19 Mar 2012
Today I have succeeded at streaming video from camera and showing it on the screen. Also, I have succeeded at manipulating pixels before showing it.
The normal way is to:
, which is from ``CVPixelBuffer```
with your ``CVImageRef```
This is a normal way. You may also channel
`CVImageBufferRef` to OpenGL in order to manipulate pixels with OpenGL Shader.
The vital technique is not to copy anything but to manipulate the pixels at their addresses directly.
It seems to me that using OpenGL shader is a better idea because: