2 * Opus encoder assembly optimizations
3 * Copyright (C) 2017 Ivan Kalvachev <ikalvachev@gmail.com>
5 * This file is part of FFmpeg.
7 * FFmpeg is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
12 * FFmpeg is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with FFmpeg; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
24 #include "libavutil/x86/cpu.h"
25 #include "libavcodec/opus_pvq.h"
27 extern float ff_pvq_search_approx_sse2(float *X, int *y, int K, int N);
28 extern float ff_pvq_search_approx_sse4(float *X, int *y, int K, int N);
29 extern float ff_pvq_search_exact_avx (float *X, int *y, int K, int N);
31 av_cold void ff_opus_dsp_init_x86(CeltPVQ *s)
33 int cpu_flags = av_get_cpu_flags();
35 #if CONFIG_OPUS_ENCODER
36 if (EXTERNAL_SSE2(cpu_flags))
37 s->pvq_search = ff_pvq_search_approx_sse2;
39 if (EXTERNAL_SSE4(cpu_flags))
40 s->pvq_search = ff_pvq_search_approx_sse4;
42 if (EXTERNAL_AVX_FAST(cpu_flags))
43 s->pvq_search = ff_pvq_search_exact_avx;