SubscribeMetalViewTest.swift

//
//  SubscribeMetalViewTest.swift
//  R5ProTestbed
//
//  Created by David Heimann on 1/10/19.
//  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(SubscribeMetalViewTest)
class SubscribeMetalViewTest: BaseTest {
    
    var current_rotation = 0
    var metalView: R5MetalVideoViewController? = nil;
    
    func setupR5MetalVideoViewController() {
        
        let view : UIView = UIView(frame: self.view.frame)
        
        metalView = R5MetalVideoViewController();
        metalView!.view = view;
        
        self.addChild(metalView!)
        self.view.addSubview(metalView!.view)
        
        metalView?.setFrame(self.view.bounds)
        
        metalView?.showPreview(true)
        
        metalView?.showDebugInfo(Testbed.getParameter(param: "debug_view") as! Bool)
        
    }
    
    override func viewDidAppear(_ animated: Bool) {
        super.viewDidAppear(animated)
        
        setupR5MetalVideoViewController()
        
        let config = getConfig()
        // Set up the connection and stream
        let connection = R5Connection(config: config)
        self.subscribeStream = R5Stream(connection: connection)
        
        metalView?.attach(subscribeStream)
        
        self.subscribeStream!.play(Testbed.getParameter(param: "stream1") as! String, withHardwareAcceleration: Testbed.getParameter(param: "hwaccel_on") as! Bool)
        
    }
    
    override func viewDidLayoutSubviews() {
        
        super.viewDidLayoutSubviews()
        
        if(metalView != nil){
            
            metalView?.setFrame(view.frame);
        }
        
    }
    
    func updateOrientation(value: Int) {
        
        if current_rotation == value {
            return
        }
        
        current_rotation = value
        currentView?.view.layer.transform = CATransform3DMakeRotation(CGFloat(value), 0.0, 0.0, 0.0);
        
    }
    
    func onMetaData(data : String) {
        
        let props = data.characters.split(separator: ";").map(String.init)
        props.forEach { (value: String) in
            let kv = value.characters.split(separator: "=").map(String.init)
            if (kv[0] == "orientation") {
                updateOrientation(value: Int(kv[1])!)
            }
        }
        
    }
    
    override func onR5StreamStatus(_ stream: R5Stream!, withStatus statusCode: Int32, withMessage msg: String!) {
        super.onR5StreamStatus(stream, withStatus: statusCode, withMessage: msg)
        
        if( Int(statusCode) == Int(r5_status_start_streaming.rawValue) ){
            
            let session : AVAudioSession = AVAudioSession.sharedInstance()
            let cat = session.category
            let opt = session.categoryOptions
            
            let s =  String(format: "AV: %@ (%d)",  cat.rawValue, opt.rawValue)
            ALToastView.toast(in: self.view, withText:s)
        }
    }

}