/// <summary>
/// A class for downloading audio files so that we can play them with the <see cref="AudioService"/>
/// </summary>
/// <param name="message">The 'base' message that we will modify over time to tell the user what we are up to</param>
/// <param name="guild">The guild that the command was executed in</param>
/// <param name="maxVideoTime">The max video length we will download</param>
/// <param name="downloadLocation">The place to download to</param>
/// <param name="audioFileContainer">The audio files container</param>
public MusicDownloader(IUserMessage message, SocketGuild guild, TimeSpan maxVideoTime,
string downloadLocation = "Music/", MusicFileFormat audioFileContainer = MusicFileFormat.Mp3)
{
//Setup our cancellation token
cancellationSource = new CancellationTokenSource();
downloadCancellationToken = cancellationSource.Token;
this.message = message;
this.guild = guild;
maxAudioTime = maxVideoTime;
this.downloadLocation = downloadLocation;
downloadFileContainer = audioFileContainer;
}
/// <summary>
/// Searches music folder for similar or same results to <see cref="search"/>
/// </summary>
/// <param name="search">The name of the song to search for</param>
/// <param name="fileFormat"></param>
/// <returns>Returns the first found similar or matching result</returns>
public static string SearchMusicDirectory(string search, MusicFileFormat fileFormat)
{
if (!Directory.Exists(MusicDir))
{
Directory.CreateDirectory(MusicDir);
}
DirectoryInfo hdDirectoryInWhichToSearch = new DirectoryInfo(MusicDir);
FileInfo[] filesInDir = hdDirectoryInWhichToSearch.GetFiles($"*{search}*.{fileFormat.GetFormatExtension()}");
return(filesInDir.Select(foundFile => foundFile.FullName).FirstOrDefault());
}
private readonly IYouTubeSearcher youTubeSearcher; //Default: YouTubeService
public StandardMusicDownloader(string musicDir, MusicFileFormat musicFileFormat, HttpClient httpClient, CancellationTokenSource cancelSource)
{
if (!Directory.Exists(musicDir))
{
Directory.CreateDirectory(musicDir);
}
musicDirectory = musicDir;
fileFormat = musicFileFormat;
cancellationTokenSource = cancelSource;
audioConverter = new FfmpegAudioConverter(cancelSource.Token);
musicDownloader = new YouTubeExplodeDownloader(musicDir, httpClient, cancelSource.Token);
youTubeSearcher = new YouTubeService(httpClient);
}
public async Task <string> ConvertFileToAudio(string originalLocation, string location, bool deleteOriginal = true,
MusicFileFormat musicFileFormat = MusicFileFormat.Mp3)
{
try
{
string fullNewLocation = $"{location}{Path.GetFileName(originalLocation).Replace(Path.GetExtension(originalLocation), "")}.{musicFileFormat.GetFormatExtension()}";
Logger.Log($"Converting '{originalLocation}' to '{fullNewLocation}'...", LogVerbosity.Debug);
//Start our ffmpeg process
Process ffmpeg = new Process
{
StartInfo = new ProcessStartInfo
{
FileName = Config.bot.AudioSettings.FfmpegLocation,
Arguments = $"-i \"{originalLocation}\" -ar 48000 -y \"{fullNewLocation}\""
}
};
ffmpeg.Start();
while (!ffmpeg.HasExited)
{
if (cancellationToken.IsCancellationRequested)
{
ffmpeg.Kill(true);
ffmpeg.Dispose();
return(null);
}
await Task.Delay(50);
}
ffmpeg.Dispose();
//Delete our old file
if (deleteOriginal)
{
//if (File.Exists(originalLocation))
//File.Delete(originalLocation);
//else //Were the f**k is our fileToConvert then?? This should never happen but it is here anyway
//return null;
}
//So obviously there was an issue converting...
if (!File.Exists(fullNewLocation))
{
Logger.Log("There was an issue converting the file!", LogVerbosity.Debug);
return(null);
}
//Ayy, we converted
Logger.Log($"Successfully converted to '{fullNewLocation}'.", LogVerbosity.Debug);
return(fullNewLocation);
}
catch (NullReferenceException ex)
{
#if DEBUG
Logger.Log($"Null reference exception while trying to convert a song! FFMPEG path could be set incorrectly!\n{ex}", LogVerbosity.Error);
#else
Logger.Log($"Null refrence exception while trying to convert a song! FFMPEG path could be set incorrectly!\n{ex.Message}", LogVerbosity.Error);
#endif
return(null);
}
catch (Exception ex)
{
#if DEBUG
Logger.Log(ex.ToString(), LogVerbosity.Error);
#else
Logger.Log(ex.Message, LogVerbosity.Error);
#endif
return(null);
}
}
public static string GetFormatExtension(this MusicFileFormat fileFormat)
{
string fileFormatInString = fileFormat.ToString();
return(fileFormatInString.ToLowerInvariant());
}
public async Task <string> ConvertFileToAudio(string originalLocation, string location,
bool deleteOriginal = true,
MusicFileFormat musicFileFormat = MusicFileFormat.Mp3)
{
try
{
string fullNewLocation =
$"{location}{Path.GetFileName(originalLocation).Replace(Path.GetExtension(originalLocation), "")}.{musicFileFormat.GetFormatExtension()}";
Logger.Debug("Converting {@OriginalLocation} to {@FullNewLocation}...", originalLocation, fullNewLocation);
//Start our ffmpeg process
Process ffmpeg = new Process
{
StartInfo = new ProcessStartInfo
{
FileName = $"{Config.bot.AudioSettings.ExternalDirectory}ffmpeg",
Arguments =
$"-loglevel fatal -nostdin -i \"{originalLocation}\" -ar 48000 -y \"{fullNewLocation}\"",
CreateNoWindow = true,
UseShellExecute = false,
RedirectStandardOutput = false
}
};
ffmpeg.Start();
while (!ffmpeg.HasExited)
{
if (cancellationToken.IsCancellationRequested)
{
ffmpeg.Kill(true);
ffmpeg.Dispose();
return(null);
}
await Task.Delay(50);
}
ffmpeg.Dispose();
//Delete our old file
if (deleteOriginal)
{
if (File.Exists(originalLocation))
{
File.Delete(originalLocation);
}
else //Were the f**k is our fileToConvert then?? This should never happen but it is here anyway
{
return(null);
}
}
//So obviously there was an issue converting...
if (!File.Exists(fullNewLocation))
{
Logger.Debug("There was an issue converting the file!");
return(null);
}
//Ayy, we converted
Logger.Debug($"Successfully converted to '{fullNewLocation}'.");
return(fullNewLocation);
}
catch (NullReferenceException ex)
{
Logger.Error(
"Null reference exception while trying to convert a song! FFMPEG path could be set incorrectly! {@Exception}", ex);
return(null);
}
catch (Exception ex)
{
Logger.Error("An error occured while trying to convert a video! {@Exception}", ex);
return(null);
}
}
