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112 lines
3.8 KiB
112 lines
3.8 KiB
//------------------------------------------------------------------------------ |
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// File: IL21Dec.h |
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// |
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// Desc: Line 21 Decoder related definitions and interfaces for ActiveMovie. |
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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 __IL21DEC__ |
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#define __IL21DEC__ |
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// |
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// Some enum data types used as line 21 decoder params by the interface |
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// |
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typedef enum _AM_LINE21_CCLEVEL { // should we use TC1, TC2 in stead? |
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AM_L21_CCLEVEL_TC2 = 0 |
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} AM_LINE21_CCLEVEL, *PAM_LINE21_CCLEVEL ; |
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typedef enum _AM_LINE21_CCSERVICE { |
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AM_L21_CCSERVICE_None = 0, |
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AM_L21_CCSERVICE_Caption1, |
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AM_L21_CCSERVICE_Caption2, |
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AM_L21_CCSERVICE_Text1, |
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AM_L21_CCSERVICE_Text2, |
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AM_L21_CCSERVICE_XDS, |
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AM_L21_CCSERVICE_DefChannel = 10, |
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AM_L21_CCSERVICE_Invalid |
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} AM_LINE21_CCSERVICE, *PAM_LINE21_CCSERVICE ; |
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typedef enum _AM_LINE21_CCSTATE { |
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AM_L21_CCSTATE_Off = 0, |
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AM_L21_CCSTATE_On |
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} AM_LINE21_CCSTATE, *PAM_LINE21_CCSTATE ; |
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typedef enum _AM_LINE21_CCSTYLE { |
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AM_L21_CCSTYLE_None = 0, |
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AM_L21_CCSTYLE_PopOn, |
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AM_L21_CCSTYLE_PaintOn, |
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AM_L21_CCSTYLE_RollUp |
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} AM_LINE21_CCSTYLE, *PAM_LINE21_CCSTYLE ; |
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typedef enum _AM_LINE21_DRAWBGMODE { |
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AM_L21_DRAWBGMODE_Opaque, |
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AM_L21_DRAWBGMODE_Transparent |
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} AM_LINE21_DRAWBGMODE, *PAM_LINE21_DRAWBGMODE ; |
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#ifdef __cplusplus |
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extern "C" { |
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#endif // __cplusplus |
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// |
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// Line 21 Decoder standard COM interface |
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// |
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DECLARE_INTERFACE_(IAMLine21Decoder, IUnknown) |
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{ |
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public: |
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// |
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// Decoder options to be used by apps |
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// |
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// What is the decoder's level |
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STDMETHOD(GetDecoderLevel)(THIS_ AM_LINE21_CCLEVEL *lpLevel) PURE ; |
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// supported level value is AM_L21Level_TC2 only |
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// skipping the SetDecoderLevel( ) |
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// Which of the services is being currently used |
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STDMETHOD(GetCurrentService)(THIS_ AM_LINE21_CCSERVICE *lpService) PURE ; |
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STDMETHOD(SetCurrentService)(THIS_ AM_LINE21_CCSERVICE Service) PURE ; |
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// supported service values are AM_L21Service_Caption1, |
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// AM_L21Service_Caption2, AM_L21Service_Text1, AM_L21Service_Text2, |
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// AM_L21Service_XDS, AM_L21Service_None) |
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// Query/Set the service state (On/Off) |
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// supported state values are AM_L21State_On and AM_L21State_Off |
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STDMETHOD(GetServiceState)(THIS_ AM_LINE21_CCSTATE *lpState) PURE ; |
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STDMETHOD(SetServiceState)(THIS_ AM_LINE21_CCSTATE State) PURE ; |
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// |
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// Output options to be used by downstream filters |
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// |
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// What size, bitdepth, etc. should the output video be |
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STDMETHOD(GetOutputFormat)(THIS_ LPBITMAPINFOHEADER lpbmih) PURE ; |
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// GetOutputFormat() method, if successful, returns |
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// 1. S_FALSE if no output format has so far been defined by downstream filters |
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// 2. S_OK if an output format has already been defined by downstream filters |
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STDMETHOD(SetOutputFormat)(THIS_ LPBITMAPINFO lpbmi) PURE ; |
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// Specify physical color to be used in colorkeying the background |
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// for overlay mixing |
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STDMETHOD(GetBackgroundColor)(THIS_ DWORD *pdwPhysColor) PURE ; |
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STDMETHOD(SetBackgroundColor)(THIS_ DWORD dwPhysColor) PURE ; |
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// Specify if whole output bitmap should be redrawn for each sample |
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STDMETHOD(GetRedrawAlways)(THIS_ LPBOOL lpbOption) PURE ; |
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STDMETHOD(SetRedrawAlways)(THIS_ BOOL bOption) PURE ; |
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// Specify if the caption text background should be opaque/transparent |
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STDMETHOD(GetDrawBackgroundMode)(THIS_ AM_LINE21_DRAWBGMODE *lpMode) PURE ; |
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STDMETHOD(SetDrawBackgroundMode)(THIS_ AM_LINE21_DRAWBGMODE Mode) PURE ; |
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// supported mode values are AM_L21_DrawBGMode_Opaque and |
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// AM_L21_DrawBGMode_Transparent |
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} ; |
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#ifdef __cplusplus |
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} |
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#endif // __cplusplus |
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#endif // __IL21DEC__
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