From 8671f56aa8a788faa1263a98f894a0e70dd5039c Mon Sep 17 00:00:00 2001
From: Nikolaj Olsson <nikse.dk@gmail.com>
Date: Wed, 8 Jul 2020 12:13:51 +0200
Subject: [PATCH] Add new subtitle format - thx Holmgeir :)

---
 libse/SubtitleFormats/SubtitleFormat.cs |  2 +-
 libse/SubtitleFormats/VidIcelandic.cs   | 72 +++++++++++++++++++++++++
 2 files changed, 73 insertions(+), 1 deletion(-)
 create mode 100644 libse/SubtitleFormats/VidIcelandic.cs

diff --git a/libse/SubtitleFormats/SubtitleFormat.cs b/libse/SubtitleFormats/SubtitleFormat.cs
index c36c501bb..89f7fc24c 100644
--- a/libse/SubtitleFormats/SubtitleFormat.cs
+++ b/libse/SubtitleFormats/SubtitleFormat.cs
@@ -574,7 +574,7 @@ namespace Nikse.SubtitleEdit.Core.SubtitleFormats
             {
                 new DlDd(), new Ted20(), new Captionate(), new TimeLineAscii(), new TimeLineFootageAscii(),  new TimedTextImage(),
                 new FinalCutProImage(), new SpuImage(), new Dost(), new SeImageHtmlIndex(), new BdnXml(), new Wsb(),
-                new JsonTypeOnlyLoad1(), new TranscriptiveJson(), new KaraokeCdgCreatorText()
+                new JsonTypeOnlyLoad1(), new TranscriptiveJson(), new KaraokeCdgCreatorText(), new VidIcelandic(),
             };
         }
 
diff --git a/libse/SubtitleFormats/VidIcelandic.cs b/libse/SubtitleFormats/VidIcelandic.cs
new file mode 100644
index 000000000..23920e44d
--- /dev/null
+++ b/libse/SubtitleFormats/VidIcelandic.cs
@@ -0,0 +1,72 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Text;
+using System.Text.RegularExpressions;
+
+namespace Nikse.SubtitleEdit.Core.SubtitleFormats
+{
+    public class VidIcelandic : SubtitleFormat
+    {
+        private static readonly Regex RegexTimeCodes = new Regex(@"^#S\d{14}$", RegexOptions.Compiled);
+
+        public override string Extension => ".vid";
+
+        public override string Name => "Vid Icelandic";
+
+        public override string ToText(Subtitle subtitle, string title)
+        {
+            return "Not implemented!";
+        }
+
+        public override void LoadSubtitle(Subtitle subtitle, List<string> lines, string fileName)
+        {
+            Paragraph p = null;
+            subtitle.Paragraphs.Clear();
+            _errorCount = 0;
+
+            if (!string.IsNullOrEmpty(fileName) && fileName.EndsWith(Extension, StringComparison.OrdinalIgnoreCase) && File.Exists(fileName))
+            {
+                lines = FileUtil.ReadAllLinesShared(fileName, Encoding.GetEncoding(861)); // icelandic dos encoding
+            }
+
+            foreach (string line in lines)
+            {
+                if (line.StartsWith('#') && RegexTimeCodes.IsMatch(line))
+                {
+                    var startTime = DecodeTimeCode(line);
+                    var endTime = DecodeDuration(startTime, line);
+                    p = new Paragraph(startTime, endTime, string.Empty);
+                    subtitle.Paragraphs.Add(p);
+                }
+                else if (line.Length > 11 && p != null && line.StartsWith('B'))
+                {
+                    p.Text = (p.Text.TrimEnd() + Environment.NewLine + line.Remove(0, 11).Trim()).Trim();
+                }
+                else
+                {
+                    _errorCount++;
+                }
+            }
+
+            subtitle.RemoveEmptyLines();
+            subtitle.Renumber();
+        }
+
+        private TimeCode DecodeTimeCode(string line)
+        {
+            var hour = line.Substring(2, 1);
+            var minutes = line.Substring(3, 2);
+            var seconds = line.Substring(5, 2);
+            var frames = line.Substring(7, 2);
+            return new TimeCode(int.Parse(hour), int.Parse(minutes), int.Parse(seconds), FramesToMillisecondsMax999(int.Parse(frames)));
+        }
+
+        private TimeCode DecodeDuration(TimeCode startTime, string line)
+        {
+            var seconds = line.Substring(10, 2);
+            var frames = line.Substring(12, 2);
+            return new TimeCode(startTime.Hours, startTime.Minutes, startTime.Seconds + int.Parse(seconds), startTime.Milliseconds + FramesToMillisecondsMax999(int.Parse(frames)));
+        }
+    }
+}