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C/C++ Source or Header  |  2001-03-20  |  1.9 KB  |  49 lines
  1. //    VirtualDub - Video processing and capture application
  2. //    Copyright (C) 1998-2001 Avery Lee
  3. //
  4. //    This program is free software; you can redistribute it and/or modify
  5. //    it under the terms of the GNU General Public License as published by
  6. //    the Free Software Foundation; either version 2 of the License, or
  7. //    (at your option) any later version.
  8. //
  9. //    This program is distributed in the hope that it will be useful,
  10. //    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11. //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12. //    GNU General Public License for more details.
  13. //
  14. //    You should have received a copy of the GNU General Public License
  15. //    along with this program; if not, write to the Free Software
  16. //    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  17.  
  18. #ifndef _f_IVIDEODRIVER_H
  19. #define _f_IVIDEODRIVER_H
  20.  
  21. #include <windows.h>
  22. #include <vfw.h>
  23. //#include "msviddrv.h"
  24.  
  25. // From msviddrv.h (Video for Windows 1.1e SDK)
  26.  
  27. typedef struct tag_video_open_parms {
  28.     DWORD               dwSize;         // sizeof(VIDEO_OPEN_PARMS)
  29.     FOURCC              fccType;        // 'vcap'
  30.     FOURCC              fccComp;        // unused
  31.     DWORD               dwVersion;      // version of msvideo opening you
  32.     DWORD               dwFlags;        // channel type
  33.     DWORD               dwError;        // if open fails, this is why
  34. } VIDEO_OPEN_PARMS, FAR * LPVIDEO_OPEN_PARMS;
  35.  
  36. class IVideoDriver {
  37. public:
  38.     virtual ~IVideoDriver() {};
  39.  
  40.     virtual BOOL    Load(HDRVR hDriver)                                                                    = 0;
  41.     virtual void    Free(HDRVR hDriver)                                                                    = 0;
  42.     virtual DWORD    Open(HDRVR hDriver, char *szDescription, LPVIDEO_OPEN_PARMS lpVideoOpenParms)    = 0;
  43.     virtual void    Disable(HDRVR hDriver)                                                                = 0;
  44.     virtual void    Enable(HDRVR hDriver)                                                                = 0;
  45.     virtual LRESULT    Default(DWORD dwDriverID, HDRVR hDriver, UINT uiMessage, LPARAM lParam1, LPARAM lParam2) = 0;
  46. };
  47.  
  48. #endif
  49.