From c59ba066b1437e98af10a413b9e0c29f0e443b26 Mon Sep 17 00:00:00 2001
From: Anton Tananaev <anton@traccar.org>
Date: Thu, 27 Oct 2022 17:56:32 -0700
Subject: Support Teltonika DualCam video

---
 .../traccar/protocol/DualcamProtocolDecoder.java   | 36 ++++++++++++++++------
 1 file changed, 27 insertions(+), 9 deletions(-)

diff --git a/src/main/java/org/traccar/protocol/DualcamProtocolDecoder.java b/src/main/java/org/traccar/protocol/DualcamProtocolDecoder.java
index c5835bc7d..e646c4e4a 100644
--- a/src/main/java/org/traccar/protocol/DualcamProtocolDecoder.java
+++ b/src/main/java/org/traccar/protocol/DualcamProtocolDecoder.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Anton Tananaev (anton@traccar.org)
+ * Copyright 2021 - 2022 Anton Tananaev (anton@traccar.org)
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -46,7 +46,8 @@ public class DualcamProtocolDecoder extends BaseProtocolDecoder {
     private String uniqueId;
     private int packetCount;
     private int currentPacket;
-    private ByteBuf photo;
+    private boolean video;
+    private ByteBuf media;
 
     @Override
     protected Object decode(
@@ -64,9 +65,22 @@ public class DualcamProtocolDecoder extends BaseProtocolDecoder {
                 long settings = buf.readUnsignedInt();
                 if (channel != null && deviceSession != null) {
                     ByteBuf response = Unpooled.buffer();
-                    if (BitUtil.between(settings, 26, 28) > 0) {
+                    if (BitUtil.between(settings, 26, 30) > 0) {
                         response.writeShort(MSG_FILE_REQUEST);
-                        String file = BitUtil.check(settings, 26) ? "%photof" : "%photor";
+                        String file;
+                        if (BitUtil.check(settings, 26)) {
+                            video = false;
+                            file = "%photof";
+                        } else if (BitUtil.check(settings, 27)) {
+                            video = false;
+                            file = "%photor";
+                        } else if (BitUtil.check(settings, 28)) {
+                            video = true;
+                            file = "%videof";
+                        } else {
+                            video = true;
+                            file = "%videor";
+                        }
                         response.writeShort(file.length());
                         response.writeCharSequence(file, StandardCharsets.US_ASCII);
                     } else {
@@ -79,7 +93,7 @@ public class DualcamProtocolDecoder extends BaseProtocolDecoder {
                 buf.readUnsignedShort(); // length
                 packetCount = buf.readInt();
                 currentPacket = 1;
-                photo = Unpooled.buffer();
+                media = Unpooled.buffer();
                 if (channel != null) {
                     ByteBuf response = Unpooled.buffer();
                     response.writeShort(MSG_RESUME);
@@ -90,17 +104,21 @@ public class DualcamProtocolDecoder extends BaseProtocolDecoder {
                 break;
             case MSG_DATA:
                 buf.readUnsignedShort(); // length
-                photo.writeBytes(buf, buf.readableBytes() - 2);
+                media.writeBytes(buf, buf.readableBytes() - 2);
                 if (currentPacket == packetCount) {
                     deviceSession = getDeviceSession(channel, remoteAddress);
                     Position position = new Position(getProtocolName());
                     position.setDeviceId(deviceSession.getDeviceId());
                     getLastLocation(position, null);
                     try {
-                        position.set(Position.KEY_IMAGE, writeMediaFile(uniqueId, photo, "jpg"));
+                        if (video) {
+                            position.set(Position.KEY_VIDEO, writeMediaFile(uniqueId, media, "h265"));
+                        } else {
+                            position.set(Position.KEY_IMAGE, writeMediaFile(uniqueId, media, "jpg"));
+                        }
                     } finally {
-                        photo.release();
-                        photo = null;
+                        media.release();
+                        media = null;
                     }
                     if (channel != null) {
                         ByteBuf response = Unpooled.buffer();
-- 
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