mpconfig.h
上传用户:dzyhzl
上传日期:2019-04-29
资源大小:56270k
文件大小:6k
- //------------------------------------------------------------------------------
- // File: MPConfig.h
- //
- // Desc:
- //
- // Copyright (c) 1997 - 2000, Microsoft Corporation. All rights reserved.
- //------------------------------------------------------------------------------
- #ifndef __IMPConfig__
- #define __IMPConfig__
- #ifdef __cplusplus
- extern "C" {
- #endif
- typedef enum _AM_ASPECT_RATIO_MODE
- {
- AM_ARMODE_STRETCHED, // don't do any aspect ratio correction
- AM_ARMODE_LETTER_BOX, // letter box the video, paint background color in the excess region
- AM_ARMODE_CROP, // crop the video to the right aspect ratio
- AM_ARMODE_STRETCHED_AS_PRIMARY // follow whatever the primary stream does (in terms of the mode as well as pict-aspect-ratio values)
- } AM_ASPECT_RATIO_MODE;
- DECLARE_INTERFACE_(IMixerPinConfig, IUnknown)
- {
- // this function sets the position of the stream in the display window, assuming
- // that the window coordinates are {0, 0, 10000, 10000}. Thus giving arguments
- // (0, 0, 5000, 5000) will put the stream in the top-left quarter. Any value greater
- // than 10000 is invalid.
- STDMETHOD (SetRelativePosition)(THIS_
- IN DWORD dwLeft,
- IN DWORD dwTop,
- IN DWORD dwRight,
- IN DWORD dwBottom
- ) PURE;
- // this function gets the position of the stream in the display window, assuming
- // that the window coordinates are {0, 0, 10000, 10000}. Thus if the values returned
- // are (0, 0, 5000, 5000), then it means that the stream is in the top-left quarter.
- STDMETHOD (GetRelativePosition)(THIS_
- OUT DWORD *pdwLeft,
- OUT DWORD *pdwTop,
- OUT DWORD *pdwRight,
- OUT DWORD *pdwBottom
- ) PURE;
- // this function sets the ZOrder of the stream. The ZOrder of 0 is the closest
- // to the eyes of the user, and increasing values imply greater distance.
- STDMETHOD (SetZOrder)(THIS_
- IN DWORD dwZOrder
- ) PURE;
- // this function gets the ZOrder of the stream. The ZOrder of 0 is the closest
- // to the eyes of the user, and increasing values imply greater distance.
- STDMETHOD (GetZOrder)(THIS_
- OUT DWORD *pdwZOrder
- ) PURE;
- // this function sets the colorkey being used by the stream. Setting this value on the
- // primary stream sets the destination colorkey being used by the overlay surface. Setting
- // this value on the secondary pin makes sense only if the stream is transparent. By default
- // the destination colorkey is used as the colorkey for all transparent (secondary) streams.
- STDMETHOD (SetColorKey)(THIS_
- IN COLORKEY *pColorKey
- ) PURE;
- // this function gets the colorkey being used by the stream. Getting this value on the
- // primary stream gets the destination colorkey being used by the overlay surface. Getting
- // this value on the secondary pin returns the colorkey being used by that particular stream.
- // When using this method, you are allowed to pass NULL for either pColorKey or pColor but
- // not both.
- STDMETHOD (GetColorKey)(THIS_
- OUT COLORKEY *pColorKey,
- OUT DWORD *pColor
- ) PURE;
- // this function sets the blending parameter which in turn defines, how the secondary stream
- // is going to be blended with the primary stream. A value of 0 makes the secondary stream
- // invisible, a value of 255 makes the primary stream invisible (in that region only ofcourse),
- // and any value inbetween, say x, blends the secondary and primary streams in the ratio x : (255-x).
- // If no value is set, the default is 255.
- // Any value less than 0 or greater than 255 is invalid. Calling this function on the primary
- // stream would result in a return value of E_UNEXPECTED.
- STDMETHOD (SetBlendingParameter)(THIS_
- IN DWORD dwBlendingParameter
- ) PURE;
- // this function gets the blending parameter which in turn defines, how the secondary stream
- // is currently being blended with the primary stream.
- STDMETHOD (GetBlendingParameter)(THIS_
- OUT DWORD *pdwBlendingParameter
- ) PURE;
- // this function is used to set the Aspect Ratio Correction mode on the pin.
- // If the mode is set to letter box, black color is painted on the excess region
- STDMETHOD (SetAspectRatioMode)(THIS_
- IN AM_ASPECT_RATIO_MODE amAspectRatioMode
- ) PURE;
- // this function is used to get the Aspect Ratio Correction mode on the pin.
- STDMETHOD (GetAspectRatioMode)(THIS_
- OUT AM_ASPECT_RATIO_MODE* pamAspectRatioMode
- ) PURE;
- // this function sets the stream to be transparent. That means that the stream is not going
- // to occupy the whole of the rectangle (specified by SetRelativePosition), some of the region
- // is going to be transparent i.e. the stream underneath, is going to see through.
- // Calling this function on the primary stream would result in a return value of E_UNEXPECTED.
- STDMETHOD (SetStreamTransparent)(THIS_
- IN BOOL bStreamTransparent
- ) PURE;
- // this function is used to tell whether the stream is transparent or not.
- STDMETHOD (GetStreamTransparent)(THIS_
- OUT BOOL *pbStreamTransparent
- ) PURE;
- };
- DECLARE_INTERFACE_(IMixerPinConfig2, IMixerPinConfig)
- {
- // this functions sets the color-controls, if the vga chip supports it.
- STDMETHOD (SetOverlaySurfaceColorControls)(THIS_
- IN LPDDCOLORCONTROL pColorControl
- ) PURE;
- // this functions gets the color-controls. It also returns the capability of the vga hardware
- // in the dwFlags value of the struct.
- STDMETHOD (GetOverlaySurfaceColorControls)(THIS_
- OUT LPDDCOLORCONTROL pColorControl
- ) PURE;
- };
- #ifdef __cplusplus
- }
- #endif
- #endif // #define __IMPConfig__