rx-player
Version:
Canal+ HTML5 Video Player
67 lines (66 loc) • 2.41 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.
*/
Object.defineProperty(exports, "__esModule", { value: true });
exports.default = parseSRTStringToVTTCues;
var make_vtt_cue_1 = require("../../../compat/make_vtt_cue");
var buffer_source_to_uint8_1 = require("../../../utils/buffer_source_to_uint8");
var string_parsing_1 = require("../../../utils/string_parsing");
var get_cue_blocks_1 = require("./get_cue_blocks");
var parse_cue_1 = require("./parse_cue");
/**
* Parse whole srt file into an array of cues, to be inserted in a video's
* TrackElement.
* @param {string|bufferSource} input
* @param {Object} _context
* @param {Number} timeOffset
* @returns {Array.<VTTCue|TextTrackCue>}
*/
function parseSRTStringToVTTCues(input, _context, timeOffset) {
var srtStr;
if (typeof input !== "string") {
// Assume UTF-8
// TODO: detection?
srtStr = (0, string_parsing_1.utf8ToStr)((0, buffer_source_to_uint8_1.default)(input));
}
else {
srtStr = input;
}
// Even if srt only authorize CRLF, we will also take LF or CR as line
// terminators for resilience
var lines = srtStr.split(/\r\n|\n|\r/);
var cueBlocks = (0, get_cue_blocks_1.default)(lines);
var cues = [];
for (var i = 0; i < cueBlocks.length; i++) {
var cueObject = (0, parse_cue_1.default)(cueBlocks[i], timeOffset);
if (cueObject !== null) {
var nativeCue = toNativeCue(cueObject);
if (nativeCue !== null) {
cues.push(nativeCue);
}
}
}
return cues;
}
/**
* @param {Object} cueObj
* @returns {TextTrackCue|VTTCue|null}
*/
function toNativeCue(cueObj) {
var start = cueObj.start, end = cueObj.end, payload = cueObj.payload;
var text = payload.join("\n");
return (0, make_vtt_cue_1.default)(start, end, text);
}