[AVAssetWriterInputPixelBufferAdaptor initWithAssetWriterInput:sourcePixelBufferAttributes:] Cannot create a new pixel buffer adaptor with an asset writer input that has already started writing

[AVAssetWriterInputPixelBufferAdaptor initWithAssetWriterInput:sourcePixelBufferAttributes:] Cannot create a new pixel buffer adaptor with an asset writer input that has already started writing

 

解决方式：

在执行[self.assetWriter startWriting]; 之前创建好AVAssetWriterInputPixelBufferAdaptor对象