{"id":26400544,"url":"https://github.com/b1tflyyyy/virtual-ascii-camera","last_synced_at":"2026-05-18T22:05:08.251Z","repository":{"id":279801961,"uuid":"939953492","full_name":"b1tflyyyy/virtual-ascii-camera","owner":"b1tflyyyy","description":"Real-Time ASCII 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Virtual ASCII Camera\n\n## 📜 Description\n\nThis is a real-time ASCII converter that transforms the default input video into an ASCII-style output.\nYou can also adjust the blue and red levels in the output image in real-time.\nThe project provide a simple UI written in QML, using the Qt framework.\n\n## 🖼 UI\n\n\u003cimg src=\"docs/ui-images/img_2.png\" alt=\"My Image\" width=\"500\" height=\"300\"\u003e\n\n\u003cimg src=\"docs/ui-images/img_1.png\" alt=\"My Image\" width=\"500\" height=\"300\"\u003e\n\n## 🖇 How does it work (simple diagram) ?\n\n\u003cimg src=\"docs/ui-images/img_3.png\" alt=\"My Image\" width=\"500\" height=\"300\"\u003e\n\n## 📝 Technologies\n\n- _CMake_\n- _OpenCV_\n- _Qt_\n- _Qml_\n- _C++_\n- _v4l2loopback_\n\n## 💻 Supported systems\n\n- [ ] _Windows_\n- [ ] _MacOS_\n- [X] _Linux_\n\n## ⚙️ Build\n\n_Foreword:_\n```\nYou must have:\n- Qt 6.8.2\n- v4l2loopback\n```\n\n_Cloning repository and dependencies_\n```shell\ngit clone git@github.com:b1tflyyyy/virtual-ascii-camera.git\ngit submodule update --init --recursive\n```\n\n_Building OpenCV from sources_ \nOpenCV will be in third-party/opencv \nthen use official guide to build it for your system [here](https://docs.opencv.org/4.x/d7/d9f/tutorial_linux_install.html) and add it to the `CMAKE_PREFIX_PATH`.\n\n_Final build_\n```shell\n cmake -G Ninja -DCMAKE_C_COMPILER=clang-19 -DCMAKE_CXX_COMPILER=clang++-19 -DCMAKE_BUILD_TYPE=Debug -DCMAKE_PREFIX_PATH=$OPENCV_INSTALL_DIR ..\n ninja \n```\n\n## 🚀 Run \n_Creating a virtual device_\n```shell\nsudo modprobe v4l2loopback devices=1 video_nr=0 card_label=\"ASCIICam\"\n```\n\nThen in UI set `Output Device` to `/dev/video0` and set `Input Device` to your input device. \nAfter that click on `Start Broadcasting` 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