[FFmpeg-devel] [Bounty] Impl. check if input h264 P/B frame ref's frame prior to last I

[Andrey Utkin]

On Mon, 22 Feb 2016 20:04:31 +0200
Andrey Utkin <andrey_utkin at fastmail.com> wrote:
> On Mon, 22 Feb 2016 17:23:06 +0000 (UTC)
> Carl Eugen Hoyos <cehoyos at ag.or.at> wrote:
> > Do I understand correctly that your issue is that FFmpeg 
> > doesn't tell you if an I-frame in an H264 stream is an 
> > IDR frame or not?  
> 
> Yes.

However, considering the case of files with just one IDR in the very
beginning of file, and short I-frame intervals, it would be convenient
to be able slice the file on I-frames, just staying sure that there's no
references across I-frames intervals.