167 lines
4.7 KiB
C++
167 lines
4.7 KiB
C++
/*
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* Copyright (C) 2009-2011 David Robillard <d@drobilla.net>
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* Copyright (C) 2009-2012 Carl Hetherington <carl@carlh.net>
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* Copyright (C) 2009-2017 Paul Davis <paul@linuxaudiosystems.com>
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* Copyright (C) 2013-2019 Robin Gareus <robin@gareus.org>
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* Copyright (C) 2018 Len Ovens <len@ovenwerks.net>
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*
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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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*
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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 along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef __ardour_delivery_h__
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#define __ardour_delivery_h__
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#include <string>
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#include "ardour/libardour_visibility.h"
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#include "ardour/types.h"
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#include "ardour/chan_count.h"
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#include "ardour/io_processor.h"
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#include "ardour/gain_control.h"
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namespace ARDOUR {
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class Amp;
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class BufferSet;
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class IO;
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class MuteMaster;
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class PannerShell;
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class Panner;
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class Pannable;
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class LIBARDOUR_API Delivery : public IOProcessor
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{
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public:
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enum Role {
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/* main outputs - delivers out-of-place to port buffers, and cannot be removed */
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Main = 0x1,
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/* send - delivers to port buffers, leaves input buffers untouched */
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Send = 0x2,
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/* insert - delivers to port buffers and receives in-place from port buffers */
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Insert = 0x4,
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/* listen - internal send used only to deliver to control/monitor bus */
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Listen = 0x8,
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/* aux - internal send used to deliver to any bus, by user request */
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Aux = 0x10,
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/* foldback - internal send used only to deliver to a personal monitor bus */
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Foldback = 0x20
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};
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static bool role_requires_output_ports (Role r) { return r == Main || r == Send || r == Insert; }
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bool does_routing() const { return true; }
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/* Delivery to an existing output */
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Delivery (Session& s, boost::shared_ptr<IO> io, boost::shared_ptr<Pannable>, boost::shared_ptr<MuteMaster> mm, const std::string& name, Role);
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/* Delivery to a new output owned by this object */
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Delivery (Session& s, boost::shared_ptr<Pannable>, boost::shared_ptr<MuteMaster> mm, const std::string& name, Role);
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~Delivery ();
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bool set_name (const std::string& name);
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std::string display_name() const;
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Role role() const { return _role; }
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bool can_support_io_configuration (const ChanCount& in, ChanCount& out);
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bool configure_io (ChanCount in, ChanCount out);
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void activate ();
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void deactivate ();
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void run (BufferSet& bufs, samplepos_t start_sample, samplepos_t end_sample, double speed, pframes_t nframes, bool);
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/* supplemental method used with MIDI */
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void flush_buffers (samplecnt_t nframes);
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void no_outs_cuz_we_no_monitor(bool);
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void non_realtime_transport_stop (samplepos_t now, bool flush);
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void realtime_locate (bool);
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BufferSet& output_buffers() { return *_output_buffers; }
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PBD::Signal0<void> MuteChange;
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int set_state (const XMLNode&, int version);
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/* Panning */
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static int disable_panners (void);
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static void reset_panners ();
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boost::shared_ptr<PannerShell> panner_shell() const { return _panshell; }
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boost::shared_ptr<Panner> panner() const;
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void set_gain_control (boost::shared_ptr<GainControl> gc);
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void set_polarity_control (boost::shared_ptr<AutomationControl> ac) {
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_polarity_control = ac;
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}
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void unpan ();
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void reset_panner ();
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void defer_pan_reset ();
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void allow_pan_reset ();
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uint32_t pans_required() const { return _configured_input.n_audio(); }
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virtual uint32_t pan_outs() const;
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boost::shared_ptr<GainControl> gain_control () const {
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return _gain_control;
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}
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boost::shared_ptr<AutomationControl> polarity_control () const {
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return _polarity_control;
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}
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boost::shared_ptr<Amp> amp() const {
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return _amp;
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}
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protected:
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XMLNode& state () const;
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Role _role;
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BufferSet* _output_buffers;
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gain_t _current_gain;
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boost::shared_ptr<PannerShell> _panshell;
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boost::shared_ptr<Amp> _amp;
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gain_t target_gain ();
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private:
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bool _no_outs_cuz_we_no_monitor;
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boost::shared_ptr<MuteMaster> _mute_master;
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boost::shared_ptr<GainControl> _gain_control;
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boost::shared_ptr<AutomationControl> _polarity_control;
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static bool panners_legal;
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static PBD::Signal0<void> PannersLegal;
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void panners_became_legal ();
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PBD::ScopedConnection panner_legal_c;
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void output_changed (IOChange, void*);
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bool _no_panner_reset;
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};
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} // namespace ARDOUR
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#endif // __ardour__h__
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