src/Thread_Process.h

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // LameXP - Audio Encoder Front-End
   3 // Copyright (C) 2004-2011 LoRd_MuldeR <MuldeR2@GMX.de>
   4 //
   5 // This program is free software; you can redistribute it and/or modify
   6 // it under the terms of the GNU General Public License as published by
   7 // the Free Software Foundation; either version 2 of the License, or
   8 // (at your option) any later version.
   9 //
  10 // This program is distributed in the hope that it will be useful,
  11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 // GNU General Public License for more details.
  14 //
  15 // You should have received a copy of the GNU General Public License along
  16 // with this program; if not, write to the Free Software Foundation, Inc.,
  17 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18 //
  19 // http://www.gnu.org/licenses/gpl-2.0.txt
  20 ///////////////////////////////////////////////////////////////////////////////
  21
  22 #pragma once
  23
  24 #include <QThread>
  25 #include <QUuid>
  26 #include <QStringList>
  27
  28 #include "Model_AudioFile.h"
  29 #include "Encoder_Abstract.h"
  30
  31 class QMutex;
  32 class AbstractFilter;
  33
  34 class ProcessThread: public QThread
  35 {
  36         Q_OBJECT
  37
  38 public:
  39         ProcessThread(const AudioFileModel &audioFile, const QString &outputDirectory, const QString &tempDirectory, AbstractEncoder *encoder, const bool prependRelativeSourcePath);
  40         ~ProcessThread(void);
  41
  42         void run();
  43
  44         void abort() { m_aborted = true; }
  45         QUuid getId() { return m_jobId; }
  46         void setRenamePattern(const QString &pattern);
  47         void addFilter(AbstractFilter *filter);
  48
  49 private slots:
  50         void handleUpdate(int progress);
  51         void handleMessage(const QString &line);
  52
  53 signals:
  54         void processStateInitialized(const QUuid &jobId, const QString &jobName, const QString &jobInitialStatus, int jobInitialState);
  55         void processStateChanged(const QUuid &jobId, const QString &newStatus, int newState);
  56         void processStateFinished(const QUuid &jobId, const QString &outFileName, bool success);
  57         void processMessageLogged(const QUuid &jobId, const QString &line);
  58
  59 private:
  60         enum ProcessStep
  61         {
  62                 DecodingStep = 0,
  63                 FilteringStep = 1,
  64                 EncodingStep = 2,
  65                 UnknownStep = 3
  66         };
  67
  68         void processFile();
  69         QString generateOutFileName(void);
  70         QString generateTempFileName(void);
  71         void insertDownsampleFilter(void);
  72         void insertDownmixFilter(void);
  73
  74         const QUuid m_jobId;
  75         AudioFileModel m_audioFile;
  76         AbstractEncoder *m_encoder;
  77         const QString m_outputDirectory;
  78         const QString m_tempDirectory;
  79         volatile bool m_aborted;
  80         ProcessStep m_currentStep;
  81         QStringList m_tempFiles;
  82         const bool m_prependRelativeSourcePath;
  83         QList<AbstractFilter*> m_filters;
  84         QString m_renamePattern;
  85
  86         static QMutex *m_mutex_genFileName;
  87 };