[FFmpeg-user] Which command line can do dvb_teletext from ts to mp4

Marton Balint cus at passwd.hu
Tue Feb 16 01:20:37 CET 2016

On Tue, 16 Feb 2016, Moritz Barsnick wrote:

> On Tue, Feb 16, 2016 at 01:01:05 +0100, Henk D. Schoneveld wrote:
>> Where could I have found all this info about "-fix_sub_duration-txt_format text -txt_page 888” and this before “-i source"
>> Thanks a lot.
> Is that a rhetorical question? ;-) If not:
> If you look at this doc page (or some other related google hit):
> https://www.ffmpeg.org/ffmpeg-all.html
> and search for teletext, the first thing you will find is the
> desciption of the libzvbi-teletext decoder.
> https://www.ffmpeg.org/ffmpeg-all.html#libzvbi_002dteletext
> It doesn't say right there, but somewhere where ffmpeg's options system
> is described, that decoder options are *input* options and belong
> before the corresponding input.
> The "-fix_sub_duration" is Carl Eugen's special discovery for you. ;-)
> He understood the (apparently common) symptom you were describing.

I guess we could add an example to the docs, I remember others wanting the 
same thing and struggling a bit figuring out on their own.


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