AudioOut.hxx

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/* Copyright (c) 2001-2004 MUSIC TECHNOLOGY GROUP (MTG)
 *                         UNIVERSITAT POMPEU FABRA
 *
 *
 * 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 2 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 */



#ifndef __AudioOut__
#define __AudioOut__

#include "AudioIO.hxx"
#include "Processing.hxx"
#include "Audio.hxx"
#include "AudioDevice.hxx"
#include "AudioInPort.hxx"

namespace CLAM{

class AudioOut: public Processing
{
friend class AudioManager;
friend class AudioDevice;
private:
        AudioIOConfig mConfig;
        AudioDevice* mpDevice;

        AudioInPort mInput;
public:

        bool ConcreteConfigure(const ProcessingConfig& c)
         throw(ErrProcessingObj);

        const ProcessingConfig &GetConfig() const { return mConfig;}


        AudioOut();

        AudioOut( const AudioIOConfig& cfg );

        ~AudioOut();
        

        const char * GetClassName() const {return "AudioOut";}
        
        bool Do(void);

        bool Do(const Audio& data)
        {
                if (!AbleToExecute()) return true; // object was disabled
                
                mpDevice->Write(data,mConfig.GetChannelID());
                return true;
        }

        void GetDeviceInfo(AudioDevice::TInfo &) const;

        int GetChannelID() const {return mConfig.GetChannelID();}
        
        bool IsSyncSource() const { return true; }

protected:
        bool ConcreteStart();
        bool ConcreteStop();
};

};//CLAM

#endif