dont export by default in the library.

allow this happen in the application level.

Examples/iOS/LiveViewController.swift

@@ -2,9 +2,28 @@ import HaishinKit
 import UIKit
 import XCGLogger
 import AVFoundation
+import Photos
 
 let sampleRate:Double = 44_100
 
+class ExampleRecorderDelegate: DefaultAVMixerRecorderDelegate {
+    override func didFinishWriting(_ recorder: AVMixerRecorder) {
+        #if os(iOS)
+            guard let writer:AVAssetWriter = recorder.writer, shouldSaveToPhotoLibrary
+                else { return }
+            PHPhotoLibrary.shared().performChanges({() -> Void in
+                PHAssetChangeRequest.creationRequestForAssetFromVideo(atFileURL: writer.outputURL)
+            }, completionHandler: { (isSuccess, error) -> Void in
+                do {
+                    try FileManager.default.removeItem(at: writer.outputURL)
+                } catch let error {
+                    print(error)
+                }
+            })
+        #endif
+    }
+}
+
 final class LiveViewController: UIViewController {
     var rtmpConnection:RTMPConnection = RTMPConnection()
     var rtmpStream:RTMPStream!
@@ -42,6 +61,7 @@ final class LiveViewController: UIViewController {
         rtmpStream.audioSettings = [
             "sampleRate": sampleRate
         ]
+        rtmpStream.recorderDelegate = ExampleRecorderDelegate()
 
         videoBitrateSlider?.value = Float(RTMPStream.defaultVideoBitrate) / 1024
         audioBitrateSlider?.value = Float(RTMPStream.defaultAudioBitrate) / 1024

Sources/Media/AVMixerRecorder.swift

@@ -1,8 +1,5 @@
 import Foundation
 import AVFoundation
-#if os(iOS)
-import Photos
-#endif
 
 public protocol AVMixerRecorderDelegate: class {
     var moviesDirectory:URL { get }
@@ -251,20 +248,6 @@ extension DefaultAVMixerRecorderDelegate: AVMixerRecorderDelegate {
     }
 
     open func didFinishWriting(_ recorder:AVMixerRecorder) {
-    #if os(iOS)
-        guard let writer:AVAssetWriter = recorder.writer, shouldSaveToPhotoLibrary else {
-            return
-        }
-        PHPhotoLibrary.shared().performChanges({() -> Void in
-            PHAssetChangeRequest.creationRequestForAssetFromVideo(atFileURL: writer.outputURL)
-        }, completionHandler: { (isSuccess, error) -> Void in
-            do {
-                try FileManager.default.removeItem(at: writer.outputURL)
-            } catch let error as NSError {
-                logger.error("\(error)")
-            }
-        })
-    #endif
     }
 
     open func didStartRunning(_ recorder: AVMixerRecorder) {

Sources/Net/NetStream.swift

@@ -124,6 +124,15 @@ open class NetStream: NSObject {
         }
     }
 
+    open var recorderDelegate: AVMixerRecorderDelegate? {
+        get {
+            return self.mixer.recorder.delegate
+        }
+        set {
+            self.mixer.recorder.delegate = newValue
+        }
+    }
+
 #if os(iOS) || os(macOS)
     open func attachCamera(_ camera:AVCaptureDevice?, onError:((_ error:NSError) -> Void)? = nil) {
         lockQueue.async {