SN2                83 libavfilter/vf_pp7.c     N / (SN0 * SN0), N / (SN0 * SN2), N / (SN0 * SN0), N / (SN0 * SN2),
SN2                84 libavfilter/vf_pp7.c     N / (SN2 * SN0), N / (SN2 * SN2), N / (SN2 * SN0), N / (SN2 * SN2),
SN2                85 libavfilter/vf_pp7.c     N / (SN0 * SN0), N / (SN0 * SN2), N / (SN0 * SN0), N / (SN0 * SN2),
SN2                86 libavfilter/vf_pp7.c     N / (SN2 * SN0), N / (SN2 * SN2), N / (SN2 * SN0), N / (SN2 * SN2),
SN2                96 libavfilter/vf_pp7.c             p->thres2[qp][i] = ((i&1) ? SN2 : SN0) * ((i&4) ? SN2 : SN0) * FFMAX(1, qp) * (1<<2) - 1 - bias;