[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
Core was generated by `/usr/bin/freeswitch -ncwait -rp'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0 0x00007f577dcbe878 in switch_core_session_read_video_frame (session=0x7f557004c3e8, frame=0x7f522f402da0, flags=0, stream_id=0) at src/switch_core_media.c:11717
11717 switch_clear_flag((*frame)->codec, SWITCH_CODEC_FLAG_VIDEO_PATCHING);
(gdb)