teamwork: fix shadow frame during previewing .ogg
teamwork: fix shadow frame during previewing .ogg

if the frame size is invalid on "frame_decode", stop previewing.
It will filter out audio or invalid video previewing

Fixes T1400

tasn/enlightenment,tizenorg/platform.upstream.enlightenment,rvandegrift/e,rvandegrift/e,tasn/enlightenment,FlorentRevest/Enlightenment,tasn/enlightenment,tizenorg/platform.upstream.enlightenment,FlorentRevest/Enlightenment,rvandegrift/e,tizenorg/platform.upstream.enlightenment,FlorentRevest/Enlightenment