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/***************************************************************************
 *             __________               __   ___.
 *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
 *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
 *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
 *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
 *                     \/            \/     \/    \/            \/
 *
 *   Copyright (C) 2007 by Dominik Wenger
 *   $Id: talkfile.cpp 14027 2007-07-27 17:42:49Z domonoky $
 *
 * All files in this archive are subject to the GNU General Public License.
 * See the file COPYING in the source tree root for full license agreement.
 *
 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
 * KIND, either express or implied.
 *
 ****************************************************************************/

#include "talkfile.h"

TalkFileCreator::TalkFileCreator(QObject* parent): QObject(parent)
{
   
}

void TalkFileCreator::setTTsType(QString tts)
{
	m_curTTS = tts;
	int index = m_supportedTTS.indexOf(m_curTTS);
	m_curTTSTemplate = m_supportedTTSTemplates.at(index);
}

void TalkFileCreator::setEncType(QString enc)
{
	m_curEnc = enc;
	int index = m_supportedEnc.indexOf(m_curEnc);
	m_curEncTemplate = m_supportedEncTemplates.at(index);
}

bool TalkFileCreator::initEncoder()
{
    QFileInfo enc(m_EncExec);
    if(enc.exists())
    {
        return true;
    }
    else
    {
        return false;
    }
}

bool TalkFileCreator::initTTS()
{
    QFileInfo tts(m_TTSexec);
    
    if(tts.exists())
    {
        return true;
    }
    else
    {
        return false;
    }
}

bool TalkFileCreator::createTalkFiles(ProgressloggerInterface* logger)
{
	m_abort = false;
    m_logger = logger;
    m_logger->addItem("Starting Talkfile generation",LOGINFO);
    if(!initTTS())
    {
        m_logger->addItem("Init of TTS engine failed",LOGERROR);
        return false;
    }
    if(!initEncoder())
    {
        m_logger->addItem("Init of encoder failed",LOGERROR);
        return false;
    }
    QApplication::processEvents();
    
    connect(logger,SIGNAL(aborted()),this,SLOT(abort()));
    m_logger->setProgressMax(0);
    QDirIterator it(m_dir,QDirIterator::Subdirectories);
    // iterate over all entrys
    while (it.hasNext()) 
    {
    	if(m_abort)
    	{
    		m_logger->addItem("Talkfile creation aborted",LOGERROR);
    		return false;
    	}
    	
    	QApplication::processEvents();  
        QFileInfo fileInf = it.fileInfo();
        QString toSpeak;
        QString filename;
        QString wavfilename;
        
        if(fileInf.fileName() == "." || fileInf.fileName() == ".." || fileInf.suffix() == "talk")
        { 	
        	it.next();
            continue;
        }
        if(fileInf.isDir())  // if it is a dir
        {
            toSpeak = fileInf.fileName();
            filename = fileInf.absolutePath() + "/_dirname.talk";
        }
        else   // if it is a file
        {
            if(m_stripExtensions)
                toSpeak = fileInf.baseName();
            else
                toSpeak = fileInf.fileName();
            filename = fileInf.absoluteFilePath() + ".talk";
        }
        wavfilename = filename + ".wav";
        
        QFileInfo filenameInf(filename);
        QFileInfo wavfilenameInf(wavfilename);
        
        if(!filenameInf.exists() || m_overwriteTalk)
        {
            if(!wavfilenameInf.exists() || m_overwriteWav)
            {
                m_logger->addItem("Voicing of " + toSpeak,LOGINFO);
                if(!voice(toSpeak,wavfilename))
                {
                    m_logger->addItem("Voicing of " + toSpeak + " failed",LOGERROR);
                    m_logger->abort();
                    return false;
                }
            }
            m_logger->addItem("Encoding of " + toSpeak,LOGINFO);
            if(!encode(wavfilename,filename))
            {
                m_logger->addItem("Encoding of " + wavfilename + " failed",LOGERROR);
                m_logger->abort();
                return false;
            }
        }
        
        if(m_removeWav)
        {
            QFile wavfile(wavfilename);
            wavfile.remove();
        }    

        it.next();
    }
    
    m_logger->addItem("Finished creating Talkfiles",LOGOK);
    m_logger->setProgressMax(1);
    m_logger->setProgressValue(1);
    m_logger->abort();
    
    return true; 

}

void TalkFileCreator::abort()
{
	m_abort = true;
}

bool TalkFileCreator::voice(QString text,QString wavfile)
{
           
   QString execstring = m_curTTSTemplate;
    	
   execstring.replace("%exe",m_TTSexec);
   execstring.replace("%options",m_TTSOpts);
   execstring.replace("%wavfile",wavfile);
   execstring.replace("%text",text);
        
   QProcess::execute(execstring);
   return true;
   
}

bool TalkFileCreator::encode(QString input,QString output)
{
   	QString execstring = m_curEncTemplate;
        	
    execstring.replace("%exe",m_EncExec);
    execstring.replace("%options",m_EncOpts);
    execstring.replace("%input",input);
    execstring.replace("%output",output);
           
   QProcess::execute(execstring);
   return true;

}

QString TalkFileCreator::getTTsOpts(QString ttsname)
{
    int index = m_supportedTTS.indexOf(ttsname);

    return m_supportedTTSOpts.at(index);
}

QString TalkFileCreator::getEncOpts(QString encname)
{
    int index = m_supportedEnc.indexOf(encname);

    return m_supportedEncOpts.at(index);
}