[FFmpeg-user] DVB subtitle track is not found by ffmpeg

Moritz Barsnick barsnick at gmx.net
Mon May 28 16:08:58 EEST 2018

On Mon, May 28, 2018 at 11:32:52 +0000, Lehtonen Tommi (KAVI) wrote:
> Stream specifier ':s' in filtergraph description [0:v][0:s]overlay[v] matches no streams.
> DVB stream is not found, because it is not present at the start of
> the file. This works in those files where the DVB track is present
> from the start, but some files it goes like on and off.

This recent thread was about dvd_subtitle, but I believe it also
applies to your case:


In short, you need to provide sufficiently large values of
"-analyzeduration" and "-probesize".

> Finnish
> Swedish

Nice. Or rather: j├Ąttebra.


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