Realtime priority

[Michael Trimarchi]

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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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