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C/C++ Source or Header  |  2001-10-08  |  2KB  |  55 lines
  1. //------------------------------------------------------------------------------
  2. // File: AMAudio.h
  3. //
  4. // Desc: Audio related definitions and interfaces for ActiveMovie.
  5. //
  6. // Copyright (c) 1992-2001, Microsoft Corporation.  All rights reserved.
  7. //------------------------------------------------------------------------------
  8.  
  9.  
  10. #ifndef __AMAUDIO__
  11. #define __AMAUDIO__
  12.  
  13. #ifdef __cplusplus
  14. extern "C" {
  15. #endif // __cplusplus
  16.  
  17. #include <mmsystem.h>
  18. #include <dsound.h>
  19.  
  20. // This is the interface the audio renderer supports to give the application
  21. // access to the direct sound object and the buffers it is using, to allow the
  22. // application to use things like the 3D features of Direct Sound for the
  23. // soundtrack of a movie being played with Active Movie.
  24.  
  25. // be nice to our friends in C
  26. #undef INTERFACE
  27. #define INTERFACE IAMDirectSound
  28.  
  29. DECLARE_INTERFACE_(IAMDirectSound,IUnknown)
  30. {
  31.     /* IUnknown methods */
  32.  
  33.     STDMETHOD(QueryInterface)(THIS_ REFIID riid, LPVOID *ppvObj) PURE;
  34.     STDMETHOD_(ULONG,AddRef)(THIS) PURE;
  35.     STDMETHOD_(ULONG,Release)(THIS) PURE;
  36.  
  37.     /* IAMDirectSound methods */
  38.  
  39.     STDMETHOD(GetDirectSoundInterface)(THIS_ LPDIRECTSOUND *lplpds) PURE;
  40.     STDMETHOD(GetPrimaryBufferInterface)(THIS_ LPDIRECTSOUNDBUFFER *lplpdsb) PURE;
  41.     STDMETHOD(GetSecondaryBufferInterface)(THIS_ LPDIRECTSOUNDBUFFER *lplpdsb) PURE;
  42.     STDMETHOD(ReleaseDirectSoundInterface)(THIS_ LPDIRECTSOUND lpds) PURE;
  43.     STDMETHOD(ReleasePrimaryBufferInterface)(THIS_ LPDIRECTSOUNDBUFFER lpdsb) PURE;
  44.     STDMETHOD(ReleaseSecondaryBufferInterface)(THIS_ LPDIRECTSOUNDBUFFER lpdsb) PURE;
  45.     STDMETHOD(SetFocusWindow)(THIS_ HWND, BOOL) PURE ;
  46.     STDMETHOD(GetFocusWindow)(THIS_ HWND *, BOOL*) PURE ;
  47. };
  48.  
  49.  
  50. #ifdef __cplusplus
  51. }
  52. #endif // __cplusplus
  53. #endif // __AMAUDIO__
  54.  
  55.