2007-10-25 09:38:15 +00:00
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/* codecs.h
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* codecs interface 2007 Tomas Kukosa
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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* Copyright 1998 Gerald Combs
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2014-02-25 20:42:35 +00:00
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*
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2018-04-30 07:47:58 +00:00
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* SPDX-License-Identifier: GPL-2.0-or-later
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*/
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2007-10-25 09:38:15 +00:00
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#ifndef _CODECS_H_
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#define _CODECS_H_
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2013-12-02 08:30:29 +00:00
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#include <epan/epan.h>
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#include "ws_symbol_export.h"
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2017-09-05 16:18:00 +00:00
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#include "ws_attributes.h"
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2017-09-30 23:56:03 +00:00
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#ifdef HAVE_PLUGINS
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#include "wsutil/plugins.h"
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#endif
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2013-12-02 08:30:29 +00:00
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#ifdef __cplusplus
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extern "C" {
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#endif /* __cplusplus */
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#ifdef HAVE_PLUGINS
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2017-09-30 23:56:03 +00:00
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typedef struct {
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void (*register_codec_module)(void); /* routine to call to register a codec */
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} codecs_plugin;
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WS_DLL_PUBLIC void codecs_register_plugin(const codecs_plugin *plug);
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2013-12-02 08:30:29 +00:00
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#endif
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2016-11-28 23:53:23 +00:00
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/**
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* For all built-in codecs and codec plugins, call their register routines.
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*/
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2017-09-30 23:56:03 +00:00
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WS_DLL_PUBLIC void codecs_init(void);
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WS_DLL_PUBLIC void codecs_cleanup(void);
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2016-11-28 23:53:23 +00:00
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2016-11-28 23:58:40 +00:00
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/**
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* Get compile-time information for libraries used by libwscodecs.
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*/
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WS_DLL_PUBLIC void codec_get_compiled_version_info(GString *str);
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2007-10-25 09:38:15 +00:00
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struct codec_handle;
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typedef struct codec_handle *codec_handle_t;
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typedef void *(*codec_init_fn)(void);
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typedef void (*codec_release_fn)(void *context);
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2015-09-04 15:12:25 +00:00
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typedef unsigned (*codec_get_channels_fn)(void *context);
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typedef unsigned (*codec_get_frequency_fn)(void *context);
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typedef size_t (*codec_decode_fn)(void *context, const void *input, size_t inputSizeBytes,
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void *output, size_t *outputSizeBytes);
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2007-10-25 09:38:15 +00:00
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2015-12-03 20:32:25 +00:00
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WS_DLL_PUBLIC gboolean register_codec(const char *name, codec_init_fn init_fn,
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2012-09-14 13:08:17 +00:00
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codec_release_fn release_fn, codec_get_channels_fn channels_fn,
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codec_get_frequency_fn frequency_fn, codec_decode_fn decode_fn);
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2016-01-28 10:16:03 +00:00
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WS_DLL_PUBLIC gboolean deregister_codec(const char *name);
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2015-12-03 20:32:25 +00:00
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WS_DLL_PUBLIC codec_handle_t find_codec(const char *name);
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WS_DLL_PUBLIC void *codec_init(codec_handle_t codec);
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WS_DLL_PUBLIC void codec_release(codec_handle_t codec, void *context);
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WS_DLL_PUBLIC unsigned codec_get_channels(codec_handle_t codec, void *context);
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WS_DLL_PUBLIC unsigned codec_get_frequency(codec_handle_t codec, void *context);
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WS_DLL_PUBLIC size_t codec_decode(codec_handle_t codec, void *context, const void *input,
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2015-09-04 15:12:25 +00:00
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size_t inputSizeBytes, void *output, size_t *outputSizeBytes);
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2007-10-25 09:38:15 +00:00
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2013-12-02 08:30:29 +00:00
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#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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#endif /* _CODECS_H_ */
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2012-09-14 13:08:17 +00:00
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/*
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2019-07-26 18:43:17 +00:00
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* Editor modelines - https://www.wireshark.org/tools/modelines.html
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2012-09-14 13:08:17 +00:00
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*
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* Local variables:
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* c-basic-offset: 4
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* tab-width: 8
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* indent-tabs-mode: nil
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* End:
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*
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* vi: set shiftwidth=4 tabstop=8 expandtab:
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* :indentSize=4:tabSize=8:noTabs=true:
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*/
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