From: Leo Izen <leo.izen@gmail.com>
To: FFmpeg development discussions and patches <ffmpeg-devel@ffmpeg.org>
Subject: Re: [FFmpeg-devel] [PATCH v13 3/4] avcodec/libjxl: add Jpeg XL encoding via libjxl
Date: Mon, 11 Apr 2022 07:16:21 -0400
Message-ID: <52971445-255c-1ecd-99ea-4303efd8ba73@gmail.com> (raw)
In-Reply-To: <164951025246.21047.6570158843618793411@lain.red.khirnov.net>
On 4/9/22 09:17, Anton Khirnov wrote:
> Quoting Leo Izen (2022-04-05 18:55:03)
>> +
>> + /* check for negative zero, our default */
>> + if (1.0f / ctx->distance == 1.0f / -0.0f) {
> IIRC division by zero is UB. Why not make the default -1.0 and then just
> check whether the number is negative?
>
The legal range is between 0 and 15, so if I set the default to -1, it
whines that the value is invalid. Should I just set the legal range to
-1 to 15 then and assume negative is unset?
-Leo Izen (thebombzen)
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next prev parent reply other threads:[~2022-04-11 11:16 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-04-05 16:55 [FFmpeg-devel] [PATCH v13 0/4] Jpeg XL Patch Set Leo Izen
2022-04-05 16:55 ` [FFmpeg-devel] [PATCH v13 1/4] avcodec/jpegxl: add Jpeg XL image codec Leo Izen
2022-04-05 16:55 ` [FFmpeg-devel] [PATCH v13 2/4] avcodec/libjxl: add Jpeg XL decoding via libjxl Leo Izen
2022-04-05 16:55 ` [FFmpeg-devel] [PATCH v13 3/4] avcodec/libjxl: add Jpeg XL encoding " Leo Izen
2022-04-09 13:17 ` Anton Khirnov
2022-04-09 15:37 ` James Almer
2022-04-09 15:44 ` Hendrik Leppkes
2022-04-11 12:54 ` Anton Khirnov
2022-04-11 11:16 ` Leo Izen [this message]
2022-04-11 12:52 ` Anton Khirnov
2022-04-05 16:55 ` [FFmpeg-devel] [PATCH v13 4/4] avformat/image2: add Jpeg XL as image2 format Leo Izen
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