Code:
#include <opencv2/opencv.hpp>

int main()
{
  cv::VideoCapture capture("drop.avi");
  return 0;
}

=======
Compilation:
 g++ `pkg-config --cflags opencv` `pkg-config --libs opencv` main.cpp
=======
gdb a.out:
Starting program: /directory/a.out
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[New Thread 0x7fffd9293700 (LWP 18323)]

Thread 1 "a.out" received signal SIGSEGV, Segmentation fault.
0x00007fffe9497370 in av_buffer_unref () from /usr/lib/libavutil.so.55