1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
|
/*
* copyright (c) 2008 Michael Niedermayer <michaelni@gmx.at>
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef AVCODEC_SYNTH_FILTER_H
#define AVCODEC_SYNTH_FILTER_H
#include "libavutil/tx.h"
#include "dcadct.h"
typedef struct SynthFilterContext {
void (*synth_filter_float)(AVTXContext *imdct,
float *synth_buf_ptr, int *synth_buf_offset,
float synth_buf2[32], const float window[512],
float out[32], float in[32],
float scale, av_tx_fn imdct_fn);
void (*synth_filter_float_64)(AVTXContext *imdct,
float *synth_buf_ptr, int *synth_buf_offset,
float synth_buf2[64], const float window[1024],
float out[64], float in[64], float scale,
av_tx_fn imdct_fn);
void (*synth_filter_fixed)(DCADCTContext *imdct,
int32_t *synth_buf_ptr, int *synth_buf_offset,
int32_t synth_buf2[32], const int32_t window[512],
int32_t out[32], const int32_t in[32]);
void (*synth_filter_fixed_64)(DCADCTContext *imdct,
int32_t *synth_buf_ptr, int *synth_buf_offset,
int32_t synth_buf2[64], const int32_t window[1024],
int32_t out[64], const int32_t in[64]);
} SynthFilterContext;
void ff_synth_filter_init(SynthFilterContext *c);
void ff_synth_filter_init_aarch64(SynthFilterContext *c);
void ff_synth_filter_init_arm(SynthFilterContext *c);
void ff_synth_filter_init_x86(SynthFilterContext *c);
#endif /* AVCODEC_SYNTH_FILTER_H */
|
