iOS: error in __connection_block_invoke_2: Connection interrupted [duplicate] iOS: error in __connection_block_invoke_2: Connection interrupted [duplicate] multithreading multithreading

iOS: error in __connection_block_invoke_2: Connection interrupted [duplicate]


So I fixed the issue.

You can't use AVCaptureMovieFileOutput and AVCaptureVideoDataOutput simultaneously. I took out AVCaptureMovieFileOutput, and the AVCaptureVideoDataOutput delegate is called.