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conference.cpp

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    conference.cpp 4.69 KiB
    /*
     *  Copyright (C) 2004-2013 Savoir-Faire Linux Inc.
     *  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., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301 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 <sstream>
    
    #include "conference.h"
    #include "manager.h"
    #include "audio/audiolayer.h"
    #include "audio/mainbuffer.h"
    
    #ifdef SFL_VIDEO
    #include "sip/sipvoiplink.h"
    #include "sip/sipcall.h"
    #include "client/video_controls.h"
    #include "video/video_camera.h"
    #endif
    
    #include "logger.h"
    
    
    Conference::Conference()
        : id_(Manager::instance().getNewCallID())
        , confState_(ACTIVE_ATTACHED)
        , participants_()
    #ifdef SFL_VIDEO
        , videoMixer_(new sfl_video::VideoMixer(id_))
    #endif
    {
        Recordable::initRecFilename(id_);
    }
    
    Conference::~Conference()
    {
    #ifdef SFL_VIDEO
        for (const auto &participant_id : participants_)
            SIPVoIPLink::instance()->getSipCall(participant_id)->getVideoRtp().exitConference();
    #endif // SFL_VIDEO
    }
    
    Conference::ConferenceState Conference::getState() const
    {
        return confState_;
    }
    
    void Conference::setState(ConferenceState state)
    {
        confState_ = state;
    }
    
    void Conference::add(const std::string &participant_id)
    {
        if (participants_.insert(participant_id).second) {
    #ifdef SFL_VIDEO
        SIPVoIPLink::instance()->getSipCall(participant_id)->getVideoRtp().enterConference(this);
    #endif // SFL_VIDEO
        }
    }
    
    void Conference::remove(const std::string &participant_id)
    {
        if (participants_.erase(participant_id)) {
    #ifdef SFL_VIDEO
            SIPVoIPLink::instance()->getSipCall(participant_id)->getVideoRtp().exitConference();
    #endif // SFL_VIDEO
        }
    }
    
    void Conference::bindParticipant(const std::string &participant_id)
    {
        auto &mainBuffer = Manager::instance().getMainBuffer();
    
        for (const auto &item : participants_) {
            if (participant_id != item)
                mainBuffer.bindCallID(participant_id, item);
            mainBuffer.flush(item);
        }
    
        mainBuffer.bindCallID(participant_id, MainBuffer::DEFAULT_ID);
        mainBuffer.flush(MainBuffer::DEFAULT_ID);
    }
    
    std::string Conference::getStateStr() const
    {
        switch (confState_) {
            case ACTIVE_ATTACHED:
                return "ACTIVE_ATTACHED";
            case ACTIVE_DETACHED:
                return "ACTIVE_DETACHED";
            case ACTIVE_ATTACHED_REC:
                return "ACTIVE_ATTACHED_REC";
            case ACTIVE_DETACHED_REC:
                return "ACTIVE_DETACHED_REC";
            case HOLD:
                return "HOLD";
            case HOLD_REC:
                return "HOLD_REC";
            default:
                return "";
        }
    }
    
    ParticipantSet Conference::getParticipantList() const
    {
        return participants_;
    }
    
    bool Conference::toggleRecording()
    {
        const bool startRecording = Recordable::recAudio_.toggleRecording();
        MainBuffer &mbuffer = Manager::instance().getMainBuffer();
    
        std::string process_id(Recordable::recorder_.getRecorderID());
    
        // start recording
        if (startRecording) {
            for (const auto &item : participants_)
                mbuffer.bindHalfDuplexOut(process_id, item);
    
            mbuffer.bindHalfDuplexOut(process_id, MainBuffer::DEFAULT_ID);
    
            Recordable::recorder_.start();
        } else {
            for (const auto &item : participants_)
                mbuffer.unBindHalfDuplexOut(process_id, item);
    
            mbuffer.unBindHalfDuplexOut(process_id, MainBuffer::DEFAULT_ID);
        }
    
        return startRecording;
    }
    
    std::string Conference::getConfID() const {
        return id_;
    }
    
    #ifdef SFL_VIDEO
    std::shared_ptr<sfl_video::VideoMixer> Conference::getVideoMixer()
    {
        return videoMixer_;
    }
    #endif