mirror of
https://github.com/shaka-project/shaka-player.git
synced 2026-06-17 16:26:39 +03:00
Joey Parrish
64896d70b0
This reflects changes in Google's policy on JavaScript license headers, which should be smaller to avoid increasing the size of the binary unnecessarily. This also updates the company name from "Google, Inc" to "Google LLC". Change-Id: I3f8b9ed3700b6351f43173d50c94d35c333e82b4
617 lines
19 KiB
JavaScript
617 lines
19 KiB
JavaScript
/** @license
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* Copyright 2016 Google LLC
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* SPDX-License-Identifier: Apache-2.0
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*/
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describe('VttTextParser', () => {
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const Cue = shaka.text.Cue;
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const CueRegion = shaka.text.CueRegion;
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const originalLogWarning = shaka.log.warning;
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/** @type {!jasmine.Spy} */
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let logWarningSpy;
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beforeEach(() => {
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logWarningSpy = jasmine.createSpy('shaka.log.warning');
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shaka.log.warning = shaka.test.Util.spyFunc(logWarningSpy);
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});
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afterEach(() => {
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shaka.log.warning = originalLogWarning;
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});
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it('supports no cues', () => {
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verifyHelper([],
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'WEBVTT',
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{periodStart: 0, segmentStart: 0, segmentEnd: 0});
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});
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it('supports initial comments', () => {
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verifyHelper([],
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'WEBVTT - Comments',
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{periodStart: 0, segmentStart: 0, segmentEnd: 0});
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});
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it('supports comment blocks', () => {
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verifyHelper([],
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'WEBVTT\n\n' +
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'NOTE\n' +
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'This is a comment block',
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{periodStart: 0, segmentStart: 0, segmentEnd: 0});
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});
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it('supports comment blocks with inital comment', () => {
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verifyHelper([],
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'WEBVTT\n\n' +
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'NOTE - A header comment\n' +
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'This is a comment block',
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{periodStart: 0, segmentStart: 0, segmentEnd: 0});
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});
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it('handles a blank line at the end of the file', () => {
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verifyHelper(
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[
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{startTime: 20, endTime: 40, payload: 'Test'},
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],
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'WEBVTT\n\n' +
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'00:00:20.000 --> 00:00:40.000\n' +
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'Test\n\n',
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{periodStart: 0, segmentStart: 0, segmentEnd: 0});
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});
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it('handles no blank line at the end of the file', () => {
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verifyHelper(
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[
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{startTime: 20, endTime: 40, payload: 'Test'},
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],
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'WEBVTT\n\n' +
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'00:00:20.000 --> 00:00:40.000\n' +
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'Test\n',
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{periodStart: 0, segmentStart: 0, segmentEnd: 0,
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});
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});
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it('handles no newline after the final text payload', () => {
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verifyHelper(
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[
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{startTime: 20, endTime: 40, payload: 'Test'},
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],
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'WEBVTT\n\n' +
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'00:00:20.000 --> 00:00:40.000\n' +
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'Test',
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{periodStart: 0, segmentStart: 0, segmentEnd: 0});
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});
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it('ignores offset', () => {
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verifyHelper(
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[
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{startTime: 20, endTime: 40, payload: 'Test'},
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],
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'WEBVTT\n\n' +
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'00:00:20.000 --> 00:00:40.000\n' +
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'Test',
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{periodStart: 0, segmentStart: 0, segmentEnd: 0});
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});
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it('supports cues with no settings', () => {
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verifyHelper(
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[
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{startTime: 20, endTime: 40, payload: 'Test', id: '1'},
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{startTime: 40, endTime: 50, payload: 'Test2', id: '2'},
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],
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'WEBVTT\n\n' +
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'1\n' +
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'00:00:20.000 --> 00:00:40.000\n' +
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'Test\n\n' +
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'2\n' +
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'00:00:40.000 --> 00:00:50.000\n' +
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'Test2',
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{periodStart: 0, segmentStart: 0, segmentEnd: 0});
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});
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it('supports cues with no ID', () => {
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verifyHelper(
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[
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{startTime: 20, endTime: 40, payload: 'Test'},
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{startTime: 40, endTime: 50, payload: 'Test2'},
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],
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'WEBVTT\n\n' +
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'00:00:20.000 --> 00:00:40.000\n' +
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'Test\n\n' +
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'00:00:40.000 --> 00:00:50.000\n' +
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'Test2',
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{periodStart: 0, segmentStart: 0, segmentEnd: 0});
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});
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it('supports comments within cues', () => {
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verifyHelper(
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[
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{startTime: 20, endTime: 40, payload: 'Test'},
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{startTime: 40, endTime: 50, payload: 'Test2'},
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],
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'WEBVTT\n\n' +
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'00:00:20.000 --> 00:00:40.000\n' +
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'Test\n\n' +
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'NOTE\n' +
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'This is a note\n\n' +
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'00:00:40.000 --> 00:00:50.000\n' +
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'Test2',
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{periodStart: 0, segmentStart: 0, segmentEnd: 0});
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});
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it('supports non-integer timecodes', () => {
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verifyHelper(
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[
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{startTime: 20.1, endTime: 40.505, payload: 'Test'},
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],
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'WEBVTT\n\n' +
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'00:00:20.100 --> 00:00:40.505\n' +
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'Test',
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{periodStart: 0, segmentStart: 0, segmentEnd: 0});
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});
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it('supports large timecodes', () => {
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verifyHelper(
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[
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{startTime: 20, endTime: 108000, payload: 'Test'},
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],
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'WEBVTT\n\n' +
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'00:00:20.000 --> 30:00:00.000\n' +
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'Test',
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{periodStart: 0, segmentStart: 0, segmentEnd: 0});
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});
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it('requires header', () => {
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errorHelper(shaka.util.Error.Code.INVALID_TEXT_HEADER,
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'',
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{periodStart: 0, segmentStart: 0, segmentEnd: 0});
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errorHelper(shaka.util.Error.Code.INVALID_TEXT_HEADER,
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'00:00:00.000 --> 00:00:00.020\nTest',
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{periodStart: 0, segmentStart: 0, segmentEnd: 0});
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});
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it('rejects invalid time values', () => {
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errorHelper(shaka.util.Error.Code.INVALID_TEXT_CUE,
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'WEBVTT\n\n00.020 --> 0:00.040\nTest',
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{periodStart: 0, segmentStart: 0, segmentEnd: 0});
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errorHelper(shaka.util.Error.Code.INVALID_TEXT_CUE,
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'WEBVTT\n\n0:00.020 --> 0:00.040\nTest',
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{periodStart: 0, segmentStart: 0, segmentEnd: 0});
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errorHelper(shaka.util.Error.Code.INVALID_TEXT_CUE,
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'WEBVTT\n\n00:00.20 --> 0:00.040\nTest',
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{periodStart: 0, segmentStart: 0, segmentEnd: 0});
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errorHelper(shaka.util.Error.Code.INVALID_TEXT_CUE,
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'WEBVTT\n\n00:100.20 --> 0:00.040\nTest',
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{periodStart: 0, segmentStart: 0, segmentEnd: 0});
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errorHelper(shaka.util.Error.Code.INVALID_TEXT_CUE,
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'WEBVTT\n\n00:00.020 --> 0:00.040\nTest',
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{periodStart: 0, segmentStart: 0, segmentEnd: 0});
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errorHelper(shaka.util.Error.Code.INVALID_TEXT_CUE,
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'WEBVTT\n\n00:00:00:00.020 --> 0:00.040\nTest',
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{periodStart: 0, segmentStart: 0, segmentEnd: 0});
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errorHelper(shaka.util.Error.Code.INVALID_TEXT_CUE,
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'WEBVTT\n\n00:61.020 --> 0:00.040\nTest',
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{periodStart: 0, segmentStart: 0, segmentEnd: 0});
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errorHelper(shaka.util.Error.Code.INVALID_TEXT_CUE,
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'WEBVTT\n\n61:00.020 --> 0:00.040\nTest',
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{periodStart: 0, segmentStart: 0, segmentEnd: 0});
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});
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it('supports vertical setting', () => {
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verifyHelper(
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[
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{
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startTime: 20,
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endTime: 40,
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payload: 'Test',
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writingMode: Cue.writingMode.VERTICAL_RIGHT_TO_LEFT,
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},
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{
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startTime: 40,
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endTime: 50,
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payload: 'Test2',
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writingMode: Cue.writingMode.VERTICAL_LEFT_TO_RIGHT,
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},
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],
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'WEBVTT\n\n' +
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'00:00:20.000 --> 00:00:40.000 vertical:rl\n' +
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'Test\n\n' +
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'00:00:40.000 --> 00:00:50.000 vertical:lr\n' +
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'Test2',
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{periodStart: 0, segmentStart: 0, segmentEnd: 0});
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});
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it('supports line setting', () => {
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verifyHelper(
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[
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{
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startTime: 20, endTime: 40, payload: 'Test', line: 0,
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lineInterpretation: Cue.lineInterpretation.LINE_NUMBER,
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},
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{
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startTime: 40, endTime: 50, payload: 'Test2', line: -1,
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lineInterpretation: Cue.lineInterpretation.LINE_NUMBER,
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},
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{
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startTime: 50, endTime: 60, payload: 'Test3', line: 45,
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lineInterpretation: Cue.lineInterpretation.PERCENTAGE,
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},
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{
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startTime: 55, endTime: 65, payload: 'Test4', line: 12.3,
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lineInterpretation: Cue.lineInterpretation.PERCENTAGE,
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},
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],
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'WEBVTT\n\n' +
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'00:00:20.000 --> 00:00:40.000 line:0\n' +
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'Test\n\n' +
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'00:00:40.000 --> 00:00:50.000 line:-1\n' +
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'Test2\n\n' +
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'00:00:50.000 --> 00:01:00.000 line:45%\n' +
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'Test3\n\n' +
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'00:00:55.000 --> 00:01:05.000 line:12.3%\n' +
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'Test4\n\n',
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{periodStart: 0, segmentStart: 0, segmentEnd: 0});
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});
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it('supports line setting with optional part', () => {
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verifyHelper(
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[
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{
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startTime: 20, endTime: 40, payload: 'Test', line: 10,
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lineInterpretation: Cue.lineInterpretation.PERCENTAGE,
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lineAlign: Cue.lineAlign.START,
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},
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{
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startTime: 40, endTime: 50, payload: 'Test2', line: -1,
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lineInterpretation: Cue.lineInterpretation.LINE_NUMBER,
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lineAlign: Cue.lineAlign.CENTER,
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},
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],
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'WEBVTT\n\n' +
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'00:00:20.000 --> 00:00:40.000 line:10%,start\n' +
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'Test\n\n' +
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'00:00:40.000 --> 00:00:50.000 line:-1,center\n' +
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'Test2',
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{periodStart: 0, segmentStart: 0, segmentEnd: 0});
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});
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it('supports position setting', () => {
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verifyHelper(
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[
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{startTime: 20, endTime: 40, payload: 'Test', position: 45},
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{startTime: 25, endTime: 45, payload: 'Test2', position: 12.3},
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],
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'WEBVTT\n\n' +
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'00:00:20.000 --> 00:00:40.000 position:45%\n' +
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'Test\n\n' +
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'00:00:25.000 --> 00:00:45.000 position:12.3%\n' +
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'Test2\n\n',
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{periodStart: 0, segmentStart: 0, segmentEnd: 0});
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});
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it('supports position setting with optional part', () => {
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verifyHelper(
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[
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{
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startTime: 20, endTime: 40, payload: 'Test', position: 45,
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positionAlign: Cue.positionAlign.LEFT,
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},
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{
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startTime: 20, endTime: 40, payload: 'Test2', position: 45,
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positionAlign: Cue.positionAlign.LEFT,
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},
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],
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'WEBVTT\n\n' +
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'00:00:20.000 --> 00:00:40.000 position:45%,line-left\n' +
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'Test\n\n' +
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'00:00:20.000 --> 00:00:40.000 position:45%,start\n' +
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'Test2',
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{periodStart: 0, segmentStart: 0, segmentEnd: 0});
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});
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it('supports size setting', () => {
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verifyHelper(
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[
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{startTime: 20, endTime: 40, payload: 'Test', size: 56},
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{startTime: 25, endTime: 45, payload: 'Test2', size: 12.3},
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],
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'WEBVTT\n\n' +
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'00:00:20.000 --> 00:00:40.000 size:56%\n' +
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'Test\n\n' +
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'00:00:25.000 --> 00:00:45.000 size:12.3%\n' +
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'Test2\n\n',
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{periodStart: 0, segmentStart: 0, segmentEnd: 0});
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});
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it('supports align setting', () => {
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verifyHelper(
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[
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{startTime: 20, endTime: 40, payload: 'Test', textAlign: 'center'},
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],
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'WEBVTT\n\n' +
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'00:00:20.000 --> 00:00:40.000 align:center\n' +
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'Test',
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{periodStart: 0, segmentStart: 0, segmentEnd: 0});
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});
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it('supports multiple settings', () => {
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verifyHelper(
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[
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{
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startTime: 20,
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endTime: 40,
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payload: 'Test',
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textAlign: Cue.textAlign.CENTER,
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size: 56,
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writingMode: Cue.writingMode.VERTICAL_LEFT_TO_RIGHT,
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},
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],
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'WEBVTT\n\n' +
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'00:00:20.000 --> 00:00:40.000 align:center size:56% vertical:lr\n' +
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'Test',
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{periodStart: 0, segmentStart: 0, segmentEnd: 0});
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});
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it('supports timestamps with one-digit hour at start time', () => {
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verifyHelper(
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[
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{
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startTime: 20,
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endTime: 40,
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payload: 'Test',
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textAlign: Cue.textAlign.CENTER,
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size: 56,
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writingMode: Cue.writingMode.VERTICAL_LEFT_TO_RIGHT,
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},
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],
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'WEBVTT\n\n' +
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'0:00:20.000 --> 00:00:40.000 align:center size:56% vertical:lr\n' +
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'Test',
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{periodStart: 0, segmentStart: 0, segmentEnd: 0});
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});
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it('supports timestamps with one-digit hour at end time', () => {
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verifyHelper(
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[
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{
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startTime: 20,
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endTime: 40,
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payload: 'Test',
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textAlign: Cue.textAlign.CENTER,
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size: 56,
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writingMode: Cue.writingMode.VERTICAL_LEFT_TO_RIGHT,
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},
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],
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'WEBVTT\n\n' +
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'00:00:20.000 --> 0:00:40.000 align:center size:56% vertical:lr\n' +
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'Test',
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{periodStart: 0, segmentStart: 0, segmentEnd: 0});
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});
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it('supports stamps with one-digit hours at start & end time', () => {
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verifyHelper(
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[
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{
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startTime: 20,
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endTime: 40,
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payload: 'Test',
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textAlign: 'center',
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size: 56,
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writingMode: Cue.writingMode.VERTICAL_LEFT_TO_RIGHT,
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},
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],
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'WEBVTT\n\n' +
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'0:00:20.000 --> 0:00:40.000 align:center size:56% vertical:lr\n' +
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'Test',
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{periodStart: 0, segmentStart: 0, segmentEnd: 0});
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});
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it('uses segment time', () => {
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verifyHelper(
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[
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{
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startTime: 40, // Note these are 20s off of the cue
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endTime: 60, // because using relative timestamps
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payload: 'Test',
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textAlign: 'center',
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size: 56,
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writingMode: Cue.writingMode.VERTICAL_LEFT_TO_RIGHT,
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},
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],
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'WEBVTT\n\n' +
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'0:00:20.000 --> 0:00:40.000 align:center size:56% vertical:lr\n' +
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'Test',
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{periodStart: 0, segmentStart: 20, segmentEnd: 0});
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});
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it('parses VTTRegions', () => {
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verifyHelper(
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[
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{
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startTime: 20,
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endTime: 40,
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payload: 'Test',
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region: jasmine.objectContaining({
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id: 'reg1',
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viewportAnchorX: 10,
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viewportAnchorY: 90,
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regionAnchorX: 0,
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regionAnchorY: 100,
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width: 50,
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height: 3,
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heightUnits: CueRegion.units.LINES,
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widthUnits: CueRegion.units.PERCENTAGE,
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viewportAnchorUnits: CueRegion.units.PERCENTAGE,
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scroll: CueRegion.scrollMode.UP,
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}),
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},
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],
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'WEBVTT\n' +
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'Region: id=reg1 width=50% lines=3 regionanchor=0%,100% ' +
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'viewportanchor=10%,90% scroll=up\n\n' +
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'0:00:20.000 --> 0:00:40.000 region:reg1\n' +
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'Test',
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{periodStart: 0, segmentStart: 0, segmentEnd: 0});
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});
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it('ignores and logs invalid settings', () => {
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expect(logWarningSpy).not.toHaveBeenCalled();
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verifyHelper(
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[
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{startTime: 20, endTime: 40, payload: 'Test'},
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],
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'WEBVTT\n\n' +
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'00:00:20.000 --> 00:00:40.000 vertical:es\n' +
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'Test\n\n',
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{periodStart: 0, segmentStart: 0, segmentEnd: 0});
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verifyHelper(
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[
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{startTime: 20, endTime: 40, payload: 'Test'},
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],
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'WEBVTT\n\n' +
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'00:00:20.000 --> 00:00:40.000 vertical:\n' +
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'Test\n\n',
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{periodStart: 0, segmentStart: 0, segmentEnd: 0});
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verifyHelper(
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[
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{startTime: 20, endTime: 40, payload: 'Test'},
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],
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'WEBVTT\n\n' +
|
|
'00:00:20.000 --> 00:00:40.000 vertical\n' +
|
|
'Test\n\n',
|
|
{periodStart: 0, segmentStart: 0, segmentEnd: 0});
|
|
|
|
verifyHelper(
|
|
[
|
|
{startTime: 20, endTime: 40, payload: 'Test'},
|
|
],
|
|
'WEBVTT\n\n' +
|
|
'00:00:20.000 --> 00:00:40.000 line:-3%\n' +
|
|
'Test\n\n',
|
|
{periodStart: 0, segmentStart: 0, segmentEnd: 0});
|
|
|
|
verifyHelper(
|
|
[
|
|
{startTime: 20, endTime: 40, payload: 'Test'},
|
|
],
|
|
'WEBVTT\n\n' +
|
|
'00:00:20.000 --> 00:00:40.000 line:45%%\n' +
|
|
'Test\n\n',
|
|
{periodStart: 0, segmentStart: 0, segmentEnd: 0});
|
|
|
|
verifyHelper(
|
|
[
|
|
{startTime: 20, endTime: 40, payload: 'Test'},
|
|
],
|
|
'WEBVTT\n\n' +
|
|
'00:00:20.000 --> 00:00:40.000 align:10\n' +
|
|
'Test\n\n',
|
|
{periodStart: 0, segmentStart: 0, segmentEnd: 0});
|
|
|
|
verifyHelper(
|
|
[
|
|
{startTime: 20, endTime: 40, payload: 'Test'},
|
|
],
|
|
'WEBVTT\n\n' +
|
|
'00:00:20.000 --> 00:00:40.000 align:foo\n' +
|
|
'Test\n\n',
|
|
{periodStart: 0, segmentStart: 0, segmentEnd: 0});
|
|
|
|
expect(logWarningSpy).toHaveBeenCalledTimes(7);
|
|
});
|
|
|
|
it('parses X-TIMESTAMP-MAP header', () => {
|
|
verifyHelper(
|
|
[
|
|
{startTime: 30, endTime: 50, payload: 'Test'},
|
|
{startTime: 50, endTime: 60, payload: 'Test2'},
|
|
],
|
|
// 900000 = 10 sec, so expect every timestamp to be 10
|
|
// seconds ahead of what is specified.
|
|
'WEBVTT\n' +
|
|
'X-TIMESTAMP-MAP=MPEGTS:900000,LOCAL:00:00:00.000\n\n' +
|
|
'00:00:20.000 --> 00:00:40.000 line:0\n' +
|
|
'Test\n\n' +
|
|
'00:00:40.000 --> 00:00:50.000 line:-1\n' +
|
|
'Test2',
|
|
{periodStart: 0, segmentStart: 25, segmentEnd: 65});
|
|
});
|
|
|
|
it('handles timestamp rollover with X-TIMESTAMP-MAP header', () => {
|
|
verifyHelper(
|
|
[
|
|
{startTime: 95443, endTime: 95445, payload: 'Test'},
|
|
],
|
|
// 8589870000/900000 = 95443 sec, so expect every timestamp to be 95443
|
|
// seconds ahead of what is specified.
|
|
'WEBVTT\n' +
|
|
'X-TIMESTAMP-MAP=MPEGTS:8589870000,LOCAL:00:00:00.000\n\n' +
|
|
'00:00:00.000 --> 00:00:02.000 line:0\n' +
|
|
'Test',
|
|
// Non-null segmentStart takes precedence over X-TIMESTAMP-MAP.
|
|
// This protects us from rollover in the MPEGTS field.
|
|
{periodStart: 0, segmentStart: 95440, segmentEnd: 95550});
|
|
|
|
verifyHelper(
|
|
[
|
|
{startTime: 95552, endTime: 95554, payload: 'Test2'},
|
|
],
|
|
// 95550 is larger than the roll over timestamp, so the timestamp offset
|
|
// gets rolled over.
|
|
// (9745408 + 0x200000000) / 90000 = 95552 sec
|
|
'WEBVTT\n' +
|
|
'X-TIMESTAMP-MAP=MPEGTS:9745408,LOCAL:00:00:00.000\n\n' +
|
|
'00:00:00.000 --> 00:00:02.000 line:0\n' +
|
|
'Test2',
|
|
{periodStart: 0, segmentStart: 95550, segmentEnd: 95560});
|
|
});
|
|
|
|
it('skips style blocks', () => {
|
|
verifyHelper(
|
|
[
|
|
{startTime: 20, endTime: 40, payload: 'Test'},
|
|
{startTime: 40, endTime: 50, payload: 'Test2'},
|
|
],
|
|
'WEBVTT\n\n' +
|
|
'STYLE\n::cue(.cyan) { color: cyan; }\n\n' +
|
|
'00:00:20.000 --> 00:00:40.000\n' +
|
|
'Test\n\n' +
|
|
'00:00:40.000 --> 00:00:50.000\n' +
|
|
'Test2',
|
|
{periodStart: 0, segmentStart: 0, segmentEnd: 0});
|
|
});
|
|
|
|
|
|
/**
|
|
* @param {!Array} cues
|
|
* @param {string} text
|
|
* @param {shaka.extern.TextParser.TimeContext} time
|
|
*/
|
|
function verifyHelper(cues, text, time) {
|
|
const data =
|
|
shaka.util.BufferUtils.toUint8(shaka.util.StringUtils.toUTF8(text));
|
|
|
|
const result = new shaka.text.VttTextParser().parseMedia(data, time);
|
|
expect(result).toEqual(cues.map((c) => jasmine.objectContaining(c)));
|
|
}
|
|
|
|
/**
|
|
* @param {shaka.util.Error.Code} code
|
|
* @param {string} text
|
|
* @param {shaka.extern.TextParser.TimeContext} time
|
|
*/
|
|
function errorHelper(code, text, time) {
|
|
const error = shaka.test.Util.jasmineError(new shaka.util.Error(
|
|
shaka.util.Error.Severity.CRITICAL, shaka.util.Error.Category.TEXT,
|
|
code));
|
|
const data =
|
|
shaka.util.BufferUtils.toUint8(shaka.util.StringUtils.toUTF8(text));
|
|
expect(() => new shaka.text.VttTextParser().parseMedia(data, time))
|
|
.toThrow(error);
|
|
}
|
|
});
|