2 Copyright (C) 2006 Paul Davis
4 This program is free software; you can redistribute it and/or modify it
5 under the terms of the GNU General Public License as published by the Free
6 Software Foundation; either version 2 of the License, or (at your option)
9 This program is distributed in the hope that it will be useful, but WITHOUT
10 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 You should have received a copy of the GNU General Public License along
15 with this program; if not, write to the Free Software Foundation, Inc.,
16 675 Mass Ave, Cambridge, MA 02139, USA.
19 #ifndef __ardour_delivery_h__
20 #define __ardour_delivery_h__
23 #include "ardour/types.h"
24 #include "ardour/chan_count.h"
25 #include "ardour/io_processor.h"
34 class Delivery : public IOProcessor {
37 /* main outputs - delivers out-of-place to port buffers, and cannot be removed */
39 /* send - delivers to port buffers, leaves input buffers untouched */
41 /* insert - delivers to port buffers and receives in-place from port buffers */
43 /* listen - internal send used only to deliver to control/monitor bus */
45 /* aux - internal send used to deliver to any bus, by user request */
49 static bool role_requires_output_ports (Role r) { return r == Main || r == Send || r == Insert; }
51 /* Delivery to an existing output */
53 Delivery (Session& s, boost::shared_ptr<IO> io, boost::shared_ptr<MuteMaster> mm, const std::string& name, Role);
54 Delivery (Session& s, boost::shared_ptr<IO> io, boost::shared_ptr<MuteMaster> mm, const XMLNode&);
56 /* Delivery to a new output owned by this object */
58 Delivery (Session& s, boost::shared_ptr<MuteMaster> mm, const std::string& name, Role);
59 Delivery (Session&, boost::shared_ptr<MuteMaster> mm, const XMLNode&);
61 bool set_name (const std::string& name);
62 std::string display_name() const;
64 Role role() const { return _role; }
65 bool can_support_io_configuration (const ChanCount& in, ChanCount& out) const;
66 bool configure_io (ChanCount in, ChanCount out);
68 void run (BufferSet& bufs, sframes_t start_frame, sframes_t end_frame, nframes_t nframes, bool);
70 /* supplemental method used with MIDI */
72 void flush (nframes_t nframes, nframes64_t time);
73 void transport_stopped ();
75 void no_outs_cuz_we_no_monitor(bool);
77 void set_solo_level (int32_t sl) { _solo_level = sl; }
78 void set_solo_isolated (bool yn) { _solo_isolated = yn; }
80 void cycle_start (nframes_t);
81 void increment_output_offset (nframes_t);
82 void transport_stopped (sframes_t frame);
84 BufferSet& output_buffers() { return *_output_buffers; }
86 sigc::signal<void> MuteChange;
88 static sigc::signal<void,nframes_t> CycleStart;
90 XMLNode& state (bool full);
91 int set_state (const XMLNode&, int version);
95 static int disable_panners (void);
96 static int reset_panners (void);
98 boost::shared_ptr<Panner> panner() const { return _panner; }
100 void reset_panner ();
101 void defer_pan_reset ();
102 void allow_pan_reset ();
104 uint32_t pans_required() const { return _configured_input.n_audio(); }
105 void start_pan_touch (uint32_t which);
106 void end_pan_touch (uint32_t which);
110 BufferSet* _output_buffers;
111 gain_t _current_gain;
112 nframes_t _output_offset;
113 bool _no_outs_cuz_we_no_monitor;
114 uint32_t _solo_level;
116 boost::shared_ptr<MuteMaster> _mute_master;
117 bool no_panner_reset;
118 boost::shared_ptr<Panner> _panner;
120 static bool panners_legal;
121 static sigc::signal<int> PannersLegal;
123 int panners_became_legal ();
124 sigc::connection panner_legal_c;
125 void output_changed (IOChange, void*);
127 gain_t target_gain ();
131 } // namespace ARDOUR
133 #endif // __ardour__h__