cinelerra-5.1/cinelerra/assets.C

   1
   2 /*
   3  * CINELERRA
   4  * Copyright (C) 2008 Adam Williams <broadcast at earthling dot net>
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  *
  20  */
  21
  22 #include "asset.h"
  23 #include "assets.h"
  24 #include "awindowgui.inc"
  25 #include "batch.h"
  26 #include "cache.h"
  27 #include "bchash.h"
  28 #include "edl.h"
  29 #include "file.h"
  30 #include "filexml.h"
  31 #include "filesystem.h"
  32 #include "indexfile.h"
  33 #include "mainsession.h"
  34 #include "threadindexer.h"
  35 #include <string.h>
  36
  37 Assets::Assets(EDL *edl) : List<Asset>()
  38 {
  39         this->edl = edl;
  40 }
  41
  42 Assets::~Assets()
  43 {
  44         delete_all();
  45 }
  46
  47 int Assets::load(FileXML *file, uint32_t load_flags)
  48 {
  49         int result = 0;
  50
  51         while(!result)
  52         {
  53                 result = file->read_tag();
  54                 if(!result)
  55                 {
  56                         if(file->tag.title_is("/ASSETS"))
  57                         {
  58                                 result = 1;
  59                         }
  60                         else
  61                         if(file->tag.title_is("ASSET"))
  62                         {
  63                                 const char *path = file->tag.get_property("SRC");
  64                                 if(path && path[0] != 0)
  65                                 {
  66                                         Asset *new_asset = new Asset(path);
  67                                         new_asset->read(file);
  68                                         update(new_asset);
  69                                         new_asset->Garbage::remove_user();
  70                                 }
  71                         }
  72                 }
  73         }
  74         return 0;
  75 }
  76
  77 int Assets::save(FileXML *file, char *path)
  78 {
  79         file->tag.set_title("ASSETS");
  80         file->append_tag();
  81         file->append_newline();
  82
  83         for(Asset* current = first; current; current = NEXT)
  84         {
  85                 current->write(file,
  86                         0,
  87                         path);
  88         }
  89
  90         file->tag.set_title("/ASSETS");
  91         file->append_tag();
  92         file->append_newline();
  93         file->append_newline();
  94         return 0;
  95 }
  96
  97 void Assets::copy_from(Assets *assets)
  98 {
  99         delete_all();
 100
 101         for(Asset *current = assets->first; current; current = NEXT)
 102         {
 103                 Asset *new_asset;
 104                 append(new_asset = new Asset);
 105                 new_asset->copy_from(current, 1);
 106         }
 107 }
 108
 109 void Assets::update_index(Asset *asset)
 110 {
 111         if(!asset) return;
 112         for(Asset* current = first; current; current = NEXT)
 113         {
 114                 if(current->test_path(asset->path))
 115                 {
 116                         current->update_index(asset);
 117                 }
 118         }
 119 }
 120
 121 Asset* Assets::update(Asset *asset)
 122 {
 123         if(!asset) return 0;
 124
 125         for(Asset* current = first; current; current = NEXT)
 126         {
 127 // Asset already exists.
 128                 if(current->test_path(asset->path))
 129                 {
 130                         return current;
 131                 }
 132         }
 133
 134 // Asset doesn't exist.
 135         Asset *asset_copy = new Asset(*asset);
 136         append(asset_copy);
 137         return asset_copy;
 138 }
 139
 140 int Assets::delete_all()
 141 {
 142         while(first)
 143         {
 144                 remove_asset(first);
 145         }
 146         return 0;
 147 }
 148
 149 Asset* Assets::update(const char *path)
 150 {
 151         Asset* current = first;
 152
 153         while(current)
 154         {
 155                 if(current->test_path(path))
 156                 {
 157                         return current;
 158                 }
 159                 current = NEXT;
 160         }
 161
 162         return append(new Asset(path));
 163 }
 164
 165 Asset* Assets::get_asset(const char *filename)
 166 {
 167         Asset* current = first;
 168         Asset* result = 0;
 169
 170         while(current)
 171         {
 172 //printf("Assets::get_asset %p %s\n", filename, filename);
 173                 if(current->test_path(filename))
 174                 {
 175                         result = current;
 176                         break;
 177                 }
 178                 current = current->next;
 179         }
 180
 181         return result;
 182 }
 183
 184 void Assets::remove_asset(Asset *asset)
 185 {
 186         remove_pointer(asset);
 187         asset->Garbage::remove_user();
 188 }
 189
 190
 191 int Assets::number_of(Asset *asset)
 192 {
 193         int i;
 194         Asset *current;
 195
 196         for(i = 0, current = first; current && current != asset; i++, current = NEXT)
 197                 ;
 198
 199         return i;
 200 }
 201
 202 Asset* Assets::asset_number(int number)
 203 {
 204         int i;
 205         Asset *current;
 206
 207         for(i = 0, current = first; i < number && current; i++, current = NEXT)
 208                 ;
 209
 210         return current;
 211 }
 212
 213 int Assets::update_old_filename(char *old_filename, char *new_filename)
 214 {
 215         for(Asset* current = first; current; current = NEXT)
 216         {
 217                 if(!strcmp(current->path, old_filename))
 218                 {
 219                         current->update_path(new_filename);
 220                 }
 221         }
 222         return 0;
 223 }
 224
 225
 226 int Assets::dump(FILE *fp)
 227 {
 228         for(Asset *current = first; current; current = NEXT)
 229         {
 230                 current->dump(fp);
 231         }
 232         return 0;
 233 }
 234
 235