cdn p2p视频加速

// 创建 RTCPeerConnection 对象
const peerConnection = new RTCPeerConnection();

// 添加本地媒体流
navigator.mediaDevices.getUserMedia({ video: true, audio: true })
  .then(stream => {
    stream.getTracks().forEach(track => peerConnection.addTrack(track, stream));
  });

// 处理远程媒体流
peerConnection.ontrack = event => {
  const remoteVideo = document.getElementById('remoteVideo');
  remoteVideo.srcObject = event.streams[0];
};

// 创建 offer 并设置本地描述
peerConnection.createOffer()
  .then(offer => {
    return peerConnection.setLocalDescription(offer);
  })
  .then(() => {
    // 发送 offer 到远程对等方
    sendOffer(peerConnection.localDescription);
  });

// 处理远程 offer
function handleRemoteOffer(offer) {
  peerConnection.setRemoteDescription(new RTCSessionDescription(offer))
    .then(() => {
      return peerConnection.createAnswer();
    })
    .then(answer => {
      return peerConnection.setLocalDescription(answer);
    })
    .then(() => {
      // 发送 answer 到远程对等方
      sendAnswer(peerConnection.localDescription);
    });
}