Adding a MediaInfo response for info action

lib/encoding-dot-com.rb

@@ -6,3 +6,5 @@
 require 'encoding_dot_com/thumbnail_format'
 require 'encoding_dot_com/flv_vp6_format'
 require 'encoding_dot_com/media_list_item'
+require 'encoding_dot_com/media_info'
+

lib/encoding_dot_com/facade.rb

@@ -59,6 +59,7 @@ def info(media_id)
       response = make_request("GetMediaInfo") do |q|
         q.mediaid media_id
       end
+      MediaInfo.new(response)
     end
 
     private

lib/encoding_dot_com/media_info.rb

@@ -0,0 +1,25 @@
+require 'parsedate'
+
+module EncodingDotCom
+  # Represents a video or image in the encoding.com queue
+  class MediaInfo
+    attr_reader :bitrate, :duration, :video_codec, :video_bitrate, :frame_rate, :size, :pixel_aspect_ratio, :display_aspect_ratio, :audio_codec, :audio_sample_rate, :audio_channels
+
+    # Creates a MediaInfo object, given a <response> Nokogiri::XML::Node
+    #
+    # See the encoding.com documentation for GetMediaInfo action for more details
+    def initialize(node)
+      @bitrate = (node / "bitrate").text
+      @duration = (node / "duration").text.to_f
+      @video_codec = (node / "video_codec").text
+      @video_bitrate = (node / "video_bitrate").text
+      @frame_rate = (node / "frame_rate").text.to_f
+      @size = (node / "size").text
+      @pixel_aspect_ratio = (node / "pixel_aspect_ratio").text
+      @display_aspect_ratio = (node / "display_aspect_ratio").text
+      @audio_codec = (node / "audio_codec").text
+      @audio_sample_rate = (node / "audio_sample_rate").text.to_i
+      @audio_channels = (node / "audio_channels").text.to_i
+    end
+  end
+end

spec/facade_spec.rb

@@ -181,5 +181,71 @@ def expect_response_xml(response_xml)
       expect_xml_with_xpath("/query/mediaid[text()='5678']")
       @facade.cancel(5678)
     end
+
+    describe "returned media info object" do
+      before :each do
+        expect_response_xml(<<-END
+          <?xml version="1.0"?>
+          <response>
+            <bitrate>1807k</bitrate>
+            <duration>6464.83</duration>
+            <video_codec>mpeg4</video_codec>
+            <video_bitrate>1679k</video_bitrate>
+            <frame_rate>23.98</frame_rate>
+            <size>640x352</size>
+            <pixel_aspect_ratio>1:1</pixel_aspect_ratio>
+            <display_aspect_ratio>20:11</display_aspect_ratio>
+            <audio_codec>ac3</audio_codec>
+            <audio_sample_rate>48000</audio_sample_rate>
+            <audio_channels>2</audio_channels>
+          </response>
+        END
+        )
+      end
+
+      it "should have a bitrate" do
+        @facade.info(1234).bitrate.should == "1807k"
+      end
+
+      it "should have a duration" do
+        @facade.info(1234).duration.should == 6464.83
+      end
+
+      it "should have a video_codec" do
+        @facade.info(1234).video_codec.should == "mpeg4"
+      end
+
+      it "should have a video_bitrate" do
+        @facade.info(1234).video_bitrate.should == "1679k"
+      end
+
+      it "should have a frame rate" do
+        @facade.info(1234).frame_rate.should == 23.98
+      end
+
+      it "should have a size" do
+        @facade.info(1234).size.should == "640x352"
+      end
+
+      it "should hava a pixel aspect ratio" do
+        @facade.info(1234).pixel_aspect_ratio.should == "1:1"
+      end
+
+      it "should have a display aspect ratio" do
+        @facade.info(1234).display_aspect_ratio.should == "20:11"
+      end
+
+      it "should have an audio codec" do
+        @facade.info(1234).audio_codec.should == "ac3"
+      end
+
+      it "should have an audio sample rate" do
+        @facade.info(1234).audio_sample_rate.should == 48_000
+      end
+
+      it "should have audio channels" do
+        @facade.info(1234).audio_channels.should == 2
+      end
+    end
   end
 end