---
libavfilter/af_volumedetect.c | 62 +++++++++++++++++------------------
1 file changed, 31 insertions(+), 31 deletions(-)
diff --git a/libavfilter/af_volumedetect.c b/libavfilter/af_volumedetect.c
index 778f0cac6c..a53212015d 100644
--- a/libavfilter/af_volumedetect.c
+++ b/libavfilter/af_volumedetect.c
@@ -160,40 +160,40 @@ static void print_stats(AVFilterContext *ctx)
sum += vd->histogram[i];
}
} else {
- for (i = 0; i < 0x10000; i++)
- nb_samples += vd->histogram[i];
- av_log(ctx, AV_LOG_INFO, "n_samples: %"PRId64"\n", nb_samples);
- if (!nb_samples)
- return;
+ for (i = 0; i < 0x10000; i++)
+ nb_samples += vd->histogram[i];
+ av_log(ctx, AV_LOG_INFO, "n_samples: %"PRId64"\n", nb_samples);
+ if (!nb_samples)
+ return;
- /* If nb_samples > 1<<34, there is a risk of overflow in the
- multiplication or the sum: shift all histogram values to avoid that.
- The total number of samples must be recomputed to avoid rounding
- errors. */
- shift = av_log2(nb_samples >> 33);
- for (i = 0; i < 0x10000; i++) {
- nb_samples_shift += vd->histogram[i] >> shift;
- power += (i - 0x8000) * (i - 0x8000) * (vd->histogram[i] >> shift);
- }
- if (!nb_samples_shift)
- return;
- power = (power + nb_samples_shift / 2) / nb_samples_shift;
- av_assert0(power <= 0x8000 * 0x8000);
- av_log(ctx, AV_LOG_INFO, "mean_volume: %.1f dB\n", -logdb((double)power,
AV_SAMPLE_FMT_S16));
+ /* If nb_samples > 1<<34, there is a risk of overflow in the
+ multiplication or the sum: shift all histogram values to avoid that.
+ The total number of samples must be recomputed to avoid rounding
+ errors. */
+ shift = av_log2(nb_samples >> 33);
+ for (i = 0; i < 0x10000; i++) {
+ nb_samples_shift += vd->histogram[i] >> shift;
+ power += (i - 0x8000) * (i - 0x8000) * (vd->histogram[i] >> shift);
+ }
+ if (!nb_samples_shift)
+ return;
+ power = (power + nb_samples_shift / 2) / nb_samples_shift;
+ av_assert0(power <= 0x8000 * 0x8000);
+ av_log(ctx, AV_LOG_INFO, "mean_volume: %.1f dB\n",
-logdb((double)power, AV_SAMPLE_FMT_S16));
- max_volume = 0x8000;
- while (max_volume > 0 && !vd->histogram[0x8000 + max_volume] &&
- !vd->histogram[0x8000 - max_volume])
- max_volume--;
- av_log(ctx, AV_LOG_INFO, "max_volume: %.1f dB\n",
-logdb((double)(max_volume * max_volume), AV_SAMPLE_FMT_S16));
+ max_volume = 0x8000;
+ while (max_volume > 0 && !vd->histogram[0x8000 + max_volume] &&
+ !vd->histogram[0x8000 - max_volume])
+ max_volume--;
+ av_log(ctx, AV_LOG_INFO, "max_volume: %.1f dB\n",
-logdb((double)(max_volume * max_volume), AV_SAMPLE_FMT_S16));
- for (i = 0; i < 0x10000; i++)
- histdb[(int)logdb((double)(i - 0x8000) * (i - 0x8000),
AV_SAMPLE_FMT_S16)] += vd->histogram[i];
- for (i = 0; i <= MAX_DB && !histdb[i]; i++);
- for (; i <= MAX_DB && sum < nb_samples / 1000; i++) {
- av_log(ctx, AV_LOG_INFO, "histogram_%ddb: %"PRId64"\n", -i, histdb[i]);
- sum += histdb[i];
- }
+ for (i = 0; i < 0x10000; i++)
+ histdb[(int)logdb((double)(i - 0x8000) * (i - 0x8000),
AV_SAMPLE_FMT_S16)] += vd->histogram[i];
+ for (i = 0; i <= MAX_DB && !histdb[i]; i++);
+ for (; i <= MAX_DB && sum < nb_samples / 1000; i++) {
+ av_log(ctx, AV_LOG_INFO, "histogram_%ddb: %"PRId64"\n", -i,
histdb[i]);
+ sum += histdb[i];
+ }
}
}
--
2.45.2
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