#0  0x00007f87810fab09 in gst_mini_object_unlock () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
No symbol table info available.
#1  0x00007f87810d3d41 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
No symbol table info available.
#2  0x00007f87700712b0 in ?? () from /usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstisomp4.so
No symbol table info available.
#3  0x00007f878112cc31 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
No symbol table info available.
#4  0x00007f8780bc1e32 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007f8780bc15f5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#6  0x00007f878063ef9f in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#7  0x00007f878036c0cd in clone () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.