1，导出时如果完成了 强制暂停驱动器，2 ，修改 lOG

BFFramework/Classes/PQGPUImage/akfilters/PQMovieInput.swift

@@ -250,12 +250,13 @@ public class PQMovieInput: ImageSource {
             BFLog(2, message: "\(mIsExport) MovieOutput total frames appended:播放进行中 总用时: \(CFAbsoluteTimeGetCurrent() - (debugStartTime ?? 0.0)) 播放器开始时间:\(CMTimeGetSeconds(playeTimeRange.start)) 播放器原始结束时间:\(CMTimeGetSeconds(playeTimeRange.end))    总时间：\(CMTimeGetSeconds(playeTimeRange.end) - CMTimeGetSeconds(playeTimeRange.start)) 播放进度当前时间：\(currTime) 进度:\(prgressValue) 帧id \(totalFramesSent)")
             totalFramesSent += 1
     
-            BFLog(2, message: "播放进行中 总用时: \(CFAbsoluteTimeGetCurrent() - (debugStartTime ?? 0.0)) 播放进度当前时间：\(currTime) 进度:\(prgressValue)")
-            if currTime / duration > 1  {
+            BFLog(2, message: "2222222222播放进行中 总用时: \(CFAbsoluteTimeGetCurrent() - (debugStartTime ?? 0.0)) 播放进度当前时间：\(currTime) 总时间为：\(duration)进度:\(prgressValue) 音频时长：\(    CMTimeGetSeconds(asset.duration) )")
+            if currTime / duration > 1{
                 BFLog(2, message: "全部播放完成 总用时为：\(CFAbsoluteTimeGetCurrent() - (debugStartTime ?? 0.0))")
-
-                self.completion?()
- 
+                if(self.completion != nil){
+                    self.completion?()
+                }
+               
                 self.beginTime = 0
                 self.currentTime =  CMTimeMakeWithSeconds(CMTimeGetSeconds(playeTimeRange.start), preferredTimescale: BASE_FILTER_TIMESCALE)
                 self.isPlay = false
@@ -264,6 +265,10 @@ public class PQMovieInput: ImageSource {
                 // 定到首帧，最好移动到业务逻辑中。。。TODO不是导出模式才定帧
                 if !mIsExport {
                     self.start(isFreeBuffer: true,timeRange: playeTimeRange)
+                }else{
+                    BFLog(message: "强制停止！！！！")
+                    displayLink.isPaused = true
+                    return
                 }
             }