每当使用audioEngine.play的时候,都由概率造成crash
crash时的日志如下
2017-09-26 21:03:09.591660+0800 jxwy-mobile[17038:971547] [aqme] 318: Audio device 0xc0: error 560947818 fetching sample rate, or sample rate is 0. Defaulting to 44100.
2017-09-26 21:03:09.604001+0800 jxwy-mobile[17038:971547] [aqme] 220: EXCEPTION thrown (560227702): -libc++abi.dylib: terminating with uncaught exception of type CAException