[FFmpeg-devel] Re: [PATCH] libavfilter: Fix incorrect ebur128 peak calculation.

[Michael Niedermayer via ffmpeg-devel <ffmpeg-devel@ffmpeg.org>]

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Hi

adding niklas to the CC so its not missed
but i agree the patch LGTM

On Tue, Nov 04, 2025 at 08:52:36PM +0100, Nicolas George via ffmpeg-devel wrote:
> Carl Hetherington via ffmpeg-devel (HE12025-11-03):
> > 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(-)
> 
> Hi. Thanks for the patch. I suspect the issue has been here for a longer
> time, if only on one branch of the conditional build:
> 
> #if CONFIG_SWRESAMPLE
> …
>                 const double sample = fabs(swr_samples[i * nb_channels]);
> #endif
> 
> versus
> 
>             const double *restrict samples_ch = &samples[ch];
> …
>                 const double sample = fabs(samples_ch[nb_channels * i]);
> 
> Anyway, the fix looks good to me.
> 
> Niklas, it has become mostly your code, what do you make of it?

[...]

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Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

In fact, the RIAA has been known to suggest that students drop out
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