Supported input formats
$ ffmpeg -formats
Sub-clip Creation
$ ffmpeg -i input_file -ss timecode -t timecode -vcodec copy -acodec copy output_file
ex:
ffmpeg -i recorder_A.vob -ss 00:03:00 -t 00:30:15 -vcodec mpeg4 -acodec aac recorder_A.mp4
Audio Volume Modification