675 Mass Ave, Cambridge, MA 02139, USA.
*/
+#include <cmath>
+
+#include "pbd/convert.h"
+#include "pbd/strsplit.h"
+
+#include "evoral/Curve.hpp"
+
#include "ardour/dB.h"
#include "ardour/gain_control.h"
#include "ardour/session.h"
+#include "ardour/vca.h"
+#include "ardour/vca_manager.h"
-#include "i18n.h"
+#include "pbd/i18n.h"
using namespace ARDOUR;
using namespace std;
GainControl::GainControl (Session& session, const Evoral::Parameter ¶m, boost::shared_ptr<AutomationList> al)
- : AutomationControl (session, param, ParameterDescriptor(param),
- al ? al : boost::shared_ptr<AutomationList> (new AutomationList (param)),
- param.type() == GainAutomation ? X_("gaincontrol") : X_("trimcontrol")) {
-
+ : SlavableAutomationControl (session, param, ParameterDescriptor(param),
+ al ? al : boost::shared_ptr<AutomationList> (new AutomationList (param)),
+ param.type() == GainAutomation ? X_("gaincontrol") : X_("trimcontrol"),
+ Controllable::GainLike)
+{
alist()->reset_default (1.0);
lower_db = accurate_coefficient_to_dB (_desc.lower);
range_db = accurate_coefficient_to_dB (_desc.upper) - lower_db;
}
-void
-GainControl::set_value (double val, PBD::Controllable::GroupControlDisposition group_override)
-{
- if (writable()) {
- _set_value (val, group_override);
- }
-}
-
-void
-GainControl::set_value_unchecked (double val)
-{
- /* used only automation playback */
- _set_value (val, Controllable::NoGroup);
-}
-
-void
-GainControl::_set_value (double val, Controllable::GroupControlDisposition group_override)
-{
- AutomationControl::set_value (std::max (std::min (val, (double)_desc.upper), (double)_desc.lower), group_override);
- _session.set_dirty ();
-}
-
double
GainControl::internal_to_interface (double v) const
{
if (_desc.type == GainAutomation) {
- return gain_to_slider_position (v);
+ return gain_to_slider_position_with_max (v, _desc.upper);
} else {
return (accurate_coefficient_to_dB (v) - lower_db) / range_db;
}
GainControl::interface_to_internal (double v) const
{
if (_desc.type == GainAutomation) {
- return slider_position_to_gain (v);
+ return slider_position_to_gain_with_max (v, _desc.upper);
} else {
return dB_to_coefficient (lower_db + v * range_db);
}
return std::string(theBuf);
}
+void
+GainControl::inc_gain (gain_t factor)
+{
+ /* To be used ONLY when doing group-relative gain adjustment, from
+ * ControlGroup::set_group_values().
+ */
+
+ const float desired_gain = get_value ();
+
+ if (fabsf (desired_gain) < GAIN_COEFF_SMALL) {
+ // really?! what's the idea here?
+ actually_set_value (0.000001f + (0.000001f * factor), Controllable::ForGroup);
+ } else {
+ actually_set_value (desired_gain + (desired_gain * factor), Controllable::ForGroup);
+ }
+}
+
+void
+GainControl::post_add_master (boost::shared_ptr<AutomationControl> m)
+{
+ if (m->get_value() == 0) {
+ /* master is at -inf, which forces this ctrl to -inf on assignment */
+ Changed (false, Controllable::NoGroup); /* EMIT SIGNAL */
+ }
+}
+
+bool
+GainControl::get_masters_curve_locked (framepos_t start, framepos_t end, float* vec, framecnt_t veclen) const
+{
+ if (_masters.empty()) {
+ return list()->curve().rt_safe_get_vector (start, end, vec, veclen);
+ }
+ for (framecnt_t i = 0; i < veclen; ++i) {
+ vec[i] = 1.f;
+ }
+ return SlavableAutomationControl::masters_curve_multiply (start, end, vec, veclen);
+}