CameraSwapTest.swift

//
//  CameraSwapTest.swift
//  R5ProTestbed
//
//  Created by Andy Zupko on 12/17/15.
//  Copyright © 2015 Infrared5, Inc. All rights reserved.
// 
//  The accompanying code comprising examples for use solely in conjunction with Red5 Pro (the "Example Code") 
//  is  licensed  to  you  by  Infrared5  Inc.  in  consideration  of  your  agreement  to  the  following  
//  license terms  and  conditions.  Access,  use,  modification,  or  redistribution  of  the  accompanying  
//  code  constitutes your acceptance of the following license terms and conditions.
//  
//  Permission is hereby granted, free of charge, to you to use the Example Code and associated documentation 
//  files (collectively, the "Software") without restriction, including without limitation the rights to use, 
//  copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit 
//  persons to whom the Software is furnished to do so, subject to the following conditions:
//  
//  The Software shall be used solely in conjunction with Red5 Pro. Red5 Pro is licensed under a separate end 
//  user  license  agreement  (the  "EULA"),  which  must  be  executed  with  Infrared5,  Inc.   
//  An  example  of  the EULA can be found on our website at: https://account.red5pro.com/assets/LICENSE.txt.
// 
//  The above copyright notice and this license shall be included in all copies or portions of the Software.
//  
//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,  INCLUDING  BUT  
//  NOT  LIMITED  TO  THE  WARRANTIES  OF  MERCHANTABILITY, FITNESS  FOR  A  PARTICULAR  PURPOSE  AND  
//  NONINFRINGEMENT.   IN  NO  EVENT  SHALL INFRARED5, INC. BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, 
//  WHETHER IN  AN  ACTION  OF  CONTRACT,  TORT  OR  OTHERWISE,  ARISING  FROM,  OUT  OF  OR  IN CONNECTION 
//  WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

//

import UIKit
import R5Streaming

@objc(CameraSwapTest)
class CameraSwapTest: BaseTest {

    override func viewDidAppear(_ animated: Bool) {
        
        super.viewDidAppear(animated)
        
        AVAudioSession.sharedInstance().requestRecordPermission { (gotPerm: Bool) -> Void in
            
        };
        
        
        setupDefaultR5VideoViewController()
        
        // Set up the configuration
        let config = getConfig()
        // Set up the connection and stream
        let connection = R5Connection(config: config)
        
        setupPublisher(connection: connection!)
        // show preview and debug info
        
        self.currentView!.attach(publishStream!)
        
        
        self.publishStream!.publish(Testbed.getParameter(param: "stream1") as! String, type: getPublishRecordType ())
        
        
        let tap : UITapGestureRecognizer = UITapGestureRecognizer(target: self, action: #selector(handleSingleTap(_:)))
        
        self.view.addGestureRecognizer(tap)
        
    }
    
    @objc func handleSingleTap(_ recognizer : UITapGestureRecognizer) {
        
       //change which camera is being used!!!
        
        //get front and back camera!!!!
        
        var frontCamera : AVCaptureDevice?
        var backCamera : AVCaptureDevice?
        
        for device in AVCaptureDevice.devices(for: AVMediaType.video){
            let device = device 
            if frontCamera == nil && device.position == AVCaptureDevice.Position.front {
                frontCamera = device
                continue;
            }else if backCamera == nil && device.position == AVCaptureDevice.Position.back{
                backCamera = device
            }
            
        }
        
        let camera = self.publishStream?.getVideoSource() as! R5Camera

        if(camera.device === frontCamera){
            camera.device = backCamera;
        }else{
            camera.device = frontCamera;
        }
        
        
    }
    
    override func onR5StreamStatus(_ stream: R5Stream!, withStatus statusCode: Int32, withMessage msg: String!) {
        super.onR5StreamStatus(stream, withStatus: statusCode, withMessage: msg)
        if (Int(statusCode) == Int(r5_status_buffer_flush_start.rawValue)) {
            NotificationCenter.default.post(Notification(name: Notification.Name("BufferFlushStart")))
        }
        else if (Int(statusCode) == Int(r5_status_buffer_flush_empty.rawValue)) {
            NotificationCenter.default.post(Notification(name: Notification.Name("BufferFlushComplete")))
        }
    }


}