113 lines
3.6 KiB
C
113 lines
3.6 KiB
C
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// Copyright (c) 1997 - 1998 Microsoft Corporation. All Rights Reserved.
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#ifndef __MEDIA_STREAM_SAMPLE_H_
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#define __MEDIA_STREAM_SAMPLE_H_
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class ATL_NO_VTABLE CAMMediaTypeSample :
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public CSample,
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public IAMMediaTypeSample
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{
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public:
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CAMMediaTypeSample();
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virtual ~CAMMediaTypeSample();
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DECLARE_POLY_AGGREGATABLE(CAMMediaTypeSample);
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//
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// IStreamSample
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//
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STDMETHODIMP GetMediaStream(
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/* [in] */ IMediaStream **ppMediaStream)
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{
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return CSample::GetMediaStream(ppMediaStream);
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}
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STDMETHODIMP GetSampleTimes(
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/* [optional][out] */ STREAM_TIME *pStartTime,
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/* [optional][out] */ STREAM_TIME *pEndTime,
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/* [optional][out] */ STREAM_TIME *pCurrentTime)
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{
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return CSample::GetSampleTimes(
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pStartTime,
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pEndTime,
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pCurrentTime
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);
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}
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STDMETHODIMP SetSampleTimes(
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/* [optional][in] */ const STREAM_TIME *pStartTime,
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/* [optional][in] */ const STREAM_TIME *pEndTime)
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{
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return CSample::SetSampleTimes(pStartTime, pEndTime);
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}
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STDMETHODIMP Update(
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/* [in] */ DWORD dwFlags,
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/* [optional][in] */ HANDLE hEvent,
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/* [optional][in] */ PAPCFUNC pfnAPC,
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/* [optional][in] */ DWORD_PTR dwAPCData)
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{
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return CSample::Update(dwFlags, hEvent, pfnAPC, dwAPCData);
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}
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STDMETHODIMP CompletionStatus(
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/* [in] */ DWORD dwFlags,
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/* [optional][in] */ DWORD dwMilliseconds)
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{
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return CSample::CompletionStatus(dwFlags, dwMilliseconds);
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}
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//
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// Extensions to media sample interface.
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//
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STDMETHODIMP SetPointer(BYTE * pBuffer, LONG lSize);
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//
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// Basic methods all forwarded to the media sample.
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//
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STDMETHODIMP GetPointer(BYTE ** ppBuffer);
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STDMETHODIMP_(LONG) GetSize(void);
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STDMETHODIMP GetTime(REFERENCE_TIME * pTimeStart, REFERENCE_TIME * pTimeEnd);
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STDMETHODIMP SetTime(REFERENCE_TIME * pTimeStart, REFERENCE_TIME * pTimeEnd);
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STDMETHODIMP IsSyncPoint(void);
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STDMETHODIMP SetSyncPoint(BOOL bIsSyncPoint);
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STDMETHODIMP IsPreroll(void);
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STDMETHODIMP SetPreroll(BOOL bIsPreroll);
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STDMETHODIMP_(LONG) GetActualDataLength(void);
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STDMETHODIMP SetActualDataLength(LONG lActual);
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STDMETHODIMP GetMediaType(AM_MEDIA_TYPE **ppMediaType);
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STDMETHODIMP SetMediaType(AM_MEDIA_TYPE *pMediaType);
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STDMETHODIMP IsDiscontinuity(void);
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STDMETHODIMP SetDiscontinuity(BOOL bDiscontinuity);
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STDMETHODIMP GetMediaTime(LONGLONG * pTimeStart, LONGLONG * pTimeEnd);
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STDMETHODIMP SetMediaTime(LONGLONG * pTimeStart, LONGLONG * pTimeEnd);
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//
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// Methods for this stream samples that will be called by CMediaSample.
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//
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HRESULT MSCallback_GetPointer(BYTE ** ppBuffer);
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LONG MSCallback_GetSize(void);
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LONG MSCallback_GetActualDataLength(void);
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HRESULT MSCallback_SetActualDataLength(LONG lActual);
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bool MSCallback_AllowSetMediaTypeOnMediaSample(void);
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//
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// Internal functions
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//
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HRESULT Initialize(CAMMediaTypeStream *pStream, long lSize, BYTE *pData);
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HRESULT CopyFrom(IMediaSample *pSrcMediaSample);
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BEGIN_COM_MAP(CAMMediaTypeSample)
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COM_INTERFACE_ENTRY(IAMMediaTypeSample)
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COM_INTERFACE_ENTRY_CHAIN(CSample)
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END_COM_MAP()
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public:
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BYTE * m_pDataPointer;
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LONG m_lSize;
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LONG m_lActualDataLength;
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bool m_bIAllocatedThisBuffer;
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};
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#endif
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