Using WebRTC to send an iOS devices’ screen capture using ReplayKit

孤街醉人 提交于 2019-11-29 11:39:41

This is a great idea to implement you just have to render the RTCVideoFrame in the method that you have used in the snippet, and all the other object will initialize outsize the method, best way. for better understanding, I am giving you a snippet.

    var peerConnectionFactory: RTCPeerConnectionFactory?
    var localVideoSource: RTCVideoSource?
    var videoCapturer: RTCVideoCapturer?
    func setupVideoCapturer(){
          // localVideoSource and videoCapturer will use 
            localVideoSource = self.peerConnectionFactory!.videoSource() 
            videoCapturer = RTCVideoCapturer()
    //      localVideoSource.capturer(videoCapturer, didCapture: videoFrame!)

            let videoTrack : RTCVideoTrack =   self.peerConnectionFactory!.videoTrack(with: localVideoSource, trackId: "100”)

            let mediaStream: RTCMediaStream = (self.peerConnectionFactory?.mediaStream(withStreamId: “1"))!
            mediaStream.addVideoTrack(videoTrack)
            self.newPeerConnection!.add(mediaStream)
        }


 override func processSampleBuffer(_ sampleBuffer: CMSampleBuffer, with sampleBufferType: RPSampleBufferType) {
     switch sampleBufferType {
               case RPSampleBufferType.video:

            // create the CVPixelBuffer
            let pixelBuffer:CVPixelBuffer = CMSampleBufferGetImageBuffer(sampleBuffer)!;

            // create the RTCVideoFrame
            var videoFrame:RTCVideoFrame?;
            let timestamp = NSDate().timeIntervalSince1970 * 1000
            videoFrame = RTCVideoFrame(pixelBuffer: pixelBuffer, rotation: RTCVideoRotation._0, timeStampNs: Int64(timestamp))
            // connect the video frames to the WebRTC
            localVideoSource.capturer(videoCapturer, didCapture: videoFrame!)

            break
        }
    }

Hope this will help you.

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