#include <boost/shared_ptr.hpp>
#include <jack/jack.h>
-#ifdef HAVE_JACK_SESSION
#include <jack/session.h>
-#endif
#include "ardour/audio_backend.h"
namespace ARDOUR {
class JackConnection;
+class JACKSession;
class JACKAudioBackend : public AudioBackend {
public:
- JACKAudioBackend (AudioEngine& e, boost::shared_ptr<JackConnection>);
+ JACKAudioBackend (AudioEngine& e, AudioBackendInfo& info, boost::shared_ptr<JackConnection>);
~JACKAudioBackend ();
/* AUDIOBACKEND API */
int set_device_name (const std::string&);
int set_sample_rate (float);
int set_buffer_size (uint32_t);
- int set_sample_format (SampleFormat);
int set_interleaved (bool yn);
int set_input_channels (uint32_t);
int set_output_channels (uint32_t);
std::string device_name () const;
float sample_rate () const;
uint32_t buffer_size () const;
- SampleFormat sample_format () const;
bool interleaved () const;
uint32_t input_channels () const;
uint32_t output_channels () const;
std::string control_app_name () const;
void launch_control_app ();
- int start ();
int stop ();
- int pause ();
int freewheel (bool);
- float cpu_load() const;
+ float dsp_load() const;
pframes_t sample_time ();
pframes_t sample_time_at_cycle_start ();
int set_port_name (PortHandle, const std::string&);
std::string get_port_name (PortHandle) const;
- PortHandle* get_port_by_name (const std::string&) 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;
/* MIDI */
+ std::vector<std::string> enumerate_midi_options () const;
+ int set_midi_option (const std::string&);
+ std::string midi_option () const;
+
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* get_buffer (PortHandle, pframes_t);
+ /* transport sync */
+
+ bool speed_and_position (double& sp, framepos_t& pos);
+
private:
boost::shared_ptr<JackConnection> _jack_connection;
bool _running;
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*);
-#ifdef HAVE_JACK_SESSION
static void _session_callback (jack_session_event_t *event, void *arg);
-#endif
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*);
void* process_thread ();
static void* _start_process_thread (void*);
- void setup_jack_startup_command ();
+ void setup_jack_startup_command (bool for_latency_measurement);
/* pffooo */
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;
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