Procesamiento digital de video en tiempo real y - Maestría en ...

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Procesamiento digital de video en tiempo real y “video wall” con la PC 110 } if (tmp1 >= 0 && tmp2 >= 0) { m_start = tmp1; m_length = tmp2; } // Encuentra cual efecto especial hemos seleccionado for (int i = IDC_EMBOSS; i
Procesamiento digital de video en tiempo real y “video wall” con la PC 111 // { 8B498502-1218-11cf-ADC4-00A0D100041B } DEFINE_GUID(CLSID_EZrgb24PropertyPage, 0x8b498502, 0x1218, 0x11cf, 0xad, 0xc4, 0x0, 0xa0, 0xd1, 0x0, 0x4, 0x1b); //------------------------------------------------------------------------------ // File: EZRGB24.h // // Desc: DirectShow sample code - special effects filter header file. // // Copyright (c) 1992-2001 Microsoft Corporation. All rights reserved. //------------------------------------------------------------------------------ class CEZrgb24 : public CTransformFilter, public IIPEffect, public ISpecifyPropertyPages, public CPersistStream { public: DECLARE_IUNKNOWN; static CUnknown * WINAPI CreateInstance(LPUNKNOWN punk, HRESULT *phr); // Reveals IEZrgb24 and ISpecifyPropertyPages STDMETHODIMP NonDelegatingQueryInterface(REFIID riid, void ** ppv); // CPersistStream stuff HRESULT ScribbleToStream(IStream *pStream); HRESULT ReadFromStream(IStream *pStream); // Overrriden from CTransformFilter base class HRESULT Transform(IMediaSample *pIn, IMediaSample *pOut); HRESULT CheckInputType(const CMediaType *mtIn); HRESULT CheckTransform(const CMediaType *mtIn, const CMediaType *mtOut); HRESULT DecideBufferSize(IMemAllocator *pAlloc, ALLOCATOR_PROPERTIES *pProperties); HRESULT GetMediaType(int iPosition, CMediaType *pMediaType); // These implement the custom IIPEffect interface STDMETHODIMP get_IPEffect(int *IPEffect, REFTIME *StartTime, REFTIME *Length); STDMETHODIMP put_IPEffect(int IPEffect, REFTIME StartTime, REFTIME Length); // ISpecifyPropertyPages interface STDMETHODIMP GetPages(CAUUID *pPages); // CPersistStream override STDMETHODIMP GetClassID(CLSID *pClsid); private: // Constructor CEZrgb24(TCHAR *tszName, LPUNKNOWN punk, HRESULT *phr); // Look after doing the special effect BOOL CanPerformEZrgb24(const CMediaType *pMediaType) const; HRESULT Copy(IMediaSample *pSource, IMediaSample *pDest) const; HRESULT Transform(IMediaSample *pMediaSample); CCritSec m_EZrgb24Lock; // Private play critical section int m_effect; // Which effect are we processing CRefTime m_effectStartTime; // When the effect will begin CRefTime m_effectTime; // And how long it will last for const long m_lBufferRequest; // The number of buffers to use }; // EZrgb2
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