mpeg to process the given stream. As we'll see later on, ffmpeg can process input from several files. "input" is the zero-based index of the input file we want to use − 0... first, 1 for the second etc. "stream" is the number of the stream within this file that we want to use, also zero-based. "-map 0:3" therefore means that we want t... of the pieces of equipment adorning my video rig here at home is a DVD recorder. Almost invariably, I record direct onto a DVD+RW... the audio track (boost the volume level among other things), put it back together again, archive the modified program onto a DVD±R
