unit Unit1;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, StdCtrls, ExtCtrls, ComCtrls, TrackBarEx;

type
  TVODForm = class(TForm)
    Button1: TButton;
    Panel1: TPanel;
    OpenDialog1: TOpenDialog;
    Button2: TButton;
    Button3: TButton;
    Button4: TButton;
    Button5: TButton;
    RadioGroup1: TRadioGroup;
    StatusBar1: TStatusBar;
    Timer1: TTimer;
    Label2: TLabel;
    Label3: TLabel;
    Label4: TLabel;
    Label5: TLabel;
    TrackBar1: TTrackBar;
    TrackBar2: TTrackBar;
    TrackBar3: TTrackBar;
    TrackBar4: TTrackBar;
    CheckBox1: TCheckBox;
    TB_Pos: TTrackBarEx;
    Label1: TLabel;
    OpenDialog2: TOpenDialog;
    EditPass: TEdit;
    Label6: TLabel;
    procedure FormCreate(Sender: TObject);
    procedure FormCloseQuery(Sender: TObject; var CanClose: Boolean);
    procedure Button1Click(Sender: TObject);
    procedure Button2Click(Sender: TObject);
    procedure Button3Click(Sender: TObject);
    procedure Button4Click(Sender: TObject);
    procedure Button5Click(Sender: TObject);
    procedure RadioGroup1Click(Sender: TObject);
    procedure Timer1Timer(Sender: TObject);
    procedure TrackBar1Change(Sender: TObject);
    procedure TrackBar2Change(Sender: TObject);
    procedure CheckBox1Click(Sender: TObject);
    procedure TB_PosMouseDown(Sender: TObject; Button: TMouseButton;
      Shift: TShiftState; X, Y: Integer);
    procedure TB_PosMouseUp(Sender: TObject; Button: TMouseButton;
      Shift: TShiftState; X, Y: Integer);
  private
    { Private declarations }
    isMouseDown: Boolean;
  public
    { Public declarations }
  end;

var
  VODForm: TVODForm;

implementation

uses funcUnit;

{$R *.dfm}

function MTimeToTimeStr( mTime : dWord ) : String;
var
  HH,MM,SS : Word;
begin
  HH:=mTime div 3600 ;
  MM:=mTime - 3600 * HH;
  SS:=MM mod 60;
  MM:=MM div 60;
  Result:=Format('%.2d:%.2d:%.2d',[HH,MM,SS]);
end;

procedure TVODForm.FormCreate(Sender: TObject);
begin                     

 if InitDriverRm < 0 then
   MessageBox(Handle,'沒有找到解壓卡，請安裝神龍解壓卡!',Pchar(Caption),MB_ICONINFORMATION);

 SetVideoHandleRm(Panel1.Handle);

 SetVideoWatchRm(True);

end;

procedure TVODForm.FormCloseQuery(Sender: TObject; var CanClose: Boolean);
begin
  FreeDriverRm;
end;

procedure TVODForm.Button1Click(Sender: TObject);
var
 ID  : integer;
 dwPos : integer;
begin
 if OpenDialog1.Execute then
 begin
   SetPlayPassword(Pchar(EditPass.Text));
   ID:=OpenFileRm(Pchar(OpenDialog1.FileName));
   if ID >= 0 then
   begin
      dwPos:= GetMediaLengthRm();
      StatusBar1.Panels[1].Text:= MTimeToTimeStr(dwPos div 1000);
      TB_Pos.Max:=dwPos;
      StatusBar1.Panels[7].Text:=inttostr(GetAudioTrackRm());
      PlayFileRm;
   end
   else
    begin
     if ID=-200 then
     begin
      showmessage(format('歌曲加密，打開文件失敗,錯誤代碼[%d]!',[ID]));
      EditPass.SetFocus;
     end
     else
      showmessage(format('打開文件失敗,錯誤代碼[%d]!',[ID]));
    end;

 end;   
end;

procedure TVODForm.Button2Click(Sender: TObject);
begin
 PlayFileRm;
end;

procedure TVODForm.Button3Click(Sender: TObject);
begin
 PauseFileRm;
end;

procedure TVODForm.Button4Click(Sender: TObject);
begin
  StopFileRm;
end;

procedure TVODForm.Button5Click(Sender: TObject);
begin
 CloseFileRm;
end;

procedure TVODForm.RadioGroup1Click(Sender: TObject);
begin
 SelectAudioChannelRm(RadioGroup1.ItemIndex);   
end;

procedure TVODForm.Timer1Timer(Sender: TObject);
var
  dwPos : integer;
begin
  dwPos:=GetPositionRm();

  if isMouseDown=False then TB_Pos.Position:= dwPos;
  StatusBar1.Panels[3].Text:= MTimeToTimeStr(dwPos div 1000);

  ////0:打開，1：播放，2：暫停，3：停止，4：結束,5:關閉

 case GetMediaStateRm of
  0 : StatusBar1.Panels[5].Text:= '打開';
  1 : StatusBar1.Panels[5].Text:= '播放';
  2 : StatusBar1.Panels[5].Text:= '暫停';
  3 : StatusBar1.Panels[5].Text:= '停止';
  4 : StatusBar1.Panels[5].Text:= '結束';
  5 : StatusBar1.Panels[5].Text:= '關閉';
 end;

end;

procedure TVODForm.TrackBar1Change(Sender: TObject);
begin
  SetVolumeRm(TrackBar1.Position);
end;

procedure TVODForm.TrackBar2Change(Sender: TObject);
begin
  SetB_S_CRm(TrackBar2.Position,TrackBar3.Position,TrackBar4.Position);
end;

procedure TVODForm.CheckBox1Click(Sender: TObject);
begin
 SetVideoWatchRm(CheckBox1.Checked);
end;

procedure TVODForm.TB_PosMouseDown(Sender: TObject; Button: TMouseButton;
  Shift: TShiftState; X, Y: Integer);
begin
  isMouseDown:=True;
end;

procedure TVODForm.TB_PosMouseUp(Sender: TObject; Button: TMouseButton;
  Shift: TShiftState; X, Y: Integer);
begin
 if isMouseDown then
   begin
     SetPositionRm(TB_Pos.Position);
   end;

 isMouseDown:=False;

end;

end.