2 Copyright (C) 2002-2007 Paul Davis
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 #ifndef __ardour_bundle_h__
21 #define __ardour_bundle_h__
25 #include <glibmm/thread.h>
26 #include <boost/shared_ptr.hpp>
28 #include "pbd/scoped_connections.h"
30 #include "ardour/data_type.h"
36 /** A set of `channels', each of which is associated with 0 or more ports.
37 * Each channel has a name which can be anything useful.
38 * Intended for grouping things like, for example, a buss' outputs.
39 * `Channel' is a rather overloaded term but I can't think of a better
42 class Bundle : public PBD::ScopedConnectionList
46 /// List of ports associated with a channel. We can't use a
47 /// PortSet because we might want to involve non-Ardour ports
48 /// (ie those without a Port object)
49 typedef std::vector<std::string> PortList;
52 Channel (std::string n) : name (n) {}
54 bool operator== (Channel const &o) const {
55 return name == o.name && ports == o.ports;
62 Bundle (bool i = true);
63 Bundle (std::string const &, bool i = true);
64 Bundle (std::string const &, DataType, bool i = true);
65 Bundle (boost::shared_ptr<Bundle>);
69 /** @return Number of channels that this Bundle has */
70 uint32_t nchannels () const;
72 /** @param Channel index.
73 * @return Ports associated with this channel.
75 PortList const & channel_ports (uint32_t) const;
77 void add_channel (std::string const &);
78 std::string channel_name (uint32_t) const;
79 void set_channel_name (uint32_t, std::string const &);
80 void add_port_to_channel (uint32_t, std::string);
81 void set_port (uint32_t, std::string);
82 void remove_port_from_channel (uint32_t, std::string);
83 void remove_ports_from_channel (uint32_t);
84 void remove_ports_from_channels ();
85 bool port_attached_to_channel (uint32_t, std::string);
86 bool uses_port (std::string) const;
87 bool offers_port_alone (std::string) const;
88 void remove_channel (uint32_t);
89 void remove_channels ();
90 void add_channels_from_bundle (boost::shared_ptr<Bundle>);
91 void connect (boost::shared_ptr<Bundle>, AudioEngine &);
92 void disconnect (boost::shared_ptr<Bundle>, AudioEngine &);
93 bool connected_to (boost::shared_ptr<Bundle>, AudioEngine &);
94 bool has_same_ports (boost::shared_ptr<Bundle>) const;
96 void set_name (std::string const &);
98 /** @return Bundle name */
99 std::string name () const { return _name; }
101 void set_type (DataType);
103 /** @return Type of the ports in this Bundle. */
104 DataType type () const { return _type; }
106 void set_ports_are_inputs ();
107 void set_ports_are_outputs ();
108 bool ports_are_inputs () const { return _ports_are_inputs; }
109 bool ports_are_outputs () const { return !_ports_are_inputs; }
111 void suspend_signals ();
112 void resume_signals ();
114 /** Things that might change about this bundle */
116 NameChanged = 0x1, ///< the bundle name or a channel name has changed
117 ConfigurationChanged = 0x2, ///< the number of channels has changed
118 PortsChanged = 0x4, ///< the port list associated with one of our channels has changed
119 TypeChanged = 0x8, ///< the data type has changed
120 DirectionChanged = 0x10 ///< the direction (whether ports are inputs or outputs) has changed
123 boost::signals2::signal<void(Change)> Changed;
127 /// mutex for _channel_ports and _channel_names
128 /// XXX: is this necessary?
129 mutable Glib::Mutex _channel_mutex;
130 std::vector<Channel> _channel;
133 int set_channels (std::string const &);
134 int parse_io_string (std::string const &, std::vector<std::string> &);
135 void emit_changed (Change);
139 bool _ports_are_inputs;
141 bool _signals_suspended;
142 Change _pending_change;
149 BundleChannel () : channel (-1) {}
151 BundleChannel (boost::shared_ptr<Bundle> b, int c)
152 : bundle (b), channel (c) {}
154 bool operator== (BundleChannel const& other) const {
155 return bundle == other.bundle && channel == other.channel;
158 bool operator!= (BundleChannel const& other) const {
159 return bundle != other.bundle || channel != other.channel;
162 boost::shared_ptr<Bundle> bundle;
163 int channel; ///< channel index, or -1 for "all"
168 #endif /* __ardour_bundle_h__ */