diff options
Diffstat (limited to 'libavresample/x86/audio_mix_init.c')
| -rw-r--r-- | libavresample/x86/audio_mix_init.c | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/libavresample/x86/audio_mix_init.c b/libavresample/x86/audio_mix_init.c new file mode 100644 index 0000000000..8f8930f836 --- /dev/null +++ b/libavresample/x86/audio_mix_init.c @@ -0,0 +1,44 @@ +/* + * Copyright (c) 2012 Justin Ruggles <justin.ruggles@gmail.com> + * + * 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); + +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_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 +} |