Implements Module Player working in Form
* Implements Embedding .xm music in Final Application
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287
UOS/examples/formspectrum_unit.pas
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287
UOS/examples/formspectrum_unit.pas
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unit formspectrum_unit;
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{$mode objfpc}{$H+}
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interface
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uses
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Classes,
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ctypes,
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SysUtils,
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uos_flat,
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Forms,
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Controls,
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Graphics,
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Dialogs,
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ComCtrls,
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StdCtrls,
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EditBtn, Types;
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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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FileNameEdit1: TFileNameEdit;
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Label1: TLabel;
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ProgressBar10: TProgressBar;
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ProgressBar1: TProgressBar;
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ProgressBar2: TProgressBar;
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ProgressBar3: TProgressBar;
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ProgressBar4: TProgressBar;
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ProgressBar5: TProgressBar;
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ProgressBar6: TProgressBar;
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ProgressBar7: TProgressBar;
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ProgressBar8: TProgressBar;
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ProgressBar9: TProgressBar;
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procedure Button1Click(Sender: TObject);
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procedure Button2Click(Sender: TObject);
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procedure FormActivate(Sender: TObject);
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procedure closeplayer;
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procedure FormDestroy(Sender: TObject);
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procedure LoopProcPlayer;
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procedure endprocedure;
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private
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public
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end;
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equalizer_band_type = record
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lo_freq, hi_freq: integer;
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Text: string[10];
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end;
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var
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Equalizer_Bands: array[1..10] of equalizer_band_type;
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Form1: TForm1;
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res, x, y, z: integer;
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thearray: array of cfloat;
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ordir, opath, SoundFilename, PA_FileName, SF_FileName, MP_FileName: string;
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PlayerIndex1, InputIndex1, OutputIndex1: integer;
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implementation
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{$R *.lfm}
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{ TForm1 }
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procedure TForm1.ClosePlayer;
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begin
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button1.Enabled := True;
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end;
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procedure TForm1.FormDestroy(Sender: TObject);
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begin
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uos_stop(0);
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uos_free();
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end;
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procedure TForm1.LoopProcPlayer;
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var
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i, v: integer;
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begin
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if uos_getstatus(PlayerIndex1) > 0 then
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begin
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i := 1;
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thearray := uos_InputFiltersGetLevelArray(PlayerIndex1, InputIndex1);
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x := 0;
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while x < length(thearray) - 1 do
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begin
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if i <= 10 then
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begin
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v := trunc((thearray[x] + thearray[x + 1]) * 50);
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TProgressBar(findcomponent('ProgressBar' + IntToStr(i))).position := v;
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end;
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x := x + 2;
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Inc(i);
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end;
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end;
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end;
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procedure TForm1.Button1Click(Sender: TObject);
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var
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i: integer;
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begin
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PlayerIndex1 := 0;
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if uos_CreatePlayer(PlayerIndex1) then
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begin
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SoundFilename := FileNameEdit1.FileName;
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InputIndex1 := uos_AddFromFile(PlayerIndex1, (PChar(SoundFilename)), -1, -1, 4096);
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if InputIndex1 > -1 then
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begin
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OutputIndex1 := uos_AddIntoDevOut(PlayerIndex1, -1, 0.3, -1, -1, -1, 4096, -1);
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if OutputIndex1 > -1 then
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begin
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// Spectrum : create bandpass filters with alsobuf set to false, how many you want:
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for i := 1 to 10 do
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uos_InputAddFilter(PlayerIndex1, InputIndex1,
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3, Equalizer_Bands[i].lo_freq, Equalizer_Bands[i].hi_freq, 1,
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3, Equalizer_Bands[i].lo_freq, Equalizer_Bands[i].hi_freq, 1, False, nil);
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uos_Endproc(PlayerIndex1,@endprocedure);
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uos_LoopProcIn(PlayerIndex1, InputIndex1, @LoopProcPlayer);
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/////// everything is ready, here we are, lets play it...
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uos_Play(PlayerIndex1);
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Button1.Enabled := False;
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end;
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end;
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end;
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end;
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procedure TForm1.Button2Click(Sender: TObject);
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begin
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uos_stop(PlayerIndex1);
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Button1.Enabled := True;
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end;
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procedure TForm1.endprocedure;
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begin
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Button1.Enabled := True;
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end;
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procedure TForm1.FormActivate(Sender: TObject);
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var
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i: integer = 1;
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begin
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ordir := IncludeTrailingBackslash(ExtractFilePath(ParamStr(0)));
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{$IFDEF Windows}
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{$if defined(cpu64)}
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PA_FileName := ordir + 'lib\Windows\64bit\LibPortaudio-64.dll';
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SF_FileName := ordir + 'lib\Windows\64bit\LibSndFile-64.dll';
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MP_FileName := ordir + 'lib\Windows\64bit\LibMpg123-64.dll';
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{$else}
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PA_FileName := ordir + 'lib\Windows\32bit\LibPortaudio-32.dll';
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SF_FileName := ordir + 'lib\Windows\32bit\LibSndFile-32.dll';
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MP_FileName := ordir + 'lib\Windows\32bit\LibMpg123-32.dll';
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{$endif}
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SoundFilename := ordir + 'sound\test.ogg';
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{$ENDIF}
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{$if defined(CPUAMD64) and defined(linux) }
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SF_FileName := ordir + 'lib/Linux/64bit/LibSndFile-64.so';
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PA_FileName := ordir + 'lib/Linux/64bit/LibPortaudio-64.so';
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MP_FileName := ordir + 'lib/Linux/64bit/LibMpg123-64.so';
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SoundFilename := ordir + 'sound/test.ogg';
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{$ENDIF}
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{$if defined(cpu86) and defined(linux)}
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PA_FileName := ordir + 'lib/Linux/32bit/LibPortaudio-32.so';
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SF_FileName := ordir + 'lib/Linux/32bit/LibSndFile-32.so';
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MP_FileName := ordir + 'lib/Linux/32bit/LibMpg123-32.so';
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SoundFilename := ordir + 'sound/test.ogg';
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{$ENDIF}
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{$if defined(linux) and defined(cpuaarch64)}
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PA_FileName := ordir + 'lib/Linux/aarch64_raspberrypi/libportaudio_aarch64.so';
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SF_FileName := ordir + 'lib/Linux/aarch64_raspberrypi/libsndfile_aarch64.so';
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MP_FileName := ordir + 'lib/Linux/aarch64_raspberrypi/libmpg123_aarch64.so';
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SoundFilename := ordir + 'sound/test.ogg';
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{$ENDIF}
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{$if defined(linux) and defined(cpuarm)}
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PA_FileName := ordir + 'lib/Linux/arm_raspberrypi/libportaudio-arm.so';
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SF_FileName := ordir + 'lib/Linux/arm_raspberrypi/libsndfile-arm.so';
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MP_FileName := ordir + 'lib/Linux/arm_raspberrypi/libmpg123-arm.so';
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SoundFilename := ordir + 'sound/test.ogg';
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{$ENDIF}
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{$IFDEF freebsd}
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{$if defined(cpu64)}
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PA_FileName := ordir + 'lib/FreeBSD/64bit/libportaudio-64.so';
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SF_FileName := ordir + 'lib/FreeBSD/64bit/libsndfile-64.so';
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MP_FileName := ordir + 'lib/FreeBSD/64bit/libmpg123-64.so';
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{$else}
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PA_FileName := ordir + 'lib/FreeBSD/32bit/libportaudio-32.so';
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SF_FileName := ordir + 'lib/FreeBSD/32bit/libsndfile-32.so';
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MP_FileName := ordir + 'lib/FreeBSD/32bit/libmpg123-32.so';
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{$endif}
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SoundFilename := ordir + 'sound/test.ogg';
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{$ENDIF}
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{$IFDEF Darwin}
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opath := ordir;
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opath := copy(opath, 1, Pos('/UOS', opath) - 1);
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PA_FileName := opath + '/lib/Mac/32bit/LibPortaudio-32.dylib';
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SF_FileName := opath + '/lib/Mac/32bit/LibSndFile-32.dylib';
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MP_FileName := ordir + 'lib/Mac/32bit/LibMpg123-32.dylib';
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SoundFilename := opath + '/sound/test.ogg';
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{$ENDIF}
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{$if defined(CPUAMD64) and defined(linux) }
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// For Linux amd64, check libsndfile.so
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if (SF_FileName <> 'system') and (SF_FileName <> '') then
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if uos_TestLoadLibrary(PChar(SF_FileName)) = false then
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SF_FileName := SF_FileName + '.2';
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{$endif}
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FileNameEdit1.FileName := SoundFilename;
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res := uos_LoadLib(PChar(PA_FileName), PChar(SF_FileName), PChar(MP_FileName), nil, nil, nil, nil);
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if Res <> 0 then
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begin
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label1.Caption := 'UOS library in Error';
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Button1.Enabled := False;
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end
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else
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Button1.Enabled := True;
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Equalizer_Bands[1].lo_freq := 18;
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Equalizer_Bands[1].hi_freq := 46;
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Equalizer_Bands[1].Text := '31.25';
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Equalizer_Bands[2].lo_freq := 47;
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Equalizer_Bands[2].hi_freq := 94;
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Equalizer_Bands[2].Text := '62.5';
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Equalizer_Bands[3].lo_freq := 95;
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Equalizer_Bands[3].hi_freq := 188;
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Equalizer_Bands[3].Text := '125';
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Equalizer_Bands[4].lo_freq := 189;
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Equalizer_Bands[4].hi_freq := 375;
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Equalizer_Bands[4].Text := '250';
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Equalizer_Bands[5].lo_freq := 376;
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Equalizer_Bands[5].hi_freq := 750;
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Equalizer_Bands[5].Text := '500';
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Equalizer_Bands[6].lo_freq := 751;
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Equalizer_Bands[6].hi_freq := 1500;
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Equalizer_Bands[6].Text := '1K';
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Equalizer_Bands[7].lo_freq := 1501;
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Equalizer_Bands[7].hi_freq := 3000;
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Equalizer_Bands[7].Text := '2K';
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Equalizer_Bands[8].lo_freq := 3001;
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Equalizer_Bands[8].hi_freq := 6000;
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Equalizer_Bands[8].Text := '4K';
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Equalizer_Bands[9].lo_freq := 6001;
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Equalizer_Bands[9].hi_freq := 12000;
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Equalizer_Bands[9].Text := '8K';
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Equalizer_Bands[10].lo_freq := 12001;
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Equalizer_Bands[10].hi_freq := 20000;
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Equalizer_Bands[10].Text := '16K';
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while i < 11 do
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begin
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TProgressBar(findcomponent('ProgressBar' + IntToStr(i))).hint :=
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'Freq: ' + Equalizer_Bands[i].Text;
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Inc(i);
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end;
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end;
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end.
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