In my app I get a UIImage for a PHAsset via PHImageManager.requestImage(for:targetSize:contentMode:options:resultHandler:). I directly display that image in a UIImageView that has preferredImageDynamicRange set to .high. The problem is I do not see the high dynamic range. I see the HDRDemo23 sample code uses PhotosPicker to get a UIImage from Data through UIImageReader whose config enables prefersHighDynamicRange. Is there a way to support HDR when using the Photos APIs to request display images? And is there support for PHLivePhoto displayed in PHLivePhotoView retrieved via PHImageManager.requestLivePhoto?

Hello, I am building contact form that allows to attach screenshots and screen recordings. The PhotosPicker part is relatively straightforward but I am not sure how to properly import the selected items. The binding is of type [PhotosPickerItem] which requires (at least for my current implementation) to first know if the item is image or video. I have this not so pretty code to detect if the item is video: let isVideo = item.supportedContentTypes.first(where: { $0.conforms(to: .video) }) != nil || item.supportedContentTypes.contains(.mpeg4Movie) Which for screen recordings seems to work only because I ask about .mpeg4Movie and then I have this struct: struct ScreenRecording: Transferable { let url: URL static var transferRepresentation: some TransferRepresentation { FileRepresentation(contentType: .mpeg4Movie) { video in SentTransferredFile(video.url) } importing: { received in let copy = URL.temporaryDirectory.appending(path: "\(UUID().uuidString).mp4") try FileManager.default.copyItem(at: received.file, to: copy) return Self.init(url: copy) } } } Notice here I have just the .mpeg4Movie content type, I couldn't get it to work with more generic ones like movie and I am afraid this implementation could soon break if the screen recordings change video format/codec. And finally my logic to load the item: if isVideo { if let movie = try? await item.loadTransferable(type: ScreenRecording.self) { viewModel.addVideoAttachment(movie) } } else { if let data = try? await item.loadTransferable(type: Data.self) { if let uiImage = UIImage(data: data) { viewModel.addScreenshotAttachment(uiImage) } } } I would like to make this more "future proof" and less error prone - particularly the screen recordings part. I don't even need the UIImage since I am saving the attachments as files, I just need to know if the attachment is screenshot or video and get its URL. Thanks!

I'm working with Apple's sample code for PhotoBrowse. In the main view controller's viewDidLoad() method we have this code: let allPhotosOptions = PHFetchOptions() allPhotosOptions.sortDescriptors = [NSSortDescriptor(key: "creationDate", ascending: true)] This code sorts the photos by "creationDate". How do I determine/find the other valid values for these sort descriptors? For example, what if I wanted to sort photos by their file size, last modified date, etc.? TIA!

I know that I can uniquely identify a PHAsset on a given device using localIdentifier but if that asset is synched (through iCloud, say) to another device, how to I uniquely identify that asset across multiple devices? My app allows users to store their images in the standard photo gallery, but I have no way of referring to them when they sync their app profile to another iOS device with my app installed.

It is 2023 and Photos.app still provides no way to sort photos/movies by file size. I ended up writing some AppleScript that displays the file sizes of images/movies in a specific album. It is also simple to create a shell script to examine the photo library contents directly but mapping the UUID-based filenames back to the names used in Photos.app is not straightforward (to me at least). You can't even create a smart album based upon file size. Why is there no native support for this in Photos.app/PhotoKit? (And, yes, I have submitted many feature requests over the years)

Hello, is it possible to reference a photo from the photo picker (either UIKit or SwiftUI), such that I do not need to copy it somewhere else? Currently, I am storing the copy in CoreData in a field with external storage, but it did cross my mind that I don't actually need a copy in my own storage if I could point back to the photo library. If the user deleted the photo from the library that would be fine.

The documentation for this API mentions: The system uses the current representation and avoids transcoding, if possible. What are the scenarios in which transcoding takes place? The reason for asking is that we've had a user reaching out saying they selected a video file from their Photos app, which resulted in a decrease in size from ~110MB to 35MB. We find it unlikely it's transcoding-related, but we want to gain more insights into the possible scenarios.

I would like to use a third-party app to edit the metadata of a photo to change its Caption and then be able to search in the Photos app to find that image with the edited caption. I have managed to do this by duplicating the photo with the edited metadata. The Photos app recognizes it as a new photo and indexes it with the new caption, making it searchable. However, when editing the photo in-place, the Photos app will not re-index the photo, therefore it will not be searchable. Is there a way to edit photos in-place and have them searchable with the new metadata?

Hello! After recent talk on the WWDC2023 about HDR support and finding this documentation page on Applying Apple HDR effect on photos, I became very interested in the HDR Gain Map format. From documentation page it is clear how we can restore original HDR from SDR and Gain Map representation, but my question is - how from HDR we can convert back to the SDR + Gain Map representation? As I understand right know, conversion from HDR to SDR + Gain Map includes two steps: Tone mapping of HDR for getting correct SDR When we have both HDR and SDR, from equation in the documentation page we can calculate Gain Map Am I correct? If so, what tone mapping algorithm for HDR -> SDR conversion is used right know? Can't find any information about this in the internet:( Would be very grateful for your response!

My iPhone produces corrupted images under certain conditions. If I shoot same scene (with slightly varying angle) in same lightning conditions, I almost all the time receive corrupted photo, which contains magenta copy of image and green rectangle. If I add some other objects to the scene, thus changing overall brightness of the scene, chance of bug reduces significantly. Device info: iPhone 14 Pro Max (iOS 17 RC), iPhone 14 Pro (iOS 17 beta 6) Images with issue: f/1.664, 1/25s, ISO 500, digitalZoom=1.205, brightness=-0.568 f/1.664, 1/25s, ISO 500, digitalZoom=1.205, brightness=-0.514 f/1.664, 1/25s, ISO 640, digitalZoom=1.205, brightness=-0.641 f/1.664, 1/25s, ISO 500, digitalZoom=1.205, brightness=-0.448 f/1.664, 1/25s, ISO 500, digitalZoom=1.205, brightness=-0.132 Images without issue: f/1.664, 1/25s, ISO 500, digitalZoom=1.205, brightness=-0.456 f/1.664, 1/20s, ISO 640, digitalZoom=1.205, brightness=-1.666 f/1.664, 1/100s, ISO 50, digitalZoom=1.205, brightness=4.840 f/1.664, 1/25s, ISO 640, digitalZoom=1.205, brightness=-0.774 I'm using builtInWideAngleCamera with continuousAutoExposure, continuousAutoFocus and slight videoZoomFactor func photoOutput(_ output: AVCapturePhotoOutput, didFinishProcessingPhoto photo: AVCapturePhoto, error: Error?) { if let error = error { capturePhotoCallback?(.failure(.internalError(error.localizedDescription))) return } guard let data = photo.fileDataRepresentation() else { capturePhotoCallback?(.failure(.internalError("Can not get data representation."))) return } guard let image = UIImage(data: data) else { capturePhotoCallback?(.failure(.internalError("Can not get image from data representation."))) return } capturePhotoCallback?(.success(image)) }

Unhandled error (NSCocoaErrorDomain, 134093) occurred during faulting and was thrown: Error Domain=NSCocoaErrorDomain Code=134093 "(null)" Fatal Exception: NSInternalInconsistencyException 0 CoreFoundation 0xed5e0 __exceptionPreprocess 1 libobjc.A.dylib 0x2bc00 objc_exception_throw 2 CoreData 0x129c8 _PFFaultHandlerLookupRow 3 CoreData 0x11d60 _PF_FulfillDeferredFault 4 CoreData 0x11c58 _pvfk_header 5 CoreData 0x98e64 _sharedIMPL_pvfk_core_c 6 PhotoLibraryServices 0x6d8b0 -[PLInternalResource orientation] 7 PhotoLibraryServices 0x6d7bc -[PLInternalResource orientedWidth] 8 Photos 0x147e74 ___presentFullResourceAtIndex_block_invoke 9 PhotoLibraryServices 0x174ee4 __53-[PLManagedObjectContext _directPerformBlockAndWait:]_block_invoke 10 CoreData 0x208ec developerSubmittedBlockToNSManagedObjectContextPerform 11 libdispatch.dylib 0x4300 _dispatch_client_callout 12 libdispatch.dylib 0x136b4 _dispatch_lane_barrier_sync_invoke_and_complete 13 CoreData 0x207f8 -[NSManagedObjectContext performBlockAndWait:] 14 PhotoLibraryServices 0x174e98 -[PLManagedObjectContext _directPerformBlockAndWait:] 15 PhotoLibraryServices 0x1738c8 -[PLManagedObjectContext performBlockAndWait:] 16 Photos 0x147d30 _presentFullResourceAtIndex 17 Photos 0x1476bc PHChooserListContinueEnumerating 18 Photos 0x1445e0 -[PHImageResourceChooser presentNextQualifyingResource] 19 Photos 0x2ea74 -[PHImageRequest startRequest] 20 Photos 0x3f2c0 -[PHMediaRequestContext _registerAndStartRequests:] 21 Photos 0x3e484 -[PHMediaRequestContext start] 22 Photos 0x1f0710 -[PHImageManager runRequestWithContext:] 23 Photos 0x1efdb0 -[PHImageManager requestImageDataAndOrientationForAsset:options:resultHandler:] 24 TeraBox 0x2497f0c closure #1 in LocalPhotoLibManager.getDataFrom(_:_:) + 549 (LocalPhotoLibManager.swift:549) 25 TeraBox 0x1835fc4 thunk for @escaping @callee_guaranteed () -> () (<compiler-generated>) 26 TeraBox 0x1cb1288 +[DuboxOCException tryOC:catchException:] + 18 (DuboxOCException.m:18) 27 TeraBox 0x249b4d4 specialized LocalPhotoLibManager.convert(with:_:) + 548 (LocalPhotoLibManager.swift:548) 28 TeraBox 0x2493b24 closure #1 in closure #1 in closure #1 in LocalPhotoLibManager.scanAlbumUpdateLocalphotoTable(_:) + 173 (LocalPhotoLibManager.swift:173) 29 TeraBox 0x1835fc4 thunk for @escaping @callee_guaranteed () -> () (<compiler-generated>) 30 libdispatch.dylib 0x26a8 _dispatch_call_block_and_release 31 libdispatch.dylib 0x4300 _dispatch_client_callout 32 libdispatch.dylib 0x744c _dispatch_queue_override_invoke 33 libdispatch.dylib 0x15be4 _dispatch_root_queue_drain 34 libdispatch.dylib 0x163ec _dispatch_worker_thread2 35 libsystem_pthread.dylib 0x1928 _pthread_wqthread 36 libsystem_pthread.dylib 0x1a04 start_wqthread

HEIF Decompression Crash on iOS 17.

We have received a lot of user feedback, saying that our app caused the video in the user's system album to not play, we did reproduce this phenomenon after operating some modules of our app many times, after monitoring the device log, click on the system album z probably received the following abnormal error VideoContentProvider received result:<AVPlayerItem: 0x281004850, asset = <AVURLAsset: 0x28128fce0, URL = file:///var/mobile/Media/DCIM/100APPLE/IMG_0085.MP4>>, info:{ PHImageResultRequestIDKey = 316; }, priority:oneup automatic, strategy:<PXDisplayAssetVideoContentDeliveryStrategy: 0x2836c3000>quality: medium+(med-high), segment:{ nan - nans }, streaming:YES, network:YES, audio:YES, targetSize:{1280, 1280}, displayAsset:8E30C461-B089-4142-82D9-3A8CFF3B5DE9 <PUBrowsingVideoPlayer: 0xc46a59770> Asset : <PHAsset: 0xc48f5fc50> 8E30C461-B089-4142-82D9-3A8CFF3B5DE9/L0/001 mediaType=2/524288, sourceType=1, (828x1792), creationDate=2023-07-19 上午7:36:41 +0000, location=0, hidden=0, favorite=0, adjusted=0 VideoSession : <PXVideoSession 0xc48a1ec50> { Content Provider: <PXPhotoKitVideoContentProvider: 0x282d441e0>, Asset <PHAsset: 0xc48f5fc50> 8E30C461-B089-4142-82D9-3A8CFF3B5DE9/L0/001 mediaType=2/524288, sourceType=1, (828x1792), creationDate=2023-07-19 上午7:36:41 +0000, location=0, hidden=0, favorite=0, adjusted=0 , Media Provider: <PUPhotoKitMediaProvider: 0x28104da70> Desired Play State: Paused Play State: Paused Stalled: 0 At Beginning: 1 End: 0 Playback: ‖ Paus √ b0 a0 s0 l1 f0 e0 r0.0 0.000/60.128 VideoOutput: (null) Got First Pixel Buffer: NO Pixel Buffer Frame Drops: 0 Buffering: 0 }: Starting disabling of video loading for reason: OutOfFocus <PUBrowsingVideoPlayer: 0xc46de66e0> Asset : <PHAsset: 0xc48f5f1d0> 11ECA95E-0B79-4C7C-97C6-5958EE139BAB/L0/001 mediaType=2/0, sourceType=1, (1080x1920), creationDate=2023-09-21 上午7:54:46 +0000, location=1, hidden=0, favorite=0, adjusted=0 VideoSession : (null): Starting disabling of video loading for reason: OutOfFocus I think this message is imporant VideoSession : (null): Starting disabling of video loading for reason: OutOfFocus restart the iPhone can resolve this anomalous ，can you know reason or how to avoid this bug the bug like ：https://discussionschinese.apple.com/thread/254766045 https://discussionschinese.apple.com/thread/254787836

I am trying to display HDR Images (ProRAW) within UIImageView using preferredImageDynamicRange. This was shown in a 2023 WWDC Video let imageView = UIImageView() if #available(iOS 17.0, *) { self.imageView.preferredImageDynamicRange = UIImage.DynamicRange.high } self.imageView.clipsToBounds = true self.imageView.isMultipleTouchEnabled = true self.imageView.contentMode = .scaleAspectFit self.photoScrollView.addSubview(self.imageView) I pull the image from PHImageManager: let options = PHImageRequestOptions() options.deliveryMode = .highQualityFormat options.isNetworkAccessAllowed = true PHImageManager.default().requestImage(for: asset, targetSize: self.targetSize(), contentMode: .aspectFit, options: options, resultHandler: { image, info in guard let image = image else { return } DispatchQueue.main.async { self.imageView.image =image if #available(iOS 17.0, *) { self.imageView.preferredImageDynamicRange = UIImage.DynamicRange.high } } } Issue The image shows successfully, yet not in HDR mode (no bright specular highlights, as seen when the same image ((ProRAW) is pulled on the native camera app. What am I missing here?

struct ContentView: View { @State var listOfImages: [String] = ["One", "Two", "Three", "Four"] @State var counter = 0 var body: some View { VStack { Button(action: { counter += 1 }, label: { Text("Next Image") }) } .background(Image(listOfImages[counter])) .padding() } } When I click on the button, counter increases and the next image is displayed as the background. The memory usage of the app increases as each image changes. Is there anyway to maintain a steady memory use?

The latest iPhone 15 Pro models support additional focal lengths on the main 24mm (1x) lens: 28mm ("1.2x") and 35mm ("1.5x"). These are supposed to use data from the full sensor to achieve optical quality images (i.e. no upscaling), so I would expect these new focal lengths to appear in the secondaryNativeResolutionZoomFactors array, just like the 2x option does. However, the activeFormat.secondaryNativeResolutionZoomFactors property still only reports [2.0] when using the main 1x lens. Is this an oversight, or is there something special (other than setting the zoom factor) we need to do to access the high-quality 28mm and 35mm modes? I'm wary of simply setting 1.2 or 1.5 as the zoom factor, as that isn't truly the ratio between the base 24mm and the virtual focal lengths.

With AVFoundation, how do you set up the new 24MP capture on new iPhone 15 models? I strongly believed it was in videodevice.activeFormat.supportedMaxPhotoDimensions array, but not.

I am trying to locate information or documentation on how to pull in photos from the iCloud Shared Albums, but have not been able to find anything yet. Dakboard is currently doing it so I know it is possible, but I cannot find an API or any documentation covering how to access the photos in a Shared Album for incorporation into web applications. Can anyone help?

hii developers currently i developing a ios camera app in that camera app i need to add features like photographic styles in ios 13 i need only that page view not filters this is my big problem..i used uipageviewcontroller and swipe gesture if i use page in background main camera view func also run, i used one button if i press the button i need views like photographic styles view just view this is my problem i can't do that so please if anyone can read this comment please and solve ..thanks in advance