internal_send.h

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/*
 * Copyright (C) 2009-2011 David Robillard <d@drobilla.net>
 * Copyright (C) 2009-2012 Carl Hetherington <carl@carlh.net>
 * Copyright (C) 2009-2017 Paul Davis <paul@linuxaudiosystems.com>
 * Copyright (C) 2013-2017 Robin Gareus <robin@gareus.org>
 * Copyright (C) 2018 Len Ovens <len@ovenwerks.net>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
#pragma once
 
#include "ardour/ardour.h"
#include "ardour/send.h"
 
namespace ARDOUR {
 
class LIBARDOUR_API InternalSend : public Send
{
public:
        InternalSend (Session&, std::shared_ptr<Pannable>, std::shared_ptr<MuteMaster>, std::shared_ptr<Route> send_from, std::shared_ptr<Route> send_to, Delivery::Role role = Delivery::Aux, bool ignore_bitslot = false);
        virtual ~InternalSend ();
 
        std::string display_name() const;
        bool set_name (const std::string&);
        bool visible() const;
 
        int set_state(const XMLNode& node, int version);
 
        void cycle_start (pframes_t);
        void run (BufferSet& bufs, samplepos_t start_sample, samplepos_t end_sample, double speed, pframes_t nframes, bool);
        bool feeds (std::shared_ptr<Route> other) const;
        bool can_support_io_configuration (const ChanCount& in, ChanCount& out);
        bool configure_io (ChanCount in, ChanCount out);
        int  set_block_size (pframes_t);
 
        std::shared_ptr<Route> source_route() const { return _send_from; }
        std::shared_ptr<Route> target_route() const { return _send_to; }
        const PBD::ID& target_id() const { return _send_to_id; }
 
        BufferSet const & get_buffers () const {
                return mixbufs;
        }
 
        bool allow_feedback () const { return _allow_feedback;}
        void set_allow_feedback (bool yn);
 
        void set_can_pan (bool yn);
        uint32_t pan_outs () const;
 
        static PBD::Signal<void(pframes_t)> CycleStart;
 
protected:
        XMLNode& state() const;
 
private:
        BufferSet mixbufs;
        std::shared_ptr<Route> _send_from;
        std::shared_ptr<Route> _send_to;
        bool _allow_feedback;
        PBD::ID _send_to_id;
        PBD::ScopedConnection connect_c;
        PBD::ScopedConnection source_connection;
        PBD::ScopedConnectionList target_connections;
 
        void send_from_going_away ();
        void send_to_going_away ();
        void send_to_property_changed (const PBD::PropertyChange&);
        int  after_connect ();
        void init_gain ();
        int  use_target (std::shared_ptr<Route>, bool update_name = true);
        void target_io_changed ();
        void ensure_mixbufs ();
 
        void propagate_solo ();
};
 
} // namespace ARDOUR