avfilter/af_tremolo: make sure table size is at least 1

4 years ago · 38e71d8b6c
parent 676689cc7c
commit 38e71d8b6c
1 changed files with 1 additions and 1 deletions
--- a/libavfilter/af_tremolo.c
+++ b/libavfilter/af_tremolo.c
@ -126,7 +126,7 @@ static int config_input(AVFilterLink *inlink)
    const double offset = 1. - s->depth / 2.;
    int i;

-    s->table_size = inlink->sample_rate / s->freq;
+    s->table_size = lrint(inlink->sample_rate / s->freq + 0.5);
    s->table = av_malloc_array(s->table_size, sizeof(*s->table));
    if (!s->table)
        return AVERROR(ENOMEM);