cinelerra-5.0/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                                         Asset *asset = update(new_asset);
  69                                         asset->copy_from(new_asset,1);
  70                                         new_asset->Garbage::remove_user();
  71                                 }
  72                         }
  73                 }
  74         }
  75         return 0;
  76 }
  77
  78 int Assets::save(FileXML *file, char *path)
  79 {
  80         file->tag.set_title("ASSETS");
  81         file->append_tag();
  82         file->append_newline();
  83
  84         for(Asset* current = first; current; current = NEXT)
  85         {
  86                 current->write(file,
  87                         0,
  88                         path);
  89         }
  90
  91         file->tag.set_title("/ASSETS");
  92         file->append_tag();
  93         file->append_newline();
  94         file->append_newline();
  95         return 0;
  96 }
  97
  98 void Assets::copy_from(Assets *assets)
  99 {
 100         delete_all();
 101
 102         for(Asset *current = assets->first; current; current = NEXT)
 103         {
 104                 Asset *new_asset;
 105                 append(new_asset = new Asset);
 106                 new_asset->copy_from(current, 1);
 107         }
 108 }
 109
 110 Assets& Assets::operator=(Assets &assets)
 111 {
 112 printf("Assets::operator= 1\n");
 113         copy_from(&assets);
 114         return *this;
 115 }
 116
 117
 118 void Assets::update_index(Asset *asset)
 119 {
 120         if(!asset) return;
 121         for(Asset* current = first; current; current = NEXT)
 122         {
 123                 if(current->test_path(asset->path))
 124                 {
 125                         current->update_index(asset);
 126                 }
 127         }
 128 }
 129
 130 Asset* Assets::update(Asset *asset)
 131 {
 132         if(!asset) return 0;
 133
 134         for(Asset* current = first; current; current = NEXT)
 135         {
 136 // Asset already exists.
 137                 if(current->test_path(asset->path))
 138                 {
 139                         return current;
 140                 }
 141         }
 142
 143 // Asset doesn't exist.
 144         Asset *asset_copy = new Asset(*asset);
 145         append(asset_copy);
 146         return asset_copy;
 147 }
 148
 149 int Assets::delete_all()
 150 {
 151         while(first)
 152         {
 153                 remove_asset(first);
 154         }
 155         return 0;
 156 }
 157
 158 Asset* Assets::update(const char *path)
 159 {
 160         Asset* current = first;
 161
 162         while(current)
 163         {
 164                 if(current->test_path(path))
 165                 {
 166                         return current;
 167                 }
 168                 current = NEXT;
 169         }
 170
 171         return append(new Asset(path));
 172 }
 173
 174 Asset* Assets::get_asset(const char *filename)
 175 {
 176         Asset* current = first;
 177         Asset* result = 0;
 178
 179         while(current)
 180         {
 181 //printf("Assets::get_asset %p %s\n", filename, filename);
 182                 if(current->test_path(filename))
 183                 {
 184                         result = current;
 185                         break;
 186                 }
 187                 current = current->next;
 188         }
 189
 190         return result;
 191 }
 192
 193 void Assets::remove_asset(Asset *asset)
 194 {
 195         remove_pointer(asset);
 196         asset->Garbage::remove_user();
 197 }
 198
 199
 200 int Assets::number_of(Asset *asset)
 201 {
 202         int i;
 203         Asset *current;
 204
 205         for(i = 0, current = first; current && current != asset; i++, current = NEXT)
 206                 ;
 207
 208         return i;
 209 }
 210
 211 Asset* Assets::asset_number(int number)
 212 {
 213         int i;
 214         Asset *current;
 215
 216         for(i = 0, current = first; i < number && current; i++, current = NEXT)
 217                 ;
 218
 219         return current;
 220 }
 221
 222 int Assets::update_old_filename(char *old_filename, char *new_filename)
 223 {
 224         for(Asset* current = first; current; current = NEXT)
 225         {
 226                 if(!strcmp(current->path, old_filename))
 227                 {
 228                         current->update_path(new_filename);
 229                 }
 230         }
 231         return 0;
 232 }
 233
 234
 235 int Assets::dump(FILE *fp)
 236 {
 237         for(Asset *current = first; current; current = NEXT)
 238         {
 239                 current->dump(fp);
 240         }
 241         return 0;
 242 }
 243
 244