diff options
Diffstat (limited to 'libs/ardour/session_process.cc')
| -rw-r--r-- | libs/ardour/session_process.cc | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/libs/ardour/session_process.cc b/libs/ardour/session_process.cc index a7db77c716..32c8f99734 100644 --- a/libs/ardour/session_process.cc +++ b/libs/ardour/session_process.cc @@ -311,6 +311,22 @@ Session::process_with_events (pframes_t nframes) ns = std::min ((samplecnt_t)nframes, _count_in_samples); } + boost::shared_ptr<RouteList> r = routes.reader (); + for (RouteList::iterator i = r->begin(); i != r->end(); ++i) { + samplecnt_t route_offset = (*i)->playback_latency (); + if (_remaining_latency_preroll > route_offset + ns) { + /* route will no-roll for complete pre-roll cycle */ + continue; + } + if (_remaining_latency_preroll > route_offset) { + /* route may need partial no-roll and partial roll from + * (_transport_sample - _remaining_latency_preroll) .. +ns. + * shorten and split the cycle. + */ + ns = std::min (ns, (_remaining_latency_preroll - route_offset)); + } + } + if (_count_in_samples > 0) { run_click (_transport_sample - _count_in_samples, ns); assert (_count_in_samples >= ns); |