SDL_GetCameraPermissionState3
Query if camera access has been approved by the user.
Usage
#include "SDL3/SDL.h"
int SDL_GetCameraPermissionState(SDL_Camera *camera);
Header file
Defined in SDL3/SDL_camera.h
Overview
Cameras will not function between when the device is opened by the app and when the user permits access to the hardware. On some platforms, this presents as a popup dialog where the user has to explicitly approve access; on others the approval might be implicit and not alert the user at all.
This function can be used to check the status of that approval. It will return 0 if still waiting for user response, 1 if the camera is approved for use, and -1 if the user denied access.
Instead of polling with this function, you can wait for a
SDL_EVENT_CAMERA_DEVICE_APPROVED
(or
SDL_EVENT_CAMERA_DEVICE_DENIED ) event in the standard SDL event loop, which is guaranteed to be sent once when permission to use the camera is decided.
If a camera is declined, there's nothing to be done but call
SDL_CloseCamera () to dispose of it.
Function parameters
- camera
-
the opened camera device to query.
Return value
Returns -1 if user denied access to the camera, 1 if user approved access, 0 if no decision has been made yet.
Thread safety
It is safe to call this function from any thread.