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Fix Latency Measurement without device re-start 

This handles a case when the engine was started normally
(not for latency measurement), and measurement is performed later.
This resulted in a duplicate backend start
This commit is contained in:
Robin Gareus 2019-09-20 19:38:34 +02:00
parent 4d2ccdd905
commit 467795f467
Signed by: rgareus
GPG Key ID: A090BCE02CF57F04
2 changed files with 5 additions and 2 deletions
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6
libs/ardour/audioengine.cc
View File

@ -898,6 +898,10 @@ AudioEngine::start (bool for_latency)
return -1;
}
if (_running && _backend->can_change_systemic_latency_when_running()) {
_started_for_latency = for_latency;
}
if (_running) {
return 0;
}
@ -963,7 +967,7 @@ AudioEngine::stop (bool for_latency)
if (for_latency && _backend->can_change_systemic_latency_when_running()) {
stop_engine = false;
if (_running) {
if (_running && _started_for_latency) {
_backend->start (false); // keep running, reload latencies
}
} else {

1
libs/ardour/graph.cc
View File

@ -110,7 +110,6 @@ Graph::reset_thread_list ()
/* For now, we shouldn't be using the graph code if we only have 1 DSP thread */
assert (num_threads > 1);
assert (AudioEngine::instance ()->process_thread_count () == n_workers);
/* don't bother doing anything here if we already have the right
* number of threads.