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133 lines
3.5 KiB
133 lines
3.5 KiB
/*
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* $Id: AmPlugIn.h,v 1.9.2.2 2005/04/20 11:56:28 rco Exp $
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*
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* Copyright (C) 2002-2003 Fhg Fokus
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*
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* This file is part of sems, a free SIP media server.
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*
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* sems is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version
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*
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* For a license to use the ser software under conditions
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* other than those described here, or to purchase support for this
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* software, please contact iptel.org by e-mail at the following addresses:
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* info@iptel.org
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*
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* sems is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef _AmPlugIn_h_
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#define _AmPlugIn_h_
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#include <string>
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#include <map>
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#include <vector>
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using std::string;
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using std::map;
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using std::vector;
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class AmStateFactory;
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struct amci_exports_t;
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struct amci_codec_t;
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struct amci_payload_t;
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struct amci_inoutfmt_t;
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struct amci_subtype_t;
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/**
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* Container for loaded Plug-ins.
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*/
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class AmPlugIn
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{
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public:
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enum PlugInType {
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Audio,
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App
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};
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private:
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static AmPlugIn* _instance;
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vector<void*> dlls;
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map<int,amci_codec_t*> codecs;
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map<int,amci_payload_t*> payloads;
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map<string,amci_inoutfmt_t*> file_formats;
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map<string,AmStateFactory*> name2app;
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int dynamic_pl; // range: 96->127, see RFC 1890
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AmPlugIn();
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~AmPlugIn();
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/** @return -1 if failed, else 0. */
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int loadPlugIn(const string& file, PlugInType type);
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int loadAudioPlugIn(amci_exports_t* exports);
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int loadAppPlugIn(AmStateFactory* cb);
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int addCodec(amci_codec_t* c);
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int addPayload(amci_payload_t* p);
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int addFileFormat(amci_inoutfmt_t* f);
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public:
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static AmPlugIn* instance();
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/**
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* Loads all plug-ins from the directory given as parameter.
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* @return -1 if failed, else 0.
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*/
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int load(const string& directory, PlugInType type);
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/**
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* Payload lookup function.
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* @param payload_id Payload ID.
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* @return NULL if failed .
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*/
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amci_payload_t* payload(int payload_id);
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/** @return the suported payloads. */
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const map<int,amci_payload_t*>& getPayloads() { return payloads; }
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/**
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* File format lookup according to the
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* format name and/or file extension.
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* @param fmt_name Format name.
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* @param ext File extension.
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* @return NULL if failed.
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*/
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amci_inoutfmt_t* fileFormat(const string& fmt_name, const string& ext = "");
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/**
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* File format's subtype lookup function.
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* @param iofmt The file format.
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* @param subtype Subtype ID (see plug-in declaration for values).
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* @return NULL if failed.
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*/
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amci_subtype_t* subtype(amci_inoutfmt_t* iofmt, int subtype);
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/**
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* Codec lookup function.
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* @param id Codec ID (see amci/codecs.h).
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* @return NULL if failed.
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*/
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amci_codec_t* codec(int id);
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/**
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* Application lookup function
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* @param app_name application name
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* @return NULL if failed (-> application not found).
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*/
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AmStateFactory* getFactory4App(const string& app_name);
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};
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#endif
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// Local Variables:
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// mode:C++
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// End:
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