enable-libmp3lame allows encoding/decoding MP3s enable-libamr_nb and -enable-libamr_wb is for encoding/decoding narrowband and wideband audio streams from cellphones (linux-friendly versions of these libaries are available at ) enable-libxvid is for encoding/decoding using the DivX standard (which uses the XviD library, available at ) enable-liba52 is for encoding/decoding AC3 aduio extra-libs="-L/path/to/some/lib -libsomelibrary -L/path/to/another/lib -libanotherlibrary" extra-cflags="-I/path/to/some/include -I/path/to/another/include" \ There's a very helpful guide to installing ffmpeg here: You can go to to download either a bleeding-edge SVN or Git version, or a release version. If you're on a Mac, you can now use Brew to install ffmpeg! This saves you the headache of downloading/installing a dozen dependencies. You can do a number of different operations, but these can be grouped into a few categories, as they are here: image-to-video, video-to-image, and video-to-video.
The power of ffmpeg lies in its ability to convert just about anything to just about anything else.
Ffmpeg is an all-in-one video conversion swiss army knife.
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