將webcam框架從webrtc傳遞到python opencv

如何通過webrtc從webcams獲取框架以便與python opencv一起使用？將webcam框架從webrtc傳遞到python opencv

我在互聯網上找不到一個好例子。你能舉個例子嗎？

由於

2015-11-29 yusuf

這是用於從網絡攝像頭獲取的圖像的樣品

<!DOCTYPE html> 
    <html> 
     <head> 
     </head> 
     <body onload="init();"> 
     <h1>Take a snapshot of the current video stream</h1> 
     Click on the Start WebCam button. 
     <p> 
     <button onclick="startWebcam();">Start WebCam</button> 
     <button onclick="stopWebcam();">Stop WebCam</button> 
      <button onclick="snapshot();">Take Snapshot</button> 
     </p> 
     <video onclick="snapshot(this);" width=400 height=400 id="video" controls autoplay></video> 
     <p> 

      Screenshots : <p> 
      <canvas id="myCanvas" width="400" height="350"></canvas> 
     </body> 
     <script> 
      //-------------------- 
      // GET USER MEDIA CODE 
      //-------------------- 
       navigator.getUserMedia = (navigator.getUserMedia || 
           navigator.webkitGetUserMedia || 
           navigator.mozGetUserMedia || 
           navigator.msGetUserMedia); 

      var video; 
      var webcamStream; 

      function startWebcam() { 
      if (navigator.getUserMedia) { 
       navigator.getUserMedia (

        // constraints 
        { 
        video: true, 
        audio: false 
        }, 

        // successCallback 
        function(localMediaStream) { 
         video = document.querySelector('video'); 
        video.src = window.URL.createObjectURL(localMediaStream); 
        webcamStream = localMediaStream; 
        }, 

        // errorCallback 
        function(err) { 
        console.log("The following error occured: " + err); 
        } 
       ); 
      } else { 
       console.log("getUserMedia not supported"); 
      } 
      } 

      function stopWebcam() { 
       webcamStream.stop(); 
      } 
      //--------------------- 
      // TAKE A SNAPSHOT CODE 
      //--------------------- 
      var canvas, ctx; 

      function init() { 
      // Get the canvas and obtain a context for 
      // drawing in it 
      canvas = document.getElementById("myCanvas"); 
      ctx = canvas.getContext('2d'); 
      } 

      function snapshot() { 
      // Draws current image from the video element into the canvas 
      ctx.drawImage(video, 0,0, canvas.width, canvas.height); 
      } 

     </script> 
    </html>

來源

2015-11-29 12:34:37 scaisEdge

將webcam框架從webrtc傳遞到python opencv

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