source: roaraudio/include/libroar/roardl.h @ 3301:9d6e6d3bb1eb

Last change on this file since 3301:9d6e6d3bb1eb was 3301:9d6e6d3bb1eb, checked in by phi, 14 years ago

some support for unload function

File size: 3.7 KB
Line 
1//roardl.h:
2
3/*
4 *      Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2010
5 *
6 *  This file is part of libroar a part of RoarAudio,
7 *  a cross-platform sound system for both, home and professional use.
8 *  See README for details.
9 *
10 *  This file is free software; you can redistribute it and/or modify
11 *  it under the terms of the GNU General Public License version 3
12 *  as published by the Free Software Foundation.
13 *
14 *  libroar is distributed in the hope that it will be useful,
15 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
16 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17 *  GNU General Public License for more details.
18 *
19 *  You should have received a copy of the GNU General Public License
20 *  along with this software; see the file COPYING.  If not, write to
21 *  the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
22 *
23 *  NOTE for everyone want's to change something and send patches:
24 *  read README and HACKING! There a addition information on
25 *  the license of this document you need to read before you send
26 *  any patches.
27 *
28 *  NOTE for uses of non-GPL (LGPL,...) software using libesd, libartsc
29 *  or libpulse*:
30 *  The libs libroaresd, libroararts and libroarpulse link this lib
31 *  and are therefore GPL. Because of this it may be illigal to use
32 *  them with any software that uses libesd, libartsc or libpulse*.
33 */
34
35#ifndef _LIBROARROARDL_H_
36#define _LIBROARROARDL_H_
37
38#include "libroar.h"
39
40#define ROAR_DL_HANDLE_DEFAULT          ((struct roar_dl_lhandle*)(void*)0)
41#define ROAR_DL_HANDLE_NEXT             ((struct roar_dl_lhandle*)(void*)1)
42
43#define ROAR_DL_FN_DSTR                 0
44#define ROAR_DL_FN_CDRIVER              1
45#define ROAR_DL_FN_TRANSCODER           2
46#define ROAR_DL_FN_DRIVER               3
47#define ROAR_DL_FN_SOURCE               4
48#define ROAR_DL_FN_FILTER               5
49#define ROAR_DL_FN_FF                   6 /* file format */
50#define ROAR_DL_FN_AUTH                 7
51#define ROAR_DL_FN_BRIDGE               8
52#define ROAR_DL_FN_ROARDSCHED           9
53#define ROAR_DL_FN_APPSCHED            10
54//#define ROAR_DL_FN_               9
55#define ROAR_DL_FN_MAX                 16
56
57#define ROAR_DL_LIBPARA_VERSION         0
58#define ROAR_DL_LIBINST_VERSION         0
59
60#define ROAR_DL_PLUGIN(lib) struct roar_dl_libraryinst *                                          \
61                             _roaraudio_library_init(struct roar_dl_librarypara * para) {         \
62                              return _##lib##_roaraudio_library_init(para);                       \
63                            }                                                                     \
64                            struct roar_dl_libraryinst *                                          \
65                             _##lib##_roaraudio_library_init(struct roar_dl_librarypara * para)   \
66
67struct roar_dl_librarypara {
68 int version;
69 size_t len;
70};
71
72struct roar_dl_libraryinst {
73 int      version;
74 size_t   len;
75 int    (*unload)(struct roar_dl_librarypara * para, struct roar_dl_libraryinst * lib);
76 int    (*func[ROAR_DL_FN_MAX])(struct roar_dl_librarypara * para, struct roar_dl_libraryinst * lib);
77};
78
79struct roar_dl_lhandle {
80 struct roar_dl_librarypara * para;
81 struct roar_dl_libraryinst * lib;
82#if defined(ROAR_HAVE_LIBDL)
83 void * handle;
84#else
85 char dummy[8];
86#endif
87};
88
89struct roar_dl_lhandle * roar_dl_open(const char * filename, int flags, int ra_init);
90int                      roar_dl_close(struct roar_dl_lhandle * lhandle);
91
92void                   * roar_dl_getsym(struct roar_dl_lhandle * lhandle, const char * sym, int type);
93
94int                      roar_dl_ra_init(struct roar_dl_lhandle * lhandle, const char * prefix);
95
96#endif
97
98//ll
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