rx-player
Version:
Canal+ HTML5 Video Player
77 lines (76 loc) • 3.27 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 __read = (this && this.__read) || function (o, n) {
var m = typeof Symbol === "function" && o[Symbol.iterator];
if (!m) return o;
var i = m.call(o), r, ar = [], e;
try {
while ((n === void 0 || n-- > 0) && !(r = i.next()).done) ar.push(r.value);
}
catch (error) { e = { error: error }; }
finally {
try {
if (r && !r.done && (m = i["return"])) m.call(i);
}
finally { if (e) throw e.error; }
}
return ar;
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.default = createVideoInitSegment;
var isobmff_1 = require("../../../parsers/containers/isobmff");
var string_parsing_1 = require("../../../utils/string_parsing");
var create_boxes_1 = require("./create_boxes");
var create_init_segment_1 = require("./create_init_segment");
/**
* Return full video Init segment as Uint8Array
* @param {Number} timescale - lowest number, this one will be set into mdhd
* *10000 in mvhd, e.g. 1000
* @param {Number} width
* @param {Number} height
* @param {Number} hRes
* @param {Number} vRes
* @param {Number} nalLength (1, 2 or 4)
* @param {string} codecPrivateData
* @param {Uint8Array} [keyId]
* @returns {Uint8Array}
*/
function createVideoInitSegment(timescale, width, height, hRes, vRes, nalLength, codecPrivateData, keyId) {
var _a = __read(codecPrivateData.split("00000001"), 3), spsHex = _a[1], ppsHex = _a[2];
if (spsHex === undefined || ppsHex === undefined) {
throw new Error("Smooth: unsupported codec private data.");
}
var sps = (0, string_parsing_1.hexToBytes)(spsHex);
var pps = (0, string_parsing_1.hexToBytes)(ppsHex);
// TODO NAL length is forced to 4
var avcc = (0, create_boxes_1.createAVCCBox)(sps, pps, nalLength);
var stsd;
if (keyId === undefined) {
var avc1 = (0, create_boxes_1.createAVC1Box)(width, height, hRes, vRes, "AVC Coding", 24, avcc);
stsd = (0, create_boxes_1.createSTSDBox)([avc1]);
}
else {
var tenc = (0, create_boxes_1.createTENCBox)(1, 8, keyId);
var schi = (0, isobmff_1.createBoxWithChildren)("schi", [tenc]);
var schm = (0, create_boxes_1.createSCHMBox)("cenc", 65536);
var frma = (0, create_boxes_1.createFRMABox)("avc1");
var sinf = (0, isobmff_1.createBoxWithChildren)("sinf", [frma, schm, schi]);
var encv = (0, create_boxes_1.createENCVBox)(width, height, hRes, vRes, "AVC Coding", 24, avcc, sinf);
stsd = (0, create_boxes_1.createSTSDBox)([encv]);
}
return (0, create_init_segment_1.default)(timescale, "video", stsd, (0, create_boxes_1.createVMHDBox)(), width, height);
}