private void downloader_DoWork(object sender, DoWorkEventArgs e)
{
YouTube youtube = new YouTube(DWCrypt.base64Decode(IDsQueue[0]));
string CurrentURL = youtube.GetDownloadURL();
string CurrentQuality = DWWeb.GetQuality(IDsQueue[0]);
if (!DWWeb.isQualityHigh(IDsQueue[0], CurrentQuality)) CurrentQuality = IDsQueue[0] + ";720p, 152Kb/s";
int iLastIndex = CurrentURL.LastIndexOf('/');
string sDownloadFileName = DWCrypt.RandomString(16);
string sFilePathToWriteFileTo = "Active/" + sDownloadFileName + ".mp4";
try
{
//Vars
Int64 iSize = Convert.ToInt64(GetSize(IDsQueue[0], "", false));
Int64 iRunningByteTotal = 0;
fStatus = 1;
//Download Video
using (System.Net.WebClient client = new System.Net.WebClient())
{
using (System.IO.Stream streamRemote = client.OpenRead(new Uri(CurrentURL)))
{
using (Stream streamLocal = new FileStream(sFilePathToWriteFileTo, FileMode.Create, FileAccess.Write, FileShare.None))
{
int iByteSize = 0;
byte[] byteBuffer = new byte[8192];
while ((iByteSize = streamRemote.Read(byteBuffer, 0, byteBuffer.Length)) > 0)
{
//Check for cancellation
if ((downloader.CancellationPending == true))
{
fStatus = 4;
e.Cancel = true;
break;
}
//Write Bytes
streamLocal.Write(byteBuffer, 0, iByteSize);
iRunningByteTotal += iByteSize;
//Update Progress
double dIndex = (double)(iRunningByteTotal);
double dTotal = (double)iSize;
double dProgressPercentage = (dIndex / dTotal);
int iProgressPercentage = (int)(dProgressPercentage * 100);
downloader.ReportProgress(iProgressPercentage);
}
streamLocal.Close();
}
streamRemote.Close();
}
}
//Convert Video to Audio
if (fileSize("Active/" + sDownloadFileName + ".mp4") > 20000)
{
if (downloader.CancellationPending)
{
fStatus = 4;
if (File.Exists("Active/" + sDownloadFileName + ".mp4")) File.Delete("Active/" + sDownloadFileName + ".mp4");
if (File.Exists("Downloads/" + sDownloadFileName + ".mp3")) File.Delete("Downloads/" + sDownloadFileName + ".mp3");
}
else
{
ConvertVideo(sDownloadFileName, CurrentQuality, ConvertTypeQueue[0]);
fStatus = 3;
cleanUpFiles(sDownloadFileName, ConvertTypeQueue[0]);
fStatus = 6;
DWWeb.AddToLibrary(Log.ID, IDsQueue[0], safeFilename(fName), ViewsQueue[0], LengthQueue[0]);
}
}
else
{
if (File.Exists("Active/" + sDownloadFileName + ".mp4")) File.Delete("Active/" + sDownloadFileName + ".mp4");
}
}
catch
{
fStatus = 5;
Thread.Sleep(3000);
if (File.Exists("Active/" + sDownloadFileName + ".mp4")) File.Delete("Active/" + sDownloadFileName + ".mp4");
}
}
public string GetSize(string b64url, string suffix, bool stopOnChange)
{
string url = "";
for (int i = 0; i < 25; i++)
{
if (b64url != CurrentVideoB64URL && b64url != CurrentRecentB64URL && b64url != CurrentPlaylistVideoB64URL && stopOnChange) break;
YouTube youtube = new YouTube(DWCrypt.base64Decode(b64url));
url = youtube.TryGetDownloadURL();
if (url != "") break;
}
if (url != "")
{
try
{
Uri u = new Uri(url);
System.Net.HttpWebRequest request = (System.Net.HttpWebRequest)System.Net.WebRequest.Create(u);
request.Timeout = 10000;
System.Net.HttpWebResponse response = (System.Net.HttpWebResponse)request.GetResponse();
response.Close();
long size = response.ContentLength;
if (suffix == "KB") size = (int)(size / (1024));
if (suffix == "MB") size = (int)(size / (1024 * 1024));
if (suffix == "GB") size = (int)(size / (1024 * 1024 * 1024));
return size.ToString() + suffix;
}
catch { }
}
return "Failed";
}
