public void OnPreviewFrame(byte[] data, Android.Hardware.Camera camera)
{
try
{
noFrames = 0;
YuvImage yi = new YuvImage(data, camera.GetParameters().PreviewFormat, camera.GetParameters().PreviewSize.Width, camera.GetParameters().PreviewSize.Height, null);
byte[][] frames = new byte[fragmentation][];
using MemoryStream ms = new MemoryStream();
yi.CompressToJpeg(new Rect(0, 0, yi.Width, yi.Height), 20, ms);
byte[] jpegBytes = ms.ToArray();
UdpFrame frame = new UdpFrame(jpegBytes);
FrameRefreshed?.Invoke(frame.packages);
}
catch (Exception e)
{
start();
}
}
public virtual bool PublicInput(IPFrame packet)
{
if (packet == null)
{
return(false);
}
switch (packet.ProtocolType)
{
case ProtocolType.Udp:
{
UdpFrame frame = UdpLayer.ParseFrame(packet, true);
if (frame == null)
{
return(false);
}
NATContext context = this.m_contextsUdp.PublicInput(frame.Source, frame.Destination);
if (context == null)
{
return(false);
}
var convertional = new UdpFrame(frame.Source, context.Sources, frame.Payload)
{
Ttl = frame.Ttl,
};
IPFrame ip = CopyFrameHeaderParts(UdpLayer.ToIPFrame(convertional), packet);
if (ip == null)
{
return(false);
}
return(this.OnPrivateOutput(ip));
}
case ProtocolType.Tcp:
{
TcpFrame frame = TcpLayer.ParseFrame(packet, true);
if (frame == null)
{
return(false);
}
NATContext context = this.m_contextsTcp.PublicInput(frame.Source, frame.Destination);
if (context == null)
{
return(false);
}
else
{
TraceTcpNatContext(context, frame);
}
var convertional = new TcpFrame(frame.Source, context.Sources, frame.Payload)
{
Ttl = frame.Ttl,
AcknowledgeNo = frame.AcknowledgeNo,
Flags = frame.Flags,
SequenceNo = frame.SequenceNo,
WindowSize = frame.WindowSize,
Options = frame.Options,
UrgentPointer = frame.UrgentPointer,
};
IPFrame ip = CopyFrameHeaderParts(TcpLayer.ToIPFrame(convertional), packet);
if (ip == null)
{
return(false);
}
return(this.OnPrivateOutput(ip));
}
case ProtocolType.Icmp:
return(this.PublicIcmpInput(packet));
default:
return(false);
}
}
