| 1 | /* |
| 2 | * This file is part of FFmpeg. |
| 3 | * |
| 4 | * FFmpeg is free software; you can redistribute it and/or |
| 5 | * modify it under the terms of the GNU Lesser General Public |
| 6 | * License as published by the Free Software Foundation; either |
| 7 | * version 2.1 of the License, or (at your option) any later version. |
| 8 | * |
| 9 | * FFmpeg is distributed in the hope that it will be useful, |
| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 12 | * Lesser General Public License for more details. |
| 13 | * |
| 14 | * You should have received a copy of the GNU Lesser General Public |
| 15 | * License along with FFmpeg; if not, write to the Free Software |
| 16 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| 17 | */ |
| 18 | |
| 19 | #include "libavutil/attributes.h" |
| 20 | #include "libavutil/cpu.h" |
| 21 | #include "libavutil/x86/cpu.h" |
| 22 | #include "libavcodec/lossless_audiodsp.h" |
| 23 | |
| 24 | int32_t ff_scalarproduct_and_madd_int16_mmxext(int16_t *v1, const int16_t *v2, |
| 25 | const int16_t *v3, |
| 26 | int order, int mul); |
| 27 | int32_t ff_scalarproduct_and_madd_int16_sse2(int16_t *v1, const int16_t *v2, |
| 28 | const int16_t *v3, |
| 29 | int order, int mul); |
| 30 | int32_t ff_scalarproduct_and_madd_int16_ssse3(int16_t *v1, const int16_t *v2, |
| 31 | const int16_t *v3, |
| 32 | int order, int mul); |
| 33 | |
| 34 | av_cold void ff_llauddsp_init_x86(LLAudDSPContext *c) |
| 35 | { |
| 36 | int cpu_flags = av_get_cpu_flags(); |
| 37 | |
| 38 | if (EXTERNAL_MMXEXT(cpu_flags)) |
| 39 | c->scalarproduct_and_madd_int16 = ff_scalarproduct_and_madd_int16_mmxext; |
| 40 | |
| 41 | if (EXTERNAL_SSE2(cpu_flags)) |
| 42 | c->scalarproduct_and_madd_int16 = ff_scalarproduct_and_madd_int16_sse2; |
| 43 | |
| 44 | if (EXTERNAL_SSSE3(cpu_flags) && |
| 45 | !(cpu_flags & (AV_CPU_FLAG_SSE42 | AV_CPU_FLAG_3DNOW))) // cachesplit |
| 46 | c->scalarproduct_and_madd_int16 = ff_scalarproduct_and_madd_int16_ssse3; |
| 47 | } |