73 lines
2.2 KiB
C++
73 lines
2.2 KiB
C++
//////////////////////////////////////////////////////////////////////////
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//
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// MPEG1ByteStreamHandler.h
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// Implements the byte-stream handler for the MPEG1 source.
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//
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// 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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//
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//////////////////////////////////////////////////////////////////////////
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#pragma once
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//-------------------------------------------------------------------
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// MPEG1ByteStreamHandler class
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//
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// Byte-stream handler for MPEG-1 streams.
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//-------------------------------------------------------------------
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class MPEG1ByteStreamHandler
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: BaseObject,
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RefCountedObject,
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public IMFByteStreamHandler,
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public IMFAsyncCallback
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{
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public:
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static HRESULT CreateInstance(IUnknown *pUnkOuter, REFIID iid, void **ppMEG);
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// IUnknown
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STDMETHODIMP QueryInterface(REFIID iid, void** ppv);
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STDMETHODIMP_(ULONG) AddRef();
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STDMETHODIMP_(ULONG) Release();
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// IMFAsyncCallback
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STDMETHODIMP GetParameters(DWORD* pdwFlags, DWORD* pdwQueue)
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{
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// Implementation of this method is optional.
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return E_NOTIMPL;
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}
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STDMETHODIMP Invoke(IMFAsyncResult* pResult);
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// IMFByteStreamHandler
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STDMETHODIMP BeginCreateObject(
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/* [in] */ IMFByteStream *pByteStream,
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/* [in] */ LPCWSTR pwszURL,
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/* [in] */ DWORD dwFlags,
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/* [in] */ IPropertyStore *pProps,
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/* [out] */ IUnknown **ppIUnknownCancelCookie,
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/* [in] */ IMFAsyncCallback *pCallback,
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/* [in] */ IUnknown *punkState);
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STDMETHODIMP EndCreateObject(
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/* [in] */ IMFAsyncResult *pResult,
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/* [out] */ MF_OBJECT_TYPE *pObjectType,
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/* [out] */ IUnknown **ppObject);
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STDMETHODIMP CancelObjectCreation(IUnknown *pIUnknownCancelCookie);
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STDMETHODIMP GetMaxNumberOfBytesRequiredForResolution(QWORD* pqwBytes);
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private:
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MPEG1ByteStreamHandler(HRESULT& hr);
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~MPEG1ByteStreamHandler();
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MPEG1Source *m_pSource;
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IMFAsyncResult *m_pResult;
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}; |