One Quickie

Error code -12780 (Audio->General)
Sometimes you get error code -12780, and it's completely undocumented ( rdar://20194243 - please document this stupid code plzkthx).

Thanks to Dave DeLong: It’s a CoreMedia error: “Returned when caller passes incorrect input or output parameters”

So it's a paramErr, but for CoreMedia. Something, somewhere, internally went amiss, and it's interpreting an argument as invalid.

Here are situations I've either encountered or seen on the net:

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