synth_thread.h

00001 
00002 /***************************************************************************
00003  *  synth_thread.h - Flite synthesis thread
00004  *
00005  *  Created: Tue Oct 28 14:31:58 2008
00006  *  Copyright  2006-2008  Tim Niemueller [www.niemueller.de]
00007  *
00008  ****************************************************************************/
00009 
00010 /*  This program is free software; you can redistribute it and/or modify
00011  *  it under the terms of the GNU General Public License as published by
00012  *  the Free Software Foundation; either version 2 of the License, or
00013  *  (at your option) any later version.
00014  *
00015  *  This program is distributed in the hope that it will be useful,
00016  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
00017  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00018  *  GNU Library General Public License for more details.
00019  *
00020  *  Read the full text in the LICENSE.GPL file in the doc directory.
00021  */
00022 
00023 #ifndef __PLUGINS_FLITE_SYNTH_THREAD_H_
00024 #define __PLUGINS_FLITE_SYNTH_THREAD_H_
00025 
00026 #include <core/threading/thread.h>
00027 #include <aspect/blocked_timing.h>
00028 #include <aspect/logging.h>
00029 #include <aspect/configurable.h>
00030 #include <aspect/blackboard.h>
00031 #include <aspect/clock.h>
00032 #include <blackboard/interface_listener.h>
00033 
00034 #include <flite/flite.h>
00035 
00036 namespace fawkes {
00037   class SpeechSynthInterface;
00038 }
00039 
00040 class FliteSynthThread
00041 : public fawkes::Thread,
00042   public fawkes::LoggingAspect,
00043   public fawkes::ConfigurableAspect,
00044   public fawkes::ClockAspect,
00045   public fawkes::BlackBoardAspect,
00046   public fawkes::BlackBoardInterfaceListener
00047 {
00048  public:
00049   FliteSynthThread();
00050 
00051   virtual void init();
00052   virtual void finalize();
00053   virtual void loop();
00054 
00055   void say(const char *text);
00056 
00057   virtual bool bb_interface_message_received(fawkes::Interface *interface,
00058                                              fawkes::Message *message) throw();
00059 
00060  /** Stub to see name in backtrace for easier debugging. @see Thread::run() */
00061  protected: virtual void run() { Thread::run(); }
00062 
00063  private: /* methods */
00064   void  play_wave(cst_wave *wave);
00065   float get_duration(cst_wave *wave);
00066 
00067  private:
00068   fawkes::SpeechSynthInterface   *__speechsynth_if;
00069 
00070   cst_voice  *__voice;
00071 };
00072 
00073 
00074 #endif

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