[Libav-user] Criteria for h.264 key-frame detection

Carl Eugen Hoyos cehoyos at ag.or.at
Tue Oct 22 13:03:15 CEST 2013

Carl Eugen Hoyos <cehoyos at ...> writes:

> Robert Krüger <krueger <at> ...> writes:
> > I just cut away everything from the file until the start 
> > of the packet containing the 27th frame 
> > (tail -c4329532 gh1_720p.mts > gh1_720p_cat.mts) and the 
> > resulting file decodes without artifacts using ffmpeg.
> (With or without -flags2 showall?)

Afaict, the 27th frame is not shown, ffmpeg "thinks" that 
it is no random access point.

Carl Eugen

More information about the Libav-user mailing list