/// <summary>
/// Initializes a new instance of the <see cref="RIFFFileReader" /> class.
/// </summary>
/// <param name="fileName">Filename which points to a wave file.</param>
/// <param name="useWordAlignment">whether to ensure word-alignment (defaults to false)</param>
public RIFFFileReader(string fileName, bool useWordAlignment = false, bool closeBinaryFile = false)
{
if (fileName == null)
{
throw new ArgumentNullException("fileName");
}
_useWordAlignment = useWordAlignment;
_closeBinaryFile = closeBinaryFile;
_binaryFile = new BinaryFile(fileName, BinaryFile.ByteOrder.BigEndian);
var firstChunkId = new String(_binaryFile.ReadChars(4));
if (firstChunkId == "RIFF")
{
// read RIFF data size
var chunkSize = _binaryFile.ReadInt32();
// read form-type (WAVE etc)
var field = new string(_binaryFile.ReadChars(4));
Log.Verbose("Processing RIFF. Data size: {0}, field: {1}", chunkSize, field);
_chunks = ReadChunks(_binaryFile);
}
else
{
// unrecognized file format, not a RIFF File
_chunks = new List <RIFFFileChunk>(2);
Log.Error("Unknown format (not RIFF). First chunk Id: {0}", firstChunkId);
}
Log.Verbose(GetRIFFFileChunkInformation(Chunks));
_binaryFile.Position = 0;
}
