109 lines
3.2 KiB
C++
109 lines
3.2 KiB
C++
// THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF
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// ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO
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// THE IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A
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// PARTICULAR PURPOSE.
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//
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// Copyright (c) Microsoft Corporation. All rights reserved
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#pragma once
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#include "stdafx.h"
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#include "Logger.h"
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// {D378DA82-7D48-4a00-B021-2EA1AFBA757F}
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DEFINE_GUID(CLSID_CMFStreamSinkWrapper,
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0xd378da82, 0x7d48, 0x4a00, 0xb0, 0x21, 0x2e, 0xa1, 0xaf, 0xba, 0x75, 0x7f);
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class CMFStreamSinkWrapper
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: public CComCoClass<CMFStreamSinkWrapper, &CLSID_CMFStreamSinkWrapper>
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, public IMFStreamSink
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{
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public:
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CMFStreamSinkWrapper(IMFStreamSink* pWrappedStreamSink, CLogger* pLogger);
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virtual ~CMFStreamSinkWrapper();
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virtual HRESULT STDMETHODCALLTYPE GetMediaSink(
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/* [out] */ __RPC__deref_out_opt IMFMediaSink **ppMediaSink);
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virtual HRESULT STDMETHODCALLTYPE GetIdentifier(
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/* [out] */ __RPC__out DWORD *pdwIdentifier);
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virtual HRESULT STDMETHODCALLTYPE GetMediaTypeHandler(
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/* [out] */ __RPC__deref_out_opt IMFMediaTypeHandler **ppHandler);
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virtual HRESULT STDMETHODCALLTYPE ProcessSample(
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/* [in] */ __RPC__in_opt IMFSample *pSample);
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virtual HRESULT STDMETHODCALLTYPE PlaceMarker(
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/* [in] */ MFSTREAMSINK_MARKER_TYPE eMarkerType,
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/* [in] */ __RPC__in const PROPVARIANT *pvarMarkerValue,
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/* [in] */ __RPC__in const PROPVARIANT *pvarContextValue);
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virtual HRESULT STDMETHODCALLTYPE Flush( void);
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virtual HRESULT STDMETHODCALLTYPE GetEvent(
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/* [in] */ DWORD dwFlags,
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/* [out] */ __RPC__deref_out_opt IMFMediaEvent **ppEvent);
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virtual /* [local] */ HRESULT STDMETHODCALLTYPE BeginGetEvent(
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/* [in] */ IMFAsyncCallback *pCallback,
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/* [in] */ IUnknown *punkState);
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virtual /* [local] */ HRESULT STDMETHODCALLTYPE EndGetEvent(
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/* [in] */ IMFAsyncResult *pResult,
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/* [out] */
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__out IMFMediaEvent **ppEvent);
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virtual HRESULT STDMETHODCALLTYPE QueueEvent(
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/* [in] */ MediaEventType met,
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/* [in] */ __RPC__in REFGUID guidExtendedType,
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/* [in] */ HRESULT hrStatus,
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/* [unique][in] */ __RPC__in_opt const PROPVARIANT *pvValue);
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virtual HRESULT STDMETHODCALLTYPE QueryInterface(REFIID riid, void** pp)
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{
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if(pp == NULL)
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{
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return E_POINTER;
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}
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if(riid == IID_IUnknown || riid == IID_IMFStreamSink)
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{
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*pp = this;
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AddRef();
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return S_OK;
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}
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else if( SUCCEEDED(m_spWrappedStreamSink->QueryInterface(riid, pp)) )
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{
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return S_OK;
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}
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return E_NOINTERFACE;
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}
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virtual ULONG STDMETHODCALLTYPE AddRef()
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{
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LONG cRef = InterlockedIncrement(&m_cRef);
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return cRef;
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}
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virtual ULONG STDMETHODCALLTYPE Release()
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{
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LONG cRef = InterlockedDecrement( &m_cRef );
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if( cRef == 0 )
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{
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delete this;
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}
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return( cRef );
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}
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private:
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CComPtr<IMFStreamSink> m_spWrappedStreamSink;
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CLogger* m_pLogger;
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LONG m_cRef;
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};
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