change to attr accessor

Author: MassimoDeLuca

lib/ffmpeg/movie.rb

@@ -10,7 +10,8 @@ class Movie
     attr_reader :color_primaries, :avframe_color_space, :color_transfer
     attr_reader :container
     attr_reader :error
-    attr_reader :should_pre_encode
+
+    attr_accessor :should_pre_encode
 
     UNSUPPORTED_CODEC_PATTERN = /^Unsupported codec with id (\d+) for input stream (\d+)$/
 
@@ -266,6 +267,10 @@ def any_streams_contain_audio?
       @any_streams_contain_audio ||= calc_any_streams_contain_audio
     end
 
+    def did_pre_encode?
+      @should_pre_encode ||= false
+    end
+
     protected
 
     def calc_any_streams_contain_audio