142 lines
4.2 KiB
C++
142 lines
4.2 KiB
C++
/*
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* Copyright (C) 2006-2009 David Robillard <d@drobilla.net>
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* Copyright (C) 2007-2017 Paul Davis <paul@linuxaudiosystems.com>
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* Copyright (C) 2009-2012 Carl Hetherington <carl@carlh.net>
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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_send_h__
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#define __ardour_send_h__
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#include <string>
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#include "pbd/stateful.h"
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#include "ardour/ardour.h"
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#include "ardour/delivery.h"
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namespace ARDOUR {
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class PeakMeter;
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class Amp;
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class GainControl;
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class DelayLine;
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/** Internal Abstraction for Sends (and MixbusSends) */
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class LIBARDOUR_API LatentSend
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{
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public:
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LatentSend ();
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virtual ~LatentSend() {}
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samplecnt_t get_delay_in () const { return _delay_in; }
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samplecnt_t get_delay_out () const { return _delay_out; }
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/* should only be called by Route::update_signal_latency */
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virtual void set_delay_in (samplecnt_t) = 0;
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/* should only be called by InternalReturn::set_playback_offset
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* (via Route::update_signal_latency)
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*/
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virtual void set_delay_out (samplecnt_t, size_t bus = 0) = 0;
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virtual void update_delaylines (bool rt_ok) = 0;
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static PBD::Signal0<void> ChangedLatency;
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static PBD::Signal0<void> QueueUpdate;
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protected:
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samplecnt_t _delay_in;
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samplecnt_t _delay_out;
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};
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class LIBARDOUR_API Send : public Delivery, public LatentSend
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{
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public:
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Send (Session&, boost::shared_ptr<Pannable> pannable, boost::shared_ptr<MuteMaster>, Delivery::Role r = Delivery::Send, bool ignore_bitslot = false);
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virtual ~Send ();
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bool display_to_user() const;
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bool is_foldback () const { return _role == Foldback; }
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boost::shared_ptr<Amp> amp() const { return _amp; }
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boost::shared_ptr<PeakMeter> meter() const { return _meter; }
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boost::shared_ptr<GainControl> gain_control() const { return _gain_control; }
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bool metering() const { return _metering; }
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void set_metering (bool yn) { _metering = yn; }
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int set_state(const XMLNode&, int version);
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PBD::Signal0<void> SelfDestruct;
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void set_remove_on_disconnect (bool b) { _remove_on_disconnect = b; }
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bool remove_on_disconnect () const { return _remove_on_disconnect; }
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bool has_panner () const;
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bool panner_linked_to_route () const;
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void set_panner_linked_to_route (bool);
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uint32_t pans_required() const { return _configured_input.n_audio(); }
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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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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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/* latency compensation */
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void set_delay_in (samplecnt_t);
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void set_delay_out (samplecnt_t, size_t bus = 0);
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samplecnt_t get_delay_in () const { return _delay_in; }
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samplecnt_t get_delay_out () const { return _delay_out; }
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samplecnt_t signal_latency () const;
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void activate ();
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void deactivate ();
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void update_delaylines (bool rt_ok);
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bool set_name (const std::string& str);
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static std::string name_and_id_new_send (Session&, Delivery::Role r, uint32_t&, bool);
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protected:
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XMLNode& state () const;
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bool _metering;
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boost::shared_ptr<GainControl> _gain_control;
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boost::shared_ptr<Amp> _amp;
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boost::shared_ptr<PeakMeter> _meter;
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boost::shared_ptr<DelayLine> _send_delay;
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boost::shared_ptr<DelayLine> _thru_delay;
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private:
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/* disallow copy construction */
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Send (const Send&);
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void panshell_changed ();
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void pannable_changed ();
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void snd_output_changed (IOChange, void*);
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int set_state_2X (XMLNode const &, int);
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bool _remove_on_disconnect;
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};
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} // namespace ARDOUR
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#endif /* __ardour_send_h__ */
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