Realtime priority

[Mathias Gyllengahm]

Thanks for fast reply! Sorry, I'm not really sure which example you mean -
and if it's applicable to gst-launch. I find
./tests/examples/streams/rtpool-test, but it's c-code and I'm not sure what
to make of it...

BR,
Mathias


2011/2/22 Michael Trimarchi <michael at panicking.kicks-ass.org>

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> Hi
>
> On 02/22/2011 03:16 PM, Mathias Gyllengahm wrote:
> > Hi again,
> >
> > I'd like to let my gstreamer process have realtime priority. I have tried
> to
> > do it with prefix the whole thing with "chrt -r -p 99" but I get:
> >
> > GThread-ERROR **: file
> /build/buildd/glib2.0-2.24.1/gthread/gthread-posix.c:
> > line 348 (g_thread_create_posix_impl): error 'Invalid argument' during
> > 'pthread_attr_setschedparam (&attr, &sched)'
> >
>
> Use the examples inside the gstreamer source code directory. Thread rt pull
>
> Michael Trimarchi
>
> > Doing a chrt by pid afterwards has no effect at all. This is my pipeline,
> > and it's clear that it has problems when cpu load goes up - and I'd like
> to
> > avoid that. I've seen something about realtime priorities when it comes
> to
> > using the API - but is there a way to do it when using gst-launch?
> >
> > Thanks in advance,
> > /Mathias
> >
> > /usr/local/bin/gst-launch-0.10 -v
> > --gst-plugin-path=/usr/local/lib/gstreamer-0.10 \
> >     v4l2src \
> >     ! videorate \
> >     ! video/x-raw-yuv,width=320,height=240,framerate=15/1 \
> >     ! ffmpegcolorspace \
> >     ! x264enc bitrate=152 subme=4 b-pyramid=true weightb=true \
> >     ! queue2 \
> >     ! flvmux name=mux \
> >     alsasrc device=hw:0,0 \
> >     ! audio/x-raw-int,rate=22050,channels=2,depth=16 \
> >     ! audiorate \
> >     ! queue2 max-size-buffers=600 max-size-bytes=0 max-size-time=0 \
> >     ! audioconvert \
> >     ! lamemp3enc target=1 bitrate=40 mono=true encoding-engine-quality=1
> > target=bitrate \
> >     ! mux. mux. \
> >     ! queue2 \
> >     ! filesink location=outfile.flv sync=false
> >
> >
> >
> >
> > _______________________________________________
> > gstreamer-devel mailing list
> > gstreamer-devel at lists.freedesktop.org
> > http://lists.freedesktop.org/mailman/listinfo/gstreamer-devel
>
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