allow ardour to use the (hard) maximum number of open files (this one's for you essej)

git-svn-id: svn://localhost/ardour2/branches/2.0-ongoing@3044 d708f5d6-7413-0410-9779-e7cbd77b26cf

1 files changed, 9 insertions, 5 deletions

diff --git a/libs/ardour/route.cc b/libs/ardour/route.cc
index 95571bd3da..0ff6a02799 100644
--- a/libs/ardour/route.cc
+++ b/libs/ardour/route.cc
@@ -2194,7 +2194,7 @@ Route::handle_transport_stopped (bool abort_ignored, bool did_locate, bool can_f
 		Glib::RWLock::ReaderLock lm (redirect_lock);
 
 		if (!did_locate) {
-			automation_snapshot (now);
+			automation_snapshot (now, true);
 		}
 
 		for (RedirectList::iterator i = _redirects.begin(); i != _redirects.end(); ++i) {
@@ -2301,7 +2301,7 @@ Route::roll (nframes_t nframes, nframes_t start_frame, nframes_t end_frame, nfra
 		if (lm.locked()) {
 			// automation snapshot can also be called from the non-rt context
 			// and it uses the redirect list, so we take the lock out here
-			automation_snapshot (_session.transport_frame());
+			automation_snapshot (_session.transport_frame(), false);
 		}
 	}
 
@@ -2442,12 +2442,16 @@ Route::set_latency_delay (nframes_t longest_session_latency)
 }
 
 void
-Route::automation_snapshot (nframes_t now)
+Route::automation_snapshot (nframes_t now, bool force)
 {
-	IO::automation_snapshot (now);
+	if (!force && !should_snapshot(now)) {
+		return;
+	}
+
+	IO::automation_snapshot (now, force);
 
 	for (RedirectList::iterator i = _redirects.begin(); i != _redirects.end(); ++i) {
-		(*i)->automation_snapshot (now);
+		(*i)->automation_snapshot (now, force);
 	}
 }