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

   1 /*****************************************************************************
   2  r playlistinfo.m: MacOS X interface module
   3  *****************************************************************************
   4  * Copyright (C) 2002-2008 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
  33 /*****************************************************************************
  34  * VLCPlaylistInfo Implementation
  35  *****************************************************************************/
  36
  37 @implementation VLCInfo
  38
  39 static VLCInfo *_o_sharedInstance = nil;
  40
  41 + (VLCInfo *)sharedInstance
  42 {
  43     return _o_sharedInstance ? _o_sharedInstance : [[self alloc] init];
  44 }
  45
  46 - (id)init
  47 {
  48     if( _o_sharedInstance ) {
  49         [self dealloc];
  50     } else {
  51         _o_sharedInstance = [super init];
  52
  53         if( _o_sharedInstance != nil )
  54         {
  55             p_item = NULL;
  56             o_statUpdateTimer = nil;
  57         }
  58     }
  59
  60     return _o_sharedInstance;
  61 }
  62
  63 - (void)awakeFromNib
  64 {
  65     [o_info_window setExcludedFromWindowsMenu: TRUE];
  66
  67     [o_info_window setTitle: _NS("Media Information")];
  68     [o_uri_lbl setStringValue: _NS("Location")];
  69     [o_title_lbl setStringValue: _NS("Title")];
  70     [o_author_lbl setStringValue: _NS("Artist")];
  71     [o_saveMetaData_btn setStringValue: _NS("Save Metadata" )];
  72
  73     [[o_tab_view tabViewItemAtIndex: 0] setLabel: _NS("General")];
  74     [[o_tab_view tabViewItemAtIndex: 1] setLabel: _NS("Codec Details")];
  75     [[o_tab_view tabViewItemAtIndex: 2] setLabel: _NS("Statistics")];
  76     [o_tab_view selectTabViewItemAtIndex: 0];
  77
  78     /* constants defined in vlc_meta.h */
  79     [o_genre_lbl setStringValue: _NS(VLC_META_GENRE)];
  80     [o_copyright_lbl setStringValue: _NS(VLC_META_COPYRIGHT)];
  81     [o_collection_lbl setStringValue: _NS(VLC_META_COLLECTION)];
  82     [o_seqNum_lbl setStringValue: _NS(VLC_META_SEQ_NUM)];
  83     [o_description_lbl setStringValue: _NS(VLC_META_DESCRIPTION)];
  84     [o_date_lbl setStringValue: _NS(VLC_META_DATE)];
  85     [o_language_lbl setStringValue: _NS(VLC_META_LANGUAGE)];
  86     [o_nowPlaying_lbl setStringValue: _NS(VLC_META_NOW_PLAYING)];
  87     [o_publisher_lbl setStringValue: _NS(VLC_META_PUBLISHER)];
  88
  89     /* statistics */
  90     [o_input_box setTitle: _NS("Input")];
  91     [o_read_bytes_lbl setStringValue: _NS("Read at media")];
  92     [o_input_bitrate_lbl setStringValue: _NS("Input bitrate")];
  93     [o_demux_bytes_lbl setStringValue: _NS("Demuxed")];
  94     [o_demux_bitrate_lbl setStringValue: _NS("Stream bitrate")];
  95
  96     [o_video_box setTitle: _NS("Video")];
  97     [o_video_decoded_lbl setStringValue: _NS("Decoded blocks")];
  98     [o_displayed_lbl setStringValue: _NS("Displayed frames")];
  99     [o_lost_frames_lbl setStringValue: _NS("Lost frames")];
 100         [o_fps_lbl setStringValue: _NS("Frames per Second")];
 101
 102     [o_sout_box setTitle: _NS("Streaming")];
 103     [o_sent_packets_lbl setStringValue: _NS("Sent packets")];
 104     [o_sent_bytes_lbl setStringValue: _NS("Sent bytes")];
 105     [o_sent_bitrate_lbl setStringValue: _NS("Send rate")];
 106
 107     [o_audio_box setTitle: _NS("Audio")];
 108     [o_audio_decoded_lbl setStringValue: _NS("Decoded blocks")];
 109     [o_played_abuffers_lbl setStringValue: _NS("Played buffers")];
 110     [o_lost_abuffers_lbl setStringValue: _NS("Lost buffers")];
 111 }
 112
 113 - (void)dealloc
 114 {
 115     /* make sure that the timer is released in any case */
 116     if( [o_statUpdateTimer isValid] )
 117         [o_statUpdateTimer invalidate];
 118
 119     if ( o_statUpdateTimer )
 120         [o_statUpdateTimer release];
 121
 122     [super dealloc];
 123 }
 124
 125 - (void)initPanel
 126 {
 127     BOOL b_stats = config_GetInt(VLCIntf, "stats");
 128     if( b_stats )
 129     {
 130         o_statUpdateTimer = [NSTimer scheduledTimerWithTimeInterval: 1
 131             target: self selector: @selector(updateStatistics:)
 132             userInfo: nil repeats: YES];
 133         [o_statUpdateTimer fire];
 134         [o_statUpdateTimer retain];
 135     }
 136     else
 137     {
 138         if( [o_tab_view numberOfTabViewItems] > 2 )
 139             [o_tab_view removeTabViewItem: [o_tab_view tabViewItemAtIndex: 2]];
 140     }
 141
 142     [self updatePanel];
 143     [o_info_window makeKeyAndOrderFront: self];
 144 }
 145
 146 - (void)updatePanel
 147 {
 148     /* make sure that we got the current item and not an outdated one */
 149     intf_thread_t * p_intf = VLCIntf;
 150         playlist_t * p_playlist = pl_Yield( p_intf );
 151
 152     p_item = p_playlist->status.p_item;
 153     vlc_object_release( p_playlist );
 154
 155     /* check whether our item is valid, because we would crash if not */
 156     if(! [self isItemInPlaylist: p_item] ) return;
 157
 158     /* fill uri info */
 159     char *psz_uri = input_item_GetURI( p_item->p_input );
 160     if( psz_uri )
 161     {
 162         [o_uri_txt setStringValue: [NSString stringWithUTF8String:psz_uri]];
 163     }
 164     free( psz_uri );
 165
 166 #define SET( foo, bar ) \
 167     char *psz_##foo = input_item_Get##bar ( p_item->p_input ); \
 168     [self setMeta: psz_##foo forLabel: o_##foo##_txt]; \
 169     FREENULL( psz_##foo );
 170
 171     /* fill the other fields */
 172     SET( title, Title );
 173     SET( author, Artist );
 174     SET( collection, Album );
 175     SET( seqNum, TrackNum );
 176     SET( genre, Genre );
 177     SET( copyright, Copyright );
 178     SET( publisher, Publisher );
 179     SET( nowPlaying, NowPlaying );
 180     SET( language, Language );
 181     SET( date, Date );
 182
 183 #undef SET
 184
 185     char *psz_meta;
 186     NSImage *o_image;
 187     /* FIXME!!
 188     psz_meta = input_item_GetArtURL( p_item );
 189     if( psz_meta && !strncmp( psz_meta, "file://", 7 ) )
 190         o_image = [[NSImage alloc] initWithContentsOfURL: [NSURL URLWithString: [NSString stringWithUTF8String: psz_meta]]];
 191     else */
 192         o_image = [[NSImage imageNamed: @"noart.png"] retain];
 193     [o_image_well setImage: o_image];
 194     [o_image release];
 195     //free( psz_meta );
 196
 197     /* reload the advanced table */
 198     [[VLCInfoTreeItem rootItem] refresh];
 199     [o_outline_view reloadData];
 200
 201     /* update the stats once to display p_item change faster */
 202     [self updateStatistics: nil];
 203 }
 204
 205 - (void)setMeta: (char *)psz_meta forLabel: (id)theItem
 206 {
 207     if( psz_meta != NULL && *psz_meta)
 208         [theItem setStringValue: [NSString stringWithUTF8String:psz_meta]];
 209 }
 210
 211 - (void)updateStatistics:(NSTimer*)theTimer
 212 {
 213     if( [self isItemInPlaylist: p_item] )
 214     {
 215         vlc_mutex_lock( &p_item->p_input->p_stats->lock );
 216
 217         /* input */
 218         [o_read_bytes_txt setStringValue: [NSString stringWithFormat:
 219             @"%8.0f kB", (float)(p_item->p_input->p_stats->i_read_bytes)/1000]];
 220         [o_input_bitrate_txt setStringValue: [NSString stringWithFormat:
 221             @"%6.0f kb/s", (float)(p_item->p_input->p_stats->f_input_bitrate)*8000]];
 222         [o_demux_bytes_txt setStringValue: [NSString stringWithFormat:
 223             @"%8.0f kB", (float)(p_item->p_input->p_stats->i_demux_read_bytes)/1000]];
 224         [o_demux_bitrate_txt setStringValue: [NSString stringWithFormat:
 225             @"%6.0f kb/s", (float)(p_item->p_input->p_stats->f_demux_bitrate)*8000]];
 226
 227         /* Video */
 228         [o_video_decoded_txt setIntValue: p_item->p_input->p_stats->i_decoded_video];
 229         [o_displayed_txt setIntValue: p_item->p_input->p_stats->i_displayed_pictures];
 230         [o_lost_frames_txt setIntValue: p_item->p_input->p_stats->i_lost_pictures];
 231         float f_fps = 0;
 232         /* FIXME! input_Control( p_item->p_input, INPUT_GET_VIDEO_FPS, &f_fps ); */
 233         [o_fps_txt setFloatValue: f_fps];
 234
 235         /* Sout */
 236         [o_sent_packets_txt setIntValue: p_item->p_input->p_stats->i_sent_packets];
 237         [o_sent_bytes_txt setStringValue: [NSString stringWithFormat: @"%8.0f kB",
 238             (float)(p_item->p_input->p_stats->i_sent_bytes)/1000]];
 239         [o_sent_bitrate_txt setStringValue: [NSString stringWithFormat:
 240             @"%6.0f kb/s", (float)(p_item->p_input->p_stats->f_send_bitrate*8)*1000]];
 241
 242         /* Audio */
 243         [o_audio_decoded_txt setIntValue: p_item->p_input->p_stats->i_decoded_audio];
 244         [o_played_abuffers_txt setIntValue: p_item->p_input->p_stats->i_played_abuffers];
 245         [o_lost_abuffers_txt setIntValue: p_item->p_input->p_stats->i_lost_abuffers];
 246
 247         vlc_mutex_unlock( &p_item->p_input->p_stats->lock );
 248     }
 249 }
 250
 251 - (IBAction)saveMetaData:(id)sender
 252 {
 253     /* TODO: implement this feature
 254     intf_thread_t * p_intf = VLCIntf;
 255     playlist_t * p_playlist = pl_Yield( p_intf );
 256     vlc_value_t val;
 257
 258     if( [self isItemInPlaylist: p_item] )
 259     {
 260         input_item_SetName( p_item->p_input, (char*)
 261                 [[o_title_txt stringValue] UTF8String] );
 262         input_item_SetURI( p_item->p_input, (char*)
 263                 [[o_uri_txt stringValue] UTF8String] );
 264         input_item_SetArtist( p_item->p_input, (char*)
 265                 [[o_author_txt stringValue] UTF8String] );
 266
 267         val.b_bool = VLC_TRUE;
 268         var_Set( p_playlist, "intf-change", val );
 269     }
 270     vlc_object_release( p_playlist );*/
 271 }
 272
 273 - (playlist_item_t *)getItem
 274 {
 275     return p_item;
 276 }
 277
 278 - (BOOL)isItemInPlaylist:(playlist_item_t *)p_local_item
 279 {
 280     intf_thread_t * p_intf = VLCIntf;
 281     playlist_t * p_playlist = pl_Yield( p_intf );
 282     int i;
 283
 284     for( i = 0 ; i < p_playlist->all_items.i_size ; i++ )
 285     {
 286         if( ARRAY_VAL( p_playlist->all_items, i ) == p_local_item )
 287         {
 288             vlc_object_release( p_playlist );
 289             return YES;
 290         }
 291     }
 292     vlc_object_release( p_playlist );
 293     return NO;
 294 }
 295
 296 - (BOOL)windowShouldClose:(id)sender
 297 {
 298     if( [o_statUpdateTimer isValid] )
 299         [o_statUpdateTimer invalidate];
 300
 301     if( o_statUpdateTimer )
 302         [o_statUpdateTimer release];
 303
 304     return YES;
 305 }
 306
 307 @end
 308
 309 @implementation VLCInfo (NSMenuValidation)
 310
 311 - (BOOL)validateMenuItem:(NSMenuItem *)o_mi
 312 {
 313     BOOL bEnabled = TRUE;
 314
 315     intf_thread_t * p_intf = VLCIntf;
 316     input_thread_t * p_input = vlc_object_find( p_intf, VLC_OBJECT_INPUT,
 317                                                        FIND_ANYWHERE );
 318
 319     if( [[o_mi title] isEqualToString: _NS("Information")] )
 320     {
 321         if( p_input == NULL )
 322         {
 323             bEnabled = FALSE;
 324         }
 325     }
 326     if( p_input ) vlc_object_release( p_input );
 327
 328     return( bEnabled );
 329 }
 330
 331 @end
 332
 333 @implementation VLCInfo (NSTableDataSource)
 334
 335 - (int)outlineView:(NSOutlineView *)outlineView numberOfChildrenOfItem:(id)item
 336 {
 337     return (item == nil) ? [[VLCInfoTreeItem rootItem] numberOfChildren] : [item numberOfChildren];
 338 }
 339
 340 - (BOOL)outlineView:(NSOutlineView *)outlineView isItemExpandable:(id)item {
 341     return ([item numberOfChildren] > 0);
 342 }
 343
 344 - (id)outlineView:(NSOutlineView *)outlineView child:(int)index ofItem:(id)item
 345 {
 346     return (item == nil) ? [[VLCInfoTreeItem rootItem] childAtIndex:index] : (id)[item childAtIndex:index];
 347 }
 348
 349 - (id)outlineView:(NSOutlineView *)outlineView objectValueForTableColumn:(NSTableColumn *)tableColumn byItem:(id)item
 350 {
 351     if ([[tableColumn identifier] isEqualToString:@"0"])
 352     {
 353         return (item == nil) ? @"" : (id)[item getName];
 354     }
 355     else
 356     {
 357         return (item == nil) ? @"" : (id)[item getValue];
 358     }
 359 }
 360
 361
 362 @end
 363
 364 @implementation VLCInfoTreeItem
 365
 366 static VLCInfoTreeItem *o_root_item = nil;
 367
 368 #define IsALeafNode ((id)-1)
 369
 370 - (id)initWithName: (NSString *)o_item_name value: (NSString *)o_item_value ID: (int)i_id parent:(VLCInfoTreeItem *)o_parent_item
 371 {
 372     self = [super init];
 373
 374     if( self != nil )
 375     {
 376         o_name = [o_item_name copy];
 377         o_value = [o_item_value copy];
 378         i_object_id = i_id;
 379         o_parent = o_parent_item;
 380         if( [[VLCMain sharedInstance] getInfo] != nil )
 381             p_item = [[[VLCMain sharedInstance] getInfo] getItem];
 382         else
 383             p_item = NULL;
 384     }
 385     return( self );
 386 }
 387
 388 + (VLCInfoTreeItem *)rootItem {
 389     if( o_root_item == nil )
 390         o_root_item = [[VLCInfoTreeItem alloc] initWithName:@"main" value: @"" ID: 0 parent:nil];
 391     return o_root_item;
 392 }
 393
 394 - (void)dealloc
 395 {
 396     if( o_children != IsALeafNode ) [o_children release];
 397     [o_name release];
 398     [super dealloc];
 399 }
 400
 401 /* Creates and returns the array of children
 402  * Loads children incrementally */
 403 - (NSArray *)children
 404 {
 405     if (o_children == NULL)
 406     {
 407         int i;
 408
 409         if( [[[VLCMain sharedInstance] getInfo] isItemInPlaylist: p_item] )
 410         {
 411             if( self == o_root_item )
 412             {
 413                 vlc_mutex_lock( &p_item->p_input->lock );
 414                 o_children = [[NSMutableArray alloc] initWithCapacity:
 415                                                 p_item->p_input->i_categories];
 416                 for (i = 0 ; i < p_item->p_input->i_categories ; i++)
 417                 {
 418                     [o_children addObject:[[VLCInfoTreeItem alloc]
 419                         initWithName: [NSString stringWithUTF8String:
 420                             p_item->p_input->pp_categories[i]->psz_name]
 421                         value: @""
 422                         ID: i
 423                         parent: self]];
 424                 }
 425                 vlc_mutex_unlock( &p_item->p_input->lock );
 426             }
 427             else if( o_parent == o_root_item )
 428             {
 429                 vlc_mutex_lock( &p_item->p_input->lock );
 430                 o_children = [[NSMutableArray alloc] initWithCapacity:
 431                     p_item->p_input->pp_categories[i_object_id]->i_infos];
 432
 433                 for (i = 0 ; i < p_item->p_input->pp_categories[i_object_id]->i_infos ; i++)
 434                 {
 435                     [o_children addObject:[[VLCInfoTreeItem alloc]
 436                     initWithName: [NSString stringWithUTF8String:
 437                             p_item->p_input->pp_categories[i_object_id]->pp_infos[i]->psz_name]
 438                         value: [NSString stringWithUTF8String:
 439                             p_item->p_input->pp_categories[i_object_id]->pp_infos[i]->psz_value ? : ""]
 440                         ID: i
 441                         parent: self]];
 442                 }
 443                 vlc_mutex_unlock( &p_item->p_input->lock );
 444             }
 445             else
 446             {
 447                 o_children = IsALeafNode;
 448             }
 449         }
 450     }
 451     return o_children;
 452 }
 453
 454 - (NSString *)getName
 455 {
 456     return o_name;
 457 }
 458
 459 - (NSString *)getValue
 460 {
 461     return o_value;
 462 }
 463
 464 - (VLCInfoTreeItem *)childAtIndex:(int)i_index {
 465     return [[self children] objectAtIndex:i_index];
 466 }
 467
 468 - (int)numberOfChildren {
 469     id i_tmp = [self children];
 470     return ( i_tmp == IsALeafNode ) ? (-1) : (int)[i_tmp count];
 471 }
 472
 473 - (void)refresh
 474 {
 475     p_item = [[[VLCMain sharedInstance] getInfo] getItem];
 476     if( o_children != NULL )
 477     {
 478         [o_children release];
 479         o_children = NULL;
 480     }
 481 }
 482
 483 @end
 484