/// <summary>
/// This provides an NAudio WaveProvider that can be used to play this file
/// </summary>
/// <returns>null on error, otherwise a wave provider</returns>
/// <example>
/// <code>
/// var waveOut = new WaveOut();
/// var waveProvider = WEM.WaveProvider();
/// waveOut.Init(waveProvider);
/// waveOut.Play();
/// Thread.Sleep(30000);
/// waveOut.Stop();
/// waveProvider.Dispose();
/// waveOut.Dispose();
/// </code>
/// </example>
public IWaveProvider WaveProvider()
{
if (Data_start < 0)
{
return(null);
}
// Sanity check that the file header was scanned.
// The caller should do this, but may not have.
if (0 == AudioFormat)
{
Open();
}
binaryReader.BaseStream.Position = Data_start;
// Get the WaveProvider that matches the format
if (2 == AudioFormat)
{
return(new IMAWaveProvider(binaryReader, (int)Data_size, (int)SampleRate, (int)NumChannels));
}
var st = binaryReader.BaseStream;
st.Position = Data_start;
var vorbisPackets = transcoder.Transcode(binaryReader, setup_ofs, audio_ofs);
return(new SampleToWaveProvider(new VorbisSampleProvider(vorbisPackets)));
}
/// <summary>
/// This provides an NAudio WaveProvider that can be used to play this file
/// </summary>
/// <returns>null on error, otherwise a wave provider</returns>
/// <example>
/// <code>
/// var waveOut = new WaveOut();
/// var waveProvider = WEM.WaveProvider();
/// waveOut.Init(waveProvider);
/// waveOut.Play();
/// Thread.Sleep(30000);
/// waveOut.Stop();
/// waveProvider.Dispose();
/// waveOut.Dispose();
/// </code>
/// </example>
public IWaveProvider WaveProvider()
{
binaryReader.BaseStream.Position = Data_start;
// Get the WaveProvider that matches the format
if (2 == AudioFormat)
{
return(new IMAWaveProvider(binaryReader, (int)Data_size, (int)SampleRate, (int)NumChannels));
}
var st = binaryReader.BaseStream;
st.Position = Data_start;
var vorbisPackets = transcoder.Transcode(binaryReader, setup_ofs, audio_ofs);
return(new SampleToWaveProvider(new VorbisSampleProvider(vorbisPackets)));
}
