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avfilter/af_astats: fix possible crash because of undefined float to integer rounding
Fixes ticket #9049. Signed-off-by: Marton Balint <cus@passwd.hu>
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@ -329,11 +329,11 @@ static inline void update_stat(AudioStatsContext *s, ChannelStats *p, double d,
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drop = p->win_samples[p->win_pos];
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p->win_samples[p->win_pos] = nd;
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index = av_clip(FFABS(av_clipd(nd, -1.0, 1.0)) * HISTOGRAM_MAX, 0, HISTOGRAM_MAX);
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index = av_clip(lrint(av_clipd(FFABS(nd), 0.0, 1.0) * HISTOGRAM_MAX), 0, HISTOGRAM_MAX);
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p->max_index = FFMAX(p->max_index, index);
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p->histogram[index]++;
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if (!isnan(p->noise_floor))
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p->histogram[av_clip(FFABS(drop) * HISTOGRAM_MAX, 0, HISTOGRAM_MAX)]--;
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p->histogram[av_clip(lrint(av_clipd(FFABS(drop), 0.0, 1.0) * HISTOGRAM_MAX), 0, HISTOGRAM_MAX)]--;
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p->win_pos++;
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while (p->histogram[p->max_index] == 0)
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