2 * Copyright (c) 2012 Justin Ruggles <justin.ruggles@gmail.com>
4 * This file is part of Libav.
6 * Libav is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * Libav is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with Libav; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
22 #include "libavutil/cpu.h"
23 #include "libavresample/audio_mix.h"
25 extern void ff_mix_2_to_1_fltp_flt_sse(float **src, float **matrix, int len,
26 int out_ch, int in_ch);
27 extern void ff_mix_2_to_1_fltp_flt_avx(float **src, float **matrix, int len,
28 int out_ch, int in_ch);
30 extern void ff_mix_2_to_1_s16p_flt_sse2(int16_t **src, float **matrix, int len,
31 int out_ch, int in_ch);
32 extern void ff_mix_2_to_1_s16p_flt_sse4(int16_t **src, float **matrix, int len,
33 int out_ch, int in_ch);
35 extern void ff_mix_2_to_1_s16p_q8_sse2(int16_t **src, int16_t **matrix,
36 int len, int out_ch, int in_ch);
38 extern void ff_mix_1_to_2_fltp_flt_sse(float **src, float **matrix, int len,
39 int out_ch, int in_ch);
40 extern void ff_mix_1_to_2_fltp_flt_avx(float **src, float **matrix, int len,
41 int out_ch, int in_ch);
43 av_cold void ff_audio_mix_init_x86(AudioMix *am)
46 int mm_flags = av_get_cpu_flags();
48 if (mm_flags & AV_CPU_FLAG_SSE && HAVE_SSE) {
49 ff_audio_mix_set_func(am, AV_SAMPLE_FMT_FLTP, AV_MIX_COEFF_TYPE_FLT,
50 2, 1, 16, 8, "SSE", ff_mix_2_to_1_fltp_flt_sse);
51 ff_audio_mix_set_func(am, AV_SAMPLE_FMT_FLTP, AV_MIX_COEFF_TYPE_FLT,
52 1, 2, 16, 4, "SSE", ff_mix_1_to_2_fltp_flt_sse);
54 if (mm_flags & AV_CPU_FLAG_SSE2 && HAVE_SSE) {
55 ff_audio_mix_set_func(am, AV_SAMPLE_FMT_S16P, AV_MIX_COEFF_TYPE_FLT,
56 2, 1, 16, 8, "SSE2", ff_mix_2_to_1_s16p_flt_sse2);
57 ff_audio_mix_set_func(am, AV_SAMPLE_FMT_S16P, AV_MIX_COEFF_TYPE_Q8,
58 2, 1, 16, 8, "SSE2", ff_mix_2_to_1_s16p_q8_sse2);
60 if (mm_flags & AV_CPU_FLAG_SSE4 && HAVE_SSE) {
61 ff_audio_mix_set_func(am, AV_SAMPLE_FMT_S16P, AV_MIX_COEFF_TYPE_FLT,
62 2, 1, 16, 8, "SSE4", ff_mix_2_to_1_s16p_flt_sse4);
64 if (mm_flags & AV_CPU_FLAG_AVX && HAVE_AVX) {
65 ff_audio_mix_set_func(am, AV_SAMPLE_FMT_FLTP, AV_MIX_COEFF_TYPE_FLT,
66 2, 1, 32, 16, "AVX", ff_mix_2_to_1_fltp_flt_avx);
67 ff_audio_mix_set_func(am, AV_SAMPLE_FMT_FLTP, AV_MIX_COEFF_TYPE_FLT,
68 1, 2, 32, 8, "AVX", ff_mix_1_to_2_fltp_flt_avx);