acquire our lock before touching the leftover buffers
acquire our lock before touching the leftover buffers

mlehtima/gst-droid,foolab/gst-droid,sledges/gst-droid,sailfishos/gst-droid,mlehtima/gst-droid,foolab/gst-droid,sledges/gst-droid,sledges/gst-droid