public:
JACKAudioBackend (AudioEngine& e, AudioBackendInfo& info, boost::shared_ptr<JackConnection>);
~JACKAudioBackend ();
-
+
/* AUDIOBACKEND API */
std::string name() 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;
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);
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;
float dsp_load() const;
- framepos_t sample_time ();
- framepos_t sample_time_at_cycle_start ();
+ samplepos_t sample_time ();
+ samplepos_t sample_time_at_cycle_start ();
pframes_t samples_since_cycle_start ();
size_t raw_buffer_size (DataType t);
void transport_start ();
void transport_stop ();
- void transport_locate (framepos_t /*pos*/);
+ void transport_locate (samplepos_t /*pos*/);
TransportState transport_state () const;
- framepos_t transport_frame() 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;
std::string get_port_name (PortHandle) const;
PortHandle 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;
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_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;
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** buf, void* port_buffer, uint32_t event_index);
+ 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);
/* Latency management
*/
-
+
void set_latency_range (PortHandle, bool for_playback, LatencyRange);
LatencyRange get_latency_range (PortHandle, bool for_playback);
/* transport sync */
- bool speed_and_position (double& sp, framepos_t& pos);
+ bool speed_and_position (double& sp, samplepos_t& pos);
private:
boost::shared_ptr<JackConnection> _jack_connection;
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);
void set_jack_callbacks ();
int reconnect_to_jack ();
-
+
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*);
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;
typedef std::set<std::string> DeviceList;
typedef std::map<std::string,DeviceList> DriverDeviceMap;
-
+
mutable DriverDeviceMap all_devices;
PBD::ScopedConnection disconnect_connection;
void when_connected_to_jack ();
PBD::ScopedConnection jack_connection_connection;
- /* Object to manage interactions with Session in a way that
+ /* Object to manage interactions with Session in a way that
keeps JACK out of libardour directly
*/
} // namespace
#endif /* __ardour_audiobackend_h__ */
-
+