diff options
author | Sebastian Dröge <sebastian at centricular.com> | 2020-05-01 20:52:00 -0700 |
---|---|---|
committer | Kyle Swanson <k@ylo.ph> | 2020-05-01 21:36:07 -0700 |
commit | ed3da72583298ed04a488e363bd3fa6d69ade165 (patch) | |
tree | bddfc37694f83f2898ab051622f7ef316aa25fbe /libavfilter/af_loudnorm.c | |
parent | 9ce7de903882793749abc68eeb29813a19f50de5 (diff) |
s->target_i and global are in dB but s->target_tp and true_peak are
linear. Instead of mixing these in the calculations, convert the former
first to have all following calculations in the same unit.
Signed-off-by: Kyle Swanson <k@ylo.ph>
Diffstat (limited to 'libavfilter/af_loudnorm.c')
-rw-r--r-- | libavfilter/af_loudnorm.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/libavfilter/af_loudnorm.c b/libavfilter/af_loudnorm.c index 314b25fa39..8e3cdc36db 100644 --- a/libavfilter/af_loudnorm.c +++ b/libavfilter/af_loudnorm.c @@ -453,10 +453,9 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *in) true_peak = tmp; } - offset = s->target_i - global; - offset_tp = true_peak + offset; + offset = pow(10., (s->target_i - global) / 20.); + offset_tp = true_peak * offset; s->offset = offset_tp < s->target_tp ? offset : s->target_tp - true_peak; - s->offset = pow(10., s->offset / 20.); s->frame_type = LINEAR_MODE; } |