缩略图获取缓慢时，录音进度绘制错误的问题

BFRecordScreenKit/Classes/RecordScreen/Controller/BFRecordScreenController.swift

@@ -828,11 +828,8 @@ public class BFRecordScreenController: BFBaseViewController {
                 return
             }
             if sself.indirectionView == nil {
-                sself.indirectionView = BFIndirectionProgressView(frame: sself.progressThumV.progessIndicateBackV.bounds , percenWidth: sself.itemModels[sself.currItemModelIndex ].mediaType == .IMAGE ? (sself.progressThumV.thumbImageWidth ) / 2 : 0, totalDuration: sself.itemModels[sself.currItemModelIndex ].materialDuraion )
+                sself.indirectionView = BFIndirectionProgressView(frame: sself.progressThumV.progessIndicateBackV.bounds , percenWidth: sself.itemModels[sself.currItemModelIndex ].mediaType == .IMAGE ? (sself.progressThumV.thumbImageWidth ) / 2 : 0, totalDuration: sself.itemModels[sself.currItemModelIndex].materialDuraion )
                 sself.progressThumV.progessIndicateBackV.addSubview((sself.indirectionView)!)
-                sself.indirectionView!.snp.makeConstraints({ make in
-                    make.edges.equalToSuperview()
-                })
             }
             // 更新录制进度
             // 注：视频无法以录制进度驱动，因当录音开始录音时播放器还未播放，导致进度不一致

BFRecordScreenKit/Classes/RecordScreen/View/BFVideoThumbProgressView.swift

@@ -77,11 +77,12 @@ class BFVideoThumbProgressView: UIView {
         }
         
         progressView.contentView.addSubview(progessIndicateBackV)
-        progessIndicateBackV.snp.remakeConstraints { make in
+        progessIndicateBackV.snp.makeConstraints { make in
             make.left.equalTo(width * 0.5)
             make.right.equalTo(width * -0.5)
             make.bottom.equalToSuperview()
             make.height.equalTo(6)
+            make.width.equalTo(1)
         }
     }
 
@@ -104,6 +105,7 @@ class BFVideoThumbProgressView: UIView {
         }
         self.addThumbImages(images: recordItem!.thumbImgs)
         if recordItem!.thumbImgs.count > 0{
+            // 代表已经获取过了，不用在重新去获得
             return
         }
         
@@ -111,12 +113,28 @@ class BFVideoThumbProgressView: UIView {
         let dur = videoAsset.duration.seconds
         if dur > 0 {
             let count = fetchThumbStrategy.frameNumberOfVideo(assetDuration: dur)
+            progessIndicateBackV.snp.remakeConstraints { make in
+                make.left.equalTo(width * 0.5)
+                make.right.equalTo(width * -0.5)
+                make.bottom.equalToSuperview()
+                make.height.equalTo(6)
+                make.width.equalTo(CGFloat(count) * thumbImageWidth)
+            }
+            
             let fps = Double(count) / dur
             splitVideoFileUrlFps(urlAsset: videoAsset, fps: fps, firstImagesCount: Int(ceil(width/2.0/thumbImageWidth))) { [weak self] hadGetAll, images in
+                guard let sself = self, let recordItem = sself.recordItem else {
+                    return
+                }
                 BFLog(1, message: "获取缩略图：\(hadGetAll), \(Date().timeIntervalSince(date))")
-                self?.recordItem!.thumbImgs.removeAll()
-                self?.recordItem!.thumbImgs.append(contentsOf: images)
-                self?.addThumbImages(images: images)
+                recordItem.thumbImgs.removeAll()
+                recordItem.thumbImgs.append(contentsOf: images)
+                
+                // 不足数则补充足够帧数
+                while (hadGetAll && recordItem.thumbImgs.count < count && images.count > 0) {
+                    recordItem.thumbImgs.append(images.last!)
+                }
+                sself.addThumbImages(images: recordItem.thumbImgs)
             }
         }
     }
@@ -139,9 +157,8 @@ class BFVideoThumbProgressView: UIView {
                 }
             }
             if images.count > 0 {
-                self?.thumbImgs = images
+//                self?.thumbImgs = images
                 if let sself = self {
-                    var lastiv = UIImageView()
                     for (i, img) in images.enumerated() {
                         let iv = UIImageView(image: img)
                         iv.contentMode = .scaleAspectFill
@@ -153,19 +170,7 @@ class BFVideoThumbProgressView: UIView {
                             make.height.equalTo(50)
                             make.width.equalTo(sself.thumbImageWidth)
                         }
-                        lastiv = iv
-                    }
-                    lastiv.snp.makeConstraints { make in
-                        make.right.equalTo(sself.width * -0.5)
                     }
-
-//                    sself.progressView.contentView.addSubview(sself.progessIndicateBackV)
-//                    sself.progessIndicateBackV.snp.remakeConstraints { make in
-//                        make.left.equalTo(sself.width * 0.5)
-//                        make.right.equalTo(sself.width * -0.5)
-//                        make.bottom.equalToSuperview()
-//                        make.height.equalTo(6)
-//                    }
                 }
             }
         }