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 /****************************************************************************************
  * Copyright (c) 2010 Téo Mrnjavac <teo@kde.org>                                        *
  *                                                                                      *
  * 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 program is distributed in the hope that it will be useful, but WITHOUT ANY      *
  * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A      *
  * PARTICULAR PURPOSE. See the GNU General Public License for more details.             *
  *                                                                                      *
  * You should have received a copy of the GNU General Public License along with         *
  * this program.  If not, see <http://www.gnu.org/licenses/>.                           *
  ****************************************************************************************/
 
 #ifndef TRANSCODING_JOB_H
 #define TRANSCODING_JOB_H
 
 #include "amarok_transcoding_export.h"
 #include "core/transcoding/TranscodingConfiguration.h"
 
 #include <KJob>
 #include <QUrl>
 
 #include <KProcess>
 
 namespace Transcoding
 {
 
 /**
  * A KJob that transcodes an audio stream from a file into another file with a different
  * codec and container format.
  * @author Téo Mrnjavac <teo@kde.org>
  */
 class AMAROK_TRANSCODING_EXPORT Job : public KJob
 {
     Q_OBJECT
 public:
     /**
      * Constructor. Creates a Transcoding::Job and fills in the source, destination and
      * encoder parameters. The job does not start automatically.
      * @param src the path of the source file.
      * @param dest the path of the destination file, to be created.
      * @param configuration the string of parameters to be fed to the encoder. This implementation
      *        uses the FFmpeg executable, @see http://ffmpeg.org/ffmpeg-doc.html#SEC6
      * @param parent the parent QObject.
      */
     explicit Job( const QUrl &src,
                   const QUrl &dest,
                   const Transcoding::Configuration &configuration,
                   QObject *parent = nullptr );
 
     /**
      * Convenience constructor. Creates a Transcoding::Job with the destination file to be
      * placed in the same directory as the source.
      */
     explicit Job( QUrl &src,
                   const Transcoding::Configuration &configuration,
                   QObject *parent = nullptr );
 
     /**
      * Sets the path of the source file.
      * @param src the path of the source file.
      */
     void setSource( const QUrl &src );
 
     /**
      * Sets the path of the destination file, to be created.
      * @param dest the path of the destination file.
      */
     void setDestination( const QUrl &dest );
 
     /**
      * Starts the transcoding job.
      */
     void start() override;
 
     /**
      * Get the source url.
      */
     QUrl srcUrl() const { return m_src; }
 
     /**
      * Get the destination url.
      */
     QUrl destUrl() const { return m_dest; }
 
 private Q_SLOTS:
     void processOutput();
     void transcoderDone( int exitCode, QProcess::ExitStatus exitStatus );
     void transcoderDoneDefault();
     void init();
 
 private:
     inline qint64 computeDuration( const QString &output );
     inline qint64 computeProgress( const QString &output );
     QUrl m_src;
     QUrl m_dest;
     Transcoding::Configuration m_configuration;
     KProcess *m_transcoder;
     qint64 m_duration; //in csec
 };
 
 } //namespace Transcoding
 
 #endif //TRANSCODING_JOB_H