113 lines
2.4 KiB
C
113 lines
2.4 KiB
C
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//
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// FPPin.h
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//
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#include "FPFilter.h"
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typedef enum
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{
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PS_NOSTREAMING =0,
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PS_STREAMING
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} PIN_STREAMING_STATE;
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//
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// CFPPin implements the output pin
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//
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class CFPPin :
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public CSourceStream,
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public IAMStreamConfig,
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public IAMBufferNegotiation
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{
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public:
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// --- Constructor / Destructor ---
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CFPPin(
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CFPFilter* pFilter,
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HRESULT* phr,
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LPCWSTR pPinName
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);
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~CFPPin();
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public:
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// --- IUnknown ---
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DECLARE_IUNKNOWN;
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STDMETHODIMP NonDelegatingQueryInterface(
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REFIID riid,
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void** ppv
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);
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public:
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// --- CSourceStream pure methods ---
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// initialize play timing data
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HRESULT OnThreadStartPlay();
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// stuff an audio buffer with the current format
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HRESULT FillBuffer(
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IN IMediaSample *pms
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);
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// ask for buffers of the size appropriate to the agreed media type.
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HRESULT DecideBufferSize(
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IN IMemAllocator *pIMemAlloc,
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OUT ALLOCATOR_PROPERTIES *pProperties
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);
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// --- CSourceStream virtual methods ---
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HRESULT GetMediaType(
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OUT CMediaType *pmt
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);
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// verify we can handle this format
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HRESULT CheckMediaType(
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IN const CMediaType *pMediaType
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);
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HRESULT SetMediaType(
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IN const CMediaType *pMediaType
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);
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// --- IAMStreamConfig ---
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STDMETHODIMP SetFormat(
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AM_MEDIA_TYPE* pmt
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);
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STDMETHODIMP GetFormat(
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AM_MEDIA_TYPE** ppmt
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);
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STDMETHODIMP GetNumberOfCapabilities(
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int* piCount,
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int* piSize
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);
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STDMETHODIMP GetStreamCaps(
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int i,
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AM_MEDIA_TYPE** ppmt,
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LPBYTE pSCC
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);
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// --- IAMBufferNegotiation methods ---
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STDMETHODIMP SuggestAllocatorProperties(
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const ALLOCATOR_PROPERTIES* pprop
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);
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STDMETHODIMP GetAllocatorProperties(
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ALLOCATOR_PROPERTIES* pprop
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);
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// CSourceStream methods
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virtual HRESULT Deliver(
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IN IMediaSample* pSample
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);
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private:
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// --- Members ---
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CFPFilter* m_pFPFilter; // back reference to the filter
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BOOL m_bFinished; // If we need to send finished message
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CMSPCritSection m_Lock; // Critical section
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};
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// eof
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