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// enginemicrophone.h
// created 3/16/2011 by RJ Ryan (rryan@mit.edu)
#ifndef ENGINEMICROPHONE_H
#define ENGINEMICROPHONE_H
#include <QScopedPointer>
#include "control/controlproxy.h"
#include "control/controlpushbutton.h"
#include "engine/channels/enginechannel.h"
#include "engine/enginevumeter.h"
#include "util/circularbuffer.h"
#include "soundio/soundmanagerutil.h"
class EngineEffectsManager;
class ControlAudioTaperPot;
// EngineMicrophone is an EngineChannel that implements a mixing source whose
// samples are fed directly from the SoundManager
class EngineMicrophone : public EngineChannel, public AudioDestination {
Q_OBJECT
public:
EngineMicrophone(const ChannelHandleAndGroup& handle_group,
EffectsManager* pEffectsManager);
virtual ~EngineMicrophone();
bool isActive();
// Called by EngineMaster whenever is requesting a new buffer of audio.
virtual void process(CSAMPLE* pOutput, const int iBufferSize);
virtual void collectFeatures(GroupFeatureState* pGroupFeatures) const;
virtual void postProcess(const int iBufferSize) { Q_UNUSED(iBufferSize) }
// This is called by SoundManager whenever there are new samples from the
// configured input to be processed. This is run in the callback thread of
// the soundcard this AudioDestination was registered for! Beware, in the
// case of multiple soundcards, this method is not re-entrant but it may be
// concurrent with EngineMaster processing.
virtual void receiveBuffer(AudioInput input, const CSAMPLE* pBuffer,
unsigned int iNumSamples);
// Called by SoundManager whenever the microphone input is connected to a
// soundcard input.
virtual void onInputConfigured(AudioInput input);
// Called by SoundManager whenever the microphone input is disconnected from
// a soundcard input.
virtual void onInputUnconfigured(AudioInput input);
bool isSolo();
double getSoloDamping();
private:
QScopedPointer<ControlObject> m_pInputConfigured;
ControlAudioTaperPot* m_pPregain;
bool m_wasActive;
};
#endif /* ENGINEMICROPHONE_H */
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