ff_imdct_half_3dn2  766 libavcodec/dsputil.h void ff_imdct_half_3dn2(MDCTContext *s, FFTSample *output, const FFTSample *input);
ff_imdct_half_3dn2  101 libavcodec/fft.c         s->imdct_half = ff_imdct_half_3dn2;
ff_imdct_half_3dn2  152 libavcodec/x86/fft_3dn2.c     ff_imdct_half_3dn2(s, output+n4, input);