Qt camera example camera" h hey, sorry for the late reply. A Python application that demonstrates how to use OpenCV and a trained model to detect faces detected from a webcam. g. Below was how to know it. 4; Qt Multimedia; QML Camera Example; Contents. All went correctly. 3 (?) and on a nexus7 the later works fine. CMake project files WebEngine Notifications Example; Qt Widgets Nano Browser Example; Animated Tiles Example; Application Chooser Example; Easing Example; States Example; You can control many of these processing steps through the Camera properties. This Qt Quick based application shows how to use the API to capture a still image or video. Transforming video and camera viewfinder content. Syntax Highlighter Example. native_setParameters(Native Method) W System. Oldest to I am trying to use the qtcamera example application. qt. For more information, visit Building and Running an Example. First we define the cameras. 7,024 3 3 W System. Gets or sets the currently active camera device. In qt camera example i am getting this error: Unable to query the parameter info: "Inappropriate ioctl for dev The camera is on the back face of the system hardware. The example I get a defaultServiceProvider::requestService(): no service forund for - "org. it can be put to good use. Qt Camera example explanation ⚠️ Forum Maintenance: Feb 6th, 8am - 14pm (UTC+2) Qt Camera example explanation. Download this example The Camera Example demonstrates how you can use Qt Multimedia to implement some basic Camera functionality to take still images and record video clips with audio. clipFar: real; clipNear: real; horizontalMagnification: real; verticalMagnification: real; Detailed Description. Note that since most cameras doesn't support sending orientation sensor data via PTP you will need to rotate the preview and captured images yourself when using camera in portrait orientation. Qt Multimedia Examples¶. Interested in AI ? www. A car model example that demonstrates using Qt Quick 3D cameras, extended scene environment and Qt Quick 3D. 3; QtWS: Sorry im new to cross compiling and qt. It shows how to change settings and to capture images. mrjj Lifetime Qt Champion last edited by . I manage to display the video from a locally stored file but not to display the stream from the IP camera. Qt 5. Coffee Machine. risosltd@raspberrypi:~/camera $ . Thank you SGaist for the promt reply. foreach (const QCameraInfo &cameraInfo, QCameraInfo::availableCameras()) { { qDebug() << cameraInfo. Thanks in Advance, 1 Reply Last reply . 0 v4l2src device=/dev/videoX ! 'video/x-raw,format=UYVY,width=1920,height=1080' ! glimagesink. Only users with topic management privileges can see it. It compiles fine, but when I run it the Camera view is missing: I did a simple trial via the Qt camera example but it does not work, can anyone point the correct approach? Screenshot from 2022-06-27 13-37-11. 0 version. I am developing a app and will use camera to capture some images, and meet a camera permission question. cpp:299 libcamera v0. There are both C++ and QML APIs for common tasks. It will also store the image and video settings. The application has capability to set properties of the camera, show view finder image, and capture still images and video. However, part of the app is based on obtaining image from a camera and showing it just like it happens with the camera example. I've just compiled the latest Qt 5. To run the example from Qt Creator, open the This example demonstrates how to access camera functions via QML. 0 it looks like qt multimedia(6. The example Qt camera demo. 5. I can run the program and display video stream from my laptops camera (Lenovo X220) and from my android phone (using DroidCam Client in the background). 1 Reply Last reply Reply Quote 0. Camera images can be further processed by application code (for example, to detect bar-codes, or to stitch together a panoramic image), or saved to a common format like Qt Camera Demo is an example application that demonstrates the use of Qt Mobility Qt camera classes to access the camera devices. 2+dfsg+4+rpi1 Modules: libqt5core5a libqt5dbus5 libqt5gui5 libqt5network5 libqt5opengl5 libqt5widgets5 libqt5multimedia5 libqt5multimediawidgets5 The Camera Example demonstrates how you can use Qt Multimedia to implement some basic Camera functionality to take still images and record video clips with audio. The example The Qt Multimedia API provides a number of camera related classes, so you can access images and videos from mobile device cameras or web cameras. I know the camera is plugged in and working. Running the Example; Application Structure; QML Camera Example. 2+dfsg+4+rpi1 Modules: libqt5core5a libqt5dbus5 libqt5gui5 libqt5network5 libqt5opengl5 libqt5widgets5 libqt5multimedia5 libqt5multimediawidgets5 Thank you SGaist for the promt reply. A Camera class is I installed only few Qt modules for Pi, which this example uses, because as I said I don't have many free disk space. I am using Qt creator 4. Setting up the 3D Scene I installed only few Qt modules for Pi, which this example uses, because as I said I don't have many free disk space. As per my understanding right, reading frame from camera is very basic operation any one can expect from QT camera API. If a property is supported on the new device, the property value is applied to the camera device. The Camera Example demonstrates how you can use Qt Multimedia to implement some basic Camera functionality to take still images and record video clips with audio. Running the Example¶ To run the example from Qt Creator, open the Welcome mode and select the example from Examples. The application also analyses the view finder image in real time and shows a histogram On hardware that supports it, QCamera lets you adjust the focus and zoom. The examples listed below show some typical use cases in various areas, featuring both low-level audio examples, high level audio and video playback as well as capturing and recording of While the camera is running, I get this spammed in the application output tab, but I see the camera feed fine. A similar question could be found here: Play a Live video Stream using Qt but I try to avoid using an other library such as LibVLC. So when i was going through the code i found the part which is searching for the camera device, ui->setupUi(this); //Camera devices: QByteArray cameraDevice; QActionGroup * Qt Camera example doesn't work on Android. P Offline. 3, I have the same issue with the same consequence I've just compiled the latest Qt 5. Key_Camera will @hrithik-singh said in Unable to run QT Camera Example on Qt 5. There is no mention of Ubuntu 22. camera" Camera error: "The camera service is I installed only few Qt modules for Pi, which this example uses, because as I said I don't have many free disk space. 04. Running the Example. For example on a mobile device, it means it is on the opposite side to that of the screen. jpeg: JPEG datastream contains no image qt. The closest example I could find was the Camera Example supplied with Qt. Remoteobjects (Add-ons) modelview. Camera focus will simply display the viewfinder and lock the camera settings. Improve this answer. The Camera Example shows how to use the API to capture a The 3D scene contains a single active camera and renders a 3D Qt logo along with some controls declared with Qt Quick Controls. So all I need to do is get the frames, do my processing and display it. camera in android manifest. java:2098) Same problems with declarative camera example or with minimal example. 2+dfsg+4+rpi1 Modules: libqt5core5a libqt5dbus5 libqt5gui5 libqt5network5 libqt5opengl5 libqt5widgets5 libqt5multimedia5 libqt5multimediawidgets5 I have also tested the QT Camera Example and I found that this warning is also coming with the example: https: Would you please make a run the QCamera example from QT example folder. 0 v4l2src device=/dev/videoX ! 'video/x-raw,format=UYVY,width=1920,height=1080 QML Video demonstrates the various transformations (move; resize; rotate; change aspect ratio) that can be applied to QML VideoOutput and Camera types. 1: imageCapture. nokia. proceduraltexture. 2 "camera example" crash at startup:. player. Recording audio and video using Qt Quick. 8? On qt5. Additionally, the QCamera's control properties (such as focusMode, flashMode, focusDistance, zoomFactor) are updated as follows:. QML Recorder Example. you also need to check whether mode is supported before calling setCaptureMode using isCaptureModeSupported(QCamera::CaptureViewfinder) D 1 Reply Last reply . The standalone gtreamer is working fine on my platform and I can able to run camera without Qt. The bandwidth is not a problem, the cameras are connected via ethernet or USB. setAction(MediaStore. I have installed OpenCV 4. CaptureProcessVideoThread. 804964889] [16449] INFO Camera camera_manager. We're doing this because we want to be able to switch the camera in one of the views. Are there any example to view the Raspberry Pi camera in Contribute to cedrus/qt development by creating an account on GitHub. QCamera. Player Example. VaL Doroshchuk last edited by . Wha The Camera Example demonstrates how you can use Qt Multimedia to implement some basic Camera functionality to take still images and record video clips with audio. The Qt Multimedia API provides a number of camera related classes, Camera images can be further processed by application code (for example, to detect bar-codes, or to stitch together a panoramic image), or saved to a common format I installed only few Qt modules for Pi, which this example uses, because as I said I don't have many free disk space. This is added to the QGraphicsScene of the QGraphicsView. This example demonstrates The Camera Example shows how to use the API to capture a still image or video. 2 in ubuntu 18_04 and everyting was fine. 1) Here using QT example: declarative-camera. 04 simply because it did not exist when that page was created. This example demonstrates how to use the Qt Multimedia QML API to access camera functions. 2+dfsg+4+rpi1 Modules: libqt5core5a libqt5dbus5 libqt5gui5 libqt5network5 libqt5opengl5 libqt5widgets5 libqt5multimedia5 libqt5multimediawidgets5 The Camera Example shows how to use the API to capture a still image or video. Qt5 works just fine with Ubuntu 22. M Offline. This also includes functionality such as a "Macro" mode for close up work (e. Camera. deviceName(); } Are there any ways to use web camera on qt 4. Qt Quick Examples - Key Interaction Camera Example¶ Tags: Android. Procedural Texture Example. idiap 1 Reply Last reply Reply Quote 0. imageio. Reference Documentation# C++ Classes# PySide6 Well, after a couple of days of playing with this, I managed to modify the camera example to show the live preview (All in C++). 2+dfsg+4+rpi1 Modules: libqt5core5a libqt5dbus5 libqt5gui5 libqt5network5 libqt5opengl5 libqt5widgets5 libqt5multimedia5 libqt5multimediawidgets5 Camera Example. To run the example from Qt Creator, Camera Example#. List of all members, including inherited members; Properties. Is there any example by which I can understand about Qt's asynchronous usage ? that would be great help full for me. @SGaist Hey thanks for answering. Contribute to aeagean/QtCamera development by creating an account on GitHub. Running the Contribute to cedrus/qt development by creating an account on GitHub. The Qt Multimedia API provides a number of camera related classes, so you can access images and videos from mobile device cameras or web cameras. You can also add a debug message to the for-loop in Camera class constructor to see device names of available cameras (and modify the code to select other than default camera). Contribute to ConvergenceSoftware/v4l2_camera_demo development by creating an account on GitHub. Or you can try to construct the camera with A car model example that demonstrates using Qt Quick 3D cameras, extended scene environment and Qt Quick 3D. 2+dfsg+4+rpi1 Modules: libqt5core5a libqt5dbus5 libqt5gui5 libqt5network5 libqt5opengl5 libqt5widgets5 libqt5multimedia5 libqt5multimediawidgets5 Hi, I am trying to use the qtcamera example application. /app and see gst errors, memory related? Can you see camera output in camera example? I've been using "camera example" of QT 5. clipFar: real; clipNear: real; fieldOfView: real; fieldOfViewOrientation: enumeration; Detailed Description. err: at android. A Qt Quick example shows how to setup variable refresh rate for specific parts of the UI. It is possible to position and rotate the QT Camera example; Discover and share your #QtStories. Debugger show that it is always in the same thread, called "viewfinderbin-q" I've tried online installer, that provides QT 5. Application Structure The Camera Example demonstrates how you can use Qt Multimedia to implement some basic Camera functionality to take still images and record video clips with audio. Contribute to chenxinzzu/QTCamera development by creating an account on GitHub. Documentation contributions included herein are the copyrights of their respective owners. 12 camera example here. I am trying to use the qtcamera example application. 15. The example has many options, that you can change. The example The Qt Multimedia API provides a number of camera related classes, so you can access images and videos from mobile device cameras or webcameras. QT5. Hi, I am trying to use the qtcamera example application. /app and see gst errors, memory related? Can you see camera output in camera example? However, part of the app is based on obtaining image from a camera and showing it just like it happens with the camera example. Contribute to SiloneSun/qt_camera_demo development by creating an account on GitHub. Key_CameraFocus or Qt::Key_Camera buttons on the application window. The example consists of a simple UI (camera. What changes do you think i should make to make the h/w camera work? There is Camera example in Qt. ACTION_IMAGE_CAPTURE); startActivityForResult(capture_image_intent, 101); I want to launch camera in my Qt android . Looking at the code above the one thing I'd try is make sure that camerInfo. The documentation provided herein is licensed under the terms of the GNU Free Documentation License version 1. To run an example application on a Boot to Qt device, you must set A Camera class is created that will act as our Camera. To run the Just copy QT5. 5 on Windows 11, I have created an application based on the camera example. Can anybody say what camera for that example is suitable, USB , Ethernet or another ? Im goint to integrate Infrared focal plane array video into QCamera Thanks in advance! Qt Forum. isNull() is not true. reading barcodes, or recognizing letters), or "touch to focus" - indicating an interesting area of Camera Example# Tags: Android. 12 example: camera demo. We're going to define several different cameras, even though we will only add 4 views. qml), camera interface definition (camerainterface. QT Camera example. 1. It has a user interface, control functions, setting values and a means of defining the location where the image or video clip is to be saved. I found the issue was because some of the files in gstreamer1. No dice. This topic has been deleted. The Qt Multimedia module provides cross-platform multimedia capabilities for Qt based applications. 4+22-923f5d70 ** (camera:16449): I installed only few Qt modules for Pi, which this example uses, because as I said I don't have many free disk space. To run the example from Qt Creator, open the Welcome mode and select the However, part of the app is based on obtaining image from a camera and showing it just like it happens with the camera example. Demonstrates the multimedia functionality provided by Qt. 0-beta2 on qt 4. Yes, it is x11 based. 3 as published by the Free Software Foundation. For example, Intent capture_image_intent = new Intent(); capture_image_intent. For example on a mobile device, it means it is on the same side as that of the screen. 2+dfsg+4+rpi1 Modules: libqt5core5a libqt5dbus5 libqt5gui5 libqt5network5 libqt5opengl5 libqt5widgets5 libqt5multimedia5 libqt5multimediawidgets5 So what is the difference between the Widget camera example and the declarative-camera example? I've tried both v5. I included support for QVideoFrame::Format_NV21 and used Open CV @Julian-Guarin-0 i would be suprised if the QtMultimedia module (and a backend) was ported for the QtWebAssembly module. 1 Reply Last reply . OpenCV Face Detection Example¶. mediaplayer" For #1 I am just trying to run the camera example application. hardware. 0 on my windows vista. 7, using eglfs; Yocto based, linux kernel 5. Can anybody say what camera for that example is suitable, USB , Ethernet or another ? Im goint to integrate Infrared focal plane array video into QCamera Thanks in advance! Navigation. Wha I'm writing a QT GUI application in wich a live stream of a connected camera is shown on a QGraphicsview. A scene needs at least one Camera in order to visualize its contents. DQUY05. It is possible to position and rotate the Edit the files from the camera GStreamer plugin in Qt's sources and then rebuild it. 2+dfsg+4+rpi1 Modules: libqt5core5a libqt5dbus5 libqt5gui5 libqt5network5 libqt5opengl5 libqt5widgets5 libqt5multimedia5 libqt5multimediawidgets5 I installed only few Qt modules for Pi, which this example uses, because as I said I don't have many free disk space. The example implements a Camera class that acts as our camera interface. 7. When i looked at the devices only usb camera was detected and hw camera was not. D Offline. But i think I might need little more help here. I've tried compiling and running the C++-based Qt Camera example (not the declarative-camera example, just the regular camera one). The Camera Example demonstrates how you can use Qt Multimedia to imp Qt 6. So, these are my Qt modules installed by synaptic: version: The example consists of a simple UI (camera. @tech-hi said in Qt Camera example not working: gst-launch-1. Screen Capture Example. 71; This example demonstrates using four separate View3Ds with different cameras in an application. I included support for QVideoFrame::Format_NV21 This is because of virtualbox 3d acceleration support opengl version 2. In addition, there is a background image asset (bg_qt. qt-project. Camera Example shows how to use the API to capture a still image or video. When I take picture, I get a "image is empty" warning sometimes. This issue am not getting while i was using the gsrtreamer commands. 0. jpeg: JPEG datastream contains no image Invalid texture upload for 0x55e799d1ef80 layer=0 mip=0 Dear all, using Qt 6. 2+dfsg+4+rpi1 Modules: libqt5core5a libqt5dbus5 libqt5gui5 libqt5network5 libqt5opengl5 libqt5widgets5 libqt5multimedia5 libqt5multimediawidgets5 @SGaist said in How to pre-process QCamera frames using OpenCV before displaying on QCameraViewfinder:. Can this example work with notebook webcam? or any other desktop camera? When I am trying to run it in qtcreator I have this error: defaultServiceProvider::requestService(): no service found for - "com. Introduction Example Qt Quick 3D. So when i was going through the code i found the part which is searching for the camera device, ui->setupUi(this); //Camera devices: QByteArray cameraDevice; QActionGroup * Thank you for replying. MX8 system), but when started I get a warning-popup telling me that the camera service is missing, and also the list of devices is empty. qt. there is no support of QT5 for ubuntu 22_04. It has a user interface, control functions, setting values and a means of defining the location where the image or video This example demonstrates how to use the Qt Multimedia QML API to access camera functions. For more information, see Developing for Android and Developing for iOS. To run the example from Qt Creator, open the Welcome mode and select the example from Examples. 2+dfsg+4+rpi1 Modules: libqt5core5a libqt5dbus5 libqt5gui5 libqt5network5 libqt5opengl5 libqt5widgets5 libqt5multimedia5 libqt5multimediawidgets5 Just compiled camera example from qtmobility-1. 4 source for Android and tried out the camera example again. It worked perfectly while i was using my USB camera. I basically did what @mvuori suggested. /app and see gst errors, memory related? Can you see camera output in camera example? Camera Example - no service found Nominate our 2022 Qt Champions! Camera Example - no service found. CMake project files However, part of the app is based on obtaining image from a camera and showing it just like it happens with the camera example. 9. camera" I get a defaultServiceProvider::requestService(): no service forund for - "org. 1) Im trying to make an application that takes live image recorded by camera and shows it on screen using Qt GUI. Qt Quick Examples - Key Interaction @SGaist Hey thanks for answering. Issue came up when i ran qt camera example program from the qt creator. 0. Edit the files from the camera GStreamer plugin in Qt's sources and then rebuild it. Scheduled Pinned Locked Moved Unsolved Mobile and Embedded 7 Posts 2 Posters 767 Views. The Qt Multimedia API provides a number of camera related classes, so you can access images and videos from mobile device cameras or webcameras. You do not have the required permissions to view the files attached to this post. The program seems to work correctly. 4. The camera frame shows up, but nothing appears in it. Login; Search. The Camera class contains an instance of QCamera , the API class interface to the hardware. A Qt Quick application with a state-based custom user interface. Reference Documentation C++ Classes. camera" Attribute Qt::AA_ShareOpenGLContexts must be set before QCoreApplication is created. To run an example application on an Android or iOS device, you must set up the development environment for Android or iOS. A Camera defines how the content of the 3D scene is projected onto a 2D surface, such as a View3D. replied to nagesh on last edited by #5. 1) The Qt Multimedia API provides a number of camera related classes, so you can access images and videos from mobile device cameras or webcameras. This is wrong. 0-plugins-* was missing. Here do not consider run-time permission (this part, works very well). This app works well on IOS but camera access seems to be denied despite the android. Then, when I moved to Ubuntu 22_04, this exemple crash at startup. Hi Normal usb cameras should be the most likely to be seen. Therefore an openCV image is first converted to a QImage and than to a QPixmap. The Camera Example shows how to use the API to capture a still image or video. A MediaRecorder object is then used to record the captured audio and video. 1) UVC camera QT demo based on V4L2. h), implementation of camera interface for NXP platforms, and a dummy implementation of the camera interface (in platform directory). But i have another h/w connected camera which i want to use. The application has capability to set properties of the camera, show view finder image, and This example demonstrates how to use the Qt Multimedia QML API to access camera functions. I get this in the console Application Output window: The Qt Multimedia API provides a number of camera related classes, so you can access images and videos from mobile device cameras or web cameras. (and as far as i know there is an example, added camera example link, thanks Shf) Share. 11. setParameters(Camera. Application structure ©2024 The Qt Company Ltd. Follow edited Jun 26, 2013 at 8:45. For more information, visit Building and Running an Example. Using Qt6. gui. To run the example from Qt Creator, open the Welcome mode and select the The Camera Example demonstrates how you can use Qt Multimedia to implement some basic Camera functionality to take still images and record video clips with audio. screencapture. Sure To test that your Qt Online Installer installation is successful, open an existing example application project. The Camera Example shows how to use the API to capture a I installed only few Qt modules for Pi, which this example uses, because as I said I don't have many free disk space. There are both C++ and QML apis for common tasks. Does it work? What device do you use? Or is it desktop? you can run with GST_DEBUG=4 . What changes do you think i should make to make the h/w camera work? I am trying to stream the video from an IP camera using Qt multimedia (Qt 5). QT V4L2 call camera example. 2+dfsg+4+rpi1 Modules: libqt5core5a libqt5dbus5 libqt5gui5 libqt5network5 libqt5opengl5 libqt5widgets5 libqt5multimedia5 libqt5multimediawidgets5 QT Camera example; Discover and share your #QtStories. Is it a widget vs qml thing? Is there a work around for using the qml code that works in conjunction with a widget based app? I am trying to use the qtcamera example application. Well, after a couple of days of playing with this, I managed to modify the camera example to show the live preview (All in C++). QML-Recorder-Example. This topic hey, sorry for the late reply. png. 1 Tablet: SDK24, Android 7. 8. After installing the plugin you may access your camera using any QtMultimedia camera app (for example, you may use camera example provided with Qt itself). When switching camera devices, the QCamera's capabilities are updated. 2) need opengl at least 3. png). Webenginequick (Add-ons) nanobrowser. Zlatomir Zlatomir. 3. The problem I have is t The camera example provided in the qt documentation is not working, returning the following erro: defaultServiceProvider::requestService(): no service found for - "org. 1 I saw example camera and I can use QCamera, but on qt4. 2+dfsg+4+rpi1 Modules: libqt5core5a libqt5dbus5 libqt5gui5 libqt5network5 libqt5opengl5 libqt5widgets5 libqt5multimedia5 libqt5multimediawidgets5 Camera Example from Multimedia after cross compiling to raspberry pi 4 isnt working. V. 12. I installed only few Qt modules for Pi, which this example uses, because as I said I don't have many free disk space. To run the example from Qt Creator, open the Welcome Qt Camera Demo is an example application that demonstrates the use of Qt Mobility Qt camera classes to access the camera devices. 8 I couldn't. Oldest to Newest I am trying to use the qtcamera example application. I get this in the console Application Output window: I am trying to run the Camera example on my embedded system (i. 2 as well and I would like to write a Qt GUI desktop application where I can view the camera (HQCam IMX477) and save raw data to a SSD as fast as possible. For example, you can set the white balance (or color temperature) used for processing images: camera @Lim-SAS said in qt 5. I guess a special backend would be needed which accesses the browser capabilities. The Camera Example demonstrates how you can use Qt Multimedia to implement some basic Camera functionality to take still images and record video clips with audio. Here use QT camera example for demo this question: @tech-hi said in Qt Camera example not working: gst-launch-1. The Camera Example shows how to use the API to capture a Thank you SGaist for the promt reply. So, these are my Qt modules installed by synaptic: version: 5. Defining the Cameras. QCamera::FrontFace: 2: The camera is on the front face of the system hardware. I read in a couple of examples online and here in this forum that I need to subclass QAbstractVideoSurface and implement the present() method. It also shows how native code can be combined with QML to implement more advanced functionality - in this case, C++ code is used to calculate the QML frame rate. /app and see gst errors, memory related? Can you see camera output in camera example? I've been programming in QT with C++ for about year. . 2, on Debian buster. In addition to QtMultimedia, features of Qt Quick Windows, I installed only few Qt modules for Pi, which this example uses, because as I said I don't have many free disk space. permission. answered Jun 25, 2013 at 18:39. I have enebaled the mediaservice routines in Yocto configuration and got the following library for my platform from Yocto (Qt 5. This example shows Qt's ability to combine the animation framework and the state machine framework to create a game. Does somebody give examples? The example uses the QML Camera and AudioInput types connected to a CaptureSession. Running my code I get this error: defaultServiceProvider::requestService(): no service found for - "org. QML Video Example. This example demonstrates how to access camera functions via QML. For example, you can set up a timer for that: List of all members, including inherited members; Properties. To run the example from Qt Creator, The Camera Example demonstrates how you can use Qt Multimedia to implement some basic Camera functionality to take still images and record video clips with audio. davidh last edited by . I want to open camera and take picture and get the path of image by using QtAndroid, and JNIObject. The camera driver and api provides me with functionality that refreshes the memory block showed by pointer. Contribute to hfx199133/v4l2_camera_demo development by creating an account on GitHub. It shows how to change settings and capture images or video. A Camera class is @tech-hi said in Qt Camera example not working: gst-launch-1. Camera Example# Tags: Android. /camera [4:58:53. I have built and run the Camera Example project from the examples in Qt (QtCreator -> examples). After installing, camera started working. therealdavidp Raspberry Pi Engineer & Forum Moderator I installed only few Qt modules for Pi, which this example uses, because as I said I don't have many free disk space. The example This example demonstrates how to use the Qt Multimedia QML API to access camera functions. 2. Qt Forum. Running the Example¶. 0 v4l2src device=/dev/videoX ! 'video/x-raw,format=UYVY,width=1920,height=1080 I installed only few Qt modules for Pi, which this example uses, because as I said I don't have many free disk space. rsipbi pllatl qamecf wxeu beequ dzmts nhkpd rliv rsar hoa