diff --git a/ffmpegInfoParser.py b/ffmpegInfoParser.py
index c8f181f..54078da 100644
--- a/ffmpegInfoParser.py
+++ b/ffmpegInfoParser.py
@@ -10,16 +10,17 @@ class VideoInfo:
   height:int
   width:int
 
-def getVideoInfo(filename):
+def getVideoInfo(filename,filters=None):
   state=None
   stats= dict(filename=filename)
-  proc = sp.Popen(['ffmpeg','-i',filename],stdout=sp.PIPE,stderr=sp.PIPE)
+  if filters is None:
+    proc = sp.Popen(['ffmpeg','-i',filename],stdout=sp.PIPE,stderr=sp.PIPE)
+  else:
+    proc = sp.Popen(['ffmpeg','-i',filename,'-filter_complex', filters,'-frames:v','1','-f','null','-'],stdout=sp.PIPE,stderr=sp.PIPE)
+
   outs,errs = proc.communicate()
   for errLine in errs.split(b'\n'):
     for errElem in [x.strip() for x in errLine.split(b',')]:
-
-      
-
       if errElem.startswith(b'Duration:'):
         timeParts = [float(x) for x in errElem.split()[-1].split(b':')]
         stats['duration'] = sum([t*m for t,m in zip(timeParts[::-1],[1,60,60*60,60*60*60])])
@@ -36,11 +37,14 @@ def getVideoInfo(filename):
         elif errElem.endswith(b'tbr'):
           stats['tbr']=float(errElem.split(b' ')[0])
         if b'x' in errElem:
-          w,h = errElem.split(b' ')[0].split(b'x')
-          w=int(w)
-          h=int(h)
-
-          stats['height'] = h
-          stats['width']  = w 
+          try:
+            w,h = errElem.split(b' ')[0].split(b'x')
+            w=int(w)
+            h=int(h)
+
+            stats['height'] = h
+            stats['width']  = w 
+          except:
+            pass
 
   return VideoInfo(**stats)
diff --git a/ffmpegService.py b/ffmpegService.py
index dbbb278..07e05f8 100644
--- a/ffmpegService.py
+++ b/ffmpegService.py
@@ -366,7 +366,9 @@ def encodeWorker():
           fileSequence=[]
           clipDimensions = []
 
+          print(requestId,mode,seqClips,options,filenamePrefix,statusCallback)
           for i,(rid,clipfilename,s,e,filterexp) in enumerate(seqClips):
+            print(i,(rid,clipfilename,s,e,filterexp))
             expectedTimes.append(e-s)
             videoInfo = ffmpegInfoParser.getVideoInfo(cleanFilenameForFfmpeg(clipfilename))
             videoh=videoInfo.height
@@ -380,6 +382,7 @@ def encodeWorker():
           totalEncodedSeconds = 0
 
           for i,(etime,(videow,videoh),(rid,clipfilename,start,end,filterexp)) in enumerate(zip(expectedTimes,clipDimensions,seqClips)):
+            print(i,(etime,(videow,videoh),(rid,clipfilename,start,end,filterexp)))
             if filterexp=='':
               filterexp='null'  
 
@@ -543,6 +546,8 @@ def encodeWorker():
                        statusCallback)
         except Exception as e:
           print(e)
+          import traceback
+          traceback.print_exc()
 
     self.encodeWorkers=[]
     for _ in range(encodeWorkerCount):
diff --git a/filterSpec.py b/filterSpec.py
index baa19eb..375e7cb 100644
--- a/filterSpec.py
+++ b/filterSpec.py
@@ -12,6 +12,46 @@
 ]
 
 selectableFilters = [
+
+  {
+        "name": "crop",
+        "filter": "crop",
+        "params": [
+            {
+                "n": "x",
+                "d": 0,
+                "type": "int",
+                "range": None,
+                "rectProp": "x",
+                "inc": 10,
+            },
+            {
+                "n": "y",
+                "d": 0,
+                "type": "int",
+                "range": None,
+                "rectProp": "y",
+                "inc": 10,
+            },
+            {
+                "n": "w",
+                "d": 100,
+                "type": "int",
+                "range": None,
+                "rectProp": "w",
+                "inc": 10,
+            },
+            {
+                "n": "h",
+                "d": 100,
+                "type": "int",
+                "range": None,
+                "rectProp": "h",
+                "inc": 10,
+            },
+        ],
+    },
+
     {
         "name": "subtitles",
         "filter": "subtitles",
@@ -661,44 +701,6 @@
         ],
     },
     
-    {
-        "name": "crop",
-        "filter": "crop",
-        "params": [
-            {
-                "n": "x",
-                "d": 0,
-                "type": "int",
-                "range": None,
-                "rectProp": "x",
-                "inc": 10,
-            },
-            {
-                "n": "y",
-                "d": 0,
-                "type": "int",
-                "range": None,
-                "rectProp": "y",
-                "inc": 10,
-            },
-            {
-                "n": "w",
-                "d": 100,
-                "type": "int",
-                "range": None,
-                "rectProp": "w",
-                "inc": 10,
-            },
-            {
-                "n": "h",
-                "d": 100,
-                "type": "int",
-                "range": None,
-                "rectProp": "h",
-                "inc": 10,
-            },
-        ],
-    },
     
     {
         "name": "drawtext",
diff --git a/mergeSelectionController.py b/mergeSelectionController.py
index d068a2a..d848ac7 100644
--- a/mergeSelectionController.py
+++ b/mergeSelectionController.py
@@ -15,6 +15,7 @@ def requestPreviewFrame(self,rid,filename,timestamp,filterexp,size,callback):
     self.ffmpegService.requestPreviewFrame(rid,filename,timestamp,filterexp,size,callback)
 
   def encode(self,requestId,mode,seq,options,filenamePrefix,statusCallback):
+    print('encode',requestId,mode,seq,options,filenamePrefix)
     self.ffmpegService.encode(requestId,mode,seq,options,filenamePrefix,statusCallback)
 
 if __name__ == '__main__':
diff --git a/mergeSelectionUi.py b/mergeSelectionUi.py
index c30316b..e379688 100644
--- a/mergeSelectionUi.py
+++ b/mergeSelectionUi.py
@@ -285,7 +285,7 @@ def __init__(self, master=None, *args, **kwargs):
 
     self.maximumSizeVar.set('0.0')
     self.maximumWidthVar.set('1280')
-    self.transDurationVar.set('0.5')       
+    self.transDurationVar.set('0.0')       
 
     self.transStyles = ['fade','wipeleft','wiperight','wipeup'
     ,'wipedown','slideleft','slideright','slideup','slidedown'