98 lines
2.9 KiB
C
98 lines
2.9 KiB
C
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#include <windows.h>
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#include "ibitmap.h"
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#ifndef _VIDPOOL_H
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#define _VIDPOOL_H
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// {36447655-7089-11d0-BC25-00AA00A13C86}
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DEFINE_GUID(BFID_PRIVATEDIB, 0x36447655, 0x7089, 0x11d0, 0xbc, 0x25, 0x0, 0xaa, 0x0, 0xa1, 0x3c, 0x86);
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class CVidPool;
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class CBitmap :
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public IBitmapSurface
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{
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private:
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LONG m_cRef;
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public:
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LPBYTE m_bits;
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LONG m_pitch;
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int m_lockcount;
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BOOL m_ext;
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CBitmap* m_next;
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CVidPool* m_factory;
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void *m_refdata;
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CBitmap() {m_cRef = 0; m_bits = NULL; m_pitch = 0; m_lockcount = 0; m_ext = FALSE;
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m_next = NULL; m_factory = NULL; m_refdata = NULL;}
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// IUnknown methods
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virtual STDMETHODIMP QueryInterface(REFIID riid, LPVOID * ppvObj);
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virtual STDMETHODIMP_(ULONG) AddRef(void);
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virtual STDMETHODIMP_(ULONG) Release(void);
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// IBitmapSurface methods
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virtual STDMETHODIMP Clone(IBitmapSurface** ppBitmapSurface);
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virtual STDMETHODIMP GetFormat(BFID* pBFID);
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virtual STDMETHODIMP GetFactory(IBitmapSurfaceFactory** ppBitmapSurfaceFactory);
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virtual STDMETHODIMP GetSize(long* pWidth, long* pHeight);
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virtual STDMETHODIMP LockBits(RECT* prcBounds, DWORD dwLockFlags, void** ppBits, long* pPitch);
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virtual STDMETHODIMP UnlockBits(RECT* prcBounds, void* pBits);
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};
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typedef void (NotifyAddingToFreeProc) (CBitmap *pBitmap, DWORD_PTR refdata);
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class CVidPool :
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public IBitmapSurfaceFactory
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{
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private:
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LONG m_cRef;
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BOOL m_growable;
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LONG m_nbufs;
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CBitmap* m_free;
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int m_pitch;
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BFID* m_format;
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CRITICAL_SECTION m_cs;
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LPBITMAPINFOHEADER m_pbmh;
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public:
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NotifyAddingToFreeProc *m_pAddingToFree;
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DWORD_PTR m_refdata;
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CVidPool(void);
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// IUnknown methods
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virtual STDMETHODIMP QueryInterface(REFIID riid, LPVOID* ppvObj);
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virtual STDMETHODIMP_(ULONG) AddRef(void);
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virtual STDMETHODIMP_(ULONG) Release(void);
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// IBitmapSurfaceFactory methods
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virtual STDMETHODIMP CreateBitmapSurface(long width, long height, BFID* pBFID, DWORD dwHintFlags, IBitmapSurface** ppBitmapSurface);
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virtual STDMETHODIMP GetSupportedFormatsCount(long* pcFormats);
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virtual STDMETHODIMP GetSupportedFormats(long cFormats, BFID* pBFIDs);
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// private to implementation of CVidPool
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STDMETHODIMP InitPool(int nBuffers, LPBITMAPINFOHEADER lpcap);
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STDMETHODIMP AddExternalBuffer(void* pBits, void* refdata);
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STDMETHODIMP GetBuffer(CBitmap** ppBitmap, void** prefdata);
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STDMETHODIMP GetBuffer(IBitmapSurface** ppBitmap, void** prefdata);
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void AddToFreeList(CBitmap* pBitmap);
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BOOL Growable(void) { return m_growable; }
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BFID* GetFormat(void) {return m_format;}
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long GetWidth(void) { if (m_pbmh)
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return m_pbmh->biWidth;
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else
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return 0; }
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long GetHeight(void) { if (m_pbmh)
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return m_pbmh->biHeight;
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else
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return 0; }
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};
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#endif // #ifndef _VIDPOOL_H
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