bernid wrote:
> Hi,
> I have problem with squeezelite high cpu usage (96%) after finishing
> planing (eg playlist).
> I use SoA (squeezelite) with Raspberry Pi B+:
> >
Code:
--------------------
> > NAME="-n RPI"
> AUDIO_DEV="-o hw:CARD=ALSA"
> ALSA_PARAMS="-a 120:4::"
> MAX_RATE="-r 192000:"
> UPSAMPLE="-u vI:::28:::"
> DOP="-D 80"
--------------------
> >
> Normal usage of squeezelite with resampling to max 192kHz (with Very
> High Resampling Quality) is about 40-45%CPU usage. After finishing
> playing (where squeezelie should be idle) squeezelite processes take
> 95-99% of CPU usage.
> Strange thing... .
You might be better off posting this on the squeezelite thread, to
compare notes with folk who have a DSD capable DAC, the same version of
libsoxr, and those with version Rpi2.
I don't normally upsample. and my DAC is only 24/96 capable on SPDIF. I
have a Rpi B+/HifDigi+ combo. If I set the params below and upsample
16/44 flac audio files, the only large spikes in CPU loads I see is when
squeezelite first restarts, or for a few seconds at the beginning of a
new audio track. Otherwise the squeezelite load is around 20% as shown
in htop.
Code:
--------------------
root@soa-rpi ~]# cat /etc/squeezelite.conf
# created by soa-web Sun Apr 5 15:26:55 2015
NAME="-n SOAdigi+"
AUDIO_DEV="-o hw:CARD=sndrpihifiberry"
ALSA_PARAMS="-a 80:4::0"
MAX_RATE="-r 96000:"
LOG_FILE="-f /var/log/squeezelite.log"
OPTIONS="-b 8000:30000"
UPSAMPLE="-u vI:::28:::"
--------------------
I have this version of libsoxr
Code:
--------------------
[root@soa-rpi ~]# pacman -Q libsoxr
libsoxr 0.1.1-2
--------------------
IIRC trying to downgrade a package in Arch Linux can be problematic.
Perhaps it's time for you to invest in an Rpi2? Sox processing is
always going to put a strain on a single core RPi.
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