Implements Module Player working in Form
* Implements Embedding .xm music in Final Application
This commit is contained in:
509
UOS/examples/main_wfvrt.pas
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509
UOS/examples/main_wfvrt.pas
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@@ -0,0 +1,509 @@
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/////////////////// Demo how to use United Openlib of Sound ////////////////////
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//// Set debugger off => too much calcul...
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unit main_wfvrt;
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{$mode objfpc}{$H+}
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interface
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uses
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uos_flat,
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Forms,
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Dialogs,
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SysUtils,
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fileutil,
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Graphics,
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ctypes,
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StdCtrls,
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ComCtrls,
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ExtCtrls,
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Classes,
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Controls;
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type
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{ TForm1 }
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TForm1 = class(TForm)
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Button1: TButton;
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Button2: TButton;
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Button3: TButton;
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Button4: TButton;
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Button5: TButton;
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Button6: TButton;
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Edit1: TEdit;
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Edit2: TEdit;
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Edit4: TEdit;
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Edit5: TEdit;
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Label1: TLabel;
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Label2: TLabel;
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Label3: TLabel;
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Label4: TLabel;
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OpenDialog1: TOpenDialog;
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PaintBox1: TPaintBox;
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PaintBox2: TPaintBox;
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TrackBar1: TTrackBar;
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procedure Button1Click(Sender: TObject);
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procedure Button2Click(Sender: TObject);
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procedure Button3Click(Sender: TObject);
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procedure Button4Click(Sender: TObject);
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procedure Button5Click(Sender: TObject);
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procedure Button6Click(Sender: TObject);
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procedure Edit5Change(Sender: TObject);
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procedure FormActivate(Sender: TObject);
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procedure FormCreate(Sender: TObject);
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procedure FormDestroy(Sender: TObject);
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procedure Label3Click(Sender: TObject);
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procedure PaintBox1Paint(Sender: TObject);
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procedure PaintBox2Click(Sender: TObject);
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procedure PaintBox2Paint(Sender: TObject);
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procedure DrawWaveForm;
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procedure ShowPosition;
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procedure ClosePlayer1;
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procedure LoopProcPlayer1;
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private
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{ private declarations }
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public
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{ public declarations }
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end;
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procedure uos_logo();
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var
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Form1: TForm1;
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BufferBMP, waveformBMP: TBitmap;
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PlayerIndex1, In1index, chan, vrtpos, filelength: integer;
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vrtfound: boolean = false;
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implementation
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{$R *.lfm}
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{ TForm1 }
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procedure TForm1.FormActivate(Sender: TObject);
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var
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ordir: string;
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{$IFDEF Darwin}
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opath: string;
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{$ENDIF}
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begin
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ordir := application.Location;
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uos_logo();
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{$IFDEF Windows}
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{$if defined(cpu64)}
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Edit1.Text := ordir + 'lib\Windows\64bit\LibPortaudio-64.dll';
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Edit2.Text := ordir + 'lib\Windows\64bit\LibSndFile-64.dll';
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{$else}
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Edit1.Text := ordir + 'lib\Windows\32bit\LibPortaudio-32.dll';
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Edit2.Text := ordir + 'lib\Windows\32bit\LibSndFile-32.dll';
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{$endif}
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Edit4.Text := ordir + 'sound\noisyvoice.ogg';
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{$ENDIF}
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{$IFDEF Darwin}
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{$IFDEF CPU32}
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opath := ordir;
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opath := copy(opath, 1, Pos('/uos', opath) - 1);
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Edit1.Text := opath + '/lib/Mac/32bit/LibPortaudio-32.dylib';
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Edit2.Text := opath + '/lib/Mac/32bit/LibSndFile-32.dylib';
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Edit4.Text := ordir + 'sound/noisyvoice.ogg';
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{$ENDIF}
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{$IFDEF CPU64}
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opath := ordir;
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opath := copy(opath, 1, Pos('/uos', opath) - 1);
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Edit1.Text := opath + '/lib/Mac/64bit/LibPortaudio-64.dylib';
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Edit2.Text := opath + '/lib/Mac/64bit/LibSndFile-64.dylib';
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Edit4.Text := ordir + 'sound/noisyvoice.ogg';
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{$ENDIF}
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{$ENDIF}
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{$if defined(CPUAMD64) and defined(linux) }
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Edit1.Text := ordir + 'lib/Linux/64bit/LibPortaudio-64.so';
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Edit2.Text := ordir + 'lib/Linux/64bit/LibSndFile-64.so';
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Edit4.Text := ordir + 'sound/noisyvoice.ogg';
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{$ENDIF}
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{$if defined(cpu86) and defined(linux)}
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Edit1.Text := ordir + 'lib/Linux/32bit/LibPortaudio-32.so';
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Edit2.Text := ordir + 'lib/Linux/32bit/LibSndFile-32.so';
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Edit4.Text := ordir + 'sound/noisyvoice.ogg';
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{$endif}
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{$if defined(linux) and defined(cpuaarch64)}
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Edit1.Text := ordir + 'lib/Linux/aarch64_raspberrypi/libportaudio_aarch64.so';
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Edit2.Text := ordir + 'lib/Linux/aarch64_raspberrypi/libsndfile_aarch64.so';
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Edit4.Text := ordir + 'sound/noisyvoice.ogg';
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{$ENDIF}
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{$if defined(linux) and defined(cpuarm)}
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Edit1.Text := ordir + 'lib/Linux/arm_raspberrypi/libportaudio-arm.so';
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Edit2.Text := ordir + 'lib/Linux/arm_raspberrypi/libsndfile-arm.so';
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Edit4.Text := ordir + 'sound/noisyvoice.ogg';
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{$ENDIF}
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{$if defined(CPUAMD64) and defined(openbsd) }
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Edit1.Text := ordir + 'lib/OpenBSD/64bit/LibPortaudio-64.so';
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Edit2.Text := ordir + 'lib/OpenBSD/64bit/LibSndFile-64.so';
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Edit4.Text := ordir + 'sound/noisyvoice.ogg';
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{$ENDIF}
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{$IFDEF freebsd}
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{$if defined(cpu64)}
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Edit1.Text := ordir + 'lib/FreeBSD/64bit/libportaudio-64.so';
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Edit2.Text := ordir + 'lib/FreeBSD/64bit/libsndfile-64.so';
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{$else}
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Edit1.Text := ordir + 'lib/FreeBSD/32bit/libportaudio-32.so';
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Edit2.Text := ordir + 'lib/FreeBSD/32bit/libsndfile-32.so';
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{$endif}
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Edit4.Text := ordir + 'sound/noisyvoice.ogg';
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{$ENDIF}
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opendialog1.Initialdir := application.Location + 'sound';
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end;
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procedure TForm1.PaintBox1Paint(Sender: TObject);
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begin
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PaintBox1.Canvas.Draw(0, 0, BufferBMP);
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end;
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procedure TForm1.PaintBox2Click(Sender: TObject);
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begin
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end;
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procedure TForm1.PaintBox2Paint(Sender: TObject);
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begin
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PaintBox2.Canvas.Draw(0, 0, waveformBMP);
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end;
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procedure TForm1.Button1Click(Sender: TObject);
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begin
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{$if defined(CPUAMD64) and defined(linux) }
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// For Linux amd64, check libsndfile.so
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if (Edit2.Text <> 'system') and (Edit2.Text <> '') then
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if uos_TestLoadLibrary(PChar(edit2.Text)) = false then
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edit2.Text := edit2.Text + '.2';
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{$endif}
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// Load the libraries
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// function uos_loadlib(PortAudioFileName, SndFileFileName, Mpg123FileName, Mp4ffFileName, FaadFileName, opusfilefilename, libxmpfilename: PChar) : LongInt;
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// You may load one or more libraries . When you want... :
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if uos_LoadLib(PChar(edit1.Text), PChar(edit2.Text), nil, nil, nil, nil, nil) = 0 then
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begin
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form1.hide;
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button1.Caption :=
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'PortAudio, SndFile libraries are loaded...';
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button1.Enabled := False;
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edit1.ReadOnly := True;
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edit2.ReadOnly := True;
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form1.Height := 172;
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form1.Position := poScreenCenter;
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form1.Caption := 'Wave Form. uos version ' + IntToStr(uos_getversion());
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form1.Show;
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end
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else
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MessageDlg('Error while loading libraries...', mtWarning, [mbYes], 0);
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end;
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procedure TForm1.ClosePlayer1;
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begin
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Form1.button3.Enabled := True;
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Form1.button4.Enabled := True;
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Form1.button5.Enabled := False;
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Form1.trackbar1.Enabled := False;
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Form1.TrackBar1.Position := 0;
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end;
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procedure Tform1.LoopProcPlayer1; ///this to seek begin of sound
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var
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volumeLR : cfloat;
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temptime: ttime;
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ho, mi, se, ms: word;
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begin
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if vrtfound = false then
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begin
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volumeLR := (uos_InputGetLevelLeft(PlayerIndex1, In1Index) +
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uos_InputGetLevelRight(PlayerIndex1, In1Index)) / 2;
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if volumeLR > strtofloat(edit5.text) then // you need to test/adjust the value
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begin
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temptime := uos_InputPositionTime(PlayerIndex1, In1Index);
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vrtpos := uos_InputPosition(PlayerIndex1, In1Index);
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DecodeTime(temptime, ho, mi, se, ms);
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label3.Caption := 'With threshold ' + edit5.text + ': VRT = ' + format('%.2d:%.2d:%.2d.%.3d', [ho, mi, se, ms]); // here the time of begin of sound that you will use in text file
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vrtfound := true;
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end;
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end;
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end;
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procedure TForm1.Button3Click(Sender: TObject);
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var
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framewanted: integer;
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begin
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form1.Height := 456;
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form1.Position := poScreenCenter;
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if fileexists(Edit4.Text) then
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begin
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vrtfound := false;
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label3.Caption := '';
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if Assigned(waveformBMP) then
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waveformBMP.Free;
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waveformBMP := TBitmap.Create;
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PaintBox2.Parent.DoubleBuffered := True;
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waveformBMP.Height := PaintBox2.Height;
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waveformBMP.Width := PaintBox2.Width;
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waveformBMP.Canvas.AntialiasingMode := amOn;
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waveformBMP.Canvas.Pen.Width := 1;
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waveformBMP.Canvas.brush.Color := clgray;
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waveformBMP.Canvas.FillRect(0, 0, PaintBox2.Width, PaintBox2.Height);
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PaintBox2.Refresh;
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PlayerIndex1 := 0;
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//// Create the player.
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uos_CreatePlayer(PlayerIndex1);
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//// PlayerIndex : from 0 to what your computer can do !
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//// If PlayerIndex exists already, it will be overwriten...
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//// add input from audio file with default parameters
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In1Index := uos_AddFromFile(PlayerIndex1, PChar(Edit4.Text));
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chan := uos_InputGetChannels(PlayerIndex1, In1Index);
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//// no output because only decode the steam for wave form
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/// get the length of the audio file
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filelength := uos_InputLength(PlayerIndex1, In1Index);
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///// set calculation of level/volume into array (usefull for wave form procedure)
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uos_InputSetLevelArrayEnable(PlayerIndex1, In1Index, 2);
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///////// set level calculation (default is 0)
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// 0 => no calcul
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// 1 => calcul before all DSP procedures.
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// 2 => calcul after all DSP procedures.
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//// determine how much frame will be designed
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framewanted := filelength div paintbox2.Width;
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uos_InputSetFrameCount(PlayerIndex1, In1Index, framewanted);
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uos_InputSetLevelEnable(PlayerIndex1, In1Index, 2);
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uos_InputSetPositionEnable(PlayerIndex1, In1Index, 1);
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uos_LoopProcIn(PlayerIndex1, In1Index, @LoopProcPlayer1); // this to seek begin of sound
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///// Assign the procedure of object to execute at end of stream
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uos_EndProc(PlayerIndex1, @DrawWaveForm);
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uos_Play(PlayerIndex1); /////// everything is ready, here we are, lets do it...
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end
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else
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MessageDlg(edit4.Text + ' do not exist...', mtWarning, [mbYes], 0);
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end;
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procedure TForm1.Button4Click(Sender: TObject);
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begin
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if fileexists(Edit4.Text) then
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begin
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PlayerIndex1 := 0;
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//// Create the player.
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uos_CreatePlayer(PlayerIndex1);
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//// PlayerIndex : from 0 to what your computer can do !
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//// If PlayerIndex exists already, it will be overwriten...
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//// add input from audio file with default parameters
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In1Index := uos_AddFromFile(PlayerIndex1, PChar(Edit4.Text));
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//// add a Output into device
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{$if defined(cpuarm) or defined(cpuaarch64)} // need a lower latency
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uos_AddIntoDevOut(PlayerIndex1, -1, 0.3, uos_InputGetSampleRate(PlayerIndex1, In1Index), -1, -1, -1, -1);
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{$else}
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uos_AddIntoDevOut(PlayerIndex1, -1, -1, uos_InputGetSampleRate(PlayerIndex1, In1Index), -1, -1, -1, -1);
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{$endif}
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uos_InputSetPositionEnable(PlayerIndex1, In1Index, 1);
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///////// set position calculation (default is 0)
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// 0 => no calcul
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// 1 => calcul position.
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uos_LoopProcIn(PlayerIndex1, In1Index, @showposition);
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///// Assign the procedure of object to execute inside the loop for a Input
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//////////// PlayerIndex : Index of a existing Player
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//////////// InIndex : Index of a existing Input
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//////////// showposition : procedure of object to execute inside the loop
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trackbar1.Max := uos_InputLength(PlayerIndex1, In1Index);
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////// Length of Input in samples
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/////// procedure to execute when stream is terminated
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uos_EndProc(PlayerIndex1, @ClosePlayer1);
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///// Assign the procedure of object to execute at end
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//////////// PlayerIndex : Index of a existing Player
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//////////// ClosePlayer1 : procedure of object to execute at end of loop
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TrackBar1.position := 0;
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trackbar1.Enabled := True;
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Button3.Enabled := False;
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Button4.Enabled := False;
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Button5.Enabled := True;
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application.ProcessMessages;
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uos_Play(PlayerIndex1); /////// everything is ready, here we are, lets play it...
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end
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else
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MessageDlg(edit4.Text + ' do not exist...', mtWarning, [mbYes], 0);
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end;
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procedure TForm1.Button5Click(Sender: TObject);
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begin
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uos_Stop(PlayerIndex1);
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end;
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procedure TForm1.Button6Click(Sender: TObject);
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begin
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close;
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end;
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procedure TForm1.Edit5Change(Sender: TObject);
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begin
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end;
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procedure TForm1.Button2Click(Sender: TObject);
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begin
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if opendialog1.Execute then
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Edit4.Text := opendialog1.FileName;
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end;
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procedure uos_logo();
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var
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xpos, ypos: integer;
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ratio: double;
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begin
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xpos := 0;
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ypos := 0;
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ratio := 1;
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BufferBMP := TBitmap.Create;
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with form1 do
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begin
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form1.PaintBox1.Parent.DoubleBuffered := True;
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PaintBox1.Height := round(ratio * 116);
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PaintBox1.Width := round(ratio * 100);
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BufferBMP.Height := PaintBox1.Height;
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BufferBMP.Width := PaintBox1.Width;
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BufferBMP.Canvas.AntialiasingMode := amOn;
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BufferBMP.Canvas.Pen.Width := round(ratio * 6);
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BufferBMP.Canvas.brush.Color := clmoneygreen;
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BufferBMP.Canvas.FillRect(0, 0, PaintBox1.Width, PaintBox1.Height);
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BufferBMP.Canvas.Pen.Color := clblack;
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BufferBMP.Canvas.brush.Color := $70FF70;
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BufferBMP.Canvas.Ellipse(round(ratio * (22) + xpos),
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round(ratio * (30) + ypos), round(ratio * (72) + xpos),
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round(ratio * (80) + ypos));
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BufferBMP.Canvas.brush.Color := clmoneygreen;
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BufferBMP.Canvas.Arc(round(ratio * (34) + xpos), round(ratio * (8) + ypos),
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round(ratio * (58) + xpos), round(ratio * (32) + ypos), round(ratio * (58) + xpos),
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round(ratio * (20) + ypos), round(ratio * (46) + xpos),
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round(ratio * (32) + xpos));
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BufferBMP.Canvas.Arc(round(ratio * (34) + xpos), round(ratio * (32) + ypos),
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round(ratio * (58) + xpos), round(ratio * (60) + ypos), round(ratio * (34) + xpos),
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round(ratio * (48) + ypos), round(ratio * (46) + xpos),
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round(ratio * (32) + ypos));
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BufferBMP.Canvas.Arc(round(ratio * (-28) + xpos), round(ratio * (18) + ypos),
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round(ratio * (23) + xpos), round(ratio * (80) + ypos), round(ratio * (20) + xpos),
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round(ratio * (50) + ypos), round(ratio * (3) + xpos), round(ratio * (38) + ypos));
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BufferBMP.Canvas.Arc(round(ratio * (70) + xpos), round(ratio * (18) + ypos),
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round(ratio * (122) + xpos), round(ratio * (80) + ypos),
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round(ratio * (90 - xpos)),
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round(ratio * (38) + ypos), round(ratio * (72) + xpos),
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round(ratio * (50) + ypos));
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BufferBMP.Canvas.Font.Name := 'Arial';
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BufferBMP.Canvas.Font.Size := round(ratio * 10);
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BufferBMP.Canvas.TextOut(round(ratio * (4) + xpos),
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round(ratio * (83) + ypos), 'United Openlib');
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BufferBMP.Canvas.Font.Size := round(ratio * 7);
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BufferBMP.Canvas.TextOut(round(ratio * (20) + xpos),
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round(ratio * (101) + ypos), 'of');
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BufferBMP.Canvas.Font.Size := round(ratio * 10);
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BufferBMP.Canvas.TextOut(round(ratio * (32) + xpos),
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round(ratio * (98) + ypos), 'Sound');
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end;
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end;
|
||||
|
||||
procedure TForm1.ShowPosition;
|
||||
begin
|
||||
form1.TrackBar1.Position := uos_InputPosition(PlayerIndex1, In1Index);
|
||||
end;
|
||||
|
||||
procedure Tform1.DrawWaveForm;
|
||||
var
|
||||
poswav: integer;
|
||||
waveformdata: array of cfloat;
|
||||
begin
|
||||
sleep(250);
|
||||
poswav := 0;
|
||||
|
||||
waveformdata := uos_InputGetLevelArray(PlayerIndex1, In1Index);
|
||||
|
||||
while poswav < length(waveformdata) div chan do
|
||||
begin
|
||||
if chan = 2 then
|
||||
begin
|
||||
waveformBMP.Canvas.Pen.Color := clyellow;
|
||||
waveformBMP.Canvas.Line(poswav, paintbox2.Height div 2, poswav, ((paintbox2.Height div 2) - 1) - round((waveformdata[poswav * 2]) * (paintbox2.Height / 2) - 1));
|
||||
waveformBMP.Canvas.Pen.Color := clred;
|
||||
waveformBMP.Canvas.Line(poswav, (paintbox2.Height div 2) + 2, poswav, ((paintbox2.Height div 2) + 1) + round((waveformdata[(poswav * 2) + 1]) * (paintbox2.Height / 2) + 1));
|
||||
end;
|
||||
if chan = 1 then
|
||||
begin
|
||||
waveformBMP.Canvas.Pen.Color := clgreen;
|
||||
waveformBMP.Canvas.Line(poswav, 0, poswav, ((paintbox2.Height) - 1) - round((waveformdata[poswav]) * (paintbox2.Height) - 1));
|
||||
end;
|
||||
Inc(poswav);
|
||||
end;
|
||||
|
||||
waveformBMP.Canvas.Pen.Color := clpurple;
|
||||
|
||||
waveformBMP.Canvas.Line(round(paintbox2.width*vrtpos/filelength)-2, 0, round(paintbox2.width*vrtpos/filelength)-2, ((paintbox2.Height) - 1));
|
||||
|
||||
paintbox2.Refresh;
|
||||
end;
|
||||
|
||||
procedure TForm1.FormCreate(Sender: TObject);
|
||||
begin
|
||||
Form1.Height := 123;
|
||||
end;
|
||||
|
||||
procedure TForm1.FormDestroy(Sender: TObject);
|
||||
begin
|
||||
if button1.Enabled = False then
|
||||
uos_free;
|
||||
end;
|
||||
|
||||
procedure TForm1.Label3Click(Sender: TObject);
|
||||
begin
|
||||
|
||||
end;
|
||||
|
||||
end.
|
||||
|
||||
Reference in New Issue
Block a user