#0.3. If I don't tell ffmpeg which one to use, it'll go ahead and transcode the first one it finds, th... " tells ffmpeg to process the given stream. As we'll see later on, ffmpeg can process input from sever... ream in the .vob file is the video stream, so you'll need to adjust the "-map 0:0" accordingly if, for... the case with my DVD recorder, in which case you'll need "-map 0:1" instead. Either way round, this i