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/* codecs.h
 * codecs interface   2007 Tomas Kukosa
 * $Id: codecs.h 23270 2007-10-25 09:38:15Z kukosa $
 * Wireshark - Network traffic analyzer
 * By Gerald Combs <gerald@wireshark.org>
 * Copyright 1998 Gerald Combs
 * 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
 * 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.

#ifndef _CODECS_H_
#define _CODECS_H_

#include "epan/epan.h"

struct codec_handle;
typedef struct codec_handle *codec_handle_t;

typedef void *(*codec_init_fn)(void);
typedef void (*codec_release_fn)(void *context);
typedef int (*codec_decode_fn)(void *context, const void *input, int inputSizeBytes, void *output, int *outputSizeBytes);

extern void register_codec(const char *name, codec_init_fn init_fn, codec_release_fn release_fn, codec_decode_fn decode_fn);
extern codec_handle_t find_codec(const char *name);
extern void *codec_init(codec_handle_t codec);
extern void codec_release(codec_handle_t codec, void *context);
extern int codec_decode(codec_handle_t codec, void *context, const void *input, int inputSizeBytes, void *output, int *outputSizeBytes);


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