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avfilter/af_dynaudnorm: use better limits for maximal amplification

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Fixes regression in smoothness of amplification.
This commit is contained in:
Paul B Mahol 2020-01-11 14:08:52 +01:00
parent dd39dbf983
commit b650046860
1 changed files with 3 additions and 2 deletions
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5
libavfilter/af_dynaudnorm.c
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@ -521,10 +521,11 @@ static void update_gain_history(DynamicAudioNormalizerContext *s, int channel,
} }
while (cqueue_size(s->gain_history_minimum[channel]) >= s->filter_size) { while (cqueue_size(s->gain_history_minimum[channel]) >= s->filter_size) {
double smoothed; double smoothed, limit;
smoothed = gaussian_filter(s, s->gain_history_minimum[channel], s->threshold_history[channel]); smoothed = gaussian_filter(s, s->gain_history_minimum[channel], s->threshold_history[channel]);
smoothed = FFMIN(smoothed, cqueue_peek(s->gain_history_minimum[channel], s->filter_size / 2)); limit = cqueue_peek(s->gain_history_original[channel], 0);
smoothed = FFMIN(smoothed, limit);
cqueue_enqueue(s->gain_history_smoothed[channel], smoothed); cqueue_enqueue(s->gain_history_smoothed[channel], smoothed);