还未完善,录制合成视频、音频有掉帧的情况

SwiftProject/SwiftProject.xcworkspace/xcuserdata/aaa.xcuserdatad/xcdebugger/Breakpoints_v2.xcbkptlist

@@ -585,5 +585,21 @@
             landmarkType = "7">
          </BreakpointContent>
       </BreakpointProxy>
+      <BreakpointProxy
+         BreakpointExtensionID = "Xcode.Breakpoint.FileBreakpoint">
+         <BreakpointContent
+            uuid = "55B7E93A-1F38-487B-8C95-0D9311B5F481"
+            shouldBeEnabled = "Yes"
+            ignoreCount = "0"
+            continueAfterRunningActions = "No"
+            filePath = "SwiftProject/Project/Util/SpatialVideoDataWriter.swift"
+            startingColumnNumber = "9223372036854775807"
+            endingColumnNumber = "9223372036854775807"
+            startingLineNumber = "160"
+            endingLineNumber = "160"
+            landmarkName = "writeVideoData(leftSamplebuffer:rightSamplebuffer:audioSamplebuffer:)"
+            landmarkType = "7">
+         </BreakpointContent>
+      </BreakpointProxy>
    </Breakpoints>
 </Bucket>

SwiftProject/SwiftProject/Project/Controller/RecordingVideo/CCSpatialShootController/CCSpatialShootController.swift

@@ -31,7 +31,7 @@ import CoreMotion
 
 class CCSpatialShootController: BaseController  {
     
-    let writeVideoQueuen = dispatch_queue_serial_t(label: "ccspatial writeVideoQueuen")//创建一个串行队列
+    let writeVideoQueuen = dispatch_queue_serial_t(label: "ccspatial writeVideoQueuen",qos: DispatchQoS.background)//创建一个串行队列
     
     let kNowTimeToUserDefaultKey_SpatialShootController:String = "kNowTimeToUserDefaultKey_SpatialShootController"
     var wideAngleCameraDevice:AVCaptureDevice?//测试使用

SwiftProject/SwiftProject/Project/Util/SpatialVideoDataWriter.swift

@@ -106,6 +106,7 @@ class SpatialVideoDataWriter {
             
             input_video = AVAssetWriterInput(mediaType: .video, outputSettings: videoSettings)
             input_video.expectsMediaDataInRealTime = true
+//            input_video.transform =  THTransformForDeviceOrientation(orientation)
             adaptor_inputVideo = AVAssetWriterInputTaggedPixelBufferGroupAdaptor(assetWriterInput: input_video)
             assetWriter.add(input_video)
             
@@ -120,7 +121,7 @@ class SpatialVideoDataWriter {
                 print("assetWriter 添加writerInput_Audio_left失败...")
             }
             assetWriter.startWriting()
-            assetWriter.startSession(atSourceTime: .zero)
+//            assetWriter.startSession(atSourceTime: .zero)
             
         }
         catch {
@@ -134,6 +135,7 @@ class SpatialVideoDataWriter {
         input_video.markAsFinished()
         assetWriter.finishWriting {
             print("assetWriter.finishWriting  可以保存")
+            
             completion(true, nil)
         }
         haveStartedSession = false
@@ -146,7 +148,6 @@ class SpatialVideoDataWriter {
     
     //第二步,开始写入数据
     func writeVideoData(leftSamplebuffer:CMSampleBuffer,rightSamplebuffer:CMSampleBuffer,audioSamplebuffer:CMSampleBuffer) {
-        
         //追加视频帧
         guard let leftCVPixelBuffer = CMSampleBufferGetImageBuffer(leftSamplebuffer) ,
               let rightCVPixelBuffer = CMSampleBufferGetImageBuffer(rightSamplebuffer)  else {