[x264-devel] Re: the difference between IDR and I frames

[Mathieu Monnier]

 > IDR frame "breaks" the stream, ensuring that later frames don't
 > point to frames before the IDR frame. So, you need IDR frames
 > to seek to.

Not quite. IDR prevents also open gop ( because it flushes the DPB 
removing the reference for the previous B frame ), while open gop 
doesn't prevent seeking. That's why you can insert SEI messages telling 
that a I not IDR can be used as recovery point.

Regards,

Mathieu

-- 
This is the x264-devel mailing-list
To unsubscribe, go to: http://developers.videolan.org/lists.html