epan/codecs.h

   1 /* codecs.h
   2  * codecs interface   2007 Tomas Kukosa
   3  *
   4  * $Id$
   5  *
   6  * Wireshark - Network traffic analyzer
   7  * By Gerald Combs <gerald@wireshark.org>
   8  * Copyright 1998 Gerald Combs
   9  *
  10  * This program is free software; you can redistribute it and/or
  11  * modify it under the terms of the GNU General Public License
  12  * as published by the Free Software Foundation; either version 2
  13  * of the License, or (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License
  21  * along with this program; if not, write to the Free Software
  22  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  23  */
  24
  25 #ifndef _CODECS_H_
  26 #define _CODECS_H_
  27
  28 #include <epan/epan.h>
  29 #include "ws_symbol_export.h"
  30
  31 struct codec_handle;
  32 typedef struct codec_handle *codec_handle_t;
  33
  34 typedef void *(*codec_init_fn)(void);
  35 typedef void (*codec_release_fn)(void *context);
  36 typedef int (*codec_decode_fn)(void *context, const void *input, int inputSizeBytes, void *output, int *outputSizeBytes);
  37
  38 WS_DLL_PUBLIC void register_codec(const char *name, codec_init_fn init_fn, codec_release_fn release_fn, codec_decode_fn decode_fn);
  39 WS_DLL_PUBLIC codec_handle_t find_codec(const char *name);
  40 WS_DLL_PUBLIC void *codec_init(codec_handle_t codec);
  41 WS_DLL_PUBLIC void codec_release(codec_handle_t codec, void *context);
  42 WS_DLL_PUBLIC int codec_decode(codec_handle_t codec, void *context, const void *input, int inputSizeBytes, void *output, int *outputSizeBytes);
  43
  44 #endif