MediaSource: readyState property - Web APIs | MDN
Value
A string.
Examples
The following snippet is from an example written by Nick Desaulniers (view the full demo live, or download the source for further investigation). The function getMediaSource(), which is not defined here, returns a MediaSource.
js
let mediaSource;
if ("MediaSource" in window && MediaSource.isTypeSupported(mimeCodec)) {
mediaSource = getMediaSource();
console.log(mediaSource.readyState); // closed
video.src = URL.createObjectURL(mediaSource);
mediaSource.addEventListener("sourceopen", sourceOpen);
} else {
console.error("Unsupported MIME type or codec: ", mimeCodec);
}
function sourceOpen() {
console.log(this.readyState); // open
const sourceBuffer = mediaSource.addSourceBuffer(mimeCodec);
fetchAB(assetURL, (buf) => {
sourceBuffer.addEventListener("updateend", () => {
mediaSource.endOfStream();
video.play();
console.log(mediaSource.readyState); // ended
});
sourceBuffer.appendBuffer(buf);
});
}
Specifications
| Specification |
|---|
| Media Source Extensions™ # dom-mediasource-readystate |