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

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

View PDF

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

Feedback

Was this page helpful?

Helpful Not helpful

Provide feedback

Thank you very much for your feedback. We will continue working to improve the documentation.See the reply and handling status in My Cloud VOC.

The system is busy. Please try again later.

Which of the following issues have you encountered?

Content is inconsistent with the product UI

Unclear descriptions

Lack of examples or code

Incorrect steps

Can't find what I need

Lack of best practices

Feedback (optional)

0/500

Select at least one type of issue, and enter your comments or suggestions.

Enter a maximum of 500 characters.

Submit Cancel

For any further questions, feel free to contact us through the chatbot.

Chatbot