Adds support for camera input devices on OS X.
This required fixing links in output libraries and executables to pull
in the system's CoreFoundation.framework rather than the open source CF
one.
@vcunat removed 2.7 and 2.6. The global version of 2.6 was unused,
and 2.7 -> 2.8 switch should be without problems by inspecting
http://abi-laboratory.pro/tracker/timeline/ffmpeg/
(only ABI changes and symbol additions)
Without this, users are presented with this endless loop:
$ ffplay
The program ‘ffplay’ is currently not installed. You can install it by
typing:
nix-env -i ffmpeg
$ nix-env -i ffmpeg
$ ffplay
The program ‘ffplay’ is currently not installed. You can install it by
typing:
nix-env -i ffmpeg
+ adds a minimal dependency version of ffmpeg as the default
+ the current ffmpeg changes have been moved to ffmpeg-full
+ ffmpeg default 2.5 -> 2.6
+ removed ffmpeg 0.5 & 2.5 (unused versions)
Close#7160.