Integrate transcript captions into captions API

src/invidious/videos/caption.cr

@@ -6,7 +6,9 @@ module Invidious::Videos
     property language_code : String
     property base_url : String
 
-    def initialize(@name, @language_code, @base_url)
+    property auto_generated : Bool
+
+    def initialize(@name, @language_code, @base_url, @auto_generated)
     end
 
     # Parse the JSON structure from Youtube
@@ -25,7 +27,12 @@ module Invidious::Videos
         language_code = caption["languageCode"].to_s
         base_url = caption["baseUrl"].to_s
 
-        captions_list << CaptionMetadata.new(name, language_code, base_url)
+        auto_generated = false
+        if caption["kind"]? && caption["kind"] == "asr"
+          auto_generated = true
+        end
+
+        captions_list << CaptionMetadata.new(name, language_code, base_url, auto_generated)
       end
 
       return captions_list

src/invidious/videos/transcript.cr

@@ -85,7 +85,13 @@ module Invidious::Videos
 
       lines = [] of TranscriptLine
       body.each do |line|
+        # Transcript section headers. They are not apart of the captions and as such we can safely skip them.
+        if line.as_h.has_key?("transcriptSectionHeaderRenderer")
+          next
+        end
+
         line = line["transcriptSegmentRenderer"]
+
         start_ms = line["startMs"].as_s.to_i.millisecond
         end_ms = line["endMs"].as_s.to_i.millisecond