public static async Task <string> AudioFileToMP3(string filePath, bool deleteOriginal = true)
{
if (!File.Exists(filePath))
{
throw new Exception("Couldn't locate file to convert.");
}
//Save file to the same location with changed extension
string outputFilePath = Path.ChangeExtension(filePath, ".mp3");
outputFilePath = MusicTagging.ReplaceInvalidChars(outputFilePath); //replace any invalid chars in filePath with valid
outputFilePath = MusicTagging.UpdateFileNameForDuplicates(outputFilePath); //add "copy" to filename if file exists
//------------ Set library directory --------------
MusicConverting.setFFMPEGPath();
//get info of input file
IMediaInfo mediaInfo = await MediaInfo.Get(filePath);
IStream audioStream = mediaInfo.AudioStreams.FirstOrDefault();
//------------ do the conversion ----------------
await convertAudio(audioStream, outputFilePath);
if (deleteOriginal)
{
File.Delete(filePath); //delete the original file
}
return(outputFilePath);
}
public async Task <string> DownloadAudioMP3(string folderPath, string fileName = "")
{
if (StreamInfoSet == null)
{
var client = new YoutubeClient();
StreamInfoSet = await client.GetVideoMediaStreamInfosAsync(videoID); // Get metadata for all streams in this video
}
if (fileName == "")
{
fileName = this.Video.Title; //set filename to the video title if not specified
}
string filePath = Path.Combine(folderPath, fileName);
// Select one of the streams, e.g. highest quality muxed stream
var streamInfo = this.StreamInfoSet.Audio.WithHighestBitrate();
if (this.StreamInfoSet.Audio.Count == 0) //sometimes the libary can't seem to find the audio
{
throw new Exception("Failed to locate audio in chosen video.");
}
var savePath = await MusicConverting.YoutubeAudioToMP3(streamInfo.Url, streamInfo.AudioEncoding.ToString(), this.Video.Duration, filePath);
return(savePath);
}
public const string FFmpegLibraryPath_Linux = @"/usr/bin"; //linux location
public static async Task <string> YoutubeAudioToMP3(string audioLink, string audioFormat, TimeSpan audioDuration, string filePath)
{
//Save file to the same location with changed extension
string outputFilePath = Path.ChangeExtension(filePath, ".mp3");
outputFilePath = MusicTagging.ReplaceInvalidChars(outputFilePath); //replace any invalid chars in filePath with valid
outputFilePath = MusicTagging.UpdateFileNameForDuplicates(outputFilePath); //add "copy" to filename if file exists
//------------ Set library directory --------------
MusicConverting.setFFMPEGPath();
//----- Get youtube video audio stream -----------------
IStream audioStream = new WebStream(new Uri(audioLink), audioFormat, audioDuration);
//--- do the conversion ----------------
await convertAudio(audioStream, outputFilePath);
return(outputFilePath);
}