From: "Rémi Denis-Courmont" <remi@remlab.net>
To: FFmpeg development discussions and patches <ffmpeg-devel@ffmpeg.org>
Subject: Re: [FFmpeg-devel] [PATCH] lavc/vc1dsp: match C block layout in inv_trans_4x8_rvv
Date: Tue, 11 Jun 2024 15:19:16 +0300
Message-ID: <DBE42D38-4F8E-41E3-9429-93BB29834A38@remlab.net> (raw)
In-Reply-To: <CAEEMt2=R1hrRbEv4shn-2M-uaQ2wmPr8unbdOdp+Bi8iDwQeuA@mail.gmail.com>
Le 11 juin 2024 15:09:42 GMT+03:00, "Ronald S. Bultje" <rsbultje@gmail.com> a écrit :
>Hi,
>
>On Mon, Jun 10, 2024 at 3:20 PM Rémi Denis-Courmont <remi@remlab.net> wrote:
>
>> Although checkasm does not verify this, the decoder requires that the
>> transform updates the input block exactly like the C code does.
>>
>
>Would it be possible to update the checkasm test to verify this?
In theory, it has to be possible. I can't do it for lack of knowledge about VC-1 though. James tried to make such a patch but it ended up failing both AArch64 and RVV 8x4 transforms. I don't know if this points to a latent bug or is a false positive.
>
>Ronald
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next prev parent reply other threads:[~2024-06-11 12:19 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-06-10 19:03 [FFmpeg-devel] [PATCH] lavc/vc1dsp: match C block layout in inv_trans_4x4_rvv Rémi Denis-Courmont
2024-06-10 19:20 ` [FFmpeg-devel] [PATCH] lavc/vc1dsp: match C block layout in inv_trans_4x8_rvv Rémi Denis-Courmont
2024-06-11 12:09 ` Ronald S. Bultje
2024-06-11 12:19 ` Rémi Denis-Courmont [this message]
2024-06-11 12:23 ` James Almer
2024-06-11 14:53 ` Rémi Denis-Courmont
2024-06-11 14:55 ` [FFmpeg-devel] [PATCH 1/2] lavc/vc1dsp: match C block content in inv_trans_8x4_rvv Rémi Denis-Courmont
2024-06-11 14:55 ` [FFmpeg-devel] [PATCH 2/2] checkasm/vc1dsp: check the not-in-place block content Rémi Denis-Courmont
2024-06-11 15:08 ` James Almer
2024-06-11 15:34 ` Rémi Denis-Courmont
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