269 lines
6.2 KiB
C++
269 lines
6.2 KiB
C++
/*
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* DirectSound DirectMediaObject base classes
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*
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* Copyright (c) 1999 Microsoft Corporation. All Rights Reserved.
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*/
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#include "DsDmoBse.h"
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#include "debug.h"
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#include <devioctl.h>
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#include <ks.h>
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#include <ksmedia.h>
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struct KSMEDIAPARAM
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{
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KSNODEPROPERTY ksnp;
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ULONG ulIndex; // Instance data is index of parameter
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};
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static BOOL SyncIoctl(
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IN HANDLE handle,
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IN ULONG ulIoctl,
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IN PVOID pvInBuffer OPTIONAL,
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IN ULONG ulInSize,
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OUT PVOID pvOutBuffer OPTIONAL,
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IN ULONG ulOutSize,
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OUT PULONG pulBytesReturned);
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// XXX C1in1out calls InitializeCriticalSection in a constructor with
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// no handler.
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//
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//////////////////////////////////////////////////////////////////////////////
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//
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// CDirectSoundDMO::CDirectSoundDMO
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//
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CDirectSoundDMO::CDirectSoundDMO()
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{
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m_mpvCache = NULL;
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m_fInHardware = false;
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m_pKsPropertySet = NULL;
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}
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//////////////////////////////////////////////////////////////////////////////
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//
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// CDirectSoundDMO::~CDirectSoundDMO
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//
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CDirectSoundDMO::~CDirectSoundDMO()
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{
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delete[] m_mpvCache;
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m_mpvCache = NULL;
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m_fInHardware = false;
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RELEASE(m_pKsPropertySet);
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}
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//////////////////////////////////////////////////////////////////////////////
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//
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// CDirectSoundDMO::GetClassID
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//
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// This should always return E_NOTIMPL
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//
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STDMETHODIMP CDirectSoundDMO::GetClassID(THIS_ CLSID *pClassID)
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{
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return E_NOTIMPL;
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}
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//////////////////////////////////////////////////////////////////////////////
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//
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// CDirectSoundDMO::IsDirty
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//
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// Override if doing something other than just standard save.
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//
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STDMETHODIMP CDirectSoundDMO::IsDirty(THIS)
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{
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return E_NOTIMPL;
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}
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//////////////////////////////////////////////////////////////////////////////
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//
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// CDirectSoundDMO::Load
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//
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// Override if doing something other than just standard load.
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//
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STDMETHODIMP CDirectSoundDMO::Load(THIS_ IStream *pStm)
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{
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return E_NOTIMPL;
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}
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//////////////////////////////////////////////////////////////////////////////
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//
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// CDirectSoundDMO::Save
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//
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// Override if doing something other than just standard save.
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//
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STDMETHODIMP CDirectSoundDMO::Save(THIS_ IStream *pStm, BOOL fClearDirty)
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{
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return E_NOTIMPL;
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}
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//////////////////////////////////////////////////////////////////////////////
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//
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// CDirectSoundDMO::GetSizeMax
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//
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// Override if doing something other than just standard save.
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//
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STDMETHODIMP CDirectSoundDMO::GetSizeMax(THIS_ ULARGE_INTEGER *pcbSize)
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{
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return E_NOTIMPL;
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}
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//////////////////////////////////////////////////////////////////////////////
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//
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// CDirectSoundDMO::Process
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//
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STDMETHODIMP CDirectSoundDMO::Process(THIS_ ULONG ulSize, BYTE *pData, REFERENCE_TIME rtStart, DWORD dwFlags)
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{
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DMO_MEDIA_TYPE *pmt = InputType();
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if (pmt == NULL)
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return E_FAIL;
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assert(pmt->formattype == FORMAT_WaveFormatEx);
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ulSize /= LPWAVEFORMATEX(pmt->pbFormat)->nBlockAlign;
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return ProcessInPlace(ulSize, pData, rtStart, dwFlags);
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}
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//////////////////////////////////////////////////////////////////////////////
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//
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// CDirectSoundDMO::GetLatency
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//
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STDMETHODIMP CDirectSoundDMO::GetLatency(THIS_ REFERENCE_TIME *prt)
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{
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*prt = 0;
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return S_OK;
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}
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//////////////////////////////////////////////////////////////////////////////
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//
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// CDirectSoundDMO::AcquireResources
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//
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// Override if doing something other than just standard save.
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//
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STDMETHODIMP CDirectSoundDMO::AcquireResources(THIS_ IKsPropertySet *pKsPropertySet)
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{
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return E_NOTIMPL;
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}
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//////////////////////////////////////////////////////////////////////////////
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//
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// CDirectSoundDMO::ReleaseResources
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//
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// Override if doing something other than just standard save.
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//
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STDMETHODIMP CDirectSoundDMO::ReleaseResources(THIS_)
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{
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return E_NOTIMPL;
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}
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//////////////////////////////////////////////////////////////////////////////
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//
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// CDirectSoundDMO::InitializeNode
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//
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// Override if doing something other than just standard save.
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//
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STDMETHODIMP CDirectSoundDMO::InitializeNode(THIS_ HANDLE hPin, ULONG ulNodeId)
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{
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m_hPin = hPin;
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m_ulNodeId = ulNodeId;
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return S_OK;
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}
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#if 0
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// FIXME: no longer in medparam.idl
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//////////////////////////////////////////////////////////////////////////////
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//
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// CDirectSoundDMO::GetParams
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//
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STDMETHODIMP CDirectSoundDMO::GetParams(THIS_ DWORD dwParamIndexStart, DWORD *pdwNumParams, MP_DATA **ppValues)
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{
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HRESULT hr;
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if (dwParamIndexStart >= ParamCount())
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{
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// XXX Real error code
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//
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return E_FAIL;
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}
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DWORD dw;
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DWORD dwParamIndexEnd = dwParamIndexStart + *pdwNumParams;
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for (dw = dwParamIndexStart; dw < dwParamIndexEnd; dw++)
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{
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if (dw >= ParamCount())
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{
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*pdwNumParams = dw - dwParamIndexStart;
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return S_FALSE;
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}
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hr = GetParam(dw, ppValues[dw]);
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if (FAILED(hr))
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{
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*pdwNumParams = dw - dwParamIndexStart;
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return hr;
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}
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}
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return S_OK;
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}
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//////////////////////////////////////////////////////////////////////////////
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//
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// CDirectSoundDMO::SetParams
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//
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STDMETHODIMP CDirectSoundDMO::SetParams(THIS_ DWORD dwParamIndexStart, DWORD *pdwNumParams, MP_DATA __RPC_FAR *pValues)
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{
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HRESULT hr;
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if (dwParamIndexStart >= ParamCount())
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{
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// XXX Real error code
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//
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return E_FAIL;
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}
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DWORD dw;
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DWORD dwParamIndexEnd = dwParamIndexStart + *pdwNumParams;
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for (dw = dwParamIndexStart; dw < dwParamIndexEnd; dw++)
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{
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if (dw >= ParamCount())
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{
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*pdwNumParams = dw - dwParamIndexStart;
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return S_FALSE;
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}
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hr = SetParam(dw, pValues[dw]);
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if (FAILED(hr))
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{
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*pdwNumParams = dw - dwParamIndexStart;
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return hr;
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}
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}
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return S_OK;
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}
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#endif
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//////////////////////////////////////////////////////////////////////////////
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//
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// CDirectSoundDMO::ProxySetParam
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//
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HRESULT CDirectSoundDMO::ProxySetParam(DWORD dwParamIndex, MP_DATA value)
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{
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assert(m_pKsPropertySet);
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return m_pKsPropertySet->Set(
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IID_IMediaParams, 0, // Set, item
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&dwParamIndex, sizeof(dwParamIndex), // Instance data
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&value, sizeof(value)); // Property data
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}
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