videoplaybackquality

VideoPlaybackQuality-polyfill

A polyfill/ponyfill for HTMLVideoElement.prototype.getVideoPlaybackQuality().

HTMLVideoElement.prototype.getVideoPlaybackQuality() return a VideoPlaybackQuality object.

Install

Install with npm:

npm install videoplaybackquality

Usage

Polyfill

require("videoplaybackquality/polyfill");
// usage
var video = document.getElementById("js-video");
console.log(video.getVideoPlaybackQuality());

Use as a module(Ponyfill)

const getVideoPlaybackQuality = require("videoplaybackquality").getVideoPlaybackQuality;
// usage
var video = document.getElementById("js-video");
getVideoPlaybackQuality(video);
/*
{
        'droppedVideoFrames': 0,
        'totalVideoFrames': 0,
        'corruptedVideoFrames': 0,
        'creationTime': 0,
        'totalFrameDelay': 0
}
*

Example

See example/

Limitation

WebKit can not get complete VideoPlaybackQuality.

This polyfill return following data:

{
        'droppedVideoFrames': webKitVideo.webkitDroppedFrameCount,
        'totalVideoFrames': webKitVideo.webkitDecodedFrameCount,
        // Not provided by this polyfill:
        'corruptedVideoFrames': 0,
        'creationTime': NaN,
        'totalFrameDelay': 0
}

Changelog

See Releases page.

Running tests

Install devDependencies and Run npm test:

npm i -d && npm test

Contributing

Pull requests and stars are always welcome.

For bugs and feature requests, please create an issue.

• Fork it!
• Create your feature branch: git checkout -b my-new-feature
• Commit your changes: git commit -am 'Add some feature'
• Push to the branch: git push origin my-new-feature
• Submit a pull request :D

Author

• github/azu
• twitter/azu_re

License

MIT © azu