mul_poly         1074 libavcodec/ac3enc.c             r = mul_poly(r, a, poly);
mul_poly         1075 libavcodec/ac3enc.c         a = mul_poly(a, a, poly);
mul_poly         1133 libavcodec/ac3enc.c     crc1 = mul_poly(crc_inv, crc1, CRC16_POLY);