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I am currently trying to embed an Android native view inside a React Native view with a CameraX live preview. However, I am facing a timeout exception issue with CameraX. On iOS, the same ...
Monster Gamming's user avatar
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1 vote
0 answers
23 views

We use a single AVCaptureSession with AVCaptureVideoPreviewLayer and AVCaptureVideoDataOutput (preview-sized buffers, BGRA). When we increase videoZoomFactor, beyond a certain zoom level the image ...
海上琢也's user avatar
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1 vote
1 answer
56 views

I have created an USD file with camera and other object. I also used BasicWriter to write the current image seen from the camera to the disk. It seeem that there is no way to grab the image seen from ...
user3318590's user avatar
  • 103
0 votes
0 answers
28 views

I am working with Three.js and trying to implement predefined camera views (like front, top, side, isometric) for a 3D model. I calculate the bounding box of the model and position the camera based on ...
jayalakshmi.k's user avatar
  • 21
1 vote
0 answers
41 views

Hi there I am currently programming a 2D game with monogame and have a camera class which looks as follows: class Camera { private Matrix transform; private Vector2 centre; private ...
Canox's user avatar
  • 569
0 votes
1 answer
51 views

I have a problem of camera application with flutter in release mode (apk). it is OK in debug mode. I try different solution including using camera library and image_picker library , I have add this ...
Chow Manfield's user avatar
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1 vote
0 answers
133 views

I’m building a Flutter app where the user can take pictures of objects, but I want the capture button to be enabled only when the camera is at a specific distance from the object. I am using the ...
Wanda Maximoff's user avatar
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-1 votes
1 answer
147 views

i am using "cameara" flutter package when i am trying to read all cameras on web-app device (Laptop with multiple camear options) getting this error from camear package: cameraNotReadable, ...
Shoua Ul Qammar's user avatar
  • 243
2 votes
0 answers
64 views

I'm developing a "Python + C++ DLL" application, which calls Windows MediaCapture interface to open and read camera data (in format of NV12 or YUY2) in SharedReadOnly mode. And it must work ...
Tom Xue's user avatar
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0 answers
52 views

I have a Canon Eos R8 using EDSDK on Windows11. If I Open a session and leave it alone for 1 mins I sometimes get a shutdown event triggered. Why does it always call shutdown? I didn't turn off the ...
Tars's user avatar
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3 votes
2 answers
255 views

I'm developing a Flutter app with video recording functionality using the official camera package (version ^0.10.6). The camera preview looks perfect with correct brightness, but when I record and ...
sonic boom's user avatar
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2 votes
1 answer
120 views

My implementation of LockedCameraCapture does not launch my app when tapped from locked screen. But when the same widget is in the Control Center, it launches the app successfully. Standard Xcode ...
Gizmodo's user avatar
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1 vote
0 answers
125 views

So using AVCaptureDevice.DiscoverySession gets you each dedicated camera nowadays. let devices = AVCaptureDevice.DiscoverySession(deviceTypes: [.builtInWideAngleCamera], mediaType: .video, position: ....
Gizmodo's user avatar
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0 votes
0 answers
121 views

Full project link: https://github.com/rdtmaster/camcam Context: I am developing an app that allows the user to choose camera (front/rear), pick a figure (the shape of a circle or rectangle), then open ...
Curious User's user avatar
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0 votes
0 answers
132 views

I'm trying to invert the depth of the camera (multiplying the camera's CFrame by (0,0,0, -1,0,0,0,1,0,0,0,1). To my knowledge, the only way I can implement this is by setting the camera type to ...
max.html's user avatar
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2 votes
0 answers
189 views

Given an HTML5 video element... ‹video id='video' autoplay muted playsinline></video> ..and some JavaScript to set its source to a camera by means of getUserMedia... (async () => { ...
Will's user avatar
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0 votes
0 answers
226 views

I'm trying to enable host camera passthrough in Android Cuttlefish but cannot find any working documentation or implementation. I've tested on multiple setups without success. Setup Details Host ...
Ags's user avatar
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1 vote
0 answers
49 views

In Android I need to play an exoplayer video above the recording camera. I use AndroidView() for camera and VideoPlayer() below it in my Compose method. Currently I see only buttons of the video ...
Psijic's user avatar
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0 votes
0 answers
193 views

I am trying to configure the ov2640 camera using the registers given below. Unfortunately, I am getting 800x600 rather than 640x480. Also, I'd expect 2 bytes per pixel on YUV422 mode but I am getting ...
Mart's user avatar
  • 542
0 votes
0 answers
53 views

So I want to run the stepper motor a little but faster and always have the camera running. Basically, to have this system be more efficient. It runs for a few seconds, camera turns on then turns off, ...
Irvin Watson's user avatar
  • 1
0 votes
1 answer
50 views

I can save a photo from camera intent to Mediastore Public Picture Directory, but the photo cannot be read back by the app. private bool DoPhoto(int KeepAsking) { Intent intent = new Intent(...
olivier Goossens Bara's user avatar
  • 110
1 vote
2 answers
190 views

I have the ov7670 and I'm configuring it to read an arucomarker in pure black / white. To do so, I'm having the ov7670 in YUYV mode and I'm only reading the Y bytes' first bit. A 1 indicates white, a ...
Mart's user avatar
  • 542
0 votes
0 answers
85 views

I have an OV7670 camera which I have set to mode YUV. Using only the Y bytes, I'd like to have black and white images to detect an aruco marker. The uc that I am using, an nrf9161 is low on memory and ...
Mart's user avatar
  • 542
1 vote
1 answer
196 views

In RealityKit we don't have a convenient SCNLookatConstraint as we do in SceneKit. I'm trying to determine the "best" or most efficient way to achieve this in a game where there is a full ...
PKCLsoft's user avatar
  • 1,533
3 votes
1 answer
449 views

I'm really struggling to get the camera to behave even remotely as expected in a RealityKit app (where I have set RealityViewCameraContent.camera to .virtual). I have a programmatically generated ...
PKCLsoft's user avatar
  • 1,533
1 vote
0 answers
64 views

I am having a strange issue where a single phone (Redmi Note 11 5G) has a flipped UV buffer on the front camera when I take an image. This causes the skin color to turn blue Currently I obtain the ...
Jonathan's user avatar
  • 11
3 votes
1 answer
78 views

I'm running into a problem converting raw rgb565 into rgb888. I'm getting psychedelic looking images: I followed the advice from this forum post, but I have not been able to fix the problem. Has ...
Jan van der Kuyl's user avatar
  • 57
1 vote
1 answer
425 views

My iOS application uses the camera and some users are experiencing a blank screen because the camera fails to start with the error videoDeviceNotAvailableWithMultipleForegroundApps I initially ...
BenCLT's user avatar
  • 21
0 votes
0 answers
51 views

My question is not a duplicate of AVCaptureDevice's exposureDuration and iso not honored by AVCapturePhotoOutput. In my example, I capture RAW Bayer image and per Apple's own documentation "...
martin's user avatar
  • 125
1 vote
0 answers
67 views

I'm using the react-native-camera-kit library to implement a photo-taking feature in my React Native app. However, when the camera screen opens, it uses the wide-angle lens by default instead of the ...
Jisun Park's user avatar
  • 11
1 vote
1 answer
78 views

I want to use only square crop of the image from sensor, therefore I want to have square preview in UI, other UI elements are supposed to be placed outside of preview. UI is built using jetpack ...
Shmozart's user avatar
  • 46
0 votes
0 answers
43 views

I recently upgraded from libjpeg-turbo 1.5.0 to 3.0.2 and attempted to integrate libturbojpeg.so into an Android Studio project using ndk-build. However, the build process fails during ndkClean or ndk-...
Atul Singh's user avatar
  • 1
1 vote
1 answer
131 views

For some reason I'm testing this code on android and I can't figure out why it says "Please grant Photo access permission to select images" immediately after I grant access to the gallery. I'...
frontendLearner's user avatar
  • 57
2 votes
1 answer
202 views

I'm working on a custom camera implementation for iOS using AVCaptureSession and AVCaptureDevice. I know how to handle zoom in and zoom out, and how to switch between cameras (wide, ultra wide, etc.). ...
Lucas Buchalla Sesti's user avatar
  • 538
0 votes
0 answers
43 views

I’m building a PPG-based heart rate feature where the user places their finger over the rear telephoto camera. On iPhone 16 Pro Max, I'm explicitly selecting the telephoto lens like this: videoDevice =...
gal's user avatar
  • 171
1 vote
0 answers
93 views

Good day everyone, I'm working on a Next.js project where I need to allow users to upload images using their device's camera. Here's the relevant snippet: import { Loader2, Camera } from "lucide-...
Micode's user avatar
  • 292
0 votes
0 answers
102 views

I'm wondering if it's possible to record a video (using expo-camera or any other package) and record a system sound (sounds from other apps)? As far as I know, there is no ready-to-use package for ...
entithat's user avatar
  • 343
0 votes
0 answers
49 views

I'm working on a Flutter app where I need to implement a document scanner feature. The requirements are: When the camera opens, there should be an overlay (for example, a rectangular frame) displayed ...
zilon co's user avatar
  • 21
0 votes
0 answers
50 views

I'm using a socket to retrieve image data from a camera. This works properly, if the camera is continuously sending data. But, when the camera is in manual trigger mode and we wait for a while (maybe ...
0b1001001's user avatar
  • 1
0 votes
1 answer
431 views

My mobile app uses a wide variety of hardware features, but for some reason, checking the permissions for the camera causes regular crashes, and I can't figure out why. I have the following check for ...
BeRo's user avatar
  • 194
-2 votes
1 answer
686 views

I have a website that uses navigator.mediaDevices.getUserMedia to access the device's webcam. Still, I noticed that some users are using a virtual camera (like OBS Virtual Camera) and injecting images ...
Izabella Melo's user avatar
  • 310
0 votes
0 answers
39 views

Vuforia support for Split View on iOS: I have developed an AR application for iOS using Unity 2020.3.33f1 and Vuforia 10.8.9. In Split View, the camera gets paused. Is this because Vuforia doesn't ...
Oviya's user avatar
  • 1
1 vote
1 answer
222 views

I tried to do this in order to make the camera works with the autofocus because I noticed that when I scan Barcodes when there is less environment light, the camera can't autofocus the barcode so I ...
DigioMatthy's user avatar
  • 162
1 vote
0 answers
237 views

I have been using camera API for an iOS application which launches the camera and captures the image. So user of my app has reported the issue that they are not able to capture the images sometimes ...
user_8275's user avatar
  • 289
1 vote
0 answers
54 views

I have a Windows 10 hybrid laptop/tablet that has a rear camera with flash. I want to control the flashlight from an Electron app. You can verify the availability of the flashlight with this ...
saied's user avatar
  • 35
1 vote
0 answers
50 views

For now, I'm developing front and back camera simultaneous recording and I found this code. I added some code snippet. You can take a look the full code in this url (https://github.com/Lax/Learn-iOS-...
Brave Rabbit's user avatar
  • 11
0 votes
1 answer
352 views

I've been trying to train a custom detector model for a LimeLight3A through the Google Colab notebook they provided. I successfully trained one on April 4th, but since then any of my attempts at ...
AstarHolt's user avatar
  • 1
0 votes
2 answers
70 views

I'm building a Flutter app that uses the camera plugin to capture photos, and I've locked the app orientation using: SystemChrome.setPreferredOrientations([ DeviceOrientation.portraitUp, ...
minato's user avatar
  • 2,390
1 vote
0 answers
242 views

I'm trying to add a watermark text to a video while recording using CameraX's OverlayEffect API. Initially, I considered using FFmpeg for this, but: Significantly increases the app size. Requires ...
Vladislav's user avatar
  • 11
0 votes
1 answer
36 views

I am trying to add a 3D hotbar to my Minecraft clone at GitHub So I have added a 2nd camera as SubViewportContainer → SubViewPort → hotbar.tscn → HotbarCamera and put the cubes in a line and at layer ...
Alexander Farber's user avatar
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