video.rb in vtools-0.0.2

- old
+ new

@@ -9,11 +9,10 @@
                 :video_stream, :video_codec, :video_bitrate, :colorspace, :frame_rate,
                 :resolution, :dar, :audio_stream, :audio_codec, :audio_bitrate,
                 :audio_sample_rate,
                 :convert_options, :thumbs_options
 
-    # json generator
     def to_json(*args)
       ignore = [:@convert_options, :@thumbs_options, :@converter, :@thumbnailer, :@uncertain_duration, :invalid]
 
       hsh = instance_variables.inject({}) do |data, var|
         data[ var[1..-1] ] = instance_variable_get(var) unless ignore.include? var.to_sym
@@ -22,11 +21,10 @@
 
       hsh["valid"] = !@invalid
       hsh.to_json(*args)
     end
 
-    # constructor
     def initialize path
 
       @invalid = true
       @uncertain_duration = true
       @convert_options  = {}
@@ -95,32 +93,29 @@
       @invalid = false unless @video_stream.to_s.empty?
       @invalid = true if output.include?("is not supported")
 
       self
     end
-    
-    # define if is valid video file
+
     def valid?
       not @invalid
     end
 
     # validate duration
     def uncertain_duration?
       @uncertain_duration
     end
 
-    # width getter
     def width
       resolution.split("x").first.to_i rescue nil
     end
 
-    # height getter
     def height
       resolution.split("x").last.to_i rescue nil
     end
 
-    # aspect ratio getter
+    # aspect ratio calculator
     def calculated_aspect_ratio
       if dar
         w, h = dar.split(":")
         w.to_f / h.to_f
       else
@@ -132,19 +127,18 @@
     # video file size
     def size
       File.size(@path)
     end
 
-    # audio channels getter
+    # valid audio channels index
     def audio_channels
       return nil unless @audio_channels
       return @audio_channels[/\d*/].to_i if @audio_channels["channels"]
       return 1 if @audio_channels["mono"]
       return 2 if @audio_channels["stereo"]
       return 6 if @audio_channels["5.1"]
     end
 
-    # frame rate getter
     def frame_rate
       video_stream[/(\d*\.?\d*)\s?fps/] ? $1.to_f : nil
     end
 
     private