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// ==========================================================================
// Plyr support checks
// ==========================================================================
import utils from './utils';
// Check for feature support
const support = {
// Basic support
audio: 'canPlayType' in document.createElement('audio'),
video: 'canPlayType' in document.createElement('video'),
// Check for support
// Basic functionality vs full UI
check(type, provider, playsinline) {
let api = false;
let ui = false;
const browser = utils.getBrowser();
const canPlayInline = browser.isIPhone && playsinline && support.playsinline;
switch (`${provider}:${type}`) {
case 'html5:video':
api = support.video;
ui = api && support.rangeInput && (!browser.isIPhone || canPlayInline);
break;
case 'html5:audio':
api = support.audio;
ui = api && support.rangeInput;
break;
case 'youtube:video':
case 'vimeo:video':
api = true;
ui = support.rangeInput && (!browser.isIPhone || canPlayInline);
break;
default:
api = support.audio && support.video;
ui = api && support.rangeInput;
}
return {
api,
ui,
};
},
// Picture-in-picture support
// Safari only currently
pip: (() => {
const browser = utils.getBrowser();
return !browser.isIPhone && utils.is.function(utils.createElement('video').webkitSetPresentationMode);
})(),
// Airplay support
// Safari only currently
airplay: utils.is.function(window.WebKitPlaybackTargetAvailabilityEvent),
// Inline playback support
// https://webkit.org/blog/6784/new-video-policies-for-ios/
playsinline: 'playsInline' in document.createElement('video'),
// Check for mime type support against a player instance
// Credits: http://diveintohtml5.info/everything.html
// Related: http://www.leanbackplayer.com/test/h5mt.html
mime(type) {
const { media } = this;
try {
// Bail if no checking function
if (!this.isHTML5 || !utils.is.function(media.canPlayType)) {
return false;
}
// Check directly if codecs specified
if (type.includes('codecs=')) {
return media.canPlayType(type).replace(/no/, '');
}
// Type specific checks
if (this.isVideo) {
switch (type) {
case 'video/webm':
return media.canPlayType('video/webm; codecs="vp8, vorbis"').replace(/no/, '');
case 'video/mp4':
return media.canPlayType('video/mp4; codecs="avc1.42E01E, mp4a.40.2"').replace(/no/, '');
case 'video/ogg':
return media.canPlayType('video/ogg; codecs="theora"').replace(/no/, '');
default:
return false;
}
} else if (this.isAudio) {
switch (type) {
case 'audio/mpeg':
return media.canPlayType('audio/mpeg;').replace(/no/, '');
case 'audio/ogg':
return media.canPlayType('audio/ogg; codecs="vorbis"').replace(/no/, '');
case 'audio/wav':
return media.canPlayType('audio/wav; codecs="1"').replace(/no/, '');
default:
return false;
}
}
} catch (e) {
return false;
}
// If we got this far, we're stuffed
return false;
},
// Check for textTracks support
textTracks: 'textTracks' in document.createElement('video'),
// Check for passive event listener support
// https://github.com/WICG/EventListenerOptions/blob/gh-pages/explainer.md
// https://www.youtube.com/watch?v=NPM6172J22g
passiveListeners: (() => {
// Test via a getter in the options object to see if the passive property is accessed
let supported = false;
try {
const options = Object.defineProperty({}, 'passive', {
get() {
supported = true;
return null;
},
});
window.addEventListener('test', null, options);
} catch (e) {
// Do nothing
}
return supported;
})(),
// <input type="range"> Sliders
rangeInput: (() => {
const range = document.createElement('input');
range.type = 'range';
return range.type === 'range';
})(),
// Touch
// NOTE: Remember a device can be mouse + touch enabled so we check on first touch event
touch: 'ontouchstart' in document.documentElement,
// Detect transitions support
transitions: utils.transitionEndEvent !== false,
// Reduced motion iOS & MacOS setting
// https://webkit.org/blog/7551/responsive-design-for-motion/
reducedMotion: 'matchMedia' in window && window.matchMedia('(prefers-reduced-motion)').matches,
};
export default support;
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