[FFmpeg-devel] [PATCH] avfilter, swresample, swscale: use fabs, fabsf instead of FFABS
h.leppkes at gmail.com
Wed Oct 14 12:50:08 CEST 2015
On Wed, Oct 14, 2015 at 12:37 PM, Ganesh Ajjanagadde <gajjanag at mit.edu> wrote:
> On Wed, Oct 14, 2015 at 5:01 AM, Matt Oliver <protogonoi at gmail.com> wrote:
>> On 14 October 2015 at 09:46, Ganesh Ajjanagadde <gajjanag at mit.edu> wrote:
>>> On Tue, Oct 13, 2015 at 9:12 AM, Ganesh Ajjanagadde <gajjanag at mit.edu>
>>> > On Tue, Oct 13, 2015 at 4:02 AM, Clément Bœsch <u at pkh.me> wrote:
>>> >> On Tue, Oct 13, 2015 at 09:25:03AM +0200, Paul B Mahol wrote:
>>> >> [...]
>>> >>> What about fmax/FFMAX?
>>> >> Feel free to try that out (it looks OT regarding the patch), but fmax()
>>> >> looks glibc specific
>>> Seems they are actually ISO:
>>> Can someone check availability on all of our platforms of interest
>>> (e.g Microsoft)?
>> fmax and fmin are only available on msvc using 2013 or newer. Currently the
>> only msvc version without fmax/fmin that FFmpeg supports is 2012 which uses
>> the C99 to C89 converter.
> And does that converter handle fmin, fmax, fmaxf, etc?
> Does it need patches?
> Bottom line: are they safe to use at the moment?
No, they are not.
One thing I don't understand - why are we bothering with something
that at best comes out as "same speed" from tests performed? (low
number of runs are irrelevant as they are not statistically
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