修正判断视频是否为空间视频的逻辑

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

@@ -611,21 +611,6 @@ class CCSpatialVideoDisplayController: BaseController, AVPlayerViewControllerDel
 }
 
     
-    //检查是否为空间视频
-    func isSpatialVideo(asset: AVAsset) -> Bool {
-            let metadata = asset.metadata(forFormat: AVMetadataFormat.quickTimeMetadata)
-            let isSpatialVideo = metadata.contains { item in
-                if let identifier = item.identifier?.rawValue {
-                    return identifier == "mdta/com.apple.quicktime.spatial.format-version"
-                }
-                return false
-            }
-            return isSpatialVideo
-    }
-    
-    
-    
-    //AVPlayerViewControllerDelegate
 
 
 }

SwiftProject/SwiftProject/Project/Util/SpatialVideoConvertor.swift

@@ -33,12 +33,6 @@ class SpatialVideoConvertor {
          let assetReader = try AVAssetReader(asset: asset)
          
          
-         //检查是否为空间视频 print("该视频不是空间视频或图片")
-         let userDataItems = try await asset.loadMetadata(for:.quickTimeMetadata)
-         let spacialCharacteristics = userDataItems.filter { $0.identifier?.rawValue == "mdta/com.apple.quicktime.spatial.format-version" }
-         if spacialCharacteristics.count == 0 {
-             print("不是空间视频")
-         }
          
          //获取输入视频的方向和大小(用于设置输出方向)
          let (orientation, videoSize) = try await getOrientationAndResolutionSizeForVideo(asset: asset)

SwiftProject/SwiftProject/Project/Util/SpatialVideoWriter.swift

@@ -54,6 +54,31 @@ class SpatialVideoWriter {
             assetWriter.add(input_video)
             
             
+            //附加视频标记元数据信息
+            let metadataItem_1 = AVMutableMetadataItem()
+            metadataItem_1.identifier = .quickTimeMetadataDescription
+            metadataItem_1.dataType = kCMMetadataDataType_QuickTimeMetadataDirection as String
+            metadataItem_1.value = String("ff") as (NSCopying & NSObjectProtocol)
+            
+            
+            let metadataItem_2 = AVMutableMetadataItem()
+            metadataItem_2.identifier = .quickTimeMetadataInformation
+            metadataItem_2.dataType = kCMMetadataDataType_QuickTimeMetadataDirection as String
+            metadataItem_2.value = String("ff") as (NSCopying & NSObjectProtocol)
+            
+            
+            let atmg:AVMutableTimedMetadataGroup = AVMutableTimedMetadataGroup(items: [metadataItem_1,metadataItem_2], timeRange: CMTimeRange(start: .zero, duration: .positiveInfinity))
+            let desc:CMMetadataFormatDescription? = atmg.copyFormatDescription()
+            let input_metadata = AVAssetWriterInput.init(mediaType: .metadata, outputSettings: nil, sourceFormatHint: desc)
+            let metadataAdaptor = AVAssetWriterInputMetadataAdaptor(assetWriterInput: input_metadata)
+            assetWriter.add(input_metadata)
+
+            
+            
+            
+            
+
+            
             // 创建音频输入
             let inputSettings_Audio = [
                 AVFormatIDKey: kAudioFormatLinearPCM, // 指定未压缩格式
@@ -76,11 +101,12 @@ class SpatialVideoWriter {
             else {
                 print("assetWriter 添加writerInput_Audio_left失败...")
             }
-            
+//            AVMetadataFormat
             assetWriter.startWriting()
             assetWriter.startSession(atSourceTime: .zero)
 
             
+            
             //创建视频读取
             let leftEyeReader = try AVAssetReader(asset: leftEyeAsset)
             let rightEyeReader = try AVAssetReader(asset: rightEyeAsset)
@@ -125,6 +151,9 @@ class SpatialVideoWriter {
             
             
             
+            
+            
+
             while let leftBuffer = leftEyeOutput.copyNextSampleBuffer(),
                   let rightBuffer = rightEyeOutput.copyNextSampleBuffer() {
 
@@ -148,12 +177,18 @@ class SpatialVideoWriter {
                     // 等待直到 writerInput 准备好接收下一个视频帧
                     Thread.sleep(forTimeInterval: 0.1) // 暂停一段时间，避免过度占用资源
                 }
-                adaptor_inputVideo.appendTaggedBuffers([left, right], withPresentationTime: leftBuffer.presentationTimeStamp)
+                let appendResult = adaptor_inputVideo.appendTaggedBuffers([left, right], withPresentationTime: leftBuffer.presentationTimeStamp)
+                print("appendResult :\(appendResult)")
             }
 
             
             self.addAudio(assetTrackOutput: output_audio_left, audio_input: writerInput_Audio_left)
             
+            //附加元素据
+            let appendATMGResult = metadataAdaptor.append(atmg)
+            
+            print("atmg result:\(appendATMGResult)")
+            
             // 完成写入
             print("完成写入")
             writerInput_Audio_left.markAsFinished()

SwiftProject/SwiftProject/Project/Util/VideoConvertor2.swift

@@ -78,12 +78,6 @@ class VideoConvertor2 {
         let assetReader = try AVAssetReader(asset: asset)
         
         
-        //检查是否为空间视频 print("该视频不是空间视频或图片")
-        let userDataItems = try await asset.loadMetadata(for:.quickTimeMetadata)
-        let spacialCharacteristics = userDataItems.filter { $0.identifier?.rawValue == "mdta/com.apple.quicktime.spatial.format-version" }
-        if spacialCharacteristics.count == 0 {
-            print("不是空间视频")
-        }
         
         //获取输入视频的方向和大小(用于设置输出方向)
         let (orientation, videoSize) = try await getOrientationAndResolutionSizeForVideo(asset: asset)

SwiftProject/SwiftProject/Project/Util/ZZHHelper.swift

@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AVFoundation
 
 
 class ZZHHelper {
@@ -33,4 +34,20 @@ class ZZHHelper {
             return "\(hoursText):\(minutesText):\(secondsText)"
         }
     }
+    
+    //MARK: 检查是否为空间视频
+    class func isSpatialVideo(asset: AVAsset)  -> Bool {
+        for track in asset.tracks {
+            if track.mediaType == .video {
+                for formatDesc in track.formatDescriptions {
+                    let dic = CMFormatDescriptionGetExtensions(formatDesc as! CMFormatDescription) as! Dictionary<String, Any>
+                    let fromatName = dic["FormatName"] as? String
+                    if let fn = fromatName,fn == "HEVC"{
+                        return true
+                    }
+                }
+            }
+        }
+        return false
+    }
 }