X-Git-Url: https://git.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fardour%2Fardour%2Fgraph.h;h=e6eae0750d7e7bce34e7c9eea530841f3fda4d39;hb=e5a181c323243a03338f5a9934a5df254986370d;hp=e5c03ad1342ada6e61749b8f9badf6ff17bc3618;hpb=d7cc7e7d9c3746bc8aa9b287b54a4e7aab98d38b;p=ardour.git

diff --git a/libs/ardour/ardour/graph.h b/libs/ardour/ardour/graph.h
index e5c03ad134..e6eae0750d 100644
--- a/libs/ardour/ardour/graph.h
+++ b/libs/ardour/ardour/graph.h
@@ -29,13 +29,12 @@
 #include <boost/shared_ptr.hpp>
 
 #include <glib.h>
-#include <cassert>
-
-#include <pthread.h>
 
 #include "pbd/semutils.h"
 
+#include "ardour/libardour_visibility.h"
 #include "ardour/types.h"
+#include "ardour/audio_backend.h"
 #include "ardour/session_handle.h"
 
 namespace ARDOUR
@@ -46,41 +45,29 @@ class Graph;
 
 class Route;
 class Session;
-class GraphEdges;	
+class GraphEdges;
 
 typedef boost::shared_ptr<GraphNode> node_ptr_t;
 
 typedef std::list< node_ptr_t > node_list_t;
 typedef std::set< node_ptr_t > node_set_t;
 
-class Graph : public SessionHandleRef
+class LIBARDOUR_API Graph : public SessionHandleRef
 {
 public:
 	Graph (Session & session);
 
-	uint32_t threads_in_use () const { return _thread_list.size(); }
-
-	void prep();
 	void trigger (GraphNode * n);
 	void rechain (boost::shared_ptr<RouteList>, GraphEdges const &);
 
 	void dump (int chain);
-	void process();
 	void dec_ref();
-	void restart_cycle();
 
-	bool run_one();
 	void helper_thread();
-	void main_thread();
 
-	int silent_process_routes (pframes_t nframes, framepos_t start_frame, framepos_t end_frame,
-	                           bool& need_butler);
+	int process_routes (pframes_t nframes, samplepos_t start_sample, samplepos_t end_sample, bool& need_butler);
 
-	int process_routes (pframes_t nframes, framepos_t start_frame, framepos_t end_frame, int declick,
-	                    bool& need_butler);
-
-	int routes_no_roll (pframes_t nframes, framepos_t start_frame, framepos_t end_frame,
-	                    bool non_rt_pending, int declick);
+	int routes_no_roll (pframes_t nframes, samplepos_t start_sample, samplepos_t end_sample, bool non_rt_pending );
 
 	void process_one_route (Route * route);
 
@@ -92,11 +79,14 @@ protected:
 	virtual void session_going_away ();
 
 private:
-	std::list<pthread_t> _thread_list;
-	volatile bool        _quit_threads;
+	volatile bool        _threads_active;
 
 	void reset_thread_list ();
 	void drop_threads ();
+	void restart_cycle();
+	bool run_one();
+	void main_thread();
+	void prep();
 
 	node_list_t _nodes_rt[2];
 
@@ -105,12 +95,11 @@ private:
 	std::vector<GraphNode *> _trigger_queue;
 	pthread_mutex_t          _trigger_mutex;
 
-	PBD::ProcessSemaphore _execution_sem;
+	PBD::Semaphore _execution_sem;
 
 	/** Signalled to start a run of the graph for a process callback */
-	PBD::ProcessSemaphore _callback_start_sem;
-	PBD::ProcessSemaphore _callback_done_sem;
-	PBD::ProcessSemaphore _cleanup_sem;
+	PBD::Semaphore _callback_start_sem;
+	PBD::Semaphore _callback_done_sem;
 
 	/** The number of processing threads that are asleep */
 	volatile gint _execution_tokens;
@@ -122,24 +111,26 @@ private:
 	bool _graph_empty;
 
 	// chain swapping
-	Glib::Mutex  _swap_mutex;
-	Glib::Cond   _cleanup_cond;
+	Glib::Threads::Mutex  _swap_mutex;
+        Glib::Threads::Cond   _cleanup_cond;
 	volatile int _current_chain;
 	volatile int _pending_chain;
 	volatile int _setup_chain;
 
 	// parameter caches.
 	pframes_t  _process_nframes;
-	framepos_t _process_start_frame;
-	framepos_t _process_end_frame;
+	samplepos_t _process_start_sample;
+	samplepos_t _process_end_sample;
 	bool	   _process_can_record;
 	bool	   _process_non_rt_pending;
-	int        _process_declick;
 
-	bool _process_silent;
 	bool _process_noroll;
 	int  _process_retval;
 	bool _process_need_butler;
+
+	// enginer / thread connection
+	PBD::ScopedConnectionList engine_connections;
+	void engine_stopped ();
 };
 
 } // namespace