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| author | Paul B Mahol <onemda@gmail.com> | 2023-08-14 01:36:34 +0200 |
|---|---|---|
| committer | Paul B Mahol <onemda@gmail.com> | 2023-08-14 11:19:56 +0200 |
| commit | 24c013369dee69b87b517d6a7d71644d094a4e46 (patch) | |
| tree | 3db6f746192b3caad1293007718d1f3c4aa6b129 /libavfilter/af_asdr.c | |
| parent | 10110a30b54c161fd267bb53b424b12aabdfcf70 (diff) | |
| download | ffmpeg-24c013369dee69b87b517d6a7d71644d094a4e46.tar.gz | |
avfilter/af_asdr: remove wrong scaling from sdr, and fix sisdr formula
Diffstat (limited to 'libavfilter/af_asdr.c')
| -rw-r--r-- | libavfilter/af_asdr.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/libavfilter/af_asdr.c b/libavfilter/af_asdr.c index dbbb7e3419..3942f48053 100644 --- a/libavfilter/af_asdr.c +++ b/libavfilter/af_asdr.c @@ -225,11 +225,11 @@ static av_cold void uninit(AVFilterContext *ctx) if (!strcmp(ctx->filter->name, "asdr")) { for (int ch = 0; ch < s->channels; ch++) - av_log(ctx, AV_LOG_INFO, "SDR ch%d: %g dB\n", ch, 20. * log10(s->chs[ch].u / s->chs[ch].uv)); + av_log(ctx, AV_LOG_INFO, "SDR ch%d: %g dB\n", ch, 10. * log10(s->chs[ch].u / s->chs[ch].uv)); } else if (!strcmp(ctx->filter->name, "asisdr")) { for (int ch = 0; ch < s->channels; ch++) { double scale = s->chs[ch].uv / s->chs[ch].v; - double sisdr = s->chs[ch].u / fmax(0., s->chs[ch].u + scale*scale*s->chs[ch].v - 2.0*scale*s->chs[ch].uv); + double sisdr = scale * scale * s->chs[ch].v / fmax(0., s->chs[ch].u + scale*scale*s->chs[ch].v - 2.0*scale*s->chs[ch].uv); av_log(ctx, AV_LOG_INFO, "SI-SDR ch%d: %g dB\n", ch, 10. * log10(sisdr)); } |