cinelerra/virtualvnode.C

   1 #include "asset.h"
   2 #include "automation.h"
   3 #include "bcsignals.h"
   4 #include "clip.h"
   5 #include "edits.h"
   6 #include "edl.h"
   7 #include "edlsession.h"
   8 #include "fadeengine.h"
   9 #include "floatauto.h"
  10 #include "floatautos.h"
  11 #include "intauto.h"
  12 #include "intautos.h"
  13 #include "maskengine.h"
  14 #include "mwindow.h"
  15 #include "module.h"
  16 #include "overlayframe.h"
  17 #include "playabletracks.h"
  18 #include "plugin.h"
  19 #include "preferences.h"
  20 #include "renderengine.h"
  21 #include "transition.h"
  22 #include "transportque.h"
  23 #include "vattachmentpoint.h"
  24 #include "vdevicex11.h"
  25 #include "vframe.h"
  26 #include "videodevice.h"
  27 #include "virtualvconsole.h"
  28 #include "virtualvnode.h"
  29 #include "vmodule.h"
  30 #include "vrender.h"
  31 #include "vtrack.h"
  32
  33 #include <string.h>
  34
  35
  36 VirtualVNode::VirtualVNode(RenderEngine *renderengine,
  37                 VirtualConsole *vconsole,
  38                 Module *real_module,
  39                 Plugin *real_plugin,
  40                 Track *track,
  41                 VirtualNode *parent_node)
  42  : VirtualNode(renderengine,
  43                 vconsole,
  44                 real_module,
  45                 real_plugin,
  46                 track,
  47                 parent_node)
  48 {
  49         VRender *vrender = ((VirtualVConsole*)vconsole)->vrender;
  50         fader = new FadeEngine(renderengine->preferences->processors);
  51 }
  52
  53 VirtualVNode::~VirtualVNode()
  54 {
  55         delete fader;
  56 }
  57
  58 VirtualNode* VirtualVNode::create_module(Plugin *real_plugin,
  59                                                         Module *real_module,
  60                                                         Track *track)
  61 {
  62         return new VirtualVNode(renderengine,
  63                 vconsole,
  64                 real_module,
  65                 0,
  66                 track,
  67                 this);
  68 }
  69
  70
  71 VirtualNode* VirtualVNode::create_plugin(Plugin *real_plugin)
  72 {
  73         return new VirtualVNode(renderengine,
  74                 vconsole,
  75                 0,
  76                 real_plugin,
  77                 track,
  78                 this);
  79 }
  80
  81 int VirtualVNode::read_data(VFrame *output_temp,
  82         int64_t start_position,
  83         double frame_rate,
  84         int use_opengl)
  85 {
  86         VirtualNode *previous_plugin = 0;
  87         int result = 0;
  88
  89         if(!output_temp)
  90                 printf("VirtualVNode::read_data output_temp=%p\n", output_temp);
  91
  92         if(vconsole->debug_tree)
  93                 printf("  VirtualVNode::read_data position=%lld rate=%f title=%s opengl=%d\n",
  94                         start_position,
  95                         frame_rate,
  96                         track->title,
  97                         use_opengl);
  98
  99 // If there is a parent module but the parent module has no data source,
 100 // use our own data source.
 101 // Current edit in parent track
 102         VEdit *parent_edit = 0;
 103         if(parent_node && parent_node->track && renderengine)
 104         {
 105                 double edl_rate = renderengine->edl->session->frame_rate;
 106                 int64_t start_position_project = (int64_t)(start_position *
 107                         edl_rate /
 108                         frame_rate +
 109                         0.5);
 110                 parent_edit = (VEdit*)parent_node->track->edits->editof(start_position_project,
 111                         renderengine->command->get_direction(),
 112                         0);
 113         }
 114
 115
 116 // This is a plugin on parent module with a preceeding effect.
 117 // Get data from preceeding effect on parent module.
 118         if(parent_node && (previous_plugin = parent_node->get_previous_plugin(this)))
 119         {
 120                 result = ((VirtualVNode*)previous_plugin)->render(output_temp,
 121                         start_position,
 122                         frame_rate,
 123                         use_opengl);
 124         }
 125         else
 126 // The current node is the first plugin on parent module.
 127 // The parent module has an edit to read from or the current node
 128 // has no source to read from.
 129 // Read data from parent module
 130         if(parent_node && (parent_edit || !real_module))
 131         {
 132                 result = ((VirtualVNode*)parent_node)->read_data(output_temp,
 133                         start_position,
 134                         frame_rate,
 135                         use_opengl);
 136         }
 137         else
 138         if(real_module)
 139         {
 140 // This is the first node in the tree
 141                 result = ((VModule*)real_module)->render(output_temp,
 142                         start_position,
 143                         renderengine->command->get_direction(),
 144                         frame_rate,
 145                         0,
 146                         vconsole->debug_tree,
 147                         use_opengl);
 148         }
 149
 150         return result;
 151 }
 152
 153
 154 int VirtualVNode::render(VFrame *output_temp,
 155         int64_t start_position,
 156         double frame_rate,
 157         int use_opengl)
 158 {
 159         VRender *vrender = ((VirtualVConsole*)vconsole)->vrender;
 160         if(real_module)
 161         {
 162                 render_as_module(vrender->video_out,
 163                         output_temp,
 164                         start_position,
 165                         frame_rate,
 166                         use_opengl);
 167         }
 168         else
 169         if(real_plugin)
 170         {
 171                 render_as_plugin(output_temp,
 172                         start_position,
 173                         frame_rate,
 174                         use_opengl);
 175         }
 176         return 0;
 177 }
 178
 179 void VirtualVNode::render_as_plugin(VFrame *output_temp,
 180         int64_t start_position,
 181         double frame_rate,
 182         int use_opengl)
 183 {
 184         if(!attachment ||
 185                 !real_plugin ||
 186                 !real_plugin->on) return;
 187
 188
 189         if(vconsole->debug_tree)
 190                 printf("  VirtualVNode::render_as_plugin title=%s use_opengl=%d\n",
 191                         track->title,
 192                         use_opengl);
 193
 194         ((VAttachmentPoint*)attachment)->render(
 195                 output_temp,
 196                 plugin_buffer_number,
 197                 start_position,
 198                 frame_rate,
 199                 vconsole->debug_tree,
 200                 use_opengl);
 201 }
 202
 203
 204 int VirtualVNode::render_as_module(VFrame *video_out,
 205         VFrame *output_temp,
 206         int64_t start_position,
 207         double frame_rate,
 208         int use_opengl)
 209 {
 210
 211         int direction = renderengine->command->get_direction();
 212         double edl_rate = renderengine->edl->session->frame_rate;
 213 // Get position relative to project, compensated for direction
 214         int64_t start_position_project = (int64_t)(start_position *
 215                 edl_rate /
 216                 frame_rate);
 217         if(direction == PLAY_REVERSE) start_position_project--;
 218
 219         if(vconsole->debug_tree)
 220                 printf("  VirtualVNode::render_as_module title=%s use_opengl=%d video_out=%p output_temp=%p\n",
 221                         track->title,
 222                         use_opengl,
 223                         video_out,
 224                         output_temp);
 225
 226         output_temp->push_next_effect("VirtualVNode::render_as_module");
 227
 228 // Process last subnode.  This propogates up the chain of subnodes and finishes
 229 // the chain.
 230         if(subnodes.total)
 231         {
 232                 VirtualVNode *node = (VirtualVNode*)subnodes.values[subnodes.total - 1];
 233                 node->render(output_temp,
 234                         start_position,
 235                         frame_rate,
 236                         use_opengl);
 237         }
 238         else
 239 // Read data from previous entity
 240         {
 241                 read_data(output_temp,
 242                         start_position,
 243                         frame_rate,
 244                         use_opengl);
 245         }
 246
 247         output_temp->pop_next_effect();
 248
 249         render_fade(output_temp,
 250                                 start_position,
 251                                 frame_rate,
 252                                 track->automation->autos[AUTOMATION_FADE],
 253                                 direction);
 254
 255 // Apply mask to output
 256         ((VModule *)real_module)->masker->do_mask(output_temp,
 257                 start_position,
 258                 frame_rate,
 259                 edl_rate,
 260                 (MaskAutos*)track->automation->autos[AUTOMATION_MASK],
 261                 direction,
 262                 0);      // we are not before plugins
 263
 264
 265 // overlay on the final output
 266 // Get mute status
 267         int mute_constant;
 268         int mute_fragment = 1;
 269         int64_t mute_position = 0;
 270
 271
 272 // Is frame muted?
 273         get_mute_fragment(start_position,
 274                         mute_constant,
 275                         mute_fragment,
 276                         (Autos*)((VTrack*)track)->automation->autos[AUTOMATION_MUTE],
 277                         direction,
 278                         0);
 279
 280         if(!mute_constant)
 281         {
 282 // Frame is playable
 283                 render_projector(output_temp,
 284                         video_out,
 285                         start_position,
 286                         frame_rate);
 287         }
 288
 289         output_temp->push_prev_effect("VirtualVNode::render_as_module");
 290 //printf("VirtualVNode::render_as_module\n");
 291 //output_temp->dump_stacks();
 292
 293         Edit *edit = 0;
 294         if(renderengine->show_tc)
 295                 renderengine->vrender->insert_timecode(edit,
 296                         start_position,
 297                         output_temp);
 298
 299         return 0;
 300 }
 301
 302 int VirtualVNode::render_fade(VFrame *output,
 303 // start of input fragment in project if forward / end of input fragment if reverse
 304 // relative to requested frame rate
 305                         int64_t start_position,
 306                         double frame_rate,
 307                         Autos *autos,
 308                         int direction)
 309 {
 310         double slope, intercept;
 311         int64_t slope_len = 1;
 312         FloatAuto *previous = 0;
 313         FloatAuto *next = 0;
 314         double edl_rate = renderengine->edl->session->frame_rate;
 315         int64_t start_position_project = (int64_t)(start_position *
 316                 edl_rate /
 317                 frame_rate);
 318
 319         if(vconsole->debug_tree)
 320                 printf("  VirtualVNode::render_fade title=%s\n", track->title);
 321
 322         intercept = ((FloatAutos*)autos)->get_value(start_position_project,
 323                 direction,
 324                 previous,
 325                 next);
 326
 327
 328         CLAMP(intercept, 0, 100);
 329
 330
 331 // Can't use overlay here because overlayer blends the frame with itself.
 332 // The fade engine can compensate for lack of alpha channels by multiplying the
 333 // color components by alpha.
 334         if(!EQUIV(intercept / 100, 1))
 335         {
 336                 if(((VirtualVConsole*)vconsole)->use_opengl)
 337                         ((VDeviceX11*)((VirtualVConsole*)vconsole)->get_vdriver())->do_fade(
 338                                 output,
 339                                 intercept / 100);
 340                 else
 341                         fader->do_fade(output, output, intercept / 100);
 342         }
 343
 344         return 0;
 345 }
 346
 347 // Start of input fragment in project if forward.  End of input fragment if reverse.
 348 int VirtualVNode::render_projector(VFrame *input,
 349                         VFrame *output,
 350                         int64_t start_position,
 351                         double frame_rate)
 352 {
 353         float in_x1, in_y1, in_x2, in_y2;
 354         float out_x1, out_y1, out_x2, out_y2;
 355         double edl_rate = renderengine->edl->session->frame_rate;
 356         int64_t start_position_project = (int64_t)(start_position *
 357                 edl_rate /
 358                 frame_rate);
 359         VRender *vrender = ((VirtualVConsole*)vconsole)->vrender;
 360         if(vconsole->debug_tree)
 361                 printf("  VirtualVNode::render_projector input=%p output=%p title=%s\n",
 362                         input, output, track->title);
 363
 364         if(output)
 365         {
 366                 ((VTrack*)track)->calculate_output_transfer(start_position_project,
 367                         renderengine->command->get_direction(),
 368                         in_x1,
 369                         in_y1,
 370                         in_x2,
 371                         in_y2,
 372                         out_x1,
 373                         out_y1,
 374                         out_x2,
 375                         out_y2);
 376
 377                 in_x2 += in_x1;
 378                 in_y2 += in_y1;
 379                 out_x2 += out_x1;
 380                 out_y2 += out_y1;
 381
 382 //for(int j = 0; j < input->get_w() * 3 * 5; j++)
 383 //      input->get_rows()[0][j] = 255;
 384 //
 385                 if(out_x2 > out_x1 &&
 386                         out_y2 > out_y1 &&
 387                         in_x2 > in_x1 &&
 388                         in_y2 > in_y1)
 389                 {
 390                         int direction = renderengine->command->get_direction();
 391                         IntAuto *mode_keyframe = 0;
 392                         mode_keyframe =
 393                                 (IntAuto*)track->automation->autos[AUTOMATION_MODE]->get_prev_auto(
 394                                         start_position_project,
 395                                         direction,
 396                                         (Auto* &)mode_keyframe);
 397
 398                         int mode = mode_keyframe->value;
 399
 400 // Fade is performed in render_fade so as to allow this module
 401 // to be chained in another module, thus only 4 component colormodels
 402 // can do dissolves, although a blend equation is still required for 3 component
 403 // colormodels since fractional translation requires blending.
 404
 405 // If this is the first playable video track and the mode_keyframe is "normal"
 406 // the mode may be overridden with "replace".  Replace is faster.
 407                         if(mode == TRANSFER_NORMAL &&
 408                                 vconsole->current_exit_node == vconsole->total_exit_nodes - 1)
 409                                 mode = TRANSFER_REPLACE;
 410
 411                         if(((VirtualVConsole*)vconsole)->use_opengl)
 412                         {
 413                                 ((VDeviceX11*)((VirtualVConsole*)vconsole)->get_vdriver())->overlay(
 414                                         output,
 415                                         input,
 416                                         in_x1,
 417                                         in_y1,
 418                                         in_x2,
 419                                         in_y2,
 420                                         out_x1,
 421                                         out_y1,
 422                                         out_x2,
 423                                         out_y2,
 424                                         1,
 425                                         mode,
 426                                         renderengine->edl);
 427                         }
 428                         else
 429                         {
 430                                 vrender->overlayer->overlay(output,
 431                                         input,
 432                                         in_x1,
 433                                         in_y1,
 434                                         in_x2,
 435                                         in_y2,
 436                                         out_x1,
 437                                         out_y1,
 438                                         out_x2,
 439                                         out_y2,
 440                                         1,
 441                                         mode,
 442                                         renderengine->edl->session->interpolation_type);
 443                         }
 444                 }
 445         }
 446         return 0;
 447 }
 448