New subtitle format (json, read only) - thx Dvid :)

Changelog.txt

@@ -9,6 +9,7 @@
    * Allow alpha when choosing text color for ASSA in main window
    * Allow add empty waveform for online videos
    * Switch positions of textboxes shortcut - thx Leon/darnn
+   * New subtitle format (json, read only) - thx Dvid
 * IMPROVED:
    * Update Bulgarian translation - thx Калин
    * Update Finish translation - thx Teijo

src/libse/SubtitleFormats/JsonTypeOnlyLoad2.cs

@@ -0,0 +1,95 @@
+using Nikse.SubtitleEdit.Core.Common;
+using System;
+using System.Collections.Generic;
+using System.Globalization;
+using System.Text;
+
+namespace Nikse.SubtitleEdit.Core.SubtitleFormats
+{
+    /// <summary>
+    /// https://lv.ulikecam.com/
+    /// </summary>
+    public class JsonTypeOnlyLoad2 : SubtitleFormat
+    {
+        public override string Extension => ".json";
+
+        public override string Name => "JSON Type Only load 2";
+
+        public override string ToText(Subtitle subtitle, string title)
+        {
+            return "Not implemented";
+        }
+
+        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 text = sb.ToString().TrimStart();
+            if (text.IndexOf("canvas_config", StringComparison.Ordinal) < 0)
+            {
+                return;
+            }
+
+            subtitle.Paragraphs.Clear();
+            var parser = new SeJsonParser();
+            var textDictionary = new Dictionary<string, string>();
+            var texts = parser.GetArrayElementsByName(text, "texts");
+            foreach (var textElement in texts)
+            {
+                var id = parser.GetFirstObject(textElement, "id");
+                var content = parser.GetFirstObject(textElement, "content");
+                if (!string.IsNullOrEmpty(id) && !string.IsNullOrEmpty(content))
+                {
+                    textDictionary.Add(id, content);
+                }
+            }
+
+            var timeDictionary = new Dictionary<string, Paragraph>();
+            var tracks = parser.GetArrayElementsByName(text, "tracks");
+            foreach (var track in tracks)
+            {
+                var trackType = parser.GetFirstObject(track, "type");
+                if (trackType == "text")
+                {
+                    var segments = parser.GetArrayElementsByName(track, "segments");
+                    foreach (var segment in segments)
+                    {
+                        var id = parser.GetFirstObject(segment, "material_id");
+                        var targetTimeRage = parser.GetFirstObject(segment, "target_timerange");
+                        if (!string.IsNullOrEmpty(id) && !string.IsNullOrEmpty(targetTimeRage))
+                        {
+                            var start = parser.GetFirstObject(targetTimeRage, "start");
+                            var duration = parser.GetFirstObject(targetTimeRage, "duration");
+                            if (double.TryParse(start, NumberStyles.AllowDecimalPoint | NumberStyles.AllowLeadingSign, CultureInfo.InvariantCulture, out var startNumber) &&
+                                double.TryParse(duration, NumberStyles.AllowDecimalPoint | NumberStyles.AllowLeadingSign, CultureInfo.InvariantCulture, out var durationNumber))
+                            {
+                                var startMs = startNumber / 1_000;
+                                var durationMs = durationNumber / 1_000;
+                                var endMs = startMs + durationMs;
+                                var p = new Paragraph(string.Empty, startMs, endMs);
+                                timeDictionary.Add(id, p);
+                            }
+                        }
+                    }
+                }
+            }
+
+            foreach (var kvp in textDictionary)
+            {
+                if (timeDictionary.TryGetValue(kvp.Key, out var p))
+                {
+                    p.Text = kvp.Value;
+                    subtitle.Paragraphs.Add(p);
+                }
+            }
+
+            subtitle.Sort(Enums.SubtitleSortCriteria.StartTime);
+            subtitle.Renumber();
+        }
+    }
+}

src/libse/SubtitleFormats/SubtitleFormat.cs

@@ -644,6 +644,7 @@ namespace Nikse.SubtitleEdit.Core.SubtitleFormats
                 new BdnXml(),
                 new Wsb(),
                 new JsonTypeOnlyLoad1(),
+                new JsonTypeOnlyLoad2(),
                 new TranscriptiveJson(),
                 new KaraokeCdgCreatorText(),
                 new VidIcelandic(),