soundioplcinterface.h

MiniSip Client with DomainKeys Authentication, Sip, Audio communications, Echo Cancel

/*
 Copyright (C) 2004-2006 the Minisip Team
 
 This library is free software; you can redistribute it and/or
 modify it under the terms of the GNU Lesser General Public
 License as published by the Free Software Foundation; either
 version 2.1 of the License, or (at your option) any later version.
 
 This library is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 Lesser General Public License for more details.
 
 You should have received a copy of the GNU Lesser General Public
 License along with this library; if not, write to the Free Software
 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
 */

/* Copyright (C) 2004 
 *
 * Authors: Erik Eliasson <[e-mail]>
 *          Johan Bilien <[e-mail]>
*/

/*
 * Purpose
 * 	In VoIP buffer underflows are common. Instead of playing silence or 
 * 	white noice, more advanced Packet Loss Concealment methods may 
 * 	be used. This is the interface used by the SoundCard to request
 * 	such plc generated sound.
 * Author Erik Eliasson, [e-mail]
 */

#ifndef SOUNDCARDPLCINTERFACE_H
#define SOUNDCARDPLCINTERFACE_H

#include<libminisip/libminisip_config.h>

/**
 * @author Erik Eliasson */
class LIBMINISIP_API SoundIOPLCInterface{

	public:
		virtual short *get_plc_sound(uint32_t &ret_size)=0;
		virtual ~SoundIOPLCInterface() {}
};


#endif