public override async Task InitializeAsync()
{
var fi = new FileInfo(_filePath);
if (!fi.Exists)
{
_filePath = Path.Combine(Domain.DefaultPath, "blank.wav");
}
_reader = new MyAudioFileReader(_filePath)
{
Volume = 1f * PlayerConfig.Current.Volume.Music * PlayerConfig.Current.Volume.Main
};
_device = new WasapiOut(NAudio.CoreAudioApi.AudioClientShareMode.Shared, Latency);
_device.PlaybackStopped += (sender, args) =>
{
PlayerStatus = PlayerStatus.Finished;
RaisePlayerFinishedEvent(this, new EventArgs());
};
_device.Init(_reader);
PlayerConfig.Current.Volume.PropertyChanged += Volume_PropertyChanged;
Task.Factory.StartNew(UpdateProgress, TaskCreationOptions.LongRunning);
PlayerStatus = PlayerStatus.Ready;
RaisePlayerLoadedEvent(this, new EventArgs());
await Task.CompletedTask;
}
public void AnalyzeSong(string fileDirectory)
{
visualFacade.SetProgress("Loading Song...", 0.0f);
SongFile songFile = MyAudioFileReader.ReadAudioFile(fileDirectory);
visualFacade.SetSongFile(songFile);
List <SongPropertyValues> songPropertyValuesList = new List <SongPropertyValues>();
visualFacade.SetProgress("Analyze...", 0.1f);
AudioAnalyzer audioAnalyzer = new AudioAnalyzer();
audioAnalyzer.LoadAudioFromFile(fileDirectory);
audioAnalyzer.Analyze();
songPropertyValuesList.Add(GetSingleBeatsSPV(audioAnalyzer.SongElements));
songPropertyValuesList.Add(GetHeldNoteSPV(audioAnalyzer.SongElements));
visualFacade.PlotSongPropertyValues(songPropertyValuesList);
visualFacade.SetProgress("done :)", 1);
}
public MusicPlayer(string filePath)
{
FileInfo fi = new FileInfo(filePath);
if (!fi.Exists)
{
//throw new FileNotFoundException("找不到音乐文件…", fi.FullName);
filePath = Path.Combine(Domain.DefaultPath, "blank.wav");
}
_reader = new MyAudioFileReader(filePath);
//if (UseSoundTouch)
_device = new WasapiOut(NAudio.CoreAudioApi.AudioClientShareMode.Shared, Latency);
//else
// _device = new WaveOutEvent { DesiredLatency = App.Config.Play.DesiredLatency };
//_device = new WaveOutEvent { DesiredLatency = 70 };
_device.PlaybackStopped += (sender, args) => { PlayerStatus = PlayerStatus.Finished; };
if (UseSoundTouch)
{
// init provider
_blockAlignReductionStream = new BlockAlignReductionStream(_reader);
_waveChannel = new WaveChannel32(_blockAlignReductionStream);
_provider = new CusBufferedWaveProvider(_waveChannel.WaveFormat);
InitSoundTouch();
_device.Init(_provider);
SetPlayMod(App.Config.Play.PlayMod);
_playThread = new Thread(ProcessWave)
{
Name = "PlayThread"
};
_playThread.Start();
}
else
{
_device.Init(_reader);
}
PlayerStatus = PlayerStatus.Ready;
Task.Run(() =>
{
while (!_cts.IsCancellationRequested)
{
if (PlayerStatus != PlayerStatus.NotInitialized && _reader != null)
{
_reader.Volume = 1f * App.Config.Volume.Music * App.Config.Volume.Main;
PlayTime = (int)_reader?.CurrentTime.TotalMilliseconds;
if (PlayTime >= (int)_reader?.TotalTime.TotalMilliseconds)
{
PlayerStatus = PlayerStatus.Finished;
}
}
Thread.Sleep(10);
}
});
}
public void Dispose()
{
_cts.Cancel();
_playThread?.Abort();
_soundTouch?.Dispose();
_blockAlignReductionStream?.Dispose();
_device?.Dispose();
_device = null;
_reader?.Dispose();
_reader = null;
_cts?.Dispose();
}
public CachedSound(string audioFileName)
{
var newFileName = CachePath;
if (!File.Exists(audioFileName))
{
foreach (var ext in _supportExtensions)
{
var autoAudioFile = audioFileName + ext;
if (!File.Exists(autoAudioFile))
{
continue;
}
audioFileName = autoAudioFile;
break;
}
}
try
{
int outRate = 44100;
int channels = 2;
var outFormat = new WaveFormat(outRate, channels);
using (var audioFileReader = new MyAudioFileReader(audioFileName))
using (var resampler = new MediaFoundationResampler(audioFileReader, outFormat))
using (var stream = new FileStream(newFileName, FileMode.Create))
{
resampler.ResamplerQuality = 60;
WaveFileWriter.WriteWavFileToStream(stream, resampler);
}
}
catch (Exception e)
{
Console.WriteLine(audioFileName);
throw;
}
using (var audioFileReader = new AudioFileReader(newFileName))
{
WaveFormat = audioFileReader.WaveFormat;
var wholeFile = new List <float>((int)(audioFileReader.Length / 4));
var readBuffer = new float[audioFileReader.WaveFormat.SampleRate * audioFileReader.WaveFormat.Channels];
int samplesRead;
while ((samplesRead = audioFileReader.Read(readBuffer, 0, readBuffer.Length)) > 0)
{
wholeFile.AddRange(readBuffer.Take(samplesRead));
}
AudioData = wholeFile.ToArray();
}
}
public override void Dispose()
{
base.Dispose();
_cts.Cancel();
_device?.Dispose();
_device = null;
_reader?.Dispose();
_reader = null;
_cts?.Dispose();
PlayerConfig.Current.Volume.PropertyChanged -= Volume_PropertyChanged;
}
public override void Dispose()
{
base.Dispose();
_cts.Cancel();
_device?.Dispose();
_device = null;
_reader?.Dispose();
_reader = null;
_cts?.Dispose();
AppSettings.Default.Volume.PropertyChanged -= Volume_PropertyChanged;
}
public override async Task InitializeAsync()
{
FileInfo fi = new FileInfo(_filePath);
if (!fi.Exists)
{
//throw new FileNotFoundException("找不到音乐文件…", fi.FullName);
_filePath = Path.Combine(Domain.DefaultPath, "blank.wav");
}
_reader = new MyAudioFileReader(_filePath);
//if (UseSoundTouch)
_device = new WasapiOut(NAudio.CoreAudioApi.AudioClientShareMode.Shared, Latency);
//else
// _device = new WaveOutEvent { DesiredLatency = App.Config.Play.DesiredLatency };
//_device = new WaveOutEvent { DesiredLatency = 70 };
_device.PlaybackStopped += (sender, args) =>
{
PlayerStatus = PlayerStatus.Finished;
RaisePlayerFinishedEvent(this, new EventArgs());
};
if (UseSoundTouch)
{
// init provider
_blockAlignReductionStream = new BlockAlignReductionStream(_reader);
_waveChannel = new WaveChannel32(_blockAlignReductionStream);
_provider = new CusBufferedWaveProvider(_waveChannel.WaveFormat);
InitSoundTouch();
_device.Init(_provider);
SetPlayMod(PlayerConfig.Current.Play.PlayMod);
_playThread = new Thread(ProcessWave)
{
Name = "PlayThread"
};
_playThread.Start();
}
else
{
_device.Init(_reader);
}
PlayerConfig.Current.Volume.PropertyChanged += Volume_PropertyChanged;
Task.Factory.StartNew(UpdateProgress, TaskCreationOptions.LongRunning);
PlayerStatus = PlayerStatus.Ready;
RaisePlayerLoadedEvent(this, new EventArgs());
}
