ARITH_GET_MODEL_SYM  108 libavcodec/mss1.c ARITH_GET_MODEL_SYM(arith)
ARITH_GET_MODEL_SYM  118 libavcodec/mss12.h #define ARITH_GET_MODEL_SYM(prefix)                                     \
ARITH_GET_MODEL_SYM  133 libavcodec/mss2.c ARITH_GET_MODEL_SYM(arith2)