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
54
55
56
57
58
59
60
61
|
/*
* madplay - MPEG audio decoder and player
* Copyright (C) 2000-2004 Robert Leslie
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* $Id: filter.h,v 1.10 2004/02/17 02:26:43 rob Exp $
*/
# ifndef FILTER_H
# define FILTER_H
# include <mad.h>
typedef enum mad_flow filter_func_t(void *, struct mad_frame *);
struct filter {
int flags;
filter_func_t *func;
void *data;
struct filter *chain;
};
enum {
FILTER_FLAG_DMEM = 0x0001
};
void filter_init(struct filter *, filter_func_t *, void *, struct filter *);
# define filter_finish(filter) /* nothing */
struct filter *filter_new(filter_func_t *, void *, struct filter *);
void filter_free(struct filter *);
enum mad_flow filter_run(struct filter *, struct mad_frame *);
/* filter function prototypes */
filter_func_t gain_filter; /* mad_fixed_t *data */
filter_func_t limit_filter; /* struct player *data */
filter_func_t mono_filter; /* void *data */
filter_func_t fadein_filter; /* struct player *data */
# if defined(EXPERIMENTAL)
filter_func_t mixer_filter; /* FILE *data */
filter_func_t experimental_filter; /* void *data */
# endif
# endif
|
