Здравствуйте, подскажите, почему с таким кодом файл не остается таким же, а уменьшается размером и длительностью звучания?
| C# |
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| using System;
using System.Collections.Generic;
using System.IO;
namespace ConsoleApplication1
{
class Program
{
struct WavHeader
{
public byte[] riffID;
public uint size;
public byte[] wavID;
public byte[] fmtID;
public uint fmtSize;
public ushort format;
public ushort channels;
public uint sampleRate;
public uint bytePerSec;
public ushort blockSize;
public ushort bit;
public byte[] dataID;
public uint dataSize;
}
static void Main(string[] args)
{
WavHeader Header = new WavHeader();
List<Int16> lDataList = new List<Int16>();
using (FileStream fs = new FileStream("C:\\Users\\Admin\\Downloads\\key.wav", FileMode.Open, FileAccess.Read))
using (BinaryReader br = new BinaryReader(fs))
{
try
{
Header.riffID = br.ReadBytes(4);//1
Header.size = br.ReadUInt32();//2
Header.wavID = br.ReadBytes(4);//3
Header.fmtID = br.ReadBytes(4);//4
Header.fmtSize = br.ReadUInt32();//5
Header.format = br.ReadUInt16();//6
Header.channels = br.ReadUInt16();//7
Header.sampleRate = br.ReadUInt32();//8
Header.bytePerSec = br.ReadUInt32();//9
Header.blockSize = br.ReadUInt16();//10
Header.bit = br.ReadUInt16();//11
Header.dataID = br.ReadBytes(4);//12
Header.dataSize = br.ReadUInt32();//13
int n = (int)(Header.dataSize/8/16); // (int)Header.dataSize;
for (int i = 0; i < n; i++)
{
Int16 tmp = 0;
tmp = br.ReadInt16();
lDataList.Add(tmp);
//rDataList.Add((short)br.ReadUInt16());
}
}
finally
{
if (br != null)
{
br.Close();
}
if (fs != null)
{
fs.Close();
}
}
}
Console.WriteLine("Открыт");
using (FileStream fs = new FileStream("C:\\Users\\Admin\\Downloads\\key.wav", FileMode.Create, FileAccess.Write))
using (BinaryWriter bw = new BinaryWriter(fs))
{
try
{
bw.Write(Header.riffID);//1
bw.Write(Header.size);//2
bw.Write(Header.wavID);//3
bw.Write(Header.fmtID);//4
bw.Write(Header.fmtSize);//5
bw.Write(Header.format);//6
bw.Write(Header.channels);//7
bw.Write(Header.sampleRate);//8
bw.Write(Header.bytePerSec);//9
bw.Write(Header.blockSize);//10
bw.Write(Header.bit);//11
bw.Write(Header.dataID);//12
bw.Write(Header.dataSize);//13
int n = (int)(Header.dataSize/8/16); // (int)Header.dataSize;
for (int i = 0; i < n; i++)
{
Int16 tmp = lDataList[i];
bw.Write(tmp);
}
}
finally
{
if (bw != null)
{
bw.Close();
}
if (fs != null)
{
fs.Close();
}
}
}
return;
}
}
} |
|
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