[x264-devel] Re: -b-pyramid parameter

Guillaume POIRIER poirierg at gmail.com
Tue Nov 21 14:59:03 CET 2006


Hi,

On 11/21/06, Son Minh Tran <son-minh.tran at int-evry.fr> wrote:
> Dear all,
> I would like to know more about the option -b-pyramid. As I understand,
> it makes available the new feature of h264: frame B can be also used as
> reference frame. But whenever I use this option, the coded results
> (according to the verbose information written out on the console)
> contain no more B frames? Why does it happen this way? Is it a bug of
> writting out  the information or a quick implementation of reference B
> frames (can be considered as P frames)
> Thank you for your clarification

I assume that you also need to set --bframes to smth >= 0 (there's 0
per default).


Guillaume (who's happy that he recently got his code merged ^^ )

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