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livetrax/libs/backends/jack/jack_portengine.h

133 lines
4.3 KiB
C++

/*
Copyright (C) 2013 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 __libardour_jack_portengine_h__
#define __libardour_jack_portengine_h__
#include <string>
#include <vector>
#include <stdint.h>
#include <jack/types.h>
#include <jack/midiport.h>
#include <boost/shared_ptr.hpp>
#include "pbd/signals.h"
#include "ardour/port_engine.h"
#include "ardour/types.h"
namespace ARDOUR {
class JackConnection;
class JACKPortEngine : public PortEngine
{
public:
JACKPortEngine (PortManager&, boost::shared_ptr<JackConnection>);
~JACKPortEngine();
void* private_handle() const;
bool connected() const;
const std::string& my_name() const;
uint32_t port_name_size() const;
int set_port_name (PortHandle, const std::string&);
std::string get_port_name (PortHandle) const;
PortHandle* get_port_by_name (const std::string&) const;
int get_ports (const std::string& port_name_pattern, DataType type, PortFlags flags, std::vector<std::string>&) const;
DataType port_data_type (PortHandle) const;
PortHandle register_port (const std::string& shortname, ARDOUR::DataType, ARDOUR::PortFlags);
void unregister_port (PortHandle);
bool connected (PortHandle, bool process_callback_safe);
bool connected_to (PortHandle, const std::string&, bool process_callback_safe);
bool physically_connected (PortHandle, bool process_callback_safe);
int get_connections (PortHandle, std::vector<std::string>&, bool process_callback_safe);
int connect (PortHandle, const std::string&);
int disconnect (PortHandle, const std::string&);
int disconnect_all (PortHandle);
int connect (const std::string& src, const std::string& dst);
int disconnect (const std::string& src, const std::string& dst);
/* MIDI */
int midi_event_get (pframes_t& timestamp, size_t& size, uint8_t** buf, void* port_buffer, uint32_t event_index);
int midi_event_put (void* port_buffer, pframes_t timestamp, const uint8_t* buffer, size_t size);
uint32_t get_midi_event_count (void* port_buffer);
void midi_clear (void* port_buffer);
/* Monitoring */
bool can_monitor_input() const;
int request_input_monitoring (PortHandle, bool);
int ensure_input_monitoring (PortHandle, bool);
bool monitoring_input (PortHandle);
/* Latency management
*/
void set_latency_range (PortHandle, bool for_playback, LatencyRange);
LatencyRange get_latency_range (PortHandle, bool for_playback);
/* Physical ports */
bool port_is_physical (PortHandle) const;
void get_physical_outputs (DataType type, std::vector<std::string>&);
void get_physical_inputs (DataType type, std::vector<std::string>&);
ChanCount n_physical_outputs () const;
ChanCount n_physical_inputs () const;
/* Getting access to the data buffer for a port */
void* get_buffer (PortHandle, pframes_t);
/* Miscellany */
pframes_t sample_time_at_cycle_start ();
private:
boost::shared_ptr<JackConnection> _jack_connection;
static int _graph_order_callback (void *arg);
static void _registration_callback (jack_port_id_t, int, void *);
static void _connect_callback (jack_port_id_t, jack_port_id_t, int, void *);
void connect_callback (jack_port_id_t, jack_port_id_t, int);
ChanCount n_physical (unsigned long flags) const;
void get_physical (DataType type, unsigned long flags, std::vector<std::string>& phy) const;
PBD::ScopedConnection jack_connection_connection;
void connected_to_jack ();
};
} // namespace
#endif /* __libardour_jack_portengine_h__ */