coreaudio_sys::audio_unit::AudioCodecProduceOutputBufferListProc

type AudioCodecProduceOutputBufferListProc = Option<extern fn(_self: *mut c_void, ioBufferList: *mut AudioBufferList, ioNumberPackets: *mut UInt32, outPacketDescription: *mut AudioStreamPacketDescription, outStatus: *mut UInt32) -> OSStatus>;