rbutil/rbutilqt/base/talkgenerator.h

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  *
   9  *   Copyright (C) 2007 by Dominik Wenger
  10  *   $Id$
  11  *
  12  * This program is free software; you can redistribute it and/or
  13  * modify it under the terms of the GNU General Public License
  14  * as published by the Free Software Foundation; either version 2
  15  * of the License, or (at your option) any later version.
  16  *
  17  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  18  * KIND, either express or implied.
  19  *
  20  ****************************************************************************/
  21
  22
  23 #ifndef TALKGENERATOR_H
  24 #define TALKGENERATOR_H
  25
  26 #include <QtCore>
  27 #include "progressloggerinterface.h"
  28
  29 #include "encoders.h"
  30 #include "ttsbase.h"
  31
  32 //! \brief Talk generator, generates .wav and .talk files out of a list.
  33 class TalkGenerator :public QObject
  34 {
  35     Q_OBJECT
  36 public:
  37     enum Status
  38     {
  39         eOK,
  40         eWARNING,
  41         eERROR
  42     };
  43
  44     struct TalkEntry
  45     {
  46         QString toSpeak;
  47         QString wavfilename;
  48         QString talkfilename;
  49         QString target;
  50         bool voiced;
  51         bool encoded;
  52
  53       /* We need the following members because
  54        * 1) the QtConcurrent entry points are all static methods (and we
  55        * need to communicate with the TalkGenerator)
  56        * 2) we are not guaranteed to go through the list in any
  57        * particular order, so we can't use the progress slot
  58        * for error checking */
  59       struct
  60       {
  61         EncBase* encoder;
  62         TTSBase* tts;
  63         TalkGenerator* generator;
  64         int wavtrim;
  65       } refs;
  66     };
  67
  68     TalkGenerator(QObject* parent);
  69     Status process(QList<TalkEntry>* list,int wavtrimth = -1);
  70
  71 public slots:
  72     void abort();
  73     void encProgress(int value);
  74     void ttsProgress(int value);
  75
  76 signals:
  77     void done(bool);
  78     void logItem(QString, int); //! set logger item
  79     void logProgress(int, int); //! set progress bar.
  80
  81 private:
  82     QFutureWatcher<void> encFutureWatcher;
  83     QFutureWatcher<void> ttsFutureWatcher;
  84     void encFailEntry(const TalkEntry& entry);
  85     void ttsFailEntry(const TalkEntry& entry, TTSStatus status, QString error);
  86
  87     Status voiceList(QList<TalkEntry>* list,int wavetrimth);
  88     Status encodeList(QList<TalkEntry>* list);
  89
  90     static void encEntryPoint(TalkEntry& entry);
  91     static void ttsEntryPoint(TalkEntry& entry);
  92
  93     TTSBase* m_tts;
  94     EncBase* m_enc;
  95
  96     bool m_ttsWarnings;
  97 };
  98
  99
 100 #endif
 101