Help Center> Huawei HiLens> SDK Reference> Video Input> Reading Video Frames from Cameras

Updated on 2023-06-15 GMT+08:00

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Reading Video Frames from Cameras

This section describes how to read video frames. If an error occurs during camera reading, the exception message std::runtime_error will be displayed.

API Calling

virtual cv::Mat hilens::VideoCapture::Read()

Return Value

If the camera is an IPC or a local camera, YUV_NV21 data is returned. If the camera is a UVC camera, BGR data is returned.

Parent topic: Video Input

Previous topic: Constructing Video Collectors

Next topic: Obtaining the Video Width

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