diff --git a/ffmpeg.py b/ffmpeg.py
index 4946fb3..1f19a9a 100755
--- a/ffmpeg.py
+++ b/ffmpeg.py
@@ -11,6 +11,22 @@ def run(cmd):
     #print(' '.join('"%s"' % c for c in cmd))
     subprocess.call(cmd)
 
+def add_subtitles(subtitles, clip, position, duration):
+    if clip.get('subtitles'):
+        if isinstance(clip['subtitles'], list):
+            for sub in clip['subtitles']:
+                subtitles.append({
+                    'in': position + sub['in'],
+                    'out': position + sub['out'],
+                    'value': sub['value']
+                })
+        else:
+            subtitles.append({
+                'in': position,
+                'out': position + duration,
+                'value': clip['subtitles']
+            })
+
 
 usage = "usage: %(prog)s [options] edit.json"
 parser = ArgumentParser(usage=usage)
@@ -62,12 +78,7 @@ for clip in edit:
             src_duration = clip['out']-clip['in']
             if abs(src_duration-duration) > 1:
                 print(clip.get('annotation', clip['item']), 'expected', src_duration, 'got', duration, out)
-            if clip.get('subtitles'):
-                subtitles.append({
-                    'in': position,
-                    'out': position+duration,
-                    'value': clip['subtitles']
-                })
+            add_subtitles(subtitles, clip, position, duration)
             position += duration
             continue
     src_info = ox.avinfo(clip['path'])
@@ -142,20 +153,7 @@ for clip in edit:
         src_duration = clip['out']-clip['in']
         if abs(src_duration-duration) > 1:
             print(clip.get('annotation', clip['item']), 'expected', src_duration, 'got', duration, out)
-        if clip.get('subtitles'):
-            if isinstance(clip['subtitles'], list):
-                for sub in clip['subtitles']:
-                    subtitles.append({
-                        'in': position + sub['in'],
-                        'out': position + sub['out'],
-                        'value': sub['value']
-                    })
-            else:
-                subtitles.append({
-                    'in': position,
-                    'out': position + duration,
-                    'value': clip['subtitles']
-                })
+        add_subtitles(subtitles, clip, position, duration)
         position += duration
 
 txt = output + '.txt'