info_panels.cpp
资源名称:vlc-1.0.5.zip [点击查看]
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上传日期:2020-07-06
资源大小:29949k
文件大小:20k
源码类别:
midi
开发平台:
Unix_Linux
- /*****************************************************************************
- * infopanels.cpp : Panels for the information dialogs
- ****************************************************************************
- * Copyright (C) 2006-2007 the VideoLAN team
- * $Id: 98bd70791b2512545f3289eb482e05472bc35879 $
- *
- * Authors: Clément Stenac <zorglub@videolan.org>
- * Jean-Baptiste Kempf <jb@videolan.org>
- * Ilkka Ollakka <ileoo@videolan.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, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
- *****************************************************************************/
- #ifdef HAVE_CONFIG_H
- # include "config.h"
- #endif
- #include "qt4.hpp"
- #include "components/info_panels.hpp"
- #include "components/interface_widgets.hpp"
- #include <assert.h>
- #include <QTreeWidget>
- #include <QHeaderView>
- #include <QList>
- #include <QStringList>
- #include <QGridLayout>
- #include <QLineEdit>
- #include <QLabel>
- #include <QSpinBox>
- /************************************************************************
- * Single panels
- ************************************************************************/
- /**
- * First Panel - Meta Info
- * All the usual MetaData are displayed and can be changed.
- **/
- MetaPanel::MetaPanel( QWidget *parent,
- intf_thread_t *_p_intf )
- : QWidget( parent ), p_intf( _p_intf )
- {
- QGridLayout *metaLayout = new QGridLayout( this );
- int line = 0; /* Counter for GridLayout */
- p_input = NULL;
- #define ADD_META( string, widget ) {
- metaLayout->addWidget( new QLabel( qtr( string ) + " :" ), line, 0 );
- widget = new QLineEdit;
- metaLayout->addWidget( widget, line, 1, 1, 9 );
- line++; }
- /* Title, artist and album*/
- ADD_META( VLC_META_TITLE, title_text ); /* OK */
- ADD_META( VLC_META_ARTIST, artist_text ); /* OK */
- ADD_META( VLC_META_ALBUM, collection_text ); /* OK */
- /* Genre Name */
- /* TODO List id3genres.h is not includable yet ? */
- genre_text = new QLineEdit;
- metaLayout->addWidget( new QLabel( qtr( VLC_META_GENRE ) + " :" ), line, 0 );
- metaLayout->addWidget( genre_text, line, 1, 1, 3 );
- /* Number - on the same line */
- metaLayout->addWidget( new QLabel( qtr( VLC_META_TRACK_NUMBER ) + " :" ),
- line, 5, 1, 2 );
- seqnum_text = new QLineEdit;
- seqnum_text->setInputMask("0000");
- seqnum_text->setAlignment( Qt::AlignRight );
- metaLayout->addWidget( seqnum_text, line, 7, 1, 3 );
- line++;
- /* Date (Should be in years) */
- date_text = new QLineEdit;
- date_text->setInputMask("0000");
- date_text->setAlignment( Qt::AlignRight );
- metaLayout->addWidget( new QLabel( qtr( VLC_META_DATE ) + " :" ), line, 0 );
- metaLayout->addWidget( date_text, line, 1, 1, 3 );
- /* Rating - on the same line */
- /*
- metaLayout->addWidget( new QLabel( qtr( VLC_META_RATING ) + " :" ), line, 4, 1, 2 );
- rating_text = new QSpinBox; setSpinBounds( rating_text );
- metaLayout->addWidget( rating_text, line, 6, 1, 1 );
- */
- /* Language on the same line */
- metaLayout->addWidget( new QLabel( qfu( VLC_META_LANGUAGE ) + " :" ), line, 5, 1, 2 );
- language_text = new QLineEdit;
- language_text->setReadOnly( true );
- metaLayout->addWidget( language_text, line, 7, 1, 3 );
- line++;
- /* ART_URL */
- art_cover = new CoverArtLabel( this, p_intf );
- metaLayout->addWidget( art_cover, line, 8, 4, 2, Qt::AlignRight );
- /* Settings is unused */
- /* l->addWidget( new QLabel( qtr( VLC_META_SETTING ) + " :" ), line, 5 );
- setting_text = new QLineEdit;
- l->addWidget( setting_text, line, 6, 1, 4 ); */
- /* Less used metadata */
- #define ADD_META_2( string, widget ) {
- metaLayout->addWidget( new QLabel( qtr( string ) + " :" ), line, 0 );
- widget = new QLineEdit;
- metaLayout->addWidget( widget, line, 1, 1, 7 );
- line++; }
- /* Now Playing - Useful for live feeds (HTTP, DVB, ETC...) */
- ADD_META_2( VLC_META_NOW_PLAYING, nowplaying_text );
- nowplaying_text->setReadOnly( true );
- ADD_META_2( VLC_META_PUBLISHER, publisher_text );
- ADD_META_2( VLC_META_COPYRIGHT, copyright_text );
- ADD_META_2( N_("Comments"), description_text );
- /* useless metadata */
- //ADD_META_2( VLC_META_ENCODED_BY, encodedby_text );
- /* ADD_META( TRACKID ) Useless ? */
- /* ADD_URI - DO not show it, done outside */
- metaLayout->setColumnStretch( 1, 2 );
- metaLayout->setColumnMinimumWidth ( 1, 80 );
- #undef ADD_META
- #undef ADD_META_2
- CONNECT( title_text, textEdited( QString ), this, enterEditMode() );
- CONNECT( artist_text, textEdited( QString ), this, enterEditMode() );
- CONNECT( collection_text, textEdited( QString ), this, enterEditMode() );
- CONNECT( genre_text, textEdited( QString ), this, enterEditMode() );
- CONNECT( seqnum_text, textEdited( QString ), this, enterEditMode() );
- CONNECT( date_text, textEdited( QString ), this, enterEditMode() );
- CONNECT( description_text, textEdited( QString ), this, enterEditMode() );
- /* CONNECT( rating_text, valueChanged( QString ), this, enterEditMode( QString ) );*/
- /* We are not yet in Edit Mode */
- b_inEditMode = false;
- }
- /**
- * Update all the MetaData and art on an "item-changed" event
- **/
- void MetaPanel::update( input_item_t *p_item )
- {
- if( !p_item )
- {
- clear();
- return;
- }
- /* Don't update if you are in edit mode */
- if( b_inEditMode ) return;
- else p_input = p_item;
- char *psz_meta;
- #define UPDATE_META( meta, widget ) {
- psz_meta = input_item_Get##meta( p_item );
- if( !EMPTY_STR( psz_meta ) )
- widget->setText( qfu( psz_meta ) );
- else
- widget->setText( "" ); }
- free( psz_meta );
- #define UPDATE_META_INT( meta, widget ) {
- psz_meta = input_item_Get##meta( p_item );
- if( !EMPTY_STR( psz_meta ) )
- widget->setValue( atoi( psz_meta ) ); }
- free( psz_meta );
- /* Name / Title */
- psz_meta = input_item_GetTitleFbName( p_item );
- if( psz_meta )
- {
- title_text->setText( qfu( psz_meta ) );
- free( psz_meta );
- }
- else
- title_text->setText( "" );
- /* URL / URI */
- psz_meta = input_item_GetURL( p_item );
- if( !EMPTY_STR( psz_meta ) )
- emit uriSet( qfu( psz_meta ) );
- else
- {
- free( psz_meta );
- psz_meta = input_item_GetURI( p_item );
- if( !EMPTY_STR( psz_meta ) )
- emit uriSet( qfu( psz_meta ) );
- }
- free( psz_meta );
- /* Other classic though */
- UPDATE_META( Artist, artist_text );
- UPDATE_META( Genre, genre_text );
- UPDATE_META( Copyright, copyright_text );
- UPDATE_META( Album, collection_text );
- UPDATE_META( Description, description_text );
- UPDATE_META( Language, language_text );
- UPDATE_META( NowPlaying, nowplaying_text );
- UPDATE_META( Publisher, publisher_text );
- // UPDATE_META( Setting, setting_text );
- //FIXME this is wrong if has Publisher and EncodedBy fields
- UPDATE_META( EncodedBy, publisher_text );
- UPDATE_META( Date, date_text );
- UPDATE_META( TrackNum, seqnum_text );
- // UPDATE_META_INT( Rating, rating_text );
- #undef UPDATE_META_INT
- #undef UPDATE_META
- }
- /**
- * Save the MetaData, triggered by parent->save Button
- **/
- void MetaPanel::saveMeta()
- {
- playlist_t *p_playlist;
- meta_export_t p_export;
- p_export.p_item = p_input;
- if( p_input == NULL )
- return;
- /* we can write meta data only in a file */
- vlc_mutex_lock( &p_input->lock );
- int i_type = p_input->i_type;
- vlc_mutex_unlock( &p_input->lock );
- if( i_type == ITEM_TYPE_FILE )
- {
- char *psz_uri_orig = input_item_GetURI( p_input );
- char *psz_uri = psz_uri_orig;
- if( !strncmp( psz_uri, "file://", 7 ) )
- psz_uri += 7; /* strlen("file://") = 7 */
- p_export.psz_file = strndup( psz_uri, PATH_MAX );
- free( psz_uri_orig );
- }
- else
- return;
- /* now we read the modified meta data */
- input_item_SetTitle( p_input, qtu( title_text->text() ) );
- input_item_SetArtist( p_input, qtu( artist_text->text() ) );
- input_item_SetAlbum( p_input, qtu( collection_text->text() ) );
- input_item_SetGenre( p_input, qtu( genre_text->text() ) );
- input_item_SetTrackNum( p_input, qtu( seqnum_text->text() ) );
- input_item_SetDate( p_input, qtu( date_text->text() ) );
- input_item_SetCopyright( p_input, qtu( copyright_text->text() ) );
- input_item_SetPublisher( p_input, qtu( publisher_text->text() ) );
- input_item_SetDescription( p_input, qtu( description_text->text() ) );
- p_playlist = pl_Hold( p_intf );
- PL_LOCK;
- p_playlist->p_private = &p_export;
- module_t *p_mod = module_need( p_playlist, "meta writer", NULL, false );
- if( p_mod )
- module_unneed( p_playlist, p_mod );
- PL_UNLOCK;
- pl_Release( p_intf );
- /* Reset the status of the mode. No need to emit any signal because parent
- is the only caller */
- b_inEditMode = false;
- }
- bool MetaPanel::isInEditMode()
- {
- return b_inEditMode;
- }
- void MetaPanel::enterEditMode()
- {
- msg_Dbg( p_intf, "Entering Edit MetaData Mode" );
- setEditMode( true );
- }
- void MetaPanel::setEditMode( bool b_editing )
- {
- b_inEditMode = b_editing;
- 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();
- setEditMode( false );
- emit uriSet( "" );
- }
- /**
- * 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 )
- {
- if( !p_item )
- {
- clear();
- return;
- }
- 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] );
- QStringList tempItem;
- 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->setColumnWidth( 0, 20000 );
- InfoTree->header()->hide();
- // InfoTree->header()->setStretchLastSection(false);
- // InfoTree->header()->setResizeMode(QHeaderView::ResizeToContents);
- layout->addWidget(InfoTree, 1, 0 );
- }
- /**
- * Update the Codecs information on parent->update()
- **/
- void InfoPanel::update( input_item_t *p_item)
- {
- if( !p_item )
- {
- clear();
- return;
- }
- 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( corrupted_stat, qtr("Corrupted"),
- "0", input, "" );
- CREATE_AND_ADD_TO_CAT( discontinuity_stat, qtr("Discontinuities"),
- "0", input, "" );
- 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( 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, "" );
- #undef CREATE_AND_ADD_TO_CAT
- #undef CREATE_CATEGORY
- #undef CREATE_TREE_ITEM
- input->setExpanded( true );
- video->setExpanded( true );
- streaming->setExpanded( true );
- audio->setExpanded( true );
- StatsTree->resizeColumnToContents( 0 );
- StatsTree->setColumnWidth( 1 , 200 );
- layout->addWidget(StatsTree, 1, 0 );
- }
- /**
- * Update the Statistics
- **/
- void InputStatsPanel::update( input_item_t *p_item )
- {
- assert( 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 ));
- UPDATE( corrupted_stat, "%5i", p_item->p_stats->i_demux_corrupted );
- UPDATE( discontinuity_stat, "%5i", p_item->p_stats->i_demux_discontinuity );
- /* 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 );
- /* 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 );
- #undef UPDATE
- vlc_mutex_unlock(& p_item->p_stats->lock );
- }
- void InputStatsPanel::clear()
- {
- }