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/*
Copyright (C) 2002-2007 Paul Davis
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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef __ardour_bundle_h__
#define __ardour_bundle_h__
#include <string>
#include <vector>
#include <glibmm/threads.h>
#include <boost/shared_ptr.hpp>
#include "pbd/signals.h"
#include "ardour/data_type.h"
#include "ardour/chan_count.h"
namespace ARDOUR {
class AudioEngine;
/** A set of `channels', each of which is associated with 0 or more ports.
* Each channel has a name which can be anything useful, and a data type.
* Intended for grouping things like, for example, a buss' outputs.
* `Channel' is a rather overloaded term but I can't think of a better
* one right now.
*/
class LIBARDOUR_API Bundle : public PBD::ScopedConnectionList
{
public:
/// List of ports associated with a channel. We can't use a
/// PortSet because we might want to involve non-Ardour ports
/// (ie those without a Port object)
typedef std::vector<std::string> PortList;
struct Channel {
Channel (std::string n, DataType t) : name (n), type (t) {}
Channel (std::string n, DataType t, PortList p) : name (n), type (t), ports (p) {}
Channel (std::string n, DataType t, std::string const & p) : name (n), type (t) {
ports.push_back (p);
}
bool operator== (Channel const &o) const {
return name == o.name && type == o.type && ports == o.ports;
}
std::string name;
DataType type;
PortList ports;
};
Bundle (bool i = true);
Bundle (std::string const &, bool i = true);
Bundle (boost::shared_ptr<Bundle>);
virtual ~Bundle() {}
/** @return Number of channels that this Bundle has */
ChanCount nchannels () const;
/** @param Channel index.
* @return Ports associated with this channel.
*/
PortList const & channel_ports (uint32_t) const;
void add_channel (std::string const &, DataType);
void add_channel (std::string const &, DataType, std::string const &);
void add_channel (std::string const &, DataType, PortList);
std::string channel_name (uint32_t) const;
DataType channel_type (uint32_t) const;
void set_channel_name (uint32_t, std::string const &);
void add_port_to_channel (uint32_t, std::string);
void set_port (uint32_t, std::string);
void remove_port_from_channel (uint32_t, std::string);
void remove_ports_from_channel (uint32_t);
void remove_ports_from_channels ();
bool port_attached_to_channel (uint32_t, std::string);
bool offers_port (std::string) const;
bool offers_port_alone (std::string) const;
void remove_channel (uint32_t);
void remove_channels ();
void add_channels_from_bundle (boost::shared_ptr<Bundle>);
void connect (boost::shared_ptr<Bundle>, AudioEngine &);
void disconnect (boost::shared_ptr<Bundle>, AudioEngine &);
bool connected_to (boost::shared_ptr<Bundle>, AudioEngine &);
bool connected_to_anything (AudioEngine &);
bool has_same_ports (boost::shared_ptr<Bundle>) const;
uint32_t type_channel_to_overall (DataType, uint32_t) const;
uint32_t overall_channel_to_type (DataType, uint32_t) const;
void set_name (std::string const &);
/** @return Bundle name */
std::string name () const { return _name; }
void set_ports_are_inputs ();
void set_ports_are_outputs ();
bool ports_are_inputs () const { return _ports_are_inputs; }
bool ports_are_outputs () const { return !_ports_are_inputs; }
void suspend_signals ();
void resume_signals ();
bool operator== (Bundle const & other);
/** Things that might change about this bundle */
enum Change {
NameChanged = 0x1, ///< the bundle name or a channel name has changed
ConfigurationChanged = 0x2, ///< the number of channels has changed
PortsChanged = 0x4, ///< the port list associated with one of our channels has changed
TypeChanged = 0x8, ///< the data type has changed
DirectionChanged = 0x10 ///< the direction (whether ports are inputs or outputs) has changed
};
PBD::Signal1<void,Change> Changed;
protected:
/// mutex for _channel_ports and _channel_names
/// XXX: is this necessary?
mutable Glib::Threads::Mutex _channel_mutex;
std::vector<Channel> _channel;
private:
int set_channels (std::string const &);
int parse_io_string (std::string const &, std::vector<std::string> &);
void emit_changed (Change);
std::string _name;
bool _ports_are_inputs;
bool _signals_suspended;
Change _pending_change;
};
class LIBARDOUR_API BundleChannel
{
public:
BundleChannel () : channel (-1) {}
BundleChannel (boost::shared_ptr<Bundle> b, int c)
: bundle (b), channel (c) {}
bool operator== (BundleChannel const& other) const {
return bundle == other.bundle && channel == other.channel;
}
bool operator!= (BundleChannel const& other) const {
return bundle != other.bundle || channel != other.channel;
}
boost::shared_ptr<Bundle> bundle;
int channel; ///< channel index, or -1 for "all"
};
}
std::ostream & operator<< (std::ostream & o, ARDOUR::Bundle const &);
#endif /* __ardour_bundle_h__ */
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