descapist

Had exactly same issue. Adding -lbz2 as g++ parameters have solved it. So the command looks like: ```g++ -o untrunc -I./libav-12.3 file.cpp main.cpp track.cpp atom.cpp mp4.cpp -L./libav-12.3/libavformat -lavformat -L./libav-12.3/libavcodec -lavcodec...