refactor shared PortEngine implementation from AlsaAudioBackend
This commit is contained in:
Paul Davis
188
libs/ardour/ardour/port_engine_shared.h
Normal file
188
libs/ardour/ardour/port_engine_shared.h
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@@ -0,0 +1,188 @@
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/*
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* Copyright (C) 2014-2019 Robin Gareus <robin@gareus.org>
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* Copyright (C) 2015-2020 Paul Davis <paul@linuxaudiosystems.com>
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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 __libardour_port_engine_shared_h__
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#define __libardour_port_engine_shared_h__
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#include <map>
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#include <set>
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#include <string>
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#include <vector>
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#include <boost/shared_ptr.hpp>
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#include "pbd/natsort.h"
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#include "pbd/rcu.h"
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#include "ardour/types.h"
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#include "ardour/port_engine.h"
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namespace ARDOUR {
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class PortEngineSharedImpl;
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class PortManager;
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class BackendPort
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{
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protected:
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BackendPort (PortEngineSharedImpl &b, const std::string&, PortFlags);
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public:
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virtual ~BackendPort ();
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const std::string& name () const { return _name; }
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const std::string& pretty_name () const { return _pretty_name; }
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PortFlags flags () const { return _flags; }
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int set_name (const std::string &name) { _name = name; return 0; }
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int set_pretty_name (const std::string &name) { _pretty_name = name; return 0; }
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virtual DataType type () const = 0;
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bool is_input () const { return flags () & IsInput; }
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bool is_output () const { return flags () & IsOutput; }
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bool is_physical () const { return flags () & IsPhysical; }
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bool is_terminal () const { return flags () & IsTerminal; }
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bool is_connected () const { return _connections.size () != 0; }
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bool is_connected (const BackendPort *port) const;
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bool is_physically_connected () const;
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const std::set<BackendPort *>& get_connections () const { return _connections; }
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int connect (BackendPort *port);
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int disconnect (BackendPort *port);
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void disconnect_all ();
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virtual void* get_buffer (pframes_t nframes) = 0;
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const LatencyRange latency_range (bool for_playback) const
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{
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return for_playback ? _playback_latency_range : _capture_latency_range;
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}
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void set_latency_range (const LatencyRange &latency_range, bool for_playback);
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void update_connected_latency (bool for_playback);
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private:
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PortEngineSharedImpl &_backend;
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std::string _name;
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std::string _pretty_name;
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const PortFlags _flags;
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LatencyRange _capture_latency_range;
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LatencyRange _playback_latency_range;
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std::set<BackendPort*> _connections;
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void _connect (BackendPort* , bool);
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void _disconnect (BackendPort* , bool);
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}; // class BackendPort
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class PortEngineSharedImpl
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{
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public:
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PortEngineSharedImpl (PortManager& mgr, std::string const & instance_name);
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virtual ~PortEngineSharedImpl();
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/* Discovering physical ports */
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bool port_is_physical (PortEngine::PortHandle) const;
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void get_physical_outputs (DataType type, std::vector<std::string>&);
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void get_physical_inputs (DataType type, std::vector<std::string>&);
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ChanCount n_physical_outputs () const;
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ChanCount n_physical_inputs () const;
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uint32_t port_name_size () const;
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int set_port_name (PortEngine::PortHandle, const std::string&);
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std::string get_port_name (PortEngine::PortHandle) const;
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PortFlags get_port_flags (PortEngine::PortHandle) const;
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PortEngine::PortHandle get_port_by_name (const std::string&) const;
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int get_port_property (PortEngine::PortHandle, const std::string& key, std::string& value, std::string& type) const;
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int set_port_property (PortEngine::PortHandle, const std::string& key, const std::string& value, const std::string& type);
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int get_ports (const std::string& port_name_pattern, DataType type, PortFlags flags, std::vector<std::string>&) const;
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DataType port_data_type (PortEngine::PortHandle) const;
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PortEngine::PortHandle register_port (const std::string& shortname, ARDOUR::DataType, ARDOUR::PortFlags);
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virtual void unregister_port (PortEngine::PortHandle);
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int connect (const std::string& src, const std::string& dst);
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int disconnect (const std::string& src, const std::string& dst);
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int connect (PortEngine::PortHandle, const std::string&);
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int disconnect (PortEngine::PortHandle, const std::string&);
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int disconnect_all (PortEngine::PortHandle);
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bool connected (PortEngine::PortHandle, bool process_callback_safe);
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bool connected_to (PortEngine::PortHandle, const std::string&, bool process_callback_safe);
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bool physically_connected (PortEngine::PortHandle, bool process_callback_safe);
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int get_connections (PortEngine::PortHandle, std::vector<std::string>&, bool process_callback_safe);
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virtual void port_connect_callback (const std::string& a, const std::string& b, bool conn) = 0;
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virtual void port_connect_add_remove_callback () = 0;
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protected:
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std::string _instance_name;
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std::vector<BackendPort *> _system_inputs;
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std::vector<BackendPort *> _system_outputs;
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std::vector<BackendPort *> _system_midi_in;
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std::vector<BackendPort *> _system_midi_out;
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void clear_ports ();
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PortEngine::PortHandle add_port (const std::string& shortname, ARDOUR::DataType, ARDOUR::PortFlags);
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void unregister_ports (bool system_only = false);
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struct SortByPortName
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{
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bool operator ()(const BackendPort* lhs, const BackendPort* rhs) const
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{
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return PBD::naturally_less (lhs->name ().c_str (), rhs->name ().c_str ());
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}
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};
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typedef std::map<std::string, BackendPort *> PortMap; // fast lookup in _ports
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typedef std::set<BackendPort *, SortByPortName> PortIndex; // fast lookup in _ports
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SerializedRCUManager<PortMap> _portmap;
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SerializedRCUManager<PortIndex> _ports;
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bool valid_port (PortEngine::PortHandle port) const {
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boost::shared_ptr<PortIndex> p = _ports.reader();
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return std::find (p->begin(), p->end(), static_cast<BackendPort*>(port)) != p->end ();
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}
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BackendPort* find_port (const std::string& port_name) const {
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boost::shared_ptr<PortMap> p = _portmap.reader();
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PortMap::const_iterator it = p->find (port_name);
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if (it == p->end()) {
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return NULL;
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}
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return (*it).second;
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}
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virtual BackendPort* port_factory (std::string const & name, ARDOUR::DataType dt, ARDOUR::PortFlags flags) = 0;
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};
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} /* namespace ARDOUR */
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#endif /* __libardour_port_engine_shared_h__ */
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652
libs/ardour/port_engine_shared.cc
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652
libs/ardour/port_engine_shared.cc
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@@ -0,0 +1,652 @@
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/*
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* Copyright (C) 2014-2015 Tim Mayberry <mojofunk@gmail.com>
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* Copyright (C) 2014-2020 Paul Davis <paul@linuxaudiosystems.com>
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* Copyright (C) 2014-2019 Robin Gareus <robin@gareus.org>
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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
|
||||
* 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
|
||||
* 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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#include <regex.h>
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#include "pbd/error.h"
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#include "pbd/i18n.h"
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#include "ardour/port_engine_shared.h"
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using namespace ARDOUR;
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BackendPort::BackendPort (PortEngineSharedImpl &b, const std::string& name, PortFlags flags)
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: _backend (b)
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, _name (name)
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, _flags (flags)
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{
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_capture_latency_range.min = 0;
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_capture_latency_range.max = 0;
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_playback_latency_range.min = 0;
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_playback_latency_range.max = 0;
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}
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BackendPort::~BackendPort () {
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disconnect_all ();
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}
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int BackendPort::connect (BackendPort *port)
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{
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if (!port) {
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PBD::error << _("BackendPort::connect (): invalid (null) port") << endmsg;
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return -1;
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}
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if (type () != port->type ()) {
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PBD::error << _("BackendPort::connect (): wrong port-type") << endmsg;
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return -1;
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}
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if (is_output () && port->is_output ()) {
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PBD::error << _("BackendPort::connect (): cannot inter-connect output ports.") << endmsg;
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return -1;
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}
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if (is_input () && port->is_input ()) {
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PBD::error << _("BackendPort::connect (): cannot inter-connect input ports.") << endmsg;
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return -1;
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}
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if (this == port) {
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PBD::error << _("BackendPort::connect (): cannot self-connect ports.") << endmsg;
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return -1;
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}
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if (is_connected (port)) {
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#if 0 // don't bother to warn about this for now. just ignore it
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PBD::error << _("BackendPort::connect (): ports are already connected:")
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<< " (" << name () << ") -> (" << port->name () << ")"
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<< endmsg;
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#endif
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return -1;
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}
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_connect (port, true);
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return 0;
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}
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void BackendPort::_connect (BackendPort *port, bool callback)
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{
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_connections.insert (port);
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if (callback) {
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port->_connect (this, false);
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_backend.port_connect_callback (name(), port->name(), true);
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}
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}
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int BackendPort::disconnect (BackendPort *port)
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{
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if (!port) {
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PBD::error << _("BackendPort::disconnect (): invalid (null) port") << endmsg;
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return -1;
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}
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if (!is_connected (port)) {
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PBD::error << _("BackendPort::disconnect (): ports are not connected:")
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<< " (" << name () << ") -> (" << port->name () << ")"
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<< endmsg;
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return -1;
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}
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_disconnect (port, true);
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return 0;
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}
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void BackendPort::_disconnect (BackendPort *port, bool callback)
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{
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std::set<BackendPort*>::iterator it = _connections.find (port);
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assert (it != _connections.end ());
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_connections.erase (it);
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if (callback) {
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port->_disconnect (this, false);
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_backend.port_connect_callback (name(), port->name(), false);
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}
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}
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void BackendPort::disconnect_all ()
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{
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while (!_connections.empty ()) {
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std::set<BackendPort*>::iterator it = _connections.begin ();
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(*it)->_disconnect (this, false);
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_backend.port_connect_callback (name(), (*it)->name(), false);
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_connections.erase (it);
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}
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}
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bool
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BackendPort::is_connected (const BackendPort *port) const
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{
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return _connections.find (const_cast<BackendPort *>(port)) != _connections.end ();
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}
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bool BackendPort::is_physically_connected () const
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{
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for (std::set<BackendPort*>::const_iterator it = _connections.begin (); it != _connections.end (); ++it) {
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if ((*it)->is_physical ()) {
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return true;
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}
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}
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return false;
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}
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void
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BackendPort::set_latency_range (const LatencyRange &latency_range, bool for_playback)
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{
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if (for_playback) {
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_playback_latency_range = latency_range;
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} else {
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_capture_latency_range = latency_range;
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}
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for (std::set<BackendPort*>::const_iterator it = _connections.begin (); it != _connections.end (); ++it) {
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if ((*it)->is_physical ()) {
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(*it)->update_connected_latency (is_input ());
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}
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}
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}
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void
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BackendPort::update_connected_latency (bool for_playback)
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{
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LatencyRange lr;
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lr.min = lr.max = 0;
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for (std::set<BackendPort*>::const_iterator it = _connections.begin (); it != _connections.end (); ++it) {
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LatencyRange l;
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l = (*it)->latency_range (for_playback);
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lr.min = std::max (lr.min, l.min);
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lr.max = std::max (lr.max, l.max);
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}
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set_latency_range (lr, for_playback);
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}
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PortEngineSharedImpl::PortEngineSharedImpl (PortManager& mgr, std::string const & str)
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: _instance_name (str)
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, _portmap (new PortMap)
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, _ports (new PortIndex)
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{
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}
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PortEngineSharedImpl::~PortEngineSharedImpl ()
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{
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}
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int
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PortEngineSharedImpl::get_ports (
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const std::string& port_name_pattern,
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DataType type, PortFlags flags,
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std::vector<std::string>& port_names) const
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{
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int rv = 0;
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regex_t port_regex;
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bool use_regexp = false;
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if (port_name_pattern.size () > 0) {
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if (!regcomp (&port_regex, port_name_pattern.c_str (), REG_EXTENDED|REG_NOSUB)) {
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use_regexp = true;
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}
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}
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boost::shared_ptr<PortIndex> p = _ports.reader ();
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for (PortIndex::const_iterator i = p->begin (); i != p->end (); ++i) {
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BackendPort* port = *i;
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if ((port->type () == type) && flags == (port->flags () & flags)) {
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if (!use_regexp || !regexec (&port_regex, port->name ().c_str (), 0, NULL, 0)) {
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port_names.push_back (port->name ());
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++rv;
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}
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}
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}
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if (use_regexp) {
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regfree (&port_regex);
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}
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return rv;
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}
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/* Discovering physical ports */
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bool
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PortEngineSharedImpl::port_is_physical (PortEngine::PortHandle port) const
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{
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if (!valid_port (port)) {
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PBD::error << _("BackendPort::port_is_physical (): invalid port.") << endmsg;
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return false;
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}
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return static_cast<BackendPort*>(port)->is_physical ();
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}
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void
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PortEngineSharedImpl::get_physical_outputs (DataType type, std::vector<std::string>& port_names)
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{
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boost::shared_ptr<PortIndex> p = _ports.reader();
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for (PortIndex::iterator i = p->begin (); i != p->end (); ++i) {
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BackendPort* port = *i;
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if ((port->type () == type) && port->is_input () && port->is_physical ()) {
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port_names.push_back (port->name ());
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}
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}
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}
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void
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PortEngineSharedImpl::get_physical_inputs (DataType type, std::vector<std::string>& port_names)
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{
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boost::shared_ptr<PortIndex> p = _ports.reader();
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||||
|
||||
for (PortIndex::iterator i = p->begin (); i != p->end (); ++i) {
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||||
BackendPort* port = *i;
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if ((port->type () == type) && port->is_output () && port->is_physical ()) {
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port_names.push_back (port->name ());
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}
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||||
}
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||||
}
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ChanCount
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PortEngineSharedImpl::n_physical_outputs () const
|
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{
|
||||
int n_midi = 0;
|
||||
int n_audio = 0;
|
||||
|
||||
boost::shared_ptr<PortIndex> p = _ports.reader();
|
||||
|
||||
for (PortIndex::const_iterator i = p->begin (); i != p->end (); ++i) {
|
||||
BackendPort* port = *i;
|
||||
if (port->is_output () && port->is_physical ()) {
|
||||
switch (port->type ()) {
|
||||
case DataType::AUDIO: ++n_audio; break;
|
||||
case DataType::MIDI: ++n_midi; break;
|
||||
default: break;
|
||||
}
|
||||
}
|
||||
}
|
||||
ChanCount cc;
|
||||
cc.set (DataType::AUDIO, n_audio);
|
||||
cc.set (DataType::MIDI, n_midi);
|
||||
return cc;
|
||||
}
|
||||
|
||||
ChanCount
|
||||
PortEngineSharedImpl::n_physical_inputs () const
|
||||
{
|
||||
int n_midi = 0;
|
||||
int n_audio = 0;
|
||||
|
||||
boost::shared_ptr<PortIndex> p = _ports.reader();
|
||||
|
||||
for (PortIndex::const_iterator i = p->begin (); i != p->end (); ++i) {
|
||||
BackendPort* port = *i;
|
||||
if (port->is_input () && port->is_physical ()) {
|
||||
switch (port->type ()) {
|
||||
case DataType::AUDIO: ++n_audio; break;
|
||||
case DataType::MIDI: ++n_midi; break;
|
||||
default: break;
|
||||
}
|
||||
}
|
||||
}
|
||||
ChanCount cc;
|
||||
cc.set (DataType::AUDIO, n_audio);
|
||||
cc.set (DataType::MIDI, n_midi);
|
||||
return cc;
|
||||
}
|
||||
|
||||
PortEngine::PortHandle
|
||||
PortEngineSharedImpl::add_port (
|
||||
const std::string& name,
|
||||
ARDOUR::DataType type,
|
||||
ARDOUR::PortFlags flags)
|
||||
{
|
||||
assert(name.size ());
|
||||
if (find_port (name)) {
|
||||
PBD::error << _("AlsaBackend::register_port: Port already exists:")
|
||||
<< " (" << name << ")" << endmsg;
|
||||
return 0;
|
||||
}
|
||||
|
||||
BackendPort* port = port_factory (name, type, flags);
|
||||
|
||||
if (!port) {
|
||||
return 0;
|
||||
}
|
||||
|
||||
{
|
||||
RCUWriter<PortIndex> index_writer (_ports);
|
||||
RCUWriter<PortMap> map_writer (_portmap);
|
||||
|
||||
boost::shared_ptr<PortIndex> ps = index_writer.get_copy ();
|
||||
boost::shared_ptr<PortMap> pm = map_writer.get_copy ();
|
||||
|
||||
ps->insert (port);
|
||||
pm->insert (make_pair (name, port));
|
||||
}
|
||||
|
||||
return port;
|
||||
}
|
||||
|
||||
void
|
||||
PortEngineSharedImpl::unregister_port (PortEngine::PortHandle port_handle)
|
||||
{
|
||||
BackendPort* port = static_cast<BackendPort*>(port_handle);
|
||||
|
||||
{
|
||||
RCUWriter<PortIndex> index_writer (_ports);
|
||||
RCUWriter<PortMap> map_writer (_portmap);
|
||||
|
||||
boost::shared_ptr<PortIndex> ps = index_writer.get_copy ();
|
||||
boost::shared_ptr<PortMap> pm = map_writer.get_copy ();
|
||||
|
||||
PortIndex::iterator i = std::find (ps->begin(), ps->end(), static_cast<BackendPort*>(port_handle));
|
||||
|
||||
if (i == ps->end ()) {
|
||||
PBD::error << _("AlsaBackend::unregister_port: Failed to find port") << endmsg;
|
||||
return;
|
||||
}
|
||||
|
||||
disconnect_all(port_handle);
|
||||
|
||||
pm->erase (port->name());
|
||||
ps->erase (i);
|
||||
}
|
||||
|
||||
delete port;
|
||||
}
|
||||
|
||||
|
||||
void
|
||||
PortEngineSharedImpl::unregister_ports (bool system_only)
|
||||
{
|
||||
_system_inputs.clear();
|
||||
_system_outputs.clear();
|
||||
_system_midi_in.clear();
|
||||
_system_midi_out.clear();
|
||||
|
||||
RCUWriter<PortIndex> index_writer (_ports);
|
||||
RCUWriter<PortMap> map_writer (_portmap);
|
||||
|
||||
boost::shared_ptr<PortIndex> ps = index_writer.get_copy ();
|
||||
boost::shared_ptr<PortMap> pm = map_writer.get_copy ();
|
||||
|
||||
|
||||
for (PortIndex::iterator i = ps->begin (); i != ps->end ();) {
|
||||
PortIndex::iterator cur = i++;
|
||||
BackendPort* port = *cur;
|
||||
if (! system_only || (port->is_physical () && port->is_terminal ())) {
|
||||
port->disconnect_all ();
|
||||
pm->erase (port->name());
|
||||
delete port;
|
||||
ps->erase (cur);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void
|
||||
PortEngineSharedImpl::clear_ports ()
|
||||
{
|
||||
RCUWriter<PortIndex> index_writer (_ports);
|
||||
RCUWriter<PortMap> map_writer (_portmap);
|
||||
|
||||
boost::shared_ptr<PortIndex> ps = index_writer.get_copy();
|
||||
boost::shared_ptr<PortMap> pm = map_writer.get_copy ();
|
||||
|
||||
if (ps->size () || pm->size ()) {
|
||||
PBD::warning << _("PortEngineSharedImpl: recovering from unclean shutdown, port registry is not empty.") << endmsg;
|
||||
_system_inputs.clear();
|
||||
_system_outputs.clear();
|
||||
_system_midi_in.clear();
|
||||
_system_midi_out.clear();
|
||||
ps->clear();
|
||||
pm->clear();
|
||||
}
|
||||
}
|
||||
|
||||
uint32_t
|
||||
PortEngineSharedImpl::port_name_size () const
|
||||
{
|
||||
return 256;
|
||||
}
|
||||
|
||||
int
|
||||
PortEngineSharedImpl::set_port_name (PortEngine::PortHandle port, const std::string& name)
|
||||
{
|
||||
std::string newname (_instance_name + ":" + name);
|
||||
|
||||
if (!valid_port (port)) {
|
||||
PBD::error << _("AlsaBackend::set_port_name: Invalid Port") << endmsg;
|
||||
return -1;
|
||||
}
|
||||
|
||||
if (find_port (newname)) {
|
||||
PBD::error << _("AlsaBackend::set_port_name: Port with given name already exists") << endmsg;
|
||||
return -1;
|
||||
}
|
||||
|
||||
BackendPort* p = static_cast<BackendPort*>(port);
|
||||
|
||||
{
|
||||
RCUWriter<PortMap> map_writer (_portmap);
|
||||
boost::shared_ptr<PortMap> pm = map_writer.get_copy ();
|
||||
|
||||
pm->erase (p->name());
|
||||
pm->insert (make_pair (newname, p));
|
||||
}
|
||||
|
||||
return p->set_name (newname);
|
||||
}
|
||||
|
||||
std::string
|
||||
PortEngineSharedImpl::get_port_name (PortEngine::PortHandle port) const
|
||||
{
|
||||
if (!valid_port (port)) {
|
||||
PBD::warning << _("AlsaBackend::get_port_name: Invalid Port(s)") << endmsg;
|
||||
return std::string ();
|
||||
}
|
||||
return static_cast<BackendPort*>(port)->name ();
|
||||
}
|
||||
|
||||
PortFlags
|
||||
PortEngineSharedImpl::get_port_flags (PortEngine::PortHandle port) const
|
||||
{
|
||||
if (!valid_port (port)) {
|
||||
PBD::warning << _("AlsaBackend::get_port_flags: Invalid Port(s)") << endmsg;
|
||||
return PortFlags (0);
|
||||
}
|
||||
return static_cast<BackendPort*>(port)->flags ();
|
||||
}
|
||||
|
||||
int
|
||||
PortEngineSharedImpl::get_port_property (PortEngine::PortHandle port, const std::string& key, std::string& value, std::string& type) const
|
||||
{
|
||||
if (!valid_port (port)) {
|
||||
PBD::warning << _("AlsaBackend::get_port_property: Invalid Port(s)") << endmsg;
|
||||
return -1;
|
||||
}
|
||||
if (key == "http://jackaudio.org/metadata/pretty-name") {
|
||||
type = "";
|
||||
value = static_cast<BackendPort*>(port)->pretty_name ();
|
||||
if (!value.empty()) {
|
||||
return 0;
|
||||
}
|
||||
}
|
||||
return -1;
|
||||
}
|
||||
|
||||
int
|
||||
PortEngineSharedImpl::set_port_property (PortEngine::PortHandle port, const std::string& key, const std::string& value, const std::string& type)
|
||||
{
|
||||
if (!valid_port (port)) {
|
||||
PBD::warning << _("AlsaBackend::set_port_property: Invalid Port(s)") << endmsg;
|
||||
return -1;
|
||||
}
|
||||
if (key == "http://jackaudio.org/metadata/pretty-name" && type.empty ()) {
|
||||
static_cast<BackendPort*>(port)->set_pretty_name (value);
|
||||
return 0;
|
||||
}
|
||||
return -1;
|
||||
}
|
||||
|
||||
PortEngine::PortHandle
|
||||
PortEngineSharedImpl::get_port_by_name (const std::string& name) const
|
||||
{
|
||||
PortEngine::PortHandle port = (PortEngine::PortHandle) find_port (name);
|
||||
return port;
|
||||
}
|
||||
|
||||
DataType
|
||||
PortEngineSharedImpl::port_data_type (PortEngine::PortHandle port) const
|
||||
{
|
||||
if (!valid_port (port)) {
|
||||
return DataType::NIL;
|
||||
}
|
||||
return static_cast<BackendPort*>(port)->type ();
|
||||
}
|
||||
|
||||
PortEngine::PortHandle
|
||||
PortEngineSharedImpl::register_port (
|
||||
const std::string& name,
|
||||
ARDOUR::DataType type,
|
||||
ARDOUR::PortFlags flags)
|
||||
{
|
||||
if (name.size () == 0) { return 0; }
|
||||
if (flags & IsPhysical) { return 0; }
|
||||
return add_port (_instance_name + ":" + name, type, flags);
|
||||
}
|
||||
|
||||
|
||||
int
|
||||
PortEngineSharedImpl::connect (const std::string& src, const std::string& dst)
|
||||
{
|
||||
BackendPort* src_port = find_port (src);
|
||||
BackendPort* dst_port = find_port (dst);
|
||||
|
||||
if (!src_port) {
|
||||
PBD::error << _("AlsaBackend::connect: Invalid Source port:")
|
||||
<< " (" << src <<")" << endmsg;
|
||||
return -1;
|
||||
}
|
||||
if (!dst_port) {
|
||||
PBD::error << _("AlsaBackend::connect: Invalid Destination port:")
|
||||
<< " (" << dst <<")" << endmsg;
|
||||
return -1;
|
||||
}
|
||||
return src_port->connect (dst_port);
|
||||
}
|
||||
|
||||
int
|
||||
PortEngineSharedImpl::disconnect (const std::string& src, const std::string& dst)
|
||||
{
|
||||
BackendPort* src_port = find_port (src);
|
||||
BackendPort* dst_port = find_port (dst);
|
||||
|
||||
if (!src_port || !dst_port) {
|
||||
PBD::error << _("AlsaBackend::disconnect: Invalid Port(s)") << endmsg;
|
||||
return -1;
|
||||
}
|
||||
return src_port->disconnect (dst_port);
|
||||
}
|
||||
|
||||
int
|
||||
PortEngineSharedImpl::connect (PortEngine::PortHandle src, const std::string& dst)
|
||||
{
|
||||
BackendPort* dst_port = find_port (dst);
|
||||
if (!valid_port (src)) {
|
||||
PBD::error << _("AlsaBackend::connect: Invalid Source Port Handle") << endmsg;
|
||||
return -1;
|
||||
}
|
||||
if (!dst_port) {
|
||||
PBD::error << _("AlsaBackend::connect: Invalid Destination Port")
|
||||
<< " (" << dst << ")" << endmsg;
|
||||
return -1;
|
||||
}
|
||||
return static_cast<BackendPort*>(src)->connect (dst_port);
|
||||
}
|
||||
|
||||
int
|
||||
PortEngineSharedImpl::disconnect (PortEngine::PortHandle src, const std::string& dst)
|
||||
{
|
||||
BackendPort* dst_port = find_port (dst);
|
||||
if (!valid_port (src) || !dst_port) {
|
||||
PBD::error << _("AlsaBackend::disconnect: Invalid Port(s)") << endmsg;
|
||||
return -1;
|
||||
}
|
||||
return static_cast<BackendPort*>(src)->disconnect (dst_port);
|
||||
}
|
||||
|
||||
int
|
||||
PortEngineSharedImpl::disconnect_all (PortEngine::PortHandle port)
|
||||
{
|
||||
if (!valid_port (port)) {
|
||||
PBD::error << _("AlsaBackend::disconnect_all: Invalid Port") << endmsg;
|
||||
return -1;
|
||||
}
|
||||
static_cast<BackendPort*>(port)->disconnect_all ();
|
||||
return 0;
|
||||
}
|
||||
|
||||
bool
|
||||
PortEngineSharedImpl::connected (PortEngine::PortHandle port, bool /* process_callback_safe*/)
|
||||
{
|
||||
if (!valid_port (port)) {
|
||||
PBD::error << _("AlsaBackend::disconnect_all: Invalid Port") << endmsg;
|
||||
return false;
|
||||
}
|
||||
return static_cast<BackendPort*>(port)->is_connected ();
|
||||
}
|
||||
|
||||
bool
|
||||
PortEngineSharedImpl::connected_to (PortEngine::PortHandle src, const std::string& dst, bool /*process_callback_safe*/)
|
||||
{
|
||||
BackendPort* dst_port = find_port (dst);
|
||||
#ifndef NDEBUG
|
||||
if (!valid_port (src) || !dst_port) {
|
||||
PBD::error << _("AlsaBackend::connected_to: Invalid Port") << endmsg;
|
||||
return false;
|
||||
}
|
||||
#endif
|
||||
return static_cast<BackendPort*>(src)->is_connected (dst_port);
|
||||
}
|
||||
|
||||
bool
|
||||
PortEngineSharedImpl::physically_connected (PortEngine::PortHandle port, bool /*process_callback_safe*/)
|
||||
{
|
||||
if (!valid_port (port)) {
|
||||
PBD::error << _("AlsaBackend::physically_connected: Invalid Port") << endmsg;
|
||||
return false;
|
||||
}
|
||||
return static_cast<BackendPort*>(port)->is_physically_connected ();
|
||||
}
|
||||
|
||||
int
|
||||
PortEngineSharedImpl::get_connections (PortEngine::PortHandle port, std::vector<std::string>& names, bool /*process_callback_safe*/)
|
||||
{
|
||||
if (!valid_port (port)) {
|
||||
PBD::error << _("AlsaBackend::get_connections: Invalid Port") << endmsg;
|
||||
return -1;
|
||||
}
|
||||
|
||||
assert (0 == names.size ());
|
||||
|
||||
const std::set<BackendPort*>& connected_ports = static_cast<BackendPort*>(port)->get_connections ();
|
||||
|
||||
for (std::set<BackendPort*>::const_iterator i = connected_ports.begin (); i != connected_ports.end (); ++i) {
|
||||
names.push_back ((*i)->name ());
|
||||
}
|
||||
|
||||
return (int)names.size ();
|
||||
}
|
||||
Reference in New Issue
Block a user