/* * Copyright (c) 2012 Justin Ruggles * * This file is part of Libav. * * Libav 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. * * Libav 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 Libav; 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 "libavresample/audio_mix.h" extern void ff_mix_2_to_1_fltp_flt_sse(float **src, float **matrix, int len, int out_ch, int in_ch); extern void ff_mix_2_to_1_fltp_flt_avx(float **src, float **matrix, int len, int out_ch, int in_ch); extern void ff_mix_2_to_1_s16p_flt_sse2(int16_t **src, float **matrix, int len, int out_ch, int in_ch); extern void ff_mix_2_to_1_s16p_flt_sse4(int16_t **src, float **matrix, int len, int out_ch, int in_ch); extern void ff_mix_2_to_1_s16p_q8_sse2(int16_t **src, int16_t **matrix, int len, int out_ch, int in_ch); av_cold void ff_audio_mix_init_x86(AudioMix *am) { #if HAVE_YASM int mm_flags = av_get_cpu_flags(); if (mm_flags & AV_CPU_FLAG_SSE && HAVE_SSE) { ff_audio_mix_set_func(am, AV_SAMPLE_FMT_FLTP, AV_MIX_COEFF_TYPE_FLT, 2, 1, 16, 8, "SSE", ff_mix_2_to_1_fltp_flt_sse); } if (mm_flags & AV_CPU_FLAG_SSE2 && HAVE_SSE) { ff_audio_mix_set_func(am, AV_SAMPLE_FMT_S16P, AV_MIX_COEFF_TYPE_FLT, 2, 1, 16, 8, "SSE2", ff_mix_2_to_1_s16p_flt_sse2); ff_audio_mix_set_func(am, AV_SAMPLE_FMT_S16P, AV_MIX_COEFF_TYPE_Q8, 2, 1, 16, 8, "SSE2", ff_mix_2_to_1_s16p_q8_sse2); } if (mm_flags & AV_CPU_FLAG_SSE4 && HAVE_SSE) { ff_audio_mix_set_func(am, AV_SAMPLE_FMT_S16P, AV_MIX_COEFF_TYPE_FLT, 2, 1, 16, 8, "SSE4", ff_mix_2_to_1_s16p_flt_sse4); } if (mm_flags & AV_CPU_FLAG_AVX && HAVE_AVX) { ff_audio_mix_set_func(am, AV_SAMPLE_FMT_FLTP, AV_MIX_COEFF_TYPE_FLT, 2, 1, 32, 16, "AVX", ff_mix_2_to_1_fltp_flt_avx); } #endif }