ardour/ardour
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GUI handling for live latency-measurement

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This commit is contained in:
Robin Gareus 2015-12-04 17:34:46 +01:00
parent 95f91d9dbd
commit 2529b9db96
2 changed files with 10 additions and 6 deletions
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14
gtk2_ardour/engine_dialog.cc
View File

@ -421,9 +421,9 @@ EngineControl::start_engine ()
}
bool
EngineControl::stop_engine ()
EngineControl::stop_engine (bool for_latency)
{
if (ARDOUR::AudioEngine::instance()->stop()) {
if (ARDOUR::AudioEngine::instance()->stop(for_latency)) {
MessageDialog msg(*this,
ARDOUR::AudioEngine::instance()->get_last_backend_error());
msg.run();
@ -2301,7 +2301,8 @@ EngineControl::push_state_to_backend (bool start)
/* determine if we need to stop the backend before changing parameters */
if (change_driver || change_device || change_channels || change_latency ||
if (change_driver || change_device || change_channels ||
(change_latency && !backend->can_change_systemic_latency_when_running ()) ||
(change_rate && !backend->can_change_sample_rate_when_running()) ||
change_midi ||
(change_bufsize && !backend->can_change_buffer_size_when_running())) {
@ -2379,6 +2380,10 @@ EngineControl::push_state_to_backend (bool start)
} else {
backend->set_midi_device_enabled ((*p)->name, false);
}
if (backend->can_change_systemic_latency_when_running ()) {
backend->set_systemic_midi_input_latency ((*p)->name, 0);
backend->set_systemic_midi_output_latency ((*p)->name, 0);
}
continue;
}
backend->set_midi_device_enabled ((*p)->name, (*p)->enabled);
@ -2630,8 +2635,7 @@ EngineControl::on_switch_page (GtkNotebookPage*, guint page_num)
/* latency tab */
if (ARDOUR::AudioEngine::instance()->running()) {
// TODO - mark as 'stopped for latency
stop_engine ();
stop_engine (true);
}
{

2
gtk2_ardour/engine_dialog.h
View File

@ -304,7 +304,7 @@ class EngineControl : public ArdourDialog, public PBD::ScopedConnectionList {
void post_push ();
void update_sensitivity ();
bool start_engine ();
bool stop_engine ();
bool stop_engine (bool for_latency = false);
/* latency measurement */
void latency_button_clicked ();