/// <summary>
/// Initializes a new instance of the <see cref="SoundInSource"/> class.
/// </summary>
/// <param name="soundIn">The soundIn which provides recorded data.</param>
/// <param name="bufferSize">Size of the internal buffer in bytes.</param>
/// <remarks>
/// Note that soundIn has to be already initialized.
/// Note that old data ("old" gets specified by the bufferSize) gets overridden.
/// For example, if the bufferSize is about 5 seconds big, data which got recorded 6 seconds ago, won't be available anymore.
/// </remarks>
public SoundInSource(ISoundIn soundIn, int bufferSize)
{
if (soundIn == null)
throw new ArgumentNullException("soundIn");
ThrowIfSoundInNotInitialized(soundIn);
_buffer = new WriteableBufferingSource(soundIn.WaveFormat, bufferSize) {FillWithZeros = false};
_soundIn = soundIn;
_soundIn.DataAvailable += OnDataAvailable;
}
/// <summary>
/// Creates an new instance of SoundInSource with a default bufferSize of 5 seconds.
/// </summary>
/// <param name="soundIn">The soundIn which provides recorded data.</param>
/// <param name="bufferSize">Size of the buffer in bytes.</param>
/// <remarks>
/// Note that soundIn has to be already initialized.
/// Note that old data ("old" gets specified by the bufferSize) gets overridden.
/// For example, if the bufferSize is about 5 seconds big, data which got recorded 6 seconds ago, won't be available anymore.
/// </remarks>
public SoundInSource(ISoundIn soundIn, int bufferSize)
{
if (soundIn == null)
throw new ArgumentNullException("soundIn");
//bufferSize gets validated by WriteableBufferingSource
_buffer = new WriteableBufferingSource(soundIn.WaveFormat, bufferSize);
_buffer.FillWithZeros = false;
_soundIn = soundIn;
_soundIn.DataAvailable += OnDataAvailable;
}
protected virtual void Dispose(bool disposing)
{
if (!_disposed)
{
if (SoundIn != null)
{
SoundIn.DataAvailable -= OnDataAvailable;
_soundIn = null;
}
if (_buffer != null)
{
_buffer.Dispose();
_buffer = null;
}
}
_disposed = true;
}
private void _session_MusicDeliver(object sender, MusicDeliveryEventArgs e)
{
int consumed = 0;
lock (_lockObject)
{
if (_provider == null)
{
_provider = new WriteableBufferingSource(new WaveFormat(e.Rate, 16, e.Channels, AudioEncoding.Pcm), (e.Rate * 2))
{
FillWithZeros = false
};
_waveOut.Stop();
_waveOut.Initialize(_provider);
_waveOut.Volume = _volume;
}
List<bool> results = MusicPlayer.Current.Plugins.Select(plugin => plugin.MusicDeliver(new PluginMusicDeliveryArgs(e, _provider))).ToList();
_continuePlay = results.Count == 0 || results.All(result => !result);
if (!_continuePlay)
{
_waveOut?.Stop();
}
if (_continuePlay)
{
_waveOut.Play();
}
if ((_provider.MaxBufferSize - _provider.Length) > e.Samples.Length)
{
_provider.Write(e.Samples, 0, e.Samples.Length);
consumed = e.Frames;
}
}
e.ConsumedFrames = consumed;
}
public void PlaySong(ITrack song)
{
_waveOut?.Stop();
Session.PlayerPause();
Session.PlayerUnload();
lock (_lockObject)
{
_provider = null;
}
var errorCode = Session.PlayerLoad(song);
if (!song.WaitUntilLoaded(500) || errorCode != Error.OK)
{
MessageBox.Show("Error: " + errorCode);
return;
}
Session.PlayerPlay();
}
