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| Dir : /home/trave494/outtheboxministry.org/themes/g/wowonder/layout/video/agora.phtml |
<script type="text/javascript">
var agoraAppId = "<?php echo $wo['config']['agora_chat_app_id'];?>";
var token = "<?php echo $wo['video_call']['access_token'];?>";
var channelName = "<?php echo $wo['video_call']['room'];?>";
var uid = <?php echo $wo['user']['id'];?>;
/*
* JS Interface for Agora.io SDK
*/
// video profile settings
var cameraVideoProfile = '480p_4'; // 640 × 480 @ 30fps & 750kbs
var screenVideoProfile = '480p_2'; // 640 × 480 @ 30fps
// create client instances for camera (client) and screen share (screenClient)
var client = AgoraRTC.createClient({mode: 'rtc', codec: 'vp8'});
var screenClient;
// stream references (keep track of active streams)
var remoteStreams = {}; // remote streams obj struct [id : stream]
var localStreams = {
camera: {
id: "",
stream: {}
},
screen: {
id: "",
stream: {}
}
};
AgoraRTC.Logger.enableLogUpload(); // auto upload logs
var mainStreamId; // reference to main stream
var screenShareActive = false; // flag for screen share
function initClientAndJoinChannel(agoraAppId, token, channelName, uid) {
// init Agora SDK
client.init(agoraAppId, function () {
console.log("AgoraRTC client initialized");
joinChannel(channelName, uid, token); // join channel upon successfull init
}, function (err) {
console.log("[ERROR] : AgoraRTC client init failed", err);
});
}
client.on('stream-published', function (evt) {
console.log("Publish local stream successfully");
});
// connect remote streams
client.on('stream-added', function (evt) {
var stream = evt.stream;
var streamId = stream.getId();
console.log("new stream added: " + streamId);
// Check if the stream is local
if (streamId != localStreams.screen.id) {
console.log('subscribe to remote stream:' + streamId);
// Subscribe to the stream.
client.subscribe(stream, function (err) {
console.log("[ERROR] : subscribe stream failed", err);
});
}
});
client.on('stream-subscribed', function (evt) {
var remoteStream = evt.stream;
var remoteId = remoteStream.getId();
remoteStreams[remoteId] = remoteStream;
console.log("Subscribe remote stream successfully: " + remoteId);
if( $('#full-screen-video').is(':empty') ) {
mainStreamId = remoteId;
remoteStream.play('full-screen-video');
$('#main-stats-btn').show();
$('#main-stream-stats-btn').show();
} else if (remoteId == 49024) {
// move the current main stream to miniview
remoteStreams[mainStreamId].stop(); // stop the main video stream playback
client.setRemoteVideoStreamType(remoteStreams[mainStreamId], 1); // subscribe to the low stream
addRemoteStreamMiniView(remoteStreams[mainStreamId]); // send the main video stream to a container
// set the screen-share as the main
mainStreamId = remoteId;
remoteStream.play('full-screen-video');
} else {
client.setRemoteVideoStreamType(remoteStream, 1); // subscribe to the low stream
addRemoteStreamMiniView(remoteStream);
}
});
// remove the remote-container when a user leaves the channel
client.on("peer-leave", function(evt) {
var streamId = evt.stream.getId(); // the the stream id
if(remoteStreams[streamId] != undefined) {
remoteStreams[streamId].stop(); // stop playing the feed
delete remoteStreams[streamId]; // remove stream from list
if (streamId == mainStreamId) {
//location.href = "<?php echo($wo['config']['site_url']) ?>";
var streamIds = Object.keys(remoteStreams);
var randomId = streamIds[Math.floor(Math.random()*streamIds.length)]; // select from the remaining streams
if(remoteStreams[randomId] != undefined) {
remoteStreams[randomId].stop(); // stop the stream's existing playback
}
var remoteContainerID = '#' + randomId + '_container';
$(remoteContainerID).empty().remove(); // remove the stream's miniView container
if(remoteStreams[randomId] != undefined) {
remoteStreams[randomId].play('full-screen-video'); // play the random stream as the main stream
}
mainStreamId = randomId; // set the new main remote stream
} else {
var remoteContainerID = '#' + streamId + '_container';
$(remoteContainerID).empty().remove(); //
//location.href = "<?php echo($wo['config']['site_url']) ?>";
}
}
console.log($('#full-screen-video').is(':empty'));
console.log($('#remote-streams').is(':empty'));
if( $('#full-screen-video').is(':empty') && $('#remote-streams').is(':empty')) {
location.href = "<?php echo($wo['config']['site_url']) ?>";
}
});
// show mute icon whenever a remote has muted their mic
client.on("mute-audio", function (evt) {
toggleVisibility('#' + evt.uid + '_mute', true);
});
client.on("unmute-audio", function (evt) {
toggleVisibility('#' + evt.uid + '_mute', false);
});
// show user icon whenever a remote has disabled their video
client.on("mute-video", function (evt) {
var remoteId = evt.uid;
// if the main user stops their video select a random user from the list
if (remoteId != mainStreamId) {
// if not the main vidiel then show the user icon
toggleVisibility('#' + remoteId + '_no-video', true);
}
});
client.on("unmute-video", function (evt) {
toggleVisibility('#' + evt.uid + '_no-video', false);
});
// join a channel
function joinChannel(channelName, uid, token) {
client.join(token, channelName, uid, function(uid) {
console.log("User " + uid + " join channel successfully");
createCameraStream(uid);
localStreams.camera.id = uid; // keep track of the stream uid
}, function(err) {
console.log("[ERROR] : join channel failed", err);
});
}
// video streams for channel
function createCameraStream(uid) {
var localStream = AgoraRTC.createStream({
streamID: uid,
audio: true,
video: true,
screen: false
});
localStream.setVideoProfile(cameraVideoProfile);
localStream.init(function() {
console.log("getUserMedia successfully");
// TODO: add check for other streams. play local stream full size if alone in channel
localStream.play('local-video'); // play the given stream within the local-video div
$('.end_vdo_call').removeClass('hidden');
// publish local stream
client.publish(localStream, function (err) {
console.log("[ERROR] : publish local stream error: " + err);
});
//enableUiControls(localStream); // move after testing
localStreams.camera.stream = localStream; // keep track of the camera stream for later
}, function (err) {
console.log("[ERROR] : getUserMedia failed", err);
});
}
// SCREEN SHARING
function initScreenShare(agoraAppId, channelName) {
screenClient = AgoraRTC.createClient({mode: 'rtc', codec: 'vp8'});
console.log("AgoraRTC screenClient initialized");
var uid = 49024; // hardcoded uid to make it easier to identify on remote clients
screenClient = AgoraRTC.createClient({mode: 'rtc', codec: 'vp8'});
screenClient.init(agoraAppId, function () {
console.log("AgoraRTC screenClient initialized");
}, function (err) {
console.log("[ERROR] : AgoraRTC screenClient init failed", err);
});
// keep track of the uid of the screen stream.
localStreams.screen.id = uid;
// Create the stream for screen sharing.
var screenStream = AgoraRTC.createStream({
streamID: uid,
audio: false, // Set the audio attribute as false to avoid any echo during the call.
video: false,
screen: true, // screen stream
screenAudio: true,
mediaSource: 'screen', // Firefox: 'screen', 'application', 'window' (select one)
});
// initialize the stream
// -- NOTE: this must happen directly from user interaction, if called by a promise or callback it will fail.
screenStream.init(function(){
console.log("getScreen successful");
localStreams.screen.stream = screenStream; // keep track of the screen stream
screenShareActive = true;
$("#screen-share-btn").prop("disabled",false); // enable button
screenClient.join(token, channelName, uid, function(uid) {
screenClient.publish(screenStream, function (err) {
console.log("[ERROR] : publish screen stream error: " + err);
});
}, function(err) {
console.log("[ERROR] : join channel as screen-share failed", err);
});
}, function (err) {
console.log("[ERROR] : getScreen failed", err);
localStreams.screen.id = ""; // reset screen stream id
localStreams.screen.stream = {}; // reset the screen stream
screenShareActive = false; // resest screenShare
toggleScreenShareBtn(); // toggle the button icon back
$("#screen-share-btn").prop("disabled",false); // enable button
});
var token = generateToken();
screenClient.on('stream-published', function (evt) {
console.log("Publish screen stream successfully");
if( $('#full-screen-video').is(':empty') ) {
$('#main-stats-btn').show();
$('#main-stream-stats-btn').show();
} else {
// move the current main stream to miniview
remoteStreams[mainStreamId].stop(); // stop the main video stream playback
client.setRemoteVideoStreamType(remoteStreams[mainStreamId], 1); // subscribe to the low stream
addRemoteStreamMiniView(remoteStreams[mainStreamId]); // send the main video stream to a container
}
mainStreamId = localStreams.screen.id;
localStreams.screen.stream.play('full-screen-video');
});
screenClient.on('stopScreenSharing', function (evt) {
console.log("screen sharing stopped", err);
});
}
function stopScreenShare() {
localStreams.screen.stream.disableVideo(); // disable the local video stream (will send a mute signal)
localStreams.screen.stream.stop(); // stop playing the local stream
localStreams.camera.stream.enableVideo(); // enable the camera feed
localStreams.camera.stream.play('local-video'); // play the camera within the full-screen-video div
$("#video-btn").prop("disabled",false);
screenClient.leave(function() {
screenShareActive = false;
console.log("screen client leaves channel");
$("#screen-share-btn").prop("disabled",false); // enable button
screenClient.unpublish(localStreams.screen.stream); // unpublish the screen client
localStreams.screen.stream.close(); // close the screen client stream
localStreams.screen.id = ""; // reset the screen id
localStreams.screen.stream = {}; // reset the stream obj
}, function(err) {
console.log("client leave failed ", err); //error handling
});
}
// REMOTE STREAMS UI
function addRemoteStreamMiniView(remoteStream){
var streamId = remoteStream.getId();
// append the remote stream template to #remote-streams
$('#remote-streams').append(
$('<div/>', {'id': streamId + '_container', 'class': 'col-md-3','style':'height:100%'}).append(
$('<div/>', {'id': streamId + '_mute', 'class': 'mute-overlay'}).append(
$('<i/>', {'class': 'fas fa-microphone-slash'})
),
$('<div/>', {'id': streamId + '_no-video', 'class': 'no-video-overlay text-center'}).append(
$('<i/>', {'class': 'fas fa-user'})
),
$('<div/>', {'id': 'agora_remote_' + streamId, 'class': 'remote-video'})
)
);
remoteStream.play('agora_remote_' + streamId);
var containerId = '#' + streamId + '_container';
$(containerId).dblclick(function() {
// play selected container as full screen - swap out current full screen stream
remoteStreams[mainStreamId].stop(); // stop the main video stream playback
addRemoteStreamMiniView(remoteStreams[mainStreamId]); // send the main video stream to a container
$(containerId).empty().remove(); // remove the stream's miniView container
remoteStreams[streamId].stop() // stop the container's video stream playback
remoteStreams[streamId].play('full-screen-video'); // play the remote stream as the full screen video
mainStreamId = streamId; // set the container stream id as the new main stream id
});
}
function leaveChannel() {
if(screenShareActive) {
stopScreenShare();
}
client.leave(function() {
console.log("client leaves channel");
localStreams.camera.stream.stop() // stop the camera stream playback
client.unpublish(localStreams.camera.stream); // unpublish the camera stream
localStreams.camera.stream.close(); // clean up and close the camera stream
$("#remote-streams").empty() // clean up the remote feeds
//disable the UI elements
// $("#mic-btn").prop("disabled", true);
// $("#video-btn").prop("disabled", true);
// $("#screen-share-btn").prop("disabled", true);
// $("#exit-btn").prop("disabled", true);
// hide the mute/no-video overlays
// toggleVisibility("#mute-overlay", false);
// toggleVisibility("#no-local-video", false);
// show the modal overlay to join
// $("#modalForm").modal("show");
}, function(err) {
console.log("client leave failed ", err); //error handling
});
}
// use tokens for added security
function generateToken() {
return null; // TODO: add a token generation
}
$(document).on('click', '.end_vdo_call', function(e) {
leaveChannel();
location.href = "<?php echo($wo['config']['site_url']) ?>";
});
initClientAndJoinChannel(agoraAppId, token, channelName, uid);
</script>
<style type="text/css">
#buttons-container {
position: absolute;
z-index: 2;
width: 100vw;
}
#full-screen-video {
position: absolute;
width: 100vw;
height: 100vh;
}
#lower-video-bar {
height: 20vh;
}
#local-stream-container {
position: relative;
display: inline-block;
}
/*
.remote-stream-container {
display: inline-block;
}*/
#remote-streams {
height: 100%;
}
#local-video {
position: absolute;
z-index: 1;
height: 100%;
max-width: 100%;
}
.remote-video {
position: absolute;
z-index: 1;
height: 100% !important;
width: 80%;
max-width: 500px;
}
#mute-overlay {
position: absolute;
z-index: 2;
bottom: 0;
left: 0;
color: #d9d9d9;
font-size: 2em;
padding: 0 0 3px 3px;
display: none;
}
.mute-overlay {
position: absolute;
z-index: 2;
top: 2px;
color: #d9d9d9;
font-size: 1.5em;
padding: 2px 0 0 2px;
display: none;
}
#no-local-video, .no-video-overlay {
position: absolute;
z-index: 3;
width: 100%;
top: 40%;
color: #cccccc;
font-size: 2.5em;
margin: 0 auto;
display: none;
}
.no-video-overlay {
width: 80%;
}
#screen-share-btn-container {
z-index: 99;
}
</style>