1/*
2 * Opus encoder assembly optimizations
3 * Copyright (C) 2017 Ivan Kalvachev <ikalvachev@gmail.com>
4 *
5 * This file is part of FFmpeg.
6 *
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.
11 *
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.
16 *
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
20 */
21
22#include "config.h"
23
24#include "libavutil/attributes.h"
25#include "libavutil/x86/cpu.h"
26#include "libavcodec/opus_pvq.h"
27
28extern float ff_pvq_search_approx_sse2(float *X, int *y, int K, int N);
29extern float ff_pvq_search_approx_sse4(float *X, int *y, int K, int N);
30extern float ff_pvq_search_exact_avx  (float *X, int *y, int K, int N);
31
32av_cold void ff_celt_pvq_init_x86(CeltPVQ *s)
33{
34    int cpu_flags = av_get_cpu_flags();
35
36    if (EXTERNAL_SSE2(cpu_flags))
37        s->pvq_search = ff_pvq_search_approx_sse2;
38
39    if (EXTERNAL_SSE4(cpu_flags))
40        s->pvq_search = ff_pvq_search_approx_sse4;
41
42    if (EXTERNAL_AVX_FAST(cpu_flags))
43        s->pvq_search = ff_pvq_search_exact_avx;
44}
45