#0  0x00007f345fa11d69 in OpalPluginControl::Call(void*, unsigned int*, void*) const () at /usr/lib/libopal.so.3.10.10
#1  0x00007f345fa06b96 in OpalPluginVideoTranscoder::EncodeFrames(RTP_DataFrame const&, PList<RTP_DataFrame>&) () at /usr/lib/libopal.so.3.10.10
#2  0x00007f345fa06aae in OpalPluginVideoTranscoder::ConvertFrames(RTP_DataFrame const&, PList<RTP_DataFrame>&) () at /usr/lib/libopal.so.3.10.10
#3  0x00007f345f50e060 in OpalMediaPatch::Sink::WriteFrame(RTP_DataFrame&) () at /usr/lib/libopal.so.3.10.10
#4  0x00007f345f50cd10 in OpalMediaPatch::DispatchFrame(RTP_DataFrame&) () at /usr/lib/libopal.so.3.10.10
#5  0x00007f345f50bf5e in OpalMediaPatch::Main() () at /usr/lib/libopal.so.3.10.10
#6  0x00007f345f50f029 in OpalMediaPatch::Thread::Main() () at /usr/lib/libopal.so.3.10.10
#7  0x00007f345ea266e4 in PThread::PX_ThreadStart(void*) () at /usr/lib/libpt.so.2.10.11
#8  0x00007f345b30874a in start_thread (arg=0x7f33edc75700) at pthread_create.c:456
        __res = <optimized out>
        pd = 0x7f33edc75700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139861009323776, 2881438336211111082, 139861016183838, 139861016183839, 139861009324480, 139861009323776, -2766556622258025302, -2768488333077885782}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#9  0x00007f345dce1caf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97