From: Giovanni Mascellani via ffmpeg-devel <ffmpeg-devel@ffmpeg.org>
To: Zhao Zhili <quinkblack@foxmail.com>,
FFmpeg development discussions and patches
<ffmpeg-devel@ffmpeg.org>
Cc: Giovanni Mascellani <gmascellani@codeweavers.com>
Subject: [FFmpeg-devel] Re: [PATCH] avcodec/h2645_vui: Interpret a degenerate SAR as unspecified.
Date: Tue, 4 Nov 2025 14:58:39 +0100
Message-ID: <50110314-e8d2-48d9-b229-d4c5faf4a035@codeweavers.com> (raw)
In-Reply-To: <tencent_E60E4E0670582D899A2A40FE9A8B9FC0AB08@qq.com>
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Hi,
Il 04/11/25 14:50, Zhao Zhili ha scritto:
>> The specification says that if either the numerator or the
>> denominator is zero then the SAR is to be intended unspecified.
>> Internally ffmpeg represents an unspecified SAR as 0/1, while
>> fractions with a zero denominator are not handled properly;
>
> Is there any known issue?
I observed this problem with a bunch of video files provided by game
OddBallers when executed with Wine/Proton. There is some more backstory
on my first submission of this patch last year:
https://ffmpeg.org/pipermail/ffmpeg-devel/2024-July/331835.html
Thanks, Giovanni.
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prev parent reply other threads:[~2025-11-04 13:59 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-11-04 13:37 [FFmpeg-devel] " Giovanni Mascellani via ffmpeg-devel
2025-11-04 13:50 ` [FFmpeg-devel] " Zhao Zhili via ffmpeg-devel
2025-11-04 13:58 ` Giovanni Mascellani via ffmpeg-devel [this message]
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