1 files changed, 112 insertions, 0 deletions

diff --git a/dxsdk/Include/il21dec.h b/dxsdk/Include/il21dec.h
new file mode 100644
index 00000000..a2c7fc67
--- /dev/null
+++ b/dxsdk/Include/il21dec.h
@@ -0,0 +1,112 @@
+//------------------------------------------------------------------------------
+// File: IL21Dec.h
+//
+// Desc: Line 21 Decoder related definitions and interfaces for ActiveMovie.
+//
+// Copyright (c) 1992-2001, Microsoft Corporation.  All rights reserved.
+//------------------------------------------------------------------------------
+
+
+#ifndef __IL21DEC__
+#define __IL21DEC__
+
+
+//
+//  Some enum data types used as line 21 decoder params by the interface
+//
+typedef enum _AM_LINE21_CCLEVEL {  // should we use TC1, TC2 in stead?
+    AM_L21_CCLEVEL_TC2 = 0
+} AM_LINE21_CCLEVEL, *PAM_LINE21_CCLEVEL ;
+
+typedef enum _AM_LINE21_CCSERVICE {
+    AM_L21_CCSERVICE_None = 0,
+    AM_L21_CCSERVICE_Caption1,
+    AM_L21_CCSERVICE_Caption2,
+    AM_L21_CCSERVICE_Text1,
+    AM_L21_CCSERVICE_Text2,
+    AM_L21_CCSERVICE_XDS,
+    AM_L21_CCSERVICE_DefChannel = 10,
+    AM_L21_CCSERVICE_Invalid
+} AM_LINE21_CCSERVICE, *PAM_LINE21_CCSERVICE ;
+
+typedef enum _AM_LINE21_CCSTATE {
+    AM_L21_CCSTATE_Off = 0,
+    AM_L21_CCSTATE_On
+} AM_LINE21_CCSTATE, *PAM_LINE21_CCSTATE ;
+
+typedef enum _AM_LINE21_CCSTYLE {
+    AM_L21_CCSTYLE_None = 0,
+    AM_L21_CCSTYLE_PopOn,
+    AM_L21_CCSTYLE_PaintOn,
+    AM_L21_CCSTYLE_RollUp
+} AM_LINE21_CCSTYLE, *PAM_LINE21_CCSTYLE ;
+
+typedef enum _AM_LINE21_DRAWBGMODE {
+    AM_L21_DRAWBGMODE_Opaque,
+    AM_L21_DRAWBGMODE_Transparent
+} AM_LINE21_DRAWBGMODE, *PAM_LINE21_DRAWBGMODE ;
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif // __cplusplus
+
+//
+//  Line 21 Decoder standard COM interface
+//
+DECLARE_INTERFACE_(IAMLine21Decoder, IUnknown)
+{
+    public:
+        //
+        // Decoder options to be used by apps
+        //
+
+        // What is the decoder's level
+        STDMETHOD(GetDecoderLevel)(THIS_ AM_LINE21_CCLEVEL *lpLevel) PURE ;  
+        // supported level value is AM_L21Level_TC2 only
+        // skipping the SetDecoderLevel( )
+
+        // Which of the services is being currently used
+        STDMETHOD(GetCurrentService)(THIS_ AM_LINE21_CCSERVICE *lpService) PURE ;  
+        STDMETHOD(SetCurrentService)(THIS_ AM_LINE21_CCSERVICE Service) PURE ;  
+        // supported service values are AM_L21Service_Caption1, 
+        // AM_L21Service_Caption2, AM_L21Service_Text1, AM_L21Service_Text2, 
+        // AM_L21Service_XDS, AM_L21Service_None)
+
+        // Query/Set the service state (On/Off)
+        // supported state values are AM_L21State_On and AM_L21State_Off
+        STDMETHOD(GetServiceState)(THIS_ AM_LINE21_CCSTATE *lpState) PURE ;  
+        STDMETHOD(SetServiceState)(THIS_ AM_LINE21_CCSTATE State) PURE ;  
+
+        //
+        // Output options to be used by downstream filters
+        //
+
+        // What size, bitdepth, etc. should the output video be
+        STDMETHOD(GetOutputFormat)(THIS_ LPBITMAPINFOHEADER lpbmih) PURE ;
+        // GetOutputFormat() method, if successful, returns 
+        // 1.  S_FALSE if no output format has so far been defined by downstream filters
+        // 2.  S_OK if an output format has already been defined by downstream filters
+        STDMETHOD(SetOutputFormat)(THIS_ LPBITMAPINFO lpbmi) PURE ;
+
+        // Specify physical color to be used in colorkeying the background 
+        // for overlay mixing
+        STDMETHOD(GetBackgroundColor)(THIS_ DWORD *pdwPhysColor) PURE ;
+        STDMETHOD(SetBackgroundColor)(THIS_ DWORD dwPhysColor) PURE ;
+
+        // Specify if whole output bitmap should be redrawn for each sample
+        STDMETHOD(GetRedrawAlways)(THIS_ LPBOOL lpbOption) PURE ;
+        STDMETHOD(SetRedrawAlways)(THIS_ BOOL bOption) PURE ;
+
+        // Specify if the caption text background should be opaque/transparent
+        STDMETHOD(GetDrawBackgroundMode)(THIS_ AM_LINE21_DRAWBGMODE *lpMode) PURE ;
+        STDMETHOD(SetDrawBackgroundMode)(THIS_ AM_LINE21_DRAWBGMODE Mode) PURE ;
+        // supported mode values are AM_L21_DrawBGMode_Opaque and
+        // AM_L21_DrawBGMode_Transparent
+
+} ;
+
+#ifdef __cplusplus
+}
+#endif // __cplusplus
+#endif // __IL21DEC__