Ajuda com capturar imagem da webcam

unit Umain;

interface

uses
  Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants,
  System.Classes, Vcl.Graphics,
  Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.ExtCtrls, Vcl.Imaging.pngimage,
  Frame_Video, Vcl.StdCtrls;

type
  TForm5 = class(TForm)
    Frame11: TFrame1;
    Timer1: TTimer;
    Button1: TButton;
    Panel1: TPanel;
    Label1: TLabel;
    Displayfotofinal: TPanel;
    fotofinal: TImage;
    procedure FormCreate(Sender: TObject);
    procedure Button1Click(Sender: TObject);
    procedure Timer1Timer(Sender: TObject);
    procedure fotofinalClick(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
    count: integer;
  end;

var
  Form5: TForm5;

implementation

{$R *.dfm}

procedure TForm5.Button1Click(Sender: TObject);
begin
  count := 0;
  Frame11.numCam := 3;
  Frame11.StartCam;
  Panel1.Visible := true;
  timer1.Enabled:=true;
end;

procedure TForm5.FormCreate(Sender: TObject);
begin
  Frame11.InitFrame;
end;

procedure TForm5.fotofinalClick(Sender: TObject);
begin
  Displayfotofinal.Visible := false;
end;

function CountFiles(FilePath: string): integer;
var
  SearchRec: TSearchRec;
  fileCount: integer;
begin
  fileCount := 0;
  if FilePath[Length(FilePath)] <> ''\\\\\\\\'' then
    FilePath := FilePath + ''\\\\\\\\'';
  if FindFirst(FilePath + ''*.png'', faAnyFile and not faDirectory, SearchRec) = 0
  then
  begin
    Inc(fileCount);
    while FindNext(SearchRec) = 0 do
    begin
      Inc(fileCount);
    end;
  end;
  FindClose(SearchRec);
  result := fileCount;
end;

procedure TForm5.Timer1Timer(Sender: TObject);
var
  pastaAplicacao: string;
  NumeroArquivos: integer;
  nomeArquivo: string;
begin
  Inc(count);
  Label1.Caption := inttostr(10 - count);
  if count = 10 then
  begin
    Panel1.Visible := false;
    pastaAplicacao := ExtractFilePath(Application.ExeName);
    NumeroArquivos := CountFiles(pastaAplicacao);
    nomeArquivo := pastaAplicacao + ''\\\\\\\\teste'' + formatfloat(''00000'',
      NumeroArquivos) + ''.png'';
    Frame11.tpng.SaveToFile(nomeArquivo);
    Timer1.Enabled := false;
    Displayfotofinal.Visible := true;
    fotofinal.Picture.LoadFromFile(nomeArquivo);
    Frame11.Stop;
  end;
end;

end.