rsmsx sdlfy

 * https://stackoverflow.com/questions/74776801/rustsdl2-how-to-store-a-texture-in-a-struct

texture를 struct 에 저장 불가능 한 듯?

* 일단 texture 를 저장하지 않는다

* install sdl3 on debian 12

Building SDL on UNIX

https://github.com/libsdl-org/SDL/blob/main/docs/README-cmake.md

https://github.com/libsdl-org/SDL/blob/main/docs/README-linux.md

* error while loading shared libraries: libSDL3.so.0: cannot open shared object file: No such file or directory

* Add a file /etc/ld.so.conf.d/local.conf that contains one line:

/usr/local/lib 

* sudo ldconfig 

https://stackoverflow.com/questions/69061258/permanent-fix-for-export-ld-library-path-usr-local-libld-library-path

USB DAC troubleshooting

 * could not play until 30% volume

https://wiki.archlinux.org/title/PipeWire

No sound from USB DAC until 30% volume

* restarting pipewire

systemctl --user restart pipewire

* dac drop connection(symptom)

pipewire[1920]: spa.alsa: front:3: snd_pcm_drop No such device