[FFmpeg-user] Can't write packet with unknown timestamp

[Mark Filipak]

On 04/24/2020 05:01 AM, Carl Eugen Hoyos wrote:
> Am Fr., 24. Apr. 2020 um 09:17 Uhr schrieb Mark Filipak
> <markfilipak.windows+ffmpeg at gmail.com>:
>>
>> What's going wrong with my remux?
> 
> I believe that you have already been told that you cannot generally
> concatenate vob files as you did, use mplayer -dumpstream.
> 
> Carl Eugen

Okay. What can be concatenated? That purpose does the 'concat:' filter serve?

Thanks,
Mark.