diff --git a/OxFF/bin/oxd.py b/OxFF/bin/oxd.py
index 4d3db1b..e099d04 100755
--- a/OxFF/bin/oxd.py
+++ b/OxFF/bin/oxd.py
@@ -301,11 +301,12 @@ class Database(object):
                 '''CREATE TABLE IF NOT EXISTS volume (
                                 site varchar(1024),
                                 user varchar(1024),
+                                name varchar(1024),
                                 path varchar(1024),
                                 updated INT,
                                 created INT,
                                 updating INT,
-                                UNIQUE(site, user, path))''',
+                                UNIQUE(site, user, name))''',
                 '''CREATE TABLE IF NOT EXISTS derivative (
                                 oshash varchar(16),
                                 name varchar(1024),
@@ -358,7 +359,7 @@ class Database(object):
 
     def files(self, site, user, volume, since=None):
         conn, c = self.conn()
-        c.execute('SELECT path from volume where site=? AND user=? AND path=?', (site, user, volume))
+        c.execute('SELECT path from volume where site=? AND user=? AND name=?', (site, user, volume))
         prefix = None
         for row in c:
             prefix = row[0]
@@ -512,27 +513,45 @@ class Database(object):
                 c.execute('UPDATE file SET deleted=? WHERE path=?', (deleted, f))
             conn.commit()
 
-    def add_volume(self, site, user, path):
+    def set_location(self, site, user, name, path):
         conn, c = self.conn()
         path = os.path.normpath(path)
-        created = time.mktime(time.localtime())
-        t = (site, user, path, created, created)
-        #FIXME: check if site/name exists or deal with error here
-        c.execute(u'INSERT INTO volume values (?, ?, ?, ?, ?, 0)', t)
+        if name in self.volumes(site, user):
+            t = (path, site, user, name)
+            c.execute(u'UPDATE volume SET path=? WHERE site=? AND user=? and name=?', t)
+        else:
+            created = time.mktime(time.localtime())
+            t = (site, user, name, path, created, created)
+            #FIXME: check if site/name exists or deal with error here
+            c.execute(u'INSERT INTO volume values (?, ?, ?, ?, ?, ?, 0)', t)
+        conn.commit()
+
+    def remove_volume(self, site, user, name):
+        conn, c = self.conn()
+        c.execute('DELETE FROM volume WHERE site=? AND user=? AND name=?', [site, user, name])
+        conn.commit()
+        #fixme, files could be still used by sub volumes
+        #c.execute('DELETE FROM file WHERE path LIKE ?', ["%s%%"%path])
+
+    def rename_volume(self, site, user, name, new_name):
+        conn, c = self.conn()
+        t = (new_name, site, user, name)
+        c.execute(u'UPDATE volume SET name=? WHERE site=? AND user=? and name=?', t)
         conn.commit()
 
     def volumes(self, site, user):
         conn, c = self.conn()
-        sql = 'SELECT path FROM volume WHERE site=? AND user=? ORDER BY path';
+        sql = 'SELECT name, path FROM volume WHERE site=? AND user=? ORDER BY name';
         c.execute(sql, [site, user])
         volumes = {}
         for row in c:
-            path = row[0]
-            volumes[path] = {}
+            name = row[0]
+            path = row[1]
+            volumes[name] = {}
             if os.path.exists(path):
-                volumes[path]['available'] = True
+                volumes[name]['available'] = True
             else:
-                volumes[path]['available'] = False
+                volumes[name]['available'] = False
         return volumes
 
     def update_volumes(self, site, user):
@@ -556,13 +575,6 @@ class Database(object):
                            (updated, site, user, '%s%%'%path))
                 conn.commit()
 
-    def remove_volume(self, site, user, name):
-        conn, c = self.conn()
-        c.execute('DELETE FROM volume WHERE site=? AND user=? AND name=?', [site, user, name])
-        conn.commit()
-        #fixme, files could be still used by sub volumes
-        #c.execute('DELETE FROM file WHERE path LIKE ?', ["%s%%"%path])
-
 #web
 def json_response(request, data):
     request.headers['Content-Type'] = 'text/javascript'
@@ -606,17 +618,32 @@ class OxControl(Resource):
             return args
 
         if request.path == '/add_volume':
-            args = required_args('site', 'user', 'path')
+            args = required_args('site', 'user', 'name', 'path')
             self.db.add_volume(**args)
             response = {'status': 'ok'}
             return json_response(request, response)
 
+        if request.path == '/set_location':
+            args = required_args('site', 'user', 'name', 'path')
+            self.db.set_location(**args)
+            response = {'status': 'ok'}
+            return json_response(request, response)
+
         if request.path == '/remove_volume':
-            args = required_args('site', 'user', 'path')
+            args = required_args('site', 'user', 'name')
             self.db.remove_volume(**args)
             response = {'status': 'ok'}
             return json_response(request, response)
 
+        if request.path == '/rename_volume':
+            args = required_args('site', 'user', 'name', 'new_name')
+            if args['name'] in self.db.volumes(args['site'], args['user']):
+                self.db.rename_volume(**args)
+                response = {'status': 'ok'}
+            else:
+                response = {'status': '404'}
+            return json_response(request, response)
+
         if request.path == '/volumes':
             args = required_args('site', 'user')
             response = self.db.volumes(**args)
diff --git a/OxFF/components/OxFF.js b/OxFF/components/OxFF.js
index 445d548..909e456 100644
--- a/OxFF/components/OxFF.js
+++ b/OxFF/components/OxFF.js
@@ -120,7 +120,7 @@ OxFF.prototype = {
     return "NoAccess";
   },
   debug: function() {
-    var msg = "OxFF: ";
+    var msg = this.extensionID + ": ";
     for(var i=0;i<arguments.length;i++) {
       msg += arguments[i];
       if(i+1<arguments.length)
@@ -245,43 +245,39 @@ OxFF.prototype = {
     this.api('update', callback.callback);
     return true;
   },
-
-  addVolume: function() {
+  setLocation: function(name) {
     if(!this._access) {
         return false;
     }
     const nsIFilePicker = Ci.nsIFilePicker;
     var fp = Cc["@mozilla.org/filepicker;1"].createInstance(nsIFilePicker);
-    fp.init(this._window, "Add Volume to " + this._site, nsIFilePicker.modeGetFolder);
+    fp.init(this._window, "Set Locatin of "+name+" for " + this._site, nsIFilePicker.modeGetFolder);
     fp.appendFilters(nsIFilePicker.filterAll);
     var rv = fp.show();
     if (rv == nsIFilePicker.returnOK || rv == nsIFilePicker.returnReplace) {
         var new_location = fp.file.path;
-        this.api('add_volume', {'path': new_location}, function(result) {});
+        this.api('set_location', {'name': name, 'path': new_location}, function(result) {});
         return true;
     }
     return false;
   },
+  removeVolume: function(name) {
+    return this.api('remove_volume', {'name': name});
+  },
+  renameVolume: function(name, new_name) {
+    return this.api('rename_volume', {'name': name, 'new_name': new_name});
+  },
   volumes: function(callback) {
     return this.api('volumes', callback.callback);
   },
-
   //private functions
   permitAccess: function() {
     this._access = true;
-    var conn = oxff.getDB();
-    var q = conn.createStatement("INSERT OR REPLACE INTO site values (:site, 1)");
-    q.params.site = this._site;
-    q.executeStep();
-    q.finalize();
+    oxff.access(this._site, this._access);
   },
   denyAccess: function() {
     this._access = false;
-    var conn = oxff.getDB();
-    var q = conn.createStatement("INSERT OR REPLACE INTO site values (:site, 0)");
-    q.params.site = this._site;
-    q.executeStep();
-    q.finalize();
+    oxff.access(this._site, this._access);
   },
   startDaemon: function() {
     var _this = this;
@@ -315,37 +311,6 @@ OxFF.prototype = {
       }
     });
   },
-  getFormatInfo: function(filename, callback) {
-    var that = this;
-    var get_json = function(data) {
-      var json = {"format": "unknown"};
-      try {
-        json = JSON.parse(data);
-      } catch(e) {
-        json = {"format": "unknown"};
-      }
-
-      var source_file = Cc["@mozilla.org/file/local;1"].createInstance(Ci.nsILocalFile);
-      source_file.initWithPath(filename);
-      // Try to determine the MIME type of the file
-      //json.contentType = that.getMimeType(source_file);
-      return json;
-    }
-    var info_callback = function(data) {
-      callback(get_json(data));
-    }
-    var options = [filename, '--info'];
-    if (callback) {
-      ox.subprocess(this.bin('ffmpeg2theora'), options, callback);
-      return;
-    }
-    data = ox.subprocess(this.bin('ffmpeg2theora'), options, false);
-    return get_json(data);
-  },
-  bin: function(cmd) {
-    this._cmd_name = '/usr/local/bin/_cmd_';
-    return this._cmd_name.replace('_cmd_', cmd);
-  },
 }
 //4.0 only
 var NSGetFactory = XPCOMUtils.generateNSGetFactory([OxFF]);
diff --git a/OxFF/components/nsIOxFF.xpt b/OxFF/components/nsIOxFF.xpt
index 6e995e9..aa269f6 100644
Binary files a/OxFF/components/nsIOxFF.xpt and b/OxFF/components/nsIOxFF.xpt differ
diff --git a/OxFF/modules/oxff.jsm b/OxFF/modules/oxff.jsm
index 18adc37..24c8065 100644
--- a/OxFF/modules/oxff.jsm
+++ b/OxFF/modules/oxff.jsm
@@ -40,5 +40,16 @@ let oxff = {
         q.executeStep();
         q.finalize();
     },
+    access: function(site, access) {
+        var conn = oxff.getDB();
+        var q = conn.createStatement("INSERT OR REPLACE INTO site values (:site, :access)");
+        q.params.site = site;
+        if (access)
+            q.params.access = 1;
+        else
+            q.params.access = 0;
+        q.executeStep();
+        q.finalize();
+    },
 };
 
diff --git a/src/nsIOxFF.idl b/src/nsIOxFF.idl
index f612702..ef65e96 100644
--- a/src/nsIOxFF.idl
+++ b/src/nsIOxFF.idl
@@ -16,15 +16,17 @@ interface nsIOxFF : nsISupports
   readonly attribute string version;
 
   boolean login(in AString user);
-  boolean addVolume();
-  string import();
-  float progress(in AString oshash);
   boolean access([optional] in boolean request);
+  boolean logout();
+
+  string  volumes(in oxICallback callback);
+  boolean setLocation(in AString name);
+  boolean renameVolume(in AString name, in AString new_name);
+  boolean removeVolume(in AString name);
+
   boolean update(in oxICallback callback);
-  string volumes(in oxICallback callback);
   boolean files(in AString volume, in oxICallback callback);
   boolean get(in AString oshash, in AString media, in oxICallback callback);
   boolean extract(in AString oshash, in AString media, in oxICallback callback);
-  boolean logout();
 };