smokephil/ardour
1
0
Fork 0
mirror of https://github.com/Ardour/ardour.git synced 2025-12-07 15:25:01 +01:00
Code Issues Projects Releases Wiki Activity

make use of measured latency values to set dialog controls, and use actual port latency to compute extra delay

Browse source
This commit is contained in:
Paul Davis 2013-09-11 13:02:32 -04:00
parent 18c4c9656a
commit 91e2eab01a
4 changed files with 35 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

23
gtk2_ardour/engine_dialog.cc
View file

@ -249,6 +249,7 @@ and microphone.\n\n\
xopt = AttachOptions(0);
lm_measure_button.signal_toggled().connect (sigc::mem_fun (*this, &EngineControl::latency_button_toggled));
lm_use_button.signal_clicked().connect (sigc::mem_fun (*this, &EngineControl::use_latency_button_clicked));
lm_use_button.set_sensitive (false);
lm_table.attach (lm_measure_button, 0, 2, row, row+1, xopt, (AttachOptions) 0);
@ -972,7 +973,10 @@ EngineControl::check_latency_measurement ()
return false;
}
snprintf (buf, sizeof (buf), "%10.3lf frames %10.3lf ms", mtdm->del (), mtdm->del () * 1000.0f/sample_rate);
uint32_t frames_total = mtdm->del();
uint32_t extra = frames_total - ARDOUR::AudioEngine::instance()->latency_signal_delay();
snprintf (buf, sizeof (buf), "%u samples %10.3lf ms", extra, extra * 1000.0f/sample_rate);
bool solid = true;
@ -1016,3 +1020,20 @@ EngineControl::latency_button_toggled ()
update_latency_display ();
}
}
void
EngineControl::use_latency_button_clicked ()
{
MTDM* mtdm = ARDOUR::AudioEngine::instance()->mtdm ();
if (!mtdm) {
return;
}
uint32_t frames_total = mtdm->del();
uint32_t extra = frames_total - ARDOUR::AudioEngine::instance()->latency_signal_delay();
uint32_t one_way = extra/2;
input_latency_adjustment.set_value (one_way);
output_latency_adjustment.set_value (one_way);
}