offset automation by processor latency for bouncing/freezing

the same remains to be done for general route processing

diff --git a/libs/ardour/route.cc b/libs/ardour/route.cc
index 0df06edcfc918d96fca7be10d9ed75fa5908b3da..bca3ea9c54ceb99fc245a7fdacbfbfeec94f6683 100644 (file)
--- a/libs/ardour/route.cc
+++ b/libs/ardour/route.cc
@@ -562,9 +562,12 @@ Route::bounce_process (BufferSet& buffers, framepos_t start, framecnt_t nframes,
                return;
        }
 
+       // TODO cache this value.
+       framecnt_t latency = bounce_get_latency(_amp, false, for_export, for_freeze);
        _amp->set_gain_automation_buffer (_session.gain_automation_buffer ());
-       _amp->setup_gain_automation (start, start + nframes, nframes);
+       _amp->setup_gain_automation (start - latency, start - latency + nframes, nframes);
 
+       latency = 0;
        for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
 
                if (!include_endpoint && (*i) == endpoint) {
@@ -583,8 +586,9 @@ Route::bounce_process (BufferSet& buffers, framepos_t start, framecnt_t nframes,
                 * oh, and don't bother with the peak meter either.
                 */
                if (!(*i)->does_routing() && !boost::dynamic_pointer_cast<PeakMeter>(*i)) {
-                       (*i)->run (buffers, start, start+nframes, nframes, true);
+                       (*i)->run (buffers, start - latency, start - latency + nframes, nframes, true);
                        buffers.set_count ((*i)->output_streams());
+                       latency += (*i)->signal_latency ();
                }
 
                if ((*i) == endpoint) {