您可以尝试使用以下代码片段在HTML5 canvas中显示视频。
var canvas1 = document.getElementById('canvas');
var context = canvas1.getContext('2d');
var video = document.getElementById('video');
video.addEventListener('play', function () {
var $this = this;
(function loop() {
if (!$this.paused && !$this.ended) {
context.drawImage($this, 0, 0);
setTimeout(loop, 1000 / 30);
}
})();
}, 0);