440 lines
18 KiB
JavaScript
440 lines
18 KiB
JavaScript
"use strict";
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function _typeof(o) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (o) { return typeof o; } : function (o) { return o && "function" == typeof Symbol && o.constructor === Symbol && o !== Symbol.prototype ? "symbol" : typeof o; }, _typeof(o); }
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function _slicedToArray(r, e) { return _arrayWithHoles(r) || _iterableToArrayLimit(r, e) || _unsupportedIterableToArray(r, e) || _nonIterableRest(); }
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function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }
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function _iterableToArrayLimit(r, l) { var t = null == r ? null : "undefined" != typeof Symbol && r[Symbol.iterator] || r["@@iterator"]; if (null != t) { var e, n, i, u, a = [], f = !0, o = !1; try { if (i = (t = t.call(r)).next, 0 === l) { if (Object(t) !== t) return; f = !1; } else for (; !(f = (e = i.call(t)).done) && (a.push(e.value), a.length !== l); f = !0); } catch (r) { o = !0, n = r; } finally { try { if (!f && null != t["return"] && (u = t["return"](), Object(u) !== u)) return; } finally { if (o) throw n; } } return a; } }
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function _arrayWithHoles(r) { if (Array.isArray(r)) return r; }
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function _createForOfIteratorHelper(r, e) { var t = "undefined" != typeof Symbol && r[Symbol.iterator] || r["@@iterator"]; if (!t) { if (Array.isArray(r) || (t = _unsupportedIterableToArray(r)) || e && r && "number" == typeof r.length) { t && (r = t); var _n = 0, F = function F() {}; return { s: F, n: function n() { return _n >= r.length ? { done: !0 } : { done: !1, value: r[_n++] }; }, e: function e(r) { throw r; }, f: F }; } throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); } var o, a = !0, u = !1; return { s: function s() { t = t.call(r); }, n: function n() { var r = t.next(); return a = r.done, r; }, e: function e(r) { u = !0, o = r; }, f: function f() { try { a || null == t["return"] || t["return"](); } finally { if (u) throw o; } } }; }
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function _unsupportedIterableToArray(r, a) { if (r) { if ("string" == typeof r) return _arrayLikeToArray(r, a); var t = {}.toString.call(r).slice(8, -1); return "Object" === t && r.constructor && (t = r.constructor.name), "Map" === t || "Set" === t ? Array.from(r) : "Arguments" === t || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(t) ? _arrayLikeToArray(r, a) : void 0; } }
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function _arrayLikeToArray(r, a) { (null == a || a > r.length) && (a = r.length); for (var e = 0, n = Array(a); e < a; e++) n[e] = r[e]; return n; }
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function ownKeys(e, r) { var t = Object.keys(e); if (Object.getOwnPropertySymbols) { var o = Object.getOwnPropertySymbols(e); r && (o = o.filter(function (r) { return Object.getOwnPropertyDescriptor(e, r).enumerable; })), t.push.apply(t, o); } return t; }
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function _objectSpread(e) { for (var r = 1; r < arguments.length; r++) { var t = null != arguments[r] ? arguments[r] : {}; r % 2 ? ownKeys(Object(t), !0).forEach(function (r) { _defineProperty(e, r, t[r]); }) : Object.getOwnPropertyDescriptors ? Object.defineProperties(e, Object.getOwnPropertyDescriptors(t)) : ownKeys(Object(t)).forEach(function (r) { Object.defineProperty(e, r, Object.getOwnPropertyDescriptor(t, r)); }); } return e; }
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function _classCallCheck(a, n) { if (!(a instanceof n)) throw new TypeError("Cannot call a class as a function"); }
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function _defineProperties(e, r) { for (var t = 0; t < r.length; t++) { var o = r[t]; o.enumerable = o.enumerable || !1, o.configurable = !0, "value" in o && (o.writable = !0), Object.defineProperty(e, _toPropertyKey(o.key), o); } }
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function _createClass(e, r, t) { return r && _defineProperties(e.prototype, r), t && _defineProperties(e, t), Object.defineProperty(e, "prototype", { writable: !1 }), e; }
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function _defineProperty(e, r, t) { return (r = _toPropertyKey(r)) in e ? Object.defineProperty(e, r, { value: t, enumerable: !0, configurable: !0, writable: !0 }) : e[r] = t, e; }
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function _toPropertyKey(t) { var i = _toPrimitive(t, "string"); return "symbol" == _typeof(i) ? i : i + ""; }
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function _toPrimitive(t, r) { if ("object" != _typeof(t) || !t) return t; var e = t[Symbol.toPrimitive]; if (void 0 !== e) { var i = e.call(t, r || "default"); if ("object" != _typeof(i)) return i; throw new TypeError("@@toPrimitive must return a primitive value."); } return ("string" === r ? String : Number)(t); }
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/*字幕处理*/
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var YbSubtitle = /*#__PURE__*/function () {
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function YbSubtitle(player, list, config) {
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_classCallCheck(this, YbSubtitle);
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this.player = player;
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this.list = list || [];
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this.config = config || {};
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this.activeIndex = -1; //渲染字幕位置索引
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this.paused = true; //停止渲染
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this._animation = null; //渲染动画
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}
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//默认配置
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return _createClass(YbSubtitle, [{
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key: "unload",
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value: function unload() {
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this.pause();
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var container = this.player.container;
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var div = container.getElementsByClassName('yb-player-subtitle-text')[0];
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if (div) div.remove();
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}
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}, {
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key: "setConfig",
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value: function setConfig(key, value) {
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this.config[key] = value;
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}
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}, {
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key: "play",
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value: function play() {
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this.paused = false;
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this._render();
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}
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}, {
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key: "pause",
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value: function pause() {
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this.paused = true;
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if (this._animation) {
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window.cancelAnimationFrame(this._animation);
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this._animation = null;
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}
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}
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//渲染字幕
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}, {
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key: "_render",
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value: function _render() {
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var _this = this;
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var container = this.player.container;
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var video = this.player.video;
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if (!video || !container) return;
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var div = container.getElementsByClassName('yb-player-subtitle-text')[0];
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var wrapperEl = container.getElementsByClassName('yb-player-wrapper')[0];
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var nowIndex = this.list.findIndex(function (item) {
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return YbPlayer.timeToSeconds(item.startTime) <= video.currentTime && YbPlayer.timeToSeconds(item.endTime) >= video.currentTime;
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});
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var config = _objectSpread(_objectSpread({}, YbSubtitle.DEFAULT_CONFIG), this.config);
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if (nowIndex > -1 && this.activeIndex != nowIndex) {
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this.activeIndex = nowIndex;
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var nowTitle = this.list[nowIndex];
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if (!div) {
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div = document.createElement('DIV');
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div.setAttribute('class', 'yb-player-subtitle-text');
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wrapperEl.appendChild(div);
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}
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div.style.color = config.color;
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div.style.fontSize = config.fontSize + 'px';
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div.style.bottom = config.bottom;
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div.style.textShadow = "0 0 5px " + config.shadowColor;
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div.innerHTML = "<span>".concat(nowTitle.text, "</span>");
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} else {
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if (div && nowIndex == -1) div.remove();
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}
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if (!this.paused) this._animation = window.requestAnimationFrame(function () {
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return _this._render();
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});
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}
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}], [{
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key: "init",
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value: function init(player, src, config) {
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return new Promise(function (resolve) {
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YbSubtitle.showLoading(player);
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var xhr = new XMLHttpRequest();
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xhr.onreadystatechange = function () {
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if (xhr.readyState == 4) {
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if (xhr.status == 200) {
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YbSubtitle.showResult(player, '加载字幕文件成功');
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var list = src.includes('.srt') ? YbSubtitle.parseSrt(xhr.responseText) : src.includes('.ass') ? YbSubtitle.parseAss(xhr.responseText).events.data.map(function (item) {
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var text = item.Text.replace(/\{.*?\}/g, ''); // 移除{}标签
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text = text.replace(/\\N/g, '<br>'); // 处理换行
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return _objectSpread(_objectSpread({}, item), {}, {
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text: text,
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startTime: item.Start,
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endTime: item.End
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});
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}) : YbSubtitle.parseVtt(xhr.responseText).cues;
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resolve(new YbSubtitle(player, list, config));
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} else {
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YbSubtitle.showResult(player, '加载字幕文件失败');
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resolve(null);
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}
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xhr.abort();
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}
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};
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xhr.onabort = function () {
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xhr = null;
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};
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xhr.open('GET', src);
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xhr.responseType = 'text';
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xhr.send();
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});
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}
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}, {
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key: "showLoading",
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value: function showLoading(player) {
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var container = player.container;
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var wrapperEl = container ? container.getElementsByClassName('yb-player-wrapper')[0] : null;
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if (wrapperEl) {
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var div = document.createElement('DIV');
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div.setAttribute('class', 'yb-player-subtitle-loading');
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div.innerHTML = '正在加载字幕文件';
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wrapperEl.appendChild(div);
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}
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}
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}, {
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key: "hideLoading",
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value: function hideLoading(player) {
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var container = player === null || player === void 0 ? void 0 : player.container;
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var loadingEl = container ? container.getElementsByClassName('yb-player-subtitle-loading')[0] : null;
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if (loadingEl) loadingEl.remove();
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}
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}, {
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key: "showResult",
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value: function showResult(player, message) {
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var container = player.container;
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var loadingEl = container ? container.getElementsByClassName('yb-player-subtitle-loading')[0] : null;
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if (loadingEl) loadingEl.innerHTML = message;
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window.setTimeout(function () {
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YbSubtitle.hideLoading(player);
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}, 1000);
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}
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//格式化SRT字幕
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}, {
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key: "parseSrt",
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value: function parseSrt(content) {
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// 按空行分割字幕块
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var blocks = content.trim().split(/\n\s*\n/);
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var result = [];
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for (var i = 0; i < blocks.length; i++) {
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var lines = blocks[i].split('\n').filter(function (line) {
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return line.trim() !== '';
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});
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if (lines.length < 3) {
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continue; // 跳过无效块
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}
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// 解析序号
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var index = parseInt(lines[0]);
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if (isNaN(index)) {
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throw new Error("\u65E0\u6548\u7684\u5E8F\u53F7: ".concat(lines[0]));
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}
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// 解析时间码
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var timecodeMatch = lines[1].match(/(\d{2}):(\d{2}):(\d{2}),(\d{3})\s*-->\s*(\d{2}):(\d{2}):(\d{2}),(\d{3})/);
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if (!timecodeMatch) {
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throw new Error("\u65E0\u6548\u7684\u65F6\u95F4\u7801\u683C\u5F0F: ".concat(lines[1]));
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}
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var startTime = "".concat(parseInt(timecodeMatch[1]), ":").concat(parseInt(timecodeMatch[2]), ":").concat(parseInt(timecodeMatch[3]), ".").concat(parseInt(timecodeMatch[4]));
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var endTime = "".concat(parseInt(timecodeMatch[5]), ":").concat(parseInt(timecodeMatch[6]), ":").concat(parseInt(timecodeMatch[7]), ".").concat(parseInt(timecodeMatch[8]));
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// 合并文本行
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var text = lines.slice(2).join('\n');
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result.push({
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index: index,
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startTime: startTime,
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endTime: endTime,
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text: text
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});
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}
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return result;
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}
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}, {
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key: "parseAss",
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value: function parseAss(content) {
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var lines = content.split('\n');
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var currentSection = '';
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var result = {
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info: {},
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styles: {
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format: [],
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data: []
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},
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events: {
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format: [],
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data: []
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}
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};
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for (var i = 0; i < lines.length; i++) {
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var line = lines[i].trim();
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// 跳过空行和注释
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if (!line || line.startsWith(';')) continue;
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// 检测段落开始
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if (line.startsWith('[') && line.endsWith(']')) {
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currentSection = line.slice(1, -1).toLowerCase();
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continue;
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}
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// 根据当前段落处理内容
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switch (currentSection) {
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case 'script info':
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parseScriptInfo(line, result.info);
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break;
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case 'v4+ styles':
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parseStyles(line, result.styles);
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break;
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case 'events':
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parseEvents(line, result.events);
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break;
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}
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}
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return result;
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}
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}, {
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key: "parseVtt",
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value: function parseVtt(content) {
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var lines = content.split('\n');
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var cues = [];
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var currentCue = null;
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var note = null;
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var style = null;
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var region = null;
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// 检查文件头
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if (lines.length === 0 || !lines[0].includes('WEBVTT')) {
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throw new Error('无效的VTT文件: 缺少WEBVTT文件头');
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}
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// 解析VTT内容
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for (var i = 1; i < lines.length; i++) {
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var line = lines[i].trim();
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// 跳过空行
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if (line === '') continue;
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// 检查是否是时间轴
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if (line.includes('-->')) {
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// 如果已有当前cue，先保存它
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if (currentCue) {
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cues.push(currentCue);
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}
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// 创建新的cue
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currentCue = {
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identifier: null,
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start: null,
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end: null,
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text: '',
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styles: null
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};
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// 解析时间轴
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var arrowIndex = line.indexOf('-->');
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currentCue.startTime = line.substring(0, arrowIndex).trim();
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currentCue.endTime = line.substring(arrowIndex + 3, arrowIndex + 15).trim();
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var settingsLine = line.substring(arrowIndex + 15).trim();
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// 解析设置（如果有）
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if (settingsLine) currentCue.styles = parseCueSettings(settingsLine);
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}
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// 检查是否是标识符（数字或文本）
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else if (!currentCue && /^\d+$/.test(line)) {
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// 这是标识符行
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if (currentCue) {
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currentCue.identifier = line;
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}
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}
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// 检查是否是注释
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else if (line.startsWith('NOTE')) {
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note = line.substring(4).trim();
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}
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// 检查是否是样式块
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else if (line.startsWith('STYLE')) {
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style = line.substring(5).trim();
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}
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// 检查是否是区域块
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else if (line.startsWith('REGION')) {
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region = line.substring(6).trim();
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}
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// 否则是文本行
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else if (currentCue) {
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if (currentCue.text) {
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currentCue.text += '\n' + line;
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} else {
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currentCue.text = line;
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}
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}
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}
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// 添加最后一个cue
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if (currentCue) {
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cues.push(currentCue);
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}
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return {
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metadata: {
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note: note,
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style: style,
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region: region
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},
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cues: cues
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};
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}
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}]);
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}(); // 解析脚本信息
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_defineProperty(YbSubtitle, "DEFAULT_CONFIG", {
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color: '#ffffff',
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//文字颜色
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fontSize: 18,
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//字体大小
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bottom: '10%',
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//底部边距
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shadowColor: 'rgba(0,0,0,.5)' //阴影颜色
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});
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function parseScriptInfo(line, infoObj) {
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var colonIndex = line.indexOf(':');
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if (colonIndex === -1) return;
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var key = line.substring(0, colonIndex).trim();
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var value = line.substring(colonIndex + 1).trim();
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infoObj[key] = value;
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}
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// 解析样式
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function parseStyles(line, stylesObj) {
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if (line.toLowerCase().startsWith('format:')) {
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// 解析格式行
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var formatLine = line.substring(7).trim();
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stylesObj.format = formatLine.split(',').map(function (item) {
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return item.trim();
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});
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} else if (line.toLowerCase().startsWith('style:')) {
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// 解析样式数据
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var styleLine = line.substring(6).trim();
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var values = parseCsvLine(styleLine);
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if (values.length === stylesObj.format.length) {
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var style = {};
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stylesObj.format.forEach(function (key, index) {
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style[key] = values[index];
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});
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stylesObj.data.push(style);
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}
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}
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}
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// 解析事件
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function parseEvents(line, eventsObj) {
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if (line.toLowerCase().startsWith('format:')) {
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// 解析格式行
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var formatLine = line.substring(7).trim();
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eventsObj.format = formatLine.split(',').map(function (item) {
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return item.trim();
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});
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} else if (line.toLowerCase().startsWith('dialogue:') || line.toLowerCase().startsWith('comment:')) {
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// 解析对话或注释数据
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var typeEnd = line.indexOf(':');
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var type = line.substring(0, typeEnd).trim();
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var dataLine = line.substring(typeEnd + 1).trim();
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var values = parseCsvLine(dataLine);
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if (values.length === eventsObj.format.length) {
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var event = {
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Type: type
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};
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eventsObj.format.forEach(function (key, index) {
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event[key] = values[index];
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});
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eventsObj.data.push(event);
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}
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}
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}
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// 解析CSV格式的行（处理逗号在引号内的情况）
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function parseCsvLine(line) {
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var result = [];
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var current = '';
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var inQuotes = false;
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for (var i = 0; i < line.length; i++) {
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var _char = line[i];
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if (_char === '"') {
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inQuotes = !inQuotes;
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} else if (_char === ',' && !inQuotes) {
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result.push(current.trim());
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current = '';
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} else {
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current += _char;
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}
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}
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result.push(current.trim());
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return result;
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}
|
||
|
||
// 解析Cue设置
|
||
function parseCueSettings(settingsLine) {
|
||
var settings = {};
|
||
var parts = settingsLine.split(' ');
|
||
var _iterator = _createForOfIteratorHelper(parts),
|
||
_step;
|
||
try {
|
||
for (_iterator.s(); !(_step = _iterator.n()).done;) {
|
||
var part = _step.value;
|
||
var _part$split = part.split(':'),
|
||
_part$split2 = _slicedToArray(_part$split, 2),
|
||
key = _part$split2[0],
|
||
value = _part$split2[1];
|
||
if (key && value) {
|
||
settings[key] = value;
|
||
}
|
||
}
|
||
} catch (err) {
|
||
_iterator.e(err);
|
||
} finally {
|
||
_iterator.f();
|
||
}
|
||
return settings;
|
||
}
|
||
//兼容new Function，为了挂载到window对象上
|
||
if (typeof window != 'undefined') {
|
||
window.YbSubtitle = YbSubtitle;
|
||
} |