126 lines
4.2 KiB
C
126 lines
4.2 KiB
C
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DEFINE_AVIGUID(CLSID_EditStream, 0x0002000A, 0, 0);
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struct FAR ICEditStreamInternal : public IUnknown
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{
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STDMETHOD(GetInternalPointer)(LPVOID FAR * ppInternal) = 0;
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};
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///////////////////////////////////////////////////////////////////////////
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///////////////////////////////////////////////////////////////////////////
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///////////////////////////////////////////////////////////////////////////
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typedef struct {
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PAVISTREAM pavi;
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LONG lStart;
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LONG lLength;
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LONG unused; // pad to power of two in size....
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RECT rcSource;
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RECT rcDest;
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} EDIT, FAR * LPEDIT;
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class FAR CEditStream : public virtual IAVIStream,
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public virtual IAVIEditStream,
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public virtual ICEditStreamInternal
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#ifdef CUSTOMMARSHAL
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, public virtual IMarshal
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#endif
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{
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public:
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static CEditStream FAR * NewEditStream(PAVISTREAM psSource);
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STDMETHODIMP QueryInterface(const IID FAR& riid, void FAR* FAR* ppv); \
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STDMETHODIMP_(ULONG) AddRef(); \
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STDMETHODIMP_(ULONG) Release();
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STDMETHODIMP Create (THIS_ LPARAM lParam1, LPARAM lParam2);
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STDMETHODIMP Info (THIS_ AVISTREAMINFOW FAR * psi, LONG lSize);
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STDMETHODIMP_(LONG) FindSample (THIS_ LONG lPos, LONG lFlags);
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STDMETHODIMP ReadFormat (THIS_ LONG lPos,
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LPVOID lpFormat, LONG FAR *cbFormat);
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STDMETHODIMP SetFormat (THIS_ LONG lPos,
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LPVOID lpFormat, LONG cbFormat);
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STDMETHODIMP Read (THIS_ LONG lStart, LONG lSamples,
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LPVOID lpBuffer, LONG cbBuffer,
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LONG FAR * plBytes, LONG FAR * plSamples);
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STDMETHODIMP Write (THIS_ LONG lStart, LONG lSamples,
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LPVOID lpBuffer, LONG cbBuffer,
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DWORD dwFlags,
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LONG FAR *plSampWritten,
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LONG FAR *plBytesWritten);
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STDMETHODIMP Delete (THIS_ LONG lStart, LONG lSamples);
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STDMETHODIMP ReadData (THIS_ DWORD fcc, LPVOID lp, LONG FAR *lpcb);
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STDMETHODIMP WriteData (THIS_ DWORD fcc, LPVOID lp, LONG cb);
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STDMETHODIMP Reserved1 (THIS);
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STDMETHODIMP Reserved2 (THIS);
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STDMETHODIMP Reserved3 (THIS);
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STDMETHODIMP Reserved4 (THIS);
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STDMETHODIMP Reserved5 (THIS);
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STDMETHODIMP Cut(LONG FAR *plStart, LONG FAR *plLength, PAVISTREAM FAR * ppResult);
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STDMETHODIMP Copy(LONG FAR *plStart, LONG FAR *plLength, PAVISTREAM FAR * ppResult);
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STDMETHODIMP Paste(LONG FAR *plPos, LONG FAR *plLength, PAVISTREAM pstream, LONG lStart, LONG lLength);
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STDMETHODIMP Clone(PAVISTREAM FAR *ppResult);
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STDMETHODIMP SetInfo(AVISTREAMINFOW FAR *lpInfo, LONG cbInfo);
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static HRESULT NewInstance(IUnknown FAR* pUnknownOuter,
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REFIID riid,
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LPVOID FAR* ppv);
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STDMETHODIMP GetInternalPointer(LPVOID FAR * ppv);
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#ifdef CUSTOMMARSHAL
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// *** IMarshal methods ***
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BOOL CanMarshalSimply();
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STDMETHODIMP GetUnmarshalClass (THIS_ REFIID riid, LPVOID pv,
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DWORD dwDestContext, LPVOID pvDestContext,
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DWORD mshlflags, LPCLSID pCid);
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STDMETHODIMP GetMarshalSizeMax (THIS_ REFIID riid, LPVOID pv,
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DWORD dwDestContext, LPVOID pvDestContext,
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DWORD mshlflags, LPDWORD pSize);
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STDMETHODIMP MarshalInterface (THIS_ LPSTREAM pStm, REFIID riid,
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LPVOID pv, DWORD dwDestContext, LPVOID pvDestContext,
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DWORD mshlflags);
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STDMETHODIMP UnmarshalInterface (THIS_ LPSTREAM pStm, REFIID riid,
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LPVOID FAR* ppv);
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STDMETHODIMP ReleaseMarshalData (THIS_ LPSTREAM pStm);
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STDMETHODIMP DisconnectObject (THIS_ DWORD dwReserved);
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#endif // CUSTOMMARSHAL
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private:
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CEditStream() {
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cedits = 0;
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maxedits = 0;
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edits = NULL;
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pgf = NULL;
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psgf = NULL;
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fFullFrames = FALSE;
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};
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HRESULT ResolveEdits(LONG lPos,
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PAVISTREAM FAR *ppavi, LONG FAR *plPos,
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LONG FAR *pl, BOOL fAllowEnd);
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HRESULT PossiblyRemoveEdit(LONG l);
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HRESULT AllocEditSpace(LONG l, LONG cNew);
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LPBITMAPINFOHEADER NEAR PASCAL CEditStream::CallGetFrame(
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PAVISTREAM p,
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LONG l);
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void CheckEditList();
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public:
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ULONG ulRefCount;
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//
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// instance data
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//
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AVISTREAMINFOW sinfo;
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LONG cedits;
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LONG maxedits;
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BOOL fFullFrames;
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EDIT _huge * edits;
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//
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// cached PGETFRAME
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PGETFRAME pgf;
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PAVISTREAM psgf;
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LPBITMAPINFOHEADER lpbiLast;
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};
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