[FFmpeg-user] dvd_nav_packet & mapping order issue

[Carl Eugen Hoyos]

Sub Phil <phil4000n <at> gmail.com> writes:

> First, why I with following cli it can't copy all 
> streams of a vob files?

Writing dvdnav packets is not supported.

> Second, if I copy all streams except dvd_nav_packet
> ffmpeg -i VTS_01_4_ORIGINAL.vob -map 0:0 -map 0:1 
> -map 0:2 -map 0:3 -map 0:4 -map 0:5 -c:v copy 
> -c:a:0 copy -c:a:1 copy -c:a:2 copy -c:s:0 copy
> -c:s:1 copy VTS_01_4_N.vob
> 
> Than why is the ouput order changed?

MPEG-PS streams do not have an order of streams, 
what you see was reported repeatedly but unless 
you can explain a negative effect this has, there 
is no issue.

> P.S. My initial objective is to repair a scratched 
> DVD and concat all its vob into a single one.

mplayer -dumpstream or tools/dvd2concat

Carl Eugen