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//
// KWSApo.h -- Copyright (c) Microsoft Corporation. All rights reserved.
//
// Description:
//
// Declaration of the CKWSApoEFX class.
//
#pragma once
#include <audioenginebaseapo.h>
#include <BaseAudioProcessingObject.h>
#include <KWSApoInterface.h>
#include <KWSApoDll.h>
#include <commonmacros.h>
#include <devicetopology.h>
#include <audioengineextensionapo.h>
#include <wil\com.h>
_Analysis_mode_(_Analysis_code_type_user_driver_)
#pragma AVRT_VTABLES_BEGIN
// KWS APO class - EFX
class CKWSApoEFX :
public CComObjectRootEx<CComMultiThreadModel>,
public CComCoClass<CKWSApoEFX, &CLSID_KWSApoEFX>,
public CBaseAudioProcessingObject,
public IMMNotificationClient,
public IAudioSystemEffects3,
public IAudioProcessingObjectNotifications,
public IKWSApoEFX
{
public:
// constructor
CKWSApoEFX()
: CBaseAudioProcessingObject(sm_RegProperties)
{
}
virtual ~CKWSApoEFX(); // destructor
DECLARE_REGISTRY_RESOURCEID(IDR_KWSAPOEFX)
BEGIN_COM_MAP(CKWSApoEFX)
COM_INTERFACE_ENTRY(IKWSApoEFX)
COM_INTERFACE_ENTRY(IAudioSystemEffects)
COM_INTERFACE_ENTRY(IAudioSystemEffects2)
COM_INTERFACE_ENTRY(IAudioSystemEffects3)
COM_INTERFACE_ENTRY(IAudioProcessingObjectNotifications)
COM_INTERFACE_ENTRY(IMMNotificationClient)
COM_INTERFACE_ENTRY(IAudioProcessingObjectRT)
COM_INTERFACE_ENTRY(IAudioProcessingObject)
COM_INTERFACE_ENTRY(IAudioProcessingObjectConfiguration)
END_COM_MAP()
DECLARE_PROTECT_FINAL_CONSTRUCT()
public:
STDMETHOD_(void, APOProcess)(UINT32 u32NumInputConnections,
APO_CONNECTION_PROPERTY** ppInputConnections, UINT32 u32NumOutputConnections,
APO_CONNECTION_PROPERTY** ppOutputConnections);
STDMETHOD(GetLatency)(HNSTIME* pTime);
STDMETHOD(LockForProcess)(UINT32 u32NumInputConnections,
APO_CONNECTION_DESCRIPTOR** ppInputConnections,
UINT32 u32NumOutputConnections, APO_CONNECTION_DESCRIPTOR** ppOutputConnections);
STDMETHOD(Initialize)(UINT32 cbDataSize, BYTE* pbyData);
// IAudioSystemEffects2
STDMETHOD(GetEffectsList)(_Outptr_result_buffer_maybenull_(*pcEffects) LPGUID *ppEffectsIds, _Out_ UINT *pcEffects, _In_ HANDLE Event);
// IAudioProcessingObject
STDMETHOD(IsInputFormatSupported)(IAudioMediaType *pOutputFormat, IAudioMediaType *pRequestedInputFormat, IAudioMediaType **ppSupportedInputFormat);
STDMETHOD(IsOutputFormatSupported)(IAudioMediaType *pInputFormat, IAudioMediaType *pRequestedOutputFormat, IAudioMediaType **ppSupportedOutputFormat);
STDMETHOD(GetInputChannelCount)(UINT32 *pu32ChannelCount);
// IMMNotificationClient
STDMETHODIMP OnDeviceStateChanged(LPCWSTR pwstrDeviceId, DWORD dwNewState)
{
UNREFERENCED_PARAMETER(pwstrDeviceId);
UNREFERENCED_PARAMETER(dwNewState);
return S_OK;
}
STDMETHODIMP OnDeviceAdded(LPCWSTR pwstrDeviceId)
{
UNREFERENCED_PARAMETER(pwstrDeviceId);
return S_OK;
}
STDMETHODIMP OnDeviceRemoved(LPCWSTR pwstrDeviceId)
{
UNREFERENCED_PARAMETER(pwstrDeviceId);
return S_OK;
}
STDMETHODIMP OnDefaultDeviceChanged(EDataFlow flow, ERole role, LPCWSTR pwstrDefaultDeviceId)
{
UNREFERENCED_PARAMETER(flow);
UNREFERENCED_PARAMETER(role);
UNREFERENCED_PARAMETER(pwstrDefaultDeviceId);
return S_OK;
}
STDMETHODIMP OnPropertyValueChanged(LPCWSTR pwstrDeviceId, const PROPERTYKEY key)
{
UNREFERENCED_PARAMETER(pwstrDeviceId);
UNREFERENCED_PARAMETER(key);
return S_OK;
}
// IAudioSystemEffects3
STDMETHOD(GetControllableSystemEffectsList)(_Outptr_result_buffer_maybenull_(*numEffects) AUDIO_SYSTEMEFFECT** effects, _Out_ UINT* numEffects, _In_opt_ HANDLE event) override;
STDMETHODIMP SetAudioSystemEffectState(GUID, AUDIO_SYSTEMEFFECT_STATE) override {return S_OK;}
// IAudioProcessingObjectNotifications
STDMETHODIMP GetApoNotificationRegistrationInfo(_Out_writes_(*count) APO_NOTIFICATION_DESCRIPTOR** apoNotifications, _Out_ DWORD* count) override
{
UNREFERENCED_PARAMETER(apoNotifications);
UNREFERENCED_PARAMETER(count);
return S_OK;
}
STDMETHODIMP_(void) HandleNotification(_In_ APO_NOTIFICATION* apoNotification) override
{
UNREFERENCED_PARAMETER(apoNotification);
}
public:
CComPtr<IPropertyStore> m_spAPOSystemEffectsProperties;
CComPtr<IMMDeviceEnumerator> m_spEnumerator;
static const CRegAPOProperties<1> sm_RegProperties; // registration properties
INTERLEAVED_AUDIO_FORMAT_INFORMATION m_FormatInfo;
private:
BOOL m_bRegisteredEndpointNotificationCallback = FALSE;
wil::com_ptr_nothrow<IAudioProcessingObjectLoggingService> m_apoLoggingService;
};
#pragma AVRT_VTABLES_END
OBJECT_ENTRY_AUTO(__uuidof(KWSApoEFX), CKWSApoEFX)
//
// Declaration of the ProcessBuffer routine.
//
void ProcessBuffer(
FLOAT32 *pf32OutputFrames,
const FLOAT32 *pf32InputFrames,
UINT32 u32ValidFrameCount,
INTERLEAVED_AUDIO_FORMAT_INFORMATION *formatInfo);
//
// Convenience methods
//
void WriteSilence(
_Out_writes_(u32FrameCount * u32SamplesPerFrame)
FLOAT32 *pf32Frames,
UINT32 u32FrameCount,
UINT32 u32SamplesPerFrame );
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