MediaSource.MediaSource()

MediaSource() 是 MediaSource 的构造函数 返回一个没有分配source buffers 新的 MediaSource 对象.

语法

var mediaSource = new MediaSource();

参数

无.

例子

下面的代码片段取自 Nick Desaulniers写的简单例子 (想进一步了解 查看完整例子 或者 下载源代码 .)

var video = document.querySelector('video');

var assetURL = 'frag_bunny.mp4';
// Need to be specific for Blink regarding codecs
// ./mp4info frag_bunny.mp4 | grep Codec
var mimeCodec = 'video/mp4; codecs="avc1.42E01E, mp4a.40.2"';

if ('MediaSource' in window && MediaSource.isTypeSupported(mimeCodec)) {
  var mediaSource = new MediaSource;
  //console.log(mediaSource.readyState); // closed
  video.src = URL.createObjectURL(mediaSource);
  mediaSource.addEventListener('sourceopen', sourceOpen);
} else {
  console.error('Unsupported MIME type or codec: ', mimeCodec);
}

...

浏览器兼容性

相关链接

• SourceBuffer
• SourceBufferList