[FFmpeg-devel] [PATCH] lavc/videotoolbox: Consistent fallback to external software encoding/decoding.

[wm4]

On Mon, 21 Mar 2016 11:34:11 +0100
Thilo Borgmann <thilo.borgmann at mail.de> wrote:

> Am 21.03.16 um 08:23 schrieb wm4:
> > On Sun, 20 Mar 2016 16:49:18 +0100
> > Thilo Borgmann <thilo.borgmann at mail.de> wrote:
> >   
> >> Hi,
> >>
> >> trying to handle software fallback more consistently for videotoolbox and
> >> probably other hardware accelerations.
> >>
> >> Addresses ticket #5352 where software fallback is demanded which has been
> >> removed on purpose before. With this patch the user can configure the desired
> >> behaviour.
> >>
> >> -Thilo  
> > 
> > Please explain how a hwaccel that uses no hardware decoding makes any
> > sense at all.  
> 
> Checking compliance, comparing output/performance, work around a possible bug in
> an alternative decoder... of course it is no alternative if you need/want the
> benefits of hardware decoding but there are use cases that come to mind.
> And maybe you don't have an alternative decoder at hand...

But it's integrated as hwaccel, so most of these arguments don't make
too much sense to me. Please don't touch the hwaccel thing, and wait
until there's a separate videotolbox decoder.