[FFmpeg-devel] [PATCH] libx264: Add option to force IDR frames

[Carl Eugen Hoyos]

Hendrik Leppkes <h.leppkes <at> gmail.com> writes:

> Whats the other reason for forcing a keyframe, ie. 
> why don't we always set IDR?

I don't know if x264 supports it (and I wanted to ask) 
but h264 reference frames can be older than the last 
I-frame (but not older than the last IDR-frame).
The I-frame is no recovery point in that case iiuc.

Carl Eugen