├── .DS_Store
├── .eslintignore
├── .eslintrc
├── .gitignore
├── .huskyrc
├── .jshintrc
├── .npmignore
├── .prettierignore
├── .prettierrc
├── CONTRIBUTING.md
├── LICENSE
├── NOTICE
├── README.md
├── __tests__
└── scte35.spec.ts
├── assets
└── scte35-logo.png
├── docs
├── 3rdpartylicenses.txt
├── favicon.ico
├── index.html
├── main.ee41ceae1320677d.js
├── polyfills.0fbd8fd937161c1e.js
├── runtime.3445f5888fba5216.js
└── styles.074f85a9e0c913f2.css
├── jsdoc
├── .nojekyll
├── assets
│ ├── highlight.css
│ ├── main.js
│ ├── navigation.js
│ ├── search.js
│ └── style.css
├── classes
│ └── scte35.SCTE35.html
├── enums
│ ├── descriptors.segmentationmessage.html
│ ├── descriptors.segmentationtypeid.html
│ ├── descriptors.segmentationupidtype.html
│ ├── descriptors.splicedescriptortag.html
│ └── iscte35.splicecommandtype.html
├── functions
│ ├── descriptors.parseDescriptor.html
│ ├── util.bytesToUUID.html
│ └── util.shiftThirtyTwoBits.html
├── index.html
├── interfaces
│ ├── ISCTE35.ISCTE35.html
│ ├── ISCTE35.ISplicePrivate.html
│ ├── descriptors.iavaildescriptor.html
│ ├── descriptors.idtmfdescriptor.html
│ ├── descriptors.isegmentationdescriptor.html
│ ├── descriptors.isplicedescriptorbase.html
│ ├── descriptors.itimedescriptor.html
│ ├── iscte35.ibreakduration.html
│ ├── iscte35.isplicecomponent.html
│ ├── iscte35.ispliceevent.html
│ ├── iscte35.ispliceinfosection.html
│ ├── iscte35.ispliceinsertevent.html
│ ├── iscte35.ispliceschedule.html
│ ├── iscte35.isplicescheduleevent.html
│ ├── iscte35.isplicetime.html
│ ├── iscte35.isplicetimecomponent.html
│ └── iscte35.iutcsplicecomponent.html
├── modules
│ ├── ISCTE35-1.html
│ ├── descriptors-1.html
│ ├── descriptors.html
│ ├── iscte35.html
│ ├── scte35-1.html
│ ├── scte35.html
│ ├── util-1.html
│ └── util.html
├── types
│ ├── ISCTE35.EventTag.html
│ ├── ISCTE35.SpliceCommand.html
│ ├── ISCTE35.SpliceEvent.html
│ └── descriptors.ISpliceDescriptor.html
└── variables
│ └── util.THIRTY_TWO_BIT_MULTIPLIER.html
├── package-lock.json
├── package.json
├── scripts
├── cli.js
└── scte35
├── src
├── ISCTE35.ts
├── descriptors.ts
├── scte35.ts
└── util.ts
├── tsconfig-typedoc.json
├── tsconfig.json
└── ui
├── .editorconfig
├── .gitignore
├── README.md
├── angular.json
├── package-lock.json
├── package.json
├── src
├── app
│ ├── app.component.css
│ ├── app.component.html
│ ├── app.component.spec.ts
│ ├── app.component.ts
│ └── app.module.ts
├── assets
│ └── .gitkeep
├── favicon.ico
├── index.html
├── main.ts
└── styles.css
├── tsconfig.app.json
├── tsconfig.json
└── tsconfig.spec.json
/.DS_Store:
--------------------------------------------------------------------------------
https://raw.githubusercontent.com/Comcast/scte35-js/2248183d7da11a9bcb40c69f7b9ae9d9f6d2f5dc/.DS_Store
--------------------------------------------------------------------------------
/.eslintignore:
--------------------------------------------------------------------------------
1 | node_modules
2 | build
3 | docs
4 | jsdoc
5 | __tests__
6 |
--------------------------------------------------------------------------------
/.eslintrc:
--------------------------------------------------------------------------------
1 | {
2 | "root": true,
3 | "parser": "@typescript-eslint/parser",
4 | "plugins": [
5 | "@typescript-eslint"
6 | ],
7 | "extends": [
8 | "eslint:recommended",
9 | "plugin:@typescript-eslint/eslint-recommended",
10 | "plugin:@typescript-eslint/recommended"
11 | ]
12 | }
13 |
--------------------------------------------------------------------------------
/.gitignore:
--------------------------------------------------------------------------------
1 | # Logs
2 | logs
3 | *.log
4 | npm-debug.log*
5 | yarn-debug.log*
6 | yarn-error.log*
7 |
8 | # Runtime data
9 | pids
10 | *.pid
11 | *.seed
12 | *.pid.lock
13 |
14 | # Directory for instrumented libs generated by jscoverage/JSCover
15 | lib-cov
16 |
17 | # Coverage directory used by tools like istanbul
18 | coverage
19 |
20 | # nyc test coverage
21 | .nyc_output
22 |
23 | # Grunt intermediate storage (http://gruntjs.com/creating-plugins#storing-task-files)
24 | .grunt
25 |
26 | # Bower dependency directory (https://bower.io/)
27 | bower_components
28 |
29 | # node-waf configuration
30 | .lock-wscript
31 |
32 | # Compiled binary addons (http://nodejs.org/api/addons.html)
33 | build/Release
34 |
35 | # Dependency directories
36 | node_modules/
37 | jspm_packages/
38 |
39 | # Typescript v1 declaration files
40 | typings/
41 |
42 | # Optional npm cache directory
43 | .npm
44 |
45 | # Optional eslint cache
46 | .eslintcache
47 |
48 | # Optional REPL history
49 | .node_repl_history
50 |
51 | # Output of 'npm pack'
52 | *.tgz
53 |
54 | # Yarn Integrity file
55 | .yarn-integrity
56 |
57 | # dotenv environment variables file
58 | .env
59 |
60 | # TypeScript
61 | dist/
62 | build/
63 |
64 | # IDE
65 | .idea
66 | .iml
67 | .vscode
68 |
--------------------------------------------------------------------------------
/.huskyrc:
--------------------------------------------------------------------------------
1 | {
2 | "hooks": {
3 | "pre-commit": "npm run beautify && npm run lint && npm test",
4 | "post-receive": "npm run docs",
5 | }
6 | }
7 |
--------------------------------------------------------------------------------
/.jshintrc:
--------------------------------------------------------------------------------
1 | {
2 | "esversion": 9
3 | }
4 |
--------------------------------------------------------------------------------
/.npmignore:
--------------------------------------------------------------------------------
1 | test
2 | ui
3 | docs
4 | jsdoc
5 | .nyc_output
6 | .vscode
7 | .jshintrc
8 | .huskyrc
9 | .prettierrc
10 | .prettierignore
11 | .gitignore
12 | __tests__
13 |
14 |
--------------------------------------------------------------------------------
/.prettierignore:
--------------------------------------------------------------------------------
1 | build
2 | coverage
3 | jsdoc
4 | node_modules
5 | report
6 | ui
7 | docs
8 | *.md
9 | package-lock.json
10 | package.json
--------------------------------------------------------------------------------
/.prettierrc:
--------------------------------------------------------------------------------
1 | {
2 | "arrowParens": "always",
3 | "printWidth": 120,
4 | "tabWidth": 4,
5 | "singleQuote": false
6 | }
7 |
--------------------------------------------------------------------------------
/CONTRIBUTING.md:
--------------------------------------------------------------------------------
1 | ## Contributing
2 |
3 | If you would like to contribute code to this project you can do so through
4 | GitHub by forking the repository and sending a pull request.
5 | Before Comcast merges your code into the project you must sign the [Comcast
6 | Contributor License Agreement
7 | (CLA)](https://gist.github.com/ComcastOSS/a7b8933dd8e368535378cda25c92d19a).
8 |
9 | If you haven't previously signed a Comcast CLA, you'll automatically be asked
10 | to when you open a pull request. Alternatively, we can send you a PDF that
11 | you can sign and scan back to us. Please create a new GitHub issue to request
12 | a PDF version of the CLA.
13 |
--------------------------------------------------------------------------------
/LICENSE:
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/NOTICE:
--------------------------------------------------------------------------------
1 | scte35-js
2 |
3 | Copyright 2018 Comcast Cable Communications Management, LLC
4 |
5 | Licensed under the Apache License, Version 2.0 (the "License");
6 | you may not use this file except in compliance with the License.
7 | You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
8 |
9 | Unless required by applicable law or agreed to in writing, software
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12 | See the License for the specific language governing permissions and
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14 |
15 | SPDX-License-Identifier: Apache-2.0
16 | This product includes software developed at Comcast (http://www.comcast.com/).
17 |
--------------------------------------------------------------------------------
/README.md:
--------------------------------------------------------------------------------
1 | 
2 |
3 |
ANSI/SCTE35 JS PARSER
4 |
5 | SCTE35 tools for parsing in CLI using NodeJS or in a "modern" browser.
6 |
7 | ## Demo
8 |
9 | Visit https://comcast.github.io/scte35-js/ and paste the following in the text box and hit the `Parse` button:
10 |
11 | `/DBGAAET8J+pAP/wBQb+AAAAAAAwAi5DVUVJQAErgX+/CR9TSUdOQUw6OGlTdzllUWlGVndBQUFBQUFBQUJCQT09NwMDaJ6RZQ==`
12 |
13 | In order to deploy changes to the demo read the README found at https://github.com/Comcast/scte35-js/tree/master/ui.
14 |
15 | ## SCTE35 Module
16 |
17 | // See ISCTE35 for methods & ISpliceInfoSection for results.
18 |
19 | ```typescript
20 | import { SCTE35 } from "scte35";
21 | const scte35: SCTE35 = new SCTE35();
22 | const result = scte35.parseFromB64("");
23 | ```
24 |
25 | ## CLI
26 |
27 | The parser can be executed from the bin by first installing it globally and then executing the `scte35` command:
28 |
29 | ```bash
30 | npm i scte35 -g
31 | scte35
32 | > ? Please provide the SCTE-35 tag that you would like to parse
33 | ```
34 |
35 | Parsing defaults to base 64, however hexadecimal can easily be parsed as well using the `--hex` flag
36 |
37 | ```bash
38 |
39 | #default base64
40 | scte35 /DBGAAET8J+pAP/wBQb+AAAAAAAwAi5DVUVJQAErgX+/CR9TSUdOQUw6OGlTdzllUWlGVndBQUFBQUFBQUJCQT09NwMDaJ6RZQ==
41 |
42 | #hexadecimal
43 | scte35 --hex fc3046000113f09fa900fff00506fe000000000030022e4355454940012b817fbf091f5349474e414c3a386953773965516946567741414141414141414242413d3d370303689e9165
44 |
45 | #both will output the formatted JSON
46 | > {
47 | "tableId": 252,
48 | "selectionSyntaxIndicator": false,
49 | "privateIndicator": false,
50 | ...
51 | }
52 | ```
53 |
54 | ### Piping
55 |
56 | The parser output can be piped into other tools, such as a JSON display utility like `fx` in order to visualize the JSON object and interact with it.
57 |
58 | ```bash
59 | npm i -g fx
60 | scte35 /DBGAAET8J+pAP/wBQb+AAAAAAAwAi5DVUVJQAErgX+/CR9TSUdOQUw6OGlTdzllUWlGVndBQUFBQUFBQUJCQT09NwMDaJ6RZQ== | fx
61 | ```
62 |
--------------------------------------------------------------------------------
/__tests__/scte35.spec.ts:
--------------------------------------------------------------------------------
1 | /**
2 | * Copyright 2018 Comcast Cable Communications Management, LLC
3 | *
4 | * Licensed under the Apache License, Version 2.0 (the "License");
5 | * you may not use this file except in compliance with the License.
6 | * You may obtain a copy of the License at
7 | *
8 | * http://www.apache.org/licenses/LICENSE-2.0
9 | *
10 | * Unless required by applicable law or agreed to in writing, software
11 | * distributed under the License is distributed on an "AS IS" BASIS,
12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 | * See the License for the specific language governing permissions and
14 | * limitations under the License.
15 | *
16 | * SPDX-License-Identifier: Apache-2.0
17 | */
18 |
19 | import { expect } from "chai";
20 | import { SCTE35 } from "../src/scte35";
21 | import { ISpliceInsertEvent, ISpliceTime, ISplicePrivate, SpliceCommandType } from "../src/ISCTE35";
22 | import * as descriptors from "../src/descriptors";
23 |
24 | describe("SCTE35", () => {
25 | const scte35: SCTE35 = new SCTE35();
26 |
27 | describe("PARSE BASE 64", () => {
28 | it("should parse from base64", () => {
29 | const base64 =
30 | "/DBGAAET8J+pAP/wBQb+AAAAAAAwAi5DVUVJQAErgX+/CR9TSUdOQUw6OGlTdzllUWlGVndBQUFBQUFBQUJCQT09NwMDaJ6RZQ==";
31 | const spliceInfo = scte35.parseFromB64(base64);
32 | // Confirms that all 33 bits are read correctly
33 | expect(spliceInfo.ptsAdjustment).to.eq(4629503913);
34 | });
35 |
36 | it("should parse from base64", () => {
37 | const base64 =
38 | "/DBoAAFDizjpAP/wBQb/ebGh8wBSAhhDVUVJXAJwnn+3AQlIREkwMzA0MDghAQACGkNVRUlcAnC6f/cAAZUdEwEGUFMxODgxNAAAAhpDVUVJXAJwu3/3AAApMbEBBlBTMTg4MTAAABLEqgg=";
39 | const spliceInfo = scte35.parseFromB64(base64);
40 | // Confirms that all 33 bits are read correctly
41 | expect(spliceInfo.ptsAdjustment).to.eq(5428164841);
42 | });
43 |
44 | it("should parse two descriptors", () => {
45 | const base64 =
46 | "/DBfAAHsGNoe///wBQb+F08gCQBJAhxDVUVJxHIBUX//AAEgwfgICAAFH4HEcgFRNAIDAilDVUVJAAAAAH+/DBpWTU5VAV/G7ALs/RHgrKYAJrlBTzABAAAAAAEAAH2eFFg=";
47 | const spliceInfo = scte35.parseFromB64(base64);
48 | expect(spliceInfo.descriptors).to.not.equal(undefined);
49 | if (spliceInfo.descriptors) {
50 | expect(spliceInfo.descriptors.length).to.eq(2);
51 | }
52 | });
53 |
54 | it("should parse scte-35 with private_command()", () => {
55 | const base64 = "/DA5AAAAAAAAAP/wKP8AAAABZXdvZ0ltMWxjM05oWjJVaU9pQWlZV1JrVjJsa1oyVjBJZ3A5AAAUDmUl";
56 | const spliceInfo = scte35.parseFromB64(base64);
57 | const splicePrivate = spliceInfo.spliceCommand as ISplicePrivate;
58 | expect(splicePrivate.identifier).to.equal(1);
59 | expect(String.fromCharCode(...new Uint8Array(splicePrivate.rawData))).to.equal(
60 | "ewogIm1lc3NhZ2UiOiAiYWRkV2lkZ2V0Igp9",
61 | );
62 | });
63 |
64 | /*tslint:disable*/
65 | //TODO: write unit tests for additional property checking on these base64 string
66 | // it("should parse from another base64", () => {
67 | // const base64 = "/DBvAAFDizjpAP/wBQb+K9F+MgBZAhlDVUVJXAL02n+3AQpIRDExMjM0OFQxIQEAAh1DVUVJXAL2U3/3AAGb/KUBCUhEQ00xMDY0ODQAAAIdQ1VFSVwC9lR/9wAAKTGxAQlIRENNMTA2NDgwAADHDHPR";
68 | // const spliceInfo = scte35.parseFromB64(base64);
69 | // });
70 |
71 | // it("should parse yet another base64", () => {
72 | // const base64 = "/DBpAAFDizjpAP/wBQb+MSGYXQBTAhdDVUVJXBGNE3+3AQhIRFRQMTg3OTEBAAIYQ1VFSVwRin9/twEJSERDTTExMDczNQAAAh5DVUVJXBGNMX/3AAI4g+0BCkhEMTA4NTExVDQgAQAvzOfd";
73 | // const spliceInfo = scte35.parseFromB64(base64);
74 | // });
75 | /*tslint:enable*/
76 | });
77 |
78 | describe("PARSE HEX", () => {
79 | it("should parse ptsAdjustment", () => {
80 | const base64 =
81 | "fc3046000113f09fa900fff00506fe000000000030022e4355454940012b817fbf091f5349474e414c3a386953773965516946567741414141414141414242413d3d370303689e9165";
82 | const spliceInfo = scte35.parseFromHex(base64);
83 | // TODO: Confirms that all 33 bits are read correctly
84 | expect(spliceInfo.ptsAdjustment).to.eq(4629503913);
85 | });
86 |
87 | it("should parse splice_insert", () => {
88 | const hex = "/DAlAAAAAAAAAP/wFAUAAqbVf+/+AAAAAH4AUmXAAAAAAAAAdIQsGg==";
89 | const spliceInfo = scte35.parseFromB64(hex);
90 | expect((spliceInfo.spliceCommand as any).spliceTime.specified).to.eql(true);
91 | expect((spliceInfo.spliceCommand as any).breakDuration.duration).to.eql(5400000);
92 | });
93 | });
94 |
95 | describe("UTILITIES", () => {
96 | it("should parse base64 string Hello World", () => {
97 | const helloWorld = "SGVsbG8sIFdvcmxkIQ==";
98 | expect((scte35 as any).parseBase64(helloWorld)).to.equal("Hello, World!");
99 | });
100 |
101 | it("should parse special message", () => {
102 | const message =
103 | "V2UgYXJlIGxvb2tpbmcgZm9yIGNvbnRyaWJ1dG9ycyB0aGF0IHdhbnQgdG8gaGVscCBpbXByb3ZlIHRoaXMgbGlicmFyeSwgd2FudCB0byBoZWxwPw==";
104 | expect((scte35 as any).parseBase64(message)).to.equal(
105 | "We are looking for contributors that want to help improve this library, want to help?",
106 | );
107 | });
108 | });
109 |
110 | describe("Legacy splice_command_length==0x0fff", () => {
111 | it("should parse time_signal", () => {
112 | const base64 = "/DA6AAAAAAAAAP///wb+GIZQCAAkAiJDVUVJAAv9L3//AAFeMHAMDkRJU0M2NzQ5NjNfOTk4MAEBsXXbjg";
113 | const spliceInfo = scte35.parseFromB64(base64);
114 | expect(spliceInfo.spliceCommandType).to.equal(SpliceCommandType.TIME_SIGNAL);
115 | const spliceCommand = spliceInfo.spliceCommand as ISpliceTime;
116 | expect(spliceCommand.pts).to.equal(411455496);
117 |
118 | expect(spliceInfo.descriptors).to.not.equal(undefined);
119 | expect(spliceInfo.descriptors?.length).to.equal(1);
120 | if (spliceInfo.descriptors) {
121 | expect(spliceInfo.descriptors[0].identifier).to.equal("CUEI");
122 | const spliceDescriptor = spliceInfo.descriptors[0] as descriptors.ISegmentationDescriptor;
123 | expect(spliceDescriptor.segmentationDuration).to.eq(22950000);
124 | expect(spliceDescriptor.segmentationTypeId).to.eq(48);
125 | }
126 | });
127 |
128 | it("should parse splice_insert", () => {
129 | const base64 = "/DAxAAAAAAAAAP///wUAhcJPf+/+zBS4Ln4AUmXAAAAAAAAMAQpDVUVJAJ8wNDgq0FP4ig";
130 | const spliceInfo = scte35.parseFromB64(base64);
131 | expect(spliceInfo.spliceCommandType).to.equal(SpliceCommandType.SPLICE_INSERT);
132 | const spliceCommand = spliceInfo.spliceCommand as ISpliceInsertEvent;
133 | expect(spliceCommand.spliceEventId).to.equal(8766031);
134 | expect(spliceCommand.spliceTime?.pts).to.equal(3423909934);
135 | expect(spliceCommand.breakDuration?.duration).to.equal(5400000);
136 |
137 | expect(spliceInfo.descriptors).to.not.equal(undefined);
138 | expect(spliceInfo.descriptors?.length).to.equal(1);
139 | if (spliceInfo.descriptors) {
140 | expect(spliceInfo.descriptors[0].identifier).to.equal("CUEI");
141 | }
142 | });
143 | });
144 | });
145 |
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