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We need to capture live video and display easily on Linux. We need a cheap card or USB device with a simple API. Anyone want to share some experience?
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You can make a video recording of what is happening on your screen: Press Ctrl + Alt + Shift + R to start recording what is on your screen. A red circle is displayed in the top right corner of the screen when the recording is in progress. Once you have finished, press Ctrl + Alt + Shift + R again to stop the recording.
If you have set in File > preferences > screencast , automatic File saving to ON , it will be saved in the folder that you've chosen. By default it's in ~/Videos but maybe you've changed it. if not, at the end of the recording, kazam asks you save for later and then let you choose the destination folder.
Use the video4linux library. I've used it with a c++ program and was able to capture webcam frames within about an hour. (Very easy to use and setup)
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If you need to program, you're best off using GStreamer, a multimedia framework under Linux.
Cheese, mentioned by jackbravo, is based on GStreamer, as is Flumotion, a streaming server I work on.
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