ffmpeg - Decoding - Extract a separate Video file and separate Audio file
Extract an audio only and then a video only copy from the input
ffmpeg
-i
inputfile.mkv
-map
0
:
1
audio.mp3
-map
0
:
0
video.mp4
NOTE:
-map
: just replaces Stream #.
Stream 0:0 is the video stream.
Stream 0:1 is the audio stream.