C++ (Cpp) vlc_input_item_GetInfo Beispiele

Beispiel #1

/*****************************************************************************
 * ItemChange: Playlist item change callback
 *****************************************************************************/
static int ItemChange( vlc_object_t *p_this, const char *psz_var,
                       vlc_value_t oldval, vlc_value_t newval, void *param )
{

    char psz_tmp[MAX_LENGTH];
    playlist_t *p_playlist;
    char *psz_title = NULL;
    char *psz_artist = NULL;
    char *psz_album = NULL;
    input_thread_t *p_input=NULL;
    intf_thread_t *p_intf = ( intf_thread_t* ) param;
    intf_sys_t *p_sys = p_intf->p_sys;
    p_playlist = (playlist_t *)vlc_object_find( p_this, VLC_OBJECT_PLAYLIST,
                 FIND_ANYWHERE );
    if( !p_playlist ) return VLC_EGENERIC;
    p_input = p_playlist->p_input;
    vlc_object_release( p_playlist );
    if( !p_input ) return VLC_SUCCESS;
    vlc_object_yield( p_input );

    if( p_input->b_dead || !p_input->input.p_item->psz_name )
    {
        /* Not playing anything ... */
        vlc_object_release( p_input );
        return VLC_SUCCESS;
    }

    /* Playing something ... */
    psz_artist = vlc_input_item_GetInfo( p_input->input.p_item,
                                         _("Meta-information"),
                                         _(VLC_META_ARTIST) );
    psz_album = vlc_input_item_GetInfo( p_input->input.p_item,
                                        _("Meta-information"),
                                        _("Album/movie/show title" ) );
    psz_title = strdup( p_input->input.p_item->psz_name );
    vlc_object_release( p_input );
    if( psz_title == NULL ) psz_title = strdup( N_("(no title)") );
    if( psz_artist == NULL ) psz_artist = strdup( N_("(no artist)") );
    if( psz_album == NULL ) psz_album = strdup( N_("(no album)") );
    snprintf( psz_tmp, MAX_LENGTH, "<b>%s</b>\n%s - %s",
              psz_title, psz_artist, psz_album );
    free( psz_title );
    free( psz_artist );
    free( psz_album );

    vlc_mutex_lock( &p_sys->lock );
    Notify( p_this, psz_tmp );
    vlc_mutex_unlock( &p_sys->lock );

    return VLC_SUCCESS;
}

Beispiel #2

void PlaylistManager::UpdateTreeItem( wxTreeItemId item )
{
    if( ! item.IsOk() ) return;

    wxTreeItemData *p_data = treectrl->GetItemData( item );
    if( !p_data ) return;

    LockPlaylist( p_intf->p_sys, p_playlist );
    playlist_item_t *p_item =
        playlist_ItemGetById( p_playlist, ((PlaylistItem *)p_data)->i_id );
    if( !p_item )
    {
        UnlockPlaylist( p_intf->p_sys, p_playlist );
        return;
    }

    wxString msg;
    wxString duration = wxU( "" );
    char *psz_author =
        vlc_input_item_GetInfo( &p_item->input,
                                _(VLC_META_INFO_CAT), _(VLC_META_ARTIST) );
    if( !psz_author )
    {
        UnlockPlaylist( p_intf->p_sys, p_playlist );
        return;
    }

    char psz_duration[MSTRTIME_MAX_SIZE];
    mtime_t dur = p_item->input.i_duration;

    if( dur != -1 )
    {
        secstotimestr( psz_duration, dur/1000000 );
        duration.Append( wxU( " ( " ) +  wxString( wxU( psz_duration ) ) +
                         wxU( " )" ) );
    }

    if( !strcmp( psz_author, "" ) || p_item->input.b_fixed_name == VLC_TRUE )
    {
        msg = wxString( wxU( p_item->input.psz_name ) ) + duration;
    }
    else
    {
        msg = wxString(wxU( psz_author )) + wxT(" - ") +
                    wxString(wxU(p_item->input.psz_name)) + duration;
    }
    free( psz_author );
    treectrl->SetItemText( item , msg );
    treectrl->SetItemImage( item, p_item->input.i_type );

    if( p_playlist->status.p_item == p_item )
    {
        treectrl->SetItemBold( item, true );
        while( treectrl->GetItemParent( item ).IsOk() )
        {
            item = treectrl->GetItemParent( item );
            treectrl->Expand( item );
        }
    }
    else
    {
        treectrl->SetItemBold( item, false );
    }
    UnlockPlaylist( p_intf->p_sys, p_playlist );
}