571 lines
18 KiB
JavaScript
571 lines
18 KiB
JavaScript
var janus = null;
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var streaming = [];
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function MonitorStream(monitorData) {
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this.id = monitorData.id;
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this.connKey = monitorData.connKey;
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this.auth_relay = auth_relay;
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this.auth_hash = auth_hash;
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this.url = monitorData.url;
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this.url_to_zms = monitorData.url_to_zms;
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this.width = monitorData.width;
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this.height = monitorData.height;
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this.janusEnabled = monitorData.janusEnabled;
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this.scale = 100;
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this.status = null;
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this.lastAlarmState = STATE_IDLE;
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this.streamCmdTimer = null;
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this.streamCmdParms = {
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view: 'request',
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request: 'stream',
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connkey: this.connKey
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};
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this.ajaxQueue = null;
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this.type = monitorData.type;
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this.refresh = monitorData.refresh;
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this.buttons = {}; // index by name
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this.setButton = function(name, element) {
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this.buttons.name = element;
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};
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this.element = null;
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this.getElement = function() {
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if (this.element) return this.element;
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this.element = document.getElementById('liveStream'+this.id);
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if (!this.element) {
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console.error("No img for #liveStream"+this.id);
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}
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return this.element;
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};
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this.getFrame = function() {
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if (this.frame) return this.frame;
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this.frame = document.getElementById('imageFeed'+this.id);
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if (!this.frame) {
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console.error("No frame div for #imageFeed"+this.id);
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}
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return this.frame;
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};
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/* if the img element didn't have a src, this would fill it in, causing it to show. */
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this.show = function() {
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const stream = this.getElement();
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if (!stream.src) {
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stream.src = this.url_to_zms+"&mode=single&scale=100&connkey="+this.connKey+this.auth_relay;
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}
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};
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this.setScale = function(newscale) {
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const img = this.getElement();
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if (!img) return;
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this.scale = newscale;
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const oldSrc = img.getAttribute('src');
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if (!oldSrc) {
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console.log('No src on img?!');
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console.log(img);
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return;
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}
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let newSrc = '';
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img.setAttribute('src', '');
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console.log("Scaling to: " + newscale);
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if (newscale == '0' || newscale == 'auto') {
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const bottomElement = document.getElementById('monitorState'+this.id);
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var newSize = scaleToFit(this.width, this.height, $j(img), $j(bottomElement));
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//console.log(newSize);
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newWidth = newSize.width;
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newHeight = newSize.height;
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autoScale = parseInt(newSize.autoScale);
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// This is so that we don't waste bandwidth and let the browser do all the scaling.
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if (autoScale > 100) autoScale = 100;
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if (autoScale) {
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newSrc = oldSrc.replace(/scale=\d+/i, 'scale='+autoScale);
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}
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} else {
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newWidth = this.width * newscale / SCALE_BASE;
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newHeight = this.height * newscale / SCALE_BASE;
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img.width(newWidth);
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img.height(newHeight);
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if (newscale > 100) newscale = 100;
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newSrc = oldSrc.replace(/scale=\d+/i, 'scale='+newscale);
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}
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img.setAttribute('src', newSrc);
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};
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this.start = function(delay) {
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if (this.janusEnabled) {
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var id = parseInt(this.id);
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var server;
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if (ZM_JANUS_PATH) {
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server = ZM_JANUS_PATH;
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} else if (window.location.protocol=='https:') {
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// Assume reverse proxy setup for now
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server = "https://" + window.location.hostname + "/janus";
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} else {
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server = "http://" + window.location.hostname + ":8088/janus";
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}
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if (janus == null) {
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Janus.init({debug: "all", callback: function() {
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janus = new Janus({server: server}); //new Janus
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}});
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}
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attachVideo(id);
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return;
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}
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const stream = this.getElement();
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if (!stream) return;
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if (!stream.src) {
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// Website Monitors won't have an img tag, neither will video
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console.log('No src for #liveStream'+this.id);
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console.log(stream);
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return;
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}
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// Step 1 make sure we are streaming instead of a static image
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src = stream.src.replace(/mode=single/i, 'mode=jpeg');
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if (-1 == src.search('connkey')) {
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src += '&connkey='+this.connKey;
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}
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if (stream.src != src) {
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console.log("Setting to streaming: " + src);
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stream.src = '';
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stream.src = src;
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}
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setTimeout(this.statusQuery.bind(this), delay);
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};
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this.stop = function() {
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if ( 0 ) {
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const stream = this.getElement();
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if (!stream) return;
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src = stream.src.replace(/mode=jpeg/i, 'mode=single');
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if (stream.src != src) {
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console.log("Setting to stopped");
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stream.src = '';
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stream.src = src;
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}
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}
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this.streamCommand(CMD_STOP);
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};
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this.pause = function() {
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this.streamCommand(CMD_PAUSE);
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};
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this.play = function() {
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this.streamCommand(CMD_PLAY);
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};
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this.eventHandler = function(event) {
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console.log(event);
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};
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this.onclick = function(evt) {
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console.log('onclick');
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};
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this.setup_onclick = function(func) {
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this.onclick = func;
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const el = this.getFrame();
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if (!el) return;
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el.addEventListener('click', this.onclick, false);
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};
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this.disable_onclick = function() {
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const el = this.getElement();
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if (!el) return;
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el.removeEventListener('click', this.onclick);
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};
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this.onpause = function() {
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console.log('onpause');
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};
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this.setup_onpause = function(func) {
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this.onpause = func;
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};
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this.onplay = null;
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this.setup_onplay = function(func) {
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this.onplay = func;
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};
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this.setStateClass = function(jobj, stateClass) {
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if (!jobj) {
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console.log("No obj in setStateClass");
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return;
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}
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if (!jobj.hasClass(stateClass)) {
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if (stateClass != 'alarm') jobj.removeClass('alarm');
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if (stateClass != 'alert') jobj.removeClass('alert');
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if (stateClass != 'idle') jobj.removeClass('idle');
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jobj.addClass(stateClass);
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}
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};
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this.setAlarmState = function(alarmState) {
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var stateClass = '';
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if (alarmState == STATE_ALARM) {
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stateClass = 'alarm';
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} else if (alarmState == STATE_ALERT) {
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stateClass = 'alert';
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}
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const stateValue = $j('#stateValue'+this.id);
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if (stateValue.length) {
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stateValue.text(stateStrings[alarmState]);
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if (stateClass) {
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stateValue.addClass(stateClass);
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} else {
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stateValue.removeClass();
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}
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} else {
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console.log("No statevalue");
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}
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//const monitorState = $j('#monitorState'+this.id);
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//if (monitorState.length) this.setStateClass(monitorState, stateClass);
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const isAlarmed = ( alarmState == STATE_ALARM || alarmState == STATE_ALERT );
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const wasAlarmed = ( this.lastAlarmState == STATE_ALARM || this.lastAlarmState == STATE_ALERT );
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const newAlarm = ( isAlarmed && !wasAlarmed );
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const oldAlarm = ( !isAlarmed && wasAlarmed );
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if (newAlarm) {
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if (SOUND_ON_ALARM) {
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// Enable the alarm sound
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if (!msieVer) {
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$j('#alarmSound').removeClass('hidden');
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} else {
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$j('#MediaPlayer').trigger('play');
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}
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}
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if (POPUP_ON_ALARM) {
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window.focus();
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}
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if (this.onalarm) {
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this.onalarm();
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}
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}
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if (oldAlarm) { // done with an event do a refresh
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if (SOUND_ON_ALARM) {
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// Disable alarm sound
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if (!msieVer) {
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$j('#alarmSound').addClass('hidden');
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} else {
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$j('#MediaPlayer').trigger('pause');
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}
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}
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if (this.onalarm) {
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this.onalarm();
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}
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}
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this.lastAlarmState = alarmState;
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}; // end function setAlarmState( currentAlarmState )
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this.onalarm = null;
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this.setup_onalarm = function(func) {
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this.onalarm = func;
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};
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this.onFailure = function(jqxhr, textStatus, error) {
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// Assuming temporary problem, retry in a bit.
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setTimeout(this.streamCmdQuery.bind(this), 1000*statusRefreshTimeout);
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logAjaxFail(jqxhr, textStatus, error);
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};
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this.getStreamCmdResponse = function(respObj, respText) {
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var stream = this.getElement();
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if (!stream) {
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return;
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}
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//watchdogOk('stream');
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if (this.streamCmdTimer) {
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this.streamCmdTimer = clearTimeout(this.streamCmdTimer);
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}
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if (respObj.result == 'Ok') {
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if (respObj.status) {
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const streamStatus = this.status = respObj.status;
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if ( (
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(typeof COMPACT_MONTAGE === 'undefined') ||
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!COMPACT_MONTAGE) &&
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(this.type != 'WebSite')
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) {
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const viewingFPSValue = $j('#viewingFPSValue'+this.id);
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const captureFPSValue = $j('#captureFPSValue'+this.id);
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const analysisFPSValue = $j('#analysisFPSValue'+this.id);
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if (viewingFPSValue.length && (viewingFPSValue.text != this.status.fps)) {
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viewingFPSValue.text(this.status.fps);
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}
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if (analysisFPSValue.length && (analysisFPSValue.text != this.status.analysisfps)) {
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analysisFPSValue.text(this.status.analysisfps);
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}
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if (captureFPSValue.length && (captureFPSValue.text != this.status.capturefps)) {
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captureFPSValue.text(this.status.capturefps);
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}
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const levelValue = $j('#levelValue');
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if (levelValue.length) {
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levelValue.text(this.status.level);
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var newClass = 'ok';
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if (this.status.level > 95) {
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newClass = 'alarm';
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} else if (this.status.level > 80) {
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newClass = 'alert';
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}
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levelValue.removeClass();
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levelValue.addClass(newClass);
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}
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const delayString = secsToTime(this.status.delay);
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if (this.status.paused == true) {
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$j('#modeValue'+this.id).text('Paused');
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$j('#rate'+this.id).addClass('hidden');
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$j('#delayValue'+this.id).text(delayString);
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$j('#delay'+this.id).removeClass('hidden');
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$j('#level'+this.id).removeClass('hidden');
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this.onpause();
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} else if (this.status.delayed == true) {
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$j('#modeValue'+this.id).text('Replay');
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$j('#rateValue'+this.id).text(this.status.rate);
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$j('#rate'+this.id).removeClass('hidden');
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$j('#delayValue'+this.id).text(delayString);
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$j('#delay'+this.id).removeClass('hidden');
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$j('#level'+this.id).removeClass('hidden');
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if (this.status.rate == 1) {
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if (this.onplay) this.onplay();
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} else if (this.status.rate > 0) {
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if (this.status.rate < 1) {
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streamCmdSlowFwd(false);
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} else {
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streamCmdFastFwd(false);
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}
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} else {
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if (this.status.rate > -1) {
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streamCmdSlowRev(false);
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} else {
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streamCmdFastRev(false);
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}
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} // rate
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} else {
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$j('#modeValue'+this.id).text('Live');
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$j('#rate'+this.id).addClass('hidden');
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$j('#delay'+this.id).addClass('hidden');
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$j('#level'+this.id).addClass('hidden');
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if (this.onplay) this.onplay();
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} // end if paused or delayed
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$j('#zoomValue'+this.id).text(this.status.zoom);
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if ('zoomOutBtn' in this.buttons) {
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if (this.status.zoom == '1.0') {
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setButtonState('zoomOutBtn', 'unavail');
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} else {
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setButtonState('zoomOutBtn', 'inactive');
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}
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}
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} // end if compact montage
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this.setAlarmState(this.status.state);
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if (canEdit.Monitors) {
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if (streamStatus.enabled) {
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if ('enableAlarmButton' in this.buttons) {
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this.buttons.enableAlarmButton.addClass('disabled');
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this.buttons.enableAlarmButton.prop('title', disableAlarmsStr);
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}
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if ('forceAlarmButton' in this.buttons) {
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if (streamStatus.forced) {
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this.buttons.forceAlarmButton.addClass('disabled');
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this.buttons.forceAlarmButton.prop('title', cancelForcedAlarmStr);
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} else {
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this.buttons.forceAlarmButton.removeClass('disabled');
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this.buttons.forceAlarmButton.prop('title', forceAlarmStr);
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}
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this.buttons.forceAlarmButton.prop('disabled', false);
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}
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} else {
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if ('enableAlarmButton' in this.buttons) {
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this.buttons.enableAlarmButton.removeClass('disabled');
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this.buttons.enableAlarmButton.prop('title', enableAlarmsStr);
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}
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if ('forceAlarmButton' in this.buttons) {
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this.buttons.forceAlarmButton.prop('disabled', true);
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}
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}
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if ('enableAlarmButton' in this.buttons) {
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this.buttons.enableAlarmButton.prop('disabled', false);
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}
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} // end if canEdit.Monitors
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if (this.status.auth) {
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if (this.status.auth != this.auth_hash) {
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// Try to reload the image stream.
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if (stream && stream.src) {
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const oldsrc = stream.src;
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stream.src = '';
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stream.src = oldsrc.replace(/auth=\w+/i, 'auth='+this.status.auth);
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}
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console.log("Changed auth from " + this.auth_hash + " to " + this.status.auth);
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this.auth_hash = this.status.auth;
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}
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} // end if have a new auth hash
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} // end if has state
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} else {
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console.error(respObj.message);
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// Try to reload the image stream.
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if (stream) {
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if (stream.src) {
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console.log('Reloading stream: ' + stream.src);
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src = stream.src.replace(/rand=\d+/i, 'rand='+Math.floor((Math.random() * 1000000) ));
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// Maybe navbar updated auth FIXME
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if (src != stream.src) {
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stream.src = src;
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} else {
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console.log("Failed to update rand on stream src");
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}
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}
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} else {
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console.log('No stream to reload?');
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}
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} // end if Ok or not
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};
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this.statusQuery = function() {
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this.streamCmdQuery(CMD_QUERY);
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setTimeout(this.statusQuery.bind(this), statusRefreshTimeout);
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};
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this.streamCmdQuery = function(resent) {
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//console.log("Starting CmdQuery for " + this.connKey );
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if ( this.type != 'WebSite' ) {
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this.streamCmdParms.command = CMD_QUERY;
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this.streamCmdReq(this.streamCmdParms);
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}
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};
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this.streamCommand = function(command) {
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if (typeof(command) == 'object') {
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for (const key in command) this.streamCmdParms[key] = command[key];
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} else {
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this.streamCmdParms.command = command;
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}
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this.streamCmdReq(this.streamCmdParms);
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};
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this.alarmCommand = function(command) {
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if (this.ajaxQueue) {
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this.ajaxQueue.abort();
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}
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const alarmCmdParms = Object.assign({}, this.streamCmdParms);
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alarmCmdParms.request = 'alarm';
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alarmCmdParms.command = command;
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alarmCmdParms.id = this.id;
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this.ajaxQueue = jQuery.ajaxQueue({
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url: this.url,
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data: alarmCmdParms, dataType: "json"})
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.done(this.getStreamCmdResponse.bind(this))
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.fail(this.onFailure.bind(this));
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};
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if (this.type != 'WebSite') {
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$j.ajaxSetup({timeout: AJAX_TIMEOUT});
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if (auth_hash) {
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this.streamCmdParms.auth = auth_hash;
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} else if ( auth_relay ) {
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this.streamCmdParms.auth_relay = '';
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}
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this.streamCmdReq = function(streamCmdParms) {
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if (this.ajaxQueue) {
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this.ajaxQueue.abort();
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}
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this.ajaxQueue = jQuery.ajaxQueue({url: this.url, data: streamCmdParms, dataType: "json"})
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.done(this.getStreamCmdResponse.bind(this))
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.fail(this.onFailure.bind(this));
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};
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}
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this.analyse_frames = true;
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this.show_analyse_frames = function(toggle) {
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this.analyse_frames = toggle;
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this.streamCmdParms.command = this.analyse_frames ? CMD_ANALYZE_ON : CMD_ANALYZE_OFF;
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this.streamCmdReq(this.streamCmdParms);
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};
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} // end function MonitorStream
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async function attachVideo(id) {
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await waitUntil(() => janus.isConnected() );
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janus.attach({
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plugin: "janus.plugin.streaming",
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opaqueId: "streamingtest-"+Janus.randomString(12),
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success: function(pluginHandle) {
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streaming[id] = pluginHandle;
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var body = {"request": "watch", "id": id};
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streaming[id].send({"message": body});
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},
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error: function(error) {
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|
Janus.error(" -- Error attaching plugin... ", error);
|
|
},
|
|
onmessage: function(msg, jsep) {
|
|
Janus.debug(" ::: Got a message :::");
|
|
Janus.debug(msg);
|
|
var result = msg["result"];
|
|
if (result !== null && result !== undefined) {
|
|
if (result["status"] !== undefined && result["status"] !== null) {
|
|
var status = result["status"];
|
|
Janus.debug(status);
|
|
}
|
|
} else if (msg["error"] !== undefined && msg["error"] !== null) {
|
|
return;
|
|
}
|
|
if (jsep !== undefined && jsep !== null) {
|
|
Janus.debug("Handling SDP as well...");
|
|
Janus.debug(jsep);
|
|
if ((navigator.userAgent.toLowerCase().indexOf('firefox') > -1) && (jsep["sdp"].includes("420029"))) { //because firefox devs are stubborn
|
|
jsep["sdp"] = jsep["sdp"].replace("420029", "42e01f");
|
|
}
|
|
// Offer from the plugin, let's answer
|
|
streaming[id].createAnswer({
|
|
jsep: jsep,
|
|
// We want recvonly audio/video and, if negotiated, datachannels
|
|
media: {audioSend: false, videoSend: false, data: true},
|
|
success: function(jsep) {
|
|
Janus.debug("Got SDP!");
|
|
Janus.debug(jsep);
|
|
var body = {"request": "start"};
|
|
streaming[id].send({"message": body, "jsep": jsep});
|
|
},
|
|
error: function(error) {
|
|
Janus.error("WebRTC error:", error);
|
|
}
|
|
});
|
|
}
|
|
}, //onmessage function
|
|
onremotestream: function(ourstream) {
|
|
Janus.debug(" ::: Got a remote track :::");
|
|
Janus.debug(ourstream);
|
|
Janus.attachMediaStream(document.getElementById("liveStream" + id), ourstream);
|
|
}
|
|
}); // janus.attach
|
|
} //function attachVideo
|
|
|
|
const waitUntil = (condition) => {
|
|
return new Promise((resolve) => {
|
|
const interval = setInterval(() => {
|
|
if (!condition()) {
|
|
return;
|
|
}
|
|
clearInterval(interval);
|
|
resolve();
|
|
}, 100);
|
|
});
|
|
};
|