2 Copyright (C) 2010 Paul Davis
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21 #ifndef __ardour_graph_h__
22 #define __ardour_graph_h__
29 #include <boost/shared_ptr.hpp>
31 #include <glib/gatomic.h>
36 #include "pbd/semutils.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;
56 class Graph : public SessionHandleRef
59 Graph (Session & session);
62 void trigger (GraphNode * n);
63 void rechain (boost::shared_ptr<RouteList> r);
65 void dump (int chain);
74 int silent_process_routes (pframes_t nframes, framepos_t start_frame, framepos_t end_frame,
75 bool can_record, bool rec_monitors_input, bool& need_butler);
77 int process_routes (pframes_t nframes, framepos_t start_frame, framepos_t end_frame, int declick,
78 bool can_record, bool rec_monitors_input, bool& need_butler);
80 int routes_no_roll (pframes_t nframes, framepos_t start_frame, framepos_t end_frame,
81 bool non_rt_pending, bool can_record, int declick);
83 void process_one_route (Route * route);
85 void clear_other_chain ();
87 bool in_process_thread () const;
90 virtual void session_going_away ();
93 std::list<pthread_t> _thread_list;
94 volatile bool _quit_threads;
96 node_list_t _nodes_rt[2];
98 node_list_t _init_trigger_list[2];
100 std::vector<GraphNode *> _trigger_queue;
101 pthread_mutex_t _trigger_mutex;
103 PBD::ProcessSemaphore _execution_sem;
105 PBD::ProcessSemaphore _callback_start_sem;
106 PBD::ProcessSemaphore _callback_done_sem;
107 PBD::ProcessSemaphore _cleanup_sem;
109 volatile gint _execution_tokens;
110 volatile gint _finished_refcount;
111 volatile gint _init_finished_refcount[2];
116 Glib::Mutex _swap_mutex;
117 Glib::Cond _cleanup_cond;
118 volatile int _current_chain;
119 volatile int _pending_chain;
120 volatile int _setup_chain;
123 pframes_t _process_nframes;
124 framepos_t _process_start_frame;
125 framepos_t _process_end_frame;
126 bool _process_can_record;
127 bool _process_rec_monitors_input;
128 bool _process_non_rt_pending;
129 int _process_declick;
131 bool _process_silent;
132 bool _process_noroll;
134 bool _process_need_butler;
139 #endif /* __ardour_graph_h__ */