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avfilter/af_astats: do not give output for 0 samples

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This commit is contained in:
Paul B Mahol 2022-11-30 21:18:20 +01:00
parent 569b1a24cd
commit 14e6ca17e1
1 changed files with 6 additions and 0 deletions
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6
libavfilter/af_astats.c
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@ -668,6 +668,9 @@ static void print_stats(AVFilterContext *ctx)
for (c = 0; c < s->nb_channels; c++) {
ChannelStats *p = &s->chstats[c];
if (p->nb_samples == 0)
continue;
if (p->nb_samples < s->tc_samples)
p->min_sigma_x2 = p->max_sigma_x2 = p->sigma_x2 / p->nb_samples;
@ -754,6 +757,9 @@ static void print_stats(AVFilterContext *ctx)
av_log(ctx, AV_LOG_INFO, "Number of denormals: %"PRId64"\n", p->nb_denormals);
}
if (nb_samples == 0)
return;
if (s->measure_overall != MEASURE_NONE)
av_log(ctx, AV_LOG_INFO, "Overall\n");
if (s->measure_overall & MEASURE_DC_OFFSET)