diff --git a/pizzactrl/statemachine.py b/pizzactrl/statemachine.py
index 12ec59b..2d01dea 100644
--- a/pizzactrl/statemachine.py
+++ b/pizzactrl/statemachine.py
@@ -1,5 +1,7 @@
+import imp
 import logging
 import os.path
+import subprocess
 
 from enum import Enum, auto
 
@@ -67,10 +69,11 @@ class Statemachine:
                 State.PLAY: self._play,
                 State.POST_PROCESS: self._post_process,
                 State.REWIND: self._rewind,
-                State.IDLE_END: self._idle_end
+                State.IDLE_END: self._idle_end,
+                State.SHUTDOWN: self._shutdown
              }
             
-        while (self.state is not State.ERROR) and (self.state is not State.SHUTDOWN):
+        while (self.state is not State.SHUTDOWN) and (self.state is not State.ERROR):
             logger.debug(f'Run(state={self.state})')
             try:
                 choice[self.state]()
@@ -169,10 +172,16 @@ class Statemachine:
         """
         Post-processing
         """
-        # TODO postprocessing - add sound
-        # logger.debug('Converting video...')
-        # cmdstring = f'MP4Box -add {fs_names.REC_DRAW_CITY} {fs_names.REC_MERGED_VIDEO}'
-        # call([cmdstring], shell=True)
+        logger.debug('Converting video...')
+        
+        for fname in self.story.videos:
+            fnew = fname.split('.')[0] + '.mov'
+            logger.debug(f'Converting {fname} to {fnew}')
+            cmd = ['MP4Box', '-add', fname, fnew]
+            subprocess.run(cmd)
+            cmddel = ['rm', fname]
+            subprocess.run(cmddel)
+
         self.hal.flush_serial()
         self._next_state()
     
@@ -190,12 +199,15 @@ class Statemachine:
         Initialize shutdown or go back to POST if `self.loop=True`
         """
         reset(self.hal)
+        logger.debug('Turning off HELO1...')
         self.hal.helo1 = False
 
+        logger.debug(f'statemachine.loop={self.loop}')
         if self.loop:
             self.state = State.POST
         else:
-            self._next_state()
+            logger.debug('Setting state to shutdown')
+            self.state = State.SHUTDOWN
 
     def _shutdown(self):
         """
@@ -203,4 +215,5 @@ class Statemachine:
         """
         del self.hal
         del self.story
+        self.state = None
         
diff --git a/pizzactrl/storyboard.py b/pizzactrl/storyboard.py
index d0ba54e..a92dd26 100644
--- a/pizzactrl/storyboard.py
+++ b/pizzactrl/storyboard.py
@@ -66,10 +66,10 @@ class Activity(Enum):
     RECORD_VIDEO =   {'duration': 60.0, 
                       'filename': ''}
     TAKE_PHOTO =     {'filename': ''}
-    ADVANCE_UP =     {'steps': 48,
+    ADVANCE_UP =     {'steps': 47,
                       'scroll': Scrolls.VERTICAL,
                       'speed': 3}
-    ADVANCE_LEFT =   {'steps': 92,
+    ADVANCE_LEFT =   {'steps': 96,
                       'scroll': Scrolls.HORIZONTAL,
                       'speed': 3}
     LIGHT_FRONT =    {'r': 0,
@@ -202,7 +202,7 @@ def _get_sound(language: Language, **kwargs):
 
 
 class Storyboard:
-    def __init__(self, *story: List[Do]) -> None:
+    def __init__(self, *story: List[Chapter]) -> None:
         self.story = story
         self.hal = None
 
@@ -217,6 +217,8 @@ class Storyboard:
 
         self._lang = Language.NOT_SET
 
+        self.videos = []
+
         self.ACTIVITY_SELECTOR = None
 
     @property
@@ -360,6 +362,11 @@ class Storyboard:
             if do_now:
                 do_it(hal)
 
+        def _record_video(hal, filename=None, **kwargs):
+            logger.debug(f'Storyboard._record_video(filename={filename}, {kwargs})')
+            record_video(hal, filename=filename, **kwargs)
+            self.videos.append(str(filename))
+
         def _goto(hal, index:int, **kwargs):
             """
             Set the next chapter
@@ -373,7 +380,7 @@ class Storyboard:
             Activity.PARALLEL: _parallel,
             Activity.GOTO: _goto,
             Activity.RECORD_SOUND: record_sound,
-            Activity.RECORD_VIDEO: record_video,
+            Activity.RECORD_VIDEO: _record_video,
             Activity.TAKE_PHOTO: take_photo,
             Activity.LIGHT_FRONT: _light,
             Activity.LIGHT_BACK: _light,
@@ -399,7 +406,10 @@ class Storyboard:
             
             if not self._chapter_set:
                 self._chapter_set = True
-                self._next_chapter = self._index + 1
+                if self._index < (len(self.story) - 1):
+                    self._next_chapter = self._index + 1
+                else:
+                    self._next_chapter = None
 
         else:
             self._next_chapter = None