title: How to Convert CIImage to CMSampleBufferRef
body: <p>I am using AVCapturesession to record video I am reciving out at didrecive sample buffer method in the form of CMSamplbufferRef.I Have Converted that to CIImage and made some some change and now I Want to convert that CIImage to CMSampleBufferRef Can Any one please help me,
  I Broused a lot but I didn't found answer to this any where I hope I'll found it here.</p>