[...]
David-Favor-iMac# ffmpeg -devices
ffmpeg version 2.3.1-2014-08-01-65165-g229a1e8 Copyright (c) 2000-2014 the
FFmpeg developers
built on Aug 1 2014 10:13:00 with Apple LLVM version 5.1 (clang-503.0.40)
(based on LLVM 3.4svn)
configuration: --cc=/usr/bin/clang
Additional information related to my first message.
Building with gcc produces no trace of avfoundation support in full help.
Building with clang shows...
AVFoundation input device AVOptions:
-list_devices int.D.. list available devices (from 0 to 1)
(default 0)
true
