From: "Ronald S. Bultje" <rsbultje@gmail.com>
To: FFmpeg development discussions and patches <ffmpeg-devel@ffmpeg.org>
Subject: Re: [FFmpeg-devel] [PATCH] avcodec/x86/hevc: fix luma 12b overflow
Date: Sun, 25 Feb 2024 11:22:40 -0500
Message-ID: <CAEEMt2nLXPTGdv8j+1SKNBAgWy-G4PaFkSqd7ZzNLiG4iAHO8g@mail.gmail.com> (raw)
In-Reply-To: <CAEEMt2=B2TF550nA6QgSFd+Ng7oRizCGxyZ=ugrmo+FiKCoCUw@mail.gmail.com>
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On Sun, Feb 25, 2024 at 10:56 AM Ronald S. Bultje <rsbultje@gmail.com>
wrote:
> Hi,
>
> On Sun, Feb 25, 2024 at 3:28 AM J. Dekker <jdek@itanimul.li> wrote:
>
>> Weak filter can overflow in delta0 calculation before >> 4 in int16.
>>
>> Signed-off-by: J. Dekker <jdek@itanimul.li>
>> ---
>>
>> I do not know x86 simd at all, so this is just an attempt to fix
>> the implementation rather than write extremely performant code.
>>
>> Suggestions welcome.
>>
>
> https://pastebin.com/KvcbQ2nK
>
Attached a slightly adjusted version which does sse2 in 16bit also.
Ronald
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next prev parent reply other threads:[~2024-02-25 16:23 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-02-25 8:27 J. Dekker
2024-02-25 15:56 ` Ronald S. Bultje
2024-02-25 16:22 ` Ronald S. Bultje [this message]
2024-02-25 16:24 ` Ronald S. Bultje
2024-02-25 16:28 ` James Almer
2024-02-25 16:41 ` Ronald S. Bultje
2024-02-25 22:30 ` Henrik Gramner via ffmpeg-devel
2024-02-25 23:00 ` Ronald S. Bultje
2024-02-26 14:26 ` J. Dekker
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