PHP WebSocket 開発ガイド: ライブビデオ機能を実装する手順の分析

composer require cboden/ratchet

use RatchetMessageComponentInterface;
use RatchetConnectionInterface;

require dirname(__DIR__) . '/vendor/autoload.php';

class VideoServer implements MessageComponentInterface
{
    protected $clients;

    public function __construct()
    {
        $this->clients = new SplObjectStorage();
    }

    public function onOpen(ConnectionInterface $conn)
    {
        $this->clients->attach($conn);
    }

    public function onMessage(ConnectionInterface $from, $msg)
    {
        foreach ($this->clients as $client) {
            if ($client !== $from) {
                $client->send($msg);
            }
        }
    }

    public function onClose(ConnectionInterface $conn)
    {
        $this->clients->detach($conn);
    }

    public function onError(ConnectionInterface $conn, Exception $e)
    {
        $conn->close();
    }
}

$server = new RatchetApp('localhost', 8080);
$server->route('/video', new VideoServer(), ['*']);
$server->run();

<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/@kurento/kurento-client"></script>

$(document).ready(function() {
    var WebSocket = window.WebSocket || window.MozWebSocket;
    var socket = new WebSocket('ws://localhost:8080/video');

    socket.onopen = function() {
        console.log('Connected to WebSocket server');
    };

    socket.onmessage = function(message) {
        var data = JSON.parse(message.data);
        // 处理接收到的视频数据
    };

    socket.onerror = function(error) {
        console.log('WebSocket error: ' + error);
    };

    socket.onclose = function() {
        console.log('WebSocket connection closed');
    };

    function sendVideoData(data) {
        // 发送视频数据
        socket.send(data);
    }

    // 摄像头视频流采集与发送
    navigator.mediaDevices.getUserMedia({ video: true }).then(function(stream) {
        var videoElement = document.getElementById('video');
        videoElement.srcObject = stream;

        var videoTrack = stream.getVideoTracks()[0];
        var videoSender = socket.createVideoSender();

        videoSender.send(videoTrack);
    }).catch(function(error) {
        console.log('Error accessing media devices: ' + error);
    });
});