merge 3.0P into trunk.

git-svn-id: svn://localhost/ardour2/branches/3.0@7224 d708f5d6-7413-0410-9779-e7cbd77b26cf

libs/ardour/ardour/buffer_manager.h

@@ -28,6 +28,7 @@ class BufferManager
 	
         typedef RingBufferNPT<ThreadBuffers*> ThreadBufferFIFO;
 	typedef std::list<ThreadBuffers*> ThreadBufferList;
+
         static ThreadBufferFIFO* thread_buffers;
 	static ThreadBufferList* thread_buffers_list;
 };

libs/ardour/ardour/route.h

@@ -43,6 +43,7 @@
 #include "ardour/types.h"
 #include "ardour/mute_master.h"
 #include "ardour/route_group_member.h"
+#include "ardour/graphnode.h"
 
 namespace ARDOUR {
 
@@ -56,7 +57,7 @@ class Send;
 class InternalReturn;
 class MonitorProcessor;
 
-class Route : public SessionObject, public AutomatableControls, public RouteGroupMember
+class Route : public SessionObject, public AutomatableControls, public RouteGroupMember, public GraphNode
 {
   public:
 

libs/ardour/ardour/session.h

@@ -119,6 +119,7 @@ class Slave;
 class Source;
 class TempoMap;
 class VSTPlugin;
+class Graph;
 class Track;
 
 extern void setup_enum_writer ();
@@ -1189,6 +1190,8 @@ class Session : public PBD::StatefulDestructible, public PBD::ScopedConnectionLi
 
 	/* routes stuff */
 
+	boost::shared_ptr<Graph> route_graph;
+
 	SerializedRCUManager<RouteList>  routes;
 
 	void add_routes (RouteList&, bool save);

libs/ardour/globals.cc

@@ -408,7 +408,7 @@ ARDOUR::init (bool use_vst, bool try_optimization)
 	new PluginManager ();
 
         ProcessThread::init ();
-        BufferManager::init (2); // XX should be num_processors_for_dsp
+        BufferManager::init (10); // XX should be num_processors_for_dsp
 
 	return 0;
 }

libs/ardour/route.cc

@@ -58,6 +58,7 @@
 #include "ardour/session.h"
 #include "ardour/timestamps.h"
 #include "ardour/utils.h"
+#include "ardour/graph.h"
 
 #include "i18n.h"
 
@@ -72,6 +73,7 @@ PBD::Signal0<void> Route::RemoteControlIDChange;
 Route::Route (Session& sess, string name, Flag flg, DataType default_type)
 	: SessionObject (sess, name)
 	, AutomatableControls (sess)
+	, GraphNode( sess.route_graph )
         , _active (true)
         , _initial_delay (0)
         , _roll_delay (0)

libs/ardour/session.cc

@@ -96,6 +96,7 @@
 #include "ardour/tape_file_matcher.h"
 #include "ardour/tempo.h"
 #include "ardour/utils.h"
+#include "ardour/graph.h"
 
 #include "midi++/jack.h"
 
@@ -144,6 +145,7 @@ Session::Session (AudioEngine &eng,
 	  _butler (new Butler (*this)),
 	  _post_transport_work (0),
 	  _send_timecode_update (false),
+	  route_graph (new Graph(*this)),
 	  routes (new RouteList),
 	  _total_free_4k_blocks (0),
 	  _bundles (new BundleList),
@@ -1322,8 +1324,11 @@ Session::resort_routes ()
 		shared_ptr<RouteList> r = writer.get_copy ();
 		resort_routes_using (r);
 		/* writer goes out of scope and forces update */
+                route_graph->rechain( r );
 	}
 
+	route_graph->dump(1);
+
 #ifndef NDEBUG
         boost::shared_ptr<RouteList> rl = routes.reader ();
         for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) {

libs/ardour/session_process.cc

@@ -36,6 +36,7 @@
 #include "ardour/session.h"
 #include "ardour/slave.h"
 #include "ardour/timestamps.h"
+#include "ardour/graph.h"
 #include "ardour/port.h"
 
 #include "midi++/manager.h"
@@ -104,6 +105,8 @@ Session::no_roll (nframes_t nframes)
 		_click_io->silence (nframes);
 	}
 
+	route_graph->routes_no_roll( nframes, _transport_frame, end_frame, non_realtime_work_pending(), actively_recording(), declick);
+        /*
 	for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
 
 		if ((*i)->is_hidden()) {
@@ -119,6 +122,7 @@ Session::no_roll (nframes_t nframes)
 			break;
 		}
 	}
+        */
 
 	return ret;
 }
@@ -141,6 +145,8 @@ Session::process_routes (nframes_t nframes, bool& need_butler)
 	const nframes_t start_frame = _transport_frame;
 	const nframes_t end_frame = _transport_frame + (nframes_t)floor(nframes * _transport_speed);
 
+	route_graph->process_routes( nframes, start_frame, end_frame, declick, record_active, rec_monitors, need_butler);
+/*
 	for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
 
 		int ret;
@@ -156,7 +162,7 @@ Session::process_routes (nframes_t nframes, bool& need_butler)
 			return -1;
 		}
 	}
-
+*/
 	return 0;
 }
 
@@ -176,6 +182,8 @@ Session::silent_process_routes (nframes_t nframes, bool& need_butler)
 	const nframes_t start_frame = _transport_frame;
 	const nframes_t end_frame = _transport_frame + lrintf(nframes * _transport_speed);
 
+	route_graph->silent_process_routes( nframes, start_frame, end_frame, record_active, rec_monitors, need_butler);
+/*
 	for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
 
 		int ret;
@@ -189,7 +197,7 @@ Session::silent_process_routes (nframes_t nframes, bool& need_butler)
 			return -1;
 		}
 	}
-
+*/
 	return 0;
 }
 

libs/ardour/wscript

@@ -99,6 +99,8 @@ libardour_sources = [
 	'find_session.cc',
 	'gain.cc',
 	'globals.cc',
+	'graph.cc',
+	'graphnode.cc',
 	'import.cc',
 	'internal_return.cc',
 	'internal_send.cc',
@@ -245,6 +247,8 @@ def configure(conf):
 	conf.check(header_name='wordexp.h', define_name='HAVE_WORDEXP')
 
 	conf.check(header_name='jack/session.h', define_name='HAVE_JACK_SESSION')
+
+	conf.check(header_name='unistd.h', define_name='HAVE_UNISTD')
         
 	conf.check_cc(fragment = "#include <jack/jack.h>\nvoid callback (int code, const char* reason, void* arg) { return; }\nint main(int argc, char **argv) { jack_client_t* c; jack_on_info_shutdown (c, callback, (void*) 0); return 0; }\n",
                       linkflags = ['-ljack'],