Searched refs:cos_w0 (Results 1 - 2 of 2) sorted by relevance

/netgear-R7000-V1.0.7.12_1.2.5/ap/gpl/minidlna/ffmpeg-2.3.4/libavcodec/
H A Diirfilter.c122 double cos_w0, sin_w0; local
136 cos_w0 = cos(M_PI * cutoff_ratio);
142 c->gain = ((1.0 + cos_w0) / 2.0) / a0;
143 x0 = ((1.0 + cos_w0) / 2.0) / a0;
144 x1 = (-(1.0 + cos_w0)) / a0;
146 c->gain = ((1.0 - cos_w0) / 2.0) / a0;
147 x0 = ((1.0 - cos_w0) / 2.0) / a0;
148 x1 = (1.0 - cos_w0) / a0;
151 c->cy[1] = (2.0 * cos_w0) / a0;
/netgear-R7000-V1.0.7.12_1.2.5/ap/gpl/iserver/libav-0.8.8/libavcodec/
H A Diirfilter.c119 double cos_w0, sin_w0; local
133 cos_w0 = cos(M_PI * cutoff_ratio);
139 c->gain = ((1.0 + cos_w0) / 2.0) / a0;
140 x0 = ((1.0 + cos_w0) / 2.0) / a0;
141 x1 = (-(1.0 + cos_w0)) / a0;
143 c->gain = ((1.0 - cos_w0) / 2.0) / a0;
144 x0 = ((1.0 - cos_w0) / 2.0) / a0;
145 x1 = (1.0 - cos_w0) / a0;
148 c->cy[1] = (2.0 * cos_w0) / a0;

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