orc 0.4.21
orc: add 0.4.21 bottle.

Closes #30382.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>
aubio 0.4.1
aubio: add 0.4.1 bottle.

Closes #30010.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>
ffmpeg 2.2.4
ffmpeg: update 2.2.4 bottle.