public void ChangeEffects()
{
if (waveOutDevice != null)
{
Stop();
waveOutDevice.Dispose();
waveOutDevice = null;
}
waveOutDevice = new WaveOut()
{
DesiredLatency = 100
};
if (inputStream == null)
{
throw new NullReferenceException("InputStream is null,, can't apply effects.");
}
effectStream = new EffectStream(inputStream);
if (Effects.Count % inputStream.WaveFormat.Channels != 0)
{
throw new FormatException("Effect and track channels don't match");
}
for (int i = 0; i < this.Effects.Count; i++)
{
effectStream.Effects.Add(this.Effects[i]);
Console.Write(this.Effects[i].ToString() + "\n");
}
outputStream = new WaveChannel32(effectStream);
waveFormStream = new WaveChannel32(effectStream);
outputStream.Sample += outputStream_Sample;
waveOutDevice.Init(outputStream);
ChannelLength = outputStream.TotalTime.TotalSeconds;
GenerateWaveformData(waveFormStream);
CanPlay = true;
}
public void OpenFile(string path)
{
Stop();
if (ActiveStream != null)
{
SelectionBegin = TimeSpan.Zero;
SelectionEnd = TimeSpan.Zero;
ChannelPosition = 0;
}
StopAndCloseStream();
if (System.IO.File.Exists(path))
{
try
{
waveOutDevice = new WaveOut()
{
DesiredLatency = 100
};
var extension = Path.GetExtension(path);
if (extension == ".mp3")
{
ActiveStream = new Mp3FileReader(path);
}
else if (extension == ".wav")
{
ActiveStream = new WaveFileReader(path);
}
else
{
throw new ArgumentException("Wrong file extension.");
}
inputStream = new WaveChannel32(ActiveStream);
effectStream = new EffectStream(inputStream);
outputStream = new WaveChannel32(effectStream);
waveFormStream = new WaveChannel32(effectStream);
sampleAggregator = new SampleAggregator(fftDataSize);
outputStream.Sample += outputStream_Sample;
waveOutDevice.Init(outputStream);
ChannelLength = outputStream.TotalTime.TotalSeconds;
FileTag = TagLib.File.Create(path);
GenerateWaveformData(waveFormStream);
CanPlay = true;
}
catch
{
ActiveStream = null;
CanPlay = false;
}
}
}