1 /*
2 * ARM NEON optimised audio 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 <stdint.h>
23
24 #include "libavutil/attributes.h"
25 #include "libavcodec/audiodsp.h"
26 #include "audiodsp_arm.h"
27
28 void ff_vector_clipf_neon(float *dst, const float *src, int len, float min, float max);
29 void ff_vector_clip_int32_neon(int32_t *dst, const int32_t *src, int32_t min,
30 int32_t max, unsigned int len);
31
32 int32_t ff_scalarproduct_int16_neon(const int16_t *v1, const int16_t *v2, int len);
33
ff_audiodsp_init_neon(AudioDSPContext * c)34 av_cold void ff_audiodsp_init_neon(AudioDSPContext *c)
35 {
36 c->vector_clip_int32 = ff_vector_clip_int32_neon;
37 c->vector_clipf = ff_vector_clipf_neon;
38
39 c->scalarproduct_int16 = ff_scalarproduct_int16_neon;
40 }
41