Specify the default ALSA audio recording device name.
This variable is a specific audio device to open for recording, when the "default" audio device is used.
If this hint isn't set, SDL will check SDL_HINT_AUDIO_ALSA_DEFAULT_DEVICE before choosing a reasonable default.
This hint should be set before an audio device is opened.
SDL_HINT_AUDIO_ALSA_DEFAULT_PLAYBACK_DEVICE SDL_HINT_AUDIO_ALSA_DEFAULT_DEVICE
See Source File
Specify the default ALSA audio recording device name.
This variable is a specific audio device to open for recording, when the "default" audio device is used.
If this hint isn't set, SDL will check SDL_HINT_AUDIO_ALSA_DEFAULT_DEVICE before choosing a reasonable default.
This hint should be set before an audio device is opened.