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index.js
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index.js
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/*
Copyright © 2015 Infrared5, Inc. All rights reserved.
The accompanying code comprising examples for use solely in conjunction with Red5 Pro (the "Example Code")
is licensed to you by Infrared5 Inc. in consideration of your agreement to the following
license terms and conditions. Access, use, modification, or redistribution of the accompanying
code constitutes your acceptance of the following license terms and conditions.
Permission is hereby granted, free of charge, to you to use the Example Code and associated documentation
files (collectively, the "Software") without restriction, including without limitation the rights to use,
copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit
persons to whom the Software is furnished to do so, subject to the following conditions:
The Software shall be used solely in conjunction with Red5 Pro. Red5 Pro is licensed under a separate end
user license agreement (the "EULA"), which must be executed with Infrared5, Inc.
An example of the EULA can be found on our website at: https://account.red5.net/assets/LICENSE.txt.
The above copyright notice and this license shall be included in all copies or portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT
NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL INFRARED5, INC. BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
;(function (window, document, red5prosdk) {
'use strict'
var serverSettings = (function () {
var settings = sessionStorage.getItem('r5proServerSettings')
try {
return JSON.parse(settings)
} catch (e) {
console.error(
'Could not read server settings from sessionstorage: ' + e.message
)
}
return {}
})()
var configuration = (function () {
var conf = sessionStorage.getItem('r5proTestBed')
try {
return JSON.parse(conf)
} catch (e) {
console.error(
'Could not read testbed configuration from sessionstorage: ' + e.message
)
}
return {}
})()
red5prosdk.setLogLevel(
configuration.verboseLogging
? red5prosdk.LOG_LEVELS.TRACE
: red5prosdk.LOG_LEVELS.WARN
)
var targetSubscriber
var updateStatusFromEvent = window.red5proHandleSubscriberEvent // defined in src/template/partial/status-field-subscriber.hbs
var instanceId = Math.floor(Math.random() * 0x10000).toString(16)
var streamTitle = document.getElementById('stream-title')
var loginForm = document.getElementById('login-form')
var usernameField = document.getElementById('username-field')
var passwordField = document.getElementById('password-field')
var tokenField = document.getElementById('token-field')
var tokenCheckBox = document.getElementById('token-required-field')
var submitButton = document.getElementById('submit-button')
var statisticsField = document.getElementById('statistics-field')
var bitrateField = document.getElementById('bitrate-field')
var packetsField = document.getElementById('packets-field')
var resolutionField = document.getElementById('resolution-field')
var protocol = serverSettings.protocol
var isSecure = protocol === 'https'
var bitrate = 0
var packetsReceived = 0
var frameWidth = 0
var frameHeight = 0
function updateStatistics(b, p, w, h) {
statisticsField.classList.remove('hidden')
bitrateField.innerText = b === 0 ? 'N/A' : Math.floor(b)
packetsField.innerText = p
resolutionField.innerText = (w || 0) + 'x' + (h || 0)
}
function onBitrateUpdate(b, p) {
bitrate = b
packetsReceived = p
updateStatistics(bitrate, packetsReceived, frameWidth, frameHeight)
}
function onResolutionUpdate(w, h) {
frameWidth = w
frameHeight = h
updateStatistics(bitrate, packetsReceived, frameWidth, frameHeight)
}
function getSocketLocationFromProtocol() {
return !isSecure
? { protocol: 'ws', port: serverSettings.wsport }
: { protocol: 'wss', port: serverSettings.wssport }
}
streamTitle.innerText = configuration.stream1
var defaultConfiguration = (function (useVideo, useAudio) {
var c = {
protocol: getSocketLocationFromProtocol().protocol,
port: getSocketLocationFromProtocol().port,
}
if (!useVideo) {
c.videoEncoding = red5prosdk.PlaybackVideoEncoder.NONE
}
if (!useAudio) {
c.audioEncoding = red5prosdk.PlaybackAudioEncoder.NONE
}
return c
})(configuration.useVideo, configuration.useAudio)
// Local lifecycle notifications.
function onSubscriberEvent(event) {
console.log('[Red5ProSubscriber] ' + event.type + '.')
updateStatusFromEvent(event)
if (event.type === 'Subscribe.VideoDimensions.Change') {
onResolutionUpdate(event.data.width, event.data.height)
}
}
function onSubscribeFail(message) {
console.error('[Red5ProSubsriber] Subscribe Error :: ' + message)
}
function onSubscribeSuccess(subscriber) {
console.log('[Red5ProSubsriber] Subscribe Complete.')
if (window.exposeSubscriberGlobally) {
window.exposeSubscriberGlobally(subscriber)
}
if (subscriber.getType().toLowerCase() === 'rtc') {
try {
window.trackBitrate(
subscriber.getPeerConnection(),
onBitrateUpdate,
onResolutionUpdate,
true
)
} catch (e) {
//
}
}
}
function onUnsubscribeFail(message) {
console.error('[Red5ProSubsriber] Unsubscribe Error :: ' + message)
}
function onUnsubscribeSuccess() {
console.log('[Red5ProSubsriber] Unsubscribe Complete.')
}
// Request to unsubscribe.
function unsubscribe() {
return new Promise(function (resolve, reject) {
targetSubscriber
.unsubscribe()
.then(function () {
targetSubscriber.off('*', onSubscriberEvent)
targetSubscriber = undefined
onUnsubscribeSuccess()
resolve()
})
.catch(function (error) {
var jsonError =
typeof error === 'string' ? error : JSON.stringify(error, null, 2)
onUnsubscribeFail(jsonError)
reject(error)
})
})
}
function start() {
const { preferWhipWhep } = configuration
const { WHEPClient, RTCSubscriber } = red5prosdk
// Kick off.
loginForm.classList.add('hidden')
var rtcConfig = Object.assign({}, configuration, defaultConfiguration, {
protocol: getSocketLocationFromProtocol().protocol,
port: getSocketLocationFromProtocol().port,
subscriptionId: 'subscriber-' + instanceId,
streamName: configuration.stream1,
})
var subscriber = preferWhipWhep ? new WHEPClient() : new RTCSubscriber()
subscriber
.init(rtcConfig)
.then(function (subscriberImpl) {
targetSubscriber = subscriberImpl
streamTitle.innerText = configuration.stream1
// Subscribe to events.
targetSubscriber.on('*', onSubscriberEvent)
return targetSubscriber.subscribe()
})
.then(function () {
onSubscribeSuccess(targetSubscriber)
})
.catch(function (error) {
var jsonError =
typeof error === 'string' ? error : JSON.stringify(error, null, 2)
console.error(
'[Red5ProSubscriber] :: Error in subscribing - ' + jsonError
)
onSubscribeFail(jsonError)
loginForm.classList.remove('hidden')
})
}
submitButton.addEventListener('click', function () {
if (usernameField.value === '' || passwordField.value === '') {
alert('Error: Wrong username or password supplied')
} else if (tokenField.value === '' && tokenCheckBox.checked == true) {
alert('Error: Token field cannot be empty')
} else {
if (tokenCheckBox.checked == true) {
console.log('Token required. Creating auth object')
configuration.connectionParams = {
username: usernameField.value,
password: passwordField.value,
token: tokenField.value,
}
} else {
console.log('Token not required. Creating auth object')
configuration.connectionParams = {
username: usernameField.value,
password: passwordField.value,
}
}
start()
}
})
// Clean up.
var shuttingDown = false
function shutdown() {
if (shuttingDown) return
shuttingDown = true
function clearRefs() {
if (targetSubscriber) {
targetSubscriber.off('*', onSubscriberEvent)
}
targetSubscriber = undefined
}
unsubscribe().then(clearRefs).catch(clearRefs)
window.untrackBitrate()
}
window.addEventListener('pagehide', shutdown)
window.addEventListener('beforeunload', shutdown)
})(this, document, window.red5prosdk)