cinelerra/virtualnode.C

   1 #include "attachmentpoint.h"
   2 #include "auto.h"
   3 #include "automation.h"
   4 #include "autos.h"
   5 #include "floatauto.h"
   6 #include "floatautos.h"
   7 #include "intauto.h"
   8 #include "intautos.h"
   9 #include "mwindow.h"
  10 #include "module.h"
  11 #include "panauto.h"
  12 #include "panautos.h"
  13 #include "patchbay.h"
  14 #include "plugin.h"
  15 #include "pluginserver.h"
  16 #include "renderengine.h"
  17 #include "tracks.h"
  18 #include "transition.h"
  19 #include "transportque.h"
  20 #include "virtualconsole.h"
  21 #include "virtualnode.h"
  22
  23 VirtualNode::VirtualNode(RenderEngine *renderengine,
  24                 VirtualConsole *vconsole,
  25                 Module *real_module,
  26                 Plugin *real_plugin,
  27                 Track *track,
  28                 VirtualNode *parent_node)
  29 {
  30         this->renderengine = renderengine;
  31         this->vconsole = vconsole;
  32         this->real_module = real_module;
  33         this->real_plugin = real_plugin;
  34         this->track = track;
  35         this->parent_node = parent_node;
  36         render_count = 0;
  37         plugin_type = 0;
  38         waiting_real_plugin = 0;
  39         plugin_buffer_number = 0;
  40         plugin_autos = 0;
  41         plugin_auto_before = plugin_auto_after = 0;
  42         attachment = 0;
  43         is_exit = 0;
  44 //printf("VirtualNode::VirtualNode 1\n");
  45 }
  46
  47 VirtualNode::~VirtualNode()
  48 {
  49         subnodes.remove_all_objects();
  50 //printf("VirtualNode::VirtualNode 2\n");
  51 }
  52
  53 #define PRINT_INDENT for(int j = 0; j < indent; j++) printf(" ");
  54
  55 void VirtualNode::dump(int indent)
  56 {
  57         PRINT_INDENT
  58         printf("VirtualNode %p title=%s real_module=%p %s\n",
  59                 this,
  60                 track->title,
  61                 real_module,
  62                 is_exit ? "*" : " ");
  63         if(real_module)
  64         {
  65                 PRINT_INDENT
  66                 printf(" Plugins total=%d\n", subnodes.total);
  67                 for(int i = 0; i < subnodes.total; i++)
  68                 {
  69                         subnodes.values[i]->dump(indent + 2);
  70                 }
  71         }
  72         else
  73         if(real_plugin)
  74         {
  75                 printf("    Plugin %s\n", real_plugin->title);
  76         }
  77 }
  78
  79 int VirtualNode::expand(int persistent_plugins, int64_t current_position)
  80 {
  81 // module needs to know where the input data for the next process is
  82         if(real_module)
  83         {
  84                 expand_as_module(persistent_plugins, current_position);
  85         }
  86         else
  87         if(real_plugin)
  88         {
  89 // attach to a real plugin for a plugin
  90 // plugin always takes data from input to output
  91                 expand_as_plugin(persistent_plugins);
  92         }
  93
  94         return 0;
  95 }
  96
  97 int VirtualNode::expand_as_module(int duplicate, int64_t current_position)
  98 {
  99         Transition *transition = 0;
 100
 101 // create the plugins for this module
 102         for(int i = 0; i < track->plugin_set.total; i++)
 103         {
 104                 Plugin *plugin = track->get_current_plugin(current_position,
 105                         i,
 106                         renderengine->command->get_direction(),
 107                         0,
 108                         1);
 109
 110 // Switch off if circular reference.  This happens if a plugin set or a track is deleted.
 111                 if(plugin == real_plugin) continue;
 112
 113
 114                 if(plugin && plugin->on)
 115                 {
 116                         int plugin_type = plugin->plugin_type;
 117                         if(plugin_type == PLUGIN_SHAREDMODULE)
 118                         {
 119 // plugin is a module
 120                                 attach_virtual_module(plugin,
 121                                         i,
 122                                         duplicate,
 123                                         current_position);
 124                         }
 125                         else
 126                         if(plugin_type == PLUGIN_SHAREDPLUGIN ||
 127                                 plugin_type == PLUGIN_STANDALONE)
 128                         {
 129 // plugin is a plugin
 130                                 attach_virtual_plugin(plugin,
 131                                         i,
 132                                         duplicate,
 133                                         current_position);
 134                         }
 135                 }
 136         }
 137
 138
 139         if(!parent_node) vconsole->append_exit_node(this);
 140
 141         return 0;
 142 }
 143
 144 int VirtualNode::expand_as_plugin(int duplicate)
 145 {
 146         plugin_type = real_plugin->plugin_type;
 147
 148         if(plugin_type == PLUGIN_SHAREDPLUGIN)
 149         {
 150 // Attached to a shared plugin.
 151 // Get the real real plugin it's attached to.
 152
 153 // Redirect the real_plugin to the shared plugin.
 154                 int real_module_number = real_plugin->shared_location.module;
 155                 int real_plugin_number = real_plugin->shared_location.plugin;
 156                 Module *real_module = vconsole->module_number(real_module_number);
 157                 real_plugin = 0;
 158 // module references are absolute so may get the wrong data type track.
 159                 if(real_module)
 160                 {
 161                         attachment = real_module->get_attachment(real_plugin_number);
 162 // Attachment is NULL if off
 163                         if(attachment)
 164                         {
 165                                 real_plugin = attachment->plugin;
 166
 167 // Real plugin not on then null it.
 168                                 if(!real_plugin || !real_plugin->on) real_plugin = 0;
 169                         }
 170                 }
 171         }
 172
 173
 174
 175
 176
 177
 178         if(plugin_type == PLUGIN_STANDALONE)
 179         {
 180 // Get plugin server
 181                 Module *module = vconsole->module_of(track);
 182
 183                 attachment = module->attachment_of(real_plugin);
 184         }
 185
 186
 187
 188
 189
 190 // Add to real plugin's list of virtual plugins for configuration updates
 191 // and plugin_server initializations.
 192 // Input and output are taken care of when the parent module creates this plugin.
 193 // Get number for passing to render.
 194 // real_plugin may become NULL after shared plugin test.
 195         if(real_plugin && attachment)
 196         {
 197                 if(attachment)
 198                         plugin_buffer_number = attachment->attach_virtual_plugin(this);
 199         }
 200
 201
 202
 203
 204         return 0;
 205 }
 206
 207 int VirtualNode::attach_virtual_module(Plugin *plugin,
 208         int plugin_number,
 209         int duplicate,
 210         int64_t current_position)
 211 {
 212         if(plugin->on)
 213         {
 214                 int real_module_number = plugin->shared_location.module;
 215                 Module *real_module = vconsole->module_number(real_module_number);
 216 // If a track is deleted real_module is not found
 217                 if(!real_module) return 1;
 218
 219                 Track *track = real_module->track;
 220
 221 // Switch off if circular reference.  This happens if a track is deleted.
 222                 if(this->real_module && track == this->real_module->track) return 1;
 223
 224
 225
 226
 227                 VirtualNode *virtual_module = create_module(plugin,
 228                         real_module,
 229                         track);
 230
 231                 subnodes.append(virtual_module);
 232                 virtual_module->expand(duplicate, current_position);
 233         }
 234
 235         return 0;
 236 }
 237
 238 int VirtualNode::attach_virtual_plugin(Plugin *plugin,
 239         int plugin_number,
 240         int duplicate,
 241         int64_t current_position)
 242 {
 243 // Get real plugin and test if it is on.
 244         int is_on = 1;
 245         if(plugin->plugin_type == PLUGIN_SHAREDPLUGIN)
 246         {
 247                 int real_module_number = plugin->shared_location.module;
 248                 int real_plugin_number = plugin->shared_location.plugin;
 249                 Module *real_module = vconsole->module_number(real_module_number);
 250                 if(real_module)
 251                 {
 252                         AttachmentPoint *attachment = real_module->get_attachment(real_plugin_number);
 253                         if(attachment)
 254                         {
 255                                 Plugin *real_plugin = attachment->plugin;
 256                                 if(!real_plugin || !real_plugin->on)
 257                                         is_on = 0;
 258                         }
 259                         else
 260                                 is_on = 0;
 261                 }
 262                 else
 263                         is_on = 0;
 264         }
 265
 266         if(is_on)
 267         {
 268                 VirtualNode *virtual_plugin = create_plugin(plugin);
 269                 subnodes.append(virtual_plugin);
 270                 virtual_plugin->expand(duplicate, current_position);
 271         }
 272         return 0;
 273 }
 274
 275 VirtualNode* VirtualNode::get_previous_plugin(VirtualNode *current_node)
 276 {
 277         for(int i = 0; i < subnodes.total; i++)
 278         {
 279 // Assume plugin is on
 280                 if(subnodes.values[i] == current_node)
 281                 {
 282                         if(i > 0)
 283                                 return subnodes.values[i - 1];
 284                         else
 285                                 return 0;
 286                 }
 287         }
 288         return 0;
 289 }
 290
 291
 292
 293 void VirtualNode::get_mute_fragment(int64_t input_position,
 294                                 int &mute_constant,
 295                                 int &fragment_len,
 296                                 Autos *autos,
 297                                 int direction,
 298                                 int use_nudge)
 299 {
 300         if(use_nudge) input_position += track->nudge;
 301
 302         IntAuto *prev_keyframe = 0;
 303         IntAuto *next_keyframe = 0;
 304         prev_keyframe = (IntAuto*)autos->get_prev_auto(input_position,
 305                 direction,
 306                 (Auto* &)prev_keyframe);
 307         next_keyframe = (IntAuto*)autos->get_next_auto(input_position,
 308                 direction,
 309                 (Auto* &)next_keyframe);
 310
 311         if(direction == PLAY_FORWARD)
 312         {
 313 // Two distinct keyframes within range
 314                 if(next_keyframe->position > prev_keyframe->position)
 315                 {
 316                         mute_constant = prev_keyframe->value;
 317
 318                         if(next_keyframe->position < input_position + fragment_len)
 319                                 fragment_len = next_keyframe->position - input_position;
 320                 }
 321                 else
 322 // One keyframe within range
 323                 {
 324                         mute_constant = prev_keyframe->value;
 325                 }
 326         }
 327         else
 328         {
 329 // Two distinct keyframes within range
 330                 if(next_keyframe->position < prev_keyframe->position)
 331                 {
 332                         mute_constant = next_keyframe->value;
 333
 334                         if(next_keyframe->position > input_position - fragment_len)
 335                                 fragment_len = input_position - next_keyframe->position;
 336                 }
 337                 else
 338 // One keyframe within range
 339                 {
 340                         mute_constant = next_keyframe->value;
 341                 }
 342         }
 343 }
 344
 345
 346
 347
 348
 349
 350 /*
 351 //      Local Variables:
 352 //      mode: C++
 353 //      c-file-style: "linux"
 354 //      End:
 355 */