/src/ffmpeg/libavcodec/x86/celt_pvq_init.c
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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 | | |
28 | | extern float ff_pvq_search_approx_sse2(float *X, int *y, int K, int N); |
29 | | extern float ff_pvq_search_approx_sse4(float *X, int *y, int K, int N); |
30 | | extern float ff_pvq_search_exact_avx (float *X, int *y, int K, int N); |
31 | | |
32 | | av_cold void ff_celt_pvq_init_x86(CeltPVQ *s) |
33 | 72.4k | { |
34 | 72.4k | int cpu_flags = av_get_cpu_flags(); |
35 | | |
36 | 72.4k | if (EXTERNAL_SSE2(cpu_flags)) |
37 | 3.44k | s->pvq_search = ff_pvq_search_approx_sse2; |
38 | | |
39 | 72.4k | if (EXTERNAL_SSE4(cpu_flags)) |
40 | 3.44k | s->pvq_search = ff_pvq_search_approx_sse4; |
41 | | |
42 | 72.4k | if (EXTERNAL_AVX_FAST(cpu_flags)) |
43 | 3.44k | s->pvq_search = ff_pvq_search_exact_avx; |
44 | 72.4k | } |