From 999de04ad87bb408c69be8b97438841e696a381f Mon Sep 17 00:00:00 2001
From: j <0x006A@0x2620.org>
Date: Wed, 3 Sep 2014 13:31:44 +0200
Subject: [PATCH] only use frames that are ready.

---
 pandora/item/models.py | 13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)

diff --git a/pandora/item/models.py b/pandora/item/models.py
index 2f7ab577..672bd00a 100644
--- a/pandora/item/models.py
+++ b/pandora/item/models.py
@@ -1380,12 +1380,13 @@ class Item(models.Model):
             offset = 0
             for f in self.files.filter(selected=True, is_video=True).order_by('sort_path'):
                 for ff in f.frames.all().order_by('position'):
-                    frames.append({
-                        'position': offset + ff.position,
-                        'path': ff.frame.path,
-                        'width': ff.frame.width,
-                        'height': ff.frame.height
-                    })
+                    if ff.frame:
+                        frames.append({
+                            'position': offset + ff.position,
+                            'path': ff.frame.path,
+                            'width': ff.frame.width,
+                            'height': ff.frame.height
+                        })
                 offset += f.duration
         else:
             if 'videoRatio' in self.json and self.sort.duration: