File indexing completed on 2024-06-02 04:51:54

 /****************************************************************************************
  * Copyright (c) 2009 Casey Link <unnamedrambler@gmail.com>                             *
  *                                                                                      *
  * 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/>.                           *
  ****************************************************************************************/
 
 #include "TimecodeObserver.h"
 
 #include "core/meta/Meta.h"
 #include "core/support/Debug.h"
 #include "core-impl/collections/support/CollectionManager.h"
 #include "core-impl/capabilities/timecode/TimecodeWriteCapability.h"
 
 const qint64 TimecodeObserver::m_threshold = 600 * 1000; // 6000000ms = 10 minutes
 
 TimecodeObserver::TimecodeObserver( QObject *parent )
     : QObject( parent )
     , m_trackTimecodeable ( false )
     , m_currentTrack ( nullptr )
     , m_currPos ( 0 )
 {
     EngineController *engine = The::engineController();
 
     connect( engine, &EngineController::stopped,
              this, &TimecodeObserver::stopped );
     connect( engine, &EngineController::trackPlaying,
              this, &TimecodeObserver::trackPlaying );
     connect( engine, &EngineController::trackPositionChanged,
              this, &TimecodeObserver::trackPositionChanged );
 }
 
 TimecodeObserver::~TimecodeObserver()
 {}
 
 void
 TimecodeObserver::stopped( qint64 finalPosition, qint64 trackLength )
 {
     DEBUG_BLOCK
 
     if( m_trackTimecodeable && finalPosition != trackLength && trackLength > m_threshold && finalPosition > 60 * 1000 )
     {
         Meta::TrackPtr currentTrack = The::engineController()->currentTrack();
         if( currentTrack )
         {
             Capabilities::TimecodeWriteCapability *tcw = currentTrack->create<Capabilities::TimecodeWriteCapability>();
             if( tcw )
             {
                 tcw->writeAutoTimecode ( finalPosition ); // save the timecode
                 delete tcw;
             }
         }
     }
 }
 
 void
 TimecodeObserver::trackPlaying( Meta::TrackPtr track )
 {
     if( track == m_currentTrack ) // no change, so do nothing
         return;
 
     if( m_currentTrack ) // this is really the track _just_ played
     {
         if( m_trackTimecodeable && m_currPos != m_currentTrack->length() && m_currentTrack->length() > m_threshold && m_currPos > 60 * 1000 )
         {
             QScopedPointer<Capabilities::TimecodeWriteCapability> tcw( m_currentTrack->create<Capabilities::TimecodeWriteCapability>() );
             if( tcw )
                 tcw->writeAutoTimecode ( m_currPos ); // save the timecode
         }
     }
 
     // now update to the new track
     if( track && track->has<Capabilities::TimecodeWriteCapability>() )
         m_trackTimecodeable = true;
 
     m_currentTrack = track;
     m_currPos = 0;
 }
 
 void TimecodeObserver::trackPositionChanged( qint64 position, bool userSeek )
 {
     Q_UNUSED ( userSeek )
 
     m_currPos = position;
 }