SDL_GetAudioDeviceChannelMap - Man Page

#include <SDL3/SDL_audio.h>

int * SDL_GetAudioDeviceChannelMap(SDL_AudioDeviceID devid, int *count);

Channel maps are optional; most things do not need them, instead passing data in the [order that SDL expects](CategoryAudio#channel-layouts).

Audio devices usually have no remapping applied. This is represented by returning NULL, and does not signify an error.

devid

the instance ID of the device to query.

count

On output, set to number of channels in the map. Can be NULL.

when it is no longer needed.

It is safe to call this function from any thread.

This function is available since SDL 3.2.0.

SDL_SetAudioStreamInputChannelMap(3)