp[0] = log2_denom; 00860 temp[1] = weight; 00861 temp[2] = offset; 00862 00863 vtemp = (vec_s16)vec_ld(0, temp); 00864 vlog2_denom = (vec_u16)vec_splat(vtemp, 1); 00865 vweight = vec_splat(vtemp, 3); 00866 voffset = vec_splat(vtemp, 5); 00867 aligned = !((unsigned long)block & 0xf); 00868 00869 for (y=0; y<h; y++) { 00870 vblock = vec_ld(0, block); 00871 00872 v0 = (vec_s16)vec_mergeh(zero_u8v, vblock); 00873 v1 = (vec_s16)vec_mergel(zero_u8v, vblock); 00874 00875 if (w == 16 || aligned) { 00876 v0 = vec_mladd(v0, vweight, zero_s16v); 00877 v0 = vec_adds(v0, voffset); 00878 v0 = vec_sra(v0, vlog2_denom); 00879 } 00880 if (w == 16 || !aligned) { 00881 v1 = vec_mladd(v1, vweight, zero_s16v); 00882 v1 = vec_adds(v1, voffset); 00883 v1 = vec_sra(v1, vlog2_denom); 00884 } 00885 vblock = vec_packsu(v0, v1); 00886 vec_st(vblock, 0, block); 00887 00888 block += stride; 00889 } 00890 } 00891 00892 static av_always_inline 00893 void biweight_h264_WxH_altivec(uint8_t *dst, uint8_t *src, int stride, int log2_denom, 00894 int weightd, int weights, int offset, int w, int h) 00895 { 00896 int y, dst_aligned, src_aligned; 00897 vec_u8 vsrc, vdst; 00898 vec_s16 vtemp, vweights, vweightd, voffset, v0, v1, v2, v3; 00899 vec_u16 vlog2_denom; 00900 DECLARE_ALIGNED(16, int32_t, temp)[4]; 00901 LOAD_ZERO; 00902 00903 offset = ((offset + 1) | 1) << log2_denom; 00904 temp[0] = log2_denom+1; 00905 temp[1] = weights; 00906 temp[2] = weightd; 00907 temp[3] = offset; 00908 00909 vtemp = (vec_s16)vec_ld(0, temp); 00910 vlog2_denom = (vec_u16)vec_splat(vtemp, 1); 00911 vweights = vec_splat(vtemp, 3); 00912 vweightd = vec_splat(vtemp, 5); 00913 voffset = vec_splat(vtemp, 7); 00914 dst_aligned = !((unsigned long)dst & 0xf); 00915 src_aligned = !((unsigned long)src & 0xf); 00916 00917 for (y=0; y<h; y++) { 00918 vdst = vec_ld(0, dst); 00919 vsrc = vec_ld(0, src); 00920 00921 v0 = (vec_s16)vec_mergeh(zero_u8v, vdst); 00922 v1 = (vec_s16)vec_mergel(zero_u8v, vdst); 00923 v2 = (vec_s16)vec_mergeh(zero_u8v, vsrc); 00924 v3 = (vec_s16)vec_mergel(zero_u8v, vsrc); 00925 00926 if (w == 8) { 00927 if (src_aligned) 00928 v3 = v2; 00929 else 00930 v2 = v3; 00931 } 00932 00933 if (w == 16 || dst_aligned) { 00934 v0 = vec_mladd(v0, vweightd, zero_s16v); 00935 v2 = vec_mladd(v2, vweights, zero_s16v); 00936 00937 v0 = vec_adds(v0, voffset); 00938 v0 = vec_adds(v0, v2); 00939 v0 = vec_sra(v0, vlog2_denom); 00940 } 00941 if (w == 16 || !dst_aligned) { 00942 v1 = vec_mladd(v1, vweightd, zero_s16v); 00943 v3 = vec_mladd(v3, vweights, zero_s16v); 00944 00945 v1 = vec_adds(v1, voffset); 00946 v1 = vec_adds(v1, v3); 00947 v1 = vec_sra(v1, vlog2_denom); 00948 } 00949 vdst = vec_packsu(v0, v1); 00950 vec_st(vdst, 0, dst); 00951 00952 dst += stride; 00953 src += stride; 00954 } 00955 } 00956 00957 #define H264_WEIGHT(W,H) \ 00958 static void ff_weight_h264_pixels ## W ## x ## H ## _altivec(uint8_t *block, int stride, int log2_denom, int weight, int offset){ \ 00959 weight_h264_WxH_altivec(block, stride, log2_denom, weight, offset, W, H); \ 00960 }\ 00961 static 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){ \ 00962 biweight_h264_WxH_altivec(dst, src, stride, log2_denom, weightd, weights, offset, W, H); \ 00963 } 00964 00965 H264_WEIGHT(16,16) 00966 H264_WEIGHT(16, 8) 00967 H264_WEIGHT( 8,16) 00968 H264_WEIGHT( 8, 8) 00969 H264_WEIGHT( 8, 4) 00970 00971 void dsputil_h264_init_ppc(DSPContext* c, AVCodecContext *avctx) { 00972 00973 if (has_altivec()) { 00974 c->put_h264_chroma_pixels_tab[0] = put_h264_chroma_mc8_altivec; 00975 c->avg_h264_chroma_pixels_tab[0] = avg_h264_chroma_mc8_altivec; 00976 c->put_no_rnd_vc1_chroma_pixels_tab[0] = put_no_rnd_vc1_chroma_mc8_altivec; 00977 c->avg_no_rnd_vc1_chroma_pixels_tab[0] = avg_no_rnd_vc1_chroma_mc8_altivec; 00978 00979 #define dspfunc(PFX, IDX, NUM) \ 00980 c->PFX ## _pixels_tab[IDX][ 0] = PFX ## NUM ## _mc00_altivec; \ 00981 c->PFX ## _pixels_tab[IDX][ 1] = PFX ## NUM ## _mc10_altivec; \ 00982 c->PFX ## _pixels_tab[IDX][ 2] = PFX ## NUM ## _mc20_altivec; \ 00983 c->PFX ## _pixels_tab[IDX][ 3] = PFX ## NUM ## _mc30_altivec; \ 00984 c->PFX ## _pixels_tab[IDX][ 4] = PFX ## NUM ## _mc01_altivec; \ 00985 c->PFX ## _pixels_tab[IDX][ 5] = PFX ## NUM ## _mc11_altivec; \ 00986 c->PFX ## _pixels_tab[IDX][ 6] = PFX ## NUM ## _mc21_altivec; \ 00987 c->PFX ## _pixels_tab[IDX][ 7] = PFX ## NUM ## _mc31_altivec; \ 00988 c->PFX ## _pixels_tab[IDX][ 8] = PFX ## NUM ## _mc02_altivec; \ 00989 c->PFX ## _pixels_tab[IDX][ 9] = PFX ## NUM ## _mc12_altivec; \ 00990 c->PFX ## _pixels_tab[IDX][10] = PFX ## NUM ## _mc22_altivec; \ 00991 c->PFX ## _pixels_tab[IDX][11] = PFX ## NUM ## _mc32_altivec; \ 00992 c->PFX ## _pixels_tab[IDX][12] = PFX ## NUM ## _mc03_altivec; \ 00993 c->PFX ## _pixels_tab[IDX][13] = PFX ## NUM ## _mc13_altivec; \ 00994 c->PFX ## _pixels_tab[IDX][14] = PFX ## NUM ## _mc23_altivec; \ 00995 c->PFX ## _pixels_tab[IDX][15] = PFX ## NUM ## _mc33_altivec 00996 00997 dspfunc(put_h264_qpel, 0, 16); 00998 dspfunc(avg_h264_qpel, 0, 16); 00999 #undef dspfunc 01000 } 01001 } 01002 01003 void ff_h264dsp_init_ppc(H264DSPContext *c) 01004 { 01005 if (has_altivec()) { 01006 c->h264_idct_add = ff_h264_idct_add_altivec; 01007 c->h264_idct_add8 = ff_h264_idct_add8_altivec; 01008 c->h264_idct_add16 = ff_h264_idct_add16_altivec; 01009 c->h264_idct_add16intra = ff_h264_idct_add16intra_altivec; 01010 c->h264_idct_dc_add= h264_idct_dc_add_altivec; 01011 c->h264_idct8_dc_add = ff_h264_idct8_dc_add_altivec; 01012 c->h264_idct8_add = ff_h264_idct8_add_altivec; 01013 c->h264_idct8_add4 = ff_h264_idct8_add4_altivec; 01014 c->h264_v_loop_filter_luma= h264_v_loop_filter_luma_altivec; 01015 c->h264_h_loop_filter_luma= h264_h_loop_filter_luma_altivec; 01016 01017 c->weight_h264_pixels_tab[0] = ff_weight_h264_pixels16x16_altivec; 01018 c->weight_h264_pixels_tab[1] = ff_weight_h264_pixels16x8_altivec; 01019 c->weight_h264_pixels_tab[2] = ff_weight_h264_pixels8x16_altivec; 01020 c->weight_h264_pixels_tab[3] = ff_weight_h264_pixels8x8_altivec; 01021 c->weight_h264_pixels_tab[4] = ff_weight_h264_pixels8x4_altivec; 01022 c->biweight_h264_pixels_tab[0] = ff_biweight_h264_pixels16x16_altivec; 01023 c->biweight_h264_pixels_tab[1] = ff_biweight_h264_pixels16x8_altivec; 01024 c->biweight_h264_pixels_tab[2] = ff_biweight_h264_pixels8x16_altivec; 01025 c->biweight_h264_pixels_tab[3] = ff_biweight_h264_pixels8x8_altivec; 01026 c->biweight_h264_pixels_tab[4] = ff_biweight_h264_pixels8x4_altivec; 01027 } 01028 }