添加 LOG

BFFramework/Classes/PQGPUImage/akfilters/PQMovieFilter.swift

@@ -250,6 +250,8 @@ public class PQMovieFilter: PQBaseFilter {
                 readNextVideoFrame(showTimeStamp: showtimeStamp)
                 
                 framebufferIndex = framebufferIndex + 1
+            }else{
+                FilterLog(message: "movefilter 已经不显示了")
             }
         }