repositories / deb_ffmpeg.git / blame
| Commit | Line | Data |
|---|---|---|
| 2ba45a60 DM |
1 | /* |
| 2 | * audio resampling | |
| 3 | * Copyright (c) 2004-2012 Michael Niedermayer <michaelni@gmx.at> | |
| 4 | * | |
| 5 | * This file is part of FFmpeg. | |
| 6 | * | |
| 7 | * FFmpeg is free software; you can redistribute it and/or | |
| 8 | * modify it under the terms of the GNU Lesser General Public | |
| 9 | * License as published by the Free Software Foundation; either | |
| 10 | * version 2.1 of the License, or (at your option) any later version. | |
| 11 | * | |
| 12 | * FFmpeg is distributed in the hope that it will be useful, | |
| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 15 | * Lesser General Public License for more details. | |
| 16 | * | |
| 17 | * You should have received a copy of the GNU Lesser General Public | |
| 18 | * License along with FFmpeg; if not, write to the Free Software | |
| 19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
| 20 | */ | |
| 21 | ||
| 22 | /** | |
| 23 | * @file | |
| 24 | * audio resampling | |
| 25 | * @author Michael Niedermayer <michaelni@gmx.at> | |
| 26 | */ | |
| 27 | ||
| 28 | #include "libavutil/x86/cpu.h" | |
| 29 | #include "libswresample/resample.h" | |
| 30 | ||
| 31 | #define RESAMPLE_FUNCS(type, opt) \ | |
| 32 | int ff_resample_common_##type##_##opt(ResampleContext *c, void *dst, \ | |
| 33 | const void *src, int sz, int upd); \ | |
| 34 | int ff_resample_linear_##type##_##opt(ResampleContext *c, void *dst, \ | |
| 35 | const void *src, int sz, int upd) | |
| 36 | ||
| 37 | RESAMPLE_FUNCS(int16, mmxext); | |
| 38 | RESAMPLE_FUNCS(int16, sse2); | |
| 39 | RESAMPLE_FUNCS(int16, xop); | |
| 40 | RESAMPLE_FUNCS(float, sse); | |
| 41 | RESAMPLE_FUNCS(float, avx); | |
| 42 | RESAMPLE_FUNCS(float, fma3); | |
| 43 | RESAMPLE_FUNCS(float, fma4); | |
| 44 | RESAMPLE_FUNCS(double, sse2); | |
| 45 | ||
| 46 | void swri_resample_dsp_x86_init(ResampleContext *c) | |
| 47 | { | |
| 48 | int av_unused mm_flags = av_get_cpu_flags(); | |
| 49 | ||
| 50 | switch(c->format){ | |
| 51 | case AV_SAMPLE_FMT_S16P: | |
| 52 | if (ARCH_X86_32 && EXTERNAL_MMXEXT(mm_flags)) { | |
| 53 | c->dsp.resample = c->linear ? ff_resample_linear_int16_mmxext | |
| 54 | : ff_resample_common_int16_mmxext; | |
| 55 | } | |
| 56 | if (EXTERNAL_SSE2(mm_flags)) { | |
| 57 | c->dsp.resample = c->linear ? ff_resample_linear_int16_sse2 | |
| 58 | : ff_resample_common_int16_sse2; | |
| 59 | } | |
| 60 | if (EXTERNAL_XOP(mm_flags)) { | |
| 61 | c->dsp.resample = c->linear ? ff_resample_linear_int16_xop | |
| 62 | : ff_resample_common_int16_xop; | |
| 63 | } | |
| 64 | break; | |
| 65 | case AV_SAMPLE_FMT_FLTP: | |
| 66 | if (EXTERNAL_SSE(mm_flags)) { | |
| 67 | c->dsp.resample = c->linear ? ff_resample_linear_float_sse | |
| 68 | : ff_resample_common_float_sse; | |
| 69 | } | |
| 70 | if (EXTERNAL_AVX(mm_flags)) { | |
| 71 | c->dsp.resample = c->linear ? ff_resample_linear_float_avx | |
| 72 | : ff_resample_common_float_avx; | |
| 73 | } | |
| 74 | if (EXTERNAL_FMA3(mm_flags)) { | |
| 75 | c->dsp.resample = c->linear ? ff_resample_linear_float_fma3 | |
| 76 | : ff_resample_common_float_fma3; | |
| 77 | } | |
| 78 | if (EXTERNAL_FMA4(mm_flags)) { | |
| 79 | c->dsp.resample = c->linear ? ff_resample_linear_float_fma4 | |
| 80 | : ff_resample_common_float_fma4; | |
| 81 | } | |
| 82 | break; | |
| 83 | case AV_SAMPLE_FMT_DBLP: | |
| 84 | if (EXTERNAL_SSE2(mm_flags)) { | |
| 85 | c->dsp.resample = c->linear ? ff_resample_linear_double_sse2 | |
| 86 | : ff_resample_common_double_sse2; | |
| 87 | } | |
| 88 | break; | |
| 89 | } | |
| 90 | } |