public static byte[] Encode(VideoBasePacket packet)
{
using (MemoryStream ms = new MemoryStream())
{
PacketBase.WriteBytes(ms, packet.Time);
PacketBase.WriteBytes(ms, packet.Header.Length);
PacketBase.WriteBytes(ms, packet.Header);
PacketBase.WriteBytes(ms, packet.Length);
return(ms.ToArray());
}
}
private void write()
{
try
{
if (!new FileInfo(_fileName).Directory.Exists)
{
new FileInfo(_fileName).Directory.Create();
}
using (FileStream fs = new FileStream(_fileName, FileMode.Create, FileAccess.Write, FileShare.Read))
{
write(fs, ParamCode.DownloadBase, DownloadInfoParam.Encode(DownloadInfo));
write(fs, ParamCode.VideoBaseInfo, VideoBasePacket.Encode(VideoBase));
write(fs, ParamCode.TimePeriods, VideoTimePeriodsPacket.Encode(TimePeriods));
}
}
catch (Exception ex)
{
Console.WriteLine(ex);
}
}
private void readPacket(Stream ms)
{
int length = PacketBase.ReadInt(ms);
int code = PacketBase.ReadInt(ms);
byte[] buffer = PacketBase.ReadByteArray(ms, length - 4);
switch ((ParamCode)code)
{
case ParamCode.VideoBaseInfo:
if (buffer.Length > 20 && (VideoBase == null || VideoBase.Length == 0))
{
VideoBase = VideoBasePacket.Decode(buffer);
}
break;
case ParamCode.TimePeriods:
TimePeriods = VideoTimePeriodsPacket.Decode(buffer);
break;
case ParamCode.DownloadBase:
DownloadInfo = DownloadInfoParam.Decode(buffer);
break;
}
}
public void UpdateVideoBase(VideoBasePacket packet)
{
VideoBase = packet;
write();
}