cinelerra/virtualconsole.C

   1
   2 /*
   3  * CINELERRA
   4  * Copyright (C) 2008-2013 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 "auto.h"
  23 #include "automation.h"
  24 #include "autos.h"
  25 #include "commonrender.h"
  26 #include "condition.h"
  27 #include "edl.h"
  28 #include "edlsession.h"
  29 #include "intautos.h"
  30 #include "module.h"
  31 #include "mutex.h"
  32 #include "playabletracks.h"
  33 #include "renderengine.h"
  34 #include "tracks.h"
  35 #include "transportque.h"
  36 #include "virtualconsole.h"
  37 #include "virtualnode.h"
  38
  39
  40 VirtualConsole::VirtualConsole(RenderEngine *renderengine,
  41         CommonRender *commonrender,
  42         int data_type)
  43 {
  44         this->renderengine = renderengine;
  45         this->commonrender = commonrender;
  46         this->data_type = data_type;
  47         total_exit_nodes = 0;
  48         playable_tracks = 0;
  49         entry_nodes = 0;
  50         debug_tree = 0;
  51 //printf("VirtualConsole::VirtualConsole\n");
  52 }
  53
  54
  55 VirtualConsole::~VirtualConsole()
  56 {
  57         delete_virtual_console();
  58
  59         delete playable_tracks;
  60 //printf("VirtualConsole::~VirtualConsole\n");
  61 }
  62
  63
  64 void VirtualConsole::create_objects()
  65 {
  66         interrupt = 0;
  67         done = 0;
  68
  69         get_playable_tracks();
  70         total_exit_nodes = playable_tracks->size();
  71         build_virtual_console(1);
  72 //dump();
  73 }
  74
  75 void VirtualConsole::start_playback()
  76 {
  77         interrupt = 0;
  78         done = 0;
  79 }
  80
  81 void VirtualConsole::get_playable_tracks()
  82 {
  83 }
  84
  85 Module* VirtualConsole::module_of(Track *track)
  86 {
  87         for(int i = 0; i < commonrender->total_modules; i++)
  88         {
  89                 if(commonrender->modules[i]->track == track)
  90                         return commonrender->modules[i];
  91         }
  92         return 0;
  93 }
  94
  95 Module* VirtualConsole::module_number(int track_number)
  96 {
  97 // The track number is an absolute number of the track independant of
  98 // the tracks with matching data type but virtual modules only exist for
  99 // the matching data type.
 100 // Convert from absolute track number to data type track number.
 101         Track *current = renderengine->get_edl()->tracks->first;
 102         int data_type_number = 0, number = 0;
 103
 104         for( ; current; current = NEXT, number++)
 105         {
 106                 if(current->data_type == data_type)
 107                 {
 108                         if(number == track_number)
 109                                 return commonrender->modules[data_type_number];
 110                         else
 111                                 data_type_number++;
 112                 }
 113         }
 114
 115
 116         return 0;
 117 }
 118
 119 void VirtualConsole::build_virtual_console(int persistent_plugins)
 120 {
 121 // allocate the entry nodes
 122         if(!entry_nodes)
 123         {
 124                 entry_nodes = new VirtualNode*[total_exit_nodes];
 125
 126 // printf("VirtualConsole::build_virtual_console %d total_exit_nodes=%d\n",
 127 // __LINE__,
 128 // total_exit_nodes);
 129                 for(int i = 0; i < total_exit_nodes; i++)
 130                 {
 131 // printf("VirtualConsole::build_virtual_console %d track=%p module=%p\n",
 132 // __LINE__,
 133 // playable_tracks->get(i),
 134 // module_of(playable_tracks->get(i)));
 135                         entry_nodes[i] = new_entry_node(playable_tracks->get(i),
 136                                 module_of(playable_tracks->get(i)),
 137                                 i);
 138
 139 // Expand the trees
 140                         entry_nodes[i]->expand(persistent_plugins,
 141                                 commonrender->current_position);
 142                 }
 143                 commonrender->restart_plugins = 1;
 144         }
 145 //dump();
 146 }
 147
 148 VirtualNode* VirtualConsole::new_entry_node(Track *track,
 149         Module *module,
 150         int track_number)
 151 {
 152         printf("VirtualConsole::new_entry_node should not be called\n");
 153         return 0;
 154 }
 155
 156 void VirtualConsole::append_exit_node(VirtualNode *node)
 157 {
 158         node->is_exit = 1;
 159         exit_nodes.append(node);
 160 }
 161
 162 void VirtualConsole::reset_attachments()
 163 {
 164         for(int i = 0; i < commonrender->total_modules; i++)
 165         {
 166                 commonrender->modules[i]->reset_attachments();
 167         }
 168 }
 169
 170 void VirtualConsole::dump()
 171 {
 172         printf("VirtualConsole\n");
 173         printf(" Modules\n");
 174         for(int i = 0; i < commonrender->total_modules; i++)
 175                 commonrender->modules[i]->dump();
 176         printf(" Nodes\n");
 177         for(int i = 0; i < total_exit_nodes; i++)
 178                 entry_nodes[i]->dump(0);
 179 }
 180
 181
 182 int VirtualConsole::test_reconfigure(int64_t position,
 183         int64_t &length)
 184 {
 185         int result = 0;
 186         Track *current_track;
 187         int direction = renderengine->command->get_direction();
 188
 189 // Test playback status against virtual console for current position.
 190         for(current_track = renderengine->get_edl()->tracks->first;
 191                 current_track && !result;
 192                 current_track = current_track->next)
 193         {
 194                 if(current_track->data_type == data_type)
 195                 {
 196 // Playable status changed
 197                         if(playable_tracks->is_playable(current_track,
 198                                 commonrender->current_position,
 199                                 direction,
 200                                 1))
 201                         {
 202                                 if(!playable_tracks->is_listed(current_track))
 203                                         result = 1;
 204                         }
 205                         else
 206                         if(playable_tracks->is_listed(current_track))
 207                         {
 208                                 result = 1;
 209                         }
 210                 }
 211         }
 212
 213 // Test plugins against virtual console at current position
 214         for(int i = 0; i < commonrender->total_modules && !result; i++)
 215                 result = commonrender->modules[i]->test_plugins();
 216
 217
 218
 219
 220
 221 // Now get the length of time until next reconfiguration.
 222 // This part is not concerned with result.
 223 // Don't clip input length if only rendering 1 frame.
 224         if(length == 1) return result;
 225
 226
 227
 228
 229
 230 // GCC 3.2 requires this or optimization error results.
 231         int64_t longest_duration1;
 232         int64_t longest_duration2;
 233         int64_t longest_duration3;
 234
 235 // Length of time until next transition, edit, or effect change.
 236 // Why do we need the edit change?  Probably for changing to and from silence.
 237         for(current_track = renderengine->get_edl()->tracks->first;
 238                 current_track;
 239                 current_track = current_track->next)
 240         {
 241                 if(current_track->data_type == data_type)
 242                 {
 243 // Test the transitions
 244                         longest_duration1 = current_track->edit_change_duration(
 245                                 commonrender->current_position,
 246                                 length,
 247                                 direction == PLAY_REVERSE,
 248                                 1,
 249                                 1);
 250
 251
 252 // Test the edits
 253                         longest_duration2 = current_track->edit_change_duration(
 254                                 commonrender->current_position,
 255                                 length,
 256                                 direction,
 257                                 0,
 258                                 1);
 259
 260
 261 // Test the plugins
 262                         longest_duration3 = current_track->plugin_change_duration(
 263                                 commonrender->current_position,
 264                                 length,
 265                                 direction == PLAY_REVERSE,
 266                                 1);
 267
 268                         if(longest_duration1 < length)
 269                         {
 270                                 length = longest_duration1;
 271                         }
 272                         if(longest_duration2 < length)
 273                         {
 274                                 length = longest_duration2;
 275                         }
 276                         if(longest_duration3 < length)
 277                         {
 278                                 length = longest_duration3;
 279                         }
 280
 281                 }
 282         }
 283
 284         return result;
 285 }
 286
 287
 288
 289
 290
 291 void VirtualConsole::delete_virtual_console()
 292 {
 293 // delete the virtual node tree
 294         for(int i = 0; i < total_exit_nodes; i++)
 295         {
 296                 delete entry_nodes[i];
 297         }
 298 // Seems to get allocated even if new[0].
 299         if(entry_nodes) delete [] entry_nodes;
 300         entry_nodes = 0;
 301         exit_nodes.remove_all();
 302 }
 303
 304