The OS on the adapter is so barebones that there are no Unix tools, no launchd for process management: He notes that there’s no AirPlay involved in the entire flow of outputting video, and that the adapter runs a barebones OS, whose only similarity with iOS is the XNU kernel. Today, an anonymous commenter, possibly an Apple engineer, clarified a lot of information about the adapter over at Panic Software’s blog. While it was clear that there was some video decoding being done by the ARM SoC, we didn’t really know the specifics and the exact reason why the adapter wasn’t outputting raw HDMI. Yesterday, we’d told you about the tiny ARM based computer embedded inside every $50 Lightning Digital AV Adapter.
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