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EQPrUnit.pas
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EQPrUnit.pas
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unit EQPrUnit;
interface
uses
Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
StdCtrls, IO, Winamp;
type
TEQPrForm = class(TForm)
PresetsBox: TListBox;
LoadPrBtn: TButton;
CancelPrBtn: TButton;
RefreshPrBtn: TButton;
Label1: TLabel;
procedure LoadPresets;
procedure FormCreate(Sender: TObject);
procedure RefreshPrBtnClick(Sender: TObject);
procedure LoadPrBtnClick(Sender: TObject);
procedure LoadPr;
procedure PresetsBoxKeyDown(Sender: TObject; var Key: Word;
Shift: TShiftState);
procedure PresetsBoxClick(Sender: TObject);
procedure FormClose(Sender: TObject; var Action: TCloseAction);
procedure CancelPrBtnClick(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end;
type pEQData = ^tEQData;
tEQData = record
eqp : TGPFWinAmpInputPluginEQData;
eqa : integer;
eqs : string;
end;
const MaxEQPr = 1000;
var EQPrForm : TEQPrForm;
nEQPr : integer = 0;
EQPresets : array[1..MaxEQPr] of tEQData;
OldPreAmp : integer;
OldEQData : TGPFWinAmpInputPluginEQData;
implementation uses main,EQUnit;
{$R *.DFM}
procedure TEQPrForm.LoadPresets;
var f : file;
s : string;
hdr : array[0..30] of char;
eqd : array[0..267] of byte;
i,ior : integer;
begin
PresetsBox.Items.BeginUpdate;
PresetsBox.Items.Clear;
s := BasePath + 'mp3nav.q1';
for i := 1 to nEQPr do with EQPresets[i] do
begin
fillchar(eqp,sizeof(eqp),0);
eqa := 0;
eqs := '';
end;
nEQPr := 0;
{$I-}
if FileExists(s) then
begin
assignfile(f,s); reset(f,1);
blockread(f,hdr,sizeof(hdr));
ior := IOResult;
if not FatalIOError(ior) then
begin
while not eof(f) do
begin
blockread(f,eqd,sizeof(eqd));
i := 0; s := '';
while (i < 267 - 11) do
begin
if eqd[i] = 0 then break else s := s + char(eqd[i]);
inc(i);
end;
s := trim(s);
if s <> '' then
begin
PresetsBox.Items.Add(s);
inc(nEQPr);
with EQPresets[nEQPr] do
begin
for i := 0 to 9 do eqp[i] := eqd[257 + i];
eqa := eqd[267];
eqs := s;
end;
end;
ior := IOResult;
if FatalIOError(IOR) then
begin
{ syserrormessage(ior);{}
break;
end;
end;
end else
begin
{ syserrormessage(ior);{}
end;
closefile(f);
end;
{$I+}
PresetsBox.Items.EndUpdate;
end;
procedure TEQPrForm.FormCreate(Sender: TObject);
begin
OldEQData := EQData;
OldPreAmp := EQPreAmp;
LoadPresets;
end;
procedure TEQPrForm.RefreshPrBtnClick(Sender: TObject);
begin
LoadPresets;
end;
procedure TEQPrForm.LoadPrBtnClick(Sender: TObject);
begin
LoadPr;
Close;
end;
procedure TEQPrForm.LoadPr;
var i : integer;
s : string;
begin
with PresetsBox do
begin
i := ItemIndex;
if i >= 0 then
begin
s := AnsiUpperCase(Items[i]);
if s <> '' then
for i := 1 to nEQPr do with EQPresets[i] do
begin
if s = AnsiUpperCase(eqs) then
begin
EQData := eqp;
EQPreAmp := eqa;
Break;
end;
end;
EQForm.InitEQs;
SetEQ;
end;
end;
end;
procedure TEQPrForm.PresetsBoxKeyDown(Sender: TObject; var Key: Word;
Shift: TShiftState);
begin
LoadPr;
if (Key = VK_RETURN) then
begin
ModalResult := mrOK;
end;
end;
procedure TEQPrForm.PresetsBoxClick(Sender: TObject);
begin
LoadPr;
end;
procedure TEQPrForm.FormClose(Sender: TObject; var Action: TCloseAction);
begin
ShowingEQPr := false;
Action := caFree;
end;
procedure TEQPrForm.CancelPrBtnClick(Sender: TObject);
begin
EQData := OldEQData;
EQPreAmp := OldPreAmp;
EQForm.InitEQs;
SetEQ;
Close;
end;
end.