Provided by: libsdl3-doc_3.2.20+ds-2_all 

NAME
SDL_HINT_AUDIO_ALSA_DEFAULT_DEVICE - Specify the default ALSA audio device name.
SYNOPSIS
#include <SDL3/SDL_hints.h>
#define SDL_HINT_AUDIO_ALSA_DEFAULT_DEVICE "SDL_AUDIO_ALSA_DEFAULT_DEVICE"
DESCRIPTION
This variable is a specific audio device to open when the "default" audio device is used.
This hint will be ignored when opening the default playback device if
SDL_HINT_AUDIO_ALSA_DEFAULT_PLAYBACK_DEVICE is set, or when opening the default recording device if
SDL_HINT_AUDIO_ALSA_DEFAULT_RECORDING_DEVICE is set.
This hint should be set before an audio device is opened.
AVAILABILITY
This hint is available since SDL 3.2.0.
SEE ALSO
SDL_HINT_AUDIO_ALSA_DEFAULT_PLAYBACK_DEVICE(3), SDL_HINT_AUDIO_ALSA_DEFAULT_RECORDING_DEVICE(3)
Simple Directmedia Layer SDL 3.2.20 SDL_HINT_AUDIO_ALSA_DEFAULT_DEVICE(3)