public ProgressUpdateEventArgs(long contentMax, long current, int mode, DownloadReservation downloadReservation)
{
ContentMax = contentMax;
Current = current;
Mode = mode;
DownloadReservation = downloadReservation;
}
private void Run()
{
while (!stopped)
{
waitHandle.WaitOne();
while (true)
{
DownloadReservation res = null;
var a = BeginInvoke(new Action(() => {
lock (SyncRoot)
{
if (listDownloads.Items.Count > 0)
{
res = (DownloadReservation)listDownloads.Items[0];
listDownloads.Items.RemoveAt(0);
}
}
}));
a.AsyncWaitHandle.WaitOne();
if (res != null)
{
var downloader = new Downloader();
downloader.UpdateEvent += Downloader_UpdateEvent;
lastMode = -1;
downloader.StartDownload(res);
// MessageBox.Show(res.Name + "\n\n" + res.VideoURL);
}
else
{
break;
}
}
}
}
public void StartDownload(DownloadReservation download)
{
var source = download.SaveDir;
var youtube = YouTube.Default;
var vid = youtube.GetVideo(download.VideoURL);
var tmp = Path.GetTempFileName();
var name = Path.Combine(source, download.Name);
var uri = vid.Uri;
var buffer = new byte[8192];
var cur = 0L;
var request = (HttpWebRequest)WebRequest.Create(uri);
using (var response = request.GetResponse())
using (var stream = response.GetResponseStream())
using (var fs = File.Open(tmp, FileMode.Create))
{
var total = response.ContentLength;
while (true)
{
var r = stream.Read(buffer, 0, 8192);
if (r == 0)
{
break;
}
cur += r;
fs.Write(buffer, 0, r);
UpdateEvent?.Invoke(this, new ProgressUpdateEventArgs(total, cur, 0, download));
}
}
var inputFile = new MediaFile {
Filename = tmp
};
var outputFile = new MediaFile {
Filename = $"{name}.mp3"
};
var option = new ConversionOptions()
{
AudioSampleRate = AudioSampleRate.Hz44100
};
using (var engine = new Engine())
{
engine.ConversionCompleteEvent += (s, e) =>
{
File.Delete(tmp);
};
engine.ConvertProgressEvent += (s, e) =>
{
var totalTT = e.TotalDuration.TotalMilliseconds;
var curTT = e.TotalDuration.TotalMilliseconds / e.ProcessedDuration.TotalMilliseconds;
UpdateEvent?.Invoke(this, new ProgressUpdateEventArgs((long)totalTT, (long)curTT, 1, download));
};
engine.GetMetadata(inputFile);
UpdateEvent?.Invoke(this, new ProgressUpdateEventArgs(1, 0, 1, download));
engine.Convert(inputFile, outputFile, option);
UpdateEvent?.Invoke(this, new ProgressUpdateEventArgs(1, 1, 1, download));
}
UpdateEvent?.Invoke(this, new ProgressUpdateEventArgs(1, 1, 2, download));
}
