tree b050b7099d8809acd047a5d73e8eb157a5e122d9
parent 10eb88d00ee82269a3748716d79be54b0c9418a3
author Haihua Hu <jared.hu@nxp.com> 1512035000 +0800
committer Lyon Wang <lyon.wang@nxp.com> 1545187831 +0800

basetextoverlay: need avoid idx exceed memory block number

when check whether video buffer is read only, the gst_buffer_get_memory call
should make sure idx don't exceed the total memory block number

upstream status: i.mx specific

Signed-off-by: Haihua Hu <jared.hu@nxp.com>