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Add new format (LRC with ms) - thx eadmaster :)

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Work on #8240
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Nikolaj Olsson 2024-04-24 18:27:21 +02:00
parent 452504a5cb
commit 9d39d1c9aa
4 changed files with 343 additions and 1 deletions
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339
src/libse/SubtitleFormats/Lrc3DigitsMs.cs Normal file
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@ -0,0 +1,339 @@
using Nikse.SubtitleEdit.Core.Common;
using Nikse.SubtitleEdit.Core.Enums;
using System;
using System.Collections.Generic;
using System.Text;
using System.Text.RegularExpressions;
namespace Nikse.SubtitleEdit.Core.SubtitleFormats
{
/// <summary>
/// LRC is a format that synchronizes song lyrics with an audio/video file, [mm:ss.xxx] where mm is minutes, ss is seconds and xx is milliseconds.
///
/// https://wiki.nicksoft.info/specifications:lrc-file
///
/// Tags:
/// [al:''Album where the song is from'']
/// [ar:''Lyrics artist'']
/// [by:''Creator of the LRC file'']
/// [offset:''+/- Overall timestamp adjustment in milliseconds, + shifts time up, - shifts down'']
/// [re:''The player or editor that creates LRC file'']
/// [ti:''Lyrics(song) title'']
/// [ve:''version of program'']
/// </summary>
public class Lrc3DigitsMs : SubtitleFormat
{
private static readonly Regex RegexTimeCodes = new Regex(@"^\[\d+:\d\d\.\d\d\d\].*$", RegexOptions.Compiled);
public override string Extension => ".lrc";
public override string Name => "LRC Lyrics ms";
public override bool IsMine(List<string> lines, string fileName)
{
var subtitle = new Subtitle();
LoadSubtitle(subtitle, lines, fileName);
if (subtitle.Paragraphs.Count > 4)
{
var allStartWithNumber = true;
foreach (var p in subtitle.Paragraphs)
{
if (p.Text.Length > 1 && !Utilities.IsInteger(p.Text.Substring(0, 2)))
{
allStartWithNumber = false;
break;
}
}
if (allStartWithNumber)
{
return false;
}
}
if (subtitle.Paragraphs.Count > _errorCount)
{
return !new UnknownSubtitle33().IsMine(lines, fileName) &&
!new UnknownSubtitle36().IsMine(lines, fileName) &&
!new TMPlayer().IsMine(lines, fileName) &&
!new Lrc().IsMine(lines, fileName) &&
!new LrcNoEndTime().IsMine(lines, fileName);
}
return false;
}
public override string ToText(Subtitle subtitle, string title)
{
var header = RemoveSoftwareAndVersion(subtitle.Header);
var sb = new StringBuilder();
if (!string.IsNullOrEmpty(header) && (header.Contains("[ar:") || header.Contains("[ti:") || header.Contains("[by:") || header.Contains("[id:")))
{
sb.AppendLine(header);
}
else if (!string.IsNullOrEmpty(title))
{
sb.AppendLine("[ti:" + title.Replace("[", string.Empty).Replace("]", string.Empty) + "]");
}
if (!header.Contains("[re:", StringComparison.Ordinal))
{
sb.AppendLine("[re: Subtitle Edit]");
}
if (!header.Contains("[ve:", StringComparison.Ordinal))
{
sb.AppendLine($"[ve: {Utilities.AssemblyVersion}]");
}
const string timeCodeFormat = "[{0:00}:{1:00}.{2:000}]{3}";
for (var i = 0; i < subtitle.Paragraphs.Count; i++)
{
var p = subtitle.Paragraphs[i];
var next = subtitle.GetParagraphOrDefault(i + 1);
var text = HtmlUtil.RemoveHtmlTags(p.Text);
text = text.Replace(Environment.NewLine, " ");
var fraction = p.StartTime.Milliseconds;
if (fraction >= 100)
{
var ms = new TimeCode(p.StartTime.Hours, p.StartTime.Minutes, p.StartTime.Seconds, 0).TotalMilliseconds;
ms += 1000;
p = new Paragraph(p.Text, ms, p.EndTime.TotalMilliseconds);
fraction = 0;
}
sb.AppendLine(string.Format(timeCodeFormat, p.StartTime.Hours * 60 + p.StartTime.Minutes, p.StartTime.Seconds, fraction, text));
if (next == null || next.StartTime.TotalMilliseconds - p.EndTime.TotalMilliseconds > 100)
{
var tc = new TimeCode(p.EndTime.TotalMilliseconds);
sb.AppendLine(string.Format(timeCodeFormat, tc.Hours * 60 + tc.Minutes, tc.Seconds, tc.Milliseconds, string.Empty));
}
}
return sb.ToString().Trim();
}
public static string RemoveSoftwareAndVersion(string s)
{
if (string.IsNullOrEmpty(s))
{
return string.Empty;
}
var sb = new StringBuilder();
foreach (var line in s.SplitToLines())
{
if (line.Trim().StartsWith("[re:") || line.Trim().StartsWith("[ve:"))
{
continue;
}
sb.AppendLine(line.Trim());
}
return sb.ToString().Trim();
}
public override void LoadSubtitle(Subtitle subtitle, List<string> lines, string fileName)
{ //[01:05.999]I've been walking in the same way as I do
_errorCount = 0;
var offsetInMilliseconds = 0.0d;
var header = new StringBuilder();
char[] splitChars = { ':', '.' };
foreach (var line in lines)
{
if (line.StartsWith('[') && RegexTimeCodes.Match(line).Success)
{
var s = line.Substring(1, 8);
var parts = s.Split(splitChars, StringSplitOptions.RemoveEmptyEntries);
if (parts.Length == 3)
{
try
{
var minutes = int.Parse(parts[0]);
var seconds = int.Parse(parts[1]);
var milliseconds = int.Parse(parts[2]);
var text = line.Remove(0, 10).Trim().TrimStart(']').Trim();
var start = new TimeCode(0, minutes, seconds, milliseconds);
var p = new Paragraph(start, new TimeCode(), text);
subtitle.Paragraphs.Add(p);
}
catch
{
_errorCount++;
}
}
else
{
_errorCount++;
}
}
else if (line.StartsWith("[ar:", StringComparison.Ordinal)) // [ar:Lyrics artist]
{
if (subtitle.Paragraphs.Count < 1)
{
header.AppendLine(line);
}
}
else if (line.StartsWith("[id:", StringComparison.Ordinal)) // [ar:Lyrics artist]
{
if (subtitle.Paragraphs.Count < 1)
{
header.AppendLine(line);
}
}
else if (line.StartsWith("[al:", StringComparison.Ordinal)) // [al:Album where the song is from]
{
if (subtitle.Paragraphs.Count < 1)
{
header.AppendLine(line);
}
}
else if (line.StartsWith("[ti:", StringComparison.Ordinal)) // [ti:Lyrics (song) title]
{
if (subtitle.Paragraphs.Count < 1)
{
header.AppendLine(line);
}
}
else if (line.StartsWith("[au:", StringComparison.Ordinal)) // [au:Creator of the song text]
{
if (subtitle.Paragraphs.Count < 1)
{
header.AppendLine(line);
}
}
else if (line.StartsWith("[length:", StringComparison.Ordinal)) // [length:How long the song is]
{
if (subtitle.Paragraphs.Count < 1)
{
header.AppendLine(line);
}
}
else if (line.StartsWith("[offset:", StringComparison.Ordinal)) // [length:How long the song is]
{
var temp = line.Replace("[offset:", string.Empty).Replace("]", string.Empty).Replace("'", string.Empty).RemoveChar(' ').TrimEnd();
if (double.TryParse(temp, out var d))
{
offsetInMilliseconds = d;
}
}
else if (line.StartsWith("[by:", StringComparison.Ordinal)) // [by:Creator of the LRC file]
{
if (subtitle.Paragraphs.Count < 1)
{
header.AppendLine(line);
}
}
else if (!string.IsNullOrWhiteSpace(line))
{
if (subtitle.Paragraphs.Count < 1)
{
header.AppendLine(line);
}
_errorCount++;
}
else if (subtitle.Paragraphs.Count < 1)
{
header.AppendLine(line);
}
}
header = new StringBuilder(Lrc.RemoveSoftwareAndVersion(header.ToString()));
header.AppendLine();
if (!header.ToString().Contains("[re:", StringComparison.Ordinal))
{
header.AppendLine("[re: Subtitle Edit]");
}
if (!header.ToString().Contains("[ve:", StringComparison.Ordinal))
{
header.AppendLine($"[ve: {Utilities.AssemblyVersion}]");
}
subtitle.Header = header.ToString();
var max = subtitle.Paragraphs.Count;
for (var i = 0; i < max; i++)
{
var p = subtitle.Paragraphs[i];
while (RegexTimeCodes.Match(p.Text).Success)
{
var s = p.Text.Substring(1, 9);
p.Text = p.Text.Remove(0, 11).Trim();
var parts = s.Split(splitChars, StringSplitOptions.RemoveEmptyEntries);
try
{
var minutes = int.Parse(parts[0]);
var seconds = int.Parse(parts[1]);
var milliseconds = int.Parse(parts[2]) * 10;
var text = GetTextAfterTimeCodes(p.Text);
var start = new TimeCode(0, minutes, seconds, milliseconds);
var newParagraph = new Paragraph(start, new TimeCode(), text);
subtitle.Paragraphs.Add(newParagraph);
}
catch
{
_errorCount++;
}
}
}
subtitle.Sort(SubtitleSortCriteria.StartTime);
var index = 0;
foreach (var p in subtitle.Paragraphs)
{
p.Text = Utilities.AutoBreakLine(p.Text);
var next = subtitle.GetParagraphOrDefault(index + 1);
if (next != null)
{
if (string.IsNullOrEmpty(next.Text))
{
p.EndTime = new TimeCode(next.StartTime.TotalMilliseconds);
}
else
{
p.EndTime.TotalMilliseconds = next.StartTime.TotalMilliseconds - Configuration.Settings.General.MinimumMillisecondsBetweenLines;
}
if (p.DurationTotalMilliseconds > Configuration.Settings.General.SubtitleMaximumDisplayMilliseconds)
{
double duration = Configuration.Settings.General.SubtitleMaximumDisplayMilliseconds;
p.EndTime = new TimeCode(p.StartTime.TotalMilliseconds + duration);
}
}
else
{
var duration = Utilities.GetOptimalDisplayMilliseconds(p.Text, 16) + 1500;
p.EndTime = new TimeCode(p.StartTime.TotalMilliseconds + duration);
}
index++;
}
subtitle.RemoveEmptyLines();
subtitle.Renumber();
if (Math.Abs(offsetInMilliseconds) > 0.01)
{
foreach (var paragraph in subtitle.Paragraphs)
{
paragraph.StartTime.TotalMilliseconds += offsetInMilliseconds;
paragraph.EndTime.TotalMilliseconds += offsetInMilliseconds;
}
}
}
private static string GetTextAfterTimeCodes(string s)
{
while (RegexTimeCodes.IsMatch(s))
{
s = s.Remove(0, 11).Trim();
}
return s;
}
}
}

1
src/libse/SubtitleFormats/SubtitleFormat.cs
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@ -154,6 +154,7 @@ namespace Nikse.SubtitleEdit.Core.SubtitleFormats
new KanopyHtml(),
new LambdaCap(),
new Lrc(),
new Lrc3DigitsMs(),
new LrcNoEndTime(),
new MacSub(),
new MagicVideoTitler(),

2
src/ui/Forms/Main.cs
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@ -345,6 +345,7 @@ namespace Nikse.SubtitleEdit.Forms
UiUtil.InitializeSubtitleFont(textBoxListViewText);
UiUtil.InitializeSubtitleFont(textBoxListViewTextOriginal);
UiUtil.InitializeSubtitleFont(SubtitleListview1);
UiUtil.InitializeSubtitleFont(textBoxSource);
}
private static string GetArgumentAfterColon(IEnumerable<string> commandLineArguments, string requestedArgumentName)
@ -5783,6 +5784,7 @@ namespace Nikse.SubtitleEdit.Forms
SubtitleListview1.BackColor = Configuration.Settings.General.SubtitleBackgroundColor;
UiUtil.InitializeSubtitleFont(SubtitleListview1);
UiUtil.InitializeSubtitleFont(textBoxSource);
mediaPlayer.SetSubtitleFont();
ShowSubtitle();
}

2
src/ui/Logic/VideoPreviewGenerator.cs
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@ -271,7 +271,7 @@ namespace Nikse.SubtitleEdit.Logic
StartInfo =
{
FileName = GetFfmpegLocation(),
Arguments = $"{cutStart}-i \"{inputVideoFileName}\"{cutEnd}-vf \"ass={Path.GetFileName(assaSubtitleFileName)}\",yadif,format=yuv420p -g 30 -bf 2 -s {width}x{height} {videoEncodingSettings} {passSettings} {presetSettings} {crfSettings} {audioSettings}{tuneParameter} -use_editlist 0 -movflags +faststart {outputVideoFileName}".TrimStart(),
Arguments = $"{cutStart}-i \"{inputVideoFileName}\"{cutEnd} -vf scale={width}:{height} -vf \"ass={Path.GetFileName(assaSubtitleFileName)}\",yadif,format=yuv420p -g 30 -bf 2 -s {width}x{height} {videoEncodingSettings} {passSettings} {presetSettings} {crfSettings} {audioSettings}{tuneParameter} -use_editlist 0 -movflags +faststart {outputVideoFileName}".TrimStart(),
UseShellExecute = false,
CreateNoWindow = true,
WorkingDirectory = Path.GetDirectoryName(assaSubtitleFileName) ?? string.Empty,