33 lines
1021 B
JavaScript
33 lines
1021 B
JavaScript
Q = document.querySelector.bind(document);
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function text(msg) { return document.createTextNode(msg); }
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function clearNode(node) { while (node.firstChild) node.removeChild(node.firstChild); }
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function toTimestamp(s) {
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var s = Math.floor(s);
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var m = Math.floor(s/60); var s = s % 60;
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return `0${m}:`.slice(-3) + `0${s}`.slice(-2);
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}
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var cur_track_idx = 0;
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function getActiveTranscriptTrackIdx() {
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let textTracks = Q("video").textTracks;
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if (!textTracks.length) return;
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for (let i=0; i < textTracks.length; i++) {
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if (textTracks[i].mode == "showing") {
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cur_track_idx = i;
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return cur_track_idx;
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}
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}
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return cur_track_idx;
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}
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function getActiveTranscriptTrack() { return Q("video").textTracks[getActiveTranscriptTrackIdx()]; }
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function getDefaultTranscriptTrackIdx() {
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let textTracks = Q("video").textTracks;
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return textTracks.length - 1;
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}
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window.addEventListener('DOMContentLoaded', function() {
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cur_track_idx = getDefaultTranscriptTrackIdx();
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});
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