In Quartz 2D, the CGColorSpaceCreateLab() function takes a range parameter defined as follows: CGFloat range[4]: An array of 4 numbers that specify the range of valid values for the a* and b* compone
How can I write a YUV frame data i开发者_开发知识库nto a CGContext?Convert it to RGB, then create a CGImage with it, then draw that into the context.