src/Sound/voice.hxx

   1 // speech synthesis interface subsystem
   2 //
   3 // Written by Melchior FRANZ, started February 2006.
   4 //
   5 // Copyright (C) 2006  Melchior FRANZ - mfranz@aon.at
   6 //
   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.
  11 //
  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.
  16 //
  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.
  20 //
  21 // $Id$
  22
  23 #ifndef _VOICE_HXX
  24 #define _VOICE_HXX
  25
  26 #ifdef HAVE_CONFIG_H
  27 #  include <config.h>
  28 #endif
  29
  30 #include <vector>
  31
  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>
  36
  37 #include <Main/fg_props.hxx>
  38
  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>
  45 #else
  46 #  include <queue>
  47 #endif // ENABLE_THREADS
  48
  49 using std::vector;
  50
  51
  52
  53 class FGVoiceMgr : public SGSubsystem {
  54 public:
  55         FGVoiceMgr();
  56         ~FGVoiceMgr();
  57         void init(void);
  58         void update(double dt);
  59
  60 private:
  61         class FGVoice;
  62
  63 #if defined(ENABLE_THREADS)
  64         class FGVoiceThread;
  65         FGVoiceThread *_thread;
  66 #endif
  67
  68   std::string _host;
  69   std::string _port;
  70         bool _enabled;
  71         SGPropertyNode_ptr _pausedNode;
  72         bool _paused;
  73   std::vector<FGVoice *> _voices;
  74 };
  75
  76
  77
  78 #if defined(ENABLE_THREADS)
  79 class FGVoiceMgr::FGVoiceThread : public OpenThreads::Thread {
  80 public:
  81         FGVoiceThread(FGVoiceMgr *mgr) : _mgr(mgr) {}
  82         void run();
  83         void wake_up() { _jobs.signal(); }
  84
  85 private:
  86         void wait_for_jobs() { OpenThreads::ScopedLock<OpenThreads::Mutex> g(_mutex); _jobs.wait(&_mutex); }
  87         OpenThreads::Condition _jobs;
  88         OpenThreads::Mutex _mutex;
  89         FGVoiceMgr *_mgr;
  90 };
  91 #endif
  92
  93
  94
  95 class FGVoiceMgr::FGVoice {
  96 public:
  97         FGVoice(FGVoiceMgr *, const SGPropertyNode_ptr);
  98         ~FGVoice();
  99         bool speak();
 100         void update();
 101         void setVolume(double);
 102         void setPitch(double);
 103         void setSpeed(double);
 104         void pushMessage(std::string);
 105
 106 private:
 107         class FGVoiceListener;
 108         SGSocket *_sock;
 109         double _volume;
 110         double _pitch;
 111         double _speed;
 112         SGPropertyNode_ptr _volumeNode;
 113         SGPropertyNode_ptr _pitchNode;
 114         SGPropertyNode_ptr _speedNode;
 115         bool _festival;
 116         FGVoiceMgr *_mgr;
 117
 118 #if defined(ENABLE_THREADS)
 119         SGLockedQueue<std::string> _msg;
 120 #else
 121   std::queue<std::string> _msg;
 122 #endif
 123
 124 };
 125
 126
 127
 128 class FGVoiceMgr::FGVoice::FGVoiceListener : public SGPropertyChangeListener {
 129 public:
 130         FGVoiceListener(FGVoice *voice) : _voice(voice) {}
 131         void valueChanged(SGPropertyNode *node);
 132
 133 private:
 134         FGVoice *_voice;
 135 };
 136
 137
 138 #endif // _VOICE_HXX