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  • 声网如何实现视频通话

    1:首先看官方文档https://docs.agora.io/cn/Video/start_call_web?platform=Web
    2:其次在声网个人中心申请开发账号获取appid和临时token来实现演示https://console.agora.io/?_ga=2.175997090.1606351753.1587362154-220773479.1561710054

    做一个demo以下

    代码实现如下:

    <!DOCTYPE html>
    <html lang="en">
    	<head>
    		<meta charset="UTF-8">
    		<meta http-equiv="X-UA-Compatible" content="ie=edge">
    		<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
    		<title>Basic Communication</title>
    		<link rel="stylesheet" href="css/common.css" />
    		<style>
    			button{
    				    height: 50px;
    				    background: #125658;
    				    color: white;
    				    margin: 10px;
    				     300px;
    			}
    		</style>
    	</head>
    	<body class="agora-theme">
    		<div>
    			<div class="input-field">
    				<label for="channel" class="active">房间号</label>
    				<input id="channel" type="text" placeholder="channel" name="channel">
    			</div>
    			<button id="click">加入房间</button>
    			<button id="leave">退出房间</button>
    		</div>
    		<form id="form" class="row col l12 s12">
    			<div class="row container col l12 s12">
    				<div class="col s7">
    					<div class="video-grid" id="video">
    						<div class="video-view">
    							<div id="local_stream" class="video-placeholder"></div>
    							<div id="local_video_info" class="video-profile hide"></div>
    							<div id="video_autoplay_local" class="autoplay-fallback hide"></div>
    						</div>
    					</div>
    				</div>
    			</div>
    		</form>
    		<script src="js/jquery.min.js"></script>
    		<script src="js/materialize.min.js"></script>
    		<script src="js/AgoraRTCSDK-3.0.2.js"></script>
    		<!-- <script src="https://cdn.agora.io/sdk/release/AgoraRTCSDK-3.0.2.js"></script> -->
    		<script>
    			// rtc object
    			var rtc = {
    				client: null,
    				joined: false,
    				published: false,
    				localStream: null,
    				remoteStreams: [],
    				params: {}
    			};
    			// Options for joining a channel
    			var option = {
    				// appID: "cabe159bc2c34d1c8e482002b2984a62",
    				appID: "f3e743e62ce94303b12cb46d0b81c97a",
    				channel: "",
    				// channel: "shuanghou",
    				uid: null,
    				// token:$("#token").val()
    				token: "006f3e743e62ce94303b12cb46d0b81c97aIABpYN2+3wPUR6mO2JAlhC6jlIr1zf+7GobjG4fDmjAFJDnhFfUAAAAAEAALV6bzGN2fXgEAAQAX3Z9e"
    			}
    			// 加入频道前,我们需要先创建并初始化一个客户端对象。
    			// Create a client
    			rtc.client = AgoraRTC.createClient({
    				mode: "rtc",
    				codec: "h264"
    			});
    			// Initialize the client
    			rtc.client.init(option.appID)
    			// 在 Client.init 的 onSuccess 回调中调用 Client.join 加入频道。
    			$("#click").click(function() {
    				// debugger
    				option.channel = $("#channel").val();
    				// Join a channel
    				rtc.client.join(option.token ? option.token : null, option.channel, option.uid ? +option.uid : null, function(uid) {
    					console.log("join channel: " + option.channel + " success, uid: " + uid);
    					rtc.params.uid = uid;
    					alert("加入成功")
    					// 发布本地流 Create a local stream
    					rtc.localStream = AgoraRTC.createStream({
    						streamID: rtc.params.uid,
    						audio: true,
    						video: true,
    						screen: false,
    					})
    					// 调用 Stream.init 方法初始化创建的流 Initialize the local stream
    					rtc.localStream.init(function() {
    						// console.log("init local stream success");
    						// play stream with html element id "local_stream"
    						rtc.localStream.play("local_stream");
    						// 在 Stream.init 的 onSuccess 回调中调用 Client.publish 方法,发布本地流
    						// Publish the local stream
    						rtc.client.publish(rtc.localStream, function (err) {
    						  console.log("publish failed");
    						  console.error(err);
    						})
    					}, function(err) {
    						console.error("init local stream failed ", err);
    					});
    				}, function(err) {
    					alert("进入失败")
    					console.error("client join failed", err)
    				})
    			});
    
    			rtc.client.on("stream-added", function(evt) {
    				var remoteStream = evt.stream;
    				var id = remoteStream.getId();
    				if (id !== rtc.params.uid) {
    					rtc.client.subscribe(remoteStream, function(err) {
    						console.log("stream subscribe failed", err);
    					})
    				}
    				console.log('stream-added remote-uid: ', id);
    			});
    			rtc.client.on("stream-subscribed", function(evt) {
    				var remoteStream = evt.stream;
    				var id = remoteStream.getId();
    				// Add a view for the remote stream.
    				addView(id);
    				// Play the remote stream.
    				remoteStream.play("remote_video_" + id);
    				console.log('stream-subscribed remote-uid: ', id);
    			})
    			rtc.client.on("stream-removed", function(evt) {
    				var remoteStream = evt.stream;
    				var id = remoteStream.getId();
    				// Stop playing the remote stream.
    				remoteStream.stop("remote_video_" + id);
    				// Remove the view of the remote stream. 
    				removeView(id);
    				console.log('stream-removed remote-uid: ', id);
    			})
    			// 收到远程流的通知
    			rtc.client.on("peer-leave", function(evt) {
    				var id = evt.uid;
    				console.log("id", evt);
    				if (id != rtc.params.uid) {
    					removeView(id);
    				}
    				console.log('peer-leave', id);
    			})
    			// Occurs when the local stream is published.
    			rtc.client.on("stream-published", function(evt) {
    				console.log("stream-published");
    			})
    			// 移除窗口
    			function removeView(id) {
    				if ($("#remote_video_panel_" + id)[0]) {
    					$("#remote_video_panel_" + id).remove();
    				}
    			}
    		
    			// 加入流窗口
    			function addView(id, show) {
    				if (!$("#" + id)[0]) {
    					$("<div/>", {
    						id: "remote_video_panel_" + id,
    						class: "video-view",
    					}).appendTo("#video");
    
    					$("<div/>", {
    						id: "remote_video_" + id,
    						class: "video-placeholder",
    					}).appendTo("#remote_video_panel_" + id);
    
    					$("<div/>", {
    						id: "remote_video_info_" + id,
    						class: "video-profile " + (show ? "" : "hide"),
    					}).appendTo("#remote_video_panel_" + id);
    
    					$("<div/>", {
    						id: "video_autoplay_" + id,
    						class: "autoplay-fallback hide",
    					}).appendTo("#remote_video_panel_" + id);
    				}
    			}
    			// 离开房间
    			$("#leave").click(function() {
    				// Leave the channel
    				rtc.client.leave(function() {
    					// Stop playing the local stream
    					rtc.localStream.stop();
    					// Close the local stream
    					rtc.localStream.close();
    					// Stop playing the remote streams and remove the views
    					while (rtc.remoteStreams.length > 0) {
    						var stream = rtc.remoteStreams.shift();
    						var id = stream.getId();
    						stream.stop();
    						removeView(id);
    					}
    					console.log("client leaves channel success");
    				}, function(err) {
    					console.log("channel leave failed");
    					console.error(err);
    				})
    			})
    		</script>
    	</body>
    </html>
    
    
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  • 原文地址:https://www.cnblogs.com/Fancy1486450630/p/12743308.html
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