AudioIn.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 __AudioIn__
#define __AudioIn__

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


namespace CLAM{

class AudioIn: public Processing
{
friend class AudioManager;
friend class AudioDevice;
private:
        AudioIOConfig mConfig;
        AudioDevice* mpDevice;
public:
        AudioOutPort mOutput;

        bool ConcreteConfigure(const ProcessingConfig& c);

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

        AudioIn() :mOutput( "Audio Output",this ) { mpDevice = 0; Configure(AudioIOConfig()); }

        AudioIn(const AudioIOConfig &c) : mOutput( "Audio Output",this )  { mpDevice = 0; Configure(c); }
        ~AudioIn() { if (mpDevice) mpDevice->Unregister(*this); }

        const char * GetClassName() const {return "AudioIn";}

        bool Do(void);

        bool Do(Audio& data)
        {
                if (!AbleToExecute()) return true; // object was disabled

                mpDevice->Read(data,mConfig.GetChannelID());
                return true;
        }

        void GetDeviceInfo(AudioDevice::TInfo &) const;

        int GetChannelID() const {return mConfig.GetChannelID();}

        bool IsSyncSource() const { return true; }

protected:
        bool ConcreteStart(void);
};


};//CLAM
#endif // __AudioIn__