329 lines
11 KiB
C++
329 lines
11 KiB
C++
/*
|
|
* Copyright (C) 2013-2018 Paul Davis <paul@linuxaudiosystems.com>
|
|
* Copyright (C) 2013 Tim Mayberry <mojofunk@gmail.com>
|
|
* Copyright (C) 2014-2018 Robin Gareus <robin@gareus.org>
|
|
*
|
|
* 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.,
|
|
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
*/
|
|
|
|
#ifndef __libardour_jack_audiobackend_h__
|
|
#define __libardour_jack_audiobackend_h__
|
|
|
|
#include <string>
|
|
#include <vector>
|
|
#include <map>
|
|
#include <set>
|
|
|
|
#include <stdint.h>
|
|
|
|
#include <boost/shared_ptr.hpp>
|
|
|
|
#include "pbd/stacktrace.h"
|
|
|
|
#include "weak_libjack.h"
|
|
|
|
#include "ardour/audio_backend.h"
|
|
|
|
namespace ARDOUR {
|
|
|
|
class JackConnection;
|
|
class JACKSession;
|
|
|
|
class JackPort : public ProtoPort
|
|
{
|
|
public:
|
|
JackPort (jack_port_t* p) : jack_ptr (p) {}
|
|
~JackPort() { }
|
|
|
|
private:
|
|
friend class JACKAudioBackend;
|
|
jack_port_t* jack_ptr;
|
|
};
|
|
|
|
class JACKAudioBackend : public AudioBackend {
|
|
public:
|
|
JACKAudioBackend (AudioEngine& e, AudioBackendInfo& info, boost::shared_ptr<JackConnection>);
|
|
~JACKAudioBackend ();
|
|
|
|
/* AUDIOBACKEND API */
|
|
|
|
std::string name() const;
|
|
void* private_handle() const;
|
|
bool is_realtime () const;
|
|
|
|
bool requires_driver_selection() const;
|
|
std::vector<std::string> enumerate_drivers () const;
|
|
int set_driver (const std::string&);
|
|
|
|
std::vector<DeviceStatus> enumerate_devices () const;
|
|
|
|
std::vector<float> available_sample_rates (const std::string& device) const;
|
|
std::vector<uint32_t> available_buffer_sizes (const std::string& device) const;
|
|
std::vector<uint32_t> available_period_sizes (const std::string& driver) const;
|
|
uint32_t available_input_channel_count (const std::string& device) const;
|
|
uint32_t available_output_channel_count (const std::string& device) const;
|
|
|
|
bool can_change_sample_rate_when_running() const;
|
|
bool can_change_buffer_size_when_running() const;
|
|
|
|
int set_device_name (const std::string&);
|
|
int set_sample_rate (float);
|
|
int set_buffer_size (uint32_t);
|
|
int set_peridod_size (uint32_t);
|
|
int set_interleaved (bool yn);
|
|
int set_input_channels (uint32_t);
|
|
int set_output_channels (uint32_t);
|
|
int set_systemic_input_latency (uint32_t);
|
|
int set_systemic_output_latency (uint32_t);
|
|
int set_systemic_midi_input_latency (std::string const, uint32_t) { return 0; }
|
|
int set_systemic_midi_output_latency (std::string const, uint32_t) { return 0; }
|
|
|
|
int reset_device ();
|
|
|
|
std::string device_name () const;
|
|
float sample_rate () const;
|
|
uint32_t buffer_size () const;
|
|
uint32_t period_size () const;
|
|
bool interleaved () const;
|
|
uint32_t input_channels () const;
|
|
uint32_t output_channels () const;
|
|
uint32_t systemic_input_latency () const;
|
|
uint32_t systemic_output_latency () const;
|
|
uint32_t systemic_midi_input_latency (std::string const) const { return 0; }
|
|
uint32_t systemic_midi_output_latency (std::string const) const { return 0; }
|
|
std::string driver_name() const;
|
|
|
|
std::string control_app_name () const;
|
|
void launch_control_app ();
|
|
|
|
int stop ();
|
|
int freewheel (bool);
|
|
|
|
float dsp_load() const;
|
|
|
|
samplepos_t sample_time ();
|
|
samplepos_t sample_time_at_cycle_start ();
|
|
pframes_t samples_since_cycle_start ();
|
|
|
|
size_t raw_buffer_size (DataType t);
|
|
|
|
int create_process_thread (boost::function<void()> func);
|
|
int join_process_threads ();
|
|
bool in_process_thread ();
|
|
uint32_t process_thread_count ();
|
|
int client_real_time_priority ();
|
|
|
|
void transport_start ();
|
|
void transport_stop ();
|
|
void transport_locate (samplepos_t /*pos*/);
|
|
TransportState transport_state () const;
|
|
samplepos_t transport_sample() const;
|
|
|
|
int set_time_master (bool /*yn*/);
|
|
bool get_sync_offset (pframes_t& /*offset*/) const;
|
|
|
|
void update_latencies ();
|
|
|
|
static bool already_configured();
|
|
|
|
/* PORTENGINE API */
|
|
|
|
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;
|
|
PortFlags get_port_flags (PortHandle) const;
|
|
PortPtr get_port_by_name (const std::string&) const;
|
|
int get_port_property (PortHandle, const std::string& key, std::string& value, std::string& type) const;
|
|
int set_port_property (PortHandle, const std::string& key, const std::string& value, const std::string& type);
|
|
|
|
int get_ports (const std::string& port_name_pattern, DataType type, PortFlags flags, std::vector<std::string>&) const;
|
|
|
|
DataType port_data_type (PortHandle) const;
|
|
|
|
PortPtr 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);
|
|
bool externally_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 */
|
|
|
|
std::vector<std::string> enumerate_midi_options () const;
|
|
int set_midi_option (const std::string&);
|
|
std::string midi_option () const;
|
|
|
|
std::vector<DeviceStatus> enumerate_midi_devices () const {
|
|
return std::vector<AudioBackend::DeviceStatus> ();
|
|
}
|
|
int set_midi_device_enabled (std::string const, bool) {
|
|
return 0;
|
|
}
|
|
bool midi_device_enabled (std::string const) const {
|
|
return true;
|
|
}
|
|
bool can_set_systemic_midi_latencies () const {
|
|
return false;
|
|
}
|
|
bool can_set_period_size () const {
|
|
return true;
|
|
}
|
|
|
|
int midi_event_get (pframes_t& timestamp, size_t& size, uint8_t const** 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);
|
|
|
|
/* transport sync */
|
|
|
|
bool speed_and_position (double& sp, samplepos_t& pos);
|
|
|
|
private:
|
|
boost::shared_ptr<JackConnection> _jack_connection;
|
|
bool _running;
|
|
bool _freewheeling;
|
|
std::map<DataType,size_t> _raw_buffer_sizes;
|
|
|
|
std::vector<jack_native_thread_t> _jack_threads;
|
|
jack_native_thread_t _main_thread;
|
|
|
|
static int _xrun_callback (void *arg);
|
|
static void* _process_thread (void *arg);
|
|
static int _sample_rate_callback (pframes_t nframes, void *arg);
|
|
static int _bufsize_callback (pframes_t nframes, void *arg);
|
|
static void _jack_timebase_callback (jack_transport_state_t, pframes_t, jack_position_t*, int, void*);
|
|
static int _jack_sync_callback (jack_transport_state_t, jack_position_t*, void *arg);
|
|
static void _freewheel_callback (int , void *arg);
|
|
static void _latency_callback (jack_latency_callback_mode_t, void*);
|
|
static void _session_callback (jack_session_event_t *event, void *arg);
|
|
|
|
void jack_timebase_callback (jack_transport_state_t, pframes_t, jack_position_t*, int);
|
|
int jack_sync_callback (jack_transport_state_t, jack_position_t*);
|
|
int jack_bufsize_callback (pframes_t);
|
|
int jack_sample_rate_callback (pframes_t);
|
|
void freewheel_callback (int);
|
|
int process_callback (pframes_t nframes);
|
|
void jack_latency_callback (jack_latency_callback_mode_t);
|
|
void disconnected (const char*);
|
|
|
|
void set_jack_callbacks ();
|
|
int reconnect_to_jack ();
|
|
|
|
bool available() const;
|
|
|
|
struct ThreadData {
|
|
JACKAudioBackend* engine;
|
|
boost::function<void()> f;
|
|
size_t stacksize;
|
|
|
|
ThreadData (JACKAudioBackend* e, boost::function<void()> fp, size_t stacksz)
|
|
: engine (e) , f (fp) , stacksize (stacksz) {}
|
|
};
|
|
|
|
void* process_thread ();
|
|
static void* _start_process_thread (void*);
|
|
|
|
void setup_jack_startup_command (bool for_latency_measurement);
|
|
|
|
/* pffooo */
|
|
|
|
std::string _target_driver;
|
|
std::string _target_device;
|
|
float _target_sample_rate;
|
|
uint32_t _target_buffer_size;
|
|
uint32_t _target_num_periods;
|
|
SampleFormat _target_sample_format;
|
|
bool _target_interleaved;
|
|
uint32_t _target_input_channels;
|
|
uint32_t _target_output_channels;
|
|
uint32_t _target_systemic_input_latency;
|
|
uint32_t _target_systemic_output_latency;
|
|
uint32_t _current_sample_rate;
|
|
uint32_t _current_buffer_size;
|
|
std::string _target_midi_option;
|
|
|
|
typedef std::set<std::string> DeviceList;
|
|
typedef std::map<std::string,DeviceList> DriverDeviceMap;
|
|
|
|
mutable DriverDeviceMap all_devices;
|
|
|
|
PBD::ScopedConnection disconnect_connection;
|
|
|
|
/* PORTENGINE RELATED */
|
|
|
|
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 *);
|
|
|
|
typedef std::map<void*,boost::shared_ptr<JackPort> > JackPorts;
|
|
mutable JackPorts _jack_ports; /* can be modified in ::get_port_by_name () */
|
|
|
|
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;
|
|
|
|
void when_connected_to_jack ();
|
|
PBD::ScopedConnection jack_connection_connection;
|
|
|
|
/* Object to manage interactions with Session in a way that
|
|
keeps JACK out of libardour directly
|
|
*/
|
|
|
|
JACKSession* _session;
|
|
|
|
protected:
|
|
int _start (bool for_latency_measurement);
|
|
};
|
|
|
|
} // namespace
|
|
|
|
#endif /* __ardour_audiobackend_h__ */
|