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/third_party/ffmpeg/libavfilter/
H A Daf_adynamicequalizer.c97 double Lxg, Lxl, Lyg, Lyl, Ly1; in get_gain() local
103 Lxg = to_dB(fabs(in) + DBL_EPSILON); in get_gain()
105 Lyg = Lxg + (iratio - 1.) * sqr(Lxg - thresdb + width * .5) / (2. * width); in get_gain()
107 checkwidth = 2. * fabs(Lxg - thresdb); in get_gain()
108 if (2. * (Lxg - thresdb) < -width) { in get_gain()
109 Lyg = Lxg; in get_gain()
111 Lyg = thresdb + (Lxg - thresdb) * iratio; in get_gain()
116 } else if (2. * (Lxg - thresdb) > width) { in get_gain()
117 Lyg = thresdb + (Lxg in get_gain()
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