swoole 直播

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主要使用 webstocket
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前端

观看页面

1. <script type="text/javascript">
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2. var ws = new WebSocket('ws://192.168.0.150:9502');
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3. 
   
4. ws.onopen = function() {
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5.     console.log("连接成功");
   
6. };
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7. ws.onmessage = function(e) {
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8.    console.log(e);
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9. 
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10.    var data = e.data;
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11.    document.getElementById('player').src=data;
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12. };
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13. ws.onerror = function() {
    
14.     console.log("关闭连接");
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15. };
    
16. </script>

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录像页面

最好用火狐测试。

1. <canvas id="output" style="display:none"></canvas>
   
2. 
   
3. 
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4. 
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5. <script type="text/javascript" charset="utf-8">
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6. 
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7. 
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8.     var socket = new WebSocket('ws://192.168.0.150:9502');
   
9.     //socket.send("嗨我登陆了");
   
10. 
    
11.     var back = document.getElementById('output');
    
12.     var backcontext = back.getContext('2d');
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13.     var video = document.getElementsByTagName('video')[0];
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14.    
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15.     var success = function(stream){
    
16.         video.src = window.URL.createObjectURL(stream);
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17.     }
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18. 
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19.     socket.onopen = function(){
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20.         draw();
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21.     }
    
22. 
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23.     var draw = function(){
    
24.         try{
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25.             backcontext.drawImage(video,0,0, back.width, back.height);
    
26.         }catch(e){
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27.             if (e.name == "NS_ERROR_NOT_AVAILABLE") {
    
28.                 return setTimeout(draw, 100);
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29.             } else {
    
30.                 throw e;
    
31.             }
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32.         }
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33.         if(video.src){
    
34.             socket.send(back.toDataURL("image/jpeg", 0.5));
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35.         }
    
36.         setTimeout(draw, 100);
    
37.     }
    
38.     navigator.getUserMedia = navigator.getUserMedia || navigator.webkitGetUserMedia ||
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39.     navigator.mozGetUserMedia || navigator.msGetUserMedia;
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40.     navigator.getUserMedia({video:true, audio:false}, success, console.log);
    
41. </script>

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1. php
   
2. 
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3. $server = new swoole_websocket_server("0.0.0.0", 9502);
   
4. 
   
5. $server->on('open', function (swoole_websocket_server $server, $request) {
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6. 
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7.     echo "新用户id:{$request->fd}加入了\n";
   
8.    // echo "server: handshake success with fd{$request->fd}\n";
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9. });
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10. 
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11. $server->on('message', function (swoole_websocket_server $server, $frame) {
    
12. 
    
13.     //循环所有数据
    
14.     foreach($server->connections as $fd) {
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15.         //返回数据
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16.         $server->push($fd, $frame->data);
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17.     }
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18. 
    
19. });
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20. 
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21. $server->on('close', function ($ser, $fd) {
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22.     echo "用户id: {$fd} 退出\n";
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23. });
    
24. 
    
25. $server->start();

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