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SDL_GetCameraSupportedFormats() follows the SDL_GetStringRule

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Also changed the function to return an array of pointers and added example usage to testcamera
This commit is contained in:
Sam Lantinga
2024-07-18 09:44:06 -07:00
parent 637e9700dd
commit 0fe6603747
4 changed files with 37 additions and 18 deletions
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18
src/camera/SDL_camera.c
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@@ -734,7 +734,7 @@ SDL_CameraID *SDL_GetCameras(int *count)
return retval;
}
SDL_CameraSpec *SDL_GetCameraSupportedFormats(SDL_CameraID instance_id, int *count)
const SDL_CameraSpec * const *SDL_GetCameraSupportedFormats(SDL_CameraID instance_id, int *count)
{
if (count) {
*count = 0;
@@ -745,17 +745,25 @@ SDL_CameraSpec *SDL_GetCameraSupportedFormats(SDL_CameraID instance_id, int *cou
return NULL;
}
SDL_CameraSpec *retval = (SDL_CameraSpec *) SDL_calloc(device->num_specs + 1, sizeof (SDL_CameraSpec));
int i;
int num_specs = device->num_specs;
const SDL_CameraSpec **retval = (const SDL_CameraSpec **) SDL_malloc(((num_specs + 1) * sizeof(SDL_CameraSpec *)) + (num_specs * sizeof (SDL_CameraSpec)));
if (retval) {
SDL_memcpy(retval, device->all_specs, sizeof (SDL_CameraSpec) * device->num_specs);
SDL_CameraSpec *specs = (SDL_CameraSpec *)((Uint8 *)retval + ((num_specs + 1) * sizeof(SDL_CameraSpec *)));
SDL_memcpy(specs, device->all_specs, sizeof (SDL_CameraSpec) * num_specs);
for (i = 0; i < num_specs; ++i) {
retval[i] = specs++;
}
retval[i] = NULL;
if (count) {
*count = device->num_specs;
*count = num_specs;
}
}
ReleaseCamera(device);
return retval;
return SDL_FreeLater(retval);
}