[FFmpeg-devel] [PATCH]Do not use mjpeg frame-threads with cbr and threads=auto
michaelni at gmx.at
Thu Dec 19 14:05:00 CET 2013
On Thu, Dec 19, 2013 at 10:42:59AM +0000, Carl Eugen Hoyos wrote:
> Reimar Döffinger <Reimar.Doeffinger <at> gmx.de> writes:
> > Carl Eugen Hoyos <cehoyos <at> ag.or.at> wrote:
> > >Michael Niedermayer <michaelni <at> gmx.at> writes:
> > >
> > >> > + && !(avctx->flags & CODEC_FLAG_QSCALE))
> > >> > + avctx->thread_type &= ~FF_THREAD_FRAME;
> > >>
> > >> i would reduce the number of threads to 1 with slice
> > >> threads you generate jpegs with resync markers, i have no
> > >> idea how widely binary decoders support such mjpegs
> > >
> > >I tried to find a decoder that doesn't support slice-encoded
> > >(m)jpeg but couldn't find one. Where you thinking about a
> > >particular decoder?
> > I doubt he was, but I would imagine digital cameras
> As in:
> Produce a mjpeg file with FFmpeg and copy it to your
> digital camera to watch it on the camera screen?
> Or do I misunderstand?
note, this patch also affects plain jpegs, not just mjpegs
Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB
You can kill me, but you cannot change the truth.
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