[FFmpeg-devel] [PATCH] fate/jpeg2000dec: add selected conformance codestreams from ISO/IEC 15444-4

[Pierre-Anthony Lemieux]

On Thu, Aug 22, 2024 at 2:24 AM WATANABE Osamu
<owatanab at es.takushoku-u.ac.jp> wrote:
>
> Hi Pierre, Tomas,
>
> For lossy codestreams, I found a potential problem on the current 9x7 integer IDWT (which will be activated with the +bitexact flag.)

Probably related?

https://trac.ffmpeg.org/ticket/10123

>
> I have confirmed that FFMPEG passes all the test cases without the flag.
>
> The problem has been locally solved with the updated code, however, the patch set is not yet ready.
> (It won't take long)
>
> Best,
> Osamu
>
>
> > 2024/08/22 1:01、Pierre-Anthony Lemieux <pal at sandflow.com>のメール:
> >
> > ?On Wed, Aug 21, 2024 at 8:54?AM Tomas Hardin <git at haerdin.se> wrote:
> >>
> >> man 2024-08-19 klockan 23:03 -0700 skrev pal at sandflow.com:
> >>> From: Pierre-Anthony Lemieux <pal at palemieux.com>
> >>>
> >>> ---
> >>> tests/fate/jpeg2000.mak                  | 129
> >>
> >> I presume you've tested that the frames match the references as
> >> required. If so then it looks OK to me
> >
> > @osamu you checked that all the codestreams decoded within acceptable
> > limits, right? If so, I will add you as co-author.
> >
> > (I have only checked a few of them for accuracy per the spec. I have
> > checked all of them for memory leaks/crashes.)
> >
> >>
> >> /Tomas
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