[FFmpeg-devel] [PATCH] lavc/vc1dsp: match C block layout in inv_trans_4x8_rvv

[Rémi Denis-Courmont]

Le 11 juin 2024 15:09:42 GMT+03:00, "Ronald S. Bultje" <rsbultje at gmail.com> a écrit :
>Hi,
>
>On Mon, Jun 10, 2024 at 3:20 PM Rémi Denis-Courmont <remi at 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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