H264Coder.swift initial

H264Coder.swift

import AVFoundation
import VideoToolbox

class H264Coder {

    var session: VTCompressionSession?

    let outputCallback: VTCompressionOutputCallback = { refcon, sourceFrameRefCon, status, infoFlags, sampleBuffer in
        guard let refcon = refcon,
              status == noErr,
              let sampleBuffer = sampleBuffer else {
            print("H264Coder outputCallback sampleBuffer NIUL or status: \(status)")
            return
        }

        let encoder: H264Coder = Unmanaged<H264Coder>.fromOpaque(refcon).takeUnretainedValue()
        encoder.didEncodeFrame(frame: sampleBuffer)
    }

    func didEncodeFrame(frame: CMSampleBuffer) {
        print ("Received encoded frame in delegate...")
    }
}