From: Guillaume Khayat <gkhayat@spectre-music.com>
To: FFmpeg development discussions and patches <ffmpeg-devel@ffmpeg.org>
Subject: Re: [FFmpeg-devel] ebur128 bounty
Date: Fri, 13 Jun 2025 09:45:27 +0200
Message-ID: <05D093B2-D85E-4F71-BEC1-65AD794B06A8@spectre-music.com> (raw)
In-Reply-To: <20250612221859.GB1182637@haasn.xyz>
Hi Niklas,
Vey nice. I’m seeing 22% improvement already.
I’ll reach out privately to get us started on the paperwork.
Best,
SPECTRE
Guillaume KHAYAT / Technical Director
(T) +33 (0)1 43 87 12 34
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> On 12 Jun 2025, at 22:18, Niklas Haas <ffmpeg@haasn.xyz> wrote:
>
> On Thu, 12 Jun 2025 17:09:35 +0200 Guillaume Khayat <gkhayat@spectre-music.com> wrote:
>> Hi Niklas,
>>
>> Awesome!
>>
>>> To be clear, you are fine with me taking your existing SIMD code as a starting point?
>> Yes I am
>>
>>> Out of curiousity, did you try the "loudnorm" filter as well?
>> Yes, it’s significantly slower.
>> Last i checked it was 30x realtime. I measured ebur128 at 200x with peak=true, and 1000x with peak=none
>
> I sent some preliminary fixes that improve the performance somewhat on my end.
>
> Still working on an FMA3/AVX2 backend, I will probably finish it by tomorrow.
>
>>
>> Guillaume
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>> https://ffmpeg.org/mailman/listinfo/ffmpeg-devel
>>
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prev parent reply other threads:[~2025-06-13 7:46 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-06-12 14:49 Guillaume Khayat
2025-06-12 14:59 ` Niklas Haas
2025-06-12 15:09 ` Guillaume Khayat
2025-06-12 20:18 ` Niklas Haas
2025-06-13 7:45 ` Guillaume Khayat [this message]
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