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//------------------------------------------------------------------------------
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// File: AMVPE.idl
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//
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// Desc:
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//
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// Copyright (c) 1992 - 2000, Microsoft Corporation. All rights reserved.
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//------------------------------------------------------------------------------
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import "unknwn.idl";
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import "objidl.idl"; // for IPersist (IFilter's root)
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/*
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* VIDOESIGNALINFO
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*/
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typedef struct _VIDEOSIGNALINFO
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{
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DWORD dwSize; // Size of the structure
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DWORD dwVREFHeight; // Specifies the number of lines of data in the vref
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BOOL bDoubleClock; // videoport should enable double clocking
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BOOL bVACT; // videoport should use an external VACT signal
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BOOL bInterlaced; // Indicates that the signal is interlaced
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BOOL bHalfline; // Device will write half lines into the frame buffer
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BOOL bInvertedPolarity; // Devoce inverts the polarity by default
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} AMVIDEOSIGNALINFO;
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typedef struct AMVIDEOSIGNALINFO *LPAMVIDEOSIGNALINFO;
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interface IVPEConfig;
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interface IVPE;
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/*
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* DDVIDEOPORTCONNECT
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*/
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typedef struct _DDVIDEOPORTCONNECT
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{
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DWORD dwSize; // size of the DDVIDEOPORTCONNECT structure
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GUID guidTypeID; // Description of video port connection
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DWORD dwPortWidth; // Width of the video port
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DWORD dwFlags; // Connection flags
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} DDVIDEOPORTCONNECT;
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typedef DDVIDEOPORTCONNECT *LPDDVIDEOPORTCONNECT;
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/*
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* DDPIXELFORMAT
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*/
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typedef struct _DDPIXELFORMAT
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{
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DWORD dwSize; // size of structure
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DWORD dwFlags; // pixel format flags
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DWORD dwFourCC; // (FOURCC code)
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union
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{
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DWORD dwRGBBitCount; // how many bits per pixel (BD_1,2,4,8,16,24,32)
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DWORD dwYUVBitCount; // how many bits per pixel (BD_4,8,16,24,32)
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DWORD dwZBufferBitDepth; // how many bits for z buffers (BD_8,16,24,32)
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DWORD dwAlphaBitDepth; // how many bits for alpha channels (BD_1,2,4,8)
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};
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union
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{
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DWORD dwRBitMask; // mask for red bit
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DWORD dwYBitMask; // mask for Y bits
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};
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union
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{
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DWORD dwGBitMask; // mask for green bits
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DWORD dwUBitMask; // mask for U bits
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};
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union
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{
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DWORD dwBBitMask; // mask for blue bits
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DWORD dwVBitMask; // mask for V bits
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};
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union
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{
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DWORD dwRGBAlphaBitMask; // mask for alpha channel
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DWORD dwYUVAlphaBitMask; // mask for alpha channel
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DWORD dwRGBZBitMask; // mask for Z channel
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DWORD dwYUVZBitMask; // mask for Z channel
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};
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} DDPIXELFORMAT;
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typedef DDPIXELFORMAT * LPDDPIXELFORMAT;
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[
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object,
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uuid(BC29A660-30E3-11d0-9E69-00C04FD7C15B),
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pointer_default(unique)
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]
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interface IVPEConfig : IUnknown {
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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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HRESULT GetConnectInfo(
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[in,out] LPDWORD lpNumConnectInfo,
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[out] LPDDVIDEOPORTCONNECT lpddvpConnectInfo
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);
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HRESULT SetConnectInfo(
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[in] DDVIDEOPORTCONNECT ddvpConnectInfo
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);
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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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HRESULT GetVideoFormats(
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[in,out] LPDWORD lpNumFormats,
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[out] LPDDPIXELFORMAT lpddpfFormats
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);
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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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HRESULT GetMaxPixelRate(
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[in] DDPIXELFORMAT ddpfFormat,
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[in,out] LPDWORD lpdwZoomHeight,
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[in,out] LPDWORD lpdwZoomWidth,
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[out] LPDWORD lpdwMaxPixelsPerSecond
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);
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// retrives various properties of the decoder for a given format
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HRESULT GetVideoSignalInfo(
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[in] DDPIXELFORMAT ddpfFormat,
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[out] LPAMVIDEOSIGNALINFO lpAMVideoSignalInfo
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);
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// asks the decoder to ouput in this format. Return value should give
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// appropriate error code
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HRESULT SetVideoFormat(
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[in] DDPIXELFORMAT ddpfFormat
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);
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// asks the decoder to treat even fields like odd fields and visa versa
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HRESULT SetInvertPolarity(
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);
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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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HRESULT SetScalingFactors(
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[in,out] LPDWORD lpdwZoomHeight,
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[in,out] LPDWORD lpdwZoomWidth
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);
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}
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[
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object,
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uuid(BC29A661-30E3-11d0-9E69-00C04FD7C15B),
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pointer_default(unique)
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]
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interface IVPE : IUnknown {
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HRESULT SetOverlaySurface(
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// [in] LPDIRECTDRAWSURFACE lpOverlaySurface,
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[in] LPUNKNOWN lpOverlaySurface,
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[in] INT iNumBackBuffers
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);
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}
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