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MPLAYER.INT
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1997-02-28
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{*******************************************************}
{ }
{ Delphi Visual Component Library }
{ }
{ Copyright (c) 1995,96 Borland International }
{ }
{*******************************************************}
unit MPlayer;
{$R-}
interface
uses Windows, Classes, Controls, Forms, Graphics, Messages,
MMSystem, Dialogs, SysUtils;
type
TMPBtnType = (btPlay, btPause, btStop, btNext, btPrev, btStep, btBack,
btRecord, btEject);
TButtonSet = set of TMPBtnType;
TMPGlyph = (mgEnabled, mgDisabled, mgColored);
TMPButton = record
Visible: Boolean;
Enabled: Boolean;
Colored: Boolean;
Auto: Boolean;
Bitmaps: array[TMPGlyph] of TBitmap;
end;
TMPDeviceTypes = (dtAutoSelect, dtAVIVideo, dtCDAudio, dtDAT, dtDigitalVideo, dtMMMovie,
dtOther, dtOverlay, dtScanner, dtSequencer, dtVCR, dtVideodisc, dtWaveAudio);
TMPTimeFormats = (tfMilliseconds, tfHMS, tfMSF, tfFrames, tfSMPTE24, tfSMPTE25,
tfSMPTE30, tfSMPTE30Drop, tfBytes, tfSamples, tfTMSF);
TMPModes = (mpNotReady, mpStopped, mpPlaying, mpRecording, mpSeeking,
mpPaused, mpOpen);
TMPNotifyValues = (nvSuccessful, nvSuperseded, nvAborted, nvFailure);
TMPDevCaps = (mpCanStep, mpCanEject, mpCanPlay, mpCanRecord, mpUsesWindow);
TMPDevCapsSet = set of TMPDevCaps;
EMPNotify = procedure (Sender: TObject; Button: TMPBtnType;
var DoDefault: Boolean) of object;
EMPPostNotify = procedure (Sender: TObject; Button: TMPBtnType) of object;
EMCIDeviceError = class(Exception);
TMediaPlayer = class(TCustomControl)
protected
procedure Loaded; override;
procedure AutoButtonSet(Btn: TMPBtnType); dynamic;
procedure Notification(AComponent: TComponent; Operation: TOperation); override;
procedure Paint; override;
procedure MMNotify(var Message: TMessage); message MM_MCINOTIFY;
procedure Click(Button: TMPBtnType; var DoDefault: Boolean); dynamic;
procedure PostClick(Button: TMPBtnType); dynamic;
procedure DoNotify; dynamic;
procedure Updated; override;
public
constructor Create(AOwner: TComponent); override;
destructor Destroy; override;
procedure Open;
procedure Close;
procedure Play;
procedure Stop;
procedure Pause; {Pause & Resume/Play}
procedure Step;
procedure Back;
procedure Previous;
procedure Next;
procedure StartRecording;
procedure Eject;
procedure Save;
procedure PauseOnly;
procedure Resume;
procedure Rewind;
property TrackLength[TrackNum: Integer]: Longint;
property TrackPosition[TrackNum: Integer]: Longint;
property Capabilities: TMPDevCapsSet;
property Error: Longint;
property ErrorMessage: string;
property Start: Longint;
property Length: Longint;
property Tracks: Longint;
property Frames: Longint;
property Mode: TMPModes;
property Position: Longint;
property Wait: Boolean;
property Notify: Boolean;
property NotifyValue: TMPNotifyValues;
property StartPos: Longint;
property EndPos: Longint;
property DeviceID: Word;
property TimeFormat: TMPTimeFormats;
property DisplayRect: TRect;
published
property ColoredButtons: TButtonSet default [btPlay, btPause, btStop, btNext, btPrev, btStep, btBack, btRecord, btEject];
property Enabled;
property EnabledButtons: TButtonSet default [btPlay, btPause, btStop, btNext, btPrev, btStep, btBack, btRecord, btEject];
property VisibleButtons: TButtonSet default [btPlay, btPause, btStop, btNext, btPrev, btStep, btBack, btRecord, btEject];
property AutoEnable: Boolean default True;
property AutoOpen: Boolean default False;
property AutoRewind: Boolean default True;
property DeviceType: TMPDeviceTypes default dtAutoSelect;
property Display: TWinControl;
property FileName: string;
property Shareable: Boolean default False;
property Visible;
property ParentShowHint;
property ShowHint;
property PopupMenu;
property TabOrder;
property TabStop;
property OnClick: EMPNotify;
property OnEnter;
property OnExit;
property OnPostClick: EMPPostNotify;
property OnNotify: TNotifyEvent;
end;
implementation