"Homebrew installs the stuff you need that Apple didn't," this is the Homebrew motto and stands as the best description ever!
Homebrew is using "bottles," each one having its own "formula."
For the regular user, it's really easy to use. It will just tell homebrew to install a "formula" in a "bottle" and, if there is such a case, you can choose the custom formula.
First you must install Homebrew, which is a really easy process.
1. Open Terminal, run this command and follow the on-screen instructions:
How to use Homebrew (brew)
The format to install a right "formula" is:
If you do not know the "formula" name, you can use the keyword search command:
If you want to see a list of available "formulas," use this command or browse braumeister.org.
When I install ffmpeg, I use these options: