public AudioDecoder(DecoderSettings settings, string path, Stream IO, Stream IO_WVC)
{
m_settings = settings;
m_read_bytes = ReadCallback;
m_get_pos = TellCallback;
m_set_pos_abs = SeekCallback;
m_set_pos_rel = SeekRelativeCallback;
m_push_back_byte = PushBackCallback;
m_get_length = LengthCallback;
m_can_seek = CanSeekCallback;
m_ioReader = (WavpackStreamReader64 *)Marshal.AllocHGlobal(sizeof(WavpackStreamReader64)).ToPointer();
m_ioReader->read_bytes = Marshal.GetFunctionPointerForDelegate(m_read_bytes);
m_ioReader->write_bytes = IntPtr.Zero;
m_ioReader->get_pos = Marshal.GetFunctionPointerForDelegate(m_get_pos);
m_ioReader->set_pos_abs = Marshal.GetFunctionPointerForDelegate(m_set_pos_abs);
m_ioReader->set_pos_rel = Marshal.GetFunctionPointerForDelegate(m_set_pos_rel);
m_ioReader->push_back_byte = Marshal.GetFunctionPointerForDelegate(m_push_back_byte);
m_ioReader->get_length = Marshal.GetFunctionPointerForDelegate(m_get_length);
m_ioReader->can_seek = Marshal.GetFunctionPointerForDelegate(m_can_seek);
m_ioReader->truncate_here = IntPtr.Zero;
m_ioReader->close = IntPtr.Zero;
_IO_ungetc = _IO_WVC_ungetc = -1;
_path = path;
_IO = (IO != null) ? IO : new FileStream(path, FileMode.Open, FileAccess.Read, FileShare.Read);
_IO_WVC = (IO != null) ? IO_WVC : File.Exists(path + "c") ? new FileStream(path + "c", FileMode.Open, FileAccess.Read, FileShare.Read) : null;
string errorMessage;
_wpc = wavpackdll.WavpackOpenFileInputEx64(m_ioReader, IO_ID_WV, IO_ID_WVC, out errorMessage, OpenFlags.OPEN_WVC, 0);
if (_wpc == null)
{
throw new Exception("Unable to initialize the decoder: " + errorMessage);
}
pcm = new AudioPCMConfig(
wavpackdll.WavpackGetBitsPerSample(_wpc),
wavpackdll.WavpackGetNumChannels(_wpc),
(int)wavpackdll.WavpackGetSampleRate(_wpc),
(AudioPCMConfig.SpeakerConfig)wavpackdll.WavpackGetChannelMask(_wpc));
_sampleCount = wavpackdll.WavpackGetNumSamples64(_wpc);
_sampleOffset = 0;
}
public AudioDecoder(DecoderSettings settings, string path, Stream IO = null)
: this(settings, path, IO, null)
{
}