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diff --git a/doc/src/videooverview.qdoc b/doc/src/videooverview.qdoc index ca5c7bd64..8a8347fc8 100644 --- a/doc/src/videooverview.qdoc +++ b/doc/src/videooverview.qdoc @@ -90,6 +90,20 @@ You can use the \l QMediaRecorder class in conjunction with other classes to record video to disk. Primarily this is used with the camera, so consult the \l {Camera Overview} for more information. +\section2 Monitoring video frames +You can use the \l QVideoProbe class to access video frames as they +flow through different parts of a media pipeline when using other +classes like \l QMediaPlayer, \l QMediaRecorder or \l QCamera. After +creating the high level media class, you can set the source of the +video probe to that instance. This can be useful for performing +some video processing tasks (like barcode recognition, or object +detection) while the video is rendered normally. You can not affect +the video frames using this class, and they may arrive at a slightly +different time than they are being rendered. + +Here's an example of installing a video probe while recording the camera: + \snippet doc/src/snippets/multimedia-snippets/media.cpp Video probe + \section1 Examples There are both C++ and QML examples available. |