public static wavData Read(BinaryReader reader)
{
wavData rv = new wavData();
rv.read(reader);
return(rv);
}
//reads the wav placed at the sourcePath
private void ReadWav()
{
try
{
wavdata = new wavData();
wavdata.data = new List <short>();
//read Wav
using (FileStream fs = new FileStream(sourcePath, FileMode.Open, FileAccess.Read))
using (BinaryReader br = new BinaryReader(fs))
{
try
{
wavdata.riffID = br.ReadBytes(4);
wavdata.size = br.ReadUInt32();
wavdata.wavID = br.ReadBytes(4);
wavdata.fmtID = br.ReadBytes(4);
wavdata.fmtSize = br.ReadUInt32();
wavdata.format = br.ReadUInt16();
wavdata.channels = br.ReadUInt16();
wavdata.sampleRate = br.ReadUInt32();
wavdata.bytePerSec = br.ReadUInt32();
wavdata.blockSize = br.ReadUInt16();
wavdata.bit = br.ReadUInt16();
wavdata.dataID = br.ReadBytes(4);
wavdata.dataSize = br.ReadUInt32();
for (int i = 0; (i < wavdata.dataSize / wavdata.blockSize); i += wavdata.channels)
{
wavdata.data.Add((short)br.ReadUInt16());
if (wavdata.channels == 2)
{
br.ReadUInt16(); //Skip any second channel
}
if (fs.Position == fs.Length)
{
break; //stop when end of file
}
}
wavdata.channels = 1; //set channels on 1 incase it was 2
}
finally
{
if (br != null)
{
br.Close();
}
if (fs != null)
{
fs.Close();
}
}
}
}
catch (Exception)
{
throw new Exception("trouble reading WAV file! Perhaps your wav file is corrupt.");
}
}
private void clear()
{
header = null;
format = null;
data = null;
FileName = null;
Name = null;
}
public wavData(wavData copy)
{
samples = new byte[copy.samples.Length];
for (int k = 0; k < copy.samples.Length; k++)
{
samples[k] = copy.samples[k];
}
}
public Wav(Wav copy)
{
header = new wavHeader(copy.header);
format = new wavFormat(copy.format);
data = new wavData(copy.data);
OrigDuration = copy.OrigDuration;
FileName = copy.FileName;
Name = copy.Name;
}
// internally used methodes
/// <summary>
/// update all WAV data
/// </summary>
private void ReadWav()
{
try
{
wavdata = new wavData();
wavdata.data = new List <short>(); //just to be sure idk maybe the pointer ain't forgotten...
//read Wav
using (FileStream fs = new FileStream(wavPath, FileMode.Open, FileAccess.Read))
using (BinaryReader br = new BinaryReader(fs))
{
try
{
wavdata.riffID = br.ReadBytes(4);
wavdata.size = br.ReadUInt32();
wavdata.wavID = br.ReadBytes(4);
wavdata.fmtID = br.ReadBytes(4);
wavdata.fmtSize = br.ReadUInt32();
wavdata.format = br.ReadUInt16();
wavdata.channels = br.ReadUInt16(); //important!
wavdata.sampleRate = br.ReadUInt32();
wavdata.bytePerSec = br.ReadUInt32();
wavdata.blockSize = br.ReadUInt16();//important!
wavdata.bit = br.ReadUInt16();
wavdata.dataID = br.ReadBytes(4);
wavdata.dataSize = br.ReadUInt32();//important!
for (int i = 0; (i < wavdata.dataSize / wavdata.blockSize); i += wavdata.channels)
{
wavdata.data.Add((short)br.ReadUInt16());
if (wavdata.channels == 2)
{
br.ReadUInt16(); //throw away 2nd channel
}
}
}
finally
{
if (br != null)
{
br.Close();
}
if (fs != null)
{
fs.Close();
}
}
}
}
catch (Exception)
{
throw new Exception("trouble reading WAV file! Perhaps your wav file is corrupt.");
}
}
public void Cat(Wav inputFile)
{
if (header == null)
{
header = new wavHeader(inputFile.header);
format = new wavFormat(inputFile.format);
data = new wavData(inputFile.data);
}
else
{
data.Cat(inputFile);
}
}
public void Write(BinaryWriter writer, wavFormat format, wavData data)
{
calcLen(format, data);
writer.Write(sGroupID.ToCharArray());
writer.Write(dwFileLength);
writer.Write(sRiffType.ToCharArray());
// Write the format chunk
format.Write(writer);
// Write the data chunk
data.Write(writer);
}
public void Load(string filePath)
{
clear();
FileName = filePath;
Name = Path.GetFileName(FileName);
using (FileStream fileStream = new FileStream(filePath, FileMode.Open, FileAccess.Read))
{
using (BinaryReader reader = new BinaryReader(fileStream))
{
// Read the header
header = wavHeader.Read(reader);
// Read the format chunk
format = wavFormat.Read(reader);
// Read the data chunk
data = wavData.Read(reader);
OrigDuration = Duration;
reader.Close();
}
fileStream.Close();
}
}
private void calcLen(wavFormat format, wavData data)
{
dwFileLength = (uint)sRiffType.Length + format.getLength() + data.getLength();
}
