diff --git a/oxdbarchive/midentify.py b/oxdbarchive/midentify.py
index 3460c50..fc78663 100644
--- a/oxdbarchive/midentify.py
+++ b/oxdbarchive/midentify.py
@@ -8,6 +8,7 @@ import sys
 _audio_codec_map = {
   'ffmp3': 'mp3',
   'mad': 'mp3',
+  'faad': 'aac'
 }
 
 _video_codec_map = {
diff --git a/oxdbarchive/model.py b/oxdbarchive/model.py
index 3753366..8836158 100644
--- a/oxdbarchive/model.py
+++ b/oxdbarchive/model.py
@@ -190,12 +190,12 @@ class Archive(SQLObject):
         for key in ('bpp', 'size', 'length', 'date'):
           meta[key] = int(float(meta[key]))
         meta['date'] = datetime.fromtimestamp(meta['date'])
-        print self.addFile(meta), f
+        print self.addFile(meta), f.encode('utf-8')
         stats['added'] += 1
         md5sum_on_disk.append(meta['md5sum'])
     for f in oxdb_files:
       if oxdb_files[f]['md5sum'] not in md5sum_on_disk:
-        print "remove", f
+        print "remove", f.encode('utf-8')
         self.removeFile(oxdb_files[f]['md5sum'])
         stats['remove'] += 1
     print stats
@@ -208,6 +208,19 @@ class Archive(SQLObject):
     for f in self.files:
       self.notifyFrontend('add', f.md5sum)
   
+  def cleanupFrontend(self):
+    dto = socket.getdefaulttimeout()
+    socket.setdefaulttimeout(256)
+    data = read_url("%s/list" % self.baseUrlFrontend)
+    files = simplejson.loads(data)['files']
+    socket.setdefaulttimeout(dto)
+    md5sums = [str(f['md5sum']) for f in files.values()]
+    for md5sum in md5sums:
+      try:
+        f = ArchiveFile.byMd5sum(md5sum)
+      except SQLObjectNotFound:
+        self.notifyFrontend('remove', md5sum)
+  
   def fillFrontend(self):
     dto = socket.getdefaulttimeout()
     socket.setdefaulttimeout(256)
@@ -429,12 +442,11 @@ class ArchiveFile(SQLObject):
   def extractAll(self, force = False):
     if not self.extracted or force:
       self.updateMeta()
-      self.extractClipMovie()
-      self.extractTimeline()
+      self.extractClipMovie(force)
+    self.extractTimeline(force)
       #enable this later
       #self.extractFrames()
       #self.extractClips()
-      self.extracted = True
     
   def extractClip(self, inpoint, outpoint=-1, flash_folder=-1):
     if flash_folder == -1:
@@ -506,7 +518,9 @@ class ArchiveFile(SQLObject):
     options += ' -o "%s"' % mini_movie_file
     cmd = "mencoder %s >/dev/null 2>&1" % options
     #print cmd.encode('utf-8')
-    os.system(cmd.encode('utf-8'))
+    r = os.system(cmd.encode('utf-8'))
+    if r == 0:
+      self.extracted = True
   
   def removeTimeline(self):
     if exists(self.timelineFile):
@@ -522,7 +536,7 @@ class ArchiveFile(SQLObject):
     if self.height <= 0:
       return
     
-    if not exists(self.mini_movie_file):
+    if not (self.extracted and exists(self.mini_movie_file)):
       print "mini movie missing, skipping", self.path
       return