public void FinalizeFile()
{
long pos = underlyingStream.Position;
WavHeaderUtil.UpdateLength(underlyingStream, (int)(pos - WavHeaderUtil.HEADER_LENGTH));
underlyingStream.Position = pos;
}
public static bool IdentifyWavFile(string path, out WavFileInfo info)
{
bool ok;
byte[] header = new byte[WavHeaderUtil.HEADER_LENGTH];
using (FileStream fs = new FileStream(path, FileMode.Open, FileAccess.Read))
{
fs.Read(header, 0, WavHeaderUtil.HEADER_LENGTH);
ok = WavHeaderUtil.ParseWavHeader(header, out info);
}
return(ok);
}
public WavFileReader(Stream underlyingStream, int bufferSize = 16384) : base(underlyingStream)
{
//Read WAV header
byte[] header = new byte[WavHeaderUtil.HEADER_LENGTH];
underlyingStream.Read(header, 0, WavHeaderUtil.HEADER_LENGTH);
if (!WavHeaderUtil.ParseWavHeader(header, out info))
{
throw new Exception("This is not a valid WAV header.");
}
//Create wrapper
reader = new StreamSampleReader(underlyingStream, Format, SampleRate, WavHeaderUtil.HEADER_LENGTH, Channels, bufferSize);
}
public WavFileWriter(Stream underlyingStream, int sampleRate, short channels, SampleFormat format, int bufferSize) : base(underlyingStream)
{
//Create wrapper
writer = new StreamSampleWriter(underlyingStream, format, sampleRate, WavHeaderUtil.HEADER_LENGTH, channels, bufferSize);
//Create info
info = new WavFileInfo
{
bitsPerSample = writer.BitsPerSample,
channels = channels,
sampleRate = sampleRate
};
//Write header
byte[] header = WavHeaderUtil.CreateHeader(info);
underlyingStream.Position = 0;
underlyingStream.Write(header, 0, header.Length);
}
