public OggOpusFile(Stream sourceStream, bool leaveOpen = false)
{
if (sourceStream == null || !sourceStream.CanRead)
{
throw new ArgumentException("fileStream must be a readable stream.");
}
_sourceStream = sourceStream;
_leaveOpen = leaveOpen;
_read = new ReadFunc(ReadCallback);
_seek = new SeekFunc(SeekCallback);
_tell = new TellFunc(TellCallback);
var cb = new _OpusFileCallbacks()
{
read = Marshal.GetFunctionPointerForDelegate(_read),
seek = _sourceStream.CanSeek ? Marshal.GetFunctionPointerForDelegate(_seek) : IntPtr.Zero,
tell = _sourceStream.CanSeek ? Marshal.GetFunctionPointerForDelegate(_tell) : IntPtr.Zero,
close = IntPtr.Zero,
};
_handle = (IntPtr)this.GetHashCode();
lock (_streams) {
_streams.Add(_handle, this);
}
OpusError error;
_opusFile = op_open_callbacks(_handle, ref cb, IntPtr.Zero, IntPtr.Zero, out error);
if (_opusFile == IntPtr.Zero)
{
throw new OpusException(error);
}
}
public OggOpusFile(Stream sourceStream, bool leaveOpen = false)
{
if (sourceStream == null || !sourceStream.CanRead)
throw new ArgumentException("fileStream must be a readable stream.");
_sourceStream = sourceStream;
_leaveOpen = leaveOpen;
_read = new ReadFunc(ReadCallback);
_seek = new SeekFunc(SeekCallback);
_tell = new TellFunc(TellCallback);
var cb = new _OpusFileCallbacks() {
read = Marshal.GetFunctionPointerForDelegate(_read),
seek = _sourceStream.CanSeek ? Marshal.GetFunctionPointerForDelegate(_seek) : IntPtr.Zero,
tell = _sourceStream.CanSeek ? Marshal.GetFunctionPointerForDelegate(_tell) : IntPtr.Zero,
close = IntPtr.Zero,
};
OpusError error;
_opusFile = op_open_callbacks(IntPtr.Zero, ref cb, IntPtr.Zero, IntPtr.Zero, out error);
if (_opusFile == IntPtr.Zero)
throw new OpusException(error);
}
static extern IntPtr op_open_callbacks(IntPtr source, ref _OpusFileCallbacks cb, IntPtr initial_data, IntPtr initial_bytes, out OpusError error);
static extern IntPtr op_open_callbacks(IntPtr source, ref _OpusFileCallbacks cb, IntPtr initial_data, IntPtr initial_bytes, out OpusError error);