fix up wscript/build issues in exportvis after merge with master

[ardour.git] / libs / ardour / ardour / audioengine.h

diff --git a/libs/ardour/ardour/audioengine.h b/libs/ardour/ardour/audioengine.h
index 4db1604345922619f64b45c62178555700519568..499f8324ebf272d04594f5c8669e7191797dbf50 100644 (file)
--- a/libs/ardour/ardour/audioengine.h
+++ b/libs/ardour/ardour/audioengine.h
@@ -39,6 +39,7 @@
 #include "ardour/ardour.h"
 #include "ardour/data_type.h"
 #include "ardour/session_handle.h"
+#include "ardour/libardour_visibility.h"
 #include "ardour/types.h"
 #include "ardour/chan_count.h"
 #include "ardour/port_manager.h"
@@ -47,6 +48,8 @@
 #include <jack/session.h>
 #endif
 
+class MTDM;
+
 namespace ARDOUR {
 
 class InternalPort;
@@ -57,7 +60,7 @@ class ProcessThread;
 class AudioBackend;
 class AudioBackendInfo;
 
-class AudioEngine : public SessionHandlePtr, public PortManager
+class LIBARDOUR_API AudioEngine : public SessionHandlePtr, public PortManager
 {
 public:
 
@@ -68,6 +71,7 @@ public:
     int discover_backends();
     std::vector<const AudioBackendInfo*> available_backends() const;
     std::string current_backend_name () const;
+    boost::shared_ptr<AudioBackend> set_default_backend ();
     boost::shared_ptr<AudioBackend> set_backend (const std::string&, const std::string& arg1, const std::string& arg2);
     boost::shared_ptr<AudioBackend> current_backend() const { return _backend; }
     bool setup_required () const;
@@ -80,9 +84,8 @@ public:
      * just forward to a backend implementation.
      */
 
-    int            start ();
-    int            stop ();
-    int            pause ();
+    int            start (bool for_latency_measurement=false);
+    int            stop (bool for_latency_measurement=false);
     int            freewheel (bool start_stop);
     float          get_cpu_load() const ;
     void           transport_start ();
@@ -98,7 +101,12 @@ public:
     pframes_t      sample_time_at_cycle_start ();
     pframes_t      samples_since_cycle_start ();
     bool           get_sync_offset (pframes_t& offset) const;
-    int            create_process_thread (boost::function<void()> func, pthread_t*, size_t stacksize);
+
+    int            create_process_thread (boost::function<void()> func);
+    int            join_process_threads ();
+    bool           in_process_thread ();
+    uint32_t       process_thread_count ();
+
     bool           is_realtime() const;
     bool           connected() const;
 
@@ -182,13 +190,21 @@ public:
     /* sets up the process callback thread */
     static void thread_init_callback (void *);
 
+    /* latency measurement */
+
+    MTDM* mtdm();
+    int  prepare_for_latency_measurement ();
+    int  start_latency_detection ();
+    void stop_latency_detection ();
+    void set_latency_input_port (const std::string&);
+    void set_latency_output_port (const std::string&);
+    uint32_t latency_signal_delay () const { return _latency_signal_latency; }
+
   private:
     AudioEngine ();
 
     static AudioEngine*       _instance;
 
-    boost::shared_ptr<AudioBackend> _backend;
-
     Glib::Threads::Mutex      _process_lock;
     Glib::Threads::Cond        session_removed;
     bool                       session_remove_pending;
@@ -205,16 +221,24 @@ public:
     framecnt_t                _processed_frames;
     Glib::Threads::Thread*     m_meter_thread;
     ProcessThread*            _main_thread;
-    
+    MTDM*                     _mtdm;
+    bool                      _measuring_latency;
+    PortEngine::PortHandle    _latency_input_port;
+    PortEngine::PortHandle    _latency_output_port;
+    framecnt_t                _latency_flush_frames;
+    std::string               _latency_input_name;
+    std::string               _latency_output_name;
+    framecnt_t                _latency_signal_latency;
+    bool                      _stopped_for_latency;
+    bool                      _started_for_latency;
+    bool                      _in_destructor;
+
     void meter_thread ();
     void start_metering_thread ();
     void stop_metering_thread ();
     
     static gint      m_meter_exit;
     
-    void parameter_changed (const std::string&);
-    PBD::ScopedConnection config_connection;
-
     typedef std::map<std::string,AudioBackendInfo*> BackendMap;
     BackendMap _backends;
     AudioBackendInfo* backend_discover (const std::string&);