LiveCode Forums

Hello: I would like to analyze a video frame-by-frame. In the forums I found an approach in which snapshots are taken from a running video. Based on this idea, I tried to advance the movie frame by frame (play step forward lClip; see below). This has the disadvantage that it is rather slow because a...

Has there been any solution to this issue? I am currently also struggling with the latest LiveCode version to see the video coming in via USB3.0. The revVideoGrabDialog does not work at all -- this command does not trigger display of a dialog that allows you to select an input source, as explained i...

Klaus: I also had this idea before I posted my inquiry here. As there is nothing enlightening, I thought it would be adequate to ask the forum.
Best,
Olli.

Hello I would like to write a stack that allows me to record videos. An external video camera will be plugged into the Mac via USB (or thunderbolt), and the feed this camera provides will be processed with a stack. There is this example stack that comes with LiveCode (Video Capture.rev). But it simp...

Hello Bernd: Thank you for getting back to me regarding this issue. Indeed, I am very experienced with coding in runtime, but i am rather unexperienced when it comes to analyzing image data, using any programming language. Here are some technical data on the video files, taken from quicktime movie i...

I've been programming experimental tasks as these for 10 years using first Pascal on the Apple Macintosh, and then Hypercard predominantly due to developing time, and for a couple of years now in runrev. In the area of neuropsych testing, I implemented a version of the Wisconsin Card Sorting Test. A...

hello: i record animal behaviour on video. specifically, individual rats are placed in a square box in which they will find some stationary objects. I would like to track the rat's movement. Thus, the only thing that changes from image to image is the location of the animal, nothing else moves. The ...