Fixed FFMpeg deprecation warnings.
Fixed FFMpeg deprecation warnings.

svn path=/trunk/libavg/; revision=8159

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