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* The copyright in this software is being made available under the BSD License,
* included below. This software may be subject to other third party and contributor
* rights, including patent rights, and no such rights are granted under this license.
*
* Copyright (c) 2013, Dash Industry Forum.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation and/or
* other materials provided with the distribution.
* * Neither the name of Dash Industry Forum nor the names of its
* contributors may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS AS IS AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
import MssFragmentMoofProcessor from './MssFragmentMoofProcessor.js';
import MssFragmentMoovProcessor from './MssFragmentMoovProcessor.js';
import {HTTPRequest} from '../streaming/vo/metrics/HTTPRequest.js';
import FactoryMaker from '../core/FactoryMaker.js';
// Add specific box processors not provided by codem-isoboxer library
function arrayEqual(arr1, arr2) {
return (arr1.length === arr2.length) && arr1.every(function (element, index) {
return element === arr2[index];
});
}
function saioProcessor() {
this._procFullBox();
if (this.flags & 1) {
this._procField('aux_info_type', 'uint', 32);
this._procField('aux_info_type_parameter', 'uint', 32);
}
this._procField('entry_count', 'uint', 32);
this._procFieldArray('offset', this.entry_count, 'uint', (this.version === 1) ? 64 : 32);
}
function saizProcessor() {
this._procFullBox();
if (this.flags & 1) {
this._procField('aux_info_type', 'uint', 32);
this._procField('aux_info_type_parameter', 'uint', 32);
}
this._procField('default_sample_info_size', 'uint', 8);
this._procField('sample_count', 'uint', 32);
if (this.default_sample_info_size === 0) {
this._procFieldArray('sample_info_size', this.sample_count, 'uint', 8);
}
}
function sencProcessor() {
this._procFullBox();
this._procField('sample_count', 'uint', 32);
if (this.flags & 1) {
this._procField('IV_size', 'uint', 8);
}
this._procEntries('entry', this.sample_count, function (entry) {
this._procEntryField(entry, 'InitializationVector', 'data', 8);
if (this.flags & 2) {
this._procEntryField(entry, 'NumberOfEntries', 'uint', 16);
this._procSubEntries(entry, 'clearAndCryptedData', entry.NumberOfEntries, function (clearAndCryptedData) {
this._procEntryField(clearAndCryptedData, 'BytesOfClearData', 'uint', 16);
this._procEntryField(clearAndCryptedData, 'BytesOfEncryptedData', 'uint', 32);
});
}
});
}
function uuidProcessor() {
let tfxdUserType = [0x6D, 0x1D, 0x9B, 0x05, 0x42, 0xD5, 0x44, 0xE6, 0x80, 0xE2, 0x14, 0x1D, 0xAF, 0xF7, 0x57, 0xB2];
let tfrfUserType = [0xD4, 0x80, 0x7E, 0xF2, 0xCA, 0x39, 0x46, 0x95, 0x8E, 0x54, 0x26, 0xCB, 0x9E, 0x46, 0xA7, 0x9F];
let sepiffUserType = [0xA2, 0x39, 0x4F, 0x52, 0x5A, 0x9B, 0x4f, 0x14, 0xA2, 0x44, 0x6C, 0x42, 0x7C, 0x64, 0x8D, 0xF4];
if (arrayEqual(this.usertype, tfxdUserType)) {
this._procFullBox();
if (this._parsing) {
this.type = 'tfxd';
}
this._procField('fragment_absolute_time', 'uint', (this.version === 1) ? 64 : 32);
this._procField('fragment_duration', 'uint', (this.version === 1) ? 64 : 32);
}
if (arrayEqual(this.usertype, tfrfUserType)) {
this._procFullBox();
if (this._parsing) {
this.type = 'tfrf';
}
this._procField('fragment_count', 'uint', 8);
this._procEntries('entry', this.fragment_count, function (entry) {
this._procEntryField(entry, 'fragment_absolute_time', 'uint', (this.version === 1) ? 64 : 32);
this._procEntryField(entry, 'fragment_duration', 'uint', (this.version === 1) ? 64 : 32);
});
}
Iif (arrayEqual(this.usertype, sepiffUserType)) {
if (this._parsing) {
this.type = 'sepiff';
}
sencProcessor.call(this);
}
}
function MssFragmentProcessor(config) {
config = config || {};
const context = this.context;
const dashMetrics = config.dashMetrics;
const playbackController = config.playbackController;
const eventBus = config.eventBus;
const protectionController = config.protectionController;
const ISOBoxer = config.ISOBoxer;
const debug = config.debug;
let mssFragmentMoovProcessor,
mssFragmentMoofProcessor,
instance;
function setup() {
ISOBoxer.addBoxProcessor('uuid', uuidProcessor);
ISOBoxer.addBoxProcessor('saio', saioProcessor);
ISOBoxer.addBoxProcessor('saiz', saizProcessor);
ISOBoxer.addBoxProcessor('senc', sencProcessor);
mssFragmentMoovProcessor = MssFragmentMoovProcessor(context).create({
protectionController: protectionController,
constants: config.constants,
ISOBoxer: ISOBoxer});
mssFragmentMoofProcessor = MssFragmentMoofProcessor(context).create({
dashMetrics: dashMetrics,
playbackController: playbackController,
ISOBoxer: ISOBoxer,
eventBus: eventBus,
debug: debug,
errHandler: config.errHandler
});
}
function generateMoov(rep) {
return mssFragmentMoovProcessor.generateMoov(rep);
}
function processFragment(e, streamProcessor) {
if (!e || !e.request || !e.response) {
throw new Error('e parameter is missing or malformed');
}
if (e.request.type === 'MediaSegment') {
// MediaSegment => convert to Smooth Streaming moof format
mssFragmentMoofProcessor.convertFragment(e, streamProcessor);
} else Eif (e.request.type === HTTPRequest.MSS_FRAGMENT_INFO_SEGMENT_TYPE) {
// FragmentInfo (live) => update segments list
mssFragmentMoofProcessor.updateSegmentList(e, streamProcessor);
// Stop event propagation (FragmentInfo must not be added to buffer)
e.sender = null;
}
}
instance = {
generateMoov,
processFragment
};
setup();
return instance;
}
MssFragmentProcessor.__dashjs_factory_name = 'MssFragmentProcessor';
export default FactoryMaker.getClassFactory(MssFragmentProcessor);
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