Add new json sub format - thx Cedric :)

src/libse/SubtitleFormats/JsonAeneas.cs

@@ -0,0 +1,94 @@
+using Nikse.SubtitleEdit.Core.Common;
+using System;
+using System.Collections.Generic;
+using System.Globalization;
+using System.Text;
+
+namespace Nikse.SubtitleEdit.Core.SubtitleFormats
+{
+    public class JsonAeneas : SubtitleFormat
+    {
+        public override string Extension => ".json";
+
+        public override string Name => "JSON Aeneas";
+
+        public override string ToText(Subtitle subtitle, string title)
+        {
+            var sb = new StringBuilder();
+            sb.AppendLine("{ \"fragments\": [");
+
+            for (int i = 0; i < subtitle.Paragraphs.Count; i++)
+            {
+                var number = (i + 1).ToString(CultureInfo.InvariantCulture).PadLeft(6, '0');
+                Paragraph p = subtitle.Paragraphs[i];
+                sb.AppendLine(@"    {
+      ""begin"": """ + p.StartTime.TotalSeconds.ToString(CultureInfo.InvariantCulture) + @""",
+      ""children"": [],
+      ""end"": """ + p.EndTime.TotalSeconds.ToString(CultureInfo.InvariantCulture) + @""",
+      ""id"": ""f" + number + @""",
+      ""language"": ""eng"",
+      ""lines"": [
+        " + GetTextArray(p.Text) + @"
+      ]
+    },");
+            }
+
+            var result = sb.ToString().TrimEnd(',') + @"  ]
+}";
+
+            return result;
+        }
+
+        private string GetTextArray(string text)
+        {
+            var sb = new StringBuilder();
+            foreach (var line in text.SplitToLines())
+            {
+                sb.Append("\"  " + Json.EncodeJsonText(line) + " \",");
+            }
+
+            return sb.ToString().TrimEnd(',');
+        }
+
+        public override void LoadSubtitle(Subtitle subtitle, List<string> lines, string fileName)
+        {
+            _errorCount = 0;
+
+            var sb = new StringBuilder();
+            foreach (var s in lines)
+            {
+                sb.Append(s);
+            }
+
+            var allText = sb.ToString();
+            if (!allText.Contains("\"lines\""))
+            {
+                return;
+            }
+
+            var jp = new SeJsonParser();
+            var fragments = jp.GetArrayElementsByName(allText, "fragments");
+            for (var i = 0; i < fragments.Count; i++)
+            {
+                var fragment = fragments[i];
+                var startTime = jp.GetFirstObject(fragment, "begin");
+                var endTime = jp.GetFirstObject(fragment, "end");
+                var texts = jp.GetArrayElementsByName(fragment, "lines");
+                if (decimal.TryParse(startTime, NumberStyles.AllowDecimalPoint, CultureInfo.InvariantCulture, out var startSeconds) &&
+                    decimal.TryParse(endTime, NumberStyles.AllowDecimalPoint, CultureInfo.InvariantCulture, out var endSeconds))
+                {
+                    var text = string.Join(Environment.NewLine, texts);
+                    var p = new Paragraph(text, (double)startSeconds * 1000.0, (double)endSeconds * 1000.0);
+                    subtitle.Paragraphs.Add(p);
+                }
+                else
+                {
+                    _errorCount++;
+                }
+            }
+
+            subtitle.RemoveEmptyLines();
+            subtitle.Renumber();
+        }
+    }
+}

src/libse/SubtitleFormats/SubtitleFormat.cs

@@ -117,6 +117,7 @@ namespace Nikse.SubtitleEdit.Core.SubtitleFormats
                     new IssXml(),
                     new ItunesTimedText(),
                     new JacoSub(),
+                    new JsonAeneas(),
                     new JsonTed(),
                     new Json(),
                     new JsonType2(),