norm21            126 libavcodec/synth_filter.c         out[i     ] = clip23(norm21(a));
norm21            127 libavcodec/synth_filter.c         out[i + 16] = clip23(norm21(b));
norm21            128 libavcodec/synth_filter.c         synth_buf2[i     ] = norm21(c);
norm21            129 libavcodec/synth_filter.c         synth_buf2[i + 16] = norm21(d);