Mplayer for playing video and audio. It will play anything if the codec for the media type is installed. It will do playlist with the playlist flag.
Mplayer for dumping raw streams to file.
mplayer dvd://2 -dumpstream -dumpfile myfile.vob
mplayer /home/myfile.ra -vc dummy -vo null -ao pcm:file=myfile.wav
A high definition movie that is too much for an older machine to handle.
mplayer /home/movie.mkv -lavdopts skiploopfilter=all
Crop the black lines off of a movie while you play it. After using
mplayer /home/mymovie.avi -vf cropdetect
mplayer /home/mymovie.avi -vf crop=720:370
Selecting the audio stream (language) of a DVD
mplayer -aid 128 dvd://
Mencoder for encoding, cropping, aspect ratio setting, joining clips
Lame encode to mp3
oggdec .ogg to .wav
oggenc encode to .ogg
Lavc and xivd encode to .avi
VLC works good but it's a little heavy.
Xine works ok.
grip, audacity work ok too.