[FFmpeg-devel] [PATCH]Warn if cbr and threads > 1 is used for jpeg encoding
michaelni at gmx.at
Wed Dec 18 02:22:26 CET 2013
On Tue, Dec 17, 2013 at 11:37:38PM +0000, Carl Eugen Hoyos wrote:
> Michael Niedermayer <michaelni <at> gmx.at> writes:
> > > + av_log(avctx, AV_LOG_WARNING, "JPEG CBR encoding
> > > works badly with more than one thread, "
> > > + "consider using -threads 1 or a constant
> > > quantiser\n");
> > it should work with slice threads,
> Yes, it does.
> > just frame threads maybe dont work
> It fails badly;-(
> > also disabling frame threads in case no explicit
> > threads is specified might be nice
> How would that work?
> The default for thread_type is frame + slice,
> so how can libavcodec detect if it was explicitely
> specified or not?
i meant the thread count
Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB
No great genius has ever existed without some touch of madness. -- Aristotle
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