May 2019
Intermediate to advanced
542 pages
13h 37m
English
Content preview from Mastering GUI Programming with Python
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Video recording
To record videos, we first need a source. In Qt, this source must be a subclass of QMediaObject, which can include an audio source, a media player, a radio, or—as we'll be using in this program—a camera.
Qt 5.12 currently does not support video recording on Windows, only macOS, and Linux. For more information about the current state of multimedia support on Windows, please see https://doc.qt.io/qt-5/qtmultimedia-windows.html.
Cameras themselves are represented as QCamera objects in Qt. To create a working QCamera object, though, we need to first get a QCameraInfo object. The QCameraInfo object contains information about a physical camera attached to the computer. A list of these objects can be obtained from the QtMultimedia.QCameraInfo.availableCameras() ...
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