Create Screenshot Gallery gets enabled with codec not available
From the user docs patches:
+ <comment>
+ <cite date="2012-03-07">Ekaterina Gerasimova</cite>
+ <p>Bug in 2.32: when I select a video and do not have the codec to play it,
+ the Create Screenshot Gallery menuitem becomes enabled. Following the above
+ instructions fails silently. Check in 3.2/3.4</p>
+ </comment>