lib/edl/grabber.rb in edl-0.1.5 vs lib/edl/grabber.rb in edl-0.1.6

@@ -1,29 +1,31 @@
+# frozen_string_literal: true
+
 module EDL
   # When initialized with a file and passed an EDL, will generate thumbnail images
   # of the first frame of every event. It is assumed that the movie file starts at the same
   # frame as the first EDL event.
   class Grabber #:nodoc:
     attr_accessor :ffmpeg_bin, :offset
     def initialize(with_file)
       @source_path = with_file
     end
-    
+
     def ffmpeg_bin
       @ffmpeg_bin || 'ffmpeg'
     end
-    
+
     def grab(edl)
-      edl.from_zero.events.each do | evt |
-        grab_frame_tc = evt.rec_start_tc + (offset || 0 )
-        
+      edl.from_zero.events.each do |evt|
+        grab_frame_tc = evt.rec_start_tc + (offset || 0)
+
         to_file = File.dirname(@source_path) + '/' + evt.num + '_' + File.basename(@source_path).gsub(/\.(\w+)$/, '')
         generate_grab(evt.num, grab_frame_tc, to_file)
       end
     end
-    
-    def generate_grab(evt, at, to_file)
+
+    def generate_grab(_evt, at, to_file)
       cmd = "#{ffmpeg_bin} -i #{@source_path} -an -ss #{at.with_frames_as_fraction} -vframes 1 -y #{to_file}%d.jpg"
       `#{cmd}`
     end
   end
-end
\ No newline at end of file
+end