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

NAME
SDL_AudioDeviceEvent - Audio device event structure (event.adevice.*)
SYNOPSIS
#include <SDL3/SDL_events.h>
typedef struct SDL_AudioDeviceEvent
{
SDL_EventType type; /**< SDL_EVENT_AUDIO_DEVICE_ADDED, or SDL_EVENT_AUDIO_DEVICE_REMOVED, or SDL_EVENT_AUDIO_DEVICE_FORMAT_CHANGED */
Uint32 reserved;
Uint64 timestamp; /**< In nanoseconds, populated using SDL_GetTicksNS() */
SDL_AudioDeviceID which; /**< SDL_AudioDeviceID for the device being added or removed or changing */
bool recording; /**< false if a playback device, true if a recording device. */
Uint8 padding1;
Uint8 padding2;
Uint8 padding3;
} SDL_AudioDeviceEvent;
AVAILABILITY
This struct is available since SDL 3.2.0.
Simple Directmedia Layer SDL 3.2.20 SDL_AudioDeviceEvent(3type)