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+--- Thread: Isolate FFMPEG on a dedicated CPU (/showthread.php?tid=5500)
RE: Isolate FFMPEG on a dedicated CPU - lafuente - 13-01-2020 14:29
From my notes, this is how I install minim :
wget http://jminim.com/brac/MinimServer-0.8.5.2-linux-intel.tar.gz
tar -xvf MinimServer-0.8.5.2-linux-intel.tar.gz
cd minimserver/bin/
./setup
./startc
exit
./startd
So yes, I use setup
RE: Isolate FFMPEG on a dedicated CPU - lafuente - 13-01-2020 14:38
I uninstall minim and install it again, using ./setup.
there is no minim.service file in /usr/lib/systemd/system/
The correct path on Debian 10 seem to be :
/run/systemd/generator.late/minimserver.service
But in fact this file is created at each boot and modify it don't remain between..
RE: Isolate FFMPEG on a dedicated CPU - lafuente - 13-01-2020 14:48
What can be cool is the possibility to input this string in ffmpeg location :
taskset -cp 3 /usr/bin/ffmpeg
rather than
/usr/bin/ffmpeg
Anyway, thank Simon for your support
RE: Isolate FFMPEG on a dedicated CPU - simoncn - 13-01-2020 15:29
You could create a script (also named ffmpeg) that does this (passing all the script arguments to /usr/bin/ffmpeg), then put the full path to your script in the stream.converter property.
RE: Isolate FFMPEG on a dedicated CPU - lafuente - 13-01-2020 16:06
Thank, but this is far beyond my current knowledge.
RE: Isolate FFMPEG on a dedicated CPU - lafuente - 13-01-2020 17:21
I create this script :
Code:
#!/bin/bash
taskset -cp 3 /usr/bin/ffmpeg $@But when I try to enter :
/home/ffmpeg
In Mininserver stream.converter property, when I click Apply button i get an error :
converter not installed; correct highlighted value and retry.
RE: Isolate FFMPEG on a dedicated CPU - simoncn - 13-01-2020 17:52
You need -c instead of -cp and "$@" instead of $@.
RE: Isolate FFMPEG on a dedicated CPU - lafuente - 13-01-2020 18:11
-cp is more immediate than -p and ran too ;-)
But even with the mods you indicate, the result is the same at Minimserver properties settings... Converter not installed
I also tried to move the script to
~/minimsever/opt/bin
and just input "ffmpeg" to stream.converter property, but system ran the ffmpeg in is path (/usr/bin/ffmpeg).
Did you tried the trick ?
RE: Isolate FFMPEG on a dedicated CPU - lafuente - 13-01-2020 18:49
The real script *may* be :
Code:
#!/bin/bash
taskset 3 /usr/bin/ffmpeg "$@"
exit$@ and "$@" seem to operate the same.
no -p or -cp in the command. -p or -cp is for change the CPU of an existing PID
RE: Isolate FFMPEG on a dedicated CPU - lafuente - 13-01-2020 18:56
But there is 2 running ffmpeg for the same files with this trick.
One behave to Minimserver (PPID = Minimserver PID)
the other behave to the one created per Minimser (PPID = FFMPEG previous PID).
Well, it's late. Have to go. Maybe a good night can light up some lights
Code:
root 3273 477 0 1681 3068 1 18:54 ? 00:00:00 /bin/bash /home/minimserver/opt/bin/ffmpeg -v 0 -analyzeduration 0 -f aiff -request_sample_fmt flt -i /home/manu/musiques/Asaf Avidan
root 3276 3273 3 73315 39556 0 18:54 ? 00:00:00 /usr/bin/ffmpeg -v 0 -analyzeduration 0 -f aiff -request_sample_fmt flt -i /home/manu/musiques/Asaf Avidan/The Study On Falling/01-08