我遇到了崩溃，我不知道是什么原因造成的。这是我从崩溃报告中得到的:ExceptionType:EXC_BAD_ACCESS(SIGSEGV)ExceptionSubtype:KERN_INVALID_ADDRESSat0x0000000cTriggeredbyThread:0Thread0Crashed:0AVFoundation0x2f271946-[AVPlayerPeriodicCaller_effectiveRateChanged]+4181AVFoundation0x2f270fc8__43-[AVPlayerTimelyCaller_timebaseDidChange:]_

我在应用程序中遇到错误"Assertionfailurein-[AVPlayerPeriodicCallerinitWithPlayer:interval:queue:block:],/SourceCache/EmbeddedAVFoundation/EmbeddedAVFoundation-461.12/Fig/AVPlayer.m:3993Terminatingappduetouncaughtexception'NSInternalInconsistencyException',reason:'Invalidparameternotsatisfying:CMTIME_COMPARE