support for alt source, sorta

convert_transcript.lua

@@ -33,6 +33,19 @@ end
 
 local output_lines = {}
 local timecode_free_lines = {}
+
+if arg[2] == "--tube" then   -- transcript from https://tubetranscript.com/
+  for i = 4, #input_lines do
+    local line = input_lines[i]
+    output_lines[#output_lines + 1] = line
+
+    line = line:sub(9)
+    if line:sub(1, 1) == ")" then   -- handle very long videos
+      line = line:sub(3)
+    end
+    timecode_free_lines[#timecode_free_lines + 1] = line
+  end
+else
   for index, line in ipairs(input_lines) do
     if not (line:sub(3, 3) == ":") then
       local previous_line = input_lines[index - 1]
@@ -48,6 +61,7 @@ for index, line in ipairs(input_lines) do
       timecode_free_lines[#timecode_free_lines + 1] = line:sub(7)
     end
   end
+end
 
 local output_file = io.open(output_file_name, "w")
 assert(output_file, "Could not open \"" .. output_file_name .. "\"")