| 1 |
//------------------------------------------------------------------------------
|
| 2 |
// File: MPConfig.h
|
| 3 |
//
|
| 4 |
// Desc:
|
| 5 |
//
|
| 6 |
// Copyright (c) 1997 - 2000, Microsoft Corporation. All rights reserved.
|
| 7 |
//------------------------------------------------------------------------------
|
| 8 |
|
| 9 |
|
| 10 |
#ifndef __IMPConfig__
|
| 11 |
#define __IMPConfig__
|
| 12 |
|
| 13 |
#ifdef __cplusplus
|
| 14 |
extern "C" {
|
| 15 |
#endif
|
| 16 |
|
| 17 |
typedef enum _AM_ASPECT_RATIO_MODE
|
| 18 |
{
|
| 19 |
AM_ARMODE_STRETCHED, // don't do any aspect ratio correction
|
| 20 |
AM_ARMODE_LETTER_BOX, // letter box the video, paint background color in the excess region
|
| 21 |
AM_ARMODE_CROP, // crop the video to the right aspect ratio
|
| 22 |
AM_ARMODE_STRETCHED_AS_PRIMARY // follow whatever the primary stream does (in terms of the mode as well as pict-aspect-ratio values)
|
| 23 |
} AM_ASPECT_RATIO_MODE;
|
| 24 |
|
| 25 |
|
| 26 |
DECLARE_INTERFACE_(IMixerPinConfig, IUnknown)
|
| 27 |
{
|
| 28 |
// this function sets the position of the stream in the display window, assuming
|
| 29 |
// that the window coordinates are {0, 0, 10000, 10000}. Thus giving arguments
|
| 30 |
// (0, 0, 5000, 5000) will put the stream in the top-left quarter. Any value greater
|
| 31 |
// than 10000 is invalid.
|
| 32 |
STDMETHOD (SetRelativePosition)(THIS_
|
| 33 |
IN DWORD dwLeft,
|
| 34 |
IN DWORD dwTop,
|
| 35 |
IN DWORD dwRight,
|
| 36 |
IN DWORD dwBottom
|
| 37 |
) PURE;
|
| 38 |
|
| 39 |
// this function gets the position of the stream in the display window, assuming
|
| 40 |
// that the window coordinates are {0, 0, 10000, 10000}. Thus if the values returned
|
| 41 |
// are (0, 0, 5000, 5000), then it means that the stream is in the top-left quarter.
|
| 42 |
STDMETHOD (GetRelativePosition)(THIS_
|
| 43 |
OUT DWORD *pdwLeft,
|
| 44 |
OUT DWORD *pdwTop,
|
| 45 |
OUT DWORD *pdwRight,
|
| 46 |
OUT DWORD *pdwBottom
|
| 47 |
) PURE;
|
| 48 |
|
| 49 |
// this function sets the ZOrder of the stream. The ZOrder of 0 is the closest
|
| 50 |
// to the eyes of the user, and increasing values imply greater distance.
|
| 51 |
STDMETHOD (SetZOrder)(THIS_
|
| 52 |
IN DWORD dwZOrder
|
| 53 |
) PURE;
|
| 54 |
|
| 55 |
|
| 56 |
// this function gets the ZOrder of the stream. The ZOrder of 0 is the closest
|
| 57 |
// to the eyes of the user, and increasing values imply greater distance.
|
| 58 |
STDMETHOD (GetZOrder)(THIS_
|
| 59 |
OUT DWORD *pdwZOrder
|
| 60 |
) PURE;
|
| 61 |
|
| 62 |
// this function sets the colorkey being used by the stream. Setting this value on the
|
| 63 |
// primary stream sets the destination colorkey being used by the overlay surface. Setting
|
| 64 |
// this value on the secondary pin makes sense only if the stream is transparent. By default
|
| 65 |
// the destination colorkey is used as the colorkey for all transparent (secondary) streams.
|
| 66 |
STDMETHOD (SetColorKey)(THIS_
|
| 67 |
IN COLORKEY *pColorKey
|
| 68 |
) PURE;
|
| 69 |
|
| 70 |
// this function gets the colorkey being used by the stream. Getting this value on the
|
| 71 |
// primary stream gets the destination colorkey being used by the overlay surface. Getting
|
| 72 |
// this value on the secondary pin returns the colorkey being used by that particular stream.
|
| 73 |
// When using this method, you are allowed to pass NULL for either pColorKey or pColor but
|
| 74 |
// not both.
|
| 75 |
STDMETHOD (GetColorKey)(THIS_
|
| 76 |
OUT COLORKEY *pColorKey,
|
| 77 |
OUT DWORD *pColor
|
| 78 |
) PURE;
|
| 79 |
|
| 80 |
// this function sets the blending parameter which in turn defines, how the secondary stream
|
| 81 |
// is going to be blended with the primary stream. A value of 0 makes the secondary stream
|
| 82 |
// invisible, a value of 255 makes the primary stream invisible (in that region only ofcourse),
|
| 83 |
// and any value inbetween, say x, blends the secondary and primary streams in the ratio x : (255-x).
|
| 84 |
// If no value is set, the default is 255.
|
| 85 |
// Any value less than 0 or greater than 255 is invalid. Calling this function on the primary
|
| 86 |
// stream would result in a return value of E_UNEXPECTED.
|
| 87 |
STDMETHOD (SetBlendingParameter)(THIS_
|
| 88 |
IN DWORD dwBlendingParameter
|
| 89 |
) PURE;
|
| 90 |
|
| 91 |
// this function gets the blending parameter which in turn defines, how the secondary stream
|
| 92 |
// is currently being blended with the primary stream.
|
| 93 |
STDMETHOD (GetBlendingParameter)(THIS_
|
| 94 |
OUT DWORD *pdwBlendingParameter
|
| 95 |
) PURE;
|
| 96 |
|
| 97 |
|
| 98 |
// this function is used to set the Aspect Ratio Correction mode on the pin.
|
| 99 |
// If the mode is set to letter box, black color is painted on the excess region
|
| 100 |
STDMETHOD (SetAspectRatioMode)(THIS_
|
| 101 |
IN AM_ASPECT_RATIO_MODE amAspectRatioMode
|
| 102 |
) PURE;
|
| 103 |
|
| 104 |
// this function is used to get the Aspect Ratio Correction mode on the pin.
|
| 105 |
STDMETHOD (GetAspectRatioMode)(THIS_
|
| 106 |
OUT AM_ASPECT_RATIO_MODE* pamAspectRatioMode
|
| 107 |
) PURE;
|
| 108 |
|
| 109 |
// this function sets the stream to be transparent. That means that the stream is not going
|
| 110 |
// to occupy the whole of the rectangle (specified by SetRelativePosition), some of the region
|
| 111 |
// is going to be transparent i.e. the stream underneath, is going to see through.
|
| 112 |
// Calling this function on the primary stream would result in a return value of E_UNEXPECTED.
|
| 113 |
STDMETHOD (SetStreamTransparent)(THIS_
|
| 114 |
IN BOOL bStreamTransparent
|
| 115 |
) PURE;
|
| 116 |
|
| 117 |
// this function is used to tell whether the stream is transparent or not.
|
| 118 |
STDMETHOD (GetStreamTransparent)(THIS_
|
| 119 |
OUT BOOL *pbStreamTransparent
|
| 120 |
) PURE;
|
| 121 |
};
|
| 122 |
|
| 123 |
|
| 124 |
DECLARE_INTERFACE_(IMixerPinConfig2, IMixerPinConfig)
|
| 125 |
{
|
| 126 |
// this functions sets the color-controls, if the vga chip supports it.
|
| 127 |
STDMETHOD (SetOverlaySurfaceColorControls)(THIS_
|
| 128 |
IN LPDDCOLORCONTROL pColorControl
|
| 129 |
) PURE;
|
| 130 |
|
| 131 |
// this functions gets the color-controls. It also returns the capability of the vga hardware
|
| 132 |
// in the dwFlags value of the struct.
|
| 133 |
STDMETHOD (GetOverlaySurfaceColorControls)(THIS_
|
| 134 |
OUT LPDDCOLORCONTROL pColorControl
|
| 135 |
) PURE;
|
| 136 |
};
|
| 137 |
|
| 138 |
#ifdef __cplusplus
|
| 139 |
}
|
| 140 |
#endif
|
| 141 |
|
| 142 |
|
| 143 |
#endif // #define __IMPConfig__
|
| 144 |
|
Parent Directory
| 
Revision Log