info_panels.cpp

VLC Player Source Code

    if( b_editing )emit editing();
}

/*
 * Clear all the metadata widgets
 */
void MetaPanel::clear()
{
    title_text->clear();
    artist_text->clear();
    genre_text->clear();
    copyright_text->clear();
    collection_text->clear();
    seqnum_text->clear();
    description_text->clear();
    date_text->clear();
    language_text->clear();
    nowplaying_text->clear();
    publisher_text->clear();
    art_cover->update( NULL );

    setEditMode( false );
}

/**
 * Second Panel - Shows the extra metadata in a tree, non editable.
 **/
ExtraMetaPanel::ExtraMetaPanel( QWidget *parent,
                                intf_thread_t *_p_intf )
                                : QWidget( parent ), p_intf( _p_intf )
{
     QGridLayout *layout = new QGridLayout(this);

     QLabel *topLabel = new QLabel( qtr( "Extra metadata and other information"
                 " are shown in this panel.\n" ) );
     topLabel->setWordWrap( true );
     layout->addWidget( topLabel, 0, 0 );

     extraMetaTree = new QTreeWidget( this );
     extraMetaTree->setAlternatingRowColors( true );
     extraMetaTree->setColumnCount( 2 );
     extraMetaTree->resizeColumnToContents( 0 );
     extraMetaTree->header()->hide();
/*     QStringList headerList = ( QStringList() << qtr( "Type" )
 *                                             << qtr( "Value" ) );
 * Useless, add this header if you think it would help the user          **
 */

     layout->addWidget( extraMetaTree, 1, 0 );
}

/**
 * Update the Extra Metadata from p_meta->i_extras
 **/
void ExtraMetaPanel::update( input_item_t *p_item )
{
    QStringList tempItem;
    QList<QTreeWidgetItem *> items;

    extraMetaTree->clear();

    vlc_mutex_lock( &p_item->lock );
    vlc_meta_t *p_meta = p_item->p_meta;
    if( !p_meta )
    {
        vlc_mutex_unlock( &p_item->lock );
        return;
    }

    vlc_dictionary_t * p_dict = &p_meta->extra_tags;
    char ** ppsz_allkey = vlc_dictionary_all_keys( p_dict );

    for( int i = 0; ppsz_allkey[i] ; i++ )
    {
        const char * psz_value = (const char *)vlc_dictionary_value_for_key(
                p_dict, ppsz_allkey[i] );
        tempItem.append( qfu( ppsz_allkey[i] ) + " : ");
        tempItem.append( qfu( psz_value ) );
        items.append( new QTreeWidgetItem ( extraMetaTree, tempItem ) );
        free( ppsz_allkey[i] );
    }
    vlc_mutex_unlock( &p_item->lock );
    free( ppsz_allkey );

    extraMetaTree->addTopLevelItems( items );
    extraMetaTree->resizeColumnToContents( 0 );
}

/**
 * Clear the ExtraMetaData Tree
 **/
void ExtraMetaPanel::clear()
{
    extraMetaTree->clear();
}

/**
 * Third panel - Stream info
 * Display all codecs and muxers info that we could gather.
 **/
InfoPanel::InfoPanel( QWidget *parent,
                      intf_thread_t *_p_intf )
                      : QWidget( parent ), p_intf( _p_intf )
{
     QGridLayout *layout = new QGridLayout(this);

     QList<QTreeWidgetItem *> items;

     QLabel *topLabel = new QLabel( qtr( "Information about what your media or"
              " stream is made of.\nMuxer, Audio and Video Codecs, Subtitles "
              "are shown." ) );
     topLabel->setWordWrap( true );
     layout->addWidget( topLabel, 0, 0 );

     InfoTree = new QTreeWidget(this);
     InfoTree->setColumnCount( 1 );
     InfoTree->header()->hide();
     layout->addWidget(InfoTree, 1, 0 );
}

InfoPanel::~InfoPanel()
{
}

/**
 * Update the Codecs information on parent->update()
 **/
void InfoPanel::update( input_item_t *p_item)
{
    InfoTree->clear();
    QTreeWidgetItem *current_item = NULL;
    QTreeWidgetItem *child_item = NULL;

    for( int i = 0; i< p_item->i_categories ; i++)
    {
        current_item = new QTreeWidgetItem();
        current_item->setText( 0, qfu(p_item->pp_categories[i]->psz_name) );
        InfoTree->addTopLevelItem( current_item );

        for( int j = 0 ; j < p_item->pp_categories[i]->i_infos ; j++ )
        {
            child_item = new QTreeWidgetItem ();
            child_item->setText( 0,
                    qfu(p_item->pp_categories[i]->pp_infos[j]->psz_name)
                    + ": "
                    + qfu(p_item->pp_categories[i]->pp_infos[j]->psz_value));

            current_item->addChild(child_item);
        }
         InfoTree->setItemExpanded( current_item, true);
    }
}

/**
 * Clear the tree
 **/
void InfoPanel::clear()
{
    InfoTree->clear();
}

/**
 * Save all the information to a file
 * Not yet implemented.
 **/
/*
void InfoPanel::saveCodecsInfo()
{}
*/

/**
 * Fourth Panel - Stats
 * Displays the Statistics for reading/streaming/encoding/displaying in a tree
 */
InputStatsPanel::InputStatsPanel( QWidget *parent,
                                  intf_thread_t *_p_intf )
                                  : QWidget( parent ), p_intf( _p_intf )
{
     QGridLayout *layout = new QGridLayout(this);

     QList<QTreeWidgetItem *> items;

     QLabel *topLabel = new QLabel( qtr( "Statistics about the currently "
                 "playing media or stream." ) );
     topLabel->setWordWrap( true );
     layout->addWidget( topLabel, 0, 0 );

     StatsTree = new QTreeWidget(this);
     StatsTree->setColumnCount( 3 );
     StatsTree->header()->hide();

#define CREATE_TREE_ITEM( itemName, itemText, itemValue, unit ) {              \
    itemName =                                                                 \
      new QTreeWidgetItem((QStringList () << itemText << itemValue << unit )); \
    itemName->setTextAlignment( 1 , Qt::AlignRight ) ; }

#define CREATE_CATEGORY( catName, itemText ) {                           \
    CREATE_TREE_ITEM( catName, itemText , "", "" );                      \
    catName->setExpanded( true );                                        \
    StatsTree->addTopLevelItem( catName );    }

#define CREATE_AND_ADD_TO_CAT( itemName, itemText, itemValue, catName, unit ){ \
    CREATE_TREE_ITEM( itemName, itemText, itemValue, unit );                   \
    catName->addChild( itemName ); }

    /* Create the main categories */
    CREATE_CATEGORY( audio, qtr("Audio") );
    CREATE_CATEGORY( video, qtr("Video") );
    CREATE_CATEGORY( input, qtr("Input") );
    CREATE_CATEGORY( streaming, qtr("Streaming") );

    CREATE_AND_ADD_TO_CAT( read_media_stat, qtr("Read at media"),
                           "0", input , "kB" );
    CREATE_AND_ADD_TO_CAT( input_bitrate_stat, qtr("Input bitrate"),
                           "0", input, "kb/s" );
    CREATE_AND_ADD_TO_CAT( demuxed_stat, qtr("Demuxed"), "0", input, "kB") ;
    CREATE_AND_ADD_TO_CAT( stream_bitrate_stat, qtr("Stream bitrate"),
                           "0", input, "kb/s" );

    CREATE_AND_ADD_TO_CAT( vdecoded_stat, qtr("Decoded blocks"),
                           "0", video, "" );
    CREATE_AND_ADD_TO_CAT( vdisplayed_stat, qtr("Displayed frames"),
                           "0", video, "" );
    CREATE_AND_ADD_TO_CAT( vlost_frames_stat, qtr("Lost frames"),
                           "0", video, "" );
    CREATE_AND_ADD_TO_CAT( vfps_stat, qtr("FPS"), "0", video, "" );

    CREATE_AND_ADD_TO_CAT( send_stat, qtr("Sent packets"), "0", streaming, "" );
    CREATE_AND_ADD_TO_CAT( send_bytes_stat, qtr("Sent bytes"),
                           "0", streaming, "kB" );
    CREATE_AND_ADD_TO_CAT( send_bitrate_stat, qtr("Sent bitrate"),
                           "0", streaming, "kb/s" );

    CREATE_AND_ADD_TO_CAT( adecoded_stat, qtr("Decoded blocks"),
                           "0", audio, "" );
    CREATE_AND_ADD_TO_CAT( aplayed_stat, qtr("Played buffers"),
                           "0", audio, "" );
    CREATE_AND_ADD_TO_CAT( alost_stat, qtr("Lost buffers"), "0", audio, "" );

    input->setExpanded( true );
    video->setExpanded( true );
    streaming->setExpanded( true );
    audio->setExpanded( true );

    StatsTree->resizeColumnToContents( 0 );
    StatsTree->setColumnWidth( 1 , 100 );

    layout->addWidget(StatsTree, 1, 0 );
}

InputStatsPanel::~InputStatsPanel()
{
}

/**
 * Update the Statistics
 **/
void InputStatsPanel::update( input_item_t *p_item )
{
    vlc_mutex_lock( &p_item->p_stats->lock );

#define UPDATE( widget, format, calc... ) \
    { QString str; widget->setText( 1 , str.sprintf( format, ## calc ) );  }

    UPDATE( read_media_stat, "%8.0f",
            (float)(p_item->p_stats->i_read_bytes)/1000);
    UPDATE( input_bitrate_stat, "%6.0f",
                    (float)(p_item->p_stats->f_input_bitrate * 8000 ));
    UPDATE( demuxed_stat, "%8.0f",
                    (float)(p_item->p_stats->i_demux_read_bytes)/1000 );
    UPDATE( stream_bitrate_stat, "%6.0f",
                    (float)(p_item->p_stats->f_demux_bitrate * 8000 ));

    /* Video */
    UPDATE( vdecoded_stat, "%5i", p_item->p_stats->i_decoded_video );
    UPDATE( vdisplayed_stat, "%5i", p_item->p_stats->i_displayed_pictures );
    UPDATE( vlost_frames_stat, "%5i", p_item->p_stats->i_lost_pictures );
/*  UPDATE( vfps_stat, "%5f", p_item->p_stats->i_lost_pictures );
input_Control( p_input_thread, INPUT_GET_VIDEO_FPS, &f_fps */

    /* Sout */
    UPDATE( send_stat, "%5i", p_item->p_stats->i_sent_packets );
    UPDATE( send_bytes_stat, "%8.0f",
            (float)(p_item->p_stats->i_sent_bytes)/1000 );
    UPDATE( send_bitrate_stat, "%6.0f",
            (float)(p_item->p_stats->f_send_bitrate*8)*1000 );

    /* Audio*/
    UPDATE( adecoded_stat, "%5i", p_item->p_stats->i_decoded_audio );
    UPDATE( aplayed_stat, "%5i", p_item->p_stats->i_played_abuffers );
    UPDATE( alost_stat, "%5i", p_item->p_stats->i_lost_abuffers );

    vlc_mutex_unlock(& p_item->p_stats->lock );
}

void InputStatsPanel::clear()
{
}