/// <summary>
/// Get track info from the filename
/// </summary>
/// <param name = "mintracklen">Min track length</param>
/// <param name = "maxtracklen">Max track length</param>
/// <param name = "filename">Filename from which to extract the requested info</param>
/// <param name = "audioService">Audio audioService to read tags</param>
/// <returns>Track to be analyzed further / null if the track is not eligible</returns>
public static Track GetTrackInfo(int mintracklen, int maxtracklen, string filename, BassAudioService audioService)
{
TAG_INFO tags = audioService.GetTagInfoFromFile(filename); //get file tags
string artist, title;
double duration;
if (tags == null)
{
/*The song does not contain any tags*/
artist = "Unknown";
title = "Unknown";
duration = 60;
}
else
{
/*The song contains related tags*/
artist = tags.artist;
title = tags.title;
duration = tags.duration;
}
if (String.IsNullOrEmpty(artist)) /*assign a name to music files that don't have tags*/
artist = "Unknown";
if (String.IsNullOrEmpty(title)) /*assign a title to music files that don't have tags*/
title = "Unknown";
if (duration < mintracklen || duration > maxtracklen) /*check the duration of a music file*/
return null;
Track track = new Track
{
Artist = artist,
Title = title,
TrackLength = duration,
Path = Path.GetFullPath(filename)
};
return track;
}
public void GetTagInfoFromFileTest()
{
string name = MethodBase.GetCurrentMethod().Name;
using (BassAudioService audioService = new BassAudioService())
{
TAG_INFO tags = audioService.GetTagInfoFromFile(Path.GetFullPath(PathToMp3));
Assert.IsNotNull(tags);
Assert.IsNotNull(tags.artist);
Assert.IsNotNull(tags.title);
Assert.IsNotNull(tags.duration);
}
}
private void ProcessFiles()
{
Action finishDel = delegate
{
buttonStop.Enabled = false;
buttonPause.Enabled = false;
buttonStartConversion.Enabled = true;
stopped = false;
};
Process process = new Process
{
StartInfo =
{
FileName = "ffmpeg.exe",
CreateNoWindow = true,
WindowStyle = ProcessWindowStyle.Hidden,
RedirectStandardInput = true,
RedirectStandardError = true,
RedirectStandardOutput = true,
UseShellExecute = false
}
};
Action del = delegate
{
labelCurrentProcessed.Text = currentProceesedFiles.ToString();
labelSkipped.Text = skipped.ToString();
richTextBox1.AppendText(process.StandardError.ReadToEnd() + "\n");
richTextBox1.Focus();
richTextBox1.SelectionStart = richTextBox1.Text.Length;
};
using (BassAudioService audioService = new BassAudioService())
{
foreach (string f in fileList)
{
if (stopped)
{
Invoke(finishDel);
Thread.CurrentThread.Abort();
}
while (pause)
{
if (stopped)
{
Invoke(finishDel);
Thread.CurrentThread.Abort();
}
Thread.Sleep(1000);
}
TAG_INFO tags = null;
try
{
//Read Tags from the file
tags = audioService.GetTagInfoFromFile(f);
}
catch
{
skipped++;
currentProceesedFiles++;
Invoke(del);
continue;
}
//Compose the output name of the wav file
if (String.IsNullOrEmpty(tags.title) || tags.title.Length == 0)
{
//Skip file
skipped++;
currentProceesedFiles++;
Invoke(del);
continue;
}
string artist = "";
if (String.IsNullOrEmpty(tags.artist))
{
if (tags.composer == null)
{
skipped++;
currentProceesedFiles++;
Invoke(del);
continue;
}
artist = tags.composer;
}
else
artist = tags.artist;
string outfilename = tags.title + " + " + artist + ".wav";
string outfile = outputPath + "\\" + outfilename;
string arguments = "-i \"" + f + "\" -ac 1 -ar " + samplingRate + " -ab " +
bitRate + " \"" + outfile + "\"";
process.StartInfo.Arguments = arguments;
process.Start();
process.StandardInput.Write("n");
currentProceesedFiles++;
Invoke(del);
}
}
Invoke(finishDel);
}
