FIX15              96 libavcodec/fft_template.c         tab[i] = FIX15(cos(i*freq));
FIX15              84 libavcodec/mdct_template.c         s->tcos[i*tstep] = FIX15(-cos(alpha) * scale);
FIX15              85 libavcodec/mdct_template.c         s->tsin[i*tstep] = FIX15(-sin(alpha) * scale);