#include <string>
#include <vector>
+#include <map>
#include <stdint.h>
+#include <boost/shared_ptr.hpp>
+
#include <jack/jack.h>
#ifdef HAVE_JACK_SESSION
#include <jack/session.h>
namespace ARDOUR {
+class JackConnection;
+
class JACKAudioBackend : public AudioBackend {
public:
- JACKAudioBackend (AudioEngine& e);
+ JACKAudioBackend (AudioEngine& e, boost::shared_ptr<JackConnection>);
~JACKAudioBackend ();
std::string name() const;
+ void* private_handle() const;
bool connected() const;
bool is_realtime () const;
int set_systemic_input_latency (uint32_t);
int set_systemic_output_latency (uint32_t);
- std::string get_device_name () const;
- float get_sample_rate () const;
- uint32_t get_buffer_size () const;
- SampleFormat get_sample_format () const;
- bool get_interleaved () const;
- uint32_t get_input_channels () const;
- uint32_t get_output_channels () const;
- uint32_t get_systemic_input_latency () const;
- uint32_t get_systemic_output_latency () const;
+ 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;
+ uint32_t systemic_input_latency () const;
+ uint32_t systemic_output_latency () const;
int start ();
int stop ();
int pause ();
int freewheel (bool);
+ float cpu_load() const;
+
+ pframes_t sample_time ();
+ pframes_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, pthread_t*, size_t stacksize);
+
+ void transport_start ();
+ void transport_stop ();
+ void transport_locate (framepos_t /*pos*/);
+ TransportState transport_state () const;
+ framepos_t transport_frame() const;
+
+ int set_time_master (bool /*yn*/);
+ bool get_sync_offset (pframes_t& /*offset*/) const;
+
private:
- jack_client_t* volatile _jack; /* could be reset to null by SIGPIPE or another thread */
- std::string jack_client_name;
+ boost::shared_ptr<JackConnection> _jack_connection; //< shared with JACKPortEngine
+ bool _running;
+ bool _freewheeling;
+ std::map<DataType,size_t> _raw_buffer_sizes;
static int _xrun_callback (void *arg);
- static int _graph_order_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 _registration_callback (jack_port_id_t, int, void *);
- static void _connect_callback (jack_port_id_t, jack_port_id_t, int, void *);
static void _latency_callback (jack_latency_callback_mode_t, void*);
- static void halted (void *);
- static void halted_info (jack_status_t,const char*,void *);
#ifdef HAVE_JACK_SESSION
static void _session_callback (jack_session_event_t *event, void *arg);
#endif
int jack_bufsize_callback (pframes_t);
int jack_sample_rate_callback (pframes_t);
void freewheel_callback (int);
- void connect_callback (jack_port_id_t, jack_port_id_t, 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 connect_to_jack (std::string client_name, std::string session_uuid);
+ int reconnect_to_jack ();
struct ThreadData {
JACKAudioBackend* engine;
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;
+ uint32_t _current_usecs_per_cycle;
+ uint32_t _current_systemic_input_latency;
+ uint32_t _current_systemic_output_latency;
+
};
} // namespace