[FFmpeg-devel] [PATCH 4/7] Adds gray floating-point pixel formats.

[Sergey Lavrushkin]

пт, 17 авг. 2018 г., 6:47 James Almer <jamrial at gmail.com>:

> On 8/14/2018 1:23 PM, Michael Niedermayer wrote:
> > On Mon, Aug 13, 2018 at 04:58:42PM +0300, Sergey Lavrushkin wrote:
> >>>
> >>> Just use av_clipf instead of FFMIN/FFMAX.
> >>
> >>
> >> Changed FFMIN/FFMAX to av_clip_uint16 and av_clip_uint8.
> >
> > will apply
> >
> > thanks
>
> This broke fate on some 32bit hosts. Guess float pixfmts shouldn't be
> tested for bitexact output. The gbrpf32 ones aren't, for example.
>
> http://fate.ffmpeg.org/report.cgi?time=20180816131312&slot=x86_32-debian-kfreebsd-gcc-4.4-cpuflags-mmx


If I am not mistaken, gbrpf32 formats are not supported in libswscale and
not tested because of that.

>
> Was a float gray pixfmt needed for this filter? Gray16 was not an option?
>

All calculations in neural network are done using floats.

What can I do to fix this issue? Can I get a VM image for this host to test
it?

>