{========================================================================}
{=                (c) 1995-98 SwiftSoft Ronald Dittrich                 =}
{========================================================================}
{=                          All Rights Reserved                         =}
{========================================================================}
{=  D 01099 Dresden             = Tel.: +0351-8012255                   =}
{=  Loewenstr.7a                = info@swiftsoft.de                     =}
{========================================================================}
{=  Actual versions on http://www.swiftsoft.de/mmtools.html             =}
{========================================================================}
{=  This code is for reference purposes only and may not be copied or   =}
{=  distributed in any format electronic or otherwise except one copy   =}
{=  for backup purposes.                                                =}
{=                                                                      =}
{=  No Delphi Component Kit or Component individually or in a collection=}
{=  subclassed or otherwise from the code in this unit, or associated   =}
{=  .pas, .dfm, .dcu, .asm or .obj files may be sold or distributed     =}
{=  without express permission from SwiftSoft.                          =}
{=                                                                      =}
{=  For more licence informations please refer to the associated        =}
{=  HelpFile.                                                           =}
{========================================================================}
{=  $Date: 20.01.1998 - 18:00:00 $                                      =}
{========================================================================}
unit MMTrigg;

{$C FIXED PRELOAD PERMANENT}

{$I COMPILER.INC}

{.$DEFINE _MMDEBUG}

interface

uses
{$IFDEF WIN32}
  Windows,
{$ELSE}
  WinTypes,
  WinProcs,
{$ENDIF}
  SysUtils,
  Messages,
  Classes,
  Graphics,
  Controls,
  Forms,
  Dialogs,
  MMSystem,
  MMUtils,
  MMString,
  MMObj,
  MMDSPObj,
  MMRegs,
  MMPCMSup,
  MMWaveIO;

const
  {$IFDEF WIN32}
  TRIGGER_PRIORITY : integer = Thread_Priority_Normal;
  {$ENDIF}
  MINBUFFERSIZE    = 32;

type
  TMMTriggerStates = (trClose, trOpen, trPlay, trPause);
  TMMTriggerState  = set of TMMTriggerStates;

  EMMTriggerError  = class(Exception);

  {$IFDEF WIN32}
  TMMTrigger       = class;

  {-- TMMTrigger ---------------------------------------------------------}
  TMMTrigger = class(TMMCustomSoundComponent)
  public
    constructor Create(AOwner: TComponent); override;
    destructor Destroy; override;

    procedure Open; virtual;
    procedure Close; virtual;
    procedure Start; virtual;
    procedure Pause; virtual;
    procedure Restart; virtual;
    procedure Stop; virtual;

    {$IFDEF WIN32}
    procedure SynchronizeVCL(VCLProc: TThreadMethod);
    {$ENDIF}

    property State: TMMTriggerState read FState;
    property Position: Longint read GetPosition;

  published
    { Events }
    property OnError: TNotifyEvent read FOnError write FOnError;
    property OnOpen: TNotifyEvent read FOnOpen write FOnOpen;
    property OnStart: TNotifyEvent read FOnStart write FOnStart;
    property OnPause: TNotifyEvent read FOnPause write FOnPause;
    property OnRestart: TNotifyEvent read FOnRestart write FOnRestart;
    property OnStop: TNotifyEvent read FOnStop write FOnStop;
    property OnClose: TNotifyEvent read FOnClose write FOnClose;
    property OnBufferFilled: TMMBufferEvent read FOnBufferFilled write FOnBufferFilled;
    property OnBufferReady;
    property OnBufferLoad;

    property Input;
    property Output;
    property BufferSize;
    property Interval: integer read FInterval write SetInterval default 1;
    property TimeFormat: TMMTimeFormats read FTimeFormat write SetTimeFormat default tfByte;
  end;

implementation