public Metadata(byte[] array)
{
ArraySize = array.Length;
NumOfSamples = ArraySize - DataStartIndex;
var numOfChannelsArray = array.SubArray(NumOfChannels.StartIndex, NumOfChannels.Length);
NumOfChannels = new NumOfChannels(Converters.ConvertToUShort(numOfChannelsArray));
var sampleRateArray = array.SubArray(SampleRate.StartIndex, SampleRate.Length);
SampleRate = new SampleRate(Converters.ConvertToUInt(sampleRateArray));
var bitsPerSampleArray = array.SubArray(BitsPerSample.StartIndex, BitsPerSample.Length);
BitsPerSample = new BitsPerSample(Converters.ConvertToUShort(bitsPerSampleArray));
var chunkIdArray = array.SubArray(ChunkId.StartIndex, ChunkId.Length);
const string chunkIdExpectedValue = "RIFF";
ChunkId = new ChunkId(Converters.ConvertToString(chunkIdArray), chunkIdExpectedValue);
var chunkSizeArray = array.SubArray(ChunkSize.StartIndex, ChunkSize.Length);
var chunkSizeExpectedValue = ArraySize - 8;
ChunkSize = new ChunkSize(Converters.ConvertToUInt(chunkSizeArray), (uint)chunkSizeExpectedValue);
var formatArray = array.SubArray(Format.StartIndex, Format.Length);
const string formatArrayExpectedValue = "WAVE";
Format = new Format(Converters.ConvertToString(formatArray), formatArrayExpectedValue);
var subChunk1IdArray = array.SubArray(SubChunk1Id.StartIndex, SubChunk1Id.Length);
const string subChunk1IdExpectedValue = "fmt ";
SubChunk1Id = new SubChunk1Id(Converters.ConvertToString(subChunk1IdArray), subChunk1IdExpectedValue);
var subChunk1SizeArray = array.SubArray(SubChunk1Size.StartIndex, SubChunk1Size.Length);
SubChunk1Size = new SubChunk1Size(Converters.ConvertToUInt(subChunk1SizeArray));
var audioFormatArray = array.SubArray(AudioFormat.StartIndex, AudioFormat.Length);
AudioFormat = new AudioFormat(Converters.ConvertToUShort(audioFormatArray));
var byteRateArray = array.SubArray(ByteRate.StartIndex, ByteRate.Length);
uint byteRateExpectedValue = SampleRate.Value * NumOfChannels.Value * BitsPerSample.Value / 8;
ByteRate = new ByteRate(Converters.ConvertToUInt(byteRateArray), byteRateExpectedValue);
var blockAlignArray = array.SubArray(BlockAlign.StartIndex, BlockAlign.Length);
var blockAlignExpectedValue = NumOfChannels.Value * BitsPerSample.Value / 8;
BlockAlign = new BlockAlign(Converters.ConvertToUShort(blockAlignArray), (ushort)blockAlignExpectedValue);
var subChunk2IdArray = array.SubArray(SubChunk2Id.StartIndex, SubChunk2Id.Length);
SubChunk2Id = new SubChunk2Id(Converters.ConvertToString(subChunk2IdArray));
var subChunk2SizeArray = array.SubArray(SubChunk2Size.StartIndex, SubChunk2Size.Length);
var subChunk2SizeExpectedValue = ArraySize - SubChunk2Size.StartIndex - SubChunk2Size.Length;
SubChunk2Size = new SubChunk2Size(Converters.ConvertToUInt(subChunk2SizeArray), (uint)subChunk2SizeExpectedValue);
DataStartIndex = GetDataStartIndex(array);
//https://www.recordingblogs.com/wiki/list-chunk-of-a-wave-file
var listOfKeys = new List <string>
{
"IARL", "IART", "ICMS", "ICMT", "ICOP",
"ICRD", "ICRP", "IDIM", "IDPI", "IENG",
"IGNR", "IKEY", "ILGT", "IMED", "INAM",
"IPLT", "IPRD", "ISBJ", "ISFT", "ISRC",
"ISRF", "ITCH"
};
var dictionary = PopulateInfo(listOfKeys, array);
Info = new ReadOnlyDictionary <string, string>(dictionary);
}