OpenGL video output using OpenCV VideoWriter

First 1080p test with my openGL video capturing program.

I'm reading frames from an openGL FBO object, and encoding and writing to disk with a separate thread. There are still some inconsistencies with the capture flow, but I'm working on that.

The upload is direct output from my program, using xvid codec.
18 seconds 1080p capture used aproximately 25MB disk space