/* * 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 */ #include "config.h" #include "libavutil/cpu.h" #include "libavutil/float_dsp.h" extern void ff_vector_fmul_sse(float *dst, const float *src0, const float *src1, int len); extern void ff_vector_fmul_avx(float *dst, const float *src0, const float *src1, int len); extern void ff_vector_fmac_scalar_sse(float *dst, const float *src, float mul, int len); extern void ff_vector_fmac_scalar_avx(float *dst, const float *src, float mul, int len); void ff_float_dsp_init_x86(AVFloatDSPContext *fdsp) { #if HAVE_YASM int mm_flags = av_get_cpu_flags(); if (mm_flags & AV_CPU_FLAG_SSE && HAVE_SSE) { fdsp->vector_fmul = ff_vector_fmul_sse; fdsp->vector_fmac_scalar = ff_vector_fmac_scalar_sse; } if (mm_flags & AV_CPU_FLAG_AVX && HAVE_AVX_EXTERNAL) { fdsp->vector_fmul = ff_vector_fmul_avx; fdsp->vector_fmac_scalar = ff_vector_fmac_scalar_avx; } #endif }