边转边播，不能算作优化

SwiftProject/SwiftProject/Project/Controller/RecordingVideo/CCSpatialVideoDisplayController.swift

@@ -286,39 +286,60 @@ class CCSpatialVideoDisplayController: BaseController, AVPlayerViewControllerDel
 //            self.quickLoadAReader(timeRange: tr)
             
 
-            while let nextSampleBuffer = self.assetOutput!.copyNextSampleBuffer() {
-//                print("compositon......copy samplebuffer")
-            }
-//            if(self.assetReader?.status == .completed){
-//                print("okkkssss...")
-                self.assetOutput?.reset(forReadingTimeRanges:[NSValue(timeRange: tr)])
-//            }
-//            else{
-//                
-//                print("status:\(self.assetReader?.error?.localizedDescription)")
-//            }
-            
-            
             
             
             var ciImg:CIImage? = nil
             switch self.selectedIndex {
                 case .crossedEyes://交叉眼
+                while let nextSampleBuffer = self.assetOutput!.copyNextSampleBuffer() {
+                }
+                self.assetOutput?.reset(forReadingTimeRanges:[NSValue(timeRange: tr)])
+                
+                
                 ciImg = videoTranserConvertor.convertVideo(asset: videoOriginalAsset, assetOutput: self.assetOutput!, type: self.selectedIndex, time: compositionTime)
                     break
+                
+                
                 case .fsbs:
+                while let nextSampleBuffer = self.assetOutput!.copyNextSampleBuffer() {
+                }
+                self.assetOutput?.reset(forReadingTimeRanges:[NSValue(timeRange: tr)])
+                
                 ciImg = videoTranserConvertor.convertVideo(asset: videoOriginalAsset, assetOutput: self.assetOutput!, type: self.selectedIndex, time: compositionTime)
                     break
+                
+                
                 case .hsbs:
+                while let nextSampleBuffer = self.assetOutput!.copyNextSampleBuffer() {
+                }
+                self.assetOutput?.reset(forReadingTimeRanges:[NSValue(timeRange: tr)])
+                
+                
                 ciImg = videoTranserConvertor.convertVideo(asset: videoOriginalAsset, assetOutput: self.assetOutput!, type: self.selectedIndex, time: compositionTime)
                     break
+                
+                
                 case .parallelEyes://平行眼
+                while let nextSampleBuffer = self.assetOutput!.copyNextSampleBuffer() {
+//                    print("平心眼...")
+                }
+                self.assetOutput?.reset(forReadingTimeRanges:[NSValue(timeRange: tr)])
+                
+                
                 ciImg = videoTranserConvertor.convertVideo(asset: videoOriginalAsset, assetOutput: self.assetOutput!, type: self.selectedIndex, time: compositionTime)
                     break
+                
+                
                 case .monocular2D:
                     ciImg = request.sourceImage
                     break
+                
+                
                 case .redBlueSolid://红蓝立体
+                while let nextSampleBuffer = self.assetOutput!.copyNextSampleBuffer() {
+                }
+                self.assetOutput?.reset(forReadingTimeRanges:[NSValue(timeRange: tr)])
+                
                     ciImg = videoTranserConvertor.convertVideo(asset: videoOriginalAsset, assetOutput: self.assetOutput!, type: self.selectedIndex, time: compositionTime)
                     break