* [FFmpeg-devel] [PATCH] libavfilter: Fix incorrect ebur128 peak calculation.
@ 2025-11-03 20:38 Carl Hetherington via ffmpeg-devel
0 siblings, 0 replies; only message in thread
From: Carl Hetherington via ffmpeg-devel @ 2025-11-03 20:38 UTC (permalink / raw)
To: ffmpeg-devel; +Cc: Carl Hetherington
Since 3b26b782eeded9b9ab7fac013cd1a83a30d68206 it would only look at the
first channel.
Signed-off-by: cth@carlh.net
---
libavfilter/f_ebur128.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libavfilter/f_ebur128.c b/libavfilter/f_ebur128.c
index a352f3831f..84d8e44035 100644
--- a/libavfilter/f_ebur128.c
+++ b/libavfilter/f_ebur128.c
@@ -657,7 +657,7 @@ double ff_ebur128_find_peak_c(double *restrict ch_peaks, const int nb_channels,
for (int ch = 0; ch < nb_channels; ch++) {
double ch_peak = ch_peaks[ch];
for (int i = 0; i < nb_samples; i++) {
- const double sample = fabs(samples[i * nb_channels]);
+ const double sample = fabs(samples[i * nb_channels + ch]);
ch_peak = FFMAX(ch_peak, sample);
}
maxpeak = FFMAX(maxpeak, ch_peak);
--
2.51.0
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2025-11-03 20:38 [FFmpeg-devel] [PATCH] libavfilter: Fix incorrect ebur128 peak calculation Carl Hetherington via ffmpeg-devel
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