rbutil: improve voice and talk generation.

- introduce a talkgenerator to better share code between voice and talk generation.
- name intermediate .talkfiles after the md5sum of the text. (prevents naming problems).
- do not directly use the logger, instead emit signals.
- move talkfile and voicefile generation to base/

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@21524 a1c6a512-1295-4272-9138-f99709370657

rbutil/rbutilqt/base/talkgenerator.h

@@ -0,0 +1,78 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ *
+ *   Copyright (C) 2007 by Dominik Wenger
+ *   $Id$
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+
+
+#ifndef TALKGENERATOR_H
+#define TALKGENERATOR_H
+
+#include <QtCore>
+#include "progressloggerinterface.h"
+
+#include "encoders.h"
+#include "tts.h"
+
+//! \brief Talk generator, generates .wav and .talk files out of a list.
+class TalkGenerator :public QObject
+{
+    Q_OBJECT
+public:
+    enum Status
+    {
+        eOK,
+        eWARNING,
+        eERROR
+    };
+
+    struct TalkEntry
+    {
+        QString toSpeak;
+        QString wavfilename;
+        QString talkfilename;
+        QString target;
+        bool voiced;
+        bool encoded;
+    };
+
+    TalkGenerator(QObject* parent);
+
+    Status process(QList<TalkEntry>* list,int wavtrimth = -1);
+
+public slots:
+    void abort();
+
+signals:
+    void done(bool);
+    void logItem(QString, int); //! set logger item
+    void logProgress(int, int); //! set progress bar.
+
+private:
+    Status voiceList(QList<TalkEntry>* list,int wavetrimth);
+    Status encodeList(QList<TalkEntry>* list);
+
+    TTSBase* m_tts;
+    EncBase* m_enc;
+
+    bool m_abort;
+};
+
+
+#endif
+