unitno2.pas

来自「智能监控delphi源码, 操作说明 1. 在两台微机上分别运行文件夹中的可」· PAS 代码 · 共 144 行

unit UnitNo2;

interface

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

type
  TFormNo2 = class(TForm)
    grp1: TGroupBox;
    btnStartGet2: TButton;
    btnStopMoniter2: TButton;
    tmr1: TTimer;
    VideoCap2: TVideoCap;
    tmr2: TTimer;
    Timer2: TTimer;
    Shape2: TShape;
    procedure btnStopMoniter2Click(Sender: TObject);
    procedure btnStartGet2Click(Sender: TObject);
    procedure Timer2Timer(Sender: TObject);
  private
    { Private declarations }
    procedure Flash2;
  public
    { Public declarations }
  end;

var
  FormNo2: TFormNo2;

implementation

uses UnitMain, UnitFormRec;

{$R *.dfm}

procedure TFormNo2.Flash2;
begin
  if FlashN2 = '0' then
  begin
    Shape2.Brush.Color := clRed;
    FlashN2 := '1';
    Exit;
  end;
  if FlashN2 = '1' then
  begin
    Shape2.Brush.Color := clBtnFace;
    FlashN2 := '0';
    Exit;
  end;
end;

procedure TFormNo2.btnStartGet2Click(Sender: TObject);
begin
//处理方式和前面相同；
  SSRec2 := not SSRec2;
  if SSRec2 then
  begin
    rec2 := true; //录像标志为1，表示开始录像；
    //以下程序处理的是一些显示问题；
    btnStartGet2.Caption := '停止录象';
    FormMain.NStartGet2.Enabled := not FormMain.NStartGet2.Enabled; //使主窗体的按钮处于不可操作状态；
    FormMain.NStopGet2.Enabled := not FormMain.NStopGet2.Enabled;
  end
  else
  begin
    rec2 := False; //还原录像标志；
    btnStartGet2.Caption := '开始录象';
    FormMain.NStartGet2.Enabled := True;
    FormMain.NStopGet2.Enabled := False;
  end;
  FormMain.btnStartGet2.Caption := btnStartGet2.Caption; //同步显示；
  //以下是处理avi文件的程序；
  if rec2 then
  begin
    Timer2.Enabled := True;
    nn2 := nn2 + 1; //文件存盘编号自动加1；
    strn2 := IntToStr(nn2); //将文件存盘编号变成字符串；
    AssignFile(f2, '.\Inf\n2.txt'); //在Inf文件夹中创建n1.txt，记录n1值;
    Rewrite(f2);
    Writeln(f2, IntToStr(nn2));
    CloseFile(f2);
    VideoCap2.CapTimeLimit := 0;
    VideoCap2.VideoFileName := FormMain.GetAviDir(2) + '\' + FormMain.FIntToStr(strn2) + '.avi';
    VideoCap2.StartCapture;
    VideoCap2.DlgVCompression;
    FormMain.WriteDB(Date + Time, VideoCap2.VideoFileName, '2#摄像头出现异常情况'); //将有关的信息写入数据库
    FormRec.tmrRefresh.Enabled := True; //每录完一次刷新一下数据库
  end;
  if not rec2 then
  begin
    Timer2.Enabled := False;
    Shape2.Brush.Color := clBtnFace;
    VideoCap2.StopCapture;
  end;
end;

//1#摄像头监控窗体中btnStopMoniter1按下，此时可以控制打开和停止监控；

procedure TFormNo2.btnStopMoniter2Click(Sender: TObject);
begin
  OCMon2 := not OCMon2;
  if not OCMon2 then
  begin
    FormMain.NStartGet2.Enabled := True;
    btnStopMoniter2.Caption := '关闭监控';
    videocap2.DriverIndex := 0; //打开2#摄像头，开始监控；
    VideoCap2.DriverOpen := True;
    VideoCap2.VideoPreview := True;
    VideoCap2.visible := True;
  end
  else
  begin
    Timer2.Enabled := False;
    Shape2.Brush.Color := clBtnFace;
    btnStartGet2.Enabled := False;
    btnStopMoniter2.Caption := '打开监控'; //按钮显示内容的修改
    VideoCap2.DriverOpen := False; //关闭2#摄像头，停止监控
    VideoCap2.VideoPreview := False;
    VideoCap2.visible := False;
    FormMain.NStartGet2.Enabled := False;
    btnStartGet2.Caption := '开始录象';
    SSRec2 := False;
    OCMon2 := False;
    FormMain.btnStartGet2.Enabled := False;
    FormMain.btnStopMoniter2.Enabled := True;
    FormMain.MoniterNo2.Checked := False;
    FormMain.MoniterAll.Checked := True;
    FormMain.btnStartGet2.Caption := '开始录像';
    FormMain.NStartMoniter2.Enabled := True;
    FormMain.Show;
    Close;
  end;
end;


procedure TFormNo2.Timer2Timer(Sender: TObject);
begin
  Flash2;
end;

end.