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Fix for Whisper Post-processing - thx Purfview/cvrle77 :)

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Somewhat related to  #8044
This commit is contained in:
Nikolaj Olsson 2024-03-20 19:53:32 +01:00
parent 419a884770
commit 001cad505d
4 changed files with 154 additions and 21 deletions
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102
src/Test/Core/AudioToTextTest.cs
View File

@ -115,5 +115,107 @@ Lexington, Massachusetts.";
Assert.IsTrue(fixedSubtitle.Paragraphs[4].Text.EndsWith("camp.", StringComparison.Ordinal));
Assert.IsTrue(fixedSubtitle.Paragraphs[5].Text.StartsWith("Hey there", StringComparison.Ordinal));
}
[TestMethod]
public void TryForWholeSentences1()
{
var raw = @"12
00:00:25,500 --> 00:00:27,060
Oh, my... Bob, right?
13
00:00:28,560 --> 00:00:29,220
Could be fun.
14
00:00:29,660 --> 00:00:32,580
Well, we could get to know each other a
little, maybe loosen things up around
15
00:00:32,580 --> 00:00:33,060
here?
16
00:00:33,680 --> 00:00:39,160
Well, I've worked with this lot before,
and, erm... Yeah, this is as loose as they
17
00:00:39,160 --> 00:00:40,300
get.
18
00:00:46,120 --> 00:00:46,340
Hmm.
19
00:00:48,160 --> 00:00:49,120
What's the about that, Bob's?
20
00:00:49,120 --> 00:00:49,860
Oh, no.
21
00:00:50,580 --> 00:00:50,700
Yep.
22
00:00:51,240 --> 00:00:52,600
I felt that soon as I said it.
23
00:00:54,860 --> 00:00:56,340
Right, I'm headed out.
24
00:00:57,460 --> 00:00:58,780
Everyone have a great day, yeah?
25
00:00:58,780 --> 00:00:59,600
Yeah.
26
00:01:00,600 --> 00:01:01,880
Wait.
27
00:01:01,880 --> 00:01:02,480
Wait.";
var subtitle = new Subtitle();
new SubRip().LoadSubtitle(subtitle, raw.SplitToLines(), null);
var fixedSubtitle = AudioToTextPostProcessor.TryForWholeSentences(subtitle, "en", 42);
Assert.AreEqual(14, fixedSubtitle.Paragraphs.Count);
Assert.IsTrue(fixedSubtitle.Paragraphs[2].Text == "Well, we could get to know each other a" + Environment.NewLine + "little, maybe loosen things up around here?");
Assert.IsTrue(fixedSubtitle.Paragraphs[3].Text == "Well, I've worked with this lot before, and," + Environment.NewLine + "erm... Yeah, this is as loose as they get.");
Assert.IsTrue(fixedSubtitle.Paragraphs[4].Text == "Hmm.");
Assert.IsTrue(fixedSubtitle.Paragraphs[5].Text == "What's the about that, Bob's?");
}
[TestMethod]
public void TryForWholeSentences2()
{
var raw = @"1
00:00:26,500 --> 00:00:27,060
Yes, I think this could indeed be very good. But also
2
00:00:28,560 --> 00:00:29,220
that could be fun indeed my friend.";
var subtitle = new Subtitle();
new SubRip().LoadSubtitle(subtitle, raw.SplitToLines(), null);
var fixedSubtitle = AudioToTextPostProcessor.TryForWholeSentences(subtitle, "en", 42);
Assert.AreEqual(2, fixedSubtitle.Paragraphs.Count);
Assert.IsTrue(fixedSubtitle.Paragraphs[0].Text == "Yes, I think this could" + Environment.NewLine + "indeed be very good.");
Assert.IsTrue(fixedSubtitle.Paragraphs[1].Text == "But also that could be" + Environment.NewLine + "fun indeed my friend.");
}
}
}

13
src/Test/Logic/AutoTranslate/MergeAndSplitHelperTest.cs
View File

@ -172,15 +172,22 @@ namespace Test.Logic.AutoTranslate
Assert.IsTrue(splitResult[0].Length > 5);
Assert.IsTrue(splitResult[1].Length > 5);
Assert.IsTrue(splitResult[2].Length > 5);
Assert.AreEqual(string.Join(" ", subtitle.Paragraphs.Select(p => p.Text)), string.Join(" ", splitResult));
var subtitleText = string.Join("", subtitle.Paragraphs.Select(p => p.Text)).RemoveChar('\n', '\r', ' ');
var splitText = string.Join("", splitResult).RemoveChar('\n', '\r', ' ');
Assert.AreEqual(subtitleText, splitText);
Assert.AreEqual("Hallo there. In the" + Environment.NewLine + "garden today are we?", splitResult[0]);
Assert.AreEqual("So I will very", splitResult[1]);
Assert.AreEqual("soon be going home to Sweden.", splitResult[2]);
Assert.AreEqual("My name is Peter!", splitResult[3]);
Assert.AreEqual("My name is Peter! And Jones.", splitResult[4]);
Assert.AreEqual("My name is Peter. And Jones.", splitResult[5]);
Assert.AreEqual("", splitResult[6]);
Assert.AreEqual("Hallo there.", splitResult[7]);
var inputText = string.Join(" ", subtitle.Paragraphs.Select(p => p.Text)).Replace(Environment.NewLine, " ");
var splitResultText = string.Join(" ", splitResult);
var inputText = string.Join("", subtitle.Paragraphs.Select(p => p.Text)).RemoveChar('\n', '\r', ' ');
var splitResultText = string.Join("", splitResult).RemoveChar('\n', '\r', ' ');
Assert.AreEqual(inputText, splitResultText);
}
}

53
src/libse/AudioToText/AudioToTextPostProcessor.cs
View File

@ -64,11 +64,7 @@ namespace Nikse.SubtitleEdit.Core.AudioToText
continue;
}
if (TwoLetterLanguageCode == "en")
{
// anything?
}
else if (TwoLetterLanguageCode == "da")
if (TwoLetterLanguageCode == "da")
{
if (paragraph.Text.Contains("Danske tekster af nicolai winther", StringComparison.OrdinalIgnoreCase))
{
@ -144,10 +140,12 @@ namespace Nikse.SubtitleEdit.Core.AudioToText
return subtitle;
}
public static Subtitle TryForWholeSentences(Subtitle inputSubtitle, string language, int lineMxLength)
public static Subtitle TryForWholeSentences(Subtitle inputSubtitle, string language, int lineMaxLength)
{
var s = new Subtitle(inputSubtitle);
const int maxMoveChunkSize = 15;
var deleteIndices = new List<int>();
for (var i = 0; i < s.Paragraphs.Count - 1; i++)
{
var p = s.Paragraphs[i];
@ -158,14 +156,21 @@ namespace Nikse.SubtitleEdit.Core.AudioToText
p.EndTime.TotalMilliseconds - next.StartTime.TotalMilliseconds > 100 ||
p.Text.Contains('<') ||
next.Text.Contains('<') ||
!(p.Text.Contains('.') || next.Text.Contains('.')) ||
p.Text.EndsWith('.'))
!(p.Text.Contains('.') || p.Text.Contains('?') || p.Text.Contains('!') || next.Text.Contains('.') || next.Text.Contains('?') || next.Text.Contains('!')) ||
p.Text.EndsWith('.') ||
p.Text.EndsWith('?') ||
p.Text.EndsWith('!'))
{
continue;
}
if (deleteIndices.Contains(i))
{
continue;
}
// check for period in last part of p
var lastPeriodIdx = p.Text.LastIndexOf('.');
var lastPeriodIdx = p.Text.LastIndexOfAny(new char[] { '.', '?', '!' });
if (lastPeriodIdx > 3 && lastPeriodIdx > p.Text.Length - maxMoveChunkSize)
{
var newCurrentText = p.Text.Substring(0, lastPeriodIdx + 1).Trim();
@ -177,23 +182,31 @@ namespace Nikse.SubtitleEdit.Core.AudioToText
var arrayCurrent = newCurrentText.SplitToLines();
var arrayNext = newNextText.SplitToLines();
var currentOk = arrayCurrent.Count == 1 || (arrayCurrent.Count == 2 && arrayCurrent[0].Length <= lineMxLength);
var nextOk = arrayNext.Count == 1 || (arrayNext.Count == 2 && arrayNext[0].Length <= lineMxLength);
var currentOk = arrayCurrent.Count == 1 || (arrayCurrent.Count == 2 && arrayCurrent[0].Length < lineMaxLength * 2);
var nextOk = arrayNext.Count == 1 || (arrayNext.Count == 2 && arrayNext[0].Length < lineMaxLength * 2);
if (currentOk && nextOk)
{
p.Text = newCurrentText;
next.Text = newNextText;
if (string.IsNullOrWhiteSpace(newCurrentText))
{
deleteIndices.Add(i);
next.StartTime.TotalMilliseconds = p.StartTime.TotalMilliseconds;
}
else
{
//TODO: calc time
}
continue;
}
}
// check for period in beginning of next
var firstPeriodIdx = next.Text.IndexOf('.');
if (firstPeriodIdx > 3 && firstPeriodIdx < maxMoveChunkSize)
var firstPeriodIdx = next.Text.IndexOfAny(new char[] { '.', '?', '!' });
if (firstPeriodIdx >= 3 && firstPeriodIdx < maxMoveChunkSize)
{
var newCurrentText = next.Text.Substring(0, firstPeriodIdx + 1).Trim();
var newNextText = next.Text.Remove(0, firstPeriodIdx + 1).Trim();
@ -204,18 +217,28 @@ namespace Nikse.SubtitleEdit.Core.AudioToText
var arrayCurrent = newCurrentText.SplitToLines();
var arrayNext = newNextText.SplitToLines();
var currentOk = arrayCurrent.Count == 1 || (arrayCurrent.Count == 2 && arrayCurrent[0].Length <= lineMxLength);
var nextOk = arrayNext.Count == 1 || (arrayNext.Count == 2 && arrayNext[0].Length <= lineMxLength);
var currentOk = arrayCurrent.Count == 1 || (arrayCurrent.Count == 2 && arrayCurrent[0].Length < lineMaxLength * 2);
var nextOk = arrayNext.Count == 1 || (arrayNext.Count == 2 && arrayNext[0].Length < lineMaxLength * 2);
if (currentOk && nextOk)
{
p.Text = newCurrentText;
next.Text = newNextText;
if (string.IsNullOrWhiteSpace(newNextText))
{
deleteIndices.Add(i + 1);
p.EndTime.TotalMilliseconds = next.EndTime.TotalMilliseconds;
}
else
{
//TODO: calc time
}
}
}
}
s.RemoveParagraphsByIndices(deleteIndices);
return s;
}

3
src/libse/Common/Subtitle.cs
View File

@ -756,7 +756,7 @@ namespace Nikse.SubtitleEdit.Core.Common
/// <returns>Number of lines deleted</returns>
public int RemoveParagraphsByIndices(IEnumerable<int> indices)
{
int count = 0;
var count = 0;
foreach (var index in indices.OrderByDescending(p => p))
{
if (index >= 0 && index < Paragraphs.Count)
@ -765,6 +765,7 @@ namespace Nikse.SubtitleEdit.Core.Common
count++;
}
}
return count;
}