/// <summary>
/// Initializes a new instance of the <see cref="Music"/> class.
/// </summary>
public Music()
: base()
{
_reader = null;
_sampleCount = 0;
_duration = TimeSpan.Zero;
}
/// <summary>
/// Initializes a new instance of the <see cref="Music"/> class
/// from specified <see cref="Stream"/> containing sound data.
/// </summary>
/// <param name="stream">A <see cref="Stream"/> contains sound data to load.</param>
public Music(Stream stream)
: this()
{
_reader = Decoders.CreateReader(stream);
if (_reader == null)
{
throw new NotSupportedException("The specified sound is not supported.");
}
_info = _reader.Open(stream);
Initialize(_info.ChannelCount, _info.SampleRate);
}
/// <summary>
/// Initializes a new instance of the <see cref="SoundDecoder"/> class.
/// </summary>
/// <param name="stream"><see cref="Stream"/> containing audio data.</param>
/// <param name="leaveOpen">Specifies whether the given <see cref="Stream"/> should left open after <see cref="SoundDecoder"/> disposed.</param>
/// <inheritdoc />
public SoundDecoder(Stream stream, bool leaveOpen = false)
{
// Find a suitable reader for the given audio stream
reader = SoundProcessorFactory.GetReader(stream, leaveOpen);
if (reader == null)
{
throw new NotSupportedException("Failed to open audio stream. Invalid audio format or not supported.");
}
// Retrieve the attributes of the sound
SampleCount = reader.SampleInfo.SampleCount;
ChannelCount = reader.SampleInfo.ChannelCount;
SampleRate = reader.SampleInfo.SampleRate;
}
private void Initialize(SoundReader reader, SampleInfo info)
{
// Retrieve the sound parameters
long sampleCount = info.SampleCount;
int channelCount = info.ChannelCount;
int sampleRate = info.SampleRate;
// Read the samples from the provided file
using (reader)
{
_samples = new short[sampleCount];
if (reader.Read(_samples, sampleCount) == sampleCount)
{
// Update the internal buffer with the new samples
Update(channelCount, sampleRate);
}
else
{
throw new Exception("Failed to decode the sound data.");
}
}
}