VideoWriter now kills thread & closes file on playback end (Possible fix for #349).
VideoWriter now kills thread & closes file on playback end (Possible fix for #349).

svn path=/trunk/libavg/; revision=7806

libavg/libavg,yyd01245/libavg,hoodie/libavg,scotty007/libavg,libavg/libavg,yyd01245/libavg,scotty007/libavg,libavg/libavg,th3infinity/libavg,yyd01245/libavg,yyd01245/libavg,hoodie/libavg,hoodie/libavg,th3infinity/libavg,hoodie/libavg,scotty007/libavg,th3infinity/libavg,scotty007/libavg,th3infinity/libavg,libavg/libavg