MMVOLUME.INT 2.8 KB

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  1. {========================================================================}
  2. {= (c) 1995-98 SwiftSoft Ronald Dittrich =}
  3. {========================================================================}
  4. {= All Rights Reserved =}
  5. {========================================================================}
  6. {= D 01099 Dresden = Tel.: +0351-8012255 =}
  7. {= Loewenstr.7a = info@swiftsoft.de =}
  8. {========================================================================}
  9. {= Actual versions on http://www.swiftsoft.de/mmtools.html =}
  10. {========================================================================}
  11. {= This code is for reference purposes only and may not be copied or =}
  12. {= distributed in any format electronic or otherwise except one copy =}
  13. {= for backup purposes. =}
  14. {= =}
  15. {= No Delphi Component Kit or Component individually or in a collection=}
  16. {= subclassed or otherwise from the code in this unit, or associated =}
  17. {= .pas, .dfm, .dcu, .asm or .obj files may be sold or distributed =}
  18. {= without express permission from SwiftSoft. =}
  19. {= =}
  20. {= For more licence informations please refer to the associated =}
  21. {= HelpFile. =}
  22. {========================================================================}
  23. {= $Date: 20.01.1998 - 18:00:00 $ =}
  24. {========================================================================}
  25. unit MMVolume;
  26. {$I COMPILER.INC}
  27. interface
  28. uses
  29. {$IFDEF WIN32}
  30. Windows,
  31. {$ELSE}
  32. WinTypes,
  33. WinProcs,
  34. {$ENDIF}
  35. SysUtils,
  36. Classes,
  37. Controls,
  38. MMSystem,
  39. MMRegs,
  40. MMObj,
  41. MMDSPObj,
  42. MMUtils,
  43. MMWaveIO,
  44. MMPCMSup;
  45. type
  46. EMMVolumeError = class(Exception);
  47. {-- TMMVolume ---------------------------------------------------------}
  48. TMMVolume = class(TMMDSPComponent)
  49. public
  50. constructor Create(aOwner: TComponent); override;
  51. destructor Destroy; override;
  52. procedure Open;
  53. procedure Close;
  54. procedure Process(Buffer: PChar; Length: integer);
  55. property Overflow: Boolean read FOverflow write FOverflow;
  56. published
  57. property Input;
  58. property Output;
  59. property Enabled: Boolean read FEnabled write SetEnabled default True;
  60. property Volume: Longint index 0 read FVolume write SetVolumeValues default VOLUMEBASE;
  61. property Panning: Longint index 1 read FPanning write SetVolumeValues default 0;
  62. end;
  63. implementation