1 /*
2 * ARM NEON optimised DSP functions
3 * Copyright (c) 2008 Mans Rullgard <mans@mansr.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 "libavutil/attributes.h"
23 #include "libavutil/cpu.h"
24 #include "libavutil/arm/cpu.h"
25 #include "libavcodec/vorbisdsp.h"
26
27 void ff_vorbis_inverse_coupling_neon(float *mag, float *ang,
28 intptr_t blocksize);
29
ff_vorbisdsp_init_arm(VorbisDSPContext * c)30 av_cold void ff_vorbisdsp_init_arm(VorbisDSPContext *c)
31 {
32 int cpu_flags = av_get_cpu_flags();
33
34 if (have_neon(cpu_flags)) {
35 c->vorbis_inverse_coupling = ff_vorbis_inverse_coupling_neon;
36 }
37 }
38