/[cvs]/api/include/mpconfig.h
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Annotation of /api/include/mpconfig.h

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Revision 1.1 - (hide annotations)
Sun Jul 1 20:47:59 2001 UTC (22 years, 10 months ago) by bearsoft
Branch point for: lazy, MAIN
File MIME type: text/plain
Initial revision

1 bearsoft 1.1 //------------------------------------------------------------------------------
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    

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