// 检测您当前的浏览器是否支持从 video 元素采集
if (!HTMLVideoElement.prototype.captureStream) {
  console.log('your browser does not support capturing stream from video element');
  return
}
// 获取您页面在播放视频的 video 标签 
const video = document.getElementByID('your-video-element-ID');
// 从播放的视频采集视频流
const stream = video.captureStream();
const audioTrack = stream.getAudioTracks()[0];
const videoTrack = stream.getVideoTracks()[0];

trtc.startLocalVideo({ option:{ videoTrack } });
trtc.startLocalAudio({ option:{ audioTrack } });


// 检测您当前的浏览器是否支持从 canvas 元素采集
if (!HTMLCanvasElement.prototype.captureStream) {
  console.log('your browser does not support capturing stream from canvas element');
  return
}
// 获取您的 canvas 标签 
const canvas = document.getElementByID('your-canvas-element-ID');

// 从 canvas 采集 15 fps 的视频流
const fps = 15;
const stream = canvas.captureStream(fps);
const videoTrack = stream.getVideoTracks()[0];

trtc.startLocalVideo({ option:{ videoTrack } });

await trtc.startLocalVideo();
const videoTrack = trtc.getVideoTrack();

// 使用自定义的播放器进行视频播放渲染
const videoElement = document.getElementById('video-element');
videoElement.srcObject = new MediaStream([videoTrack]);
videoElement.play();


trtc.on(TRTC.EVENT.REMOTE_VIDEO_AVAILABLE, async ({ userId, streamType }) => {
  // 只拉流，不播放
  await trtc.startRemoteVideo({ userId, streamType })
  const videoTrack = trtc.getVideoTrack({ userId, streamType });

  // 使用自定义的播放器进行视频播放渲染
  const videoElement = document.getElementById('remote-video-element');
  videoElement.srcObject = new MediaStream([videoTrack]);
  videoElement.play();
});