=== modified file 'openshot/windows/MainGTK.py'
--- openshot/windows/MainGTK.py	2010-11-21 06:14:51 +0000
+++ openshot/windows/MainGTK.py	2010-12-14 22:18:56 +0000
@@ -3197,7 +3197,24 @@
 			self.mnuClipEditTitle.show()
 		else:
 			self.mnuClipEditTitle.hide()
-		
+			
+	def on_mnuHideVideo_toggled(self, event, *args):
+		self.selected_clip.play_video = not self.selected_clip.play_video
+		
+		# mark project as modified
+		self.project.set_project_modified(is_modified=True, refresh_xml=True, type = _("Changed visibility of clip"))
+		
+		# render timeline
+		self.project.Render()
+		
+	def on_mnuMuteAudio_toggled(self, event, *args):
+		self.selected_clip.play_audio = not self.selected_clip.play_audio
+		
+		# mark project as modified
+		self.project.set_project_modified(is_modified=True, refresh_xml=True, type = _("Changed audio of clip"))
+		
+		# render timeline
+		self.project.Render()
 		
 	def on_mnuClipEditTitle_activate(self, event, *args):
 		#print "on_mnuClipEditTitle_activate"

=== modified file 'openshot/windows/ui/Main_clip_properties.ui'
--- openshot/windows/ui/Main_clip_properties.ui	2010-08-29 03:42:32 +0000
+++ openshot/windows/ui/Main_clip_properties.ui	2010-12-14 22:12:40 +0000
@@ -60,39 +59,53 @@
     <child>
       <object class="GtkImageMenuItem" id="mnuClipEditTitle">
         <property name="label" translatable="yes">Edit Title (Simple)</property>
         <property name="use_stock">False</property>
         <signal name="activate" handler="on_mnuClipEditTitle_activate"/>
       </object>
     </child>
     <child>
       <object class="GtkImageMenuItem" id="mnuShiftClips">
         <property name="label" translatable="yes">Shift Clips</property>
         <property name="visible">True</property>
         <property name="use_stock">False</property>
         <property name="accel_group">accelgroup1</property>
         <signal name="activate" handler="on_mnuShiftClips_activate"/>
       </object>
     </child>
     <child>
       <object class="GtkImageMenuItem" id="mnuReplaceClip">
         <property name="label" translatable="yes">Replace Clip</property>
         <property name="visible">True</property>
         <property name="use_stock">False</property>
         <signal name="activate" handler="on_mnuReplaceClip_activate"/>
       </object>
     </child>
     <child>
       <object class="GtkImageMenuItem" id="mnuRemoveClip">
         <property name="label" translatable="yes">Remove Clip</property>
         <property name="visible">True</property>
         <property name="use_stock">False</property>
         <property name="accel_group">accelgroup1</property>
         <signal name="activate" handler="on_mnuRemoveClip_activate"/>
+      </object>
+    </child>
+    <child>
+      <object class="GtkCheckMenuItem" id="mnuHideVideo">
+        <property name="visible">True</property>
+        <property name="label" translatable="yes">Hide Video</property>
+        <signal name="toggled" handler="on_mnuHideVideo_toggled"/>
+      </object>
+    </child>
+    <child>
+      <object class="GtkCheckMenuItem" id="mnuMuteAudio">
+        <property name="visible">True</property>
+        <property name="label" translatable="yes">Mute Audio</property>
+        <property name="use_underline">True</property>
+        <signal name="toggled" handler="on_mnuMuteAudio_toggled"/>
       </object>
     </child>
     <child>