[x264-devel] Intra-refresh usage for error resilence

[BugMaster]

On Fri, 27 Dec 2013 14:59:35 +0530, Karthick Kumar wrote:
> I'm trying to use intra-refresh to avoid glitches during packet loss.
> When I enabled the periodic intra refresh, a vertical column moves
> slowly from left to right in the video. After this refresh, only few
> glitches are corrected.  Even with just 1% packet loss, 60-70%
> glitches are still present after the refresh. But in the following link,
> x264dev.multimedia.cx/archives/249
> the intra refresh feature can be used upto 25% packet loss. Am I
> using intra refresh correctly with the command:
> --preset veryfast --tune zerolatency --keyint 150 --fps 30
> --vbv-maxrate 5000 --vbv-bufsize 3000 --intra-refresh.
>  In other words, how to use intra refresh to add error resilence during packet loss?
>  Thanks,
> Karthick.

Hi. If you still have artefacts after full frame refresh (full cycle
of updating vertical column) and there was no new packet loss during
this update than make sure that you use new enough libx264 (revision
2349 or newer) and that you decoder [libav/ffmpeg] is also not
outdated.