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1 office 1 /* codecs.h
2 * codecs interface 2007 Tomas Kukosa
3 *
4 * Wireshark - Network traffic analyzer
5 * By Gerald Combs <gerald@wireshark.org>
6 * Copyright 1998 Gerald Combs
7 *
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License
10 * as published by the Free Software Foundation; either version 2
11 * of the License, or (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
21 */
22  
23 #ifndef _CODECS_H_
24 #define _CODECS_H_
25  
26 #include <config.h>
27  
28 #include <epan/epan.h>
29 #include "ws_symbol_export.h"
30  
31 #ifdef __cplusplus
32 extern "C" {
33 #endif /* __cplusplus */
34  
35 #ifdef HAVE_PLUGINS
36 WS_DLL_PUBLIC void codec_register_plugin_types(void);
37 WS_DLL_PUBLIC void register_all_codecs(void);
38 #endif
39  
40 struct codec_handle;
41 typedef struct codec_handle *codec_handle_t;
42  
43 typedef void *(*codec_init_fn)(void);
44 typedef void (*codec_release_fn)(void *context);
45 typedef unsigned (*codec_get_channels_fn)(void *context);
46 typedef unsigned (*codec_get_frequency_fn)(void *context);
47 typedef size_t (*codec_decode_fn)(void *context, const void *input, size_t inputSizeBytes,
48 void *output, size_t *outputSizeBytes);
49  
50 WS_DLL_PUBLIC gboolean register_codec(const char *name, codec_init_fn init_fn,
51 codec_release_fn release_fn, codec_get_channels_fn channels_fn,
52 codec_get_frequency_fn frequency_fn, codec_decode_fn decode_fn);
53 WS_DLL_PUBLIC gboolean deregister_codec(const char *name);
54 WS_DLL_PUBLIC codec_handle_t find_codec(const char *name);
55 WS_DLL_PUBLIC void *codec_init(codec_handle_t codec);
56 WS_DLL_PUBLIC void codec_release(codec_handle_t codec, void *context);
57 WS_DLL_PUBLIC unsigned codec_get_channels(codec_handle_t codec, void *context);
58 WS_DLL_PUBLIC unsigned codec_get_frequency(codec_handle_t codec, void *context);
59 WS_DLL_PUBLIC size_t codec_decode(codec_handle_t codec, void *context, const void *input,
60 size_t inputSizeBytes, void *output, size_t *outputSizeBytes);
61  
62 #ifdef __cplusplus
63 }
64 #endif /* __cplusplus */
65  
66 #endif /* _CODECS_H_ */
67  
68 /*
69 * Editor modelines - http://www.wireshark.org/tools/modelines.html
70 *
71 * Local variables:
72 * c-basic-offset: 4
73 * tab-width: 8
74 * indent-tabs-mode: nil
75 * End:
76 *
77 * vi: set shiftwidth=4 tabstop=8 expandtab:
78 * :indentSize=4:tabSize=8:noTabs=true:
79 */