1 // speech synthesis interface subsystem
3 // Written by Melchior FRANZ, started February 2006.
5 // Copyright (C) 2006 Melchior FRANZ - mfranz@aon.at
7 // This program is free software; you can redistribute it and/or
8 // modify it under the terms of the GNU General Public License as
9 // published by the Free Software Foundation; either version 2 of the
10 // License, or (at your option) any later version.
12 // This program is distributed in the hope that it will be useful, but
13 // WITHOUT ANY WARRANTY; without even the implied warranty of
14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 // General Public License for more details.
17 // You should have received a copy of the GNU General Public License
18 // along with this program; if not, write to the Free Software
19 // Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
32 #include <simgear/compiler.h>
33 #include <simgear/props/props.hxx>
34 #include <simgear/io/sg_socket.hxx>
35 #include <simgear/structure/subsystem_mgr.hxx>
37 #include <Main/fg_props.hxx>
39 #if defined(ENABLE_THREADS)
40 # include <OpenThreads/Thread>
41 # include <OpenThreads/Mutex>
42 # include <OpenThreads/ScopedLock>
43 # include <OpenThreads/Condition>
44 # include <simgear/threads/SGQueue.hxx>
47 #endif // ENABLE_THREADS
53 class FGVoiceMgr : public SGSubsystem {
59 void update(double dt);
64 friend class FGFestivalVoice;
65 #if defined(ENABLE_THREADS)
67 FGVoiceThread *_thread;
73 SGPropertyNode_ptr _pausedNode;
75 std::vector<FGVoice *> _voices;
80 #if defined(ENABLE_THREADS)
81 class FGVoiceMgr::FGVoiceThread : public OpenThreads::Thread {
83 FGVoiceThread(FGVoiceMgr *mgr) : _mgr(mgr) {}
85 void wake_up() { _jobs.signal(); }
88 void wait_for_jobs() { OpenThreads::ScopedLock<OpenThreads::Mutex> g(_mutex); _jobs.wait(&_mutex); }
89 OpenThreads::Condition _jobs;
90 OpenThreads::Mutex _mutex;
97 class FGVoiceMgr::FGVoice : public SGPropertyChangeListener {
99 FGVoice(FGVoiceMgr * mgr ) : _mgr(mgr) {}
100 virtual ~FGVoice() {}
101 virtual void speak( const std::string & msg ) = 0;
102 virtual void update() = 0;
103 void pushMessage( const std::string & m);
107 void valueChanged(SGPropertyNode *node);
111 #if defined(ENABLE_THREADS)
112 SGLockedQueue<std::string> _msg;
114 std::queue<std::string> _msg;