Only save images from screencast: Images can be combined later

lib/ferrum/page.rb

@@ -72,6 +72,9 @@ class Page
     # @return [Downloads]
     attr_reader :downloads
 
+    # Control Screencasting
+    #
+    # @return [nil]
     attr_reader :screencaster
 
     def initialize(client, context_id:, target_id:, proxy: nil)

lib/ferrum/page/screencast.rb

@@ -1,7 +1,6 @@
 # frozen_string_literal: true
 require "ferrum/screencaster"
 
-
 module Ferrum
   class Page
     module Screencast

lib/ferrum/screencaster.rb

@@ -1,45 +1,26 @@
 # frozen_string_literal: true
 
-require 'open3'
-require 'stringio'
-#TODO these ^ need to be added to gemfile
-require 'concurrent-ruby'
-
 module Ferrum
   class Screencaster
- #   attr_reader :message, :default_prompt
-      include Concurrent::Async
-
       def initialize(page)
-        @page = page #might be wrong
-        @stdin = StringIO.new
-        @stdout = StringIO.new
-        @stderr = StringIO.new
-        @wait_thr = nil
+        @page = page
       end
 
       def add_frame(params)
         warn 'frame'
         @page.command("Page.screencastFrameAck", sessionId: params["sessionId"])
-        img = params["data"]
-        img_decoded = Base64.decode64(img)
-        @stdin.write(img_decoded)
 
+        ts = (Time.now.to_f * 1000).to_i
+        File.binwrite("img_#{ts}.jpeg", Base64.decode64(params["data"]))
       end
 
-      def start_screencast #(options)
-        cmd = "ffmpeg -y -f image2pipe -i - -c:v libx264 -preset slow -crf 22 -r 1 -an -f mp4 -movflags +faststart output_video2.mp4"
-        @stdin, @stdout, @stderr, @wait_thr = Open3.popen3(cmd)
-        @page.command("Page.startScreencast", format: "jpeg") #, **options)
+      def start_screencast
+        @page.command("Page.startScreencast", format: "jpeg")
       end
 
       def stop_screencast
         warn 'stopped'
         @page.command("Page.stopScreencast")
-        @stdin.close
-        @stdout.close
-        @stderr.close
-        @wait_thr.join
       end
   end
 end