private void BtnOpen_Click(object sender, RoutedEventArgs e)
{
OpenFileDialog openFileDialog = new OpenFileDialog()
{
RestoreDirectory = true,
Multiselect = false,
Filter = "WAV Files (*.wav)|*.wav|All Files (*.*)|*.*",
Title = "Open Song File"
};
bool?result = openFileDialog.ShowDialog(this);
if (result == true)
{
string fileName = openFileDialog.FileName;
LblFileName.Content = fileName;
AudioEngineCSharp.AudioEngine.Audio audio = AudioEngineCSharp.AudioEngine.Load(fileName, false, false);
unsafe
{
var testResult = _analyzer.TestData(audio.RawData, audio.DataSize);
LsbPercents.ItemsSource = testResult.Select((pair) => string.Format("{0} - {1}%", pair.Key, pair.Value * 100));
}
audio.Dispose();
}
}
public Song(string file, float offset, float bpm)
{
_audio = AudioEngineCSharp.AudioEngine.LoadPreset(file);
Offset = offset;
BeatPerMinute = bpm;
BeatPerSecond = BeatPerMinute / 60.0f;
SecondPerBeat = 1.0f / BeatPerSecond;
}
public Dictionary <string, double>[] TestFile(string fileLocation, string fileName, string extension = ".wav")
{
string file = Path.Combine(fileLocation, fileName + extension);
AudioEngineCSharp.AudioEngine.Audio a = AudioEngineCSharp.AudioEngine.Load(file, false, false);
var context = _contextAnalyzer.TestData(a.Data);
// var theme = _themeAnalyzer.TestData(a.Data);
a.Dispose();
return(new[] { context });
}
static void Main(string[] args)
{
string file = @"C:\Users\wsheng\Documents\Neumont\Q9\capstone\repo\unity\project\Assets\Audio\VN1.7.wav";
AudioEngineCSharp.AudioEngine.Initialize();
AudioEngineCSharp.AudioEngine.Audio audio = AudioEngineCSharp.AudioEngine.LoadPreset(file);
// ulong time = AudioEngineCSharp.AudioEngine.SecondsToBytes(audio, 1);
AudioEngineCSharp.AudioEngine.Play(audio, 0, 1000);
string command;
ulong lastPos = 0;
do
{
command = Console.ReadLine();
command = command.ToLower();
switch (command)
{
case "stop":
lastPos = audio.Pos + 1000;
AudioEngineCSharp.AudioEngine.Stop(audio, 1000);
break;
case "play":
AudioEngineCSharp.AudioEngine.Play(audio, lastPos, 1000);
break;
}
} while (!command.Equals("exit"));
AudioEngineCSharp.AudioEngine.Stop(audio, 0);
Console.ReadKey();
audio.Dispose();
// AudioEngineCSharp.AudioEngine.Unload(audio._audio);
// AudioEngineCSharp.AudioEngine.Unload(audio);
AudioEngineCSharp.AudioEngine.Shutdown();
}
public void PassFiles(int iterations = 1, string extension = ".wav")
{
for (int i = 0; i < iterations; i++)
{
foreach (SongData data in _data)
{
string file = Path.Combine(_fileLocation, data.Source, data.Name + extension);
// Console.WriteLine("Trying to load file...{0}", file);
AudioEngineCSharp.AudioEngine.Audio a = AudioEngineCSharp.AudioEngine.Load(file, false, false);
// load up the file
// _contextAnalyzer.AddData(a.Data, data.Context);
// _themeAnalyzer.AddData(a.Data, data.Theme);
a.Dispose();
}
}
// _contextAnalyzer.TrainData();
// _themeAnalyzer.TrainData();
}
private void Worker_Work(object sender, DoWorkEventArgs e)
{
BackgroundWorker bw = sender as BackgroundWorker;
MusicArg args = (MusicArg)e.Argument;
Random r = new Random();
if (args.Epoch <= 0)
{
double error = double.PositiveInfinity;
double previous;
do
{
Shuffle(args.SongData, r);
previous = error;
error = 0;
for (int j = 0; j < args.SongData.Count; j++)
{
SongData song = args.SongData[j];
string songFile = System.IO.Path.Combine(args.FilePath, song.Source, song.Name + ".wav");
//// Console.WriteLine("Trying to load file...{0}", file);
AudioEngineCSharp.AudioEngine.Audio audio = AudioEngineCSharp.AudioEngine.Load(songFile, false, false);
//// load up the file
unsafe
{
// error += args.Analyzer.AddData(audio.RawData, audio.DataSize, args.IsContext ? song.Context : song.Theme, true);
}
//// _themeAnalyzer.AddData(a.Data, data.Theme);
audio.Dispose();
// float percent = ((float)(i * args.SongData.Count + (j + 1))) / totalNum;
// int progress = (int)(Math.Round(percent * 100));
Debug.WriteLine(string.Format("Finished ({0}) {1}", song.Source, song.Name));
// bw.ReportProgress(progress);
}
Debug.WriteLine(string.Format("Error: {0}, Previous: {1}", error, previous));
// } while (Math.Abs(previous - error) >= 1e-10 * previous);
} while (Math.Abs(previous - error) >= 1e-4);
}
else
{
int totalNum = args.SongData.Count * args.Epoch;
// prepreprocess
for (int i = 0; i < args.SongData.Count; i++)
{
SongData song = args.SongData[i];
string songFile = System.IO.Path.Combine(args.FilePath, song.Source, song.Name + ".wav");
AudioEngineCSharp.AudioEngine.Audio audio = AudioEngineCSharp.AudioEngine.Load(songFile, false, false);
unsafe
{
args.Analyzer.PreprocessAddData(audio.RawData, audio.DataSize);
}
audio.Dispose();
}
args.Analyzer.PreDeviation();
for (int i = 0; i < args.SongData.Count; i++)
{
SongData song = args.SongData[i];
string songFile = System.IO.Path.Combine(args.FilePath, song.Source, song.Name + ".wav");
AudioEngineCSharp.AudioEngine.Audio audio = AudioEngineCSharp.AudioEngine.Load(songFile, false, false);
unsafe
{
args.Analyzer.ProcessDeviation(audio.RawData, audio.DataSize);
}
audio.Dispose();
}
args.Analyzer.PreProcessData();
for (int i = 0; i < args.Epoch; i++)
{
Shuffle(args.SongData, r);
for (int j = 0; j < args.SongData.Count; j++)
{
SongData song = args.SongData[j];
string songFile = System.IO.Path.Combine(args.FilePath, song.Source, song.Name + ".wav");
//// Console.WriteLine("Trying to load file...{0}", file);
AudioEngineCSharp.AudioEngine.Audio audio = AudioEngineCSharp.AudioEngine.Load(songFile, false, false);
//// load up the file
unsafe
{
args.Analyzer.ProcessData(audio.RawData, audio.DataSize, args.IsContext ? song.Context : song.Theme);
}
//// _themeAnalyzer.AddData(a.Data, data.Theme);
audio.Dispose();
float percent = ((float)(i * args.SongData.Count + (j + 1))) / totalNum;
int progress = (int)(Math.Round(percent * 100));
Debug.WriteLine(string.Format("Percent: {0}, Finished ({1}) {2}", percent, song.Source, song.Name));
bw.ReportProgress(progress);
}
}
}
}
