Searched refs:lfe_mag (Results 1 – 1 of 1) sorted by relevance
| /third_party/ffmpeg/libavfilter/ |
| D | af_surround.c | 346 float *lfe_mag, float *mag_total, int lfe_mode) in get_lfe() argument
349 *lfe_mag = n < lowcut ? 1.f : .5f*(1.f+cosf(M_PI*(lowcut-n)/(lowcut-highcut))); in get_lfe()
350 *lfe_mag *= *mag_total; in get_lfe()
352 *mag_total -= *lfe_mag; in get_lfe()
354 *lfe_mag = 0.f; in get_lfe()
410 float lfe_mag, l_mag, r_mag, *dstl, *dstr, *dstlfe; in upmix_2_1() local
416 get_lfe(s->output_lfe, n, s->lowcut, s->highcut, &lfe_mag, &mag_total, s->lfe_mode); in upmix_2_1()
427 dstlfe[2 * n ] = lfe_mag * cosf(c_phase); in upmix_2_1()
428 dstlfe[2 * n + 1] = lfe_mag * sinf(c_phase); in upmix_2_1()
469 float lfe_mag, l_mag, r_mag, c_mag, *dstc, *dstl, *dstr, *dstlfe; in upmix_3_1() local
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