Fixed AAC naming bug

git-svn-id: https://gpac.svn.sourceforge.net/svnroot/gpac/trunk/gpac@4269 63c20433-aa62-49bd-875c-5a186b69a8fb
Fixed gcc warning

git-svn-id: https://gpac.svn.sourceforge.net/svnroot/gpac/trunk/gpac@4270 63c20433-aa62-49bd-875c-5a186b69a8fb
Removed filename from automatic handler name (only keep extension)

git-svn-id: https://gpac.svn.sourceforge.net/svnroot/gpac/trunk/gpac@4271 63c20433-aa62-49bd-875c-5a186b69a8fb
Fixed bug in scene resize for SVC

git-svn-id: https://gpac.svn.sourceforge.net/svnroot/gpac/trunk/gpac@4272 63c20433-aa62-49bd-875c-5a186b69a8fb
Fixed bugs in dynamic scene and with some DASH content

git-svn-id: https://gpac.svn.sourceforge.net/svnroot/gpac/trunk/gpac@4273 63c20433-aa62-49bd-875c-5a186b69a8fb