Looking for a video capture app

[Munk#AC]

I'm trying in vain to find an app that is one part video capture app and one part video player. I want to watch video that is streamed off websites but am often turned off by having to watch the the window embedded in the website with no fullscreen option or it won't play at all due to format or codec issues. Does anyone know of an app that will do this for me?

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