rx-player
Version:
Canal+ HTML5 Video Player
80 lines (79 loc) • 3.28 kB
JavaScript
;
/**
* Copyright 2015 CANAL+ Group
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
var __values = (this && this.__values) || function(o) {
var s = typeof Symbol === "function" && Symbol.iterator, m = s && o[s], i = 0;
if (m) return m.call(o);
if (o && typeof o.length === "number") return {
next: function () {
if (o && i >= o.length) o = void 0;
return { value: o && o[i++], done: !o };
}
};
throw new TypeError(s ? "Object is not iterable." : "Symbol.iterator is not defined.");
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.default = parseVTTStringToVTTCues;
var is_vtt_cue_1 = require("../../../../compat/is_vtt_cue");
var get_cue_blocks_1 = require("../get_cue_blocks");
var parse_cue_block_1 = require("../parse_cue_block");
var utils_1 = require("../utils");
var set_settings_on_cue_1 = require("./set_settings_on_cue");
var to_native_cue_1 = require("./to_native_cue");
// Simple VTT to ICompatVTTCue parser:
// Just parse cues and associated settings.
// Does not take into consideration STYLE and REGION blocks.
/**
* Parse whole WEBVTT file into an array of cues, to be inserted in a video's
* TrackElement.
* @param {string} vttStr
* @param {Number} timeOffset
* @returns {Array.<ICompatVTTCue|TextTrackCue>}
*/
function parseVTTStringToVTTCues(vttStr, timeOffset) {
var e_1, _a;
// WEBVTT authorize CRLF, LF or CR as line terminators
var lines = vttStr.split(/\r\n|\n|\r/);
if (!/^WEBVTT($| |\t)/.test(lines[0])) {
throw new Error("Can't parse WebVTT: Invalid file.");
}
var firstLineAfterHeader = (0, utils_1.getFirstLineAfterHeader)(lines);
var cueBlocks = (0, get_cue_blocks_1.default)(lines, firstLineAfterHeader);
var cues = [];
try {
for (var cueBlocks_1 = __values(cueBlocks), cueBlocks_1_1 = cueBlocks_1.next(); !cueBlocks_1_1.done; cueBlocks_1_1 = cueBlocks_1.next()) {
var cueBlock = cueBlocks_1_1.value;
var cueObject = (0, parse_cue_block_1.default)(cueBlock, timeOffset);
if (cueObject !== null) {
var nativeCue = (0, to_native_cue_1.default)(cueObject);
if (nativeCue !== null) {
if ((0, is_vtt_cue_1.default)(nativeCue)) {
(0, set_settings_on_cue_1.default)(cueObject.settings, nativeCue);
}
cues.push(nativeCue);
}
}
}
}
catch (e_1_1) { e_1 = { error: e_1_1 }; }
finally {
try {
if (cueBlocks_1_1 && !cueBlocks_1_1.done && (_a = cueBlocks_1.return)) _a.call(cueBlocks_1);
}
finally { if (e_1) throw e_1.error; }
}
return cues;
}