#0  0x00007ffff2d99624 in avcodec_flush_buffers () at /usr/lib/libavcodec.so.59
#1  0x00007ffff6f7a653 in  () at /usr/lib/libopencv_videoio.so.405
#2  0x00007ffff6f7a96b in  () at /usr/lib/libopencv_videoio.so.405
#3  0x00007ffff6f3cca0 in cv::VideoCapture::set(int, double) ()
    at /usr/lib/libopencv_videoio.so.405