1/*
2 * ARM optimized Format Conversion Utils
3 *
4 * This file is part of Libav.
5 *
6 * Libav is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
10 *
11 * Libav is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with Libav; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19 */
20
21#include <stdint.h>
22
23#include "libavcodec/avcodec.h"
24#include "libavcodec/fmtconvert.h"
25
26void ff_int32_to_float_fmul_scalar_neon(float *dst, const int *src,
27                                        float mul, int len);
28
29void ff_float_to_int16_neon(int16_t *dst, const float *src, long len);
30void ff_float_to_int16_interleave_neon(int16_t *, const float **, long, int);
31
32void ff_float_to_int16_vfp(int16_t *dst, const float *src, long len);
33
34void ff_fmt_convert_init_arm(FmtConvertContext *c, AVCodecContext *avctx)
35{
36    if (HAVE_ARMVFP && HAVE_ARMV6) {
37        c->float_to_int16 = ff_float_to_int16_vfp;
38    }
39
40    if (HAVE_NEON) {
41        c->int32_to_float_fmul_scalar = ff_int32_to_float_fmul_scalar_neon;
42
43        if (!(avctx->flags & CODEC_FLAG_BITEXACT)) {
44            c->float_to_int16            = ff_float_to_int16_neon;
45            c->float_to_int16_interleave = ff_float_to_int16_interleave_neon;
46        }
47    }
48}
49