lib/scissor/chunk.rb in youpy-scissor-0.0.17 vs lib/scissor/chunk.rb in youpy-scissor-0.0.18

@@ -1,10 +1,9 @@
 require 'digest/md5'
 require 'pathname'
 require 'open4'
 require 'logger'
-require 'bigdecimal'
 
 module Scissor
   class Chunk
     @logger = Logger.new(STDOUT)
     @logger.level = Logger::INFO
@@ -41,19 +40,18 @@
         add_fragment(fragment)
       end
     end
 
     def duration
-      BigDecimal(
-        @fragments.inject(0) do |memo, fragment|
-          memo += fragment.duration
-        end.to_s).round(3).to_f
+      @fragments.inject(0) do |memo, fragment|
+        memo += fragment.duration
+      end
     end
 
     def slice(start, length)
       if start + length > duration
-        raise OutOfDuration
+        length = duration - start
       end
 
       new_instance = self.class.new
       remaining_start = start.to_f
       remaining_length = length.to_f
@@ -121,19 +119,20 @@
       end
 
       remain = filled_duration
       new_instance = self.class.new
 
-      while filled_duration > new_instance.duration
+      while !remain.zero? && filled_duration > new_instance.duration
         if remain < duration
           added = slice(0, remain)
         else
           added = self
         end
 
         new_instance += added
         remain -= added.duration
       end
+
 
       new_instance
     end
 
     def replace(start, length, replaced)