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| author | Paul B Mahol <onemda@gmail.com> | 2022-03-13 15:38:11 +0100 |
|---|---|---|
| committer | Paul B Mahol <onemda@gmail.com> | 2022-03-13 17:28:24 +0100 |
| commit | 3cb5a5f64c87d0129efb28ebd34a63693daf1cf4 (patch) | |
| tree | 33de328fe12e83129f92909aa48348a13f8edc6a | |
| parent | 9e279c8c2d0ce36f20f7981ad0a771eaef4d1f44 (diff) | |
| download | ffmpeg-3cb5a5f64c87d0129efb28ebd34a63693daf1cf4.tar.gz | |
avfilter/af_afftdn: improve residual tracking
| -rw-r--r-- | libavfilter/af_afftdn.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/libavfilter/af_afftdn.c b/libavfilter/af_afftdn.c index 03e55f893f..726ea4aade 100644 --- a/libavfilter/af_afftdn.c +++ b/libavfilter/af_afftdn.c @@ -580,7 +580,7 @@ static void set_parameters(AudioFFTDeNoiseContext *s, DeNoiseChannel *dnch, int if (update_var || dnch->last_residual_floor != dnch->residual_floor) { update_var = 1; dnch->last_residual_floor = dnch->residual_floor; - dnch->last_noise_reduction = fmax(dnch->last_noise_floor - dnch->last_residual_floor, 0); + dnch->last_noise_reduction = fmax(dnch->last_noise_floor - dnch->last_residual_floor + 100., 0); dnch->max_gain = exp(dnch->last_noise_reduction * (0.5 * C)); } } else if (update_var || dnch->noise_reduction != dnch->last_noise_reduction) { @@ -998,11 +998,11 @@ static void set_noise_profile(AudioFFTDeNoiseContext *s, for (int m = 0; m < NB_PROFILE_BANDS; m++) sum += temp[m]; - d1 = (int)(sum / NB_PROFILE_BANDS - 0.5); + d1 = sum / NB_PROFILE_BANDS; for (int m = 0; m < NB_PROFILE_BANDS; m++) temp[m] -= d1; - new_noise_floor = d1 + 2.5; + new_noise_floor = round(d1) + 2.5; if (new_profile) { av_log(s, AV_LOG_INFO, "bn="); |