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136 lines
4.6 KiB
C++
136 lines
4.6 KiB
C++
//------------------------------------------------------------------------------
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// File: VPConfig.h
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//
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// Desc: An interface exposed by the decoder to help it and the filter
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// configuring the videoport to communicate.
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//
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// Copyright (c) 1992-2001, Microsoft Corporation. All rights reserved.
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//------------------------------------------------------------------------------
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#ifndef __IVPConfig__
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#define __IVPConfig__
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#ifdef __cplusplus
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extern "C" {
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#endif
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// IVPBaseConfig
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DECLARE_INTERFACE_(IVPBaseConfig, IUnknown)
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{
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public:
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// gets the various connection information structures (guid, portwidth)
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// in an array of structures. If the pointer to the array is NULL, first
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// parameter returns the total number of formats supported.
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STDMETHOD (GetConnectInfo)(THIS_
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IN OUT LPDWORD pdwNumConnectInfo,
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IN OUT LPDDVIDEOPORTCONNECT pddVPConnectInfo
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) PURE;
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// sets the connection entry chosen (0, 1, .. ,(dwNumProposedEntries-1))
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STDMETHOD (SetConnectInfo)(THIS_
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IN DWORD dwChosenEntry
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) PURE;
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// gets various data parameters, includes dimensionnal info
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STDMETHOD (GetVPDataInfo)(THIS_
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IN OUT LPAMVPDATAINFO pamvpDataInfo
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) PURE;
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// retrives maximum pixels per second rate expected for a given
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// format and a given scaling factor. If decoder does not support
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// those scaling factors, then it gives the rate and the nearest
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// scaling factors.
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STDMETHOD (GetMaxPixelRate)(THIS_
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IN OUT LPAMVPSIZE pamvpSize,
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OUT LPDWORD pdwMaxPixelsPerSecond
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) PURE;
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// informs the callee of the videoformats supported by the videoport
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STDMETHOD (InformVPInputFormats)(THIS_
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IN DWORD dwNumFormats,
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IN LPDDPIXELFORMAT pDDPixelFormats
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) PURE;
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// gets the various formats supported by the decoder in an array
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// of structures. If the pointer to the array is NULL, first parameter
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// returns the total number of formats supported.
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STDMETHOD (GetVideoFormats)(THIS_
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IN OUT LPDWORD pdwNumFormats,
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IN OUT LPDDPIXELFORMAT pddPixelFormats
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) PURE;
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// sets the format entry chosen (0, 1, .. ,(dwNumProposedEntries-1))
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STDMETHOD (SetVideoFormat)(THIS_
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IN DWORD dwChosenEntry
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) PURE;
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// asks the decoder to treat even fields like odd fields and visa versa
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STDMETHOD (SetInvertPolarity)(THIS_
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) PURE;
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// the mixer uses this function to determine if the callee wants
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// the vpmixer to use its overlay surface and if so to get a pointer to it
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STDMETHOD (GetOverlaySurface)(THIS_
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OUT LPDIRECTDRAWSURFACE* ppddOverlaySurface
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) PURE;
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// sets the direct draw kernel handle
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STDMETHOD (SetDirectDrawKernelHandle)(THIS_
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IN ULONG_PTR dwDDKernelHandle
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) PURE;
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// sets the video port id
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STDMETHOD (SetVideoPortID)(THIS_
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IN DWORD dwVideoPortID
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) PURE;
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// sets the direct draw surface kernel handle
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STDMETHOD (SetDDSurfaceKernelHandles)(THIS_
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IN DWORD cHandles,
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IN ULONG_PTR *rgDDKernelHandles
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) PURE;
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// Tells driver about surface created on its behalf by ovmixer/vbisurf and
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// returned from videoport/ddraw. Should always return NOERROR or E_NOIMPL.
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// dwPitch is the pitch of the surface (distance in pixels between the start
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// pixels of two consecutive lines of the surface). (dwXOrigin, dwYOrigin)
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// are the (X, Y) coordinates of the pixel at which valid data starts.
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STDMETHOD (SetSurfaceParameters)(THIS_
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IN DWORD dwPitch,
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IN DWORD dwXOrigin,
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IN DWORD dwYOrigin
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) PURE;
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};
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// IVPConfig
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DECLARE_INTERFACE_(IVPConfig, IVPBaseConfig)
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{
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public:
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// the mixer uses this function to determine if the callee wants
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// the mixer to decimate VIDEO data at its own descrition
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STDMETHOD (IsVPDecimationAllowed)(THIS_
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OUT LPBOOL pbIsDecimationAllowed
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) PURE;
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// sets the scaling factors. If decoder does not support these,
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// then it sets the values to the nearest factors it can support
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STDMETHOD (SetScalingFactors)(THIS_
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IN LPAMVPSIZE pamvpSize
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) PURE;
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};
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// IVPVBIConfig
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DECLARE_INTERFACE_(IVPVBIConfig, IVPBaseConfig)
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{
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public:
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};
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#ifdef __cplusplus
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}
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#endif
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#endif // __IVPConfig__
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