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Cont'd work on track->track bounce alignment

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see also e58c312420
This commit is contained in:
Robin Gareus 2022-03-11 21:19:26 +01:00
parent f60c078805
commit d5ee0342a2
Signed by: rgareus
GPG Key ID: A090BCE02CF57F04
1 changed files with 13 additions and 2 deletions
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15
libs/ardour/route.cc
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@ -4367,12 +4367,23 @@ Route::update_signal_latency (bool apply_to_delayline, bool* delayline_update_ne
samplecnt_t play_lat_out = _output->connected_latency (true);
samplecnt_t in_latency = _input->latency ();
/* When the track's output is not connected, align it to master-out.
/* When the track's output is not connected, align it to master-bus
* (as if it would be connected to master-in).
* Effectively we want to configure all latent-sends to not introduce any latency.
* Since the output is not used, Send::_thru_delay is not relevant, and
* Send->effective_latency () should return zero.
*/
_output_latency = output_effectively_connected () ? _output->latency () : (_session.master_out() ? _session.master_out()->output ()->latency () : 0);
if (output_effectively_connected ()) {
_output_latency = _output->latency ();
} else if (_session.master_out ()) {
/* We cannot use `_session.master_out()->input()->latency()` because that would return capture latency.
* Also in case of Mixbus, the master-bus does not have any inputs.
* So we propagate playback latency from master-out as Route::update_port_latencies() would do.
*/
_output_latency = _session.master_out()->output ()->latency () + _session.master_out()->signal_latency ();
} else {
_output_latency = 0;
}
Glib::Threads::RWLock::ReaderLock lm (_processor_lock);