Realtime priority

[Michael Trimarchi]

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Hi

On 02/23/2011 09:02 AM, Mathias Gyllengahm wrote:
> So... it's not possible with realtime priority when using gst-launch today?
> Is that the conclusion?

no, this is not. You can use schedtool and call for each pids of the application threads or write
a little application that do the same using the gst_parse_launch

Michael

> /Mathias
> 
> 2011/2/22 Mathias Gyllengahm <lunarshuttle at gmail.com>
> 
>> 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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>>
>>
> 
> 
> 
> _______________________________________________
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> gstreamer-devel at lists.freedesktop.org
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