[FFmpeg-devel] [PATCH] avcodec: only warn about hwaccel with frame threads

Michael Niedermayer michael at niedermayer.cc
Sat Jan 23 13:50:32 CET 2016

On Sat, Jan 23, 2016 at 11:42:54AM +0100, Hendrik Leppkes wrote:
> On Sat, Jan 23, 2016 at 10:12 AM, Andreas Cadhalpun
> <andreas.cadhalpun at googlemail.com> wrote:
> > VLC uses hwaccel with frame threads and it works fine, but returning
> > an error here made it fail.
> >
> > This regression was introduced in commit 31741ae.
> >
> I'm still opposed to this, and so is everyone else that commented on the issue.

I have no oppinion on the patch itself but i think
if MT+HWaccel works in some case(s) and is faster then there should be
a way to enable that. We have optional "fast" decoding support too
that skips some checks and could crash or uses simpler dequantization
or our skip loopfilter support, ...

Of course loosing videolan is a major problem too, i dont think
that should be taken lightly.

I dont understand the technical side of the MT+HWaccel problems well
enough to argue about that or possible solutions. 

Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

Freedom in capitalist society always remains about the same as it was in
ancient Greek republics: Freedom for slave owners. -- Vladimir Lenin
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