Unable to Capture 24MP Photos

Question

Created Jan ’25

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Hello, I'm wondering how to capture 24MP photos.

I'm currently testing on an iPhone 16 Pro Max. By default, the device's activeFormat supports 24MP (photo dimensions: {4032x3024, 5712x4284}). For the photoOutput, I'm setting the maxPhotoDimensions to videoDevice.activeFormat.supportedMaxPhotoDimensions.lastObject, and setting MaxPhotoQualityPrioritization to quality.

When capturing, I'm applying the same maxPhotoDimensions and photoQualityPrioritization settings from the photoOutput directly to the AVCapturePhotoSettings. What could be the issue?

// Objective-C

// setup
[self.photoOutput setMaxPhotoQualityPrioritization:AVCapturePhotoQualityPrioritizationQuality];
CMVideoDimensions maxPhotoDimensions = [(NSValue *)videoDevice.activeFormat.supportedMaxPhotoDimensions.lastObject CMVideoDimensionsValue];
                    [self.photoOutput setMaxPhotoDimensions:maxPhotoDimensions];

// capturing
AVCapturePhotoSettings *photoSettings = [AVCapturePhotoSettings photoSettings];
photoSettings.maxPhotoDimensions = self.photoOutput.maxPhotoDimensions;
photoSettings.photoQualityPrioritization = self.photoOutput.maxPhotoQualityPrioritization;

[self.photoOutput capturePhotoWithSettings:photoSettings delegate:photoCaptureDelegate];
...

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Answer 1

alexfoxdev OP

Mar ’25

Did you ever manage to get this working? I'm also hunting for the solution when capturing ProRAW images.

0

Answer 2

Luke_Moon OP

1w

https://developer.apple.com/forums/thread/771705 Based on this information, it seems that delay processing is required to save the photo at a resolution of 24MP.

0