public static void loadLibrariesOnce(IjkLibLoader libLoader) {
        synchronized (IjkMediaPlayer.class) {
            if (!mIsLibLoaded) {
                if (libLoader == null)
                    libLoader = sLocalLibLoader;

                libLoader.loadLibrary("ijkffmpeg");
                libLoader.loadLibrary("ijksdl");
                libLoader.loadLibrary("ijkplayer");
                mIsLibLoaded = true;
            }
        }
    }
Default library loader
Load them by yourself, if your libraries are not installed at default place.
dkplayer-players/ijk/src/main/java/tv/danmaku/ijk/media/player/IjkMediaPlayer.java