feat: 完成jpeg后端

server/src/Peripherals/HdmiInClient.cs

@@ -12,7 +12,7 @@ static class HdmiInAddr
     public const UInt32 HdmiIn_READFIFO = BASE + 0x1;
 }
 
-class HdmiIn
+public class HdmiIn
 {
     private static readonly NLog.Logger logger = NLog.LogManager.GetCurrentClassLogger();