/* * audio resampling * Copyright (c) 2004-2012 Michael Niedermayer <michaelni@gmx.at> * * This file is part of FFmpeg. * * FFmpeg is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * FFmpeg is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with FFmpeg; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ /** * @file * audio resampling * @author Michael Niedermayer <michaelni@gmx.at> */ #include "libavutil/x86/cpu.h" #include "libswresample/resample.h" #define RESAMPLE_FUNCS(type, opt) \ int ff_resample_common_##type##_##opt(ResampleContext *c, void *dst, \ const void *src, int sz, int upd); \ int ff_resample_linear_##type##_##opt(ResampleContext *c, void *dst, \ const void *src, int sz, int upd) RESAMPLE_FUNCS(int16, mmxext); RESAMPLE_FUNCS(int16, sse2); RESAMPLE_FUNCS(int16, xop); RESAMPLE_FUNCS(float, sse); RESAMPLE_FUNCS(float, avx); RESAMPLE_FUNCS(float, fma3); RESAMPLE_FUNCS(float, fma4); RESAMPLE_FUNCS(double, sse2); RESAMPLE_FUNCS(double, avx); RESAMPLE_FUNCS(double, fma3); av_cold void swri_resample_dsp_x86_init(ResampleContext *c) { int av_unused mm_flags = av_get_cpu_flags(); switch(c->format){ case AV_SAMPLE_FMT_S16P: if (ARCH_X86_32 && EXTERNAL_MMXEXT(mm_flags)) { c->dsp.resample_linear = ff_resample_linear_int16_mmxext; c->dsp.resample_common = ff_resample_common_int16_mmxext; } if (EXTERNAL_SSE2(mm_flags)) { c->dsp.resample_linear = ff_resample_linear_int16_sse2; c->dsp.resample_common = ff_resample_common_int16_sse2; } if (EXTERNAL_XOP(mm_flags)) { c->dsp.resample_linear = ff_resample_linear_int16_xop; c->dsp.resample_common = ff_resample_common_int16_xop; } break; case AV_SAMPLE_FMT_FLTP: if (EXTERNAL_SSE(mm_flags)) { c->dsp.resample_linear = ff_resample_linear_float_sse; c->dsp.resample_common = ff_resample_common_float_sse; } if (EXTERNAL_AVX_FAST(mm_flags)) { c->dsp.resample_linear = ff_resample_linear_float_avx; c->dsp.resample_common = ff_resample_common_float_avx; } if (EXTERNAL_FMA3_FAST(mm_flags)) { c->dsp.resample_linear = ff_resample_linear_float_fma3; c->dsp.resample_common = ff_resample_common_float_fma3; } if (EXTERNAL_FMA4(mm_flags)) { c->dsp.resample_linear = ff_resample_linear_float_fma4; c->dsp.resample_common = ff_resample_common_float_fma4; } break; case AV_SAMPLE_FMT_DBLP: if (EXTERNAL_SSE2(mm_flags)) { c->dsp.resample_linear = ff_resample_linear_double_sse2; c->dsp.resample_common = ff_resample_common_double_sse2; } if (EXTERNAL_AVX_FAST(mm_flags)) { c->dsp.resample_linear = ff_resample_linear_double_avx; c->dsp.resample_common = ff_resample_common_double_avx; } if (EXTERNAL_FMA3_FAST(mm_flags)) { c->dsp.resample_linear = ff_resample_linear_double_fma3; c->dsp.resample_common = ff_resample_common_double_fma3; } break; } }