qt4/qhandbrake.cpp

   1 #include "qhandbrake.h"
   2
   3 QHandBrake::QHandBrake( QObject *parent ) : QObject( parent )
   4 {
   5     hbHandle = hb_init_express( HB_DEBUG_NONE, 1 );
   6     hbTitle = NULL;
   7 }
   8
   9 QHandBrake::~QHandBrake()
  10 {
  11     hb_close( &hbHandle );
  12 }
  13
  14 QString displayDuration( const QTime t )
  15 {
  16     return QString( "%1 %2, %3 %4, %5 %6").arg(t.hour()).arg(t.hour() == 1 ? "hour" : "hours").arg(t.minute()).arg(t.minute() == 1 ? "minute" : "minutes").arg(t.second()).arg(t.second() == 1 ? "second" : "seconds");
  17 }
  18
  19 QStandardItemModel *QHandBrake::titleListModel()
  20 {
  21     hb_list_t *hbTitles;
  22     int i, titleCount;
  23
  24     hbTitles = hb_get_titles( hbHandle );
  25     titleCount = hb_list_count( hbTitles );
  26     titleModel = new QStandardItemModel( titleCount, 2, this );
  27
  28     titleModel->setHorizontalHeaderItem( 0, new QStandardItem("Title") );
  29     titleModel->setHorizontalHeaderItem( 1, new QStandardItem("Duration") );
  30
  31     for( i = 0; i < titleCount; ++i )
  32     {
  33         hb_title_t *t = ( hb_title_t * )hb_list_item( hbTitles, i );
  34
  35         QTime d = QTime( t->hours, t->minutes, t->seconds );
  36         QString s = QString( "Title %1" ).arg( t->index );
  37         QStandardItem *siTitle = new QStandardItem( s );
  38         QStandardItem *siDuration = new QStandardItem( displayDuration( d ) );
  39         titleModel->setItem( i, 0, siTitle );
  40         titleModel->setItem( i, 1, siDuration );
  41
  42         siTitle->setCheckable( true );
  43         siTitle->setEditable( false );
  44         siTitle->setData( i, Qt::UserRole );
  45
  46         siDuration->setEditable( false );
  47     }
  48
  49     return titleModel;
  50 }
  51
  52 void QHandBrake::startScan( const QString sDevice )
  53 {
  54     hb_state_t s;
  55     int titleCurrent = 0;
  56     int titleCount = 0;
  57
  58     if( sDevice.isEmpty() )
  59     {
  60         qDebug("Passed an empty device/path");
  61         return;
  62     }
  63
  64     hb_scan( hbHandle, sDevice.toLocal8Bit(), 0 );
  65
  66     do {
  67         hb_get_state( hbHandle, &s );
  68         qApp->processEvents();
  69         if( s.state == HB_STATE_SCANNING )
  70         {
  71             titleCurrent = s.param.scanning.title_cur;
  72             titleCount = s.param.scanning.title_count;
  73
  74             if( titleCurrent > 0 )
  75             {
  76                 emit scanProgress( titleCurrent, titleCount );
  77                 qApp->processEvents();
  78             }
  79         }
  80     } while( s.state != HB_STATE_SCANDONE );
  81
  82     if( hb_list_count( hb_get_titles( hbHandle ) ) )
  83     {
  84         emit scanProgress( titleCount, titleCount );
  85     }
  86     else
  87     {
  88         qDebug("Scanning failed");
  89         return;
  90     }
  91 }
  92
  93 void QHandBrake::encode()
  94 {
  95     if( hbHandle == NULL )
  96     {
  97         qDebug("Encode called too early");
  98         return;
  99     }
 100
 101     int i;
 102     hb_list_t *titles = hb_get_titles( hbHandle );
 103
 104     for( i = 0; i < titleModel->rowCount(); ++i )
 105     {
 106         QStandardItem *si = titleModel->item( i, 0 );
 107         if( si->checkState() == Qt::Checked )
 108         {
 109             hbTitle = ( hb_title_t * )hb_list_item( titles, si->data( Qt::UserRole ).toInt() );
 110             hb_job_t *job = hbTitle->job;
 111             // FIXME hardcoded params here! need to fix
 112             job->pixel_ratio = 1;
 113             job->vcodec = HB_VCODEC_FFMPEG;
 114             job->vquality = -1.0;
 115             job->vbitrate = 1600;
 116             job->acodec = HB_ACODEC_LAME;
 117             job->audios[0] = -1;
 118             job->mux = HB_MUX_MP4;
 119             job->subtitle = -1;
 120             job->pass = 0;
 121             job->file = strdup("/tmp/foo.mp4");
 122             hb_add( hbHandle, job );
 123         }
 124     }
 125
 126     fprintf(stderr, "Calling hb_start...\n");
 127     hb_start( hbHandle );
 128 }