[ardour-dev] Latency Pre-preempt.

[Mark Knecht]

On Apr 2, 2005 10:10 AM, philicorda <philicorda at ntlworld.com> wrote:
> After reading the discussions here recently about how Ardour cues tracks
> in advance to deal with plugin latency, I tried an experiment with the
> swh artificial latency plugin.
> 
> By increasing the plugin latency of a bus to twenty minutes or so, and
> inverting the plugin delay compensation, Ardour cued the tracks so far
> in advance that it began playing audio that had not yet been recorded.
> 
> This is very useful when you don't know how a take will go, as you can
> hear it before playing it. Unfortunately, you will always play the take
> you heard, as otherwise you could not have heard it in advance to have
> played it before you heard it played back the first time it was played
> in advance beforehand, or otherwise the first playback could not have
> been played beforehand in advance.
> 
> The only problem I've found is that if I try and do an overdub when
> playing along with a negative latency track I'm intending to record I
> get:
> 
> Gdk-CRITICAL **: file gdkgc.c: line 288 (gdk_gc_unref): assertion `gc !=
> NULL' will fail tomorrow.
> Gdk-CRITICAL **: file gdkgc.c: line 289 (gdk_gc_unref): assertion `gc !=
> NULL' will fail tomorrow.
> [SEGFAULT] -CAUSALITY ERROR 4###00008
> 
> and Ardour crashes. Would increasing the buffer size help here?

Damn, this is good stuff!

Thanks,
Mark