Add API endpoint for Clips

src/invidious/videos/clip.cr

@@ -0,0 +1,20 @@
+require "json"
+
+# returns start_time, end_time and clip_title
+def parse_clip_parameters(params) : {Float64, Float64, String}
+  decoded_protobuf = params.try { |i| URI.decode_www_form(i) }
+    .try { |i| Base64.decode(i) }
+    .try { |i| IO::Memory.new(i) }
+    .try { |i| Protodec::Any.parse(i) }
+
+  start_time = decoded_protobuf
+    .try(&.["50:0:embedded"]["2:1:varint"].as_i64)
+
+  end_time = decoded_protobuf
+    .try(&.["50:0:embedded"]["3:2:varint"].as_i64)
+
+  clip_title = decoded_protobuf
+    .try(&.["50:0:embedded"]["4:3:string"].as_s)
+
+  return (start_time / 1000), (end_time / 1000), clip_title
+end