mod_b             205 libavcodec/dcadct.c     mod_b(buf_b + 16, buf_a + 16);
mod_b             338 libavcodec/dcadct.c     mod_b(buf_a + 16, buf_b + 16);
mod_b             339 libavcodec/dcadct.c     mod_b(buf_a + 32, buf_b + 32);
mod_b             340 libavcodec/dcadct.c     mod_b(buf_a + 48, buf_b + 48);