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8d3a8ca913
Classes derived from AutomationControl now check ::writable() in their ::set_value() methods to ensure that they do not attempt to overwrite data sent to them while automation playback is underway.
76 lines
1.9 KiB
C++
76 lines
1.9 KiB
C++
/*
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Copyright (C) 2011 Paul Davis
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include "ardour/pannable.h"
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#include "ardour/panner.h"
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#include "ardour/pan_controllable.h"
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using namespace ARDOUR;
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double
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PanControllable::lower () const
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{
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switch (parameter().type()) {
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case PanWidthAutomation:
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return -1.0;
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default:
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return 0.0;
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}
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}
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void
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PanControllable::set_value (double v)
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{
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if (writable()) {
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set_value_unchecked (v);
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}
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}
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void
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PanControllable::set_value_unchecked (double v)
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{
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boost::shared_ptr<Panner> p = owner->panner();
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if (!p) {
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/* no panner: just do it */
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AutomationControl::set_value (v);
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return;
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}
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bool can_set = false;
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switch (parameter().type()) {
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case PanWidthAutomation:
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can_set = p->clamp_width (v);
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break;
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case PanAzimuthAutomation:
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can_set = p->clamp_position (v);
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break;
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case PanElevationAutomation:
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can_set = p->clamp_elevation (v);
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break;
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default:
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break;
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}
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if (can_set) {
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AutomationControl::set_value (v);
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}
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}
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