AVFilterContext *ctx = inlink->dst;
AudioVectorScopeContext *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));
return 0;
}