lib/ffprober.rb in ffprober-0.3.7 vs lib/ffprober.rb in ffprober-0.4.0

@@ -1,23 +1,27 @@
-require "ffprober/version"
-require "ffprober/parser"
-require "ffprober/format"
-require "ffprober/stream"
-require "ffprober/audio_stream"
-require "ffprober/video_stream"
-require "ffprober/ffprobe_version"
-require "json"
+require_relative 'ffprober/version'
+require_relative 'ffprober/parser'
+require_relative 'ffprober/format'
+require_relative 'ffprober/stream'
+require_relative 'ffprober/audio_stream'
+require_relative 'ffprober/video_stream'
+require_relative 'ffprober/chapter'
+require_relative 'ffprober/ffprobe_version'
+require 'json'
 
 module Ffprober
   def self.path
-    name = 'ffprobe'
-    name << '.exe' if self.windows?
+    @path ||= begin
+      path = ENV['PATH'].split(File::PATH_SEPARATOR).find do |path_to_check|
+        File.executable?(File.join(path_to_check, executable_name))
+      end
 
-    path = ENV['PATH'].split(File::PATH_SEPARATOR).find do |path|
-      File.executable?(File.join(path, name))
+      path && File.expand_path(executable_name, path)
     end
+  end
 
-    path && File.expand_path(name, path)
+  def self.executable_name
+    @executable_name ||= self.windows? ? 'ffprobe.exe' : 'ffprobe'
   end
 
   def self.windows?
     !!(RUBY_PLATFORM =~ /(mingw|mswin)/)
   end