#0  0x00007f73248ce120 in x264_nal_encode () from /usr/lib/libx264.so.85
No symbol table info available.
#1  0x0000000000457dd3 in ?? ()
No symbol table info available.
#2  0x0000000000492855 in vf_config_wrapper ()
No symbol table info available.
#3  0x0000000000492855 in vf_config_wrapper ()
No symbol table info available.
#4  0x0000000000492855 in vf_config_wrapper ()
No symbol table info available.
#5  0x0000000000492855 in vf_config_wrapper ()
No symbol table info available.
#6  0x0000000000492855 in vf_config_wrapper ()
No symbol table info available.
#7  0x00000000004b5f5e in ?? ()
No symbol table info available.
#8  0x0000000000492855 in vf_config_wrapper ()
No symbol table info available.
#9  0x0000000000492855 in vf_config_wrapper ()
No symbol table info available.
#10 0x0000000000492855 in vf_config_wrapper ()
No symbol table info available.
#11 0x0000000000492855 in vf_config_wrapper ()
No symbol table info available.
#12 0x0000000000490c77 in mpcodecs_config_vo ()
No symbol table info available.
#13 0x00000000005698d4 in ?? ()
No symbol table info available.
#14 0x000000000056a24f in ?? ()
No symbol table info available.
#15 0x00007f7320795fdc in alloc_picture () from /usr/lib/libavcodec.so.52
No symbol table info available.
#16 0x00007f732079681e in MPV_frame_start () from /usr/lib/libavcodec.so.52
No symbol table info available.
#17 0x00007f732088463b in ?? () from /usr/lib/libavcodec.so.52
No symbol table info available.
#18 0x00007f73208848cf in ?? () from /usr/lib/libavcodec.so.52
No symbol table info available.
#19 0x00007f732074e598 in avcodec_decode_video ()
   from /usr/lib/libavcodec.so.52
No symbol table info available.
#20 0x0000000000569a73 in ?? ()
No symbol table info available.
#21 0x000000000048b4ad in decode_video ()
No symbol table info available.
#22 0x00000000004443b2 in main ()
No symbol table info available.