public void ReceiveDataReadStream(DataPackage pkgData)
{
//收到实时码流数据【采集器→主机】
ushort packID = 0;
Struct_FileHead fileHead = new Struct_FileHead();
byte[] readBytes = null;
byte[] dataBuffer = pkgData.PureData;
using (MemoryStream ms = new MemoryStream(dataBuffer))
{
using (BinaryReader br = new BinaryReader(ms))
{
fileHead.Buffer = br.ReadBytes(4); //要读取文件的参数
packID = br.ReadUInt16(); //包序号
int packDataLen = br.ReadUInt16(); //该包数据中图像数据长度，最大 506 字节。
readBytes = br.ReadBytes(packDataLen);
}
}
if (readBytes != null && readBytes.Length > 0)
{
if (OnDataChanged != null)
{
//通知主程序处理实时码流数据
StreamHandlerEventArgs eventArgs = new StreamHandlerEventArgs(RunMode.Stream);
eventArgs.OperState = OperationState.StreamReceiving;
eventArgs.Buffer = readBytes;
eventArgs.Value = null;
//if (readBytes.Length == 12)
//{
// //媒体流数据包包头，包含了时间戳以及数据流信息
// Struct_PacketHeader packetHeader = new Struct_PacketHeader(readBytes);
// eventArgs.Value = packetHeader;
//}
//else
//{
// File.WriteAllBytes("H:\\aa", readBytes);
//}
OnDataChanged(this, eventArgs);
}
}
}
void ProStream(StreamHandlerEventArgs e)
{
//实时码流
if (e.OperState == OperationState.StreamOpen)
{
//打开码流，初始化实时码流
}
else if (e.OperState == OperationState.StreamClose)
{
//关闭码流
}
else if (e.OperState == OperationState.StreamReceiving)
{
//显示实时码流图像
byte[] buffer = ((StreamHandlerEventArgs)e).Buffer;
if (e.Value != null)
{
}
//显示实时图像流
//bw.Write(buffer);
string text = string.Format("[Len: {0}] {1} \r\n", buffer.Length, Utils.ConvertTools.ToHexString(buffer));
WriteLogText(text);
}
}
public void ReceiveStreamAction(DataPackage pkgData)
{
//收到 "开关实时码流" 的应答【采集器→主机】
byte retCode = 0;
byte[] dataBuffer = pkgData.PureData;
using (MemoryStream ms = new MemoryStream(dataBuffer))
{
using (BinaryReader br = new BinaryReader(ms))
{
retCode = br.ReadByte(); //结果码: 0-码流关闭，1-码流打开
curStatus_ctl = br.ReadByte(); //输出开关量状态
br.ReadInt16(); //R保留
macState = 1;
}
}
if (retCode == 0)
{
//收到实时码流已关闭命令
OpenState = false;
if (OnDataChanged != null)
{
StreamHandlerEventArgs eventArgs = new StreamHandlerEventArgs(RunMode.Stream);
eventArgs.OperState = OperationState.StreamClose;
OnDataChanged(this, eventArgs);
}
}
else
{
//收到实时码流已打开命令
OpenState = true;
if (OnDataChanged != null)
{
StreamHandlerEventArgs eventArgs = new StreamHandlerEventArgs(RunMode.Stream);
eventArgs.OperState = OperationState.StreamOpen;
OnDataChanged(this, eventArgs);
}
}
}