public override AudioFile Read(string fileName)
{
AudioFile audioFile = new AudioFile();
byte[] vs = File.ReadAllBytes(fileName + ".wav");
int index = 0;
//Check File Validity
if (ByteTools.BytesToString(vs, ref index, 4) != "RIFF")
{
throw new FileLoadException("File Header Invalid");
}
int tFileLength = (int)ByteTools.BytesToUInt(vs, ref index);
if (ByteTools.BytesToString(vs, ref index, 4) != "WAVE")
{
throw new FileLoadException("File Header Invalid");
}
if (ByteTools.BytesToString(vs, ref index, 4) != "fmt ")
{
throw new FileLoadException("File Header Invalid");
}
//Read Format
AudioFileFormat format = new AudioFileFormat();
int lengthOfHeader = (int)ByteTools.BytesToUInt(vs, ref index);
int indexAfterHeader = index + lengthOfHeader;
index += 2;
format.nChannels = ByteTools.BytesToUShort(vs, ref index);
format.SampleRate = ByteTools.BytesToUInt(vs, ref index);
index += 6;
format.BitsPerSample = ByteTools.BytesToUShort(vs, ref index);
index = indexAfterHeader;
//Check Validity Again
while (ByteTools.BytesToString(vs, ref index, 4) != "data")
{
index -= 3;
if (index > 100)
{
throw new FileLoadException("File Header Invalid");
}
}
//Read Audio Data
audioFile.audioSize = ByteTools.BytesToUInt(vs, ref index);
audioFile.audioData = new byte[(int)audioFile.audioSize];
Array.Copy(vs, index, audioFile.audioData, 0, (int)audioFile.audioSize);
//Return All Necessary Data
audioFile.fileFormat = format;
return(audioFile);
}