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   1 /**
   2  * Copyright (c) 2010-2020 Contributors to the openHAB project
   3  *
   4  * See the NOTICE file(s) distributed with this work for additional
   5  * information.
   6  *
   7  * This program and the accompanying materials are made available under the
   8  * terms of the Eclipse Public License 2.0 which is available at
   9  * http://www.eclipse.org/legal/epl-2.0
  10  *
  11  * SPDX-License-Identifier: EPL-2.0
  12  */
  13
  14 package org.openhab.binding.ipcamera.internal;
  15
  16 import static org.openhab.binding.ipcamera.internal.IpCameraBindingConstants.*;
  17
  18 import java.nio.charset.StandardCharsets;
  19 import java.util.ArrayList;
  20
  21 import org.eclipse.jdt.annotation.NonNullByDefault;
  22 import org.eclipse.jdt.annotation.Nullable;
  23 import org.openhab.binding.ipcamera.internal.IpCameraBindingConstants.FFmpegFormat;
  24 import org.openhab.binding.ipcamera.internal.handler.IpCameraHandler;
  25 import org.openhab.core.library.types.DecimalType;
  26 import org.openhab.core.library.types.OnOffType;
  27 import org.openhab.core.library.types.StringType;
  28 import org.openhab.core.thing.ChannelUID;
  29 import org.openhab.core.thing.binding.ThingHandler;
  30 import org.openhab.core.types.Command;
  31 import org.openhab.core.types.RefreshType;
  32 import org.slf4j.Logger;
  33 import org.slf4j.LoggerFactory;
  34
  35 import io.netty.buffer.ByteBuf;
  36 import io.netty.buffer.Unpooled;
  37 import io.netty.channel.ChannelDuplexHandler;
  38 import io.netty.channel.ChannelHandlerContext;
  39 import io.netty.handler.codec.http.DefaultFullHttpRequest;
  40 import io.netty.handler.codec.http.FullHttpRequest;
  41 import io.netty.handler.codec.http.HttpHeaderNames;
  42 import io.netty.handler.codec.http.HttpHeaderValues;
  43 import io.netty.handler.codec.http.HttpMethod;
  44 import io.netty.handler.codec.http.HttpVersion;
  45 import io.netty.util.ReferenceCountUtil;
  46
  47 /**
  48  * The {@link HikvisionHandler} is responsible for handling commands, which are
  49  * sent to one of the channels.
  50  *
  51  * @author Matthew Skinner - Initial contribution
  52  */
  53
  54 @NonNullByDefault
  55 public class HikvisionHandler extends ChannelDuplexHandler {
  56     private final Logger logger = LoggerFactory.getLogger(getClass());
  57     private IpCameraHandler ipCameraHandler;
  58     private int nvrChannel;
  59     private int lineCount, vmdCount, leftCount, takenCount, faceCount, pirCount, fieldCount;
  60
  61     public HikvisionHandler(ThingHandler handler, int nvrChannel) {
  62         ipCameraHandler = (IpCameraHandler) handler;
  63         this.nvrChannel = nvrChannel;
  64     }
  65
  66     // This handles the incoming http replies back from the camera.
  67     @Override
  68     public void channelRead(@Nullable ChannelHandlerContext ctx, @Nullable Object msg) throws Exception {
  69         if (msg == null || ctx == null) {
  70             return;
  71         }
  72         String content = "";
  73         int debounce = 3;
  74         try {
  75             content = msg.toString();
  76             if (content.isEmpty()) {
  77                 return;
  78             }
  79             logger.trace("HTTP Result back from camera is \t:{}:", content);
  80
  81             if (content.contains("--boundary")) {// Alarm checking goes in here//
  82                 if (content.contains("<EventNotificationAlert version=\"")) {
  83                     if (content.contains("hannelID>" + nvrChannel + "</")) {// some camera use c or <dynChannelID>
  84                         if (content.contains("<eventType>linedetection</eventType>")) {
  85                             ipCameraHandler.motionDetected(CHANNEL_LINE_CROSSING_ALARM);
  86                             lineCount = debounce;
  87                         }
  88                         if (content.contains("<eventType>fielddetection</eventType>")) {
  89                             ipCameraHandler.motionDetected(CHANNEL_FIELD_DETECTION_ALARM);
  90                             fieldCount = debounce;
  91                         }
  92                         if (content.contains("<eventType>VMD</eventType>")) {
  93                             ipCameraHandler.motionDetected(CHANNEL_MOTION_ALARM);
  94                             vmdCount = debounce;
  95                         }
  96                         if (content.contains("<eventType>facedetection</eventType>")) {
  97                             ipCameraHandler.setChannelState(CHANNEL_FACE_DETECTED, OnOffType.ON);
  98                             faceCount = debounce;
  99                         }
 100                         if (content.contains("<eventType>unattendedBaggage</eventType>")) {
 101                             ipCameraHandler.setChannelState(CHANNEL_ITEM_LEFT, OnOffType.ON);
 102                             leftCount = debounce;
 103                         }
 104                         if (content.contains("<eventType>attendedBaggage</eventType>")) {
 105                             ipCameraHandler.setChannelState(CHANNEL_ITEM_TAKEN, OnOffType.ON);
 106                             takenCount = debounce;
 107                         }
 108                         if (content.contains("<eventType>PIR</eventType>")) {
 109                             ipCameraHandler.motionDetected(CHANNEL_PIR_ALARM);
 110                             pirCount = debounce;
 111                         }
 112                         if (content.contains("<eventType>videoloss</eventType>\r\n<eventState>inactive</eventState>")) {
 113                             if (vmdCount > 1) {
 114                                 vmdCount = 1;
 115                             }
 116                             countDown();
 117                             countDown();
 118                         }
 119                     } else if (content.contains("<channelID>0</channelID>")) {// NVR uses channel 0 to say all channels
 120                         if (content.contains("<eventType>videoloss</eventType>\r\n<eventState>inactive</eventState>")) {
 121                             if (vmdCount > 1) {
 122                                 vmdCount = 1;
 123                             }
 124                             countDown();
 125                             countDown();
 126                         }
 127                     }
 128                     countDown();
 129                 }
 130             } else {
 131                 String replyElement = Helper.fetchXML(content, "<?xml version=\"1.0\" encoding=\"UTF-8\"?>", "<");
 132                 switch (replyElement) {
 133                     case "MotionDetection version=":
 134                         ipCameraHandler.storeHttpReply(
 135                                 "/ISAPI/System/Video/inputs/channels/" + nvrChannel + "01/motionDetection", content);
 136                         if (content.contains("<enabled>true</enabled>")) {
 137                             ipCameraHandler.setChannelState(CHANNEL_ENABLE_MOTION_ALARM, OnOffType.ON);
 138                         } else if (content.contains("<enabled>false</enabled>")) {
 139                             ipCameraHandler.setChannelState(CHANNEL_ENABLE_MOTION_ALARM, OnOffType.OFF);
 140                         }
 141                         break;
 142                     case "IOInputPort version=":
 143                         ipCameraHandler.storeHttpReply("/ISAPI/System/IO/inputs/" + nvrChannel, content);
 144                         if (content.contains("<enabled>true</enabled>")) {
 145                             ipCameraHandler.setChannelState(CHANNEL_ENABLE_EXTERNAL_ALARM_INPUT, OnOffType.ON);
 146                         } else if (content.contains("<enabled>false</enabled>")) {
 147                             ipCameraHandler.setChannelState(CHANNEL_ENABLE_EXTERNAL_ALARM_INPUT, OnOffType.OFF);
 148                         }
 149                         if (content.contains("<triggering>low</triggering>")) {
 150                             ipCameraHandler.setChannelState(CHANNEL_TRIGGER_EXTERNAL_ALARM_INPUT, OnOffType.OFF);
 151                         } else if (content.contains("<triggering>high</triggering>")) {
 152                             ipCameraHandler.setChannelState(CHANNEL_TRIGGER_EXTERNAL_ALARM_INPUT, OnOffType.ON);
 153                         }
 154                         break;
 155                     case "LineDetection":
 156                         ipCameraHandler.storeHttpReply("/ISAPI/Smart/LineDetection/" + nvrChannel + "01", content);
 157                         if (content.contains("<enabled>true</enabled>")) {
 158                             ipCameraHandler.setChannelState(CHANNEL_ENABLE_LINE_CROSSING_ALARM, OnOffType.ON);
 159                         } else if (content.contains("<enabled>false</enabled>")) {
 160                             ipCameraHandler.setChannelState(CHANNEL_ENABLE_LINE_CROSSING_ALARM, OnOffType.OFF);
 161                         }
 162                         break;
 163                     case "TextOverlay version=":
 164                         ipCameraHandler.storeHttpReply(
 165                                 "/ISAPI/System/Video/inputs/channels/" + nvrChannel + "/overlays/text/1", content);
 166                         String text = Helper.fetchXML(content, "<enabled>true</enabled>", "<displayText>");
 167                         ipCameraHandler.setChannelState(CHANNEL_TEXT_OVERLAY, StringType.valueOf(text));
 168                         break;
 169                     case "AudioDetection version=":
 170                         ipCameraHandler.storeHttpReply("/ISAPI/Smart/AudioDetection/channels/" + nvrChannel + "01",
 171                                 content);
 172                         if (content.contains("<enabled>true</enabled>")) {
 173                             ipCameraHandler.setChannelState(CHANNEL_ENABLE_AUDIO_ALARM, OnOffType.ON);
 174                         } else if (content.contains("<enabled>false</enabled>")) {
 175                             ipCameraHandler.setChannelState(CHANNEL_ENABLE_AUDIO_ALARM, OnOffType.OFF);
 176                         }
 177                         break;
 178                     case "IOPortStatus version=":
 179                         if (content.contains("<ioState>active</ioState>")) {
 180                             ipCameraHandler.setChannelState(CHANNEL_EXTERNAL_ALARM_INPUT, OnOffType.ON);
 181                         } else if (content.contains("<ioState>inactive</ioState>")) {
 182                             ipCameraHandler.setChannelState(CHANNEL_EXTERNAL_ALARM_INPUT, OnOffType.OFF);
 183                         }
 184                         break;
 185                     case "FieldDetection version=":
 186                         ipCameraHandler.storeHttpReply("/ISAPI/Smart/FieldDetection/" + nvrChannel + "01", content);
 187                         if (content.contains("<enabled>true</enabled>")) {
 188                             ipCameraHandler.setChannelState(CHANNEL_ENABLE_FIELD_DETECTION_ALARM, OnOffType.ON);
 189                         } else if (content.contains("<enabled>false</enabled>")) {
 190                             ipCameraHandler.setChannelState(CHANNEL_ENABLE_FIELD_DETECTION_ALARM, OnOffType.OFF);
 191                         }
 192                         break;
 193                     case "ResponseStatus version=":
 194                         ////////////////// External Alarm Input ///////////////
 195                         if (content.contains(
 196                                 "<requestURL>/ISAPI/System/IO/inputs/" + nvrChannel + "/status</requestURL>")) {
 197                             // Stops checking the external alarm if camera does not have feature.
 198                             if (content.contains("<statusString>Invalid Operation</statusString>")) {
 199                                 ipCameraHandler.lowPriorityRequests.remove(0);
 200                                 ipCameraHandler.logger.debug(
 201                                         "Stopping checks for alarm inputs as camera appears to be missing this feature.");
 202                             }
 203                         }
 204                         break;
 205                     default:
 206                         if (content.contains("<EventNotificationAlert")) {
 207                             if (content.contains("hannelID>" + nvrChannel + "</")
 208                                     || content.contains("<channelID>0</channelID>")) {// some camera use c or
 209                                                                                       // <dynChannelID>
 210                                 if (content.contains(
 211                                         "<eventType>videoloss</eventType>\r\n<eventState>inactive</eventState>")) {
 212                                     if (vmdCount > 1) {
 213                                         vmdCount = 1;
 214                                     }
 215                                     countDown();
 216                                     countDown();
 217                                 }
 218                                 countDown();
 219                             }
 220                         } else {
 221                             logger.debug("Unhandled reply-{}.", content);
 222                         }
 223                         break;
 224                 }
 225             }
 226         } finally {
 227             ReferenceCountUtil.release(msg);
 228         }
 229     }
 230
 231     // This does debouncing of the alarms
 232     void countDown() {
 233         if (lineCount > 1) {
 234             lineCount--;
 235         } else if (lineCount == 1) {
 236             ipCameraHandler.setChannelState(CHANNEL_LINE_CROSSING_ALARM, OnOffType.OFF);
 237             lineCount--;
 238         }
 239         if (vmdCount > 1) {
 240             vmdCount--;
 241         } else if (vmdCount == 1) {
 242             ipCameraHandler.setChannelState(CHANNEL_MOTION_ALARM, OnOffType.OFF);
 243             vmdCount--;
 244         }
 245         if (leftCount > 1) {
 246             leftCount--;
 247         } else if (leftCount == 1) {
 248             ipCameraHandler.setChannelState(CHANNEL_ITEM_LEFT, OnOffType.OFF);
 249             leftCount--;
 250         }
 251         if (takenCount > 1) {
 252             takenCount--;
 253         } else if (takenCount == 1) {
 254             ipCameraHandler.setChannelState(CHANNEL_ITEM_TAKEN, OnOffType.OFF);
 255             takenCount--;
 256         }
 257         if (faceCount > 1) {
 258             faceCount--;
 259         } else if (faceCount == 1) {
 260             ipCameraHandler.setChannelState(CHANNEL_FACE_DETECTED, OnOffType.OFF);
 261             faceCount--;
 262         }
 263         if (pirCount > 1) {
 264             pirCount--;
 265         } else if (pirCount == 1) {
 266             ipCameraHandler.setChannelState(CHANNEL_PIR_ALARM, OnOffType.OFF);
 267             pirCount--;
 268         }
 269         if (fieldCount > 1) {
 270             fieldCount--;
 271         } else if (fieldCount == 1) {
 272             ipCameraHandler.setChannelState(CHANNEL_FIELD_DETECTION_ALARM, OnOffType.OFF);
 273             fieldCount--;
 274         }
 275         if (fieldCount == 0 && pirCount == 0 && faceCount == 0 && takenCount == 0 && leftCount == 0 && vmdCount == 0
 276                 && lineCount == 0) {
 277             ipCameraHandler.noMotionDetected(CHANNEL_MOTION_ALARM);
 278         }
 279     }
 280
 281     public void hikSendXml(String httpPutURL, String xml) {
 282         logger.trace("Body for PUT:{} is going to be:{}", httpPutURL, xml);
 283         FullHttpRequest request = new DefaultFullHttpRequest(HttpVersion.HTTP_1_1, new HttpMethod("PUT"), httpPutURL);
 284         request.headers().set(HttpHeaderNames.HOST, ipCameraHandler.cameraConfig.getIp());
 285         request.headers().set(HttpHeaderNames.CONNECTION, HttpHeaderValues.CLOSE);
 286         request.headers().add(HttpHeaderNames.CONTENT_TYPE, "application/xml; charset=\"UTF-8\"");
 287         ByteBuf bbuf = Unpooled.copiedBuffer(xml, StandardCharsets.UTF_8);
 288         request.headers().set(HttpHeaderNames.CONTENT_LENGTH, bbuf.readableBytes());
 289         request.content().clear().writeBytes(bbuf);
 290         ipCameraHandler.sendHttpPUT(httpPutURL, request);
 291     }
 292
 293     public void hikChangeSetting(String httpGetPutURL, String removeElement, String replaceRemovedElementWith) {
 294         ChannelTracking localTracker = ipCameraHandler.channelTrackingMap.get(httpGetPutURL);
 295         if (localTracker == null) {
 296             ipCameraHandler.sendHttpGET(httpGetPutURL);
 297             logger.debug(
 298                     "Did not have a reply stored before hikChangeSetting was run, try again shortly as a reply has just been requested.");
 299             return;
 300         }
 301         String body = localTracker.getReply();
 302         if (body.isEmpty()) {
 303             logger.debug(
 304                     "Did not have a reply stored before hikChangeSetting was run, try again shortly as a reply has just been requested.");
 305             ipCameraHandler.sendHttpGET(httpGetPutURL);
 306         } else {
 307             logger.trace("An OLD reply from the camera was:{}", body);
 308             if (body.contains("<?xml version=\"1.0\" encoding=\"UTF-8\"?>")) {
 309                 body = body.substring("<?xml version=\"1.0\" encoding=\"UTF-8\"?>".length());
 310             }
 311             int elementIndexStart = body.indexOf("<" + removeElement + ">");
 312             int elementIndexEnd = body.indexOf("</" + removeElement + ">");
 313             body = body.substring(0, elementIndexStart) + replaceRemovedElementWith
 314                     + body.substring(elementIndexEnd + removeElement.length() + 3, body.length());
 315             logger.trace("Body for this PUT is going to be:{}", body);
 316             localTracker.setReply(body);
 317             FullHttpRequest request = new DefaultFullHttpRequest(HttpVersion.HTTP_1_1, new HttpMethod("PUT"),
 318                     httpGetPutURL);
 319             request.headers().set(HttpHeaderNames.HOST, ipCameraHandler.cameraConfig.getIp());
 320             request.headers().set(HttpHeaderNames.CONNECTION, HttpHeaderValues.CLOSE);
 321             request.headers().add(HttpHeaderNames.CONTENT_TYPE, "application/xml; charset=\"UTF-8\"");
 322             ByteBuf bbuf = Unpooled.copiedBuffer(body, StandardCharsets.UTF_8);
 323             request.headers().set(HttpHeaderNames.CONTENT_LENGTH, bbuf.readableBytes());
 324             request.content().clear().writeBytes(bbuf);
 325             ipCameraHandler.sendHttpPUT(httpGetPutURL, request);
 326         }
 327     }
 328
 329     // This handles the commands that come from the Openhab event bus.
 330     public void handleCommand(ChannelUID channelUID, Command command) {
 331         if (command instanceof RefreshType) {
 332             switch (channelUID.getId()) {
 333                 case CHANNEL_ENABLE_AUDIO_ALARM:
 334                     ipCameraHandler.sendHttpGET("/ISAPI/Smart/AudioDetection/channels/" + nvrChannel + "01");
 335                     return;
 336                 case CHANNEL_ENABLE_LINE_CROSSING_ALARM:
 337                     ipCameraHandler.sendHttpGET("/ISAPI/Smart/LineDetection/" + nvrChannel + "01");
 338                     return;
 339                 case CHANNEL_ENABLE_FIELD_DETECTION_ALARM:
 340                     ipCameraHandler.logger.debug("FieldDetection command");
 341                     ipCameraHandler.sendHttpGET("/ISAPI/Smart/FieldDetection/" + nvrChannel + "01");
 342                     return;
 343                 case CHANNEL_ENABLE_MOTION_ALARM:
 344                     ipCameraHandler
 345                             .sendHttpGET("/ISAPI/System/Video/inputs/channels/" + nvrChannel + "01/motionDetection");
 346                     return;
 347                 case CHANNEL_TEXT_OVERLAY:
 348                     ipCameraHandler
 349                             .sendHttpGET("/ISAPI/System/Video/inputs/channels/" + nvrChannel + "/overlays/text/1");
 350                     return;
 351                 case CHANNEL_ENABLE_EXTERNAL_ALARM_INPUT:
 352                     ipCameraHandler.sendHttpGET("/ISAPI/System/IO/inputs/" + nvrChannel);
 353                     return;
 354                 case CHANNEL_TRIGGER_EXTERNAL_ALARM_INPUT:
 355                     ipCameraHandler.sendHttpGET("/ISAPI/System/IO/inputs/" + nvrChannel);
 356                     return;
 357             }
 358             return; // Return as we have handled the refresh command above and don't need to
 359                     // continue further.
 360         } // end of "REFRESH"
 361         switch (channelUID.getId()) {
 362             case CHANNEL_TEXT_OVERLAY:
 363                 logger.debug("Changing text overlay to {}", command.toString());
 364                 if (command.toString().isEmpty()) {
 365                     hikChangeSetting("/ISAPI/System/Video/inputs/channels/" + nvrChannel + "/overlays/text/1",
 366                             "enabled", "<enabled>false</enabled>");
 367                 } else {
 368                     hikChangeSetting("/ISAPI/System/Video/inputs/channels/" + nvrChannel + "/overlays/text/1",
 369                             "displayText", "<displayText>" + command.toString() + "</displayText>");
 370                     hikChangeSetting("/ISAPI/System/Video/inputs/channels/" + nvrChannel + "/overlays/text/1",
 371                             "enabled", "<enabled>true</enabled>");
 372                 }
 373                 return;
 374             case CHANNEL_ENABLE_EXTERNAL_ALARM_INPUT:
 375                 logger.debug("Changing enabled state of the external input 1 to {}", command.toString());
 376                 if (OnOffType.ON.equals(command)) {
 377                     hikChangeSetting("/ISAPI/System/IO/inputs/" + nvrChannel, "enabled", "<enabled>true</enabled>");
 378                 } else {
 379                     hikChangeSetting("/ISAPI/System/IO/inputs/" + nvrChannel, "enabled", "<enabled>false</enabled>");
 380                 }
 381                 return;
 382             case CHANNEL_TRIGGER_EXTERNAL_ALARM_INPUT:
 383                 logger.debug("Changing triggering state of the external input 1 to {}", command.toString());
 384                 if (OnOffType.OFF.equals(command)) {
 385                     hikChangeSetting("/ISAPI/System/IO/inputs/" + nvrChannel, "triggering",
 386                             "<triggering>low</triggering>");
 387                 } else {
 388                     hikChangeSetting("/ISAPI/System/IO/inputs/" + nvrChannel, "triggering",
 389                             "<triggering>high</triggering>");
 390                 }
 391                 return;
 392             case CHANNEL_ENABLE_PIR_ALARM:
 393                 if (OnOffType.ON.equals(command)) {
 394                     hikChangeSetting("/ISAPI/WLAlarm/PIR", "enabled", "<enabled>true</enabled>");
 395                 } else {
 396                     hikChangeSetting("/ISAPI/WLAlarm/PIR", "enabled", "<enabled>false</enabled>");
 397                 }
 398                 return;
 399             case CHANNEL_ENABLE_AUDIO_ALARM:
 400                 if (OnOffType.ON.equals(command)) {
 401                     hikChangeSetting("/ISAPI/Smart/AudioDetection/channels/" + nvrChannel + "01", "enabled",
 402                             "<enabled>true</enabled>");
 403                 } else {
 404                     hikChangeSetting("/ISAPI/Smart/AudioDetection/channels/" + nvrChannel + "01", "enabled",
 405                             "<enabled>false</enabled>");
 406                 }
 407                 return;
 408             case CHANNEL_ENABLE_LINE_CROSSING_ALARM:
 409                 if (OnOffType.ON.equals(command)) {
 410                     hikChangeSetting("/ISAPI/Smart/LineDetection/" + nvrChannel + "01", "enabled",
 411                             "<enabled>true</enabled>");
 412                 } else {
 413                     hikChangeSetting("/ISAPI/Smart/LineDetection/" + nvrChannel + "01", "enabled",
 414                             "<enabled>false</enabled>");
 415                 }
 416                 return;
 417             case CHANNEL_ENABLE_MOTION_ALARM:
 418                 if (OnOffType.ON.equals(command)) {
 419                     hikChangeSetting("/ISAPI/System/Video/inputs/channels/" + nvrChannel + "01/motionDetection",
 420                             "enabled", "<enabled>true</enabled>");
 421                 } else {
 422                     hikChangeSetting("/ISAPI/System/Video/inputs/channels/" + nvrChannel + "01/motionDetection",
 423                             "enabled", "<enabled>false</enabled>");
 424                 }
 425                 return;
 426             case CHANNEL_ENABLE_FIELD_DETECTION_ALARM:
 427                 if (OnOffType.ON.equals(command)) {
 428                     hikChangeSetting("/ISAPI/Smart/FieldDetection/" + nvrChannel + "01", "enabled",
 429                             "<enabled>true</enabled>");
 430                 } else {
 431                     hikChangeSetting("/ISAPI/Smart/FieldDetection/" + nvrChannel + "01", "enabled",
 432                             "<enabled>false</enabled>");
 433                 }
 434                 return;
 435             case CHANNEL_ACTIVATE_ALARM_OUTPUT:
 436                 if (OnOffType.ON.equals(command)) {
 437                     hikSendXml("/ISAPI/System/IO/outputs/" + nvrChannel + "/trigger",
 438                             "<IOPortData version=\"1.0\" xmlns=\"http://www.hikvision.com/ver10/XMLSchema\">\r\n    <outputState>high</outputState>\r\n</IOPortData>\r\n");
 439                 } else {
 440                     hikSendXml("/ISAPI/System/IO/outputs/" + nvrChannel + "/trigger",
 441                             "<IOPortData version=\"1.0\" xmlns=\"http://www.hikvision.com/ver10/XMLSchema\">\r\n    <outputState>low</outputState>\r\n</IOPortData>\r\n");
 442                 }
 443                 return;
 444             case CHANNEL_FFMPEG_MOTION_CONTROL:
 445                 if (OnOffType.ON.equals(command)) {
 446                     ipCameraHandler.motionAlarmEnabled = true;
 447                 } else if (OnOffType.OFF.equals(command) || DecimalType.ZERO.equals(command)) {
 448                     ipCameraHandler.motionAlarmEnabled = false;
 449                     ipCameraHandler.noMotionDetected(CHANNEL_MOTION_ALARM);
 450                 } else {
 451                     ipCameraHandler.motionAlarmEnabled = true;
 452                     ipCameraHandler.motionThreshold = Double.valueOf(command.toString());
 453                     ipCameraHandler.motionThreshold = ipCameraHandler.motionThreshold / 10000;
 454                 }
 455                 ipCameraHandler.setupFfmpegFormat(FFmpegFormat.RTSP_ALARMS);
 456                 return;
 457         }
 458     }
 459
 460     // If a camera does not need to poll a request as often as snapshots, it can be
 461     // added here. Binding steps through the list.
 462     public ArrayList<String> getLowPriorityRequests() {
 463         ArrayList<String> lowPriorityRequests = new ArrayList<String>(1);
 464         lowPriorityRequests.add("/ISAPI/System/IO/inputs/" + nvrChannel + "/status"); // must stay in element 0.
 465         return lowPriorityRequests;
 466     }
 467 }