librespot takes 97% CPU, music replay stutters #504
Description
Compatible OS
- I'm running Raspotify on a compatible OS
Latest Version
- I'm running the latest version of Raspotify
Due Diligence
- I have done my due diligence
What happened?
Since a few days music replay is starting to stutter after a few minutes working fine.
/usr/bin/libespot takes up to 97% CPU
Did a check with journalctl, there is an error writing to PCM
ALSA works fine, just testet with aplay as documented in log below
Relevant log output
Jan 23 15:25:21 raspberrypi librespot[459]: [2022-01-23T14:25:21Z WARN librespot_playback::audio_backend::alsa] Error writing from AlsaSink buffer to PCM, trying to recover, ALSA function 'snd_pcm_writei'
Jan 23 15:25:21 raspberrypi librespot[459]: ALSA lib pcm.c:8424:(snd_pcm_recover) underrun occurred
sudo aplay -Dhw:0,0 --dump-hw-params /usr/share/sounds/alsa/Front_Right.wav
Playing WAVE '/usr/share/sounds/alsa/Front_Right.wav' : Signed 16 bit Little Endian, Rate 48000 Hz, Mono
HW Params of device "hw:0,0":
--------------------
ACCESS: MMAP_INTERLEAVED RW_INTERLEAVED
FORMAT: S16_LE
SUBFORMAT: STD
SAMPLE_BITS: 16
FRAME_BITS: [16 32]
CHANNELS: [1 2]
RATE: [32000 48000]
PERIOD_TIME: [1000 8192000]
PERIOD_SIZE: [32 262144]
PERIOD_BYTES: [64 524288]
PERIODS: [2 1024]
BUFFER_TIME: (1333 16384000]
BUFFER_SIZE: [64 524288]
BUFFER_BYTES: [128 1048576]
TICK_TIME: ALL
--------------------