ALSA sound for Zsnes (and other 32-bit games)

[Member blur13]

This is based on the excellent post here

https://www.antixforum.com/forums/topic/alsa-and-32bit-game/

This is a more practical, step by step, guide to implementing the solution.

First you need to collect the required libraries:

sudo apt install caps:i386
sudo apt install libasound2-plugin-equal:i386

create a new folder in home directory called libasound and copy the libraries
mkdir libasound
cd libasound
cp /usr/lib/i386-linux-gnu/alsa-lib/libasound_module_pcm_equal.so .
cp /usr/lib/i386-linux-gnu/alsa-lib/libasound_module_ctl_equal.so .
cp /usr/lib/ladspa/caps.so .

Restore the 64 bit libraries
sudo apt install caps
sudo apt install libasound2-plugin-equal

Need to remove the need for password when using sudo mv

Add
%users ALL=(root) NOPASSWD: /usr/bin/mv

to /etc/sudoers.d/antixers

create file zsnes.sh

#!/bin/bash

sudo mv /etc/asound.conf asound.conf-backup && LD_LIBRARY_PATH=/home/$USER/libasound zsnes && sudo mv asound.conf-backup /etc/asound.conf

Might be best to replace $USER with your actual user name.

chmod 755 zsnes.sh

copy to $PATH

start zsnes by typing zsnes.sh

Or edit the desktop file /usr/share/applications/zsnes.desktop and change the Exec to zsnes.sh
Make sure to refresh the menu.

sudo desktop-menu --write-out-global

Thats it!

This also works with the Loki linux port of Heroes 3, and I assume, all other games where you get the error:

ALSA lib dlmisc.c:287:(snd1_dlobj_cache_get) Cannot open shared library /usr/lib/i386-linux-gnu/alsa-lib/libasound_module_pcm_equal.so ((null): /usr/lib/i386-linux-gnu/alsa-lib/libasound_module_pcm_equal.so: cannot open shared object file: No such file or directory)

In the script change zsnes with the path to the game binary.

[Member PPC]

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Many thanks!!!

[Member marcelocripe]

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Thanks a lot for this tutorial.

[Author]

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