iOS (Objective-C)在AudioQueue中播放AAC文件的问题。

this is my first post here, I hope you can help me with this. I'm working on this code to get an AAC playback based on AudioQueue, I tested this with WAV format, and it works. The thing happens when I put either a .CAF or .M4A file and then I trigger the play method, this error comes up:this is my first post here, I hope you can help