MPV not play when Audacious running or in paused state

When audacious playing an audio or when its playback is paused, opened video in a MPV, is stuck on first frame. I can seek, but still does not play. VLC player plays without audio.

And when i quit Audacious, run MPV playback and launch Audacious again, Audacious opens with error:
ALSA error: snd_pcm_open failed: Device or resource busy.

I wish both play at same time or at least when playback in one is paused then other app plays

When i use ā€œMedia Player Classic Qute Theaterā€ or ā€œClementineā€ instead of Audacious, then problem is not there.

pulseaudio details here

5.11.22-2-MANJARO

Desktop: Xfce 4.16.0 tk: Gtk 3.24.24 info: xfce4-panel wm: xfwm4 vt: 7
dm: LightDM 1.30.0 Distro: Manjaro Linux base: Arch Linux

This seems relevant.
https://stackoverflow.com/questions/8168696/alsa-open-a-pcm-device-in-shared-mode


And maybe this.
https://wiki.archlinux.org/title/Advanced_Linux_Sound_Architecture#Dmix

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Yes, alsa behaves like that if hardware or software mixing is not enabledā€¦ So that is a reason for using pulseaudio on top :smiley: I guess your apps use alsa directly and not pulseaudio.

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yes, thank you both, after switching from ALSA to PA in Audacious settings, problem is gone. :heart_eyes:
Do you have idea please how to overcome this similar (sound) issue?

No one?

Today i had following issue with audio. Audacious playing the .flac audio file, i see in its settings the Output plugin is ā€œALSA Outputā€.
But Firefox web browser fails to play the videos. mp4 for example, it is stuck or go one frame when pause/resume, but when i quit Audacious, playback in Firefox automatically begin.

So in Audacious settings i switched to ā€œPulseAudio Outputā€, and simultaneous playback works in both Firefox, Audacious and VLC (both SW using PA atm)