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Re: [Question #247114]: Change source of screen captures?

To: sikuli-driver@xxxxxxxxxxxxxxxxxxx
From: RaiMan <question247114@xxxxxxxxxxxxxxxxxxxxx>
Date: Thu, 17 Apr 2014 06:11:54 -0000
Reply-to: question247114@xxxxxxxxxxxxxxxxxxxxx
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Question #247114 on Sikuli changed:
https://answers.launchpad.net/sikuli/+question/247114

    Status: Open => Answered

RaiMan proposed the following answer:
Does "external video source" mean, that there is a video stream, that is
not made visible on the screen?

Sikuli currently can only search for images, that are visible on the
screen.

Even if they are visible, then it might be impossible with the currently used technique to identify certain image objects, especially fast moving or changing things, since Sikuli will capture the screen or a region on the screen at random times, not synchronised with the frames of the video.
Rather static (at least for some time of at least one second) images should work depending on how exact the probe fits to the image in the video.

Principally it would be possible, to implement the Sikuli features on video streams, since the internally used OpenCV has extended video support, so one could access and analyse the frames.
... but yes, much effort and currently not on the list.

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