mirror of
https://github.com/shaka-project/shaka-player.git
synced 2026-06-23 17:27:16 +03:00
Joey Parrish
9759eddf54
We do not support CSS embedded in WebVTT at this time. Instead of failing to parse the cues, skip the style block. Closes #1104 Change-Id: I3d500ba11afe43e81bbdef9924e4dd9e05db2b85
589 lines
18 KiB
JavaScript
589 lines
18 KiB
JavaScript
/**
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* @license
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* Copyright 2016 Google Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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describe('VttTextParser', function() {
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/** @type {!jasmine.Spy} */
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var logWarningSpy;
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/** @const */
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var Cue = shaka.text.Cue;
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beforeAll(function() {
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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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beforeEach(function() {
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logWarningSpy.calls.reset();
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});
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it('supports no cues', function() {
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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', function() {
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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', function() {
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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', function() {
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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', function() {
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verifyHelper(
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[
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{start: 20, end: 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', function() {
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verifyHelper(
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[
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{start: 20, end: 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', function() {
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verifyHelper(
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[
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{start: 20, end: 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', function() {
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verifyHelper(
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[
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{start: 20, end: 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', function() {
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verifyHelper(
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[
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{start: 20, end: 40, payload: 'Test', id: '1'},
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{start: 40, end: 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', function() {
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verifyHelper(
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[
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{start: 20, end: 40, payload: 'Test'},
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{start: 40, end: 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', function() {
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verifyHelper(
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[
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{start: 20, end: 40, payload: 'Test'},
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{start: 40, end: 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', function() {
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verifyHelper(
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[
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{start: 20.1, end: 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', function() {
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verifyHelper(
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[
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{start: 20, end: 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', function() {
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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', function() {
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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', function() {
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verifyHelper(
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[
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{
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start: 20,
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end: 40,
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payload: 'Test',
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writingDirection: Cue.writingDirection.VERTICAL_RIGHT_TO_LEFT
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},
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{
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start: 40,
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end: 50,
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payload: 'Test2',
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writingDirection: Cue.writingDirection.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', function() {
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verifyHelper(
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[
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{
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start: 20, end: 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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start: 40, end: 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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start: 50, end: 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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start: 55, end: 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', function() {
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verifyHelper(
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[
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{
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start: 20, end: 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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start: 40, end: 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', function() {
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verifyHelper(
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[
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{start: 20, end: 40, payload: 'Test', position: 45},
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{start: 25, end: 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', function() {
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verifyHelper(
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[
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{
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start: 20, end: 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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start: 20, end: 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', function() {
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verifyHelper(
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[
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{start: 20, end: 40, payload: 'Test', size: 56},
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{start: 25, end: 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', function() {
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verifyHelper(
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[
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{start: 20, end: 40, payload: 'Test', align: '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', function() {
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verifyHelper(
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[
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{
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start: 20,
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end: 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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writingDirection: Cue.writingDirection.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', function() {
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verifyHelper(
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[
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{
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start: 20,
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end: 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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writingDirection: Cue.writingDirection.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', function() {
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verifyHelper(
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[
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{
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start: 20,
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end: 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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writingDirection: Cue.writingDirection.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', function() {
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verifyHelper(
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[
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{
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start: 20,
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end: 40,
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payload: 'Test',
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align: 'center',
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size: 56,
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writingDirection: Cue.writingDirection.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', function() {
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verifyHelper(
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[
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{
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start: 40, // Note these are 20s off of the cue
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end: 60, // because using relative timestamps
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payload: 'Test',
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align: 'center',
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size: 56,
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writingDirection: Cue.writingDirection.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('ignores and logs invalid settings', function() {
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expect(logWarningSpy.calls.count()).toBe(0);
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verifyHelper(
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[
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{start: 20, end: 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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{start: 20, end: 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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{start: 20, end: 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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{start: 20, end: 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 line:-3%\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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{start: 20, end: 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 line:45%%\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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{start: 20, end: 40, payload: 'Test'}
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|
],
|
|
'WEBVTT\n\n' +
|
|
'00:00:20.000 --> 00:00:40.000 align:10\n' +
|
|
'Test\n\n',
|
|
{ periodStart: 0, segmentStart: 0, segmentEnd: 0 });
|
|
|
|
verifyHelper(
|
|
[
|
|
{start: 20, end: 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.calls.count()).toBe(7);
|
|
});
|
|
|
|
it('respects X-TIMESTAMP-MAP header', function() {
|
|
verifyHelper(
|
|
[
|
|
{start: 30, end: 50, payload: 'Test'},
|
|
{start: 50, end: 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: 0, segmentEnd: 0 });
|
|
});
|
|
|
|
it('skips style blocks', function() {
|
|
verifyHelper(
|
|
[
|
|
{start: 20, end: 40, payload: 'Test'},
|
|
{start: 40, end: 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 {shakaExtern.TextParser.TimeContext} time
|
|
*/
|
|
function verifyHelper(cues, text, time) {
|
|
var data = new Uint8Array(shaka.util.StringUtils.toUTF8(text));
|
|
|
|
var result = new shaka.text.VttTextParser().parseMedia(data, time);
|
|
expect(result).toBeTruthy();
|
|
expect(result.length).toBe(cues.length);
|
|
for (var i = 0; i < cues.length; i++) {
|
|
expect(result[i].startTime).toBe(cues[i].start);
|
|
expect(result[i].endTime).toBe(cues[i].end);
|
|
expect(result[i].payload).toBe(cues[i].payload);
|
|
|
|
if ('id' in cues[i])
|
|
expect(result[i].id).toBe(cues[i].id);
|
|
if ('vertical' in cues[i])
|
|
expect(result[i].writingDirection).toBe(cues[i].writingDirection);
|
|
if ('line' in cues[i])
|
|
expect(result[i].line).toBe(cues[i].line);
|
|
if ('textAlign' in cues[i])
|
|
expect(result[i].textAlign).toBe(cues[i].textAlign);
|
|
if ('size' in cues[i])
|
|
expect(result[i].size).toBe(cues[i].size);
|
|
if ('position' in cues[i])
|
|
expect(result[i].position).toBe(cues[i].position);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @param {shaka.util.Error.Code} code
|
|
* @param {string} text
|
|
* @param {shakaExtern.TextParser.TimeContext} time
|
|
*/
|
|
function errorHelper(code, text, time) {
|
|
var error = new shaka.util.Error(
|
|
shaka.util.Error.Severity.CRITICAL, shaka.util.Error.Category.TEXT,
|
|
code);
|
|
var data = new Uint8Array(shaka.util.StringUtils.toUTF8(text));
|
|
try {
|
|
new shaka.text.VttTextParser().parseMedia(data, time);
|
|
fail('Invalid WebVTT file supported');
|
|
} catch (e) {
|
|
shaka.test.Util.expectToEqualError(e, error);
|
|
}
|
|
}
|
|
});
|