[MEncoder-users] x264 [warning]: non-strictly-monotonic PTS

Grozdan neutrino8 at gmail.com
Tue Apr 6 19:08:28 CEST 2010


On Tue, Apr 6, 2010 at 7:01 PM, Andrew Berg <bahamutzero8825 at gmail.com> wrote:
> With the latest build of x264, I keep getting this. From what I've read,
> videos with a constant frame rate should not be able to cause this
> error, which is odd since I don't have any VFR videos and in this
> particular instance, I even specify the frame rate. Is there any way to
> either suppress this message so it doesn't flood the terminal (-msglevel
> all=0 doesn't work, AFAIK only 2>/dev/null does) or prevent x264 from
> having a problem in the first place? I've seen suggestions to pass
> --force-cfr to x264, but AFAIK, it's impossible to pass arbitrary
> options to libx264 from MEncoder.

What? force_cfr in mencoder works just fine here. Mencoder just parses
available options from libx264 so all that are exposed in this lib
(and force_cfr surely is) can be taken by mencoder as well.

The latter is preferable, but since I
> haven't had problems with these same videos, the former is probably
> safe. I use tsMuxeR with the insertSEI and contSPS options to remux the
> videos since that helps other weird warnings from appearing.
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