//dataChunk ReadDataHeader() - 2004 July 28
//Again, not much to say.
public dataChunk ReadDataHeader()
{
try
{
data = new dataChunk();
data.Subchunk2ID = new string(reader.ReadChars(4));
data.Subchunk2Size = reader.ReadUInt32();
data.lFilePosition = reader.BaseStream.Position;
data.NumSamples = Convert.ToUInt32(data.Subchunk2Size / (format.BitsPerSample / 8 * format.NumChannels));
//The above could be written as data.dwChunkSize / format.wBlockAlign, but I want to emphasize what the frames look like.
data.dwMinLength = (data.Subchunk2Size / format.ByteRate) / 60;
data.dSecLength = ((double)data.Subchunk2Size / (double)format.ByteRate) - (double)data.dwMinLength * 60;
data.Samples = new List <Sample>();
for (int i = 0; i < data.NumSamples; i++)
{
Sample temp = new Sample();
temp.Channels = new List <Channel>();
for (int j = 0; j < format.NumChannels; j++)
{
if (format.BitsPerSample / format.NumChannels == 8)
{
temp.Channels.Add(new Channel(Convert.ToInt32(reader.ReadByte())));
}
if (format.BitsPerSample / format.NumChannels == 16)
{
temp.Channels.Add(new Channel(Convert.ToInt32(reader.ReadInt16())));
}
if (format.BitsPerSample / format.NumChannels == 32)
{
temp.Channels.Add(new Channel(Convert.ToInt32(reader.ReadInt32())));
}
}
data.Samples.Add(temp);
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
return(data);
}
//dataChunk ReadDataHeader() - 2004 July 28
//Again, not much to say.
public dataChunk ReadDataHeader()
{
try
{
data = new dataChunk();
data.Subchunk2ID = new string(reader.ReadChars(4));
data.Subchunk2Size = reader.ReadUInt32();
data.lFilePosition = reader.BaseStream.Position;
data.NumSamples = Convert.ToUInt32(data.Subchunk2Size / (format.BitsPerSample / 8 * format.NumChannels));
//The above could be written as data.dwChunkSize / format.wBlockAlign, but I want to emphasize what the frames look like.
data.dwMinLength = (data.Subchunk2Size / format.ByteRate) / 60;
data.dSecLength = ((double)data.Subchunk2Size / (double)format.ByteRate) - (double)data.dwMinLength * 60;
data.Samples = new List<Sample>();
for(int i=0;i<data.NumSamples;i++)
{
Sample temp = new Sample();
temp.Channels = new List<Channel>();
for (int j=0;j<format.NumChannels;j++)
{
if (format.BitsPerSample / format.NumChannels == 8)
temp.Channels.Add(new Channel(Convert.ToInt32(reader.ReadByte())));
if (format.BitsPerSample / format.NumChannels == 16)
temp.Channels.Add(new Channel(Convert.ToInt32(reader.ReadInt16())));
if (format.BitsPerSample / format.NumChannels == 32)
temp.Channels.Add(new Channel(Convert.ToInt32(reader.ReadInt32())));
}
data.Samples.Add(temp);
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
return data;
}
