#include <boost/shared_ptr.hpp>
-#include <jack/jack.h>
-#include <jack/session.h>
+#include "weak_libjack.h"
#include "ardour/audio_backend.h"
class JACKAudioBackend : public AudioBackend {
public:
- JACKAudioBackend (AudioEngine& e, boost::shared_ptr<JackConnection>);
+ 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_sample_format (SampleFormat);
+ 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;
- SampleFormat sample_format () 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 _start (bool for_latency_measurement);
int stop ();
int freewheel (bool);
- float cpu_load() const;
+ float dsp_load() const;
- pframes_t sample_time ();
- pframes_t sample_time_at_cycle_start ();
+ framepos_t sample_time ();
+ framepos_t sample_time_at_cycle_start ();
pframes_t samples_since_cycle_start ();
size_t raw_buffer_size (DataType t);
void update_latencies ();
static bool already_configured();
-
+
/* PORTENGINE API */
const std::string& my_name() 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_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;
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** 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);
/* Latency management
*/
-
+
void set_latency_range (PortHandle, bool for_playback, LatencyRange);
LatencyRange get_latency_range (PortHandle, bool for_playback);
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 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
*/
JACKSession* _session;
+
+ protected:
+ int _start (bool for_latency_measurement);
};
} // namespace
#endif /* __ardour_audiobackend_h__ */
-
+
projects / ardour.git / blobdiff