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Diffstat (limited to 'thirdparties/win32/include/directshow/winctrl.h')
| -rw-r--r-- | thirdparties/win32/include/directshow/winctrl.h | 224 |
1 files changed, 224 insertions, 0 deletions
diff --git a/thirdparties/win32/include/directshow/winctrl.h b/thirdparties/win32/include/directshow/winctrl.h new file mode 100644 index 0000000..f18ba82 --- /dev/null +++ b/thirdparties/win32/include/directshow/winctrl.h @@ -0,0 +1,224 @@ +//------------------------------------------------------------------------------ +// File: WinCtrl.h +// +// Desc: DirectShow base classes - defines classes for video control +// interfaces. +// +// Copyright (c) 1992-2001 Microsoft Corporation. All rights reserved. +//------------------------------------------------------------------------------ + + +#ifndef __WINCTRL__ +#define __WINCTRL__ + +#define ABSOL(x) (x < 0 ? -x : x) +#define NEGAT(x) (x > 0 ? -x : x) + +// Helper +BOOL WINAPI PossiblyEatMessage(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam); + +class CBaseControlWindow : public CBaseVideoWindow, public CBaseWindow +{ +protected: + + CBaseFilter *m_pFilter; // Pointer to owning media filter + CBasePin *m_pPin; // Controls media types for connection + CCritSec *m_pInterfaceLock; // Externally defined critical section + COLORREF m_BorderColour; // Current window border colour + BOOL m_bAutoShow; // What happens when the state changes + HWND m_hwndOwner; // Owner window that we optionally have + HWND m_hwndDrain; // HWND to post any messages received + BOOL m_bCursorHidden; // Should we hide the window cursor + +public: + + // Internal methods for other objects to get information out + + HRESULT DoSetWindowStyle(long Style,long WindowLong); + HRESULT DoGetWindowStyle(__out long *pStyle,long WindowLong); + BOOL IsAutoShowEnabled() { return m_bAutoShow; }; + COLORREF GetBorderColour() { return m_BorderColour; }; + HWND GetOwnerWindow() { return m_hwndOwner; }; + BOOL IsCursorHidden() { return m_bCursorHidden; }; + + inline BOOL PossiblyEatMessage(UINT uMsg, WPARAM wParam, LPARAM lParam) + { + return ::PossiblyEatMessage(m_hwndDrain, uMsg, wParam, lParam); + } + + // Derived classes must call this to set the pin the filter is using + // We don't have the pin passed in to the constructor (as we do with + // the CBaseFilter object) because filters typically create the + // pins dynamically when requested in CBaseFilter::GetPin. This can + // not be called from our constructor because is is a virtual method + + void SetControlWindowPin(CBasePin *pPin) { + m_pPin = pPin; + } + +public: + + CBaseControlWindow(__inout CBaseFilter *pFilter, // Owning media filter + __in CCritSec *pInterfaceLock, // Locking object + __in_opt LPCTSTR pName, // Object description + __inout_opt LPUNKNOWN pUnk, // Normal COM ownership + __inout HRESULT *phr); // OLE return code + + // These are the properties we support + + STDMETHODIMP put_Caption(__in BSTR strCaption); + STDMETHODIMP get_Caption(__out BSTR *pstrCaption); + STDMETHODIMP put_AutoShow(long AutoShow); + STDMETHODIMP get_AutoShow(__out long *AutoShow); + STDMETHODIMP put_WindowStyle(long WindowStyle); + STDMETHODIMP get_WindowStyle(__out long *pWindowStyle); + STDMETHODIMP put_WindowStyleEx(long WindowStyleEx); + STDMETHODIMP get_WindowStyleEx(__out long *pWindowStyleEx); + STDMETHODIMP put_WindowState(long WindowState); + STDMETHODIMP get_WindowState(__out long *pWindowState); + STDMETHODIMP put_BackgroundPalette(long BackgroundPalette); + STDMETHODIMP get_BackgroundPalette(__out long *pBackgroundPalette); + STDMETHODIMP put_Visible(long Visible); + STDMETHODIMP get_Visible(__out long *pVisible); + STDMETHODIMP put_Left(long Left); + STDMETHODIMP get_Left(__out long *pLeft); + STDMETHODIMP put_Width(long Width); + STDMETHODIMP get_Width(__out long *pWidth); + STDMETHODIMP put_Top(long Top); + STDMETHODIMP get_Top(__out long *pTop); + STDMETHODIMP put_Height(long Height); + STDMETHODIMP get_Height(__out long *pHeight); + STDMETHODIMP put_Owner(OAHWND Owner); + STDMETHODIMP get_Owner(__out OAHWND *Owner); + STDMETHODIMP put_MessageDrain(OAHWND Drain); + STDMETHODIMP get_MessageDrain(__out OAHWND *Drain); + STDMETHODIMP get_BorderColor(__out long *Color); + STDMETHODIMP put_BorderColor(long Color); + STDMETHODIMP get_FullScreenMode(__out long *FullScreenMode); + STDMETHODIMP put_FullScreenMode(long FullScreenMode); + + // And these are the methods + + STDMETHODIMP SetWindowForeground(long Focus); + STDMETHODIMP NotifyOwnerMessage(OAHWND hwnd,long uMsg,LONG_PTR wParam,LONG_PTR lParam); + STDMETHODIMP GetMinIdealImageSize(__out long *pWidth,__out long *pHeight); + STDMETHODIMP GetMaxIdealImageSize(__out long *pWidth,__out long *pHeight); + STDMETHODIMP SetWindowPosition(long Left,long Top,long Width,long Height); + STDMETHODIMP GetWindowPosition(__out long *pLeft,__out long *pTop,__out long *pWidth,__out long *pHeight); + STDMETHODIMP GetRestorePosition(__out long *pLeft,__out long *pTop,__out long *pWidth,__out long *pHeight); + STDMETHODIMP HideCursor(long HideCursor); + STDMETHODIMP IsCursorHidden(__out long *CursorHidden); +}; + +// This class implements the IBasicVideo interface + +class CBaseControlVideo : public CBaseBasicVideo +{ +protected: + + CBaseFilter *m_pFilter; // Pointer to owning media filter + CBasePin *m_pPin; // Controls media types for connection + CCritSec *m_pInterfaceLock; // Externally defined critical section + +public: + + // Derived classes must provide these for the implementation + + virtual HRESULT IsDefaultTargetRect() PURE; + virtual HRESULT SetDefaultTargetRect() PURE; + virtual HRESULT SetTargetRect(RECT *pTargetRect) PURE; + virtual HRESULT GetTargetRect(RECT *pTargetRect) PURE; + virtual HRESULT IsDefaultSourceRect() PURE; + virtual HRESULT SetDefaultSourceRect() PURE; + virtual HRESULT SetSourceRect(RECT *pSourceRect) PURE; + virtual HRESULT GetSourceRect(RECT *pSourceRect) PURE; + virtual HRESULT GetStaticImage(__inout long *pBufferSize,__out_bcount_part(*pBufferSize, *pBufferSize) long *pDIBImage) PURE; + + // Derived classes must override this to return a VIDEOINFO representing + // the video format. We cannot call IPin ConnectionMediaType to get this + // format because various filters dynamically change the type when using + // DirectDraw such that the format shows the position of the logical + // bitmap in a frame buffer surface, so the size might be returned as + // 1024x768 pixels instead of 320x240 which is the real video dimensions + + __out virtual VIDEOINFOHEADER *GetVideoFormat() PURE; + + // Helper functions for creating memory renderings of a DIB image + + HRESULT GetImageSize(__in VIDEOINFOHEADER *pVideoInfo, + __out LONG *pBufferSize, + __in RECT *pSourceRect); + + HRESULT CopyImage(IMediaSample *pMediaSample, + __in VIDEOINFOHEADER *pVideoInfo, + __inout LONG *pBufferSize, + __out_bcount_part(*pBufferSize, *pBufferSize) BYTE *pVideoImage, + __in RECT *pSourceRect); + + // Override this if you want notifying when the rectangles change + virtual HRESULT OnUpdateRectangles() { return NOERROR; }; + virtual HRESULT OnVideoSizeChange(); + + // Derived classes must call this to set the pin the filter is using + // We don't have the pin passed in to the constructor (as we do with + // the CBaseFilter object) because filters typically create the + // pins dynamically when requested in CBaseFilter::GetPin. This can + // not be called from our constructor because is is a virtual method + + void SetControlVideoPin(__inout CBasePin *pPin) { + m_pPin = pPin; + } + + // Helper methods for checking rectangles + virtual HRESULT CheckSourceRect(__in RECT *pSourceRect); + virtual HRESULT CheckTargetRect(__in RECT *pTargetRect); + +public: + + CBaseControlVideo(__inout CBaseFilter *pFilter, // Owning media filter + __in CCritSec *pInterfaceLock, // Serialise interface + __in_opt LPCTSTR pName, // Object description + __inout_opt LPUNKNOWN pUnk, // Normal COM ownership + __inout HRESULT *phr); // OLE return code + + // These are the properties we support + + STDMETHODIMP get_AvgTimePerFrame(__out REFTIME *pAvgTimePerFrame); + STDMETHODIMP get_BitRate(__out long *pBitRate); + STDMETHODIMP get_BitErrorRate(__out long *pBitErrorRate); + STDMETHODIMP get_VideoWidth(__out long *pVideoWidth); + STDMETHODIMP get_VideoHeight(__out long *pVideoHeight); + STDMETHODIMP put_SourceLeft(long SourceLeft); + STDMETHODIMP get_SourceLeft(__out long *pSourceLeft); + STDMETHODIMP put_SourceWidth(long SourceWidth); + STDMETHODIMP get_SourceWidth(__out long *pSourceWidth); + STDMETHODIMP put_SourceTop(long SourceTop); + STDMETHODIMP get_SourceTop(__out long *pSourceTop); + STDMETHODIMP put_SourceHeight(long SourceHeight); + STDMETHODIMP get_SourceHeight(__out long *pSourceHeight); + STDMETHODIMP put_DestinationLeft(long DestinationLeft); + STDMETHODIMP get_DestinationLeft(__out long *pDestinationLeft); + STDMETHODIMP put_DestinationWidth(long DestinationWidth); + STDMETHODIMP get_DestinationWidth(__out long *pDestinationWidth); + STDMETHODIMP put_DestinationTop(long DestinationTop); + STDMETHODIMP get_DestinationTop(__out long *pDestinationTop); + STDMETHODIMP put_DestinationHeight(long DestinationHeight); + STDMETHODIMP get_DestinationHeight(__out long *pDestinationHeight); + + // And these are the methods + + STDMETHODIMP GetVideoSize(__out long *pWidth,__out long *pHeight); + STDMETHODIMP SetSourcePosition(long Left,long Top,long Width,long Height); + STDMETHODIMP GetSourcePosition(__out long *pLeft,__out long *pTop,__out long *pWidth,__out long *pHeight); + STDMETHODIMP GetVideoPaletteEntries(long StartIndex,long Entries,__out long *pRetrieved,__out_ecount_part(Entries, *pRetrieved) long *pPalette); + STDMETHODIMP SetDefaultSourcePosition(); + STDMETHODIMP IsUsingDefaultSource(); + STDMETHODIMP SetDestinationPosition(long Left,long Top,long Width,long Height); + STDMETHODIMP GetDestinationPosition(__out long *pLeft,__out long *pTop,__out long *pWidth,__out long *pHeight); + STDMETHODIMP SetDefaultDestinationPosition(); + STDMETHODIMP IsUsingDefaultDestination(); + STDMETHODIMP GetCurrentImage(__inout long *pBufferSize,__out_bcount_part(*pBufferSize, *pBufferSize) long *pVideoImage); +}; + +#endif // __WINCTRL__ + |
