[FFmpeg-devel] [PATCH] -force_key_frames option

Stefano Sabatini stefano.sabatini-lala
Sat Oct 16 22:18:47 CEST 2010


On date Saturday 2010-10-16 20:39:22 +0200, Nicolas George encoded:
> > *ffmpeg* option, also maybe -forced_key_frame is more useful (check
> >  how it is done in the rest of the file).
> 
> Adapted to be written the same way as the other comments.
> 
> > Missing ffmpeg-doc.texi docs.
> 
> Added.
> 
> Also:
> 
> - changed from -forced_key_frames to -force_key_frames: more consistent with
>   other options (-force_fps) and the one I submitted to MPlayer;
> 
> - added the argument description to the option structure.
> 
> > BTW can you explain a scenario where using this option would be useful?
> 
> I want to use it to ensure that there is a seek point exactly at a place I
> will probably want to jump precisely sometime, the major example would be
> the end of an opening and beginning of the program proper. The scene change
> detection system will often make it happen, but not always if there is a
> fade-in.

[...]

No further comments from me, I'm fine with the patch, thanks.

Another (crazy?) idea may be to make this a feature of the encoder,
but again I'm not sure it's a good idea.

Regards.
-- 
FFmpeg = Frenzy & Fostering Monstrous Portentous Ecumenical Gangster



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