[XviD-devel] Changing the frequency of I-Frame

[Bryan Mayland]

Yong, Chee Yeew wrote:

>	I am interested in changing the frequency of the I-Frames generated
>by the XviD encoder. Is there an easy and/or 'accepted' way of doing this?
>  
>
    Just change the max_key_interval you pass in the encoding struct in 
enc_create.

>However, this may change the target bitrate, am I right?
>  
>
    Well it doesn't change your target bitrate, but yes I-frames take a 
significant chunk of bitrate so you'll end up with a more lossy encode 
for the same bitrate (assuming you don't have any headroom left).