2 Copyright (C) 2010 Paul Davis
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21 #ifndef __ardour_graph_h__
22 #define __ardour_graph_h__
30 #include <boost/shared_ptr.hpp>
32 #include <glib/gatomic.h>
36 #include <semaphore.h>
38 #include <ardour/types.h>
39 #include <ardour/session_handle.h>
50 typedef boost::shared_ptr<GraphNode> node_ptr_t;
51 typedef boost::shared_ptr<Graph> graph_ptr_t;
53 typedef std::list< node_ptr_t > node_list_t;
54 typedef std::set< node_ptr_t > node_set_t;
58 class Graph : public SessionHandleRef
61 Graph( Session & session );
64 void trigger( GraphNode * n );
65 void rechain( boost::shared_ptr<RouteList> r );
67 void dump( int chain );
76 int silent_process_routes (nframes_t nframes, sframes_t start_frame, sframes_t end_frame,
77 bool can_record, bool rec_monitors_input, bool& need_butler );
79 int process_routes (nframes_t nframes, sframes_t start_frame, sframes_t end_frame, int declick,
80 bool can_record, bool rec_monitors_input, bool& need_butler );
82 int routes_no_roll (nframes_t nframes, sframes_t start_frame, sframes_t end_frame,
83 bool non_rt_pending, bool can_record, int declick);
85 void process_one_route( Route * route );
88 virtual void session_going_away ();
91 std::list<Glib::Thread *> _thread_list;
92 volatile bool _quit_threads;
95 node_list_t _nodes_rt[2];
97 node_list_t _init_trigger_list[2];
99 std::vector<GraphNode *> _trigger_queue;
100 pthread_mutex_t _trigger_mutex;
103 sem_t _execution_sem;
105 sem_t _callback_start_sem;
106 sem_t _callback_done_sem;
108 volatile gint _execution_tokens;
109 volatile gint _finished_refcount;
110 volatile gint _init_finished_refcount[2];
115 pthread_mutex_t _swap_mutex;
116 volatile int _current_chain;
117 volatile int _pending_chain;
118 volatile int _setup_chain;
121 nframes_t _process_nframes;
122 sframes_t _process_start_frame;
123 sframes_t _process_end_frame;
124 bool _process_can_record;
125 bool _process_rec_monitors_input;
126 bool _process_non_rt_pending;
127 int _process_declick;
129 bool _process_silent;
130 bool _process_noroll;
132 bool _process_need_butler;