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reactos/dll/directx/ksproxy/output_pin.cpp

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/*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS WDM Streaming ActiveMovie Proxy
* FILE: dll/directx/ksproxy/output_pin.cpp
* PURPOSE: OutputPin of Proxy Filter
*
* PROGRAMMERS: Johannes Anderwald (johannes.anderwald@reactos.org)
*/
#include "precomp.h"
class COutputPin : public IPin,
public IKsObject,
public IKsPropertySet,
public IStreamBuilder,
public IKsPinFactory,
public ISpecifyPropertyPages,
public IKsPinEx,
public IKsPinPipe,
public IKsControl,
public IKsAggregateControl,
public IQualityControl,
public IMediaSeeking,
public IAMBufferNegotiation,
public IAMStreamConfig,
public IMemAllocatorNotifyCallbackTemp
{
public:
typedef std::vector<IUnknown *>ProxyPluginVector;
STDMETHODIMP QueryInterface( REFIID InterfaceId, PVOID* Interface);
STDMETHODIMP_(ULONG) AddRef()
{
InterlockedIncrement(&m_Ref);
return m_Ref;
}
STDMETHODIMP_(ULONG) Release()
{
InterlockedDecrement(&m_Ref);
if (!m_Ref)
{
//delete this;
return 0;
}
return m_Ref;
}
//IKsPin
HRESULT STDMETHODCALLTYPE KsQueryMediums(PKSMULTIPLE_ITEM* MediumList);
HRESULT STDMETHODCALLTYPE KsQueryInterfaces(PKSMULTIPLE_ITEM* InterfaceList);
HRESULT STDMETHODCALLTYPE KsCreateSinkPinHandle(KSPIN_INTERFACE& Interface, KSPIN_MEDIUM& Medium);
HRESULT STDMETHODCALLTYPE KsGetCurrentCommunication(KSPIN_COMMUNICATION *Communication, KSPIN_INTERFACE *Interface, KSPIN_MEDIUM *Medium);
HRESULT STDMETHODCALLTYPE KsPropagateAcquire();
HRESULT STDMETHODCALLTYPE KsDeliver(IMediaSample* Sample, ULONG Flags);
HRESULT STDMETHODCALLTYPE KsMediaSamplesCompleted(PKSSTREAM_SEGMENT StreamSegment);
IMemAllocator * STDMETHODCALLTYPE KsPeekAllocator(KSPEEKOPERATION Operation);
HRESULT STDMETHODCALLTYPE KsReceiveAllocator(IMemAllocator *MemAllocator);
HRESULT STDMETHODCALLTYPE KsRenegotiateAllocator();
LONG STDMETHODCALLTYPE KsIncrementPendingIoCount();
LONG STDMETHODCALLTYPE KsDecrementPendingIoCount();
HRESULT STDMETHODCALLTYPE KsQualityNotify(ULONG Proportion, REFERENCE_TIME TimeDelta);
// IKsPinEx
VOID STDMETHODCALLTYPE KsNotifyError(IMediaSample* Sample, HRESULT hr);
//IKsPinPipe
HRESULT STDMETHODCALLTYPE KsGetPinFramingCache(PKSALLOCATOR_FRAMING_EX *FramingEx, PFRAMING_PROP FramingProp, FRAMING_CACHE_OPS Option);
HRESULT STDMETHODCALLTYPE KsSetPinFramingCache(PKSALLOCATOR_FRAMING_EX FramingEx, PFRAMING_PROP FramingProp, FRAMING_CACHE_OPS Option);
IPin* STDMETHODCALLTYPE KsGetConnectedPin();
IKsAllocatorEx* STDMETHODCALLTYPE KsGetPipe(KSPEEKOPERATION Operation);
HRESULT STDMETHODCALLTYPE KsSetPipe(IKsAllocatorEx *KsAllocator);
ULONG STDMETHODCALLTYPE KsGetPipeAllocatorFlag();
HRESULT STDMETHODCALLTYPE KsSetPipeAllocatorFlag(ULONG Flag);
GUID STDMETHODCALLTYPE KsGetPinBusCache();
HRESULT STDMETHODCALLTYPE KsSetPinBusCache(GUID Bus);
PWCHAR STDMETHODCALLTYPE KsGetPinName();
PWCHAR STDMETHODCALLTYPE KsGetFilterName();
//IPin methods
HRESULT STDMETHODCALLTYPE Connect(IPin *pReceivePin, const AM_MEDIA_TYPE *pmt);
HRESULT STDMETHODCALLTYPE ReceiveConnection(IPin *pConnector, const AM_MEDIA_TYPE *pmt);
HRESULT STDMETHODCALLTYPE Disconnect();
HRESULT STDMETHODCALLTYPE ConnectedTo(IPin **pPin);
HRESULT STDMETHODCALLTYPE ConnectionMediaType(AM_MEDIA_TYPE *pmt);
HRESULT STDMETHODCALLTYPE QueryPinInfo(PIN_INFO *pInfo);
HRESULT STDMETHODCALLTYPE QueryDirection(PIN_DIRECTION *pPinDir);
HRESULT STDMETHODCALLTYPE QueryId(LPWSTR *Id);
HRESULT STDMETHODCALLTYPE QueryAccept(const AM_MEDIA_TYPE *pmt);
HRESULT STDMETHODCALLTYPE EnumMediaTypes(IEnumMediaTypes **ppEnum);
HRESULT STDMETHODCALLTYPE QueryInternalConnections(IPin **apPin, ULONG *nPin);
HRESULT STDMETHODCALLTYPE EndOfStream();
HRESULT STDMETHODCALLTYPE BeginFlush();
HRESULT STDMETHODCALLTYPE EndFlush();
HRESULT STDMETHODCALLTYPE NewSegment(REFERENCE_TIME tStart, REFERENCE_TIME tStop, double dRate);
// ISpecifyPropertyPages
HRESULT STDMETHODCALLTYPE GetPages(CAUUID *pPages);
//IKsObject methods
HANDLE STDMETHODCALLTYPE KsGetObjectHandle();
//IKsPropertySet
HRESULT STDMETHODCALLTYPE Set(REFGUID guidPropSet, DWORD dwPropID, LPVOID pInstanceData, DWORD cbInstanceData, LPVOID pPropData, DWORD cbPropData);
HRESULT STDMETHODCALLTYPE Get(REFGUID guidPropSet, DWORD dwPropID, LPVOID pInstanceData, DWORD cbInstanceData, LPVOID pPropData, DWORD cbPropData, DWORD *pcbReturned);
HRESULT STDMETHODCALLTYPE QuerySupported(REFGUID guidPropSet, DWORD dwPropID, DWORD *pTypeSupport);
//IKsControl
HRESULT STDMETHODCALLTYPE KsProperty(PKSPROPERTY Property, ULONG PropertyLength, LPVOID PropertyData, ULONG DataLength, ULONG* BytesReturned);
HRESULT STDMETHODCALLTYPE KsMethod(PKSMETHOD Method, ULONG MethodLength, LPVOID MethodData, ULONG DataLength, ULONG* BytesReturned);
HRESULT STDMETHODCALLTYPE KsEvent(PKSEVENT Event, ULONG EventLength, LPVOID EventData, ULONG DataLength, ULONG* BytesReturned);
//IStreamBuilder
HRESULT STDMETHODCALLTYPE Render(IPin *ppinOut, IGraphBuilder *pGraph);
HRESULT STDMETHODCALLTYPE Backout(IPin *ppinOut, IGraphBuilder *pGraph);
//IKsPinFactory
HRESULT STDMETHODCALLTYPE KsPinFactory(ULONG* PinFactory);
//IKsAggregateControl
HRESULT STDMETHODCALLTYPE KsAddAggregate(IN REFGUID AggregateClass);
HRESULT STDMETHODCALLTYPE KsRemoveAggregate(REFGUID AggregateClass);
//IQualityControl
HRESULT STDMETHODCALLTYPE Notify(IBaseFilter *pSelf, Quality q);
HRESULT STDMETHODCALLTYPE SetSink(IQualityControl *piqc);
//IMediaSeeking
HRESULT STDMETHODCALLTYPE GetCapabilities(DWORD *pCapabilities);
HRESULT STDMETHODCALLTYPE CheckCapabilities(DWORD *pCapabilities);
HRESULT STDMETHODCALLTYPE IsFormatSupported(const GUID *pFormat);
HRESULT STDMETHODCALLTYPE QueryPreferredFormat(GUID *pFormat);
HRESULT STDMETHODCALLTYPE GetTimeFormat(GUID *pFormat);
HRESULT STDMETHODCALLTYPE IsUsingTimeFormat(const GUID *pFormat);
HRESULT STDMETHODCALLTYPE SetTimeFormat(const GUID *pFormat);
HRESULT STDMETHODCALLTYPE GetDuration(LONGLONG *pDuration);
HRESULT STDMETHODCALLTYPE GetStopPosition(LONGLONG *pStop);
HRESULT STDMETHODCALLTYPE GetCurrentPosition(LONGLONG *pCurrent);
HRESULT STDMETHODCALLTYPE ConvertTimeFormat(LONGLONG *pTarget, const GUID *pTargetFormat, LONGLONG Source, const GUID *pSourceFormat);
HRESULT STDMETHODCALLTYPE SetPositions(LONGLONG *pCurrent, DWORD dwCurrentFlags, LONGLONG *pStop, DWORD dwStopFlags);
HRESULT STDMETHODCALLTYPE GetPositions(LONGLONG *pCurrent, LONGLONG *pStop);
HRESULT STDMETHODCALLTYPE GetAvailable(LONGLONG *pEarliest, LONGLONG *pLatest);
HRESULT STDMETHODCALLTYPE SetRate(double dRate);
HRESULT STDMETHODCALLTYPE GetRate(double *pdRate);
HRESULT STDMETHODCALLTYPE GetPreroll(LONGLONG *pllPreroll);
//IAMBufferNegotiation
HRESULT STDMETHODCALLTYPE SuggestAllocatorProperties(const ALLOCATOR_PROPERTIES *pprop);
HRESULT STDMETHODCALLTYPE GetAllocatorProperties(ALLOCATOR_PROPERTIES *pprop);
//IAMStreamConfig
HRESULT STDMETHODCALLTYPE SetFormat(AM_MEDIA_TYPE *pmt);
HRESULT STDMETHODCALLTYPE GetFormat(AM_MEDIA_TYPE **ppmt);
HRESULT STDMETHODCALLTYPE GetNumberOfCapabilities(int *piCount, int *piSize);
HRESULT STDMETHODCALLTYPE GetStreamCaps(int iIndex, AM_MEDIA_TYPE **ppmt, BYTE *pSCC);
//IMemAllocatorNotifyCallbackTemp
HRESULT STDMETHODCALLTYPE NotifyRelease();
//---------------------------------------------------------------
COutputPin(IBaseFilter * ParentFilter, LPCWSTR PinName, ULONG PinId, KSPIN_COMMUNICATION Communication);
virtual ~COutputPin();
HRESULT STDMETHODCALLTYPE CheckFormat(const AM_MEDIA_TYPE *pmt);
HRESULT STDMETHODCALLTYPE CreatePin(const AM_MEDIA_TYPE *pmt);
HRESULT STDMETHODCALLTYPE CreatePinHandle(PKSPIN_MEDIUM Medium, PKSPIN_INTERFACE Interface, const AM_MEDIA_TYPE *pmt);
HRESULT WINAPI IoProcessRoutine();
HRESULT WINAPI InitializeIOThread();
HRESULT STDMETHODCALLTYPE GetSupportedSets(LPGUID * pOutGuid, PULONG NumGuids);
HRESULT STDMETHODCALLTYPE LoadProxyPlugins(LPGUID pGuids, ULONG NumGuids);
friend DWORD WINAPI COutputPin_IoThreadStartup(LPVOID lpParameter);
friend HRESULT STDMETHODCALLTYPE COutputPin_SetState(IPin * Pin, KSSTATE State);
protected:
LONG m_Ref;
IBaseFilter * m_ParentFilter;
LPCWSTR m_PinName;
HANDLE m_hPin;
ULONG m_PinId;
IPin * m_Pin;
IKsAllocatorEx * m_KsAllocatorEx;
ULONG m_PipeAllocatorFlag;
BOOL m_bPinBusCacheInitialized;
GUID m_PinBusCache;
LPWSTR m_FilterName;
FRAMING_PROP m_FramingProp[4];
PKSALLOCATOR_FRAMING_EX m_FramingEx[4];
IMemAllocator * m_MemAllocator;
IMemInputPin * m_MemInputPin;
LONG m_IoCount;
KSPIN_COMMUNICATION m_Communication;
KSPIN_INTERFACE m_Interface;
KSPIN_MEDIUM m_Medium;
AM_MEDIA_TYPE m_MediaFormat;
ALLOCATOR_PROPERTIES m_Properties;
IKsInterfaceHandler * m_InterfaceHandler;
HANDLE m_hStartEvent;
HANDLE m_hBufferAvailable;
HANDLE m_hStopEvent;
BOOL m_StopInProgress;
BOOL m_IoThreadStarted;
KSSTATE m_State;
CRITICAL_SECTION m_Lock;
ProxyPluginVector m_Plugins;
};
COutputPin::~COutputPin()
{
}
COutputPin::COutputPin(
IBaseFilter * ParentFilter,
LPCWSTR PinName,
ULONG PinId,
KSPIN_COMMUNICATION Communication) : m_Ref(0),
m_ParentFilter(ParentFilter),
m_PinName(PinName),
m_hPin(INVALID_HANDLE_VALUE),
m_PinId(PinId),
m_Pin(0),
m_KsAllocatorEx(0),
m_PipeAllocatorFlag(0),
m_bPinBusCacheInitialized(0),
m_FilterName(0),
m_MemAllocator(0),
m_MemInputPin(0),
m_IoCount(0),
m_Communication(Communication),
m_InterfaceHandler(0),
m_hStartEvent(0),
m_hBufferAvailable(0),
m_hStopEvent(0),
m_StopInProgress(0),
m_IoThreadStarted(0),
m_State(KSSTATE_STOP),
m_Plugins()
{
HRESULT hr;
IKsObject * KsObjectParent;
hr = m_ParentFilter->QueryInterface(IID_IKsObject, (LPVOID*)&KsObjectParent);
assert(hr == S_OK);
ZeroMemory(m_FramingProp, sizeof(m_FramingProp));
ZeroMemory(m_FramingEx, sizeof(m_FramingEx));
ZeroMemory(&m_MediaFormat, sizeof(AM_MEDIA_TYPE));
hr = KsGetMediaType(0, &m_MediaFormat, KsObjectParent->KsGetObjectHandle(), m_PinId);
#ifdef KSPROXY_TRACE
WCHAR Buffer[100];
swprintf(Buffer, L"COutputPin::COutputPin Format %p pbFormat %lu\n", &m_MediaFormat, m_MediaFormat.cbFormat);
OutputDebugStringW(Buffer);
#endif
assert(hr == S_OK);
InitializeCriticalSection(&m_Lock);
KsObjectParent->Release();
};
HRESULT
STDMETHODCALLTYPE
COutputPin::QueryInterface(
IN REFIID refiid,
OUT PVOID* Output)
{
*Output = NULL;
if (IsEqualGUID(refiid, IID_IUnknown) ||
IsEqualGUID(refiid, IID_IPin))
{
#ifdef KSPROXY_TRACE
OutputDebugStringW(L"COutputPin::QueryInterface IID_IPin\n");
#endif
*Output = PVOID(this);
reinterpret_cast<IUnknown*>(*Output)->AddRef();
return NOERROR;
}
else if (IsEqualGUID(refiid, IID_IKsObject))
{
if (m_hPin == INVALID_HANDLE_VALUE)
{
HRESULT hr = CreatePin(&m_MediaFormat);
if (FAILED(hr))
return hr;
}
#ifdef KSPROXY_TRACE
OutputDebugStringW(L"COutputPin::QueryInterface IID_IKsObject\n");
#endif
*Output = (IKsObject*)(this);
reinterpret_cast<IKsObject*>(*Output)->AddRef();
return NOERROR;
}
else if (IsEqualGUID(refiid, IID_IKsPin) || IsEqualGUID(refiid, IID_IKsPinEx))
{
*Output = (IKsPinEx*)(this);
reinterpret_cast<IKsPinEx*>(*Output)->AddRef();
return NOERROR;
}
else if (IsEqualGUID(refiid, IID_IKsPinPipe))
{
*Output = (IKsPinPipe*)(this);
reinterpret_cast<IKsPinPipe*>(*Output)->AddRef();
return NOERROR;
}
else if (IsEqualGUID(refiid, IID_IKsAggregateControl))
{
*Output = (IKsAggregateControl*)(this);
reinterpret_cast<IKsAggregateControl*>(*Output)->AddRef();
return NOERROR;
}
else if (IsEqualGUID(refiid, IID_IQualityControl))
{
*Output = (IQualityControl*)(this);
reinterpret_cast<IQualityControl*>(*Output)->AddRef();
return NOERROR;
}
else if (IsEqualGUID(refiid, IID_IKsPropertySet))
{
if (m_hPin == INVALID_HANDLE_VALUE)
{
HRESULT hr = CreatePin(&m_MediaFormat);
if (FAILED(hr))
return hr;
}
#ifdef KSPROXY_TRACE
OutputDebugStringW(L"COutputPin::QueryInterface IID_IKsPropertySet\n");
#endif
*Output = (IKsPropertySet*)(this);
reinterpret_cast<IKsPropertySet*>(*Output)->AddRef();
return NOERROR;
}
else if (IsEqualGUID(refiid, IID_IKsControl))
{
#ifdef KSPROXY_TRACE
OutputDebugStringW(L"COutputPin::QueryInterface IID_IKsControl\n");
#endif
*Output = (IKsControl*)(this);
reinterpret_cast<IKsControl*>(*Output)->AddRef();
return NOERROR;
}
#if 0
else if (IsEqualGUID(refiid, IID_IStreamBuilder))
{
*Output = (IStreamBuilder*)(this);
reinterpret_cast<IStreamBuilder*>(*Output)->AddRef();
return NOERROR;
}
#endif
else if (IsEqualGUID(refiid, IID_IKsPinFactory))
{
#ifdef KSPROXY_TRACE
OutputDebugStringW(L"COutputPin::QueryInterface IID_IKsPinFactory\n");
#endif
*Output = (IKsPinFactory*)(this);
reinterpret_cast<IKsPinFactory*>(*Output)->AddRef();
return NOERROR;
}
else if (IsEqualGUID(refiid, IID_ISpecifyPropertyPages))
{
#ifdef KSPROXY_TRACE
OutputDebugStringW(L"COutputPin::QueryInterface IID_ISpecifyPropertyPages\n");
#endif
*Output = (ISpecifyPropertyPages*)(this);
reinterpret_cast<ISpecifyPropertyPages*>(*Output)->AddRef();
return NOERROR;
}
else if (IsEqualGUID(refiid, IID_IMediaSeeking))
{
*Output = (IMediaSeeking*)(this);
reinterpret_cast<IMediaSeeking*>(*Output)->AddRef();
return NOERROR;
}
else if (IsEqualGUID(refiid, IID_IAMBufferNegotiation))
{
*Output = (IAMBufferNegotiation*)(this);
reinterpret_cast<IAMBufferNegotiation*>(*Output)->AddRef();
return NOERROR;
}
else if (IsEqualGUID(refiid, IID_IAMStreamConfig))
{
*Output = (IAMStreamConfig*)(this);
reinterpret_cast<IAMStreamConfig*>(*Output)->AddRef();
return NOERROR;
}
else if (IsEqualGUID(refiid, IID_IMemAllocatorNotifyCallbackTemp))
{
*Output = (IMemAllocatorNotifyCallbackTemp*)(this);
reinterpret_cast<IMemAllocatorNotifyCallbackTemp*>(*Output)->AddRef();
return NOERROR;
}
#ifdef KSPROXY_TRACE
WCHAR Buffer[MAX_PATH];
LPOLESTR lpstr;
StringFromCLSID(refiid, &lpstr);
swprintf(Buffer, L"COutputPin::QueryInterface: NoInterface for %s PinId %u PinName %s\n", lpstr, m_PinId, m_PinName);
OutputDebugStringW(Buffer);
CoTaskMemFree(lpstr);
#endif
return E_NOINTERFACE;
}
//-------------------------------------------------------------------
// IAMBufferNegotiation interface
//
HRESULT
STDMETHODCALLTYPE
COutputPin::SuggestAllocatorProperties(
const ALLOCATOR_PROPERTIES *pprop)
{
#ifdef KSPROXY_TRACE
OutputDebugStringW(L"COutputPin::SuggestAllocatorProperties\n");
#endif
if (m_Pin)
{
// pin is already connected
return VFW_E_ALREADY_CONNECTED;
}
CopyMemory(&m_Properties, pprop, sizeof(ALLOCATOR_PROPERTIES));
return NOERROR;
}
HRESULT
STDMETHODCALLTYPE
COutputPin::GetAllocatorProperties(
ALLOCATOR_PROPERTIES *pprop)
{
#ifdef KSPROXY_TRACE
OutputDebugStringW(L"COutputPin::GetAllocatorProperties\n");
#endif
if (!m_Pin)
{
// you should call this method AFTER you connected
return E_UNEXPECTED;
}
if (!m_KsAllocatorEx)
{
// something went wrong while creating the allocator
return E_FAIL;
}
CopyMemory(pprop, &m_Properties, sizeof(ALLOCATOR_PROPERTIES));
return NOERROR;
}
//-------------------------------------------------------------------
// IAMStreamConfig interface
//
HRESULT
STDMETHODCALLTYPE
COutputPin::SetFormat(
AM_MEDIA_TYPE *pmt)
{
#ifdef KSPROXY_TRACE
OutputDebugStringW(L"COutputPin::SetFormat NotImplemented\n");
#endif
return E_NOTIMPL;
}
HRESULT
STDMETHODCALLTYPE
COutputPin::GetFormat(AM_MEDIA_TYPE **ppmt)
{
#ifdef KSPROXY_TRACE
OutputDebugStringW(L"COutputPin::GetFormat NotImplemented\n");
#endif
return E_NOTIMPL;
}
HRESULT
STDMETHODCALLTYPE
COutputPin::GetNumberOfCapabilities(
int *piCount,
int *piSize)
{
#ifdef KSPROXY_TRACE
OutputDebugStringW(L"COutputPin::GetNumberOfCapabilities NotImplemented\n");
#endif
return E_NOTIMPL;
}
HRESULT
STDMETHODCALLTYPE
COutputPin::GetStreamCaps(
int iIndex,
AM_MEDIA_TYPE **ppmt,
BYTE *pSCC)
{
#ifdef KSPROXY_TRACE
OutputDebugStringW(L"COutputPin::GetStreamCaps NotImplemented\n");
#endif
return E_NOTIMPL;
}
//-------------------------------------------------------------------
// IMemAllocatorNotifyCallbackTemp interface
//
HRESULT
STDMETHODCALLTYPE
COutputPin::NotifyRelease()
{
#ifdef KSPROXY_TRACE
OutputDebugStringW(L"COutputPin::NotifyRelease\n");
#endif
// notify thread of new available sample
SetEvent(m_hBufferAvailable);
return NOERROR;
}
//-------------------------------------------------------------------
// IMediaSeeking interface
//
HRESULT
STDMETHODCALLTYPE
COutputPin::GetCapabilities(
DWORD *pCapabilities)
{
IMediaSeeking * FilterMediaSeeking;
HRESULT hr;
hr = m_ParentFilter->QueryInterface(IID_IMediaSeeking, (LPVOID*)&FilterMediaSeeking);
if (FAILED(hr))
return hr;
hr = FilterMediaSeeking->GetCapabilities(pCapabilities);
FilterMediaSeeking->Release();
return hr;
}
HRESULT
STDMETHODCALLTYPE
COutputPin::CheckCapabilities(
DWORD *pCapabilities)
{
IMediaSeeking * FilterMediaSeeking;
HRESULT hr;
hr = m_ParentFilter->QueryInterface(IID_IMediaSeeking, (LPVOID*)&FilterMediaSeeking);
if (FAILED(hr))
return hr;
hr = FilterMediaSeeking->CheckCapabilities(pCapabilities);
FilterMediaSeeking->Release();
return hr;
}
HRESULT
STDMETHODCALLTYPE
COutputPin::IsFormatSupported(
const GUID *pFormat)
{
IMediaSeeking * FilterMediaSeeking;
HRESULT hr;
hr = m_ParentFilter->QueryInterface(IID_IMediaSeeking, (LPVOID*)&FilterMediaSeeking);
if (FAILED(hr))
return hr;
hr = FilterMediaSeeking->IsFormatSupported(pFormat);
FilterMediaSeeking->Release();
return hr;
}
HRESULT
STDMETHODCALLTYPE
COutputPin::QueryPreferredFormat(
GUID *pFormat)
{
IMediaSeeking * FilterMediaSeeking;
HRESULT hr;
hr = m_ParentFilter->QueryInterface(IID_IMediaSeeking, (LPVOID*)&FilterMediaSeeking);
if (FAILED(hr))
return hr;
hr = FilterMediaSeeking->QueryPreferredFormat(pFormat);
FilterMediaSeeking->Release();
return hr;
}
HRESULT
STDMETHODCALLTYPE
COutputPin::GetTimeFormat(
GUID *pFormat)
{
IMediaSeeking * FilterMediaSeeking;
HRESULT hr;
hr = m_ParentFilter->QueryInterface(IID_IMediaSeeking, (LPVOID*)&FilterMediaSeeking);
if (FAILED(hr))
return hr;
hr = FilterMediaSeeking->GetTimeFormat(pFormat);
FilterMediaSeeking->Release();
return hr;
}
HRESULT
STDMETHODCALLTYPE
COutputPin::IsUsingTimeFormat(
const GUID *pFormat)
{
IMediaSeeking * FilterMediaSeeking;
HRESULT hr;
hr = m_ParentFilter->QueryInterface(IID_IMediaSeeking, (LPVOID*)&FilterMediaSeeking);
if (FAILED(hr))
return hr;
hr = FilterMediaSeeking->IsUsingTimeFormat(pFormat);
FilterMediaSeeking->Release();
return hr;
}
HRESULT
STDMETHODCALLTYPE
COutputPin::SetTimeFormat(
const GUID *pFormat)
{
IMediaSeeking * FilterMediaSeeking;
HRESULT hr;
hr = m_ParentFilter->QueryInterface(IID_IMediaSeeking, (LPVOID*)&FilterMediaSeeking);
if (FAILED(hr))
return hr;
hr = FilterMediaSeeking->SetTimeFormat(pFormat);
FilterMediaSeeking->Release();
return hr;
}
HRESULT
STDMETHODCALLTYPE
COutputPin::GetDuration(
LONGLONG *pDuration)
{
IMediaSeeking * FilterMediaSeeking;
HRESULT hr;
hr = m_ParentFilter->QueryInterface(IID_IMediaSeeking, (LPVOID*)&FilterMediaSeeking);
if (FAILED(hr))
return hr;
hr = FilterMediaSeeking->GetDuration(pDuration);
FilterMediaSeeking->Release();
return hr;
}
HRESULT
STDMETHODCALLTYPE
COutputPin::GetStopPosition(
LONGLONG *pStop)
{
IMediaSeeking * FilterMediaSeeking;
HRESULT hr;
hr = m_ParentFilter->QueryInterface(IID_IMediaSeeking, (LPVOID*)&FilterMediaSeeking);
if (FAILED(hr))
return hr;
hr = FilterMediaSeeking->GetStopPosition(pStop);
FilterMediaSeeking->Release();
return hr;
}
HRESULT
STDMETHODCALLTYPE
COutputPin::GetCurrentPosition(
LONGLONG *pCurrent)
{
IMediaSeeking * FilterMediaSeeking;
HRESULT hr;
hr = m_ParentFilter->QueryInterface(IID_IMediaSeeking, (LPVOID*)&FilterMediaSeeking);
if (FAILED(hr))
return hr;
hr = FilterMediaSeeking->GetCurrentPosition(pCurrent);
FilterMediaSeeking->Release();
return hr;
}
HRESULT
STDMETHODCALLTYPE
COutputPin::ConvertTimeFormat(
LONGLONG *pTarget,
const GUID *pTargetFormat,
LONGLONG Source,
const GUID *pSourceFormat)
{
IMediaSeeking * FilterMediaSeeking;
HRESULT hr;
hr = m_ParentFilter->QueryInterface(IID_IMediaSeeking, (LPVOID*)&FilterMediaSeeking);
if (FAILED(hr))
return hr;
hr = FilterMediaSeeking->ConvertTimeFormat(pTarget, pTargetFormat, Source, pSourceFormat);
FilterMediaSeeking->Release();
return hr;
}
HRESULT
STDMETHODCALLTYPE
COutputPin::SetPositions(
LONGLONG *pCurrent,
DWORD dwCurrentFlags,
LONGLONG *pStop,
DWORD dwStopFlags)
{
IMediaSeeking * FilterMediaSeeking;
HRESULT hr;
hr = m_ParentFilter->QueryInterface(IID_IMediaSeeking, (LPVOID*)&FilterMediaSeeking);
if (FAILED(hr))
return hr;
hr = FilterMediaSeeking->SetPositions(pCurrent, dwCurrentFlags, pStop, dwStopFlags);
FilterMediaSeeking->Release();
return hr;
}
HRESULT
STDMETHODCALLTYPE
COutputPin::GetPositions(
LONGLONG *pCurrent,
LONGLONG *pStop)
{
IMediaSeeking * FilterMediaSeeking;
HRESULT hr;
hr = m_ParentFilter->QueryInterface(IID_IMediaSeeking, (LPVOID*)&FilterMediaSeeking);
if (FAILED(hr))
return hr;
hr = FilterMediaSeeking->GetPositions(pCurrent, pStop);
FilterMediaSeeking->Release();
return hr;
}
HRESULT
STDMETHODCALLTYPE
COutputPin::GetAvailable(
LONGLONG *pEarliest,
LONGLONG *pLatest)
{
IMediaSeeking * FilterMediaSeeking;
HRESULT hr;
hr = m_ParentFilter->QueryInterface(IID_IMediaSeeking, (LPVOID*)&FilterMediaSeeking);
if (FAILED(hr))
return hr;
hr = FilterMediaSeeking->GetAvailable(pEarliest, pLatest);
FilterMediaSeeking->Release();
return hr;
}
HRESULT
STDMETHODCALLTYPE
COutputPin::SetRate(
double dRate)
{
IMediaSeeking * FilterMediaSeeking;
HRESULT hr;
hr = m_ParentFilter->QueryInterface(IID_IMediaSeeking, (LPVOID*)&FilterMediaSeeking);
if (FAILED(hr))
return hr;
hr = FilterMediaSeeking->SetRate(dRate);
FilterMediaSeeking->Release();
return hr;
}
HRESULT
STDMETHODCALLTYPE
COutputPin::GetRate(
double *pdRate)
{
IMediaSeeking * FilterMediaSeeking;
HRESULT hr;
hr = m_ParentFilter->QueryInterface(IID_IMediaSeeking, (LPVOID*)&FilterMediaSeeking);
if (FAILED(hr))
return hr;
hr = FilterMediaSeeking->GetRate(pdRate);
FilterMediaSeeking->Release();
return hr;
}
HRESULT
STDMETHODCALLTYPE
COutputPin::GetPreroll(
LONGLONG *pllPreroll)
{
IMediaSeeking * FilterMediaSeeking;
HRESULT hr;
hr = m_ParentFilter->QueryInterface(IID_IMediaSeeking, (LPVOID*)&FilterMediaSeeking);
if (FAILED(hr))
return hr;
hr = FilterMediaSeeking->GetPreroll(pllPreroll);
FilterMediaSeeking->Release();
return hr;
}
//-------------------------------------------------------------------
// IQualityControl interface
//
HRESULT
STDMETHODCALLTYPE
COutputPin::Notify(
IBaseFilter *pSelf,
Quality q)
{
#ifdef KSPROXY_TRACE
OutputDebugStringW(L"COutputPin::Notify NotImplemented\n");
#endif
return E_NOTIMPL;
}
HRESULT
STDMETHODCALLTYPE
COutputPin::SetSink(
IQualityControl *piqc)
{
#ifdef KSPROXY_TRACE
OutputDebugStringW(L"COutputPin::SetSink NotImplemented\n");
#endif
return E_NOTIMPL;
}
//-------------------------------------------------------------------
// IKsAggregateControl interface
//
HRESULT
STDMETHODCALLTYPE
COutputPin::KsAddAggregate(
IN REFGUID AggregateClass)
{
#ifdef KSPROXY_TRACE
OutputDebugStringW(L"COutputPin::KsAddAggregate NotImplemented\n");
#endif
return E_NOTIMPL;
}
HRESULT
STDMETHODCALLTYPE
COutputPin::KsRemoveAggregate(
REFGUID AggregateClass)
{
#ifdef KSPROXY_TRACE
OutputDebugStringW(L"COutputPin::KsRemoveAggregate NotImplemented\n");
#endif
return E_NOTIMPL;
}
//-------------------------------------------------------------------
// IKsPin
//
HRESULT
STDMETHODCALLTYPE
COutputPin::KsQueryMediums(
PKSMULTIPLE_ITEM* MediumList)
{
HRESULT hr;
HANDLE hFilter;
IKsObject * KsObjectParent;
hr = m_ParentFilter->QueryInterface(IID_IKsObject, (LPVOID*)&KsObjectParent);
if (FAILED(hr))
return E_NOINTERFACE;
hFilter = KsObjectParent->KsGetObjectHandle();
if (hFilter)
hr = KsGetMultiplePinFactoryItems(hFilter, m_PinId, KSPROPERTY_PIN_MEDIUMS, (PVOID*)MediumList);
else
hr = E_HANDLE;
KsObjectParent->Release();
return hr;
}
HRESULT
STDMETHODCALLTYPE
COutputPin::KsQueryInterfaces(
PKSMULTIPLE_ITEM* InterfaceList)
{
HRESULT hr;
HANDLE hFilter;
IKsObject * KsObjectParent;
hr = m_ParentFilter->QueryInterface(IID_IKsObject, (LPVOID*)&KsObjectParent);
if (FAILED(hr))
return hr;
hFilter = KsObjectParent->KsGetObjectHandle();
if (hFilter)
hr = KsGetMultiplePinFactoryItems(hFilter, m_PinId, KSPROPERTY_PIN_INTERFACES, (PVOID*)InterfaceList);
else
hr = E_HANDLE;
KsObjectParent->Release();
return hr;
}
HRESULT
STDMETHODCALLTYPE
COutputPin::KsCreateSinkPinHandle(
KSPIN_INTERFACE& Interface,
KSPIN_MEDIUM& Medium)
{
#ifdef KSPROXY_TRACE
OutputDebugStringW(L"COutputPin::KsCreateSinkPinHandle NotImplemented\n");
#endif
return E_NOTIMPL;
}
HRESULT
STDMETHODCALLTYPE
COutputPin::KsGetCurrentCommunication(
KSPIN_COMMUNICATION *Communication,
KSPIN_INTERFACE *Interface,
KSPIN_MEDIUM *Medium)
{
if (Communication)
{
*Communication = m_Communication;
}
if (Interface)
{
if (!m_hPin)
return VFW_E_NOT_CONNECTED;
CopyMemory(Interface, &m_Interface, sizeof(KSPIN_INTERFACE));
}
if (Medium)
{
if (!m_hPin)
return VFW_E_NOT_CONNECTED;
CopyMemory(Medium, &m_Medium, sizeof(KSPIN_MEDIUM));
}
return NOERROR;
}
HRESULT
STDMETHODCALLTYPE
COutputPin::KsPropagateAcquire()
{
KSPROPERTY Property;
KSSTATE State;
ULONG BytesReturned;
HRESULT hr;
#ifdef KSPROXY_TRACE
OutputDebugStringW(L"COutputPin::KsPropagateAcquire\n");
#endif
assert(m_hPin != INVALID_HANDLE_VALUE);
Property.Set = KSPROPSETID_Connection;
Property.Id = KSPROPERTY_CONNECTION_STATE;
Property.Flags = KSPROPERTY_TYPE_SET;
State = KSSTATE_ACQUIRE;
hr = KsProperty(&Property, sizeof(KSPROPERTY), (LPVOID)&State, sizeof(KSSTATE), &BytesReturned);
if (SUCCEEDED(hr))
{
m_State = State;
}
//TODO
//propagate to connected pin on the pipe
return hr;
}
HRESULT
STDMETHODCALLTYPE
COutputPin::KsDeliver(
IMediaSample* Sample,
ULONG Flags)
{
return E_FAIL;
}
HRESULT
STDMETHODCALLTYPE
COutputPin::KsMediaSamplesCompleted(PKSSTREAM_SEGMENT StreamSegment)
{
return NOERROR;
}
IMemAllocator *
STDMETHODCALLTYPE
COutputPin::KsPeekAllocator(KSPEEKOPERATION Operation)
{
if (Operation == KsPeekOperation_AddRef)
{
// add reference on allocator
m_MemAllocator->AddRef();
}
return m_MemAllocator;
}
HRESULT
STDMETHODCALLTYPE
COutputPin::KsReceiveAllocator(IMemAllocator *MemAllocator)
{
if (MemAllocator)
{
MemAllocator->AddRef();
}
if (m_MemAllocator)
{
m_MemAllocator->Release();
}
m_MemAllocator = MemAllocator;
return NOERROR;
}
HRESULT
STDMETHODCALLTYPE
COutputPin::KsRenegotiateAllocator()
{
return E_FAIL;
}
LONG
STDMETHODCALLTYPE
COutputPin::KsIncrementPendingIoCount()
{
return InterlockedIncrement((volatile LONG*)&m_IoCount);
}
LONG
STDMETHODCALLTYPE
COutputPin::KsDecrementPendingIoCount()
{
return InterlockedDecrement((volatile LONG*)&m_IoCount);
}
HRESULT
STDMETHODCALLTYPE
COutputPin::KsQualityNotify(
ULONG Proportion,
REFERENCE_TIME TimeDelta)
{
#ifdef KSPROXY_TRACE
OutputDebugStringW(L"COutputPin::KsQualityNotify NotImplemented\n");
#endif
return E_NOTIMPL;
}
//-------------------------------------------------------------------
// IKsPinEx
//
VOID
STDMETHODCALLTYPE
COutputPin::KsNotifyError(
IMediaSample* Sample,
HRESULT hr)
{
#ifdef KSPROXY_TRACE
OutputDebugStringW(L"COutputPin::KsNotifyError NotImplemented\n");
#endif
}
//-------------------------------------------------------------------
// IKsPinPipe
//
HRESULT
STDMETHODCALLTYPE
COutputPin::KsGetPinFramingCache(
PKSALLOCATOR_FRAMING_EX *FramingEx,
PFRAMING_PROP FramingProp,
FRAMING_CACHE_OPS Option)
{
if (Option > Framing_Cache_Write || Option < Framing_Cache_ReadLast)
{
// invalid argument
return E_INVALIDARG;
}
// get framing properties
*FramingProp = m_FramingProp[Option];
*FramingEx = m_FramingEx[Option];
return NOERROR;
}
HRESULT
STDMETHODCALLTYPE
COutputPin::KsSetPinFramingCache(
PKSALLOCATOR_FRAMING_EX FramingEx,
PFRAMING_PROP FramingProp,
FRAMING_CACHE_OPS Option)
{
ULONG Index;
ULONG RefCount = 0;
if (m_FramingEx[Option])
{
for(Index = 1; Index < 4; Index++)
{
if (m_FramingEx[Index] == m_FramingEx[Option])
RefCount++;
}
if (RefCount == 1)
{
// existing framing is only used once
CoTaskMemFree(m_FramingEx[Option]);
}
}
// store framing
m_FramingEx[Option] = FramingEx;
m_FramingProp[Option] = *FramingProp;
return S_OK;
}
IPin*
STDMETHODCALLTYPE
COutputPin::KsGetConnectedPin()
{
return m_Pin;
}
IKsAllocatorEx*
STDMETHODCALLTYPE
COutputPin::KsGetPipe(
KSPEEKOPERATION Operation)
{
if (Operation == KsPeekOperation_AddRef)
{
if (m_KsAllocatorEx)
m_KsAllocatorEx->AddRef();
}
return m_KsAllocatorEx;
}
HRESULT
STDMETHODCALLTYPE
COutputPin::KsSetPipe(
IKsAllocatorEx *KsAllocator)
{
if (KsAllocator)
KsAllocator->AddRef();
if (m_KsAllocatorEx)
m_KsAllocatorEx->Release();
m_KsAllocatorEx = KsAllocator;
return NOERROR;
}
ULONG
STDMETHODCALLTYPE
COutputPin::KsGetPipeAllocatorFlag()
{
return m_PipeAllocatorFlag;
}
HRESULT
STDMETHODCALLTYPE
COutputPin::KsSetPipeAllocatorFlag(
ULONG Flag)
{
m_PipeAllocatorFlag = Flag;
return NOERROR;
}
GUID
STDMETHODCALLTYPE
COutputPin::KsGetPinBusCache()
{
if (!m_bPinBusCacheInitialized)
{
CopyMemory(&m_PinBusCache, &m_Medium.Set, sizeof(GUID));
m_bPinBusCacheInitialized = TRUE;
}
return m_PinBusCache;
}
HRESULT
STDMETHODCALLTYPE
COutputPin::KsSetPinBusCache(
GUID Bus)
{
CopyMemory(&m_PinBusCache, &Bus, sizeof(GUID));
return NOERROR;
}
PWCHAR
STDMETHODCALLTYPE
COutputPin::KsGetPinName()
{
return (PWCHAR)m_PinName;
}
PWCHAR
STDMETHODCALLTYPE
COutputPin::KsGetFilterName()
{
return m_FilterName;
}
//-------------------------------------------------------------------
// ISpecifyPropertyPages
//
HRESULT
STDMETHODCALLTYPE
COutputPin::GetPages(CAUUID *pPages)
{
#ifdef KSPROXY_TRACE
OutputDebugStringW(L"COutputPin::GetPages NotImplemented\n");
#endif
if (!pPages)
return E_POINTER;
pPages->cElems = 0;
pPages->pElems = NULL;
return S_OK;
}
//-------------------------------------------------------------------
// IKsPinFactory
//
HRESULT
STDMETHODCALLTYPE
COutputPin::KsPinFactory(
ULONG* PinFactory)
{
#ifdef KSPROXY_TRACE
OutputDebugStringW(L"COutputPin::KsPinFactory\n");
#endif
*PinFactory = m_PinId;
return S_OK;
}
//-------------------------------------------------------------------
// IStreamBuilder
//
HRESULT
STDMETHODCALLTYPE
COutputPin::Render(
IPin *ppinOut,
IGraphBuilder *pGraph)
{
#ifdef KSPROXY_TRACE
OutputDebugStringW(L"COutputPin::Render\n");
#endif
return S_OK;
}
HRESULT
STDMETHODCALLTYPE
COutputPin::Backout(
IPin *ppinOut,
IGraphBuilder *pGraph)
{
#ifdef KSPROXY_TRACE
OutputDebugStringW(L"COutputPin::Backout\n");
#endif
return S_OK;
}
//-------------------------------------------------------------------
// IKsObject
//
HANDLE
STDMETHODCALLTYPE
COutputPin::KsGetObjectHandle()
{
#ifdef KSPROXY_TRACE
OutputDebugStringW(L"COutputPin::KsGetObjectHandle\n");
#endif
assert(m_hPin != INVALID_HANDLE_VALUE);
return m_hPin;
}
//-------------------------------------------------------------------
// IKsControl
//
HRESULT
STDMETHODCALLTYPE
COutputPin::KsProperty(
PKSPROPERTY Property,
ULONG PropertyLength,
LPVOID PropertyData,
ULONG DataLength,
ULONG* BytesReturned)
{
HRESULT hr;
assert(m_hPin != INVALID_HANDLE_VALUE);
hr = KsSynchronousDeviceControl(m_hPin, IOCTL_KS_PROPERTY, (PVOID)Property, PropertyLength, (PVOID)PropertyData, DataLength, BytesReturned);
#ifdef KSPROXY_TRACE
WCHAR Buffer[100];
LPOLESTR pstr;
StringFromCLSID(Property->Set, &pstr);
swprintf(Buffer, L"COutputPin::KsProperty Set %s Id %lu Flags %x hr %x\n", pstr, Property->Id, Property->Flags, hr);
OutputDebugStringW(Buffer);
#endif
return hr;
}
HRESULT
STDMETHODCALLTYPE
COutputPin::KsMethod(
PKSMETHOD Method,
ULONG MethodLength,
LPVOID MethodData,
ULONG DataLength,
ULONG* BytesReturned)
{
assert(m_hPin != INVALID_HANDLE_VALUE);
#ifdef KSPROXY_TRACE
OutputDebugStringW(L"COutputPin::KsMethod\n");
#endif
return KsSynchronousDeviceControl(m_hPin, IOCTL_KS_METHOD, (PVOID)Method, MethodLength, (PVOID)MethodData, DataLength, BytesReturned);
}
HRESULT
STDMETHODCALLTYPE
COutputPin::KsEvent(
PKSEVENT Event,
ULONG EventLength,
LPVOID EventData,
ULONG DataLength,
ULONG* BytesReturned)
{
assert(m_hPin != INVALID_HANDLE_VALUE);
#ifdef KSPROXY_TRACE
OutputDebugStringW(L"COutputPin::KsEvent\n");
#endif
if (EventLength)
return KsSynchronousDeviceControl(m_hPin, IOCTL_KS_ENABLE_EVENT, (PVOID)Event, EventLength, (PVOID)EventData, DataLength, BytesReturned);
else
return KsSynchronousDeviceControl(m_hPin, IOCTL_KS_DISABLE_EVENT, (PVOID)Event, EventLength, NULL, 0, BytesReturned);
}
//-------------------------------------------------------------------
// IKsPropertySet
//
HRESULT
STDMETHODCALLTYPE
COutputPin::Set(
REFGUID guidPropSet,
DWORD dwPropID,
LPVOID pInstanceData,
DWORD cbInstanceData,
LPVOID pPropData,
DWORD cbPropData)
{
ULONG BytesReturned;
if (cbInstanceData)
{
PKSPROPERTY Property = (PKSPROPERTY)CoTaskMemAlloc(sizeof(KSPROPERTY) + cbInstanceData);
if (!Property)
return E_OUTOFMEMORY;
Property->Set = guidPropSet;
Property->Id = dwPropID;
Property->Flags = KSPROPERTY_TYPE_SET;
CopyMemory((Property+1), pInstanceData, cbInstanceData);
HRESULT hr = KsProperty(Property, sizeof(KSPROPERTY) + cbInstanceData, pPropData, cbPropData, &BytesReturned);
CoTaskMemFree(Property);
return hr;
}
else
{
KSPROPERTY Property;
Property.Set = guidPropSet;
Property.Id = dwPropID;
Property.Flags = KSPROPERTY_TYPE_SET;
HRESULT hr = KsProperty(&Property, sizeof(KSPROPERTY), pPropData, cbPropData, &BytesReturned);
return hr;
}
}
HRESULT
STDMETHODCALLTYPE
COutputPin::Get(
REFGUID guidPropSet,
DWORD dwPropID,
LPVOID pInstanceData,
DWORD cbInstanceData,
LPVOID pPropData,
DWORD cbPropData,
DWORD *pcbReturned)
{
ULONG BytesReturned;
if (cbInstanceData)
{
PKSPROPERTY Property = (PKSPROPERTY)CoTaskMemAlloc(sizeof(KSPROPERTY) + cbInstanceData);
if (!Property)
return E_OUTOFMEMORY;
Property->Set = guidPropSet;
Property->Id = dwPropID;
Property->Flags = KSPROPERTY_TYPE_GET;
CopyMemory((Property+1), pInstanceData, cbInstanceData);
HRESULT hr = KsProperty(Property, sizeof(KSPROPERTY) + cbInstanceData, pPropData, cbPropData, &BytesReturned);
CoTaskMemFree(Property);
return hr;
}
else
{
KSPROPERTY Property;
Property.Set = guidPropSet;
Property.Id = dwPropID;
Property.Flags = KSPROPERTY_TYPE_GET;
HRESULT hr = KsProperty(&Property, sizeof(KSPROPERTY), pPropData, cbPropData, &BytesReturned);
return hr;
}
}
HRESULT
STDMETHODCALLTYPE
COutputPin::QuerySupported(
REFGUID guidPropSet,
DWORD dwPropID,
DWORD *pTypeSupport)
{
KSPROPERTY Property;
ULONG BytesReturned;
#ifdef KSPROXY_TRACE
OutputDebugStringW(L"COutputPin::QuerySupported\n");
#endif
Property.Set = guidPropSet;
Property.Id = dwPropID;
Property.Flags = KSPROPERTY_TYPE_SETSUPPORT;
return KsProperty(&Property, sizeof(KSPROPERTY), pTypeSupport, sizeof(DWORD), &BytesReturned);
}
//-------------------------------------------------------------------
// IPin interface
//
HRESULT
STDMETHODCALLTYPE
COutputPin::Connect(IPin *pReceivePin, const AM_MEDIA_TYPE *pmt)
{
HRESULT hr;
ALLOCATOR_PROPERTIES Properties;
IMemAllocatorCallbackTemp *pMemCallback;
LPGUID pGuid;
ULONG NumGuids = 0;
#ifdef KSPROXY_TRACE
WCHAR Buffer[200];
OutputDebugStringW(L"COutputPin::Connect called\n");
#endif
if (pmt)
{
hr = pReceivePin->QueryAccept(pmt);
if (FAILED(hr))
return hr;
}
else
{
// query accept
hr = pReceivePin->QueryAccept(&m_MediaFormat);
if (FAILED(hr))
return hr;
pmt = &m_MediaFormat;
}
if (m_hPin == INVALID_HANDLE_VALUE)
{
hr = CreatePin(pmt);
if (FAILED(hr))
{
#ifdef KSPROXY_TRACE
swprintf(Buffer, L"COutputPin::Connect CreatePin handle failed with %lx\n", hr);
OutputDebugStringW(Buffer);
#endif
return hr;
}
}
// query for IMemInput interface
hr = pReceivePin->QueryInterface(IID_IMemInputPin, (void**)&m_MemInputPin);
if (FAILED(hr))
{
#ifdef KSPROXY_TRACE
OutputDebugStringW(L"COutputPin::Connect no IMemInputPin interface\n");
#endif
return hr;
}
// get input pin allocator properties
ZeroMemory(&Properties, sizeof(ALLOCATOR_PROPERTIES));
m_MemInputPin->GetAllocatorRequirements(&Properties);
//FIXME determine allocator properties
Properties.cBuffers = 32;
Properties.cbBuffer = 2048 * 188; //2048 frames * MPEG2 TS Payload size
Properties.cbAlign = 4;
// get input pin allocator
#if 0
hr = m_MemInputPin->GetAllocator(&m_MemAllocator);
if (SUCCEEDED(hr))
{
// set allocator properties
hr = m_MemAllocator->SetProperties(&Properties, &m_Properties);
if (FAILED(hr))
m_MemAllocator->Release();
}
#endif
if (1)
{
hr = CKsAllocator_Constructor(NULL, IID_IMemAllocator, (void**)&m_MemAllocator);
if (FAILED(hr))
return hr;
// set allocator properties
hr = m_MemAllocator->SetProperties(&Properties, &m_Properties);
if (FAILED(hr))
{
#ifdef KSPROXY_TRACE
swprintf(Buffer, L"COutputPin::Connect IMemAllocator::SetProperties failed with hr %lx\n", hr);
OutputDebugStringW(Buffer);
#endif
m_MemAllocator->Release();
m_MemInputPin->Release();
return hr;
}
}
// commit property changes
hr = m_MemAllocator->Commit();
if (FAILED(hr))
{
#ifdef KSPROXY_TRACE
swprintf(Buffer, L"COutputPin::Connect IMemAllocator::Commit failed with hr %lx\n", hr);
OutputDebugStringW(Buffer);
#endif
m_MemAllocator->Release();
m_MemInputPin->Release();
return hr;
}
// get callback interface
hr = m_MemAllocator->QueryInterface(IID_IMemAllocatorCallbackTemp, (void**)&pMemCallback);
if (FAILED(hr))
{
#ifdef KSPROXY_TRACE
swprintf(Buffer, L"COutputPin::Connect No IMemAllocatorCallbackTemp interface hr %lx\n", hr);
OutputDebugStringW(Buffer);
#endif
m_MemAllocator->Release();
m_MemInputPin->Release();
return hr;
}
// set notification routine
hr = pMemCallback->SetNotify((IMemAllocatorNotifyCallbackTemp*)this);
// release IMemAllocatorNotifyCallbackTemp interface
pMemCallback->Release();
if (FAILED(hr))
{
#ifdef KSPROXY_TRACE
swprintf(Buffer, L"COutputPin::Connect IMemAllocatorNotifyCallbackTemp::SetNotify failed hr %lx\n", hr);
OutputDebugStringW(Buffer);
#endif
m_MemAllocator->Release();
m_MemInputPin->Release();
return hr;
}
// now set allocator
hr = m_MemInputPin->NotifyAllocator(m_MemAllocator, TRUE);
if (FAILED(hr))
{
#ifdef KSPROXY_TRACE
swprintf(Buffer, L"COutputPin::Connect IMemInputPin::NotifyAllocator failed with hr %lx\n", hr);
OutputDebugStringW(Buffer);
#endif
m_MemAllocator->Release();
m_MemInputPin->Release();
return hr;
}
assert(m_hPin != INVALID_HANDLE_VALUE);
// get all supported sets
if (m_Plugins.empty())
{
if (GetSupportedSets(&pGuid, &NumGuids))
{
// load all proxy plugins
if (FAILED(LoadProxyPlugins(pGuid, NumGuids)))
{
#ifdef KSPROXY_TRACE
OutputDebugStringW(L"COutputPin::Connect LoadProxyPlugins failed\n");
#endif
}
// free sets
CoTaskMemFree(pGuid);
}
}
// receive connection;
hr = pReceivePin->ReceiveConnection((IPin*)this, pmt);
if (SUCCEEDED(hr))
{
// increment reference count
pReceivePin->AddRef();
m_Pin = pReceivePin;
#ifdef KSPROXY_TRACE
OutputDebugStringW(L"COutputPin::Connect success\n");
#endif
}
else
{
m_MemInputPin->Release();
m_MemAllocator->Release();
}
return hr;
}
HRESULT
STDMETHODCALLTYPE
COutputPin::ReceiveConnection(IPin *pConnector, const AM_MEDIA_TYPE *pmt)
{
return E_UNEXPECTED;
}
HRESULT
STDMETHODCALLTYPE
COutputPin::Disconnect( void)
{
#ifdef KSPROXY_TRACE
OutputDebugStringW(L"COutputPin::Disconnect\n");
#endif
if (!m_Pin)
{
// pin was not connected
return S_FALSE;
}
//FIXME
//check if filter is active
m_Pin->Release();
m_Pin = NULL;
m_MemInputPin->Release();
m_MemAllocator->Release();
CloseHandle(m_hPin);
m_hPin = INVALID_HANDLE_VALUE;
#ifdef KSPROXY_TRACE
OutputDebugStringW(L"COutputPin::Disconnect\n");
#endif
return S_OK;
}
HRESULT
STDMETHODCALLTYPE
COutputPin::ConnectedTo(IPin **pPin)
{
#ifdef KSPROXY_TRACE
OutputDebugStringW(L"COutputPin::ConnectedTo\n");
#endif
if (!pPin)
return E_POINTER;
if (m_Pin)
{
// increment reference count
m_Pin->AddRef();
*pPin = m_Pin;
return S_OK;
}
*pPin = NULL;
return VFW_E_NOT_CONNECTED;
}
HRESULT
STDMETHODCALLTYPE
COutputPin::ConnectionMediaType(AM_MEDIA_TYPE *pmt)
{
#ifdef KSPROXY_TRACE
OutputDebugStringW(L"COutputPin::ConnectionMediaType called\n");
#endif
return E_NOTIMPL;
}
HRESULT
STDMETHODCALLTYPE
COutputPin::QueryPinInfo(PIN_INFO *pInfo)
{
wcscpy(pInfo->achName, m_PinName);
pInfo->dir = PINDIR_OUTPUT;
pInfo->pFilter = m_ParentFilter;
m_ParentFilter->AddRef();
return S_OK;
}
HRESULT
STDMETHODCALLTYPE
COutputPin::QueryDirection(PIN_DIRECTION *pPinDir)
{
if (pPinDir)
{
*pPinDir = PINDIR_OUTPUT;
return S_OK;
}
return E_POINTER;
}
HRESULT
STDMETHODCALLTYPE
COutputPin::QueryId(LPWSTR *Id)
{
*Id = (LPWSTR)CoTaskMemAlloc((wcslen(m_PinName)+1)*sizeof(WCHAR));
if (!*Id)
return E_OUTOFMEMORY;
wcscpy(*Id, m_PinName);
return S_OK;
}
HRESULT
STDMETHODCALLTYPE
COutputPin::QueryAccept(const AM_MEDIA_TYPE *pmt)
{
#ifdef KSPROXY_TRACE
OutputDebugStringW(L"COutputPin::QueryAccept called\n");
#endif
return E_NOTIMPL;
}
HRESULT
STDMETHODCALLTYPE
COutputPin::EnumMediaTypes(IEnumMediaTypes **ppEnum)
{
HRESULT hr;
ULONG MediaTypeCount = 0, Index;
AM_MEDIA_TYPE * MediaTypes;
HANDLE hFilter;
IKsObject * KsObjectParent;
hr = m_ParentFilter->QueryInterface(IID_IKsObject, (LPVOID*)&KsObjectParent);
if (FAILED(hr))
return hr;
// get parent filter handle
hFilter = KsObjectParent->KsGetObjectHandle();
// release IKsObject
KsObjectParent->Release();
// query media type count
hr = KsGetMediaTypeCount(hFilter, m_PinId, &MediaTypeCount);
if (FAILED(hr) || !MediaTypeCount)
{
return hr;
}
// allocate media types
MediaTypes = (AM_MEDIA_TYPE*)CoTaskMemAlloc(sizeof(AM_MEDIA_TYPE) * MediaTypeCount);
if (!MediaTypes)
{
// not enough memory
return E_OUTOFMEMORY;
}
// zero media types
ZeroMemory(MediaTypes, sizeof(AM_MEDIA_TYPE) * MediaTypeCount);
for(Index = 0; Index < MediaTypeCount; Index++)
{
// get media type
hr = KsGetMediaType(Index, &MediaTypes[Index], hFilter, m_PinId);
if (FAILED(hr))
{
// failed
CoTaskMemFree(MediaTypes);
return hr;
}
}
return CEnumMediaTypes_fnConstructor(MediaTypeCount, MediaTypes, IID_IEnumMediaTypes, (void**)ppEnum);
}
HRESULT
STDMETHODCALLTYPE
COutputPin::QueryInternalConnections(IPin **apPin, ULONG *nPin)
{
return E_NOTIMPL;
}
HRESULT
STDMETHODCALLTYPE
COutputPin::EndOfStream( void)
{
/* should be called only on input pins */
return E_UNEXPECTED;
}
HRESULT
STDMETHODCALLTYPE
COutputPin::BeginFlush( void)
{
/* should be called only on input pins */
return E_UNEXPECTED;
}
HRESULT
STDMETHODCALLTYPE
COutputPin::EndFlush( void)
{
/* should be called only on input pins */
return E_UNEXPECTED;
}
HRESULT
STDMETHODCALLTYPE
COutputPin::NewSegment(REFERENCE_TIME tStart, REFERENCE_TIME tStop, double dRate)
{
if (!m_Pin)
{
// we are not connected
return VFW_E_NOT_CONNECTED;
}
return m_Pin->NewSegment(tStart, tStop, dRate);
}
//-------------------------------------------------------------------
HRESULT
STDMETHODCALLTYPE
COutputPin::CheckFormat(
const AM_MEDIA_TYPE *pmt)
{
PKSMULTIPLE_ITEM MultipleItem;
PKSDATAFORMAT DataFormat;
HRESULT hr;
IKsObject * KsObjectParent;
HANDLE hFilter;
if (!pmt)
return E_POINTER;
// get IKsObject interface
hr = m_ParentFilter->QueryInterface(IID_IKsObject, (LPVOID*)&KsObjectParent);
if (FAILED(hr))
return hr;
// get parent filter handle
hFilter = KsObjectParent->KsGetObjectHandle();
// release IKsObject
KsObjectParent->Release();
if (!hFilter)
return E_HANDLE;
hr = KsGetMultiplePinFactoryItems(hFilter, m_PinId, KSPROPERTY_PIN_DATARANGES, (PVOID*)&MultipleItem);
if (FAILED(hr))
return S_FALSE;
DataFormat = (PKSDATAFORMAT)(MultipleItem + 1);
for(ULONG Index = 0; Index < MultipleItem->Count; Index++)
{
if (IsEqualGUID(pmt->majortype, DataFormat->MajorFormat) &&
IsEqualGUID(pmt->subtype, DataFormat->SubFormat) &&
IsEqualGUID(pmt->formattype, DataFormat->Specifier))
{
// format is supported
CoTaskMemFree(MultipleItem);
return S_OK;
}
DataFormat = (PKSDATAFORMAT)((ULONG_PTR)DataFormat + DataFormat->FormatSize);
}
//format is not supported
CoTaskMemFree(MultipleItem);
return S_FALSE;
}
HRESULT
STDMETHODCALLTYPE
COutputPin::CreatePin(
const AM_MEDIA_TYPE *pmt)
{
PKSMULTIPLE_ITEM MediumList;
PKSMULTIPLE_ITEM InterfaceList;
PKSPIN_MEDIUM Medium;
PKSPIN_INTERFACE Interface;
IKsInterfaceHandler * InterfaceHandler;
HRESULT hr;
// query for pin medium
hr = KsQueryMediums(&MediumList);
if (FAILED(hr))
{
#ifdef KSPROXY_TRACE
WCHAR Buffer[100];
swprintf(Buffer, L"COutputPin::CreatePin KsQueryMediums failed %lx\n", hr);
OutputDebugStringW(Buffer);
#endif
return hr;
}
// query for pin interface
hr = KsQueryInterfaces(&InterfaceList);
if (FAILED(hr))
{
// failed
#ifdef KSPROXY_TRACE
WCHAR Buffer[100];
swprintf(Buffer, L"COutputPin::CreatePin KsQueryInterfaces failed %lx\n", hr);
OutputDebugStringW(Buffer);
#endif
CoTaskMemFree(MediumList);
return hr;
}
if (MediumList->Count)
{
//use first available medium
Medium = (PKSPIN_MEDIUM)(MediumList + 1);
}
else
{
// default to standard medium
Medium = &StandardPinMedium;
}
if (InterfaceList->Count)
{
//use first available interface
Interface = (PKSPIN_INTERFACE)(InterfaceList + 1);
}
else
{
// default to standard interface
Interface = &StandardPinInterface;
}
if (m_Communication != KSPIN_COMMUNICATION_BRIDGE && m_Communication != KSPIN_COMMUNICATION_NONE)
{
// now create pin
hr = CreatePinHandle(Medium, Interface, pmt);
if (FAILED(hr))
{
#ifdef KSPROXY_TRACE
WCHAR Buffer[100];
swprintf(Buffer, L"COutputPin::CreatePinHandle failed with %lx\n", hr);
OutputDebugStringW(Buffer);
#endif
return hr;
}
if (!m_InterfaceHandler)
{
// now load the IKsInterfaceHandler plugin
hr = CoCreateInstance(Interface->Set, NULL, CLSCTX_INPROC_SERVER, IID_IKsInterfaceHandler, (void**)&InterfaceHandler);
if (FAILED(hr))
{
// failed to load interface handler plugin
CoTaskMemFree(MediumList);
CoTaskMemFree(InterfaceList);
#ifdef KSPROXY_TRACE
WCHAR Buffer[100];
swprintf(Buffer, L"COutputPin::CreatePin failed to create interface handler %lx\n", hr);
OutputDebugStringW(Buffer);
#endif
return hr;
}
// now set the pin
hr = InterfaceHandler->KsSetPin((IKsPin*)this);
if (FAILED(hr))
{
// failed to initialize interface handler plugin
#ifdef KSPROXY_TRACE
WCHAR Buffer[100];
swprintf(Buffer, L"COutputPin::CreatePin failed to initialize interface handler %lx\n", hr);
OutputDebugStringW(Buffer);
#endif
InterfaceHandler->Release();
CoTaskMemFree(MediumList);
CoTaskMemFree(InterfaceList);
return hr;
}
// store interface handler
m_InterfaceHandler = InterfaceHandler;
}
}
else
{
#ifdef KSPROXY_TRACE
WCHAR Buffer[100];
swprintf(Buffer, L"COutputPin::CreatePin unexpected communication %u %s\n", m_Communication, m_PinName);
OutputDebugStringW(Buffer);
#endif
hr = E_FAIL;
}
// free medium / interface / dataformat
CoTaskMemFree(MediumList);
CoTaskMemFree(InterfaceList);
#ifdef KSPROXY_TRACE
WCHAR Buffer[100];
swprintf(Buffer, L"COutputPin::CreatePin Result %lx\n", hr);
OutputDebugStringW(Buffer);
#endif
return hr;
}
HRESULT
STDMETHODCALLTYPE
COutputPin::CreatePinHandle(
PKSPIN_MEDIUM Medium,
PKSPIN_INTERFACE Interface,
const AM_MEDIA_TYPE *pmt)
{
PKSPIN_CONNECT PinConnect;
PKSDATAFORMAT DataFormat;
ULONG Length;
HRESULT hr;
HANDLE hFilter;
IKsObject * KsObjectParent;
//KSALLOCATOR_FRAMING Framing;
//KSPROPERTY Property;
//ULONG BytesReturned;
OutputDebugStringW(L"COutputPin::CreatePinHandle\n");
if (m_hPin != INVALID_HANDLE_VALUE)
{
// pin already exists
//CloseHandle(m_hPin);
//m_hPin = INVALID_HANDLE_VALUE;
OutputDebugStringW(L"COutputPin::CreatePinHandle pin already exists\n");
return S_OK;
}
// calc format size
Length = sizeof(KSPIN_CONNECT) + sizeof(KSDATAFORMAT) + pmt->cbFormat;
// allocate pin connect
PinConnect = (PKSPIN_CONNECT)CoTaskMemAlloc(Length);
if (!PinConnect)
{
// failed
OutputDebugStringW(L"COutputPin::CreatePinHandle out of memory\n");
return E_OUTOFMEMORY;
}
OutputDebugStringW(L"COutputPin::CreatePinHandle copy pinconnect\n");
// setup request
CopyMemory(&PinConnect->Interface, Interface, sizeof(KSPIN_INTERFACE));
CopyMemory(&PinConnect->Medium, Medium, sizeof(KSPIN_MEDIUM));
PinConnect->PinId = m_PinId;
PinConnect->PinToHandle = NULL;
PinConnect->Priority.PriorityClass = KSPRIORITY_NORMAL;
PinConnect->Priority.PrioritySubClass = KSPRIORITY_NORMAL;
// get dataformat offset
DataFormat = (PKSDATAFORMAT)(PinConnect + 1);
OutputDebugStringW(L"COutputPin::CreatePinHandle copy format\n");
// copy data format
DataFormat->FormatSize = sizeof(KSDATAFORMAT) + pmt->cbFormat;
DataFormat->Flags = 0;
DataFormat->SampleSize = pmt->lSampleSize;
DataFormat->Reserved = 0;
CopyMemory(&DataFormat->MajorFormat, &pmt->majortype, sizeof(GUID));
CopyMemory(&DataFormat->SubFormat, &pmt->subtype, sizeof(GUID));
CopyMemory(&DataFormat->Specifier, &pmt->formattype, sizeof(GUID));
if (pmt->cbFormat)
{
// copy extended format
WCHAR Buffer[100];
swprintf(Buffer, L"COutputPin::CreatePinHandle copy format %p pbFormat %lu\n", pmt, pmt->cbFormat);
OutputDebugStringW(Buffer);
CopyMemory((DataFormat + 1), pmt->pbFormat, pmt->cbFormat);
}
// get IKsObject interface
hr = m_ParentFilter->QueryInterface(IID_IKsObject, (LPVOID*)&KsObjectParent);
if (FAILED(hr))
{
OutputDebugStringW(L"COutputPin::CreatePinHandle no IID_IKsObject interface\n");
return hr;
}
// get parent filter handle
hFilter = KsObjectParent->KsGetObjectHandle();
// release IKsObject
KsObjectParent->Release();
if (!hFilter)
{
OutputDebugStringW(L"COutputPin::CreatePinHandle no filter handle\n");
return E_HANDLE;
}
OutputDebugStringW(L"COutputPin::CreatePinHandle before creating pin\n");
// create pin
DWORD dwError = KsCreatePin(hFilter, PinConnect, GENERIC_READ, &m_hPin);
if (dwError == ERROR_SUCCESS)
{
OutputDebugStringW(L"COutputPin::CreatePinHandle created pin\n");
// store current interface / medium
CopyMemory(&m_Medium, Medium, sizeof(KSPIN_MEDIUM));
CopyMemory(&m_Interface, Interface, sizeof(KSPIN_INTERFACE));
CopyMemory(&m_MediaFormat, pmt, sizeof(AM_MEDIA_TYPE));
#ifdef KSPROXY_TRACE
LPOLESTR pMajor, pSub, pFormat;
StringFromIID(m_MediaFormat.majortype, &pMajor);
StringFromIID(m_MediaFormat.subtype , &pSub);
StringFromIID(m_MediaFormat.formattype, &pFormat);
WCHAR Buffer[200];
swprintf(Buffer, L"COutputPin::CreatePinHandle Major %s SubType %s Format %s pbFormat %p cbFormat %u\n", pMajor, pSub, pFormat, pmt->pbFormat, pmt->cbFormat);
CoTaskMemFree(pMajor);
CoTaskMemFree(pSub);
CoTaskMemFree(pFormat);
OutputDebugStringW(Buffer);
#endif
if (pmt->cbFormat)
{
m_MediaFormat.pbFormat = (BYTE*)CoTaskMemAlloc(pmt->cbFormat);
if (!m_MediaFormat.pbFormat)
{
CoTaskMemFree(PinConnect);
m_MediaFormat.pbFormat = NULL;
m_MediaFormat.cbFormat = 0;
return E_OUTOFMEMORY;
}
CopyMemory(m_MediaFormat.pbFormat, pmt->pbFormat, pmt->cbFormat);
}
#if 0
Property.Set = KSPROPSETID_Connection;
Property.Id = KSPROPERTY_CONNECTION_ALLOCATORFRAMING;
Property.Flags = KSPROPERTY_TYPE_GET;
ZeroMemory(&Framing, sizeof(KSALLOCATOR_FRAMING));
hr = KsProperty(&Property, sizeof(KSPROPERTY), (PVOID)&Framing, sizeof(KSALLOCATOR_FRAMING), &BytesReturned);
if (SUCCEEDED(hr))
{
m_Properties.cbAlign = (Framing.FileAlignment + 1);
m_Properties.cbBuffer = Framing.FrameSize;
m_Properties.cbPrefix = 0; //FIXME
m_Properties.cBuffers = Framing.Frames;
}
hr = S_OK;
#endif
if (FAILED(InitializeIOThread()))
{
OutputDebugStringW(L"COutputPin::CreatePinHandle failed to initialize i/o thread\n");
}
//TODO
// connect pin pipes
}
else
OutputDebugStringW(L"COutputPin::CreatePinHandle failed to create pin\n");
// free pin connect
CoTaskMemFree(PinConnect);
return hr;
}
HRESULT
STDMETHODCALLTYPE
COutputPin::GetSupportedSets(
LPGUID * pOutGuid,
PULONG NumGuids)
{
KSPROPERTY Property;
LPGUID pGuid;
ULONG NumProperty = 0;
ULONG NumMethods = 0;
ULONG NumEvents = 0;
ULONG Length;
ULONG BytesReturned;
HRESULT hr;
Property.Set = GUID_NULL;
Property.Id = 0;
Property.Flags = KSPROPERTY_TYPE_SETSUPPORT;
KsSynchronousDeviceControl(m_hPin, IOCTL_KS_PROPERTY, (PVOID)&Property, sizeof(KSPROPERTY), NULL, 0, &NumProperty);
KsSynchronousDeviceControl(m_hPin, IOCTL_KS_METHOD, (PVOID)&Property, sizeof(KSPROPERTY), NULL, 0, &NumMethods);
KsSynchronousDeviceControl(m_hPin, IOCTL_KS_ENABLE_EVENT, (PVOID)&Property, sizeof(KSPROPERTY), NULL, 0, &NumEvents);
Length = NumProperty + NumMethods + NumEvents;
assert(Length);
// allocate guid buffer
pGuid = (LPGUID)CoTaskMemAlloc(Length);
if (!pGuid)
{
// failed
return E_OUTOFMEMORY;
}
NumProperty /= sizeof(GUID);
NumMethods /= sizeof(GUID);
NumEvents /= sizeof(GUID);
// get all properties
hr = KsSynchronousDeviceControl(m_hPin, IOCTL_KS_PROPERTY, (PVOID)&Property, sizeof(KSPROPERTY), (PVOID)pGuid, Length, &BytesReturned);
if (FAILED(hr))
{
CoTaskMemFree(pGuid);
return E_FAIL;
}
Length -= BytesReturned;
// get all methods
if (Length && NumMethods)
{
hr = KsSynchronousDeviceControl(m_hPin, IOCTL_KS_METHOD, (PVOID)&Property, sizeof(KSPROPERTY), (PVOID)&pGuid[NumProperty], Length, &BytesReturned);
if (FAILED(hr))
{
CoTaskMemFree(pGuid);
return E_FAIL;
}
Length -= BytesReturned;
}
// get all events
if (Length && NumEvents)
{
hr = KsSynchronousDeviceControl(m_hPin, IOCTL_KS_ENABLE_EVENT, (PVOID)&Property, sizeof(KSPROPERTY), (PVOID)&pGuid[NumProperty+NumMethods], Length, &BytesReturned);
if (FAILED(hr))
{
CoTaskMemFree(pGuid);
return E_FAIL;
}
Length -= BytesReturned;
}
#ifdef KSPROXY_TRACE
WCHAR Buffer[200];
swprintf(Buffer, L"NumProperty %lu NumMethods %lu NumEvents %lu\n", NumProperty, NumMethods, NumEvents);
OutputDebugStringW(Buffer);
#endif
*pOutGuid = pGuid;
*NumGuids = NumProperty+NumEvents+NumMethods;
return S_OK;
}
HRESULT
STDMETHODCALLTYPE
COutputPin::LoadProxyPlugins(
LPGUID pGuids,
ULONG NumGuids)
{
ULONG Index;
LPOLESTR pStr;
HKEY hKey, hSubKey;
HRESULT hr;
IUnknown * pUnknown;
if (RegOpenKeyExW(HKEY_LOCAL_MACHINE, L"SYSTEM\\CurrentControlSet\\Control\\MediaInterfaces", 0, KEY_READ, &hKey) != ERROR_SUCCESS)
{
OutputDebugStringW(L"CKsProxy::LoadProxyPlugins failed to open MediaInterfaces key\n");
return E_FAIL;
}
// enumerate all sets
for(Index = 0; Index < NumGuids; Index++)
{
// convert to string
hr = StringFromCLSID(pGuids[Index], &pStr);
if (FAILED(hr))
return E_FAIL;
// now try open class key
if (RegOpenKeyExW(hKey, pStr, 0, KEY_READ, &hSubKey) != ERROR_SUCCESS)
{
// no plugin for that set exists
CoTaskMemFree(pStr);
continue;
}
// try load plugin
hr = CoCreateInstance(pGuids[Index], (IBaseFilter*)this, CLSCTX_INPROC_SERVER, IID_IUnknown, (void**)&pUnknown);
if (SUCCEEDED(hr))
{
// store plugin
m_Plugins.push_back(pUnknown);
}
// close key
RegCloseKey(hSubKey);
}
// close media interfaces key
RegCloseKey(hKey);
return S_OK;
}
HRESULT
WINAPI
COutputPin::IoProcessRoutine()
{
IMediaSample *Sample;
LONG SampleCount;
HRESULT hr;
PKSSTREAM_SEGMENT * StreamSegment;
HANDLE hEvent;
IMediaSample ** Samples;
LONG NumHandles;
DWORD dwStatus;
#ifdef KSPROXY_TRACE
WCHAR Buffer[200];
#endif
NumHandles = m_Properties.cBuffers / 2;
if (!NumHandles)
NumHandles = 8;
assert(NumHandles);
//allocate stream segment array
StreamSegment = (PKSSTREAM_SEGMENT*)CoTaskMemAlloc(sizeof(PVOID) * NumHandles);
if (!StreamSegment)
{
OutputDebugStringW(L"COutputPin::IoProcessRoutine out of memory\n");
return E_FAIL;
}
// allocate handle array
Samples = (IMediaSample**)CoTaskMemAlloc(sizeof(IMediaSample*) * NumHandles);
if (!Samples)
{
OutputDebugStringW(L"COutputPin::IoProcessRoutine out of memory\n");
return E_FAIL;
}
// zero handles array
ZeroMemory(StreamSegment, sizeof(PVOID) * NumHandles);
ZeroMemory(Samples, sizeof(IMediaSample*) * NumHandles);
// first wait for the start event to signal
WaitForSingleObject(m_hStartEvent, INFINITE);
m_IoCount = 0;
assert(m_InterfaceHandler);
do
{
if (m_StopInProgress)
{
// stop io thread
break;
}
assert(m_State == KSSTATE_RUN);
assert(m_MemAllocator);
// get buffer
hr = m_MemAllocator->GetBuffer(&Sample, NULL, NULL, AM_GBF_NOWAIT);
if (FAILED(hr))
{
WaitForSingleObject(m_hBufferAvailable, INFINITE);
// now retry again
continue;
}
// fill buffer
SampleCount = 1;
Samples[m_IoCount] = Sample;
Sample->SetTime(NULL, NULL);
hr = m_InterfaceHandler->KsProcessMediaSamples(NULL, /* FIXME */
&Samples[m_IoCount],
&SampleCount,
KsIoOperation_Read,
&StreamSegment[m_IoCount]);
if (FAILED(hr) || !StreamSegment)
{
#ifdef KSPROXY_TRACE
swprintf(Buffer, L"COutputPin::IoProcessRoutine KsProcessMediaSamples FAILED PinName %s hr %lx\n", m_PinName, hr);
OutputDebugStringW(Buffer);
#endif
break;
}
// interface handle should increment pending i/o count
assert(m_IoCount >= 1);
swprintf(Buffer, L"COutputPin::IoProcessRoutine m_IoCount %lu NumHandles %lu\n", m_IoCount, NumHandles);
OutputDebugStringW(Buffer);
if (m_IoCount != NumHandles)
continue;
// get completion handle
hEvent = StreamSegment[0]->CompletionEvent;
// wait for i/o completion
dwStatus = WaitForSingleObject(hEvent, INFINITE);
swprintf(Buffer, L"COutputPin::IoProcessRoutine dwStatus %lx Error %lx NumHandles %lu\n", dwStatus, GetLastError(), NumHandles);
OutputDebugStringW(Buffer);
// perform completion
m_InterfaceHandler->KsCompleteIo(StreamSegment[0]);
// close completion event
CloseHandle(hEvent);
if (SUCCEEDED(hr))
{
assert(m_MemInputPin);
// now deliver the sample
hr = m_MemInputPin->Receive(Samples[0]);
#ifdef KSPROXY_TRACE
swprintf(Buffer, L"COutputPin::IoProcessRoutine PinName %s IMemInputPin::Receive hr %lx Sample %p m_MemAllocator %p\n", m_PinName, hr, Sample, m_MemAllocator);
OutputDebugStringW(Buffer);
#endif
if (FAILED(hr))
break;
Sample = NULL;
}
//circular stream segment array
RtlMoveMemory(StreamSegment, &StreamSegment[1], sizeof(PVOID) * (NumHandles - 1));
RtlMoveMemory(Samples, &Samples[1], sizeof(IMediaSample*) * (NumHandles - 1));
}while(TRUE);
// signal end of i/o thread
SetEvent(m_hStopEvent);
m_IoThreadStarted = false;
return NOERROR;
}
DWORD
WINAPI
COutputPin_IoThreadStartup(
LPVOID lpParameter)
{
COutputPin * Pin = (COutputPin*)lpParameter;
assert(Pin);
return Pin->IoProcessRoutine();
}
HRESULT
WINAPI
COutputPin::InitializeIOThread()
{
HANDLE hThread;
if (m_IoThreadStarted)
return NOERROR;
if (!m_hStartEvent)
m_hStartEvent = CreateEventW(NULL, FALSE, FALSE, NULL);
if (!m_hStartEvent)
return E_OUTOFMEMORY;
if (!m_hStopEvent)
m_hStopEvent = CreateEventW(NULL, FALSE, FALSE, NULL);
if (!m_hStopEvent)
return E_OUTOFMEMORY;
if (!m_hBufferAvailable)
m_hBufferAvailable = CreateEventW(NULL, FALSE, FALSE, NULL);
if (!m_hBufferAvailable)
return E_OUTOFMEMORY;
m_StopInProgress = false;
m_IoThreadStarted = true;
// now create the startup thread
hThread = CreateThread(NULL, 0, COutputPin_IoThreadStartup, (LPVOID)this, 0, NULL);
if (!hThread)
return E_OUTOFMEMORY;
// close thread handle
CloseHandle(hThread);
return NOERROR;
}
HRESULT
STDMETHODCALLTYPE
COutputPin_SetState(
IPin * Pin,
KSSTATE State)
{
HRESULT hr = S_OK;
KSPROPERTY Property;
KSSTATE CurState;
ULONG BytesReturned;
COutputPin * pPin = (COutputPin*)Pin;
#ifdef KSPROXY_TRACE
WCHAR Buffer[200];
#endif
Property.Set = KSPROPSETID_Connection;
Property.Id = KSPROPERTY_CONNECTION_STATE;
Property.Flags = KSPROPERTY_TYPE_SET;
EnterCriticalSection(&pPin->m_Lock);
if (pPin->m_State <= State)
{
if (pPin->m_State == KSSTATE_STOP)
{
hr = pPin->InitializeIOThread();
if (FAILED(hr))
{
// failed to initialize I/O thread
#ifdef KSPROXY_TRACE
OutputDebugStringW(L"Failed to initialize I/O Thread\n");
#endif
LeaveCriticalSection(&pPin->m_Lock);
return hr;
}
CurState = KSSTATE_ACQUIRE;
hr = pPin->KsProperty(&Property, sizeof(KSPROPERTY), &CurState, sizeof(KSSTATE), &BytesReturned);
#ifdef KSPROXY_TRACE
swprintf(Buffer, L"COutputPin_SetState Setting State CurState: KSSTATE_STOP KSSTATE_ACQUIRE PinName %s hr %lx\n", pPin->m_PinName, hr);
OutputDebugStringW(Buffer);
#endif
if (FAILED(hr))
{
LeaveCriticalSection(&pPin->m_Lock);
return hr;
}
pPin->m_State = CurState;
if (pPin->m_State == State)
{
LeaveCriticalSection(&pPin->m_Lock);
return hr;
}
}
if (pPin->m_State == KSSTATE_ACQUIRE)
{
CurState = KSSTATE_PAUSE;
hr = pPin->KsProperty(&Property, sizeof(KSPROPERTY), &CurState, sizeof(KSSTATE), &BytesReturned);
#ifdef KSPROXY_TRACE
swprintf(Buffer, L"COutputPin_SetState Setting State CurState KSSTATE_ACQUIRE KSSTATE_PAUSE PinName %s hr %lx\n", pPin->m_PinName, hr);
OutputDebugStringW(Buffer);
#endif
if (FAILED(hr))
{
LeaveCriticalSection(&pPin->m_Lock);
return hr;
}
pPin->m_State = CurState;
if (pPin->m_State == State)
{
LeaveCriticalSection(&pPin->m_Lock);
return hr;
}
}
if (State == KSSTATE_RUN && pPin->m_State == KSSTATE_PAUSE)
{
CurState = KSSTATE_RUN;
hr = pPin->KsProperty(&Property, sizeof(KSPROPERTY), &CurState, sizeof(KSSTATE), &BytesReturned);
#ifdef KSPROXY_TRACE
swprintf(Buffer, L"COutputPin_SetState Setting State CurState: KSSTATE_PAUSE KSSTATE_RUN PinName %s hr %lx\n", pPin->m_PinName, hr);
OutputDebugStringW(Buffer);
#endif
if (SUCCEEDED(hr))
{
pPin->m_State = CurState;
// signal start event
SetEvent(pPin->m_hStartEvent);
}
}
LeaveCriticalSection(&pPin->m_Lock);
return hr;
}
else
{
if (pPin->m_State == KSSTATE_RUN)
{
// setting pending stop flag
pPin->m_StopInProgress = true;
// release any waiting threads
SetEvent(pPin->m_hBufferAvailable);
// wait until i/o thread is done
WaitForSingleObject(pPin->m_hStopEvent, INFINITE);
CurState = KSSTATE_PAUSE;
hr = pPin->KsProperty(&Property, sizeof(KSPROPERTY), &CurState, sizeof(KSSTATE), &BytesReturned);
#ifdef KSPROXY_TRACE
swprintf(Buffer, L"COutputPin_SetState Setting State CurState: KSSTATE_RUN KSSTATE_PAUSE PinName %s hr %lx\n", pPin->m_PinName, hr);
OutputDebugStringW(Buffer);
#endif
if (FAILED(hr))
{
LeaveCriticalSection(&pPin->m_Lock);
return hr;
}
pPin->m_State = CurState;
if (FAILED(hr))
{
LeaveCriticalSection(&pPin->m_Lock);
return hr;
}
}
if (pPin->m_State == KSSTATE_PAUSE)
{
CurState = KSSTATE_ACQUIRE;
hr = pPin->KsProperty(&Property, sizeof(KSPROPERTY), &CurState, sizeof(KSSTATE), &BytesReturned);
#ifdef KSPROXY_TRACE
swprintf(Buffer, L"COutputPin_SetState Setting State CurState: KSSTATE_PAUSE KSSTATE_ACQUIRE PinName %s hr %lx\n", pPin->m_PinName, hr);
OutputDebugStringW(Buffer);
#endif
if (FAILED(hr))
{
LeaveCriticalSection(&pPin->m_Lock);
return hr;
}
pPin->m_State = CurState;
if (pPin->m_State == State)
{
LeaveCriticalSection(&pPin->m_Lock);
return hr;
}
}
CloseHandle(pPin->m_hStopEvent);
CloseHandle(pPin->m_hStartEvent);
CloseHandle(pPin->m_hBufferAvailable);
/* close event handles */
pPin->m_hStopEvent = NULL;
pPin->m_hStartEvent = NULL;
pPin->m_hBufferAvailable = NULL;
CurState = KSSTATE_STOP;
hr = pPin->KsProperty(&Property, sizeof(KSPROPERTY), &CurState, sizeof(KSSTATE), &BytesReturned);
#ifdef KSPROXY_TRACE
swprintf(Buffer, L"COutputPin_SetState Setting State CurState: KSSTATE_ACQUIRE KSSTATE_STOP PinName %s hr %lx\n", pPin->m_PinName, hr);
OutputDebugStringW(Buffer);
#endif
if (SUCCEEDED(hr))
{
// store state
pPin->m_State = CurState;
}
// unset pending stop flag
pPin->m_StopInProgress = false;
LeaveCriticalSection(&pPin->m_Lock);
return hr;
}
}
HRESULT
WINAPI
COutputPin_Constructor(
IBaseFilter * ParentFilter,
LPCWSTR PinName,
ULONG PinId,
KSPIN_COMMUNICATION Communication,
REFIID riid,
LPVOID * ppv)
{
COutputPin * handler = new COutputPin(ParentFilter, PinName, PinId, Communication);
if (!handler)
return E_OUTOFMEMORY;
if (FAILED(handler->QueryInterface(riid, ppv)))
{
/* not supported */
delete handler;
return E_NOINTERFACE;
}
return S_OK;
}
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