Add polarity-invert processor
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/*
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* Copyright (C) 2017 Robin Gareus <robin@gareus.org>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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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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*
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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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#ifndef _ardour_polarity_processor_h__
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#define _ardour_polarity_processor_h__
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#include "ardour/processor.h"
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#include "ardour/types.h"
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namespace ARDOUR {
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class LIBARDOUR_API PolarityProcessor : public Processor
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{
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public:
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PolarityProcessor (Session&, boost::shared_ptr<PhaseControl>);
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bool display_to_user() const { return false; }
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void run (BufferSet& bufs, samplepos_t start_sample, samplepos_t end_sample, double speed, pframes_t nframes, bool result_required);
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bool configure_io (ChanCount in, ChanCount out);
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bool can_support_io_configuration (const ChanCount& in, ChanCount& out);
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boost::shared_ptr<PhaseControl> phase_control() {
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return _control;
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}
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protected:
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XMLNode& state ();
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private:
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boost::shared_ptr<PhaseControl> _control;
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};
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}
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#endif
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@ -61,6 +61,7 @@
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#include "ardour/playlist.h"
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#include "ardour/plugin.h"
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#include "ardour/plugin_insert.h"
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#include "ardour/polarity_processor.h"
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#include "ardour/port_manager.h"
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#include "ardour/progress.h"
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#include "ardour/runtime_functions.h"
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@ -1335,6 +1336,7 @@ LuaBindings::common (lua_State* L)
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.addCast<PeakMeter> ("to_peakmeter")
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.addCast<MonitorProcessor> ("to_monitorprocessor")
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.addCast<Send> ("to_send")
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.addCast<PolarityProcessor> ("to_polarityprocessor")
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#if 0 // those objects are not yet bound
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.addCast<CapturingProcessor> ("to_capturingprocessor")
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.addCast<DelayLine> ("to_delayline")
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@ -1542,6 +1544,9 @@ LuaBindings::common (lua_State* L)
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.deriveWSPtrClass <UnknownProcessor, Processor> ("UnknownProcessor")
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.endClass ()
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.deriveWSPtrClass <PolarityProcessor, Processor> ("PolarityProcessor")
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.endClass ()
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.deriveWSPtrClass <PluginInsert::PluginControl, AutomationControl> ("PluginControl")
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.endClass ()
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@ -0,0 +1,80 @@
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/*
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* Copyright (C) 2017 Robin Gareus <robin@gareus.org>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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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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*
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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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#include "ardour/audio_buffer.h"
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#include "ardour/phase_control.h"
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#include "ardour/polarity_processor.h"
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#include "pbd/i18n.h"
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using namespace ARDOUR;
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using namespace PBD;
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PolarityProcessor::PolarityProcessor (Session& s, boost::shared_ptr<PhaseControl> control)
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: Processor(s, "Polarity")
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, _control (control)
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{
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}
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bool
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PolarityProcessor::can_support_io_configuration (const ChanCount& in, ChanCount& out)
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{
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out = in;
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return true;
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}
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bool
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PolarityProcessor::configure_io (ChanCount in, ChanCount out)
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{
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if (out != in) { // always 1:1
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return false;
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}
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return Processor::configure_io (in, out);
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}
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void
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PolarityProcessor::run (BufferSet& bufs, samplepos_t /*start_sample*/, samplepos_t /*end_sample*/, double /*speed*/, pframes_t nframes, bool)
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{
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if (!_active && !_pending_active) {
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return;
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}
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_active = _pending_active;
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if (_control->none()) {
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return;
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}
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int chn = 0;
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for (BufferSet::audio_iterator i = bufs.audio_begin(); i != bufs.audio_end(); ++i, ++chn) {
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Sample* const sp = i->data();
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if (_control->inverted (chn)) {
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for (pframes_t nx = 0; nx < nframes; ++nx) {
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sp[nx] = -sp[nx];
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}
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}
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}
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}
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XMLNode&
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PolarityProcessor::state ()
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{
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XMLNode& node (Processor::state ());
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node.set_property("type", "polarity");
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return node;
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}
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@ -168,6 +168,7 @@ libardour_sources = [
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'plugin.cc',
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'plugin_insert.cc',
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'plugin_manager.cc',
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'polarity_processor.cc',
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'port.cc',
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'port_insert.cc',
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'port_manager.cc',
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