Statistics
| Branch: | Revision:

ffmpeg / libavcodec / arm / fmtconvert_init_arm.c @ fe2ff6d2

History | View | Annotate | Download (1.69 KB)

1
/*
2
 * ARM optimized Format Conversion Utils
3
 *
4
 * This file is part of FFmpeg.
5
 *
6
 * FFmpeg 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
 * FFmpeg 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 FFmpeg; 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

    
26
void ff_int32_to_float_fmul_scalar_neon(float *dst, const int *src,
27
                                        float mul, int len);
28

    
29
void ff_float_to_int16_neon(int16_t *dst, const float *src, long len);
30
void ff_float_to_int16_interleave_neon(int16_t *, const float **, long, int);
31

    
32
void ff_float_to_int16_vfp(int16_t *dst, const float *src, long len);
33

    
34
void 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
}