58 lines
1.1 KiB
C++
58 lines
1.1 KiB
C++
#ifndef VOLUMECONTROLLER_H
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#define VOLUMECONTROLLER_H
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#include "GlobalDefine.h"
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#include <QObject>
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#include <endpointvolume.h>
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#include <Mmdeviceapi.h>
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#define EXTERNAL_VOLUME_INCREMENT 1
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class CAvReceiver;
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class CVolumeController : public QObject, public IAudioEndpointVolumeCallback
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{
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Q_OBJECT
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public:
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explicit CVolumeController(QObject *parent = 0);
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~CVolumeController();
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int Init(CAvReceiver *ProgramPtr);
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bool mVolumeControllerActive;
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int SetMasterVolume(float Volume);
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CAvReceiver *mProgramPtr;
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private:
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IMMDeviceEnumerator *mDeviceEnumerator ;
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IMMDevice *mAudioDevice ;
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IAudioEndpointVolume *mEndpointVolume;
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GUID mMyGUID;
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float mMasterVolume;
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// CAudioNotificationCallback *mAudioNotificationObject;
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public:
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STDMETHODIMP QueryInterface(REFIID riid, void **ppv) {
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return E_NOINTERFACE;
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}
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STDMETHODIMP_(ULONG) AddRef() {return 2;}
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STDMETHODIMP_(ULONG) Release() {return 1;}
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STDMETHODIMP OnNotify(PAUDIO_VOLUME_NOTIFICATION_DATA pNotify);
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public:
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signals:
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void ExternalVolumeChanged(float);
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public slots:
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};
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#endif // VOLUMECONTROLLER_H
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