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sdp.cpp

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    sdp.cpp 22.53 KiB
    /*
     *  Copyright (C) 2004, 2005, 2006, 2008, 2009, 2010, 2011 Savoir-Faire Linux Inc.
     *
     *  Author: Emmanuel Milou <emmanuel.milou@savoirfairelinux.com>
     *  Author: Alexandre Savard <alexandre.savard@savoirfairelinux.com>
     *
     *  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 3 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
     *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     *  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., 675 Mass Ave, Cambridge, MA 02139, USA.
     *
     *  Additional permission under GNU GPL version 3 section 7:
     *
     *  If you modify this program, or any covered work, by linking or
     *  combining it with the OpenSSL project's OpenSSL library (or a
     *  modified version of that library), containing parts covered by the
     *  terms of the OpenSSL or SSLeay licenses, Savoir-Faire Linux Inc.
     *  grants you additional permission to convey the resulting work.
     *  Corresponding Source for a non-source form of such a combination
     *  shall include the source code for the parts of OpenSSL used as well
     *  as that of the covered work.
     */
    
    #include "sdp.h"
    #include "sdpmedia.h"
    #include "global.h"
    #include "manager.h"
    static const char* const ZRTP_VERSION = "1.10";
    
    static const pj_str_t STR_AUDIO = { (char*) "audio", 5};
    static const pj_str_t STR_VIDEO = { (char*) "video", 5};
    static const pj_str_t STR_IN = { (char*) "IN", 2 };
    static const pj_str_t STR_IP4 = { (char*) "IP4", 3};
    static const pj_str_t STR_IP6 = { (char*) "IP6", 3};
    static const pj_str_t STR_RTP_AVP = { (char*) "RTP/AVP", 7 };
    static const pj_str_t STR_RTP_SAVP = { (char*) "RTP/SAVP", 8 };
    static const pj_str_t STR_SDP_NAME = { (char*) "sflphone", 8 };
    static const pj_str_t STR_SENDRECV = { (char*) "sendrecv", 8 };
    static const pj_str_t STR_RTPMAP = { (char*) "rtpmap", 6 };
    static const pj_str_t STR_CRYPTO = { (char*) "crypto", 6 };
    static const pj_str_t STR_TELEPHONE_EVENT = { (char*) "telephone-event", 15};
    
    
    Sdp::Sdp (pj_pool_t *pool)
        : memPool_(pool)
    	, negotiator_(NULL)
        , localSession_(NULL)
    	, remoteSession_(NULL)
        , activeLocalSession_(NULL)
        , activeRemoteSession_(NULL)
        , localAudioMediaCap_()
        , sessionAudioMedia_(0)
        , localIpAddr_("")
    	, remoteIpAddr_("")
        , localAudioPort_(0)
    	, remoteAudioPort_(0)
    	, zrtpHelloHash_("")
    	, srtpCrypto_()
        , telephoneEventPayload_(101) // same as asterisk
    {
    }