cinelerra/module.C

   1 #include "attachmentpoint.h"
   2 #include "bcsignals.h"
   3 #include "commonrender.h"
   4 #include "edl.h"
   5 #include "edlsession.h"
   6 #include "filexml.h"
   7 #include "module.h"
   8 #include "mwindow.h"
   9 #include "patch.h"
  10 #include "patchbay.h"
  11 #include "plugin.h"
  12 #include "pluginarray.h"
  13 #include "pluginserver.h"
  14 #include "renderengine.h"
  15 #include "sharedlocation.h"
  16 #include "track.h"
  17 #include "tracks.h"
  18 #include "transportque.h"
  19
  20
  21 Module::Module(RenderEngine *renderengine,
  22         CommonRender *commonrender,
  23         PluginArray *plugin_array,
  24         Track *track)
  25 {
  26         this->renderengine = renderengine;
  27         this->commonrender = commonrender;
  28         this->plugin_array = plugin_array;
  29         this->track = track;
  30         transition = 0;
  31         transition_server = 0;
  32         attachments = 0;
  33         total_attachments = 0;
  34         new_total_attachments = 0;
  35         new_attachments = 0;
  36 }
  37
  38 Module::~Module()
  39 {
  40         if(attachments)
  41         {
  42                 for(int i = 0; i < track->plugin_set.total; i++)
  43                 {
  44                         if(attachments[i])
  45                         {
  46 // For some reason it isn't used here.
  47 //                              attachments[i]->render_stop(0);
  48                                 delete attachments[i];
  49                         }
  50                 }
  51                 delete [] attachments;
  52         }
  53         if(transition_server)
  54         {
  55                 transition_server->close_plugin();
  56                 delete transition_server;
  57         }
  58 }
  59
  60 void Module::create_objects()
  61 {
  62         create_new_attachments();
  63         swap_attachments();
  64 }
  65
  66 EDL* Module::get_edl()
  67 {
  68         if(renderengine)
  69                 return renderengine->edl;
  70         else
  71                 return edl;
  72 }
  73
  74 void Module::create_new_attachments()
  75 {
  76 // Not used in pluginarray
  77         if(commonrender)
  78         {
  79                 new_total_attachments = track->plugin_set.total;
  80                 if(new_total_attachments)
  81                 {
  82                         new_attachments = new AttachmentPoint*[new_total_attachments];
  83                         for(int i = 0; i < new_total_attachments; i++)
  84                         {
  85                                 Plugin *plugin =
  86                                         track->get_current_plugin(commonrender->current_position,
  87                                                 i,
  88                                                 renderengine->command->get_direction(),
  89                                                 0,
  90                                                 1);
  91
  92                                 if(plugin && plugin->plugin_type != PLUGIN_NONE && plugin->on)
  93                                         new_attachments[i] = new_attachment(plugin);
  94                                 else
  95                                         new_attachments[i] = 0;
  96                         }
  97                 }
  98                 else
  99                         new_attachments = 0;
 100
 101 // Create plugin servers in virtual console expansion
 102         }
 103 }
 104
 105 void Module::swap_attachments()
 106 {
 107 // None of this is used in a pluginarray
 108         for(int i = 0;
 109                 i < new_total_attachments &&
 110                 i < total_attachments;
 111                 i++)
 112         {
 113 // Delete new attachment which is identical to the old one and copy
 114 // old attachment.
 115                 if(new_attachments[i] &&
 116                         attachments[i] &&
 117                         new_attachments[i]->identical(attachments[i]))
 118                 {
 119                         delete new_attachments[i];
 120                         new_attachments[i] = attachments[i];
 121                         attachments[i] = 0;
 122                 }
 123         }
 124
 125 // Delete old attachments which weren't identical to new ones
 126         for(int i = 0; i < total_attachments; i++)
 127         {
 128                 if(attachments[i]) delete attachments[i];
 129         }
 130
 131         if(attachments)
 132         {
 133                 delete [] attachments;
 134         }
 135
 136         attachments = new_attachments;
 137         total_attachments = new_total_attachments;
 138 }
 139
 140 int Module::render_init()
 141 {
 142         for(int i = 0; i < total_attachments; i++)
 143         {
 144                 if(attachments[i])
 145                         attachments[i]->render_init();
 146         }
 147
 148         return 0;
 149 }
 150
 151 void Module::render_stop()
 152 {
 153         for(int i = 0; i < total_attachments; i++)
 154         {
 155                 if(attachments[i])
 156                         attachments[i]->render_stop();
 157         }
 158 }
 159
 160 AttachmentPoint* Module::attachment_of(Plugin *plugin)
 161 {
 162 //printf("Module::attachment_of 1 %d\n", total_attachments);
 163         for(int i = 0; i < total_attachments; i++)
 164         {
 165 //printf("Module::attachment_of 2 %p\n", attachments[i]);
 166                 if(attachments[i] &&
 167                         attachments[i]->plugin == plugin) return attachments[i];
 168         }
 169         return 0;
 170 }
 171
 172 AttachmentPoint* Module::get_attachment(int number)
 173 {
 174         if(number < total_attachments)
 175                 return attachments[number];
 176         else
 177                 return 0;
 178 }
 179
 180 void Module::reset_attachments()
 181 {
 182 //printf("Module::reset_attachments 1 %d\n", total_attachments);
 183         for(int i = 0; i < total_attachments; i++)
 184         {
 185 //printf("Module::reset_attachments 2 %p\n", attachments[i]);
 186                 AttachmentPoint *attachment = attachments[i];
 187                 if(attachment) attachment->reset_status();
 188         }
 189 }
 190
 191 // Test plugins for reconfiguration.
 192 // Used in playback
 193 int Module::test_plugins()
 194 {
 195         if(total_attachments != track->plugin_set.total) return 1;
 196
 197         for(int i = 0; i < total_attachments; i++)
 198         {
 199                 AttachmentPoint *attachment = attachments[i];
 200                 Plugin *plugin = track->get_current_plugin(
 201                         commonrender->current_position,
 202                         i,
 203                         renderengine->command->get_direction(),
 204                         0,
 205                         1);
 206 // One exists and one doesn't
 207                 int use_plugin = plugin &&
 208                         plugin->plugin_type != PLUGIN_NONE &&
 209                         plugin->on;
 210
 211                 if((attachment && !use_plugin) ||
 212                         (!attachment && use_plugin)) return 1;
 213
 214 // Plugin not the same
 215                 if(plugin &&
 216                         attachment &&
 217                         attachment->plugin &&
 218                         !plugin->identical(attachment->plugin)) return 1;
 219         }
 220
 221         return 0;
 222 }
 223
 224 void Module::update_transition(int64_t current_position,
 225         int direction)
 226 {
 227         transition = track->get_current_transition(current_position,
 228                 direction,
 229                 0,
 230                 0); // position is already nudged in amodule.C and vmodule.C before calling update_transition!
 231
 232 // For situations where we had a transition but not anymore,
 233 // keep the server open.
 234 // Maybe the same transition will follow and we won't need to reinit.
 235 // (happens a lot while scrubbing over transitions left and right)
 236
 237
 238 // If the current transition differs from the previous transition, delete the
 239 // server.
 240         if ((transition &&
 241                 transition_server &&
 242                 strcmp(transition->title, transition_server->plugin->title)))
 243         {
 244                 transition_server->close_plugin();
 245                 delete transition_server;
 246                 transition_server = 0;
 247         }
 248
 249         if(transition && !transition_server)
 250         {
 251                 if(renderengine)
 252                 {
 253                         PluginServer *plugin_server = renderengine->scan_plugindb(transition->title,
 254                                 track->data_type);
 255                         transition_server = new PluginServer(*plugin_server);
 256                         transition_server->open_plugin(0,
 257                                 renderengine->preferences,
 258                                 get_edl(),
 259                                 transition,
 260                                 -1);
 261                         transition_server->init_realtime(
 262                                 get_edl()->session->real_time_playback &&
 263                                 renderengine->command->realtime,
 264                                 1,
 265                                 get_buffer_size());
 266                 }
 267                 else
 268                 if(plugin_array)
 269                 {
 270                         PluginServer *plugin_server = plugin_array->scan_plugindb(transition->title);
 271                         transition_server = new PluginServer(*plugin_server);
 272                         transition_server->open_plugin(0,
 273                                 plugin_array->mwindow->preferences,
 274                                 get_edl(),
 275                                 transition,
 276                                 -1);
 277                         transition_server->init_realtime(
 278                                 0,
 279                                 1,
 280                                 get_buffer_size());
 281                 }
 282         }
 283 }
 284
 285
 286 void Module::dump()
 287 {
 288         printf("  Module title=%s\n", track->title);
 289         printf("   Plugins total_attachments=%d\n", total_attachments);
 290         for(int i = 0; i < total_attachments; i++)
 291         {
 292                 attachments[i]->dump();
 293         }
 294 }
 295
 296
 297
 298
 299
 300