[FFmpeg-devel] [PATCH] fate: add tests for psnr and ssim filter

[Paul B Mahol]

On 7/19/17, Ronald S. Bultje <rsbultje at gmail.com> wrote:
> Hi Tobias,
>
> On Wed, Jul 19, 2017 at 5:40 AM, Tobias Rapp <t.rapp at noa-archive.com> wrote:
>
>> +# FIXME: override CPUFLAGS to avoid failure on x86 (issue #6519)
>

This is unacceptable hack.

>
> I'm assuming this is because of floating point rounding differences. Is it
> possible to use a test similar to the floating-point codec tests that
> allows slight offs? The differences are usually miniscule, right? Ideally,
> the x86 SIMD would be tested also.

No, filter's asm code, overreads buffer, causing crash.