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implemented SRT Parser

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Luis Miguel Almánzar
2014-05-10 22:29:34 -04:00
parent 4e710ec0a4
commit f2237b858a
4 changed files with 212 additions and 6 deletions
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108
MediaBrowser.Tests/MediaEncoding/Subtitles/SrtParserTests.cs Normal file
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using System;
using System.Collections.Generic;
using System.IO;
using MediaBrowser.MediaEncoding.Subtitles;
using Microsoft.VisualStudio.TestTools.UnitTesting;
namespace MediaBrowser.Tests.MediaEncoding.Subtitles {
[TestClass]
public class SrtParserTests {
[TestMethod]
public void TestParse() {
var expectedSubs =
new SubtitleTrackInfo {
TrackEvents = new List<SubtitleTrackEvent> {
new SubtitleTrackEvent {
Id = "1",
StartPositionTicks = 24000000,
EndPositionTicks = 52000000,
Text =
"[Background Music Playing]"
},
new SubtitleTrackEvent {
Id = "2",
StartPositionTicks = 157120000,
EndPositionTicks = 173990000,
Text =
"Oh my god, Watch out!<br />It's coming!!"
},
new SubtitleTrackEvent {
Id = "3",
StartPositionTicks = 257120000,
EndPositionTicks = 303990000,
Text = "[Bird noises]"
},
new SubtitleTrackEvent {
Id = "4",
StartPositionTicks = 310000000,
EndPositionTicks = 319990000,
Text =
"This text is <font color=\"red\">RED</font> and has not been positioned."
},
new SubtitleTrackEvent {
Id = "5",
StartPositionTicks = 320000000,
EndPositionTicks = 329990000,
Text =
"This is a<br />new line, as is<br />this"
},
new SubtitleTrackEvent {
Id = "6",
StartPositionTicks = 330000000,
EndPositionTicks = 339990000,
Text =
"This contains nested <b>bold, <i>italic, <u>underline</u> and <s>strike-through</s></u></i></b> HTML tags"
},
new SubtitleTrackEvent {
Id = "7",
StartPositionTicks = 340000000,
EndPositionTicks = 349990000,
Text =
"Unclosed but <b>supported HTML tags are left in, SSA italics aren't"
},
new SubtitleTrackEvent {
Id = "8",
StartPositionTicks = 350000000,
EndPositionTicks = 359990000,
Text =
"&lt;ggg&gt;Unsupported&lt;/ggg&gt; HTML tags are escaped and left in, even if &lt;hhh&gt;not closed."
},
new SubtitleTrackEvent {
Id = "9",
StartPositionTicks = 360000000,
EndPositionTicks = 369990000,
Text =
"Multiple SSA tags are stripped"
},
new SubtitleTrackEvent {
Id = "10",
StartPositionTicks = 370000000,
EndPositionTicks = 379990000,
Text =
"Greater than (&lt;) and less than (&gt;) are shown"
}
}
};
var sut = new SrtParser();
var stream = File.OpenRead(@"MediaEncoding\Subtitles\TestSubtitles\unit.srt");
var result = sut.Parse(stream);
Assert.IsNotNull(result);
Assert.AreEqual(expectedSubs.TrackEvents.Count,result.TrackEvents.Count);
for (int i = 0; i < expectedSubs.TrackEvents.Count; i++)
{
Assert.AreEqual(expectedSubs.TrackEvents[i].Id, result.TrackEvents[i].Id);
Assert.AreEqual(expectedSubs.TrackEvents[i].StartPositionTicks, result.TrackEvents[i].StartPositionTicks);
Assert.AreEqual(expectedSubs.TrackEvents[i].EndPositionTicks, result.TrackEvents[i].EndPositionTicks);
Assert.AreEqual(expectedSubs.TrackEvents[i].Text, result.TrackEvents[i].Text);
}
}
}
}

44
MediaBrowser.Tests/MediaEncoding/Subtitles/TestSubtitles/unit.srt Normal file
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1
00:00:02.400 --> 00:00:05.200
[Background Music Playing]
2
00:00:15,712 --> 00:00:17,399 X1:000 X2:000 Y1:050 Y2:100
Oh my god, Watch out!
It's coming!!
3
00:00:25,712 --> 00:00:30,399
[Bird noises]
4
00:00:31,000 --> 00:00:31,999
This text is <font color="red">RED</font> and has not been {\pos(142,120)}positioned.
5
00:00:32,000 --> 00:00:32,999
This is a\nnew line, as is\Nthis
6
00:00:33,000 --> 00:00:33,999
This contains nested <b>bold, <i>italic, <u>underline</u> and <s>strike-through</s></u></i></b> HTML tags
7
00:00:34,000 --> 00:00:34,999
Unclosed but <b>supported HTML tags are left in, {\i1} SSA italics aren't
8
00:00:35,000 --> 00:00:35,999
<ggg>Unsupported</ggg> HTML tags are escaped and left in, even if <hhh>not closed.
9
00:00:36,000 --> 00:00:36,999
Multiple {\pos(142,120)\b1}SSA tags are stripped
10
00:00:37,000 --> 00:00:37,999
Greater than (<) and less than (>) are shown