Main Page
Related Pages
Modules
Data Structures
Files
Examples
File List
Globals
libavcodec
arm
fmtconvert_init_arm.c
Go to the documentation of this file.
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
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
}