1. This site uses cookies. By continuing to use this site, you are agreeing to our use of cookies. Learn More.
  2. Donation with Paypal!!!

    Go to your paypal account and send directly donation to [email protected]

    1 month - 10 $ - Standart VIP

    6 months - 20 $- Standart VIP

    1 year - 30 $- Standart VIP

    2 years - 50 $- Standart VIP

    Gold member for life - 150 $- Standart VIP

    High Vip (Standart VIP include) group please send PM or email to [email protected] for info

    After Donation please send email to [email protected]

  3. Donation Ways 2020


    Paysend
  4. Telegram
Dismiss Notice

Donation with Paypal!!!

Go to your paypal account and send directly donation to [email protected]

1 month - 10 $ - Standart VIP

6 months - 20 $- Standart VIP

1 year - 30 $- Standart VIP

2 years - 50 $- Standart VIP

Gold member for life - 150 $- Standart VIP

High Vip (Standart VIP include) group please send PM or email to [email protected] for info

After Donation please send email to [email protected]

Dismiss Notice
For open hidden message no need write thanks, thank etc. Enough is click to like button on right side of thread.

YouTube Video Downloader Delphi Source

Discussion in 'Delphi Components,Freeware, Open Source' started by AdminDF, Apr 19, 2013.

  1. AdminDF
    Offline

    AdminDFAdminDF is a Verified Member Delphifan Staff Member DF Staff

    Code:
    unit uDownload;
     
    interface
     
    uses
      Classes,
      SysUtils,
      IDHttp,
      WinInet,
      Windows;
     
    const
      c_YouTubeHeader = 'http://www.youtube.com/watch?v=';
      c_YouTubeHost = 'http://www.youtube.com/';
     
    procedure TryDownloadYouTubeVideo(UrlPath: string; Dir: string);
     
    implementation
     
    procedure TryDownloadYouTubeVideo(UrlPath: string; Dir: string);
    var
      http: TIdHttp;
      strm: TStringStream;
      FName: string;
      FUrl: string;
     
      function fnc_GetSourcePath: string;
      const
        c_sBeginPath = 'img.src = "http:\/\/';
        c_sMiddlePath = '\/';
        c_dMiddlePath = '/videoplayback?sparams=id%2Cexpire%2Cip%2Cipbits%2Citag%2Csource%2Cratebypass%2C';
        c_sEndPath = '"';
        c_dBeginPath = 'http://tc.';
        c_dEndPath = 'redirect_counter=1';
     
        c_sBreakChar1 = '%2C';
        c_sBreakChar2 = '\u0026';
     
        c_dBreakChar = '&';
     
      var
        tmpstr: string;
        tmpstrlst: TStringList;
        tmpRes: string;
     
        function fnc_IsTrash: Boolean;
        begin
          Result := (Pos(c_sBreakChar1, tmpstr) <> 0) and
                    (Pos(c_sBreakChar2, tmpstr) <> 0) and
                    (Pos(c_sBreakChar1, tmpstr) < Pos(c_sBreakChar2, tmpstr));
        end;
     
      begin
        Result := '';
        tmpstrlst := TStringList.Create;
        try
          tmpstr := strm.DataString;
          Delete(tmpstr, 1, Pos(c_sBeginPath, tmpstr) + Length(c_sBeginPath) - 1);
          Delete(tmpstr, Pos(c_sEndPath, tmpstr), Length(tmpstr));
     
          tmpstrlst.Delimiter := '.';
          tmpstrlst.DelimitedText := Copy(tmpstr, 1, Pos(c_sMiddlePath, tmpstr) - 1);
     
          tmpRes := Concat(c_dBeginPath,
                           tmpstrlst.Strings[3],
                           '.',
                           Copy(tmpstrlst.Strings[4], 3, Length(tmpstrlst.Strings[4])),
                           '.',
                           tmpstrlst.Strings[5],
                           '.',
                           tmpstrlst.Strings[6],
                           '.',
                           tmpstrlst.Strings[7],
                           c_dMiddlePath);
     
          while fnc_IsTrash do
            Delete(tmpstr, 1, Pos(c_sBreakChar1, tmpstr) + Length(c_sBreakChar1) - 1);
     
          tmpstrlst.Delimiter := c_dBreakChar;
          tmpstrlst.Clear;
     
          while Pos(c_sBreakChar2, tmpstr) <> 0 do
          begin
            tmpstrlst.Add(Copy(tmpstr, 1, Pos(c_sBreakChar2, tmpstr) - 1));
            Delete(tmpstr, 1, Pos(c_sBreakChar2, tmpstr) + Length(c_sBreakChar2) - 1);
          end;
     
          tmpstrlst.Add(tmpstr);
          tmpstrlst.Add(c_dEndPath);
     
          tmpRes := Concat(tmpRes,
                           tmpstrlst.DelimitedText);
        finally
          FreeAndNil(tmpstrlst);
        end;
     
        Result := tmpRes;
      end;
     
      function fnc_GetFileName: string;
     
        function fnc_GetDir: string;
        begin
          Result := Dir;
          if Result[Length(Result)] <> '\' then
            Result := Concat(Result, '\');
        end;
     
      const
        c_TitleBegin = '<meta name="title" content="';
        c_TitleEnd = '"';
      var
        tmpstr: string;
      begin
        tmpstr := strm.DataString;
        Delete(tmpstr, 1, Pos(c_TitleBegin, tmpstr) + Length(c_TitleBegin) - 1);
        Delete(tmpstr, Pos(c_TitleEnd, tmpstr), Length(tmpstr));
        tmpstr := UTF8ToUnicodeString(Trim(tmpstr));
        Result := Concat(fnc_GetDir, tmpstr, '.avi');
      end;
     
    begin
      http := TIdHTTP.Create(nil);
      strm := TStringStream.Create;
      try
        http.Request.Host := c_YouTubeHost;
        http.Get(UrlPath, strm);
     
        FName := fnc_GetFileName;
        FUrl := fnc_GetSourcePath;
     
        http.Disconnect;
        strm.Clear;
        http.Get(FUrl, strm);
     
        strm.SaveToFile(FName);
      finally
        FreeAndNil(strm);
        FreeAndNil(http);
      end;
     end;
     
    end.
     
  2. robt
    Online

    robt Guest

    RE:

    spasibo
     

Share This Page