adding volume method

git-svn-id: svn://rubyforge.org/var/svn/raop/trunk@6 55bd698d-9d04-498c-8937-980560813b27

lib/raop/client.rb

@@ -48,6 +48,15 @@ def connect
     response = @rtsp_client.request(params)
   end
 
+  def volume=(volume)
+    volume = 0 + volume if volume < 0
+    raise ArgumentError if volume < 0 || volume > 144
+    params = Net::RTSP::SetParameter.new(@session_id,
+                                         { :volume => "-#{volume}".to_i }
+                                        )
+    response = @rtsp_client.request(params)
+  end
+
   def play(file)
     while data = file.read(4096 * 2 * 2)
       send_sample(self.class.encode_alac(data))

lib/raop/rtsp.rb

@@ -119,6 +119,7 @@ def write_header(sock, client_id, cseq)
       end
 
       def write_body(sock)
+        #$stdout.write(@body) if @body
         sock.write(@body) if @body
       end
     end
@@ -135,7 +136,7 @@ def initialize(session_id, opts = {})
         self['Content-Type'] = 'text/parameters'
         buf = ''
         opts.each do |k,v|
-          buf << "#{k}: #{sprintf('%0.6f', v)}"
+          buf << "#{k}: #{sprintf('%0.6f', v)}\r\n"
         end
         @body = buf if buf.length > 0
       end