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Diffstat (limited to 'libavfilter/avf_ahistogram.c')
-rw-r--r--libavfilter/avf_ahistogram.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/libavfilter/avf_ahistogram.c b/libavfilter/avf_ahistogram.c
index 7795f3913c..a0931bfa58 100644
--- a/libavfilter/avf_ahistogram.c
+++ b/libavfilter/avf_ahistogram.c
@@ -120,7 +120,7 @@ static int config_input(AVFilterLink *inlink)
AVFilterContext *ctx = inlink->dst;
AudioHistogramContext *s = ctx->priv;
- s->nb_samples = FFMAX(1, ((double)inlink->sample_rate / av_q2d(s->frame_rate)) + 0.5);
+ s->nb_samples = FFMAX(1, av_rescale(inlink->sample_rate, s->frame_rate.den, s->frame_rate.num));
s->dchannels = s->dmode == SINGLE ? 1 : inlink->channels;
s->shistogram = av_calloc(s->w, s->dchannels * sizeof(*s->shistogram));
if (!s->shistogram)