[FFmpeg-user] Timestamps are unset & Error writing trailer

Mark Filipak markfilipak.windows+ffmpeg at gmail.com
Thu Apr 2 16:47:19 EEST 2020

On 04/02/2020 08:29 AM, Paul B Mahol wrote:
> On 4/2/20, Mark Filipak <markfilipak.windows+ffmpeg at gmail.com> wrote:
>> I am getting only failures.
>> "Timestamps are unset in a packet for stream 0. This is deprecated and will
>> stop working in the
>> future. Fix your code to set the timestamps properly"
>> How do I "Fix your code to set the timestamps properly"?
>> Error writing trailer of C:\AVOut\foo.mkv: Invalid argument
>> "trailer"? "Invalid argument"? What's this all about?
>> I'm at a loss. Please help.
>> Regards,
>> Mark.
>> ffmpeg -analyzeduration 50000000 -probesize 50000000 -i
>> "concat:VTS_01_1.VOB|VTS_01_2.VOB|VTS_01_3.VOB|VTS_01_4.VOB|VTS_01_5.VOB|VTS_01_6.VOB"
> We already told you multiple times that DVDs are not supported by ffmpeg.

That's true, but I disregarded it because ffmpeg works for DVDs when transcoding -- I never had a 
failure -- and this is simply a remux (which should be simpler). Perhaps someone else will advise me.


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