add AudioEngine API to configure individual MIDI devices

[ardour.git] / libs / backends / jack / jack_audiobackend.h

diff --git a/libs/backends/jack/jack_audiobackend.h b/libs/backends/jack/jack_audiobackend.h
index cb24835d5b2d674f95ccc7a85fcc6299f4c04901..000a34816191fc94ceff80e624fa3bd96ada7eea 100644 (file)
--- a/libs/backends/jack/jack_audiobackend.h
+++ b/libs/backends/jack/jack_audiobackend.h
@@ -41,7 +41,7 @@ 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 */
@@ -68,33 +68,33 @@ class JACKAudioBackend : public AudioBackend {
     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);
     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; }
 
     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;
+    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 ();
     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 ();
@@ -127,7 +127,7 @@ class JACKAudioBackend : public AudioBackend {
 
     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;
 
@@ -149,6 +149,23 @@ class JACKAudioBackend : public AudioBackend {
     
     /* 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;
+    }
+
     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);
@@ -179,6 +196,10 @@ class JACKAudioBackend : public AudioBackend {
 
     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;
@@ -221,7 +242,7 @@ class JACKAudioBackend : public AudioBackend {
     void*  process_thread ();
     static void* _start_process_thread (void*);
 
-    void setup_jack_startup_command ();
+    void setup_jack_startup_command (bool for_latency_measurement);
 
     /* pffooo */
 
@@ -237,6 +258,7 @@ class JACKAudioBackend : public AudioBackend {
     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;
@@ -264,6 +286,9 @@ class JACKAudioBackend : public AudioBackend {
     */
 
     JACKSession* _session;
+
+  protected:
+    int _start (bool for_latency_measurement);
 };
 
 } // namespace