[FFmpeg-user] Number of stream maps must match number of output streams - having trouble with the syntax

[James Darnley]

On 2012-07-20 11:16, Matt Goble wrote:
> ffmpeg
> 
> -i "T:\INPUT.mov"
> -itsoffset 0.48 -i "T:\INPUT.mov"
> -map 1:0
> -map 0:1
> -map 0:2
> -map 0:3
> -map 0:4
> -map 0:5
> -vcodec copy
> -acodec copy
> "T:\OUTPUT.mov" -vcodec copy -newvideo -newaudio

> Number of stream maps must match number of output streams

What is ambiguous about this?  You have 6 maps but only 4 streams:
1 default video stream
1 default audio stream
1 newvideo stream
1 newaudio stream

You need at two more -new* options.

> FFmpeg version SVN-r25512, Copyright (c) 2000-2010 the FFmpeg developers

This is two years old, you might want to try updating if you don't like
the way to add more streams in this version.