main.pas

delphi编写的语音聊天代码

unit main;

interface

uses
  Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
  StdCtrls, NMUDP, ExtCtrls;

type
  TForm1 = class(TForm)
    NMUDP1: TNMUDP;
    Edit1: TEdit;
    Label2: TLabel;
    Label3: TLabel;
    Label6: TLabel;
    procedure NMUDP1DataReceived(Sender: TComponent; NumberBytes: Integer;
      FromIP: String; Port: Integer);
    procedure FormCreate(Sender: TObject);
    procedure Edit1Change(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;
const MaxPackets=160;
var
  Form1: TForm1;
  PacketLen,PlayPackets:integer;
  ok:integer=0;
  mPackets:integer=1;
  sPackets:integer=1;
  MBuffer:array[1..160,1..2000] of char; //8 Seconds
implementation

{$R *.DFM}

procedure TForm1.NMUDP1DataReceived(Sender: TComponent;
  NumberBytes: Integer; FromIP: String; Port: Integer);
var
  mdata:array[1..2000] of char;
  k:integer;
begin
 PacketLen:=NumberBytes;
 NMUDP1.ReadBuffer(mdata,NumberBytes);
 for k:=1 to NumberBytes do MBuffer[mPackets mod MaxPackets+1][k]:=mdata[k];
 label2.caption:='Packets:'+inttostr(mPackets);
 inc(mPackets);
 NMUDP1.SendBuffer(mdata,NumberBytes);
end;

procedure TForm1.FormCreate(Sender: TObject);
begin
 NMUDP1.ReportLevel := Status_Basic;
 NMUDP1.LocalPort := 6660;
 NMUDP1.RemotePort := 6661;
 PlayPackets:=0;
end;

procedure TForm1.Edit1Change(Sender: TObject);
begin
 NMUDP1.Remotehost:=edit1.text;
end;

end.