CC  src/main.c
In file included from src/main.h:30:0,
                 from src/main.c:53:
src/player.h:37:10: fatal error: libavfilter/avfiltergraph.h: No such file or directory
 #include <libavfilter/avfiltergraph.h>
          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
compilation terminated.
make: *** [Makefile:108: src/main.o] Error 1