git.sesse.net Git - vlc/blob - modules/gui/macosx/playlistinfo.m

   1 /*****************************************************************************
   2  r playlistinfo.m: MacOS X interface module
   3  *****************************************************************************
   4  * Copyright (C) 2002-2009 the VideoLAN team
   5  * $Id$
   6  *
   7  * Authors: Benjamin Pracht <bigben at videolan dot org>
   8  *          Felix Paul Kühne <fkuehne at videolan dot org>
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License as published by
  12  * the Free Software Foundation; either version 2 of the License, or
  13  * (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License
  21  * along with this program; if not, write to the Free Software
  22  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  23  *****************************************************************************/
  24
  25 /*****************************************************************************
  26  * Preamble
  27  *****************************************************************************/
  28
  29 #include "intf.h"
  30 #include "playlistinfo.h"
  31 #include "playlist.h"
  32 #include <vlc_url.h>
  33
  34 /*****************************************************************************
  35  * VLCPlaylistInfo Implementation
  36  *****************************************************************************/
  37
  38 @implementation VLCInfo
  39
  40 static VLCInfo *_o_sharedInstance = nil;
  41
  42 + (VLCInfo *)sharedInstance
  43 {
  44     return _o_sharedInstance ? _o_sharedInstance : [[self alloc] init];
  45 }
  46
  47 - (id)init
  48 {
  49     if( _o_sharedInstance )
  50     {
  51         [self dealloc];
  52     }
  53     else
  54     {
  55         _o_sharedInstance = [super init];
  56
  57         if( _o_sharedInstance != nil )
  58         {
  59             p_item = NULL;
  60             [self updatePanelWithItem: NULL];
  61             rootItem = [[VLCInfoTreeItem alloc] init];
  62         }
  63     }
  64
  65     return _o_sharedInstance;
  66 }
  67
  68 - (void)awakeFromNib
  69 {
  70     [o_info_window setExcludedFromWindowsMenu: YES];
  71     [o_info_window setFloatingPanel: NO];
  72
  73     [o_info_window setTitle: _NS("Media Information")];
  74     [o_uri_lbl setStringValue: _NS("Location")];
  75     [o_title_lbl setStringValue: _NS("Title")];
  76     [o_author_lbl setStringValue: _NS("Artist")];
  77     [o_saveMetaData_btn setStringValue: _NS("Save Metadata" )];
  78
  79     [[o_tab_view tabViewItemAtIndex: 0] setLabel: _NS("General")];
  80     [[o_tab_view tabViewItemAtIndex: 1] setLabel: _NS("Codec Details")];
  81     [[o_tab_view tabViewItemAtIndex: 2] setLabel: _NS("Statistics")];
  82     [o_tab_view selectTabViewItemAtIndex: 0];
  83
  84     /* constants defined in vlc_meta.h */
  85     [o_genre_lbl setStringValue: _NS(VLC_META_GENRE)];
  86     [o_copyright_lbl setStringValue: _NS(VLC_META_COPYRIGHT)];
  87     [o_collection_lbl setStringValue: _NS(VLC_META_ALBUM)];
  88     [o_seqNum_lbl setStringValue: _NS(VLC_META_TRACK_NUMBER)];
  89     [o_description_lbl setStringValue: _NS(VLC_META_DESCRIPTION)];
  90     [o_date_lbl setStringValue: _NS(VLC_META_DATE)];
  91     [o_language_lbl setStringValue: _NS(VLC_META_LANGUAGE)];
  92     [o_nowPlaying_lbl setStringValue: _NS(VLC_META_NOW_PLAYING)];
  93     [o_publisher_lbl setStringValue: _NS(VLC_META_PUBLISHER)];
  94     [o_encodedby_lbl setStringValue: _NS(VLC_META_ENCODED_BY)];
  95
  96     /* statistics */
  97     [o_input_lbl setStringValue: _NS("Input")];
  98     [o_read_bytes_lbl setStringValue: _NS("Read at media")];
  99     [o_input_bitrate_lbl setStringValue: _NS("Input bitrate")];
 100     [o_demux_bytes_lbl setStringValue: _NS("Demuxed")];
 101     [o_demux_bitrate_lbl setStringValue: _NS("Stream bitrate")];
 102
 103     [o_video_lbl setStringValue: _NS("Video")];
 104     [o_video_decoded_lbl setStringValue: _NS("Decoded blocks")];
 105     [o_displayed_lbl setStringValue: _NS("Displayed frames")];
 106     [o_lost_frames_lbl setStringValue: _NS("Lost frames")];
 107
 108     [o_sout_lbl setStringValue: _NS("Streaming")];
 109     [o_sent_packets_lbl setStringValue: _NS("Sent packets")];
 110     [o_sent_bytes_lbl setStringValue: _NS("Sent bytes")];
 111     [o_sent_bitrate_lbl setStringValue: _NS("Send rate")];
 112
 113     [o_audio_lbl setStringValue: _NS("Audio")];
 114     [o_audio_decoded_lbl setStringValue: _NS("Decoded blocks")];
 115     [o_played_abuffers_lbl setStringValue: _NS("Played buffers")];
 116     [o_lost_abuffers_lbl setStringValue: _NS("Lost buffers")];
 117
 118     [o_info_window setInitialFirstResponder: o_uri_txt];
 119     [o_info_window setDelegate: self];
 120
 121     /* We may be awoken from nib way after initialisation
 122      * Update ourselves */
 123     [self updatePanelWithItem:p_item];
 124 }
 125
 126
 127 - (void)dealloc
 128 {
 129     [rootItem release];
 130
 131     if( p_item ) vlc_gc_decref( p_item );
 132
 133     [super dealloc];
 134 }
 135
 136 - (void)initPanel
 137 {
 138     BOOL b_stats = config_GetInt(VLCIntf, "stats");
 139     if( !b_stats )
 140     {
 141         if( [o_tab_view numberOfTabViewItems] > 2 )
 142             [o_tab_view removeTabViewItem: [o_tab_view tabViewItemAtIndex: 2]];
 143     }
 144
 145     [self initMediaPanelStats];
 146     [o_info_window makeKeyAndOrderFront: self];
 147 }
 148
 149 - (void)initMediaPanelStats
 150 {
 151     //Initializing Input Variables
 152     [o_read_bytes_txt setStringValue: [NSString stringWithFormat:@"%8.0f KiB", (float)0]];
 153     [o_input_bitrate_txt setStringValue: [NSString stringWithFormat:@"%6.0f kb/s", (float)0]];
 154     [o_demux_bytes_txt setStringValue: [NSString stringWithFormat:@"%8.0f KiB", (float)0]];
 155     [o_demux_bitrate_txt setStringValue: [NSString stringWithFormat:@"%6.0f kb/s", (float)0]];
 156
 157     //Initializing Video Variables
 158     [o_video_decoded_txt setIntValue:0];
 159     [o_displayed_txt setIntValue:0];
 160     [o_lost_frames_txt setIntValue:0];
 161
 162     //Initializing Output Variables
 163     [o_sent_packets_txt setIntValue: 0];
 164     [o_sent_bytes_txt setStringValue: [NSString stringWithFormat:@"%8.0f KiB", (float)0]];
 165     [o_sent_bitrate_txt setStringValue: [NSString stringWithFormat:@"%6.0f kb/s", (float)0]];
 166
 167     //Initializing Audio Variables
 168     [o_audio_decoded_txt setIntValue:0];
 169     [o_played_abuffers_txt setIntValue: 0];
 170     [o_lost_abuffers_txt setIntValue: 0];
 171
 172 }
 173
 174 - (void)updatePanelWithItem:(input_item_t *)_p_item;
 175 {
 176     NSAutoreleasePool *o_pool = [[NSAutoreleasePool alloc] init];
 177     if( _p_item != p_item )
 178     {
 179         if( p_item ) vlc_gc_decref( p_item );
 180         [o_saveMetaData_btn setEnabled: NO];
 181         if( _p_item ) vlc_gc_incref( _p_item );
 182         p_item = _p_item;
 183     }
 184
 185     if( !p_item )
 186     {
 187         /* Erase */
 188     #define SET( foo ) \
 189         [self setMeta: "" forLabel: o_##foo##_txt];
 190         SET( uri );
 191         SET( title );
 192         SET( author );
 193         SET( collection );
 194         SET( seqNum );
 195         SET( genre );
 196         SET( copyright );
 197         SET( publisher );
 198         SET( nowPlaying );
 199         SET( language );
 200         SET( date );
 201         SET( description );
 202         SET( encodedby );
 203     #undef SET
 204         [o_image_well setImage: [NSImage imageNamed: @"noart.png"]];
 205     }
 206     else
 207     {
 208         if( !input_item_IsPreparsed( p_item ) )
 209         {
 210             playlist_PreparseEnqueue( pl_Get( VLCIntf ), p_item );
 211         }
 212
 213         /* fill uri info */
 214         char * psz_url = decode_URI( input_item_GetURI( p_item ) );
 215         [o_uri_txt setStringValue: [NSString stringWithUTF8String: psz_url ? psz_url : ""]];
 216         free( psz_url );
 217
 218         /* fill title info */
 219         char * psz_title = input_item_GetTitle( p_item );
 220         if( !psz_title )
 221             psz_title = input_item_GetName( p_item );
 222         [o_title_txt setStringValue: [NSString stringWithUTF8String: psz_title ? : ""  ]];
 223         free( psz_title );
 224
 225     #define SET( foo, bar ) \
 226         char *psz_##foo = input_item_Get##bar ( p_item ); \
 227         [self setMeta: psz_##foo forLabel: o_##foo##_txt]; \
 228         FREENULL( psz_##foo );
 229
 230         /* fill the other fields */
 231         SET( author, Artist );
 232         SET( collection, Album );
 233         SET( seqNum, TrackNum );
 234         SET( genre, Genre );
 235         SET( copyright, Copyright );
 236         SET( publisher, Publisher );
 237         SET( nowPlaying, NowPlaying );
 238         SET( language, Language );
 239         SET( date, Date );
 240         SET( description, Description );
 241         SET( encodedby, EncodedBy );
 242
 243     #undef SET
 244
 245         char *psz_meta;
 246         NSImage *o_image;
 247         psz_meta = input_item_GetArtURL( p_item );
 248
 249         /* FIXME Can also be attachment:// */
 250         if( psz_meta && strncmp( psz_meta, "attachment://", 13 ) )
 251             o_image = [[NSImage alloc] initWithContentsOfURL: [NSURL URLWithString:[NSString stringWithUTF8String: psz_meta]]];
 252         else
 253             o_image = [[NSImage imageNamed: @"noart.png"] retain];
 254         [o_image_well setImage: o_image];
 255         [o_image release];
 256         FREENULL( psz_meta );
 257     }
 258
 259     /* reload the advanced table */
 260     [rootItem refresh];
 261     [o_outline_view reloadData];
 262
 263     /* update the stats once to display p_item change faster */
 264     [self updateStatistics];
 265     [o_pool release];
 266 }
 267
 268 - (void)setMeta: (char *)psz_meta forLabel: (id)theItem
 269 {
 270     if( psz_meta != NULL && *psz_meta)
 271         [theItem setStringValue: [NSString stringWithUTF8String:psz_meta]];
 272     else
 273         [theItem setStringValue: @""];
 274 }
 275
 276 - (void)updateStatistics
 277 {
 278     if ([o_info_window isVisible])
 279     {
 280         if( !p_item || !p_item->p_stats )
 281         {
 282             [self initMediaPanelStats];
 283             return;
 284         }
 285
 286         vlc_mutex_lock( &p_item->p_stats->lock );
 287
 288         /* input */
 289         [o_read_bytes_txt setStringValue: [NSString stringWithFormat:
 290             @"%8.0f KiB", (float)(p_item->p_stats->i_read_bytes)/1024]];
 291         [o_input_bitrate_txt setStringValue: [NSString stringWithFormat:
 292             @"%6.0f kb/s", (float)(p_item->p_stats->f_input_bitrate)*8000]];
 293         [o_demux_bytes_txt setStringValue: [NSString stringWithFormat:
 294             @"%8.0f KiB", (float)(p_item->p_stats->i_demux_read_bytes)/1024]];
 295         [o_demux_bitrate_txt setStringValue: [NSString stringWithFormat:
 296             @"%6.0f kb/s", (float)(p_item->p_stats->f_demux_bitrate)*8000]];
 297
 298         /* Video */
 299         [o_video_decoded_txt setIntValue: p_item->p_stats->i_decoded_video];
 300         [o_displayed_txt setIntValue: p_item->p_stats->i_displayed_pictures];
 301         [o_lost_frames_txt setIntValue: p_item->p_stats->i_lost_pictures];
 302
 303         /* Sout */
 304         [o_sent_packets_txt setIntValue: p_item->p_stats->i_sent_packets];
 305         [o_sent_bytes_txt setStringValue: [NSString stringWithFormat: @"%8.0f KiB",
 306             (float)(p_item->p_stats->i_sent_bytes)/1024]];
 307         [o_sent_bitrate_txt setStringValue: [NSString stringWithFormat:
 308             @"%6.0f kb/s", (float)(p_item->p_stats->f_send_bitrate*8)*1000]];
 309
 310         /* Audio */
 311         [o_audio_decoded_txt setIntValue: p_item->p_stats->i_decoded_audio];
 312         [o_played_abuffers_txt setIntValue: p_item->p_stats->i_played_abuffers];
 313         [o_lost_abuffers_txt setIntValue: p_item->p_stats->i_lost_abuffers];
 314
 315         vlc_mutex_unlock( &p_item->p_stats->lock );
 316     }
 317 }
 318
 319 - (IBAction)metaFieldChanged:(id)sender
 320 {
 321     [o_saveMetaData_btn setEnabled: YES];
 322 }
 323
 324 - (IBAction)saveMetaData:(id)sender
 325 {
 326     if( !p_item ) goto error;
 327
 328     #define utf8( o_blub ) \
 329         [[o_blub stringValue] UTF8String]
 330
 331     input_item_SetName( p_item, utf8( o_title_txt ) );
 332     input_item_SetTitle( p_item, utf8( o_title_txt ) );
 333     input_item_SetArtist( p_item, utf8( o_author_txt ) );
 334     input_item_SetAlbum( p_item, utf8( o_collection_txt ) );
 335     input_item_SetGenre( p_item, utf8( o_genre_txt ) );
 336     input_item_SetTrackNum( p_item, utf8( o_seqNum_txt ) );
 337     input_item_SetDate( p_item, utf8( o_date_txt ) );
 338     input_item_SetCopyright( p_item, utf8( o_copyright_txt ) );
 339     input_item_SetPublisher( p_item, utf8( o_publisher_txt ) );
 340     input_item_SetDescription( p_item, utf8( o_description_txt ) );
 341     input_item_SetLanguage( p_item, utf8( o_language_txt ) );
 342
 343     playlist_t * p_playlist = pl_Get( VLCIntf );
 344     input_item_WriteMeta( VLC_OBJECT(p_playlist), p_item );
 345
 346     var_SetBool( p_playlist, "intf-change", true );
 347     [self updatePanelWithItem: p_item];
 348
 349     [o_saveMetaData_btn setEnabled: NO];
 350     return;
 351
 352 error:
 353     NSRunAlertPanel(_NS("Error while saving meta"),
 354         _NS("VLC was unable to save the meta data."),
 355         _NS("OK"), nil, nil);
 356 }
 357
 358 - (IBAction)downloadCoverArt:(id)sender
 359 {
 360     playlist_t * p_playlist = pl_Get( VLCIntf );
 361     if( p_item) playlist_AskForArtEnqueue( p_playlist, p_item );
 362 }
 363
 364 - (input_item_t *)item
 365 {
 366     if( p_item ) vlc_gc_incref( p_item );
 367     return p_item;
 368 }
 369
 370 @end
 371
 372 @implementation VLCInfo (NSMenuValidation)
 373
 374 - (BOOL)validateMenuItem:(NSMenuItem *)o_mi
 375 {
 376     BOOL bEnabled = TRUE;
 377
 378     if( [[o_mi title] isEqualToString: _NS("Information")] )
 379     {
 380         return ![[[VLCMain sharedInstance] playlist] isSelectionEmpty];
 381     }
 382
 383     return TRUE;
 384 }
 385
 386 @end
 387
 388 @implementation VLCInfo (NSTableDataSource)
 389
 390 - (NSInteger)outlineView:(NSOutlineView *)outlineView numberOfChildrenOfItem:(id)item
 391 {
 392     return (item == nil) ? [rootItem numberOfChildren] : [item numberOfChildren];
 393 }
 394
 395 - (BOOL)outlineView:(NSOutlineView *)outlineView isItemExpandable:(id)item {
 396     return ([item numberOfChildren] > 0);
 397 }
 398
 399 - (id)outlineView:(NSOutlineView *)outlineView child:(NSInteger)index ofItem:(id)item
 400 {
 401     return (item == nil) ? [rootItem childAtIndex:index] : (id)[item childAtIndex:index];
 402 }
 403
 404 - (id)outlineView:(NSOutlineView *)outlineView objectValueForTableColumn:(NSTableColumn *)tableColumn byItem:(id)item
 405 {
 406     if ([[tableColumn identifier] isEqualToString:@"0"])
 407     {
 408         return (item == nil) ? @"" : (id)[item name];
 409     }
 410     else
 411     {
 412         return (item == nil) ? @"" : (id)[item value];
 413     }
 414 }
 415
 416 @end
 417
 418 @implementation VLCInfoTreeItem
 419
 420 #define IsALeafNode ((id)-1)
 421
 422 - (id)initWithName: (NSString *)o_item_name value: (NSString *)o_item_value ID: (int)i_id
 423        parent:(VLCInfoTreeItem *)o_parent_item
 424 {
 425     self = [super init];
 426
 427     if( self != nil )
 428     {
 429         o_name = [o_item_name copy];
 430         o_value = [o_item_value copy];
 431         i_object_id = i_id;
 432         o_parent = o_parent_item;
 433         p_item = [[[VLCMain sharedInstance] info] item];
 434         o_children = nil;
 435     }
 436     return( self );
 437 }
 438
 439 - (id)init
 440 {
 441     return [self initWithName:@"main" value:@"" ID:-1 parent:nil];
 442 }
 443
 444 - (void)dealloc
 445 {
 446     if( o_children != IsALeafNode ) [o_children release];
 447     [o_name release];
 448     [o_value release];
 449     if( p_item ) vlc_gc_decref( p_item );
 450     [super dealloc];
 451 }
 452
 453 /* Creates and returns the array of children
 454  * Loads children incrementally */
 455 - (NSArray *)children
 456 {
 457     if( !p_item ) return nil;
 458
 459     if (o_children == NULL)
 460     {
 461         int i;
 462
 463         if( i_object_id == -1 )
 464         {
 465             vlc_mutex_lock( &p_item->lock );
 466             o_children = [[NSMutableArray alloc] initWithCapacity: p_item->i_categories];
 467             for (i = 0 ; i < p_item->i_categories ; i++)
 468             {
 469                 NSString * name = [NSString stringWithUTF8String: p_item->pp_categories[i]->psz_name];
 470                 VLCInfoTreeItem * item = [[VLCInfoTreeItem alloc] initWithName:name value:@"" ID:i parent:self];
 471                 [item autorelease];
 472                 [o_children addObject:item];
 473             }
 474             vlc_mutex_unlock( &p_item->lock );
 475         }
 476         else if( o_parent->i_object_id == -1 )
 477         {
 478             vlc_mutex_lock( &p_item->lock );
 479             info_category_t * cat = p_item->pp_categories[i_object_id];
 480             o_children = [[NSMutableArray alloc] initWithCapacity: cat->i_infos];
 481             for (i = 0 ; i < cat->i_infos ; i++)
 482             {
 483                 NSString * name = [NSString stringWithUTF8String: cat->pp_infos[i]->psz_name];
 484                 NSString * value = [NSString stringWithUTF8String: cat->pp_infos[i]->psz_value ? : ""];
 485                 VLCInfoTreeItem * item = [[VLCInfoTreeItem alloc] initWithName:name value:value ID:i parent:self];
 486                 [item autorelease];
 487                 [o_children addObject:item];
 488             }
 489             vlc_mutex_unlock( &p_item->lock );
 490         }
 491         else
 492         {
 493             o_children = IsALeafNode;
 494         }
 495     }
 496     return o_children;
 497 }
 498
 499 - (NSString *)name
 500 {
 501     return [[o_name retain] autorelease];
 502 }
 503
 504 - (NSString *)value
 505 {
 506     return [[o_value retain] autorelease];
 507 }
 508
 509 - (void)refresh
 510 {
 511     input_item_t * oldItem = p_item;
 512     p_item = [[[VLCMain sharedInstance] info] item];
 513     if( oldItem && oldItem != p_item ) vlc_gc_decref( oldItem );
 514
 515     [o_children release];
 516     o_children = nil;
 517 }
 518
 519 - (VLCInfoTreeItem *)childAtIndex:(NSUInteger)i_index {
 520     return [[self children] objectAtIndex:i_index];
 521 }
 522
 523 - (int)numberOfChildren {
 524
 525     id i_tmp = [self children];
 526     return ( i_tmp == IsALeafNode ) ? (-1) : (int)[i_tmp count];
 527 }
 528
 529 @end
 530