public void Save(FilePath filePath)
{
using (Stream savedStream = new FileStream(
filePath.FileFullPath, FileMode.Create, FileAccess.Write))
{
WriteWaveFileHeader(savedStream, SoundData.Length);
StreamOperations.WriteBytesToStream(savedStream, SoundData);
Console.WriteLine($"{filePath.Name} saved");
}
}
/// <summary>
/// Assumption: The header is 44 bytes.
/// </summary>
/// <param name="savedStream"></param>
/// <param name="soundDataSizeInBytes"></param>
private void WriteWaveFileHeader(Stream savedStream, int soundDataSizeInBytes)
{
// Writes "RIFF" chunk descriptor.
StreamOperations.WriteStringToStream(savedStream, RIFF_STR);
StreamOperations.WriteIntegerToStream(savedStream, soundDataSizeInBytes + 36, BitConvertorWrapper.IntType.Int32);
StreamOperations.WriteStringToStream(savedStream, WAVE_STR);
// Write "fmt" sub-chunk.
StreamOperations.WriteStringToStream(savedStream, FMT_STR);
StreamOperations.WriteIntegerToStream(savedStream, 16, BitConvertorWrapper.IntType.Int32);
StreamOperations.WriteIntegerToStream(savedStream, mAudioFormat, BitConvertorWrapper.IntType.Int16);
StreamOperations.WriteIntegerToStream(savedStream, NumChannels, BitConvertorWrapper.IntType.Int16);
StreamOperations.WriteIntegerToStream(savedStream, SampleRate, BitConvertorWrapper.IntType.Int32);
StreamOperations.WriteIntegerToStream(savedStream, ByteRate, BitConvertorWrapper.IntType.Int32);
StreamOperations.WriteIntegerToStream(savedStream, BytesPerSample, BitConvertorWrapper.IntType.Int16);
StreamOperations.WriteIntegerToStream(savedStream, BitsPerSample, BitConvertorWrapper.IntType.Int16);
// Write "data" sub-chunk.
StreamOperations.WriteStringToStream(savedStream, DATA_STR);
StreamOperations.WriteIntegerToStream(savedStream, soundDataSizeInBytes, BitConvertorWrapper.IntType.Int32);
}
