/// <summary>
/// Creates a new stream instance using the provided stream as a source.
/// Will also read the first frame of the MP3 into the internal buffer.
/// </summary>
public MP3Stream(Stream sourceStream, int chunkSize)
{
IsEOF = false;
_SourceStream = sourceStream;
_BitStream = new Bitstream(new PushbackStream(_SourceStream, chunkSize));
_Buffer = new Buffer16BitStereo();
_Decoder.OutputBuffer = _Buffer;
// read the first frame. This will fill the initial buffer with data, and get our frequency!
IsEOF |= !ReadFrame();
switch (_ChannelCountRep)
{
case 1:
FormatRep = SoundFormat.Pcm16BitMono;
break;
case 2:
FormatRep = SoundFormat.Pcm16BitStereo;
break;
default:
throw new MP3SharpException($"Unhandled channel count rep: {_ChannelCountRep} (allowed values are 1-mono and 2-stereo).");
}
if (FormatRep == SoundFormat.Pcm16BitMono)
{
_Buffer.DoubleMonoToStereo = true;
}
}
/// <summary>
/// Creates a new stream instance using the provided stream as a source.
/// Will also read the first frame of the MP3 into the internal buffer.
/// TODO: allow selecting stereo or mono in the constructor (note that this also requires "implementing" the stereo format).
/// </summary>
public MP3Stream(Stream sourceStream, int chunkSize)
{
FormatRep = SoundFormat.Pcm16BitStereo;
m_SourceStream = sourceStream;
m_BitStream = new Bitstream(new PushbackStream(m_SourceStream, chunkSize));
m_Buffer = new Buffer16BitStereo();
m_Decoder.OutputBuffer = m_Buffer;
// read the first frame. This will fill the initial buffer with data, and get our frequency!
ReadFrame();
}
/// <summary>
/// Creates a new stream instance using the provided stream as a source.
/// Will also read the first frame of the MP3 into the internal buffer.
/// TODO: allow selecting stereo or mono in the constructor (note that this also requires "implementing" the stereo format).
/// </summary>
public MP3Stream(Stream sourceStream, int chunkSize)
{
IsEOF = false;
FormatRep = SoundFormat.Pcm16BitStereo;
m_SourceStream = sourceStream;
m_BitStream = new Bitstream(new PushbackStream(m_SourceStream, chunkSize));
m_Buffer = new Buffer16BitStereo();
m_Decoder.OutputBuffer = m_Buffer;
// read the first frame. This will fill the initial buffer with data, and get our frequency!
if (!ReadFrame())
IsEOF = true;
}