seems DefineVideoStream can appear inside DefineSprite
seems DefineVideoStream can appear inside DefineSprite

It does on Google Video at least. This commit makes Google Video work.

freedesktop-unofficial-mirror/swfdec__swfdec,mltframework/swfdec,mltframework/swfdec,freedesktop-unofficial-mirror/swfdec__swfdec,freedesktop-unofficial-mirror/swfdec__swfdec