AudioMixer.hxx

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/*
 * Copyright (c) 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 _AudioMixer_hxx__
#define _AudioMixer_hxx__

#include "Processing.hxx"
#include "AudioOutPort.hxx"
#include "AudioInPort.hxx"
#include "Audio.hxx"
#include "InControl.hxx"

namespace CLAM
{

class AudioMixerConfig: public ProcessingConfig
{
public:
        DYNAMIC_TYPE_USING_INTERFACE (AudioMixerConfig, 2, ProcessingConfig);
        DYN_ATTRIBUTE (0, public, int, NumberOfInPorts);
        DYN_ATTRIBUTE (1, public, CLAM::Array<TControlData>, DefaultGains);

protected:
        void DefaultInit(void)
        {
                AddAll();
                UpdateData();
                unsigned int numberOfInPorts=2;
                SetNumberOfInPorts(numberOfInPorts);
                CLAM::Array<TControlData> gains;
                gains.Resize(numberOfInPorts);
                gains.SetSize(numberOfInPorts);
                for (unsigned portNumber=0;portNumber<numberOfInPorts;portNumber++)
                {
                        gains[portNumber]=1;
                }
                SetDefaultGains(gains);
        }

};

class AudioMixer: public Processing
{
private:
        AudioMixerConfig  mConfig;

        std::vector< AudioInPort* > mInputPorts;
        AudioOutPort     mOutputPort;           
        std::vector< FloatInControl* > mInputControls;
        
        void RemovePortsAndControls();
        void CreatePortsAndControls();

public:
        bool ConcreteConfigure(const ProcessingConfig& c);
        AudioMixer();
        virtual ~AudioMixer()
        {
                RemovePortsAndControls();
        }
        bool ModifiesPortsAndControlsAtConfiguration()
        {
                return true;
        }

        const char * GetClassName() const {return "AudioMixer";}
        const ProcessingConfig &GetConfig() const { return mConfig;}
        bool Do();
};

} // namespace CLAM

#endif // __AudioMixer_hxx__