/// <summary>Constructor - Supports opening a FLAC file</summary>
public FLACFileReader(string flacFileName)
{
// Open the flac file for reading through a binary reader
m_stream = File.OpenRead(flacFileName);
m_reader = new BinaryReader(m_stream);
// Create the FLAC decoder
m_decoderContext = LibFLACSharp.FLAC__stream_decoder_new();
if (m_decoderContext == IntPtr.Zero)
throw new ApplicationException("FLAC: Could not initialize stream decoder!");
// Create call back delegates
m_writeCallback = new LibFLACSharp.Decoder_WriteCallback(FLAC_WriteCallback);
m_metadataCallback = new LibFLACSharp.Decoder_MetadataCallback(FLAC_MetadataCallback);
m_errorCallback = new LibFLACSharp.Decoder_ErrorCallback(FLAC_ErrorCallback);
// Initialize the FLAC decoder
if (LibFLACSharp.FLAC__stream_decoder_init_file(m_decoderContext,
flacFileName, m_writeCallback, m_metadataCallback, m_errorCallback,
IntPtr.Zero) != 0)
throw new ApplicationException("FLAC: Could not open stream for reading!");
// Process the meta-data (but not the audio frames) so we can prepare the NAudio wave format
FLACCheck(
LibFLACSharp.FLAC__stream_decoder_process_until_end_of_metadata(m_decoderContext),
"Could not process until end of metadata");
// Initialize NAudio wave format
m_waveFormat = new WaveFormat(m_flacStreamInfo.SampleRate, m_flacStreamInfo.BitsPerSample, m_flacStreamInfo.Channels);
}
/// <summary>Constructor - Supports opening a FLAC file</summary>
public FLACFileReader(string flacFileName)
{
// Open the flac file for reading through a binary reader
m_stream = File.OpenRead(flacFileName);
m_reader = new BinaryReader(m_stream);
// Create the FLAC decoder
m_decoderContext = LibFLACSharp.FLAC__stream_decoder_new();
if (m_decoderContext == IntPtr.Zero)
{
throw new ApplicationException("FLAC: Could not initialize stream decoder!");
}
// Create call back delegates
m_writeCallback = new LibFLACSharp.Decoder_WriteCallback(FLAC_WriteCallback);
m_metadataCallback = new LibFLACSharp.Decoder_MetadataCallback(FLAC_MetadataCallback);
m_errorCallback = new LibFLACSharp.Decoder_ErrorCallback(FLAC_ErrorCallback);
// Initialize the FLAC decoder
if (LibFLACSharp.FLAC__stream_decoder_init_file(m_decoderContext,
flacFileName, m_writeCallback, m_metadataCallback, m_errorCallback,
IntPtr.Zero) != 0)
{
throw new ApplicationException("FLAC: Could not open stream for reading!");
}
// Process the meta-data (but not the audio frames) so we can prepare the NAudio wave format
FLACCheck(
LibFLACSharp.FLAC__stream_decoder_process_until_end_of_metadata(m_decoderContext),
"Could not process until end of metadata");
// Initialize NAudio wave format
m_waveFormat = new WaveFormat(m_flacStreamInfo.SampleRate, m_flacStreamInfo.BitsPerSample, m_flacStreamInfo.Channels);
}
