[FFmpeg-devel] [PATCH 5/6] checkasm: add tests for yuv2rgb

[Sean McGovern]

Hi Ramiro,


On Thu, Jun 27, 2024, 10:37 Ramiro Polla <ramiro.polla at gmail.com> wrote:

> On Tue, Jun 25, 2024 at 11:19 PM Ramiro Polla <ramiro.polla at gmail.com>
> wrote:
> > On Thu, Jun 20, 2024 at 4:59 PM Ramiro Polla <ramiro.polla at gmail.com>
> wrote:
> > > checkasm gets a little spammy with this commit by printing "No
> > > accelerated colorspace conversion found from %s to %s.\n" from
> > > libswscale/yuv2rgb.c multiple times. Any suggestions? Perhaps
> > > downgrading that message to AV_LOG_VERBOSE, or raising loglevel around
> > > the call to sws_getContext()?
> >
> > New patch attached that overrides the log level to prevent spamming.
>
> I'll apply this tomorrow if there are no comments.
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It looks like this exposed an issue in the AltiVec acceleration in
libswscale.

libswscale/ppc/yuv2rgb.c looks a bit too complex for me to investigate. I'd
be curious to see if this fails on a 64-bit POWER machine. I'll try to test
it later.

-- Sean McGovern

>