RealICQClient/Includes/2007_MMTools/Help/Doc/MPEG/mmaplay.int

{========================================================================}
{=                (c) 1995-98 SwiftSoft Ronald Dittrich                 =}
{========================================================================}
{=                          All Rights Reserved                         =}
{========================================================================}
{=  D 01099 Dresden             = Fax.: +49(0)351-8037944               =}
{=  Loewenstr.7a                = info@swiftsoft.de                     =}
{========================================================================}
{=  Actual versions on http://www.swiftsoft.de/index.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: 10.01.99 - 01:19:04 $                                        =}
{========================================================================}
unit MMAPlay;

{$I COMPILER.INC}

interface

{$DEFINE _USEDS_}

uses
{$IFDEF WIN32}
  Windows,
{$ELSE}
  WinTypes,
  WinProcs,
{$ENDIF}
  SysUtils,
  Classes,
  Controls,
  Dialogs,
  MMSystem,
  MMObj,
  MMMath,
  MMMulDiv,
  MMDSPobj,
  MMRegs,
  MMUtils,
  MMAudio,
  MMPitch,
  MMWavOut,
  MMMPType
  {$IFDEF _USEDS_}
  ,MMDSWOut,
  MMDSound
  {$ENDIF}
  ;

type
    EMMAudioPlayerError = class(Exception);

    {-- TMMAudioPlayer --------------------------------------------------------}
    TMMAudioPlayer = class(TMMBaseAudioFile)
    public
       constructor Create(aOwner: TComponent); override;
       destructor  Destroy; override;

       function  SelectFile: Boolean;
       procedure LoadFromFile(const aFileName: String);
       procedure FreeFile;

       procedure SetDecodeCallback(Callback: TMpegDecodeProc; dwInstance: Longint);
       procedure SetDecodeMode(Mode: TMpegDecodeMode);
       procedure ScanFile(SaveInfo: Boolean; dwInstance: DWORD; Callback: TMpegScanProc);
       procedure EncryptFile(DestFile: string; dwInstance: DWORD; lpEncodeCB: TMpegDecodeProc; lpProcessCB: TMpegScanProc);
       function  ReadID3Tag(var Info: TTAGInfo): Boolean;

       procedure Play;
       procedure Stop;
       procedure StopFade(Duration: Longint);
       procedure Pause;
       procedure Restart;

       property  PWaveFormat;
       property  State: TMMWaveOutState read GetState;
       property  Position: Longint read GetPosition write SetPosition;

       property  Empty: Boolean read GetEmpty;
       property  SampleRate: Longint read GetSampleRate;
       property  Channels: integer read GetChannels;
       property  BitRate: integer read GetBitRate;
       property  ChannelMode: TMMMode read GetChannelMode;
       property  Layer: integer read GetLayer;
       property  FileLength: Longint read GetFileLength;
       property  PlayLength: Longint read GetPlayLength write SetPlayLength;
       property  FadeInDuration: Longint read GetFadeInDuration write SetFadeInDuration;
       property  FadeOutDuration: Longint read GetFadeOutDuration write SetFadeOutDuration;
       property  FadeOutPosition: LongInt read GetFadeOutPosition write SetFadeOutPosition;

    published
       property OnStart: TNotifyEvent read FOnStart write FOnStart;
       property OnStop: TNotifyEvent read FOnStop write FOnStop;
       property OnPause: TNotifyEvent read FOnPause write FOnPause;
       property OnRestart: TNotifyEvent read FOnRestart write FOnRestart;
       property OnData: TMMBufferEvent read FOnData write FOnData;
       property OnChange: TNotifyEvent read FOnChange write FOnChange;

       property Output;
       property FileName;
       property FileType: TMMAudioFileType read GetFileType write SetFileType stored False;
       property BufferSize: Longint read GetBufferSize write SetBufferSize;
       property NumBuffers: integer read GetNumBuffers write SetNumBuffers;
       property DeviceID: TMMDeviceID read GetDeviceID write SetDeviceID;
       property ProductName: string read GetProductName write SetProductName stored False;
       property CallBackMode: TMMCBMode read GetCallBackMode write SetCallBackMode;
       property ResetPosition: Boolean read FResetPos write FResetPos default True;
       property Volume: Longint read FVolume write SetVolume default VOLUMEBASE;
       property Panning: Longint read FPanning write SetPanning default 0;
       property Pitch: Float read FPitchVal write SetPitch;
       {$IFDEF _USEDS_}
       property UseDSound: Boolean read FUseDSound write SetUseDSound default False;
       {$ENDIF}
    end;

implementation