void WriteFmtChunk([NotNull] AudioInfo audioInfo)
{
// ReSharper disable once PossibleNullReferenceException
_writer.BeginChunk("fmt ", 16);
_writer.Write((ushort)1);
_writer.Write((ushort)audioInfo.Channels);
_writer.Write((uint)audioInfo.SampleRate);
_writer.Write((uint)(_bytesPerSample * audioInfo.Channels * audioInfo.SampleRate));
_writer.Write((ushort)(_bytesPerSample * audioInfo.Channels));
_writer.Write((ushort)audioInfo.BitsPerSample);
_writer.FinishChunk();
}
public void Initialize(Stream stream, AudioInfo info, AudioMetadata metadata, SettingDictionary settings)
{
_bitsPerSample = info.BitsPerSample;
_bytesPerSample = (int)Math.Ceiling(info.BitsPerSample / 8.0);
_writer = new RiffWriter(stream);
// Pre-allocate the entire stream to avoid fragmentation
var estimatedSize = 44 + info.FrameCount * info.Channels * _bytesPerSample;
estimatedSize += estimatedSize % 2;
stream.SetLength(estimatedSize);
_writer.Initialize("WAVE");
WriteFmtChunk(info);
// ReSharper disable once PossibleNullReferenceException
_writer.BeginChunk("data");
}