Searched refs:c_im (Results 1 – 2 of 2) sorted by relevance
| /third_party/ffmpeg/libavcodec/ |
| D | iirfilter.c | 88 double a_re, a_im, c_re, c_im; in butterworth_init_coeffs() local
94 c_im = zp[1]; in butterworth_init_coeffs()
95 zp[0] = (a_re * c_re + a_im * c_im) / (c_re * c_re + c_im * c_im); in butterworth_init_coeffs()
96 zp[1] = (a_im * c_re - a_re * c_im) / (c_re * c_re + c_im * c_im); in butterworth_init_coeffs()
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| /third_party/ffmpeg/libavfilter/ |
| D | af_surround.c | 139 float c_re, float c_im,
148 float c_re, float c_im,
981 float c_re, float c_im, in upmix_7_1_5_0_side() argument
1004 c_phase = atan2f(c_im, c_re); in upmix_7_1_5_0_side()
1022 dstc[2 * n + 1] = c_im; in upmix_7_1_5_0_side()
1041 float c_re, float c_im, in upmix_7_1_5_1() argument
1078 dstc[2 * n + 1] = c_im; in upmix_7_1_5_1()
1142 float c_re = srcc[2 * n], c_im = srcc[2 * n + 1]; in filter_surround() local
1143 float c_mag = hypotf(c_re, c_im); in filter_surround()
1144 float c_phase = atan2f(c_im, c_re); in filter_surround()
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