SOURCE

var canvas = document.getElementById('canvas');
var editor = new Editor(canvas);

var videoNode = editor.video("https://cdn.jsdelivr.net/gh/shanyutongxue/cdnCache/example1.mp4");
videoNode.timelineStart(0);
videoNode.timelineStop(4);
var imageNode = editor.image("https://sf1-ttcdn-tos.pstatp.com/obj/ttfe/lyt/avatar.png", {
    width: 280,
    height: 280,
    top: 10,
    left: 10,
});
imageNode.timelineStart(2);
imageNode.timelineStop(6);
var effectNode = editor.effect(Editor.DEFINITIONS.MONOCHROME);

// 使用effectNode
videoNode.connect(effectNode);
imageNode.connect(effectNode);
effectNode.connect(editor.output);

// 或直连output
// videoNode.connect(effectNode);
// effectNode.connect(editor.output);
// imageNode.connect(editor.output);

initButton();
InitVisualisations(editor, 'timeline-canvas', 'current');

function initButton() {
  var playButton = document.getElementById('play-button');
  var pauseButton = document.getElementById('pause-button');
  var replayButton = document.getElementById('replay-button');
  
  playButton.onclick = editor.play.bind(editor);
  pauseButton.onclick = editor.pause.bind(editor);
  replayButton.onclick = function() {
    editor.currentTime = 0;
    editor.play();
  }
}

<canvas width="1280" height="720" id="canvas"></canvas>
<p>
  <button id="play-button">play</button>
  <button id="pause-button">pause</button>
  <button id="replay-button">replay</button>
</p>
<p id="current"></p>
<p>
    <canvas id="timeline-canvas" width="640", height="10"></canvas>
</p>

html {
  font-family: monospace;
  color: #333;
}
#current {
  font-size: 12px;
}
#canvas {
  width: 640px;
  height: 360px;
}

button {
  line-height: 1.499;
    position: relative;
    display: inline-block;
    font-weight: 400;
    white-space: nowrap;
    text-align: center;
    background-image: none;
    border: 1px solid transparent;
    cursor: pointer;
    user-select: none;
    height: 32px;
    padding: 0 15px;
    font-size: 14px;
    border-radius: 4px;
    color: rgba(0,0,0,0.65);
    background-color: #fff;
    border-color: #d9d9d9;
    outline: 0;
    transition: all .3s cubic-bezier(.645, .045, .355, 1);
}

button:hover {
  color: #40a9ff;
  background-color: #fff;
  border-color: #40a9ff;
}

button:active {
  color: #096dd9;
  background-color: #fff;
  border-color: #096dd9;
}