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Improve line merging a little in vost pre-processing

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Related to #5882
This commit is contained in:
niksedk 2022-05-14 20:45:24 +02:00
parent e2463559c6
commit 237b91db20
1 changed files with 80 additions and 16 deletions
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96
src/libse/AudioToText/AudioToTextPostProcessor.cs
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@ -143,31 +143,51 @@ namespace Nikse.SubtitleEdit.Core.AudioToText
}
var next = subtitle.GetParagraphOrDefault(i);
var nextNext = subtitle.GetParagraphOrDefault(i + 1);
if (next != null)
{
if (Utilities.QualifiesForMerge(p, next, maxMillisecondsBetweenLines, ParagraphMaxChars, onlyContinuousLines))
{
if (GetStartTag(p.Text) == GetStartTag(next.Text) &&
GetEndTag(p.Text) == GetEndTag(next.Text))
MergeNextIntoP(language, p, next);
lastMerged = true;
}
else if (IsNextCloseAndAlone(p, next, nextNext, maxMillisecondsBetweenLines, onlyContinuousLines))
{
var splitDone = false;
if (language != "jp" && language != "cn")
{
var s1 = p.Text.Trim();
s1 = s1.Substring(0, s1.Length - GetEndTag(s1).Length);
var s2 = next.Text.Trim();
s2 = s2.Substring(GetStartTag(s2).Length);
p.Text = Utilities.AutoBreakLine(s1 + Environment.NewLine + s2, language);
var pNew = new Paragraph(p);
MergeNextIntoP(language, pNew, next);
var textNoHtml = HtmlUtil.RemoveHtmlTags(pNew.Text, true);
var arr = textNoHtml.SplitToLines();
foreach (var line in arr)
{
if (line.Length > Configuration.Settings.General.SubtitleLineMaximumLength)
{
var text = Utilities.AutoBreakLine(pNew.Text, language);
arr = text.SplitToLines();
if (arr.Count == 2)
{
p.Text = Utilities.AutoBreakLine(arr[0], language);
next.Text = Utilities.AutoBreakLine(arr[1], language);
//TODO: calc time
splitDone = true;
}
break;
}
}
}
if (splitDone)
{
lastMerged = false;
}
else
{
p.Text = Utilities.AutoBreakLine(p.Text + Environment.NewLine + next.Text, language);
MergeNextIntoP(language, p, next);
lastMerged = true;
}
p.EndTime = next.EndTime;
if (language == "jp" || language == "cn")
{
p.Text = p.Text.RemoveChar('\r').RemoveChar('\n').RemoveChar(' ');
}
lastMerged = true;
}
else
{
@ -188,6 +208,50 @@ namespace Nikse.SubtitleEdit.Core.AudioToText
return mergedSubtitle;
}
private bool IsNextCloseAndAlone(Paragraph p, Paragraph next, Paragraph nextNext, int maxMillisecondsBetweenLines, bool onlyContinuousLines)
{
if (nextNext == null || next.Text.Length > 12)
{
return false;
}
if (!Utilities.QualifiesForMerge(p, next, maxMillisecondsBetweenLines, ParagraphMaxChars + 5, onlyContinuousLines))
{
return false;
}
if (nextNext.StartTime.TotalMilliseconds - next.EndTime.TotalMilliseconds < maxMillisecondsBetweenLines + 100)
{
return false;
}
return true;
}
private static void MergeNextIntoP(string language, Paragraph p, Paragraph next)
{
if (GetStartTag(p.Text) == GetStartTag(next.Text) &&
GetEndTag(p.Text) == GetEndTag(next.Text))
{
var s1 = p.Text.Trim();
s1 = s1.Substring(0, s1.Length - GetEndTag(s1).Length);
var s2 = next.Text.Trim();
s2 = s2.Substring(GetStartTag(s2).Length);
p.Text = Utilities.AutoBreakLine(s1 + Environment.NewLine + s2, language);
}
else
{
p.Text = Utilities.AutoBreakLine(p.Text + Environment.NewLine + next.Text, language);
}
p.EndTime = next.EndTime;
if (language == "jp" || language == "cn")
{
p.Text = p.Text.RemoveChar('\r').RemoveChar('\n').RemoveChar(' ');
}
}
private static Subtitle FixCasing(Subtitle inputSubtitle, string language)
{
var subtitle = new Subtitle(inputSubtitle);