zoneminder/web/js/MonitorStream.js

1033 lines
36 KiB
JavaScript

var janus = null;
const streaming = [];
function MonitorStream(monitorData) {
this.id = monitorData.id;
this.connKey = monitorData.connKey;
this.auth_relay = auth_relay;
this.auth_hash = auth_hash;
this.url = monitorData.url;
this.url_to_zms = monitorData.url_to_zms;
this.width = monitorData.width;
this.height = monitorData.height;
this.RTSP2WebEnabled = monitorData.RTSP2WebEnabled;
this.RTSP2WebType = monitorData.RTSP2WebType;
this.mseStreamingStarted = false;
this.mseQueue = [];
this.mseSourceBuffer = null;
this.janusEnabled = monitorData.janusEnabled;
this.janusPin = monitorData.janus_pin;
this.server_id = monitorData.server_id;
this.scale = 100;
this.status = {capturefps: 0, analysisfps: 0}; // json object with alarmstatus, fps etc
this.lastAlarmState = STATE_IDLE;
this.statusCmdTimer = null; // timer for requests using ajax to get monitor status
this.statusCmdParms = {
view: 'request',
request: 'status',
connkey: this.connKey
};
this.streamCmdTimer = null; // timer for requests to zms for status
this.streamCmdParms = {
view: 'request',
request: 'stream',
connkey: this.connKey
};
this.ajaxQueue = null;
this.type = monitorData.type;
this.refresh = monitorData.refresh;
this.buttons = {}; // index by name
this.setButton = function(name, element) {
this.buttons[name] = element;
};
this.bottomElement = null;
this.setBottomElement = function(e) {
if (!e) {
console.error("Empty bottomElement");
}
this.bottomElement = e;
};
this.img_onerror = function() {
console.log('Image stream has been stoppd! stopping streamCmd');
this.streamCmdTimer = clearInterval(this.streamCmdTimer);
};
this.img_onload = function() {
if (!this.streamCmdTimer) {
console.log('Image stream has loaded! starting streamCmd for '+this.connKey+' in '+statusRefreshTimeout + 'ms');
this.streamCmdTimer = setInterval(this.streamCmdQuery.bind(this), statusRefreshTimeout);
}
};
this.element = null;
this.getElement = function() {
if (this.element) return this.element;
this.element = document.getElementById('liveStream'+this.id);
if (!this.element) {
console.error("No img for #liveStream"+this.id);
}
return this.element;
};
this.getFrame = function() {
if (this.frame) return this.frame;
this.frame = document.getElementById('imageFeed'+this.id);
if (!this.frame) {
console.error("No frame div for #imageFeed"+this.id);
}
return this.frame;
};
/* if the img element didn't have a src, this would fill it in, causing it to show. */
this.show = function() {
const stream = this.getElement();
if (!stream.src) {
stream.src = this.url_to_zms+"&mode=single&scale="+this.scale+"&connkey="+this.connKey+this.auth_relay;
}
};
/* scale should be '0' for auto, or an integer value
* width should be auto, 100%, integer +px
* height should be auto, 100%, integer +px
* param.resizeImg be boolean (added only for using GridStack & PanZoom on Montage page)
* param.scaleImg scaling 1=100% (added only for using PanZoom on Montage & Watch page)
* */
this.setScale = function(newscale, width, height, param = {}) {
const img = this.getElement();
const newscaleSelect = newscale;
if (!img) {
console.log('No img in setScale');
return;
}
// Scale the frame
monitor_frame = $j('#monitor'+this.id);
if (!monitor_frame) {
console.log('Error finding frame');
return;
}
if (((newscale == '0') || (newscale == 0) || (newscale=='auto')) && (width=='auto' || !width)) {
if (!this.bottomElement) {
if (param.scaleImg) {
newscale = Math.floor(100*monitor_frame.width() / this.width * param.scaleImg);
} else {
newscale = Math.floor(100*monitor_frame.width() / this.width);
}
// We don't want to change the existing css, cuz it might be 59% or 123px or auto;
width = monitor_frame.css('width');
height = Math.round(parseInt(this.height) * newscale / 100)+'px';
} else {
const newSize = scaleToFit(this.width, this.height, $j(img), $j(this.bottomElement), $j('#wrapperMonitor'));
width = newSize.width+'px';
height = newSize.height+'px';
if (param.scaleImg) {
newscale = parseInt(newSize.autoScale * param.scaleImg);
} else {
newscale = parseInt(newSize.autoScale);
}
if (newscale < 25) newscale = 25; // Arbitrary. 4k shown on 1080p screen looks terrible
}
} else if (parseInt(width) || parseInt(height)) {
if (width) {
if (width.search('px') != -1) {
newscale = parseInt(100*parseInt(width)/this.width);
} else { // %
// Set it, then get the calculated width
if (param.resizeImg) {
monitor_frame.css('width', width);
}
newscale = parseInt(100*parseInt(monitor_frame.width())/this.width);
}
} else if (height) {
newscale = parseInt(100*parseInt(height)/this.height);
width = parseInt(this.width * newscale / 100)+'px';
}
} else {
// a numeric scale, must take actual monitor dimensions and calculate
width = Math.round(parseInt(this.width) * newscale / 100)+'px';
height = Math.round(parseInt(this.height) * newscale / 100)+'px';
}
if (width && (width != '0px') && (img.style.width.search('%') == -1)) {
if (param.resizeImg) {
monitor_frame.css('width', parseInt(width));
}
}
if (param.resizeImg) {
if (img.style.width) img.style.width = '100%';
if (height && height != '0px') img.style.height = height;
} else { //This code will not be needed when using GridStack & PanZoom on Montage page. Only required when trying to use "scaleControl"
if (newscaleSelect != 0) {
img.style.width = 'auto';
$j(img).closest('.monitorStream')[0].style.overflow = 'auto';
} else {
//const monitor_stream = $j(img).closest('.monitorStream');
//const realWidth = monitor_stream.attr('data-width');
//const realHeight = monitor_stream.attr('data-height');
//const ratio = realWidth / realHeight;
//const imgWidth = $j(img)[0].offsetWidth + 4; // including border
img.style.width = '100%';
$j(img).closest('.monitorStream')[0].style.overflow = 'hidden';
}
}
this.setStreamScale(newscale);
}; // setScale
this.setStreamScale = function(newscale) {
const img = this.getElement();
if (!img) {
console.log("No img in setScale");
return;
}
const stream_frame = $j('#monitor'+this.id);
if (!newscale) {
newscale = parseInt(100*parseInt(stream_frame.width())/this.width);
}
if (newscale > 100) newscale = 100; // we never request a larger image, as it just wastes bandwidth
if (newscale < 25) newscale = 25; // Arbitrary, lower values look bad
if (newscale <= 0) newscale = 100;
this.scale = newscale;
if (this.connKey) {
/* Can just tell it to scale, in fact will happen automatically on next query */
} else {
if (img.nodeName == 'IMG') {
const oldSrc = img.src;
if (!oldSrc) {
console.log('No src on img?!', img);
return;
}
const newSrc = oldSrc.replace(/scale=\d+/i, 'scale='+newscale);
if (newSrc != oldSrc) {
this.streamCmdTimer = clearTimeout(this.streamCmdTimer);
// We know that only the first zms will get the command because the
// second can't open the commandQueue until the first exits
// This is necessary because safari will never close the first image
if (-1 != img.src.search('connkey') && -1 != img.src.search('mode=single')) {
this.streamCommand(CMD_QUIT);
}
console.log("Changing src from " + img.src + " to " + newSrc + 'refresh timeout:' + statusRefreshTimeout);
img.src = '';
img.src = newSrc;
this.streamCmdTimer = setInterval(this.streamCmdQuery.bind(this), statusRefreshTimeout);
}
}
}
}; // setStreamScale
this.start = function(delay=500) {
if (this.janusEnabled) {
let server;
if (ZM_JANUS_PATH) {
server = ZM_JANUS_PATH;
} else if (this.server_id && Servers[this.server_id]) {
server = Servers[this.server_id].urlToJanus();
} else if (window.location.protocol=='https:') {
// Assume reverse proxy setup for now
server = "https://" + window.location.hostname + "/janus";
} else {
server = "http://" + window.location.hostname + "/janus";
}
if (janus == null) {
Janus.init({debug: "all", callback: function() {
janus = new Janus({server: server}); //new Janus
}});
}
attachVideo(parseInt(this.id), this.janusPin);
this.statusCmdTimer = setInterval(this.statusCmdQuery.bind(this), delay);
return;
}
if (this.RTSP2WebEnabled) {
if (ZM_RTSP2WEB_PATH) {
videoEl = document.getElementById("liveStream" + this.id);
const url = new URL(ZM_RTSP2WEB_PATH);
const useSSL = (url.protocol == 'https');
rtsp2webModUrl = url;
rtsp2webModUrl.username = '';
rtsp2webModUrl.password = '';
//.urlParts.length > 1 ? urlParts[1] : urlParts[0]; // drop the username and password for viewing
if (this.RTSP2WebType == 'HLS') {
hlsUrl = rtsp2webModUrl;
hlsUrl.pathname = "/stream/" + this.id + "/channel/0/hls/live/index.m3u8";
/*
if (useSSL) {
hlsUrl = "https://" + rtsp2webModUrl + "/stream/" + this.id + "/channel/0/hls/live/index.m3u8";
} else {
hlsUrl = "http://" + rtsp2webModUrl + "/stream/" + this.id + "/channel/0/hls/live/index.m3u8";
}
*/
if (Hls.isSupported()) {
const hls = new Hls();
hls.loadSource(hlsUrl.href);
hls.attachMedia(videoEl);
} else if (video.canPlayType('application/vnd.apple.mpegurl')) {
videoEl.src = hlsUrl.href;
}
} else if (this.RTSP2WebType == 'MSE') {
videoEl.addEventListener('pause', () => {
if (videoEl.currentTime > videoEl.buffered.end(videoEl.buffered.length - 1)) {
videoEl.currentTime = videoEl.buffered.end(videoEl.buffered.length - 1) - 0.1;
videoEl.play();
}
});
mseUrl = rtsp2webModUrl;
mseUrl.protocol = useSSL ? 'wss' : 'ws';
mseUrl.pathname = "/stream/" + this.id + "/channel/0/mse?uuid=" + this.id + "&channel=0";
console.log(mseUrl.href);
startMsePlay(this, videoEl, mseUrl.href);
} else if (this.RTSP2WebType == 'WebRTC') {
webrtcUrl = rtsp2webModUrl;
webrtcUrl.pathname = "/stream/" + this.id + "/channel/0/webrtc";
console.log(webrtcUrl.href);
startRTSP2WebPlay(videoEl, webrtcUrl.href);
}
this.statusCmdTimer = setInterval(this.statusCmdQuery.bind(this), delay);
return;
} else {
console.log("ZM_RTSP2WEB_PATH is empty. Go to Options->System and set ZM_RTSP2WEB_PATH accordingly.");
}
}
// zms stream
const stream = this.getElement();
if (!stream) return;
if (!stream.src) {
// Website Monitors won't have an img tag, neither will video
console.log('No src for #liveStream'+this.id);
console.log(stream);
return;
}
this.streamCmdTimer = clearTimeout(this.streamCmdTimer);
// Step 1 make sure we are streaming instead of a static image
if (stream.getAttribute('loading') == 'lazy') {
stream.setAttribute('loading', 'eager');
}
src = stream.src.replace(/mode=single/i, 'mode=jpeg');
if (-1 == src.search('connkey')) {
src += '&connkey='+this.connKey;
}
if (stream.src != src) {
console.log("Setting to streaming: " + src);
stream.src = '';
stream.src = src;
}
stream.onerror = this.img_onerror.bind(this);
stream.onload = this.img_onload.bind(this);
}; // this.start
this.stop = function() {
if ( 0 ) {
const stream = this.getElement();
if (!stream) return;
src = stream.src.replace(/mode=jpeg/i, 'mode=single');
if (stream.src != src) {
stream.src = '';
stream.src = src;
}
}
this.streamCommand(CMD_STOP);
this.statusCmdTimer = clearInterval(this.statusCmdTimer);
this.streamCmdTimer = clearInterval(this.streamCmdTimer);
};
this.kill = function() {
if (janus) {
if (streaming[this.id]) {
streaming[this.id].detach();
}
}
const stream = this.getElement();
if (!stream) return;
stream.onerror = null;
stream.onload = null;
this.stop();
if (this.ajaxQueue) {
console.log("Aborting in progress ajax for kill");
// Doing this for responsiveness, but we could be aborting something important. Need smarter logic
this.ajaxQueue.abort();
}
this.statusCmdTimer = clearInterval(this.statusCmdTimer);
this.streamCmdTimer = clearInterval(this.streamCmdTimer);
};
this.pause = function() {
this.streamCommand(CMD_PAUSE);
};
this.play = function() {
this.streamCommand(CMD_PLAY);
};
this.eventHandler = function(event) {
console.log(event);
};
this.onclick = function(evt) {
console.log('onclick');
};
this.onmove = function(evt) {
console.log('onmove');
};
this.setup_onclick = function(func) {
if (func) {
this.onclick = func;
}
if (this.onclick) {
const el = this.getFrame();
if (!el) return;
el.addEventListener('click', this.onclick, false);
}
};
this.setup_onmove = function(func) {
if (func) {
this.onmove = func;
}
if (this.onmove) {
const el = this.getFrame();
if (!el) return;
el.addEventListener('mousemove', this.onmove, false);
}
};
this.disable_onclick = function() {
const el = this.getElement();
if (!el) return;
el.removeEventListener('click', this.onclick);
};
this.onpause = function() {
console.log('onpause');
};
this.setup_onpause = function(func) {
this.onpause = func;
};
this.onplay = null;
this.setup_onplay = function(func) {
this.onplay = func;
};
this.setStateClass = function(jobj, stateClass) {
if (!jobj) {
console.log("No obj in setStateClass");
return;
}
if (!jobj.hasClass(stateClass)) {
if (stateClass != 'alarm') jobj.removeClass('alarm');
if (stateClass != 'alert') jobj.removeClass('alert');
if (stateClass != 'idle') jobj.removeClass('idle');
jobj.addClass(stateClass);
}
};
this.setAlarmState = function(alarmState) {
let stateClass = '';
if (alarmState == STATE_ALARM) {
stateClass = 'alarm';
} else if (alarmState == STATE_ALERT) {
stateClass = 'alert';
}
const stateValue = $j('#stateValue'+this.id);
if (stateValue.length) {
if (stateValue.text() != stateStrings[alarmState]) {
stateValue.text(stateStrings[alarmState]);
this.setStateClass(stateValue, stateClass);
}
}
const monitorFrame = $j('#monitor'+this.id);
if (monitorFrame.length) this.setStateClass(monitorFrame, stateClass);
const isAlarmed = ( alarmState == STATE_ALARM || alarmState == STATE_ALERT );
const wasAlarmed = ( this.lastAlarmState == STATE_ALARM || this.lastAlarmState == STATE_ALERT );
const newAlarm = ( isAlarmed && !wasAlarmed );
const oldAlarm = ( !isAlarmed && wasAlarmed );
if (newAlarm) {
if (ZM_WEB_SOUND_ON_ALARM !== '0') {
console.log('Attempting to play alarm sound');
if (ZM_DIR_SOUNDS != '' && ZM_WEB_ALARM_SOUND != '') {
const sound = new Audio(ZM_DIR_SOUNDS+'/'+ZM_WEB_ALARM_SOUND);
sound.play();
} else {
console.log("You must specify ZM_DIR_SOUNDS and ZM_WEB_ALARM_SOUND as well");
}
}
if (ZM_WEB_POPUP_ON_ALARM) {
window.focus();
}
if (this.onalarm) {
this.onalarm();
}
}
if (oldAlarm) { // done with an event do a refresh
if (this.onalarm) {
this.onalarm();
}
}
this.lastAlarmState = alarmState;
}; // end function setAlarmState( currentAlarmState )
this.onalarm = null;
this.setup_onalarm = function(func) {
this.onalarm = func;
};
this.onFailure = function(jqxhr, textStatus, error) {
// Assuming temporary problem, retry in a bit.
if (error == 'abort') {
console.log('have abort, will trust someone else to start us back up');
} else if (error == 'Unauthorized') {
window.location.reload();
} else {
logAjaxFail(jqxhr, textStatus, error);
}
};
this.getStreamCmdResponse = function(respObj, respText) {
const stream = this.getElement();
if (!stream) return;
//watchdogOk('stream');
//this.streamCmdTimer = clearTimeout(this.streamCmdTimer);
if (respObj.result == 'Ok') {
if (respObj.status) {
const streamStatus = this.status = respObj.status;
if (this.type != 'WebSite') {
const viewingFPSValue = $j('#viewingFPSValue'+this.id);
const captureFPSValue = $j('#captureFPSValue'+this.id);
const analysisFPSValue = $j('#analysisFPSValue'+this.id);
this.status.fps = this.status.fps.toLocaleString(undefined, {minimumFractionDigits: 1, maximumFractionDigits: 1});
if (viewingFPSValue.length && (viewingFPSValue.text != this.status.fps)) {
viewingFPSValue.text(this.status.fps);
}
this.status.analysisfps = this.status.analysisfps.toLocaleString(undefined, {minimumFractionDigits: 1, maximumFractionDigits: 1});
if (analysisFPSValue.length && (analysisFPSValue.text != this.status.analysisfps)) {
analysisFPSValue.text(this.status.analysisfps);
}
this.status.capturefps = this.status.capturefps.toLocaleString(undefined, {minimumFractionDigits: 1, maximumFractionDigits: 1});
if (captureFPSValue.length && (captureFPSValue.text != this.status.capturefps)) {
captureFPSValue.text(this.status.capturefps);
}
const levelValue = $j('#levelValue');
if (levelValue.length) {
levelValue.text(this.status.level);
var newClass = 'ok';
if (this.status.level > 95) {
newClass = 'alarm';
} else if (this.status.level > 80) {
newClass = 'alert';
}
levelValue.removeClass();
levelValue.addClass(newClass);
}
const delayString = secsToTime(this.status.delay);
if (this.status.paused == true) {
$j('#modeValue'+this.id).text('Paused');
$j('#rate'+this.id).addClass('hidden');
$j('#delayValue'+this.id).text(delayString);
$j('#delay'+this.id).removeClass('hidden');
$j('#level'+this.id).removeClass('hidden');
this.onpause();
} else if (this.status.delayed == true) {
$j('#modeValue'+this.id).text('Replay');
$j('#rateValue'+this.id).text(this.status.rate);
$j('#rate'+this.id).removeClass('hidden');
$j('#delayValue'+this.id).text(delayString);
$j('#delay'+this.id).removeClass('hidden');
$j('#level'+this.id).removeClass('hidden');
if (this.status.rate == 1) {
if (this.onplay) this.onplay();
} else if (this.status.rate > 0) {
if (this.status.rate < 1) {
streamCmdSlowFwd(false);
} else {
streamCmdFastFwd(false);
}
} else {
if (this.status.rate > -1) {
streamCmdSlowRev(false);
} else {
streamCmdFastRev(false);
}
} // rate
} else {
$j('#modeValue'+this.id).text('Live');
$j('#rate'+this.id).addClass('hidden');
$j('#delay'+this.id).addClass('hidden');
$j('#level'+this.id).addClass('hidden');
if (this.onplay) this.onplay();
} // end if paused or delayed
if ((this.status.scale !== undefined) && (this.status.scale !== undefined) && (this.status.scale != this.scale)) {
if (this.status.scale != 0) {
console.log("Stream not scaled, re-applying", this.scale, this.status.scale);
this.streamCommand({command: CMD_SCALE, scale: this.scale});
}
}
$j('#zoomValue'+this.id).text(this.status.zoom);
if (this.status.zoom == '1.0') {
$j('#zoom'+this.id).addClass('hidden');
}
if ('zoomOutBtn' in this.buttons) {
if (this.status.zoom == '1.0') {
setButtonState('zoomOutBtn', 'unavail');
} else {
setButtonState('zoomOutBtn', 'inactive');
}
}
} // end if compact montage
this.setAlarmState(this.status.state);
if (canEdit.Monitors) {
if (streamStatus.enabled) {
if ('enableAlarmButton' in this.buttons) {
if (!this.buttons.enableAlarmButton.hasClass('disabled')) {
this.buttons.enableAlarmButton.addClass('disabled');
this.buttons.enableAlarmButton.prop('title', disableAlarmsStr);
}
}
if ('forceAlarmButton' in this.buttons) {
if (streamStatus.forced) {
if (! this.buttons.forceAlarmButton.hasClass('disabled')) {
this.buttons.forceAlarmButton.addClass('disabled');
this.buttons.forceAlarmButton.prop('title', cancelForcedAlarmStr);
}
} else {
if (this.buttons.forceAlarmButton.hasClass('disabled')) {
this.buttons.forceAlarmButton.removeClass('disabled');
this.buttons.forceAlarmButton.prop('title', forceAlarmStr);
}
}
this.buttons.forceAlarmButton.prop('disabled', false);
}
} else {
if ('enableAlarmButton' in this.buttons) {
this.buttons.enableAlarmButton.removeClass('disabled');
this.buttons.enableAlarmButton.prop('title', enableAlarmsStr);
}
if ('forceAlarmButton' in this.buttons) {
this.buttons.forceAlarmButton.prop('disabled', true);
}
}
if ('enableAlarmButton' in this.buttons) {
this.buttons.enableAlarmButton.prop('disabled', false);
}
} // end if canEdit.Monitors
if (this.status.auth) {
if (this.status.auth != this.auth_hash) {
// Don't reload the stream because it causes annoying flickering. Wait until the stream breaks.
console.log("Changed auth from " + this.auth_hash + " to " + this.status.auth);
this.streamCmdParms.auth = auth_hash = this.auth_hash = this.status.auth;
}
} // end if have a new auth hash
} // end if has state
} else {
console.error(respObj.message);
// Try to reload the image stream.
if (stream.src) {
console.log('Reloading stream: ' + stream.src);
src = stream.src.replace(/rand=\d+/i, 'rand='+Math.floor((Math.random() * 1000000) ));
src = src.replace(/auth=\w+/i, 'auth='+this.auth_hash);
// Maybe updated auth
if (src != stream.src) {
stream.src = '';
stream.src = src;
} else {
console.log("Failed to update rand on stream src");
}
}
} // end if Ok or not
};
/* getStatusCmd is used when not streaming, since there is no persistent zms */
this.getStatusCmdResponse=function(respObj, respText) {
//watchdogOk('status');
if (respObj.result == 'Ok') {
const monitorStatus = respObj.monitor.Status;
const captureFPSValue = $j('#captureFPSValue'+this.id);
const analysisFPSValue = $j('#analysisFPSValue'+this.id);
const viewingFPSValue = $j('#viewingFPSValue'+this.id);
const monitor = respObj.monitor;
if (monitor.FrameRate) {
const fpses = monitor.FrameRate.split(",");
fpses.forEach(function(fps) {
const name_values = fps.split(':');
const name = name_values[0].trim();
const value = name_values[1].trim().toLocaleString(undefined, {minimumFractionDigits: 1, maximumFractionDigits: 1});
if (name == 'analysis') {
this.status.analysisfps = value;
if (analysisFPSValue.length && (analysisFPSValue.text() != value)) {
analysisFPSValue.text(value);
}
} else if (name == 'capture') {
if (captureFPSValue.length && (captureFPSValue.text() != value)) {
captureFPSValue.text(value);
}
} else {
console.log("Unknown fps name " + name);
}
});
} else {
if (analysisFPSValue.length && (analysisFPSValue.text() != monitor.AnalysisFPS)) {
analysisFPSValue.text(monitor.AnalysisFPS);
}
if (captureFPSValue.length && (captureFPSValue.text() != monitor.CaptureFPS)) {
captureFPSValue.text(monitor.CaptureFPS);
}
if (viewingFPSValue.length && viewingFPSValue.text() == '') {
$j('#viewingFPS'+this.id).hide();
}
}
if (canEdit.Monitors) {
if (monitorStatus.enabled) {
if ('enableAlarmButton' in this.buttons) {
if (!this.buttons.enableAlarmButton.hasClass('disabled')) {
this.buttons.enableAlarmButton.addClass('disabled');
this.buttons.enableAlarmButton.prop('title', disableAlarmsStr);
}
}
if ('forceAlarmButton' in this.buttons) {
if (monitorStatus.forced) {
if (!this.buttons.forceAlarmButton.hasClass('disabled')) {
this.buttons.forceAlarmButton.addClass('disabled');
this.buttons.forceAlarmButton.prop('title', cancelForcedAlarmStr);
}
} else {
if (this.buttons.forceAlarmButton.hasClass('disabled')) {
this.buttons.forceAlarmButton.removeClass('disabled');
this.buttons.forceAlarmButton.prop('title', forceAlarmStr);
}
}
this.buttons.forceAlarmButton.prop('disabled', false);
}
} else {
if ('enableAlarmButton' in this.buttons) {
this.buttons.enableAlarmButton.removeClass('disabled');
this.buttons.enableAlarmButton.prop('title', enableAlarmsStr);
}
if ('forceAlarmButton' in this.buttons) {
this.buttons.forceAlarmButton.prop('disabled', true);
}
}
if ('enableAlarmButton' in this.buttons) {
this.buttons.enableAlarmButton.prop('disabled', false);
}
} // end if canEdit.Monitors
this.setAlarmState(monitorStatus);
} else {
checkStreamForErrors('getStatusCmdResponse', respObj);
}
}; // this.getStatusCmdResponse
this.statusCmdQuery=function() {
$j.getJSON(this.url + '?view=request&request=status&entity=monitor&element[]=Status&element[]=CaptureFPS&element[]=AnalysisFPS&element[]=Analysing&element[]=Recording&id='+this.id+'&'+this.auth_relay)
.done(this.getStatusCmdResponse.bind(this))
.fail(logAjaxFail);
};
this.statusQuery = function() {
this.streamCommand(CMD_QUERY);
};
this.streamCmdQuery = function(resent) {
if (this.type != 'WebSite') {
// Websites don't have streaming
// Can't use streamCommand because it aborts
this.streamCmdParms.command = CMD_QUERY;
this.streamCmdReq(this.streamCmdParms);
}
};
this.streamCommand = function(command) {
const params = Object.assign({}, this.streamCmdParms);
if (typeof(command) == 'object') {
for (const key in command) params[key] = command[key];
} else {
params.command = command;
}
/*
if (this.ajaxQueue) {
this.ajaxQueue.abort();
}
*/
this.streamCmdReq(params);
};
this.alarmCommand = function(command) {
if (this.ajaxQueue) {
console.log("Aborting in progress ajax for alarm");
// Doing this for responsiveness, but we could be aborting something important. Need smarter logic
this.ajaxQueue.abort();
}
const alarmCmdParms = Object.assign({}, this.streamCmdParms);
alarmCmdParms.request = 'alarm';
alarmCmdParms.command = command;
alarmCmdParms.id = this.id;
this.ajaxQueue = jQuery.ajaxQueue({
url: this.url + (auth_relay?'?'+auth_relay:''),
xhrFields: {withCredentials: true},
data: alarmCmdParms,
dataType: "json"
})
.done(this.getStreamCmdResponse.bind(this))
.fail(this.onFailure.bind(this));
};
if (this.type != 'WebSite') {
$j.ajaxSetup({timeout: AJAX_TIMEOUT});
this.streamCmdReq = function(streamCmdParms) {
this.ajaxQueue = jQuery.ajaxQueue({
url: this.url + (auth_relay?'?'+auth_relay:''),
xhrFields: {withCredentials: true},
data: streamCmdParms,
dataType: "json"
})
.done(this.getStreamCmdResponse.bind(this))
.fail(this.onFailure.bind(this));
};
}
this.analyse_frames = true;
this.show_analyse_frames = function(toggle) {
this.analyse_frames = toggle;
this.streamCmdParms.command = this.analyse_frames ? CMD_ANALYZE_ON : CMD_ANALYZE_OFF;
this.streamCmdReq(this.streamCmdParms);
};
this.setMaxFPS = function(maxfps) {
if (1) {
this.streamCommand({command: CMD_MAXFPS, maxfps: currentSpeed});
} else {
var streamImage = this.getElement();
const oldsrc = streamImage.attr('src');
streamImage.attr('src', ''); // stop streaming
if (maxfps == '0') {
// Unlimited
streamImage.attr('src', oldsrc.replace(/maxfps=\d+/i, 'maxfps=0.00100'));
} else {
streamImage.attr('src', oldsrc.replace(/maxfps=\d+/i, 'maxfps='+newvalue));
}
}
}; // end setMaxFPS
} // end function MonitorStream
async function attachVideo(id, pin) {
await waitUntil(() => janus.isConnected() );
janus.attach({
plugin: "janus.plugin.streaming",
opaqueId: "streamingtest-"+Janus.randomString(12),
success: function(pluginHandle) {
streaming[id] = pluginHandle;
const body = {"request": "watch", "id": id, "pin": pin};
streaming[id].send({"message": body});
},
error: function(error) {
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) {
if (jsep["sdp"].includes("420029")) {
jsep["sdp"] = jsep["sdp"].replace("420029", "42e01f");
} else if (jsep["sdp"].includes("4d002a")) {
jsep["sdp"] = jsep["sdp"].replace("4d002a", "4de02a");
}
}
// 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 stream :::");
Janus.debug(ourstream);
Janus.attachMediaStream(document.getElementById("liveStream" + id), ourstream);
},
onremotetrack: function(track, mid, on) {
Janus.debug(" ::: Got a remote track :::");
Janus.debug(track);
if (track.kind ==="audio") {
stream = new MediaStream();
stream.addTrack(track.clone());
if (document.getElementById("liveAudio" + id) == null) {
audioElement = document.createElement('audio');
audioElement.setAttribute("id", "liveAudio" + id);
audioElement.controls = true;
document.getElementById("imageFeed" + id).append(audioElement);
}
Janus.attachMediaStream(document.getElementById("liveAudio" + id), stream);
} else {
stream = new MediaStream();
stream.addTrack(track.clone());
Janus.attachMediaStream(document.getElementById("liveStream" + id), stream);
}
}
}); // janus.attach
} //function attachVideo
const waitUntil = (condition) => {
return new Promise((resolve) => {
const interval = setInterval(() => {
if (!condition()) {
return;
}
clearInterval(interval);
resolve();
}, 100);
});
};
function startRTSP2WebPlay(videoEl, url) {
const webrtc = new RTCPeerConnection({
iceServers: [{
urls: ['stun:stun.l.google.com:19302']
}],
sdpSemantics: 'unified-plan'
});
webrtc.ontrack = function(event) {
console.log(event.streams.length + ' track is delivered');
videoEl.srcObject = event.streams[0];
videoEl.play();
};
webrtc.addTransceiver('video', {direction: 'sendrecv'});
webrtc.onnegotiationneeded = async function handleNegotiationNeeded() {
const offer = await webrtc.createOffer();
await webrtc.setLocalDescription(offer);
fetch(url, {
method: 'POST',
body: new URLSearchParams({data: btoa(webrtc.localDescription.sdp)})
})
.catch((rejected) => {
console.log(rejected);
})
.then((response) => response.text())
.then((data) => {
try {
webrtc.setRemoteDescription(
new RTCSessionDescription({type: 'answer', sdp: atob(data)})
);
} catch (e) {
console.warn(e);
}
});
};
const webrtcSendChannel = webrtc.createDataChannel('rtsptowebSendChannel');
webrtcSendChannel.onopen = (event) => {
console.log(`${webrtcSendChannel.label} has opened`);
webrtcSendChannel.send('ping');
};
webrtcSendChannel.onclose = (_event) => {
console.log(`${webrtcSendChannel.label} has closed`);
startRTSP2WebPlay(videoEl, url);
};
webrtcSendChannel.onmessage = (event) => console.log(event.data);
}
function startMsePlay(context, videoEl, url) {
const mse = new MediaSource();
mse.addEventListener('sourceopen', function() {
const ws = new WebSocket(url);
ws.binaryType = 'arraybuffer';
ws.onopen = function(event) {
console.log('Connect to ws');
};
ws.onmessage = function(event) {
const data = new Uint8Array(event.data);
if (data[0] === 9) {
let mimeCodec;
const decodedArr = data.slice(1);
if (window.TextDecoder) {
mimeCodec = new TextDecoder('utf-8').decode(decodedArr);
} else {
console.log("Browser too old. Doesn't support TextDecoder");
}
context.mseSourceBuffer = mse.addSourceBuffer('video/mp4; codecs="' + mimeCodec + '"');
context.mseSourceBuffer.mode = 'segments';
context.mseSourceBuffer.addEventListener('updateend', pushMsePacket, videoEl, context);
} else {
readMsePacket(event.data, videoEl, context);
}
};
}, false);
videoEl.src = window.URL.createObjectURL(mse);
}
function pushMsePacket(videoEl, context) {
if (context != undefined && !context.mseSourceBuffer.updating) {
if (context.mseQueue.length > 0) {
const packet = context.mseQueue.shift();
context.mseSourceBuffer.appendBuffer(packet);
} else {
context.mseStreamingStarted = false;
}
}
if (videoEl.buffered != undefined && videoEl.buffered.length > 0) {
if (typeof document.hidden !== 'undefined' && document.hidden) {
// no sound, browser paused video without sound in background
videoEl.currentTime = videoEl.buffered.end((videoEl.buffered.length - 1)) - 0.5;
}
}
}
function readMsePacket(packet, videoEl, context) {
if (!context.mseStreamingStarted) {
context.mseSourceBuffer.appendBuffer(packet);
context.mseStreamingStarted = true;
return;
}
context.mseQueue.push(packet);
if (!context.mseSourceBuffer.updating) {
pushMsePacket(videoEl, context);
}
}