[FFmpeg-user] How to multiplex two videos with ffmpeg

[Stephan Asovski]

joining won't help me here because the second video is uploaded by the
client and can be in many different formats (avi, mp4, mpeg, mpg, ts,
mp4...) my original thought was to convert both of the videos to mp4 and
join them, but than I have problem with two MOOV atoms and it's not
suitable for streaming
http://superuser.com/questions/653513/how-to-merge-2-mp4-files-with-1-atom


2013/10/4 Carl Eugen Hoyos <cehoyos at ag.or.at>

> Stephan Asovski <s0527705277 <at> gmail.com> writes:
>
> > I'm converting videos using the -s option for multiple
> > resulutions and I want to include a short intro at the
> > begining of the video. but for some reason it skips the
> > second `-i`
>
> (I don't think it gets skipped, but -i file1 -i file2
> never meant "please concatenate file1 and file2.)
>
> FFmpeg offers three possibilities to concatenate files:
> http://ffmpeg.org/ffmpeg-all.html#concat-2
> http://ffmpeg.org/ffmpeg-all.html#concat-1
> http://ffmpeg.org/ffmpeg-all.html#concat-3
>
> I don't think the concat protocol can work
> for mkv, please test demuxer or filter.
>
> Carl Eugen
>
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