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sdp.cpp

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    sdp.cpp 13.61 KiB
    /*
     *  Copyright (C) 2009 Savoir-Faire Linux inc.
     *
     *  Author: Emmanuel Milou <emmanuel.milou@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.
     */
    
    #include "sdp.h"
    #include "global.h"
    #include "manager.h"
    
    
    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_SDP_NAME = { (char*)"sflphone", 8 };
    static const pj_str_t STR_SENDRECV = { (char*)"sendrecv", 8 };
    
    Sdp::Sdp( pj_pool_t *pool ) 
        : _local_media_cap(), _session_media(0),  _ip_addr( "" ), _local_offer( NULL ), _negociated_offer(NULL), _negociator(NULL), _pool(NULL), _local_extern_audio_port(0) 
    {
        _pool = pool;
    }
    
    Sdp::~Sdp() {
    
        //unsigned int k;
    
        /*
        for( k=0; k<_session_media.size(); k++ ){
            delete _session_media[k];
            _session_media[k] = 0;
        }*/
    
        //for( k=0; k<_local_media_cap.size(); k++ ){
          //  delete _local_media_cap[k];
            //_local_media_cap[k] = 0;
        //}
    }
    
    void Sdp::set_media_descriptor_line( sdpMedia *media, pjmedia_sdp_media** p_med ) {
    
        pjmedia_sdp_media* med;
        pjmedia_sdp_rtpmap rtpmap;
        pjmedia_sdp_attr *attr;
        AudioCodec *codec;
        int count, i;
        std::string tmp;
    
        med = PJ_POOL_ZALLOC_T( _pool, pjmedia_sdp_media );
    
        // Get the right media format
        pj_strdup(_pool, &med->desc.media,
                ( media->get_media_type() == MIME_TYPE_AUDIO ) ? &STR_AUDIO : &STR_VIDEO );