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// ==========================================================================
// Plyr HTML5 helpers
// ==========================================================================
import support from './support';
import utils from './utils';
const html5 = {
getSources() {
if (!this.isHTML5) {
return null;
}
return this.media.querySelectorAll('source');
},
// Get quality levels
getQualityOptions() {
if (!this.isHTML5) {
return null;
}
// Get sources
const sources = html5.getSources.call(this);
if (utils.is.empty(sources)) {
return null;
}
// Get <source> with size attribute
const sizes = Array.from(sources).filter(source => !utils.is.empty(source.getAttribute('size')));
// If none, bail
if (utils.is.empty(sizes)) {
return null;
}
// Reduce to unique list
return utils.dedupe(sizes.map(source => Number(source.getAttribute('size'))));
},
extend() {
if (!this.isHTML5) {
return;
}
const player = this;
// Quality
Object.defineProperty(player.media, 'quality', {
get() {
// Get sources
const sources = html5.getSources.call(player);
if (utils.is.empty(sources)) {
return null;
}
const matches = Array.from(sources).filter(source => source.getAttribute('src') === player.source);
if (utils.is.empty(matches)) {
return null;
}
return Number(matches[0].getAttribute('size'));
},
set(input) {
// Get sources
const sources = html5.getSources.call(player);
if (utils.is.empty(sources)) {
return;
}
// Get matches for requested size
const matches = Array.from(sources).filter(source => Number(source.getAttribute('size')) === input);
// No matches for requested size
if (utils.is.empty(matches)) {
return;
}
// Get supported sources
const supported = matches.filter(source => support.mime.call(player, source.getAttribute('type')));
// No supported sources
if (utils.is.empty(supported)) {
return;
}
// Trigger change event
utils.dispatchEvent.call(player, player.media, 'qualityrequested', false, {
quality: input,
});
// Get current state
const { currentTime, playing } = player;
// Set new source
player.media.src = supported[0].getAttribute('src');
// Load new source
player.media.load();
// Resume playing
if (playing) {
player.play();
}
// Restore time
player.currentTime = currentTime;
// Trigger change event
utils.dispatchEvent.call(player, player.media, 'qualitychange', false, {
quality: input,
});
},
});
},
// Cancel current network requests
// See https://github.com/sampotts/plyr/issues/174
cancelRequests() {
if (!this.isHTML5) {
return;
}
// Remove child sources
utils.removeElement(html5.getSources());
// Set blank video src attribute
// This is to prevent a MEDIA_ERR_SRC_NOT_SUPPORTED error
// Info: http://stackoverflow.com/questions/32231579/how-to-properly-dispose-of-an-html5-video-and-close-socket-or-connection
this.media.setAttribute('src', this.config.blankVideo);
// Load the new empty source
// This will cancel existing requests
// See https://github.com/sampotts/plyr/issues/174
this.media.load();
// Debugging
this.debug.log('Cancelled network requests');
},
};
export default html5;
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