Leaked source code of windows server 2003
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/***************************************************************************
*
* Copyright (C) 1999-2002 Microsoft Corporation. All Rights Reserved.
*
* File: aec.cpp
* Content: Acoustic Echo Cancellation DMO implementation.
*
***************************************************************************/
#include <windows.h>
#include "aecp.h"
#include "kshlp.h"
#include "clone.h"
#include "ksdbgprop.h"
STD_CAPTURE_CREATE(Aec)
//////////////////////////////////////////////////////////////////////////////
//
// CDirectSoundCaptureAecDMO::NDQueryInterface
//
STDMETHODIMP CDirectSoundCaptureAecDMO::NDQueryInterface
(
REFIID riid,
LPVOID *ppv
)
{
IMP_DSDMO_QI(riid, ppv);
if (riid == IID_IPersist)
{
return GetInterface((IPersist*)this, ppv);
}
else if (riid == IID_IMediaObject)
{
return GetInterface((IMediaObject*)this, ppv);
}
else if (riid == IID_IDirectSoundCaptureFXAec)
{
return GetInterface((IDirectSoundCaptureFXAec*)this, ppv);
}
#ifdef AEC_DEBUG_SUPPORT
else if (riid == IID_IDirectSoundCaptureFXMsAecPrivate)
{
return GetInterface((IDirectSoundCaptureFXMsAecPrivate*)this, ppv);
}
#endif // AEC_DEBUG_SUPPORT
else if (riid == IID_IMediaParams)
{
return GetInterface((IMediaParams*)this, ppv);
}
else if (riid == IID_IMediaParamInfo)
{
return GetInterface((IMediaParamInfo*)this, ppv);
}
else
{
return CComBase::NDQueryInterface(riid, ppv);
}
}
//////////////////////////////////////////////////////////////////////////////
//
// CDirectSoundCaptureAecDMO constructor
//
CDirectSoundCaptureAecDMO::CDirectSoundCaptureAecDMO(IUnknown *pUnk, HRESULT *phr) :
CComBase(pUnk, phr),
m_bInitialized(FALSE),
m_fEnable(TRUE),
m_fNfEnable(FALSE),
m_dwMode(DSCFX_AEC_MODE_FULL_DUPLEX),
m_fDirty(FALSE)
{
}
//////////////////////////////////////////////////////////////////////////////
//
// CDirectSoundCaptureAecDMO destructor
//
CDirectSoundCaptureAecDMO::~CDirectSoundCaptureAecDMO()
{
}
const MP_CAPS g_AecCapsAll = 0;
static ParamInfo g_params[] =
{
// index type caps min, max, neutral, unit text, label, pwchText??
AECP_Enable, MPT_BOOL, g_AecCapsAll, 0, 1, 1, L"", L"", L"",
AECP_NoiseFill, MPT_BOOL, g_AecCapsAll, 0, 1, 0, L"", L"", L"",
AECP_Mode, MPT_INT, g_AecCapsAll, 0, 1, 0, L"", L"", L"",
};
//////////////////////////////////////////////////////////////////////////////
//
// CDirectSoundCaptureAecDMO::InitOnCreation
//
HRESULT CDirectSoundCaptureAecDMO::InitOnCreation()
{
HRESULT hr = InitParams(1, &GUID_TIME_REFERENCE, 0, 0, sizeof g_params / sizeof *g_params, g_params);
return hr;
}
//////////////////////////////////////////////////////////////////////////////
//
// CDirectSoundCaptureAecDMO::Init
//
HRESULT CDirectSoundCaptureAecDMO::Init()
{
m_bInitialized = TRUE;
return S_OK;
}
//////////////////////////////////////////////////////////////////////////////
//
// CDirectSoundCaptureAecDMO::Clone
//
STDMETHODIMP CDirectSoundCaptureAecDMO::Clone(IMediaObjectInPlace **pp)
{
return StandardDMOClone<CDirectSoundCaptureAecDMO, DSCFXAec>(this, pp);
}
//////////////////////////////////////////////////////////////////////////////
//
// CDirectSoundCaptureAecDMO::Discontinuity
//
HRESULT CDirectSoundCaptureAecDMO::Discontinuity()
{
return NOERROR;
}
//////////////////////////////////////////////////////////////////////////////
//
// CDirectSoundCaptureAecDMO::FBRProcess
//
HRESULT CDirectSoundCaptureAecDMO::FBRProcess
(
DWORD cSamples,
BYTE *pIn,
BYTE *pOut
)
{
if (!m_bInitialized)
return DMO_E_TYPE_NOT_SET;
return NOERROR;
}
// ==============Implementation of the private IAec interface ==========
// ==================== needed to support the property page ===============
//////////////////////////////////////////////////////////////////////////////
//
// CDirectSoundCaptureAecDMO::SetAllParameters
//
STDMETHODIMP CDirectSoundCaptureAecDMO::SetAllParameters(LPCDSCFXAec pParm)
{
if (pParm == NULL)
{
Trace(1, "ERROR: pParm is NULL\n");
return E_POINTER;
}
HRESULT hr = SetParam(AECP_Enable, static_cast<MP_DATA>(pParm->fEnable));
if (SUCCEEDED(hr))
{
m_fDirty = true;
hr = SetParam(AECP_NoiseFill, static_cast<MP_DATA>(pParm->fNoiseFill));
}
if (SUCCEEDED(hr))
{
hr = SetParam(AECP_Mode, static_cast<MP_DATA>(pParm->dwMode));
}
return hr;
}
//////////////////////////////////////////////////////////////////////////////
//
// CDirectSoundCaptureAecDMO::GetAllParameters
//
STDMETHODIMP CDirectSoundCaptureAecDMO::GetAllParameters(LPDSCFXAec pParm)
{
if (pParm == NULL)
{
return E_POINTER;
}
MP_DATA var;
HRESULT hr = GetParam(AECP_Enable, &var);
if (SUCCEEDED(hr))
{
pParm->fEnable = (BOOL)var;
hr = GetParam(AECP_NoiseFill, &var);
}
if (SUCCEEDED(hr))
{
pParm->fNoiseFill = (BOOL)var;
hr = GetParam(AECP_Mode, &var);
}
if (SUCCEEDED(hr))
{
pParm->dwMode = (DWORD)var;
}
return hr;
}
//////////////////////////////////////////////////////////////////////////////
//
// CDirectSoundCaptureAecDMO::GetStatus
//
STDMETHODIMP CDirectSoundCaptureAecDMO::GetStatus(PDWORD pdwStatus)
{
DWORD dwStatus;
ULONG cBytes;
HRESULT hr;
if (pdwStatus == NULL)
{
return E_POINTER;
}
hr = KsGetNodeProperty
(
m_hPin,
KSPROPSETID_Acoustic_Echo_Cancel,
KSPROPERTY_AEC_STATUS,
m_ulNodeId,
&dwStatus,
sizeof dwStatus,
&cBytes
);
if (SUCCEEDED(hr))
{
*pdwStatus = dwStatus;
}
return hr;
}
//////////////////////////////////////////////////////////////////////////////
//
// CDirectSoundCaptureAecDMO::Reset
//
STDMETHODIMP CDirectSoundCaptureAecDMO::Reset()
{
return KsTopologyNodeReset(m_hPin, m_ulNodeId, true);
}
//////////////////////////////////////////////////////////////////////////////
//
// CDirectSoundCaptureAecDMO::SetParam
//
STDMETHODIMP CDirectSoundCaptureAecDMO::SetParam
(
DWORD dwParamIndex,
MP_DATA value,
bool fSkipPasssingToParamManager
)
{
HRESULT hr = S_OK;
switch (dwParamIndex)
{
case AECP_Enable:
if ((BOOL)value != m_fEnable)
{
hr = KsSetTopologyNodeEnable(m_hPin, m_ulNodeId, (BOOL)value);
if (SUCCEEDED(hr)) m_fEnable = (BOOL)value;
}
break;
case AECP_NoiseFill:
if ((BOOL)value != m_fNfEnable)
{
hr = KsSetNodeProperty(m_hPin, KSPROPSETID_Acoustic_Echo_Cancel, KSPROPERTY_AEC_NOISE_FILL_ENABLE, m_ulNodeId, &value, sizeof value);
if (SUCCEEDED(hr)) m_fNfEnable = (BOOL)value;
}
break;
case AECP_Mode:
if ((DWORD)value != m_dwMode)
{
hr = KsSetNodeProperty(m_hPin, KSPROPSETID_Acoustic_Echo_Cancel, KSPROPERTY_AEC_MODE, m_ulNodeId, &value, sizeof value);
if (SUCCEEDED(hr)) m_dwMode = (DWORD)value;
}
break;
}
if (SUCCEEDED(hr))
{
Init(); // FIXME - temp hack (sets m_bInitialized flag)
}
// Let the base class set this so it can handle all the rest of the param calls.
// Skip the base class if fSkipPasssingToParamManager. This indicates that we're
// calling the function internally using values that came from the base class --
// thus there's no need to tell it values it already knows.
return (FAILED(hr) || fSkipPasssingToParamManager) ? hr : CParamsManager::SetParam(dwParamIndex, value);
}
//////////////////////////////////////////////////////////////////////////////
//
// CDirectSoundCaptureAecDMO::GetParam
//
STDMETHODIMP CDirectSoundCaptureAecDMO::GetParam
(
DWORD dwParamIndex,
MP_DATA* value
)
{
HRESULT hr = S_OK;
BOOL fTemp;
DWORD dwTemp;
ULONG cBytes;
switch (dwParamIndex)
{
case AECP_Enable:
hr = KsGetTopologyNodeEnable(m_hPin, m_ulNodeId, &fTemp);
if (SUCCEEDED(hr))
{
m_fEnable = fTemp;
*value = (MP_DATA)fTemp;
}
break;
case AECP_NoiseFill:
hr = KsGetNodeProperty(m_hPin, KSPROPSETID_Acoustic_Echo_Cancel, KSPROPERTY_AEC_NOISE_FILL_ENABLE, m_ulNodeId, &fTemp, sizeof fTemp, &cBytes);
if (SUCCEEDED(hr))
{
m_fNfEnable = fTemp;
*value = (MP_DATA)fTemp;
}
break;
case AECP_Mode:
hr = KsGetNodeProperty(m_hPin, KSPROPSETID_Acoustic_Echo_Cancel, KSPROPERTY_AEC_MODE, m_ulNodeId, &dwTemp, sizeof dwTemp, &cBytes);
if (SUCCEEDED(hr))
{
m_dwMode = dwTemp;
*value = (MP_DATA)dwTemp;
}
break;
}
return hr;
}
//////////////////////////////////////////////////////////////////////////////
//
// CDirectSoundCaptureAecDMO::ProcessInPlace
//
HRESULT CDirectSoundCaptureAecDMO::ProcessInPlace
(
ULONG ulQuanta,
LPBYTE pcbData,
REFERENCE_TIME rtStart,
DWORD dwFlags
)
{
// Update parameter values from any curves that may be in effect.
// Do this in the same order as SetAllParameters in case there are any interdependencies.
return FBRProcess(ulQuanta, pcbData, pcbData);
}
#ifdef AEC_DEBUG_SUPPORT
//////////////////////////////////////////////////////////////////////////////
//
// CDirectSoundCaptureAecDMO::GetSynchStreamFlag
//
STDMETHODIMP
CDirectSoundCaptureAecDMO::GetSynchStreamFlag
(
PBOOL pfSynchStreamFlag
)
{
HRESULT hr = DS_OK;
ULONG cbDataReturned = 0;
if (!pfSynchStreamFlag)
return E_INVALIDARG;
*pfSynchStreamFlag = 0;
hr = KsGetNodeProperty
(
m_hPin,
KSPROPSETID_DebugAecValue,
KSPROPERTY_DEBUGAECVALUE_SYNCHSTREAM,
m_ulNodeId,
pfSynchStreamFlag,
sizeof BOOL,
&cbDataReturned
);
return hr;
}
//////////////////////////////////////////////////////////////////////////////
//
// CDirectSoundCaptureAecDMO::GetNoiseMagnitude
//
STDMETHODIMP
CDirectSoundCaptureAecDMO::GetNoiseMagnitude
(
PVOID pvData,
ULONG cbData,
PULONG pcbDataReturned
)
{
HRESULT hr = DS_OK;
if ((cbData && !pvData) || !pcbDataReturned || (cbData % sizeof FLOAT))
return E_INVALIDARG;
*pcbDataReturned = 0;
hr = KsGetNodeProperty
(
m_hPin,
KSPROPSETID_DebugAecValue,
KSPROPERTY_DEBUGAECARRAY_NOISEMAGNITUDE,
m_ulNodeId,
pvData,
cbData,
pcbDataReturned
);
return hr;
}
#endif // AEC_DEBUG_SUPPORT