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
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
|
/*
* Asterisk -- A telephony toolkit for Linux.
*
* Generic File Format Support.
*
* Copyright (C) 1999, Mark Spencer
*
* Mark Spencer <markster@linux-support.net>
*
* This program is free software, distributed under the terms of
* the GNU General Public License
*/
#ifndef _ASTERISK_FILE_H
#define _ASTERISK_FILE_H
#include <asterisk/channel.h>
#include <asterisk/frame.h>
#include <fcntl.h>
#if defined(__cplusplus) || defined(c_plusplus)
extern "C" {
#endif
/* Convenient for waiting */
#define AST_DIGIT_ANY "0123456789#*"
/* Defined by individual formats. First item MUST be a
pointer for use by the stream manager */
struct ast_filestream;
/* Register a new file format capability */
int ast_format_register(char *name, char *exts, int format,
struct ast_filestream * (*open)(int fd),
struct ast_filestream * (*rewrite)(int fd, char *comment),
int (*apply)(struct ast_channel *, struct ast_filestream *),
int (*write)(struct ast_filestream *, struct ast_frame *),
struct ast_frame * (*read)(struct ast_filestream *),
void (*close)(struct ast_filestream *),
char * (*getcomment)(struct ast_filestream *));
int ast_format_unregister(char *name);
/* Start streaming a file, in the preferred language if possible */
int ast_streamfile(struct ast_channel *c, char *filename, char *preflang);
/* Stop playback of a stream */
int ast_stopstream(struct ast_channel *c);
/* See if a given file exists in a given format. If fmt is NULL, any format is accepted.*/
int ast_fileexists(char *filename, char *fmt, char *preflang);
/* Rename a given file in a given format, or if fmt is NULL, then do so for all */
int ast_filerename(char *oldname, char *newname, char *fmt);
/* Delete a given file in a given format, or if fmt is NULL, then do so for all */
int ast_filedelete(char *filename, char *fmt);
/* Wait for a stream to stop or for any one of a given digit to arrive, Returns
0 if the stream finishes, the character if it was interrupted, and -1 on error */
char ast_waitstream(struct ast_channel *c, char *breakon);
/* Create an outgoing file stream. oflags are flags for the open() command, and
if check is non-zero, then it will not write a file if there are any files that
start with that name and have an extension */
struct ast_filestream *ast_writefile(char *filename, char *type, char *comment, int oflags, int check, mode_t mode);
/* Send a frame to a filestream -- note: does NOT free the frame, call ast_frfree manually */
int ast_writestream(struct ast_filestream *fs, struct ast_frame *f);
/* Close a playback or recording stream */
int ast_closestream(struct ast_filestream *f);
#define AST_RESERVED_POINTERS 4
#if defined(__cplusplus) || defined(c_plusplus)
}
#endif
#endif
|