Capturing video out of an OpenGL window in Windows

Question

I am supposed to provide my users a really simple way of capturing video clips out of my OpenGL application\'s main window. I am thinking of adding buttons and/or keyboard s

Answer 1

I had to create a demo project of recording an OpenGL rendering into a video. I used glReadPixels to get the pixel data and created the video with OpenCV's cvWriteFrame. OpenCV lets you write in divx or even x264/vp8(with ffmpeg compiled in).

I have a more detailed writeup on my blog post along with a sample project. http://tommy.chheng.com/2013/09/09/encode-opengl-to-video-with-opencv/