Repair RealMedia Files

using System;
using System.Collections.Generic;
using System.Text;
using System.IO;

namespace QiHe.CodeLib
{
    public class DataWriter
    {
        Stream baseStream;

        public DataWriter(Stream stream)
        {
            baseStream = stream;
        }

        public void WriteByte(byte value)
        {
            baseStream.WriteByte(value);
        }

        public void WriteUInt16BE(UInt16 value)
        {
            byte[] bytes = BitConverter.GetBytes(value);
            baseStream.WriteByte(bytes[1]);
            baseStream.WriteByte(bytes[0]);
        }

        public void WriteUInt32BE(UInt32 value)
        {
            byte[] bytes = BitConverter.GetBytes(value);
            baseStream.WriteByte(bytes[3]);
            baseStream.WriteByte(bytes[2]);
            baseStream.WriteByte(bytes[1]);
            baseStream.WriteByte(bytes[0]);
        }

        public void WriteUInt32LE(UInt32 value)
        {
            byte[] bytes = BitConverter.GetBytes(value);
            baseStream.WriteByte(bytes[0]);
            baseStream.WriteByte(bytes[1]);
            baseStream.WriteByte(bytes[2]);
            baseStream.WriteByte(bytes[3]);
        }

        public void WriteBytes(byte[] data)
        {
            baseStream.Write(data, 0, data.Length);
        }

        public void WriteStream(Stream stream)
        {
            byte[] buffer = new byte[stream.Length];
            stream.Position = 0;
            stream.Read(buffer, 0, buffer.Length);
            baseStream.Write(buffer, 0, buffer.Length);
        }
    }
}