private void ButtonSearchClick(object sender, RoutedEventArgs e)
{
if (string.IsNullOrWhiteSpace(Query))
{
MessageBox.Show("Query cannot be empty");
return;
}
int numberOfResults;
if (!int.TryParse(NumberOfResultsInput, out numberOfResults) || numberOfResults < 1)
{
MessageBox.Show("Number of pages is not a valid number");
}
IEnumerable <YoutubeLink> youtubeLinks = YoutubeSearcher.GetYoutubeLinks(Query, numberOfResults);
if (PlayList == INSTRUCTIONS)
{
PlayList = "";
}
foreach (YoutubeLink link in youtubeLinks)
{
PlayList += link.Label + "\n"; //TODO store urls of songs in cache => quicker to download, no need for lookup on youtube
}
}
public async Task <string> DownloadPlaylistItem(PlaylistItem item)
{
string destinationFilePathWithoutExtension = null;
string tempFilePathWithoutExtension = null;
item.DownloadProgress = 5;
if (!string.IsNullOrWhiteSpace(item.Name))
{
YoutubeLink youtubeLink = YoutubeSearcher.GetYoutubeLinks(item.Name).FirstOrDefault();
item.FileName = MakeValidFileName(youtubeLink.Label);
item.FileName = string.Concat(youtubeLink.Label.Split(Path.GetInvalidFileNameChars())).Trim().Replace('–', '-');
var workingFolder = Path.GetTempPath();
tempFilePathWithoutExtension = Path.Combine(Path.GetTempPath(), item.FileName);
destinationFilePathWithoutExtension = Path.Combine(_runSettings.SongsFolder, item.FileName);
if (!File.Exists(destinationFilePathWithoutExtension + ".mp3"))
{
item.DownloadProgress = 10;
if (youtubeLink == null)
{
item.SetDownloadStatus(false);
}
else
{
// Download videoand extract the mp3 file
await StartProcess(
_runSettings.YoutubeDlPath,
string.Format(" --ffmpeg-location \"{0}\"" +
" --format bestaudio[ext=mp3]/best" +
" --audio-quality 0" +
" --no-part" +
" --extract-audio" +
" --audio-format mp3" +
" --output \"{1}\"" +
" {2}", _runSettings.FfmpegPath, tempFilePathWithoutExtension + "-raw.%(ext)s", youtubeLink.Url),
item,
ParseYoutubeDlProgress);
// -o "c:\Users\Julian\Music\PlaylistDownloader\\%(title)s.%(ext)s"
// Normalize audio file after the youtube-dl process has exited
await StartProcess(_runSettings.FfmpegPath,
string.Format(" -i \"{0}\"" +
" -af loudnorm=I=-16:TP=-1.5:LRA=11" +
//" -ar 48k" +
" -y" +
" \"{1}\"", tempFilePathWithoutExtension + "-raw.mp3", tempFilePathWithoutExtension + _runSettings.NormalizedSuffix + ".mp3"),
item,
ParseYoutubeDlProgress);
// move to destination
File.Move(tempFilePathWithoutExtension + _runSettings.NormalizedSuffix + ".mp3",
destinationFilePathWithoutExtension + _runSettings.NormalizedSuffix + ".mp3");
// Delete the non normalized file after completion if not in debug mode
File.Delete(Path.Combine(_runSettings.SongsFolder, item.FileName + "-raw.mp3"));
}
}
}
item.DownloadProgress = 100;
_progress++;
OnProgressChanged(new ProgressChangedEventArgs(_progress * 100 / _totalSongs, null));
return(destinationFilePathWithoutExtension);
}