ffmpeg | branch: master | Paul B Mahol <[email protected]> | Thu Dec 17 15:12:40 2020 +0100| [1eb751955ed0aa40f58f21e6ca7d6a1f5f74e1aa] | committer: Paul B Mahol
avfilter/af_biquads: fix error in ro calculation > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=1eb751955ed0aa40f58f21e6ca7d6a1f5f74e1aa --- libavfilter/af_biquads.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/libavfilter/af_biquads.c b/libavfilter/af_biquads.c index 6e1da52fb3..92e711bc4f 100644 --- a/libavfilter/af_biquads.c +++ b/libavfilter/af_biquads.c @@ -516,7 +516,7 @@ static int config_filter(AVFilterLink *outlink, int reset) case lowshelf: if (s->poles == 1) { double A = ff_exp10(s->gain / 20); - double ro = -sin(w0 / 2. - M_PI_4 / (sin(w0 / 2. + M_PI_4))); + double ro = -sin(w0 / 2. - M_PI_4) / sin(w0 / 2. + M_PI_4); double n = (A + 1) / (A - 1); double alpha1 = A == 1. ? 0. : n - FFSIGN(n) * sqrt(n * n - 1); double beta0 = ((1 + A) + (1 - A) * alpha1) * 0.5; @@ -542,7 +542,7 @@ static int config_filter(AVFilterLink *outlink, int reset) case highshelf: if (s->poles == 1) { double A = ff_exp10(s->gain / 20); - double ro = sin(w0 / 2. - M_PI_4 / (sin(w0 / 2. + M_PI_4))); + double ro = sin(w0 / 2. - M_PI_4) / sin(w0 / 2. + M_PI_4); double n = (A + 1) / (A - 1); double alpha1 = A == 1. ? 0. : n - FFSIGN(n) * sqrt(n * n - 1); double beta0 = ((1 + A) + (1 - A) * alpha1) * 0.5; _______________________________________________ ffmpeg-cvslog mailing list [email protected] https://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog To unsubscribe, visit link above, or email [email protected] with subject "unsubscribe".
