合成视频失败弹出提示

BFFramework/Classes/Stuckpoint/Controller/PQStuckPointPublicController.swift

@@ -922,7 +922,15 @@ extension PQStuckPointPublicController {
             }
         }
         exporter.completion = { [weak self] url in
-            BFLog(message: "无水印的视频导出完成: \(String(describing: url)) 生成视频时长为：\(CMTimeGetSeconds(AVAsset(url: (url ?? URL(string: "https://media.w3.org/2010/05/sintel/trailer.mp4")!)).duration))")
+           
+            //输出视频时长
+           let  outSeconds = CMTimeGetSeconds(AVAsset(url: (url ?? URL(string: "https://media.w3.org/2010/05/sintel/trailer.mp4")!)).duration)
+            
+            BFLog(message: "无水印的视频导出完成: \(String(describing: url)) 生成视频时长为：\(outSeconds)")
+            if(outSeconds == 0){
+                cShowHUB(superView: self?.view, msg: "合成失败请重试。")
+                return
+            }
 
             // 导出完成后取消导出
             if self?.exporter != nil {