cinelerra-5.1/cinelerra/vmodule.C

   1
   2 /*
   3  * CINELERRA
   4  * Copyright (C) 2009-2013 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 "asset.h"
  23 #include "bchash.h"
  24 #include "bcpbuffer.h"
  25 #include "bcsignals.h"
  26 #include "cache.h"
  27 #include "clip.h"
  28 #include "commonrender.h"
  29 #include "edits.h"
  30 #include "edl.h"
  31 #include "edlsession.h"
  32 #include "file.h"
  33 #include "filexml.h"
  34 #include "floatautos.h"
  35 #include "maskauto.h"
  36 #include "maskautos.h"
  37 #include "mwindow.h"
  38 #include "overlayframe.h"
  39 #include "patch.h"
  40 #include "pluginarray.h"
  41 #include "preferences.h"
  42 #include "renderengine.h"
  43 #include "sharedlocation.h"
  44 #include "tracks.h"
  45 #include "transition.h"
  46 #include "transportque.h"
  47 #include "units.h"
  48 #include "vattachmentpoint.h"
  49 #include "vdevicex11.h"
  50 #include "vedit.h"
  51 #include "vframe.h"
  52 #include "videodevice.h"
  53 #include "virtualvconsole.h"
  54 #include "vmodule.h"
  55 #include "vrender.h"
  56 #include "vplugin.h"
  57 #include "vtrack.h"
  58 #include <string.h>
  59 #include "maskengine.h"
  60 #include "automation.h"
  61
  62 VModule::VModule(RenderEngine *renderengine,
  63         CommonRender *commonrender,
  64         PluginArray *plugin_array,
  65         Track *track)
  66  : Module(renderengine, commonrender, plugin_array, track)
  67 {
  68         data_type = TRACK_VIDEO;
  69         overlay_temp = 0;
  70         input_temp = 0;
  71         transition_temp = 0;
  72         masker = 0;
  73 }
  74
  75 VModule::~VModule()
  76 {
  77         if( overlay_temp ) delete overlay_temp;
  78         if( input_temp ) delete input_temp;
  79         if( transition_temp ) delete transition_temp;
  80         delete masker;
  81 }
  82
  83
  84 AttachmentPoint* VModule::new_attachment(Plugin *plugin)
  85 {
  86         return new VAttachmentPoint(renderengine, plugin);
  87 }
  88
  89 int VModule::get_buffer_size()
  90 {
  91         return 1;
  92 }
  93
  94 CICache* VModule::get_cache()
  95 {
  96         if( renderengine )
  97                 return renderengine->get_vcache();
  98         else
  99                 return cache;
 100 }
 101
 102
 103 int VModule::import_frame(VFrame *output, VEdit *current_edit,
 104         int64_t input_position, double frame_rate, int direction, int use_opengl)
 105 {
 106         int64_t direction_position;
 107 // Translation of edit
 108         float in_x, in_y, in_w, in_h;
 109         float out_x, out_y, out_w, out_h;
 110         int result = 0;
 111         const int debug = 0;
 112         double edl_rate = get_edl()->session->frame_rate;
 113
 114         int64_t input_position_project = Units::to_int64(input_position *
 115                 edl_rate / frame_rate + 0.001);
 116
 117         if( !output ) printf("VModule::import_frame %d output=%p\n", __LINE__, output);
 118         //output->dump_params();
 119
 120         if( debug ) printf("VModule::import_frame %d this=%p input_position=%lld direction=%d\n",
 121                 __LINE__, this, (long long)input_position, direction);
 122
 123 // Convert to position corrected for direction
 124         direction_position = input_position;
 125         if( direction == PLAY_REVERSE ) {
 126                 if( direction_position > 0 ) direction_position--;
 127                 if( input_position_project > 0 ) input_position_project--;
 128         }
 129         if( !output ) printf("VModule::import_frame %d output=%p\n", __LINE__, output);
 130
 131         VDeviceX11 *x11_device = 0;
 132         if( use_opengl ) {
 133                 if( renderengine && renderengine->video ) {
 134                         x11_device = (VDeviceX11*)renderengine->video->get_output_base();
 135                         output->set_opengl_state(VFrame::RAM);
 136                         if( !x11_device ) use_opengl = 0;
 137                 }
 138         }
 139
 140         if( !output ) printf("VModule::import_frame %d output=%p x11_device=%p nested_edl=%p\n",
 141                 __LINE__, output, x11_device, nested_edl);
 142
 143         if( debug ) printf("VModule::import_frame %d current_edit=%p\n",
 144                 __LINE__, current_edit);
 145
 146 // Load frame into output
 147
 148 // Create objects for nested EDL
 149         if( current_edit && current_edit->nested_edl ) {
 150                 int command;
 151                 if( debug ) printf("VModule::import_frame %d nested_edl=%p current_edit->nested_edl=%p\n",
 152                         __LINE__, nested_edl, current_edit->nested_edl);
 153
 154 // Convert requested direction to command
 155                 if( renderengine->command->command == CURRENT_FRAME ||
 156                     renderengine->command->command == LAST_FRAME ) {
 157                         command = renderengine->command->command;
 158                 }
 159                 else
 160                 if( direction == PLAY_REVERSE ) {
 161                         if( renderengine->command->single_frame() )
 162                                 command = SINGLE_FRAME_REWIND;
 163                         else
 164                                 command = NORMAL_REWIND;
 165                 }
 166                 else {
 167                         if( renderengine->command->single_frame() )
 168                                 command = SINGLE_FRAME_FWD;
 169                         else
 170                                 command = NORMAL_FWD;
 171                 }
 172
 173                 if( !nested_edl || nested_edl->id != current_edit->nested_edl->id ) {
 174                         nested_edl = current_edit->nested_edl;
 175                         if( nested_renderengine ) {
 176                                 delete nested_renderengine;
 177                                 nested_renderengine = 0;
 178                         }
 179
 180                         if( !nested_command ) {
 181                                 nested_command = new TransportCommand;
 182                         }
 183
 184
 185                         if( !nested_renderengine ) {
 186                                 nested_command->command = command;
 187                                 nested_command->get_edl()->copy_all(nested_edl);
 188                                 nested_command->change_type = CHANGE_ALL;
 189                                 nested_command->realtime = renderengine->command->realtime;
 190                                 nested_renderengine = new RenderEngine(0, get_preferences(), 0, 1);
 191                                 nested_renderengine->set_vcache(get_cache());
 192                                 nested_renderengine->arm_command(nested_command);
 193                         }
 194                 }
 195                 else {
 196
 197 // Update nested command
 198                         nested_renderengine->command->command = command;
 199                         nested_command->realtime = renderengine->command->realtime;
 200                 }
 201
 202 // Update nested video driver for opengl
 203                 nested_renderengine->video = renderengine->video;
 204         }
 205         else {
 206                 nested_edl = 0;
 207         }
 208         if( debug ) printf("VModule::import_frame %d\n", __LINE__);
 209
 210         if( output ) {
 211                 if( use_opengl )
 212                         x11_device->clear_input(output);
 213                 else
 214                         output->clear_frame();
 215         }
 216         else
 217                 printf("VModule::import_frame %d output=%p\n", __LINE__, output);
 218
 219         if( current_edit &&
 220                 (current_edit->asset ||
 221                 (current_edit->nested_edl && nested_renderengine->vrender)) ) {
 222                 File *file = 0;
 223
 224 //printf("VModule::import_frame %d cache=%p\n", __LINE__, get_cache());
 225                 if( current_edit->asset ) {
 226                         get_cache()->age();
 227                         file = get_cache()->check_out(current_edit->asset,
 228                                 get_edl());
 229 //                      get_cache()->dump();
 230                 }
 231
 232 // File found
 233                 if( file || nested_edl ) {
 234 // Make all positions based on requested frame rate.
 235                         int64_t edit_startproject = Units::to_int64(current_edit->startproject *
 236                                 frame_rate /
 237                                 edl_rate);
 238                         int64_t edit_startsource = Units::to_int64(current_edit->startsource *
 239                                 frame_rate /
 240                                 edl_rate);
 241 // Source position going forward
 242                         uint64_t position = direction_position -
 243                                 edit_startproject +
 244                                 edit_startsource;
 245                         int64_t nested_position = 0;
 246
 247
 248
 249
 250
 251 // apply speed curve to source position so the timeline agrees with the playback
 252                         if( track->has_speed() ) {
 253 // integrate position from start of edit.
 254                                 double speed_position = edit_startsource;
 255                                 FloatAutos *speed_autos = (FloatAutos*)track->automation->autos[AUTOMATION_SPEED];
 256                                 speed_position += speed_autos->automation_integral(edit_startproject,
 257                                                 direction_position-edit_startproject, PLAY_FORWARD);
 258 //printf("VModule::import_frame %d %lld %lld\n", __LINE__, position, (int64_t)speed_position);
 259                                 position = (int64_t)speed_position;
 260                         }
 261
 262
 263
 264
 265
 266                         int asset_w;
 267                         int asset_h;
 268                         if( debug ) printf("VModule::import_frame %d\n", __LINE__);
 269
 270
 271 // maybe apply speed curve here, so timeline reflects actual playback
 272
 273
 274
 275 // if we hit the end of stream, freeze at last frame
 276                         uint64_t max_position = 0;
 277                         if( file ) {
 278                                 max_position = Units::to_int64((double)file->get_video_length() *
 279                                         frame_rate /
 280                                         current_edit->asset->frame_rate - 1);
 281                         }
 282                         else {
 283                                 max_position = Units::to_int64(nested_edl->tracks->total_length() *
 284                                         frame_rate - 1);
 285                         }
 286
 287
 288                         if( position > max_position ) position = max_position;
 289                         else
 290                         if( position < 0 ) position = 0;
 291
 292                         int use_cache = renderengine &&
 293                                 renderengine->command->single_frame();
 294 //                      int use_asynchronous = !use_cache &&
 295 //                              renderengine &&
 296 // Try to make rendering go faster.
 297 // But converts some formats to YUV420, which may degrade input format.
 298 ////                            renderengine->command->realtime &&
 299 //                              renderengine->get_edl()->session->video_asynchronous;
 300
 301                         if( file ) {
 302                                 if( debug ) printf("VModule::import_frame %d\n", __LINE__);
 303 //                              if( use_asynchronous )
 304 //                                      file->start_video_decode_thread();
 305 //                              else
 306                                         file->stop_video_thread();
 307
 308                                 int64_t normalized_position = Units::to_int64(position *
 309                                         current_edit->asset->frame_rate /
 310                                         frame_rate);
 311 // printf("VModule::import_frame %d %lld %lld\n",
 312 // __LINE__,
 313 // position,
 314 // normalized_position);
 315                                 file->set_layer(current_edit->channel);
 316                                 file->set_video_position(normalized_position,
 317                                         0);
 318                                 asset_w = current_edit->asset->width;
 319                                 asset_h = current_edit->asset->height;
 320 //printf("VModule::import_frame %d normalized_position=%lld\n", __LINE__, normalized_position);
 321                         }
 322                         else {
 323                                 if( debug ) printf("VModule::import_frame %d\n", __LINE__);
 324                                 asset_w = nested_edl->session->output_w;
 325                                 asset_h = nested_edl->session->output_h;
 326 // Get source position in nested frame rate in direction of playback.
 327                                 nested_position = Units::to_int64(position *
 328                                         nested_edl->session->frame_rate /
 329                                         frame_rate);
 330                                 if( direction == PLAY_REVERSE )
 331                                         nested_position++;
 332                         }
 333
 334
 335 // Auto scale if required
 336                         if( output->get_params()->get("AUTOSCALE", 0) ) {
 337                                 float autoscale_w = output->get_params()->get("AUTOSCALE_W", 1024);
 338                                 float autoscale_h = output->get_params()->get("AUTOSCALE_H", 1024);
 339                                 float x_scale = autoscale_w / asset_w;
 340                                 float y_scale = autoscale_h / asset_h;
 341
 342 // Overriding camera
 343                                 in_x = 0;
 344                                 in_y = 0;
 345                                 in_w = asset_w;
 346                                 in_h = asset_h;
 347
 348                                 if( x_scale < y_scale ) {
 349                                         out_w = in_w * x_scale;
 350                                         out_h = in_h * x_scale;
 351                                 }
 352                                 else {
 353                                         out_w = in_w * y_scale;
 354                                         out_h = in_h * y_scale;
 355                                 }
 356
 357                                 out_x = track->track_w / 2 - out_w / 2;
 358                                 out_y = track->track_h / 2 - out_h / 2;
 359                         }
 360                         else {
 361 // Apply camera
 362                                 ((VTrack*)track)->calculate_input_transfer(asset_w,
 363                                         asset_h, input_position_project, direction,
 364                                         in_x, in_y, in_w, in_h,
 365                                         out_x, out_y, out_w, out_h);
 366                         }
 367
 368 // printf("VModule::import_frame %d %f %d %f %d\n",
 369 // __LINE__, in_w, asset_w, in_h, asset_h);
 370
 371 // file -> temp -> output
 372                         if( !EQUIV(in_x, 0) ||
 373                                 !EQUIV(in_y, 0) ||
 374                                 !EQUIV(in_w, track->track_w) ||
 375                                 !EQUIV(in_h, track->track_h) ||
 376                                 !EQUIV(out_x, 0) ||
 377                                 !EQUIV(out_y, 0) ||
 378                                 !EQUIV(out_w, track->track_w) ||
 379                                 !EQUIV(out_h, track->track_h) ||
 380                                 !EQUIV(in_w, asset_w) ||
 381                                 !EQUIV(in_h, asset_h)) {
 382 //printf("VModule::import_frame %d file -> temp -> output\n", __LINE__);
 383 // Get temporary input buffer
 384                                 VFrame **input = 0;
 385 // Realtime playback
 386                                 if( commonrender ) {
 387                                         VRender *vrender = (VRender*)commonrender;
 388 //printf("VModule::import_frame %d vrender->input_temp=%p\n", __LINE__, vrender->input_temp);
 389                                         input = &vrender->input_temp;
 390                                 }
 391                                 else {
 392 // Menu effect
 393                                         input = &input_temp;
 394                                 }
 395
 396
 397                                 if( (*input) &&
 398                                    ((*input)->get_w() != asset_w ||
 399                                    (*input)->get_h() != asset_h) ) {
 400                                         delete (*input);
 401                                         (*input) = 0;
 402                                 }
 403
 404                                 if( !(*input) ) {
 405                                         (*input) =
 406                                                 new VFrame(asset_w, asset_h,
 407                                                         get_edl()->session->color_model);
 408                                 }
 409                                 (*input)->copy_stacks(output);
 410
 411 // file -> temp
 412 // Cache for single frame only
 413                                 if( file ) {
 414                                         if( debug ) printf("VModule::import_frame %d this=%p file=%s\n",
 415                                                 __LINE__,
 416                                                 this,
 417                                                 current_edit->asset->path);
 418                                         if( use_cache ) file->set_cache_frames(1);
 419                                         result = file->read_frame((*input));
 420                                         if( use_cache ) file->set_cache_frames(0);
 421                                         (*input)->set_opengl_state(VFrame::RAM);
 422                                 }
 423                                 else
 424                                 if( nested_edl ) {
 425 // If the colormodels differ, change input to nested colormodel
 426                                         int nested_cmodel = nested_renderengine->get_edl()->session->color_model;
 427                                         int current_cmodel = output->get_color_model();
 428                                         int output_w = output->get_w();
 429                                         int output_h = output->get_h();
 430                                         VFrame *input2 = (*input);
 431
 432                                         if( nested_cmodel != current_cmodel ) {
 433 // If opengl, input -> input -> output
 434                                                 if( use_opengl ) { }
 435                                                 else {
 436 // If software, input2 -> input -> output
 437 // Use output as a temporary.
 438                                                         input2 = output;
 439                                                 }
 440
 441                                                 if( debug ) printf("VModule::import_frame %d this=%p nested_cmodel=%d\n",
 442                                                         __LINE__,
 443                                                         this,
 444                                                         nested_cmodel);
 445                                                 input2->dump();
 446                                                 input2->reallocate(0, -1, 0, 0, 0,
 447                                                         (*input)->get_w(), (*input)->get_h(),
 448                                                         nested_cmodel, -1);
 449                                                 input2->dump();
 450                                         }
 451
 452
 453                                         if( debug ) printf("VModule::import_frame %d this=%p nested_edl=%s input2=%p\n",
 454                                                 __LINE__, this, nested_edl->path, input2);
 455
 456                                         result = nested_renderengine->vrender->process_buffer(
 457                                                 input2, nested_position, use_opengl);
 458
 459                                         if( debug ) printf("VModule::import_frame %d this=%p nested_edl=%s\n",
 460                                                 __LINE__,
 461                                                 this,
 462                                                 nested_edl->path);
 463
 464                                         if( nested_cmodel != current_cmodel ) {
 465                                                 if( debug ) printf("VModule::import_frame %d\n", __LINE__);
 466                                                 if( use_opengl ) {
 467 // Change colormodel in hardware.
 468                                                         if( debug ) printf("VModule::import_frame %d\n", __LINE__);
 469                                                         x11_device->convert_cmodel(input2,
 470                                                                 current_cmodel);
 471
 472 // The converted color model is now in hardware, so return the input2 buffer
 473 // to the expected color model.
 474                                                         input2->reallocate(0, -1, 0, 0, 0,
 475                                                                 (*input)->get_w(), (*input)->get_h(),
 476                                                                 current_cmodel, -1);
 477                                                 }
 478                                                 else {
 479 // Transfer from input2 to input
 480 if( debug ) printf("VModule::import_frame %d nested_cmodel=%d current_cmodel=%d input2=%p input=%p output=%p\n",
 481   __LINE__, nested_cmodel, current_cmodel, input2, (*input), output);
 482                                                         BC_CModels::transfer((*input)->get_rows(), input2->get_rows(),
 483                                                                 0, 0, 0, 0, 0, 0,
 484                                                                 0, 0, input2->get_w(), input2->get_h(),
 485                                                                 0, 0, (*input)->get_w(), (*input)->get_h(),
 486                                                                 nested_cmodel, current_cmodel, 0,
 487                                                                 input2->get_w(), (*input)->get_w());
 488 //printf("VModule::import_frame %d\n", __LINE__);
 489
 490 // input2 was the output buffer, so it must be restored
 491                                                 input2->reallocate(0, -1, 0, 0, 0,
 492                                                         output_w, output_h, current_cmodel, -1);
 493 //printf("VModule::import_frame %d\n", __LINE__);
 494                                                 }
 495                                         }
 496
 497                                 }
 498
 499 // Find an overlayer object to perform the camera transformation
 500                                 OverlayFrame *overlayer = 0;
 501
 502 // OpenGL playback uses hardware
 503                                 if( use_opengl ) {
 504 //printf("VModule::import_frame %d\n", __LINE__);
 505                                 }
 506                                 else if( commonrender ) {
 507 // Realtime playback
 508                                         VRender *vrender = (VRender*)commonrender;
 509                                         overlayer = vrender->overlayer;
 510                                 }
 511                                 else {
 512 // Menu effect
 513                                         if( !plugin_array )
 514                                                 printf("VModule::import_frame neither plugin_array nor commonrender is defined.\n");
 515                                         if( !overlay_temp ) {
 516                                                 overlay_temp = new OverlayFrame(plugin_array->mwindow->preferences->processors);
 517                                         }
 518
 519                                         overlayer = overlay_temp;
 520                                 }
 521 // printf("VModule::import_frame 1 %.2f %.2f %.2f %.2f %.2f %.2f %.2f %.2f\n",
 522 //   in_x, in_y, in_w, in_h, out_x, out_y, out_w, out_h);
 523
 524 // temp -> output
 525 // for( int j = 0; j < output->get_w() * 3 * 5; j++ )
 526 //      output->get_rows()[0][j] = 255;
 527
 528                                 if( use_opengl ) {
 529                                         x11_device->do_camera(output, (*input),
 530                                                 in_x, in_y, in_x + in_w, in_y + in_h,
 531                                                 out_x, out_y, out_x + out_w, out_y + out_h);
 532 if( debug ) printf("VModule::import_frame %d %d %d\n",
 533  __LINE__, output->get_opengl_state(), (*input)->get_opengl_state());
 534                                 }
 535                                 else {
 536                                         output->clear_frame();
 537 // get_cache()->check_in(current_edit->asset);
 538 // return;
 539
 540 // TRANSFER_REPLACE is the fastest transfer mode but it has the disadvantage
 541 // of producing green borders in floating point translation of YUV
 542                                         int mode = TRANSFER_REPLACE;
 543                                         if( get_edl()->session->interpolation_type != NEAREST_NEIGHBOR &&
 544                                                 BC_CModels::is_yuv(output->get_color_model()) )
 545                                                 mode = TRANSFER_NORMAL;
 546
 547                                         if( debug ) printf("VModule::import_frame %d temp -> output\n", __LINE__);
 548                                         overlayer->overlay(output, (*input),
 549                                                 in_x, in_y, in_x + in_w, in_y + in_h,
 550                                                 out_x, out_y, out_x + out_w, out_y + out_h,
 551                                                 1, mode, get_edl()->session->interpolation_type);
 552                                 }
 553                                 result = 1;
 554
 555                                 output->copy_stacks((*input));
 556
 557
 558 //printf("VModule::import_frame %d\n", __LINE__);
 559 //(*input)->dump_params();
 560 //output->dump_params();
 561                         }
 562                         else {
 563 // file -> output
 564                                 if( debug ) printf("VModule::import_frame %d file -> output nested_edl=%p file=%p\n",
 565                                         __LINE__, nested_edl, file);
 566                                 if( nested_edl ) {
 567                                         VFrame **input = &output;
 568 // If colormodels differ, reallocate output in nested colormodel.
 569                                         int nested_cmodel = nested_renderengine->get_edl()->session->color_model;
 570                                         int current_cmodel = output->get_color_model();
 571
 572 if( debug ) printf("VModule::import_frame %d nested_cmodel=%d current_cmodel=%d\n",
 573 __LINE__,
 574 nested_cmodel,
 575 current_cmodel);
 576
 577                                         if( nested_cmodel != current_cmodel ) {
 578                                                 if( use_opengl ) { }
 579                                                 else {
 580                                                         if( commonrender ) {
 581                                                                 input = &((VRender*)commonrender)->input_temp;
 582                                                         }
 583                                                         else {
 584                                                                 input = &input_temp;
 585                                                         }
 586
 587                                                         if( !(*input) ) (*input) = new VFrame;
 588                                                 }
 589
 590                                                 (*input)->reallocate(0, -1, 0, 0, 0,
 591                                                         output->get_w(), output->get_h(),
 592                                                         nested_cmodel, -1);
 593 if( debug ) printf("VModule::import_frame %d\n", __LINE__);
 594 //(*input)->dump();
 595 //(*input)->clear_frame();
 596                                         }
 597
 598 if( debug ) printf("VModule::import_frame %d %p %p\n",
 599  __LINE__, (*input)->get_rows(), (*input));
 600                                         result = nested_renderengine->vrender->process_buffer(
 601                                                 (*input), nested_position, use_opengl);
 602 if( debug ) printf("VModule::import_frame %d\n",
 603 __LINE__);
 604
 605 // If colormodels differ, change colormodels in opengl if possible.
 606 // Swap output for temp if not possible.
 607                                         if( nested_cmodel != current_cmodel ) {
 608                                                 if( use_opengl ) {
 609                                                         x11_device->convert_cmodel(output,
 610                                                                 current_cmodel);
 611
 612 // The color model was changed in place, so return output buffer
 613                                                         output->reallocate(0, -1, 0, 0, 0,
 614                                                                 output->get_w(), output->get_h(),
 615                                                                 current_cmodel, -1);
 616                                                 }
 617                                                 else {
 618 // Transfer from temporary to output
 619 if( debug ) printf("VModule::import_frame %d %d %d %d %d %d %d\n",
 620   __LINE__, (*input)->get_w(), (*input)->get_h(),
 621   output->get_w(), output->get_h(), nested_cmodel, current_cmodel);
 622                                                         BC_CModels::transfer(output->get_rows(), (*input)->get_rows(),
 623                                                                 0, 0, 0, 0, 0, 0,
 624                                                                 0, 0, (*input)->get_w(), (*input)->get_h(),
 625                                                                 0, 0, output->get_w(), output->get_h(),
 626                                                                 nested_cmodel, current_cmodel, 0,
 627                                                                 (*input)->get_w(), output->get_w());
 628                                                 }
 629
 630                                         }
 631                                 }
 632                                 else if( file ) {
 633 // Cache single frames
 634 //memset(output->get_rows()[0], 0xff, 1024);
 635                                         if( use_cache ) file->set_cache_frames(1);
 636                                         result = file->read_frame(output);
 637                                         if( use_cache ) file->set_cache_frames(0);
 638                                         output->set_opengl_state(VFrame::RAM);
 639                                 }
 640                         }
 641
 642                         if( file ) {
 643                                 get_cache()->check_in(current_edit->asset);
 644                                 file = 0;
 645                         }
 646                 }
 647                 else {
 648 // Source not found
 649                         result = 1;
 650                 }
 651
 652 //              printf("VModule::import_frame %d cache=%p\n",
 653 //                      __LINE__,
 654 //                      get_cache());
 655
 656         }
 657         else {
 658 // Source is silence
 659                 if( debug ) printf("VModule::import_frame %d\n", __LINE__);
 660                 if( use_opengl ) {
 661                         x11_device->clear_input(output);
 662                 }
 663                 else {
 664                         output->clear_frame();
 665                 }
 666         }
 667
 668         if( debug ) printf("VModule::import_frame %d done\n", __LINE__);
 669
 670         return result;
 671 }
 672
 673
 674 int VModule::render(VFrame *output,
 675         int64_t start_position, int direction, double frame_rate,
 676         int use_nudge, int debug_render, int use_opengl)
 677 {
 678         int result = 0;
 679         double edl_rate = get_edl()->session->frame_rate;
 680
 681 //printf("VModule::render %d %ld\n", __LINE__, start_position);
 682
 683         if( use_nudge ) start_position += Units::to_int64(track->nudge *
 684                 frame_rate / edl_rate);
 685
 686         int64_t start_position_project = Units::to_int64(start_position *
 687                 edl_rate / frame_rate + 0.5);
 688
 689         update_transition(start_position_project, direction);
 690
 691         VEdit* current_edit = (VEdit*)track->edits->editof(start_position_project,
 692                 direction, 0);
 693         VEdit* previous_edit = 0;
 694 //printf("VModule::render %d %p %ld %d\n", __LINE__, current_edit, start_position_project, direction);
 695
 696         if( debug_render )
 697                 printf("    VModule::render %d %d %jd %s transition=%p opengl=%d current_edit=%p output=%p\n",
 698                         __LINE__, use_nudge, start_position_project, track->title,
 699                         transition, use_opengl, current_edit, output);
 700
 701         if( !current_edit ) {
 702                 output->clear_frame();
 703                 // We do not apply mask here, since alpha is 0, and neither substracting nor multypling changes it
 704                 // Another mask mode - "addition" should be added to be able to create mask from empty frames
 705                 // in this case we would call masking here too...
 706                 return 0;
 707         }
 708
 709
 710
 711
 712 // Process transition
 713         if( transition && transition->on ) {
 714
 715 // Get temporary buffer
 716                 VFrame **transition_input = 0;
 717                 if( commonrender ) {
 718                         VRender *vrender = (VRender*)commonrender;
 719                         transition_input = &vrender->transition_temp;
 720                 }
 721                 else {
 722                         transition_input = &transition_temp;
 723                 }
 724
 725                 if( (*transition_input) &&
 726                         ((*transition_input)->get_w() != track->track_w ||
 727                         (*transition_input)->get_h() != track->track_h) ) {
 728                         delete (*transition_input);
 729                         (*transition_input) = 0;
 730                 }
 731
 732 // Load incoming frame
 733                 if( !(*transition_input) ) {
 734                         (*transition_input) =
 735                                 new VFrame(track->track_w, track->track_h,
 736                                         get_edl()->session->color_model);
 737                 }
 738
 739                 (*transition_input)->copy_stacks(output);
 740
 741 //printf("VModule::render %d\n", __LINE__);
 742                 result = import_frame((*transition_input),
 743                         current_edit, start_position, frame_rate,
 744                         direction, use_opengl);
 745
 746
 747 // Load transition buffer
 748                 previous_edit = (VEdit*)current_edit->previous;
 749
 750                 result |= import_frame(output,
 751                         previous_edit, start_position, frame_rate,
 752                         direction, use_opengl);
 753 //printf("VModule::render %d %p %p %p %p\n", __LINE__,
 754 // (*transition_input), (*transition_input)->get_pbuffer(),
 755 // output, output->get_pbuffer());
 756
 757 // Execute plugin with transition_input and output here
 758                 if( renderengine )
 759                         transition_server->set_use_opengl(use_opengl, renderengine->video);
 760                 transition_server->process_transition((*transition_input), output,
 761                         (direction == PLAY_FORWARD) ?
 762                                 (start_position_project - current_edit->startproject) :
 763                                 (start_position_project - current_edit->startproject - 1),
 764                         transition->length);
 765         }
 766         else {
 767 // Load output buffer
 768                 result = import_frame(output,
 769                         current_edit, start_position, frame_rate,
 770                         direction, use_opengl);
 771         }
 772
 773         Auto *current = 0;
 774         MaskAutos *keyframe_set =
 775                 (MaskAutos*)track->automation->autos[AUTOMATION_MASK];
 776         int64_t mask_position = !renderengine ? start_position :
 777                 renderengine->vrender->current_position;
 778         MaskAuto *keyframe =
 779                 (MaskAuto*)keyframe_set->get_prev_auto(mask_position, direction, current);
 780
 781         if( keyframe->apply_before_plugins && keyframe->has_active_mask() ) {
 782                 VDeviceX11 *x11_device = 0;
 783                 if( use_opengl && renderengine && renderengine->video ) {
 784                         x11_device = (VDeviceX11*)renderengine->video->get_output_base();
 785                         if( !x11_device->can_mask(mask_position, keyframe_set) ) {
 786                                 if( output->get_opengl_state() != VFrame::RAM ) {
 787                                         int w = output->get_w(), h = output->get_h();
 788                                         x11_device->do_camera(output, output,
 789                                                 0,0,w,h, 0,0,w,h); // copy to ram
 790                                 }
 791                                 use_opengl = 0;
 792                         }
 793                 }
 794                 if( use_opengl && x11_device ) {
 795                         x11_device->do_mask(output, mask_position, keyframe_set,
 796                                         keyframe, keyframe);
 797                 }
 798                 else {
 799                         if( !masker ) {
 800                                 int cpus = renderengine ?
 801                                         renderengine->preferences->processors :
 802                                         plugin_array->mwindow->preferences->processors;
 803                                 masker = new MaskEngine(cpus);
 804                         }
 805                         masker->do_mask(output, mask_position, keyframe_set, keyframe, keyframe);
 806                 }
 807         }
 808
 809         return result;
 810 }
 811
 812
 813 void VModule::create_objects()
 814 {
 815         Module::create_objects();
 816 }
 817