From 54e0ed6aa3fb39c344a2aaf68eb0b03967e912ef Mon Sep 17 00:00:00 2001
From: Anton Tananaev <anton.tananaev@gmail.com>
Date: Thu, 4 Nov 2021 23:10:03 -0700
Subject: Fix photo decoding

---
 src/main/java/org/traccar/protocol/DualcamProtocolDecoder.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/main/java/org/traccar/protocol/DualcamProtocolDecoder.java b/src/main/java/org/traccar/protocol/DualcamProtocolDecoder.java
index 390b8e705..457b5ae62 100644
--- a/src/main/java/org/traccar/protocol/DualcamProtocolDecoder.java
+++ b/src/main/java/org/traccar/protocol/DualcamProtocolDecoder.java
@@ -93,7 +93,7 @@ public class DualcamProtocolDecoder extends BaseProtocolDecoder {
                 break;
             case MSG_DATA:
                 buf.readUnsignedShort(); // length
-                photo.writeBytes(buf, buf.readableBytes());
+                photo.writeBytes(buf, buf.readableBytes() - 2);
                 if (currentPacket == packetCount) {
                     deviceSession = getDeviceSession(channel, remoteAddress);
                     Position position = new Position(getProtocolName());
-- 
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