cinelerra-5.1/cinelerra/vmodule.C

   1
   2 /*
   3  * CINELERRA
   4  * Copyright (C) 2009-2013 Adam Williams <broadcast at earthling dot net>
   5  * Copyright (C) 2003-2016 Cinelerra CV contributors
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; either version 2 of the License, or
  10  * (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License
  18  * along with this program; if not, write to the Free Software
  19  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  20  *
  21  */
  22
  23 #include "asset.h"
  24 #include "bchash.h"
  25 #include "bcpbuffer.h"
  26 #include "bcsignals.h"
  27 #include "cache.h"
  28 #include "clip.h"
  29 #include "commonrender.h"
  30 #include "edits.h"
  31 #include "edl.h"
  32 #include "edlsession.h"
  33 #include "file.h"
  34 #include "filexml.h"
  35 #include "floatautos.h"
  36 #include "mainerror.h"
  37 #include "maskauto.h"
  38 #include "maskautos.h"
  39 #include "mwindow.h"
  40 #include "overlayframe.h"
  41 #include "patch.h"
  42 #include "pluginarray.h"
  43 #include "preferences.h"
  44 #include "renderengine.h"
  45 #include "sharedlocation.h"
  46 #include "tracks.h"
  47 #include "transition.h"
  48 #include "transportque.h"
  49 #include "units.h"
  50 #include "vattachmentpoint.h"
  51 #include "vdevicex11.h"
  52 #include "vedit.h"
  53 #include "vframe.h"
  54 #include "videodevice.h"
  55 #include "virtualvconsole.h"
  56 #include "vmodule.h"
  57 #include "vrender.h"
  58 #include "vplugin.h"
  59 #include "vtrack.h"
  60 #include <string.h>
  61 #include "maskengine.h"
  62 #include "automation.h"
  63
  64 VModule::VModule(RenderEngine *renderengine,
  65         CommonRender *commonrender,
  66         PluginArray *plugin_array,
  67         Track *track)
  68  : Module(renderengine, commonrender, plugin_array, track)
  69 {
  70         data_type = TRACK_VIDEO;
  71         overlay_temp = 0;
  72         input_temp = 0;
  73         transition_temp = 0;
  74         masker = 0;
  75 }
  76
  77 VModule::~VModule()
  78 {
  79         if( overlay_temp ) delete overlay_temp;
  80         if( input_temp ) delete input_temp;
  81         if( transition_temp ) delete transition_temp;
  82         delete masker;
  83 }
  84
  85
  86 AttachmentPoint* VModule::new_attachment(Plugin *plugin)
  87 {
  88         return new VAttachmentPoint(renderengine, plugin);
  89 }
  90
  91 int VModule::get_buffer_size()
  92 {
  93         return 1;
  94 }
  95
  96 CICache* VModule::get_cache()
  97 {
  98         if( renderengine )
  99                 return renderengine->get_vcache();
 100         else
 101                 return cache;
 102 }
 103
 104
 105 int VModule::import_frame(VFrame *output, VEdit *current_edit,
 106         int64_t input_position, double frame_rate, int direction, int use_opengl)
 107 {
 108         int64_t direction_position=0;
 109 // Translation of edit
 110         float in_x=0.0, in_y=0.0, in_w=0.0, in_h=0.0;
 111         float out_x=0.0, out_y=0.0, out_w=0.0, out_h=0.0;
 112         int result = 0;
 113         const int debug = 0;
 114         double edl_rate = get_edl()->session->frame_rate;
 115
 116         int64_t input_position_project = Units::to_int64(input_position *
 117                 edl_rate / frame_rate + 0.001);
 118
 119         if( !output ) printf("VModule::import_frame %d output=%p\n", __LINE__, output);
 120         //output->dump_params();
 121
 122         if( debug ) printf("VModule::import_frame %d this=%p input_position=%lld direction=%d\n",
 123                 __LINE__, this, (long long)input_position, direction);
 124
 125 // Convert to position corrected for direction
 126         direction_position = input_position;
 127         if( direction == PLAY_REVERSE ) {
 128                 if( direction_position > 0 ) direction_position--;
 129                 if( input_position_project > 0 ) input_position_project--;
 130         }
 131         if( !output ) printf("VModule::import_frame %d output=%p\n", __LINE__, output);
 132
 133         VDeviceX11 *x11_device = 0;
 134         if( use_opengl ) {
 135                 if( renderengine && renderengine->video ) {
 136                         x11_device = (VDeviceX11*)renderengine->video->get_output_base();
 137                         output->set_opengl_state(VFrame::RAM);
 138                         if( !x11_device ) use_opengl = 0;
 139                 }
 140         }
 141
 142         if( !output ) printf("VModule::import_frame %d output=%p x11_device=%p nested_edl=%p\n",
 143                 __LINE__, output, x11_device, nested_edl);
 144
 145         if( debug ) printf("VModule::import_frame %d current_edit=%p\n",
 146                 __LINE__, current_edit);
 147
 148 // Load frame into output
 149
 150 // Create objects for nested EDL
 151         if( current_edit && current_edit->nested_edl ) {
 152                 int command;
 153                 if( debug ) printf("VModule::import_frame %d nested_edl=%p current_edit->nested_edl=%p\n",
 154                         __LINE__, nested_edl, current_edit->nested_edl);
 155
 156 // Convert requested direction to command
 157                 if( renderengine->command->command == CURRENT_FRAME ||
 158                     renderengine->command->command == LAST_FRAME ) {
 159                         command = renderengine->command->command;
 160                 }
 161                 else
 162                 if( direction == PLAY_REVERSE ) {
 163                         if( renderengine->command->single_frame() )
 164                                 command = SINGLE_FRAME_REWIND;
 165                         else
 166                                 command = NORMAL_REWIND;
 167                 }
 168                 else {
 169                         if( renderengine->command->single_frame() )
 170                                 command = SINGLE_FRAME_FWD;
 171                         else
 172                                 command = NORMAL_FWD;
 173                 }
 174
 175                 if( !nested_edl || nested_edl->id != current_edit->nested_edl->id ) {
 176                         nested_edl = current_edit->nested_edl;
 177                         if( nested_renderengine ) {
 178                                 delete nested_renderengine;
 179                                 nested_renderengine = 0;
 180                         }
 181                         if( !nested_command )
 182                                 nested_command = new TransportCommand(get_preferences());
 183                         nested_command->command = command;
 184                         nested_command->get_edl()->copy_all(nested_edl);
 185                         nested_command->change_type = CHANGE_ALL;
 186                         nested_command->realtime = renderengine->command->realtime;
 187                         nested_renderengine = new RenderEngine(0, get_preferences(), 0, 1);
 188                         nested_renderengine->set_vcache(get_cache());
 189                         nested_renderengine->arm_command(nested_command);
 190                 }
 191                 else {
 192
 193 // Update nested command
 194                         nested_renderengine->command->command = command;
 195                         nested_command->realtime = renderengine->command->realtime;
 196                 }
 197
 198 // Update nested video driver for opengl
 199                 nested_renderengine->video = renderengine->video;
 200         }
 201         else {
 202                 nested_edl = 0;
 203         }
 204         if( debug ) printf("VModule::import_frame %d\n", __LINE__);
 205
 206         if( output ) {
 207                 if( use_opengl )
 208                         x11_device->clear_input(output);
 209                 else
 210                         output->clear_frame();
 211         }
 212         else
 213                 printf("VModule::import_frame %d output=%p\n", __LINE__, output);
 214
 215         if( current_edit &&
 216                 (current_edit->asset ||
 217                 (current_edit->nested_edl && nested_renderengine->vrender)) ) {
 218                 File *file = 0;
 219
 220 //printf("VModule::import_frame %d cache=%p\n", __LINE__, get_cache());
 221                 if( current_edit->asset ) {
 222                         get_cache()->age();
 223                         file = get_cache()->check_out(current_edit->asset, get_edl());
 224 //                      get_cache()->dump();
 225                 }
 226
 227 // File found
 228                 if( file || nested_edl ) {
 229                         int64_t nested_position = 0;
 230 // Source position going forward, in edl framerate
 231                         int64_t pos = Units::to_int64((double)direction_position / frame_rate * edl_rate);
 232                         int64_t len = pos - current_edit->startproject;
 233                         FloatAutos *speed_autos = !track->has_speed() ? 0 :
 234                                 (FloatAutos*)track->automation->autos[AUTOMATION_SPEED];
 235                         if( speed_autos && len > 0 )
 236                                 len = speed_autos->automation_integral(current_edit->startproject, len, PLAY_FORWARD);
 237                         pos = current_edit->startsource + len;
 238 // Make positions based on requested frame rate.
 239                         int64_t position = Units::to_int64((double)pos * frame_rate / edl_rate);
 240
 241                         int64_t video_length;
 242                         int asset_w, asset_h;
 243                         if( file ) {
 244                                 asset_w = current_edit->asset->width;
 245                                 asset_h = current_edit->asset->height;
 246                                 video_length = file->get_video_length();
 247                         }
 248                         else {
 249                                 asset_w = nested_edl->session->output_w;
 250                                 asset_h = nested_edl->session->output_h;
 251                                 video_length = nested_edl->tracks->total_length();
 252                         }
 253
 254                         VFrame *&input = commonrender ?
 255                                 ((VRender*)commonrender)->input_temp : // Realtime playback
 256                                 input_temp ; // Menu effect
 257                         VFrame::get_temp(input, asset_w, asset_h, get_edl()->session->color_model);
 258
 259                         int use_cache = renderengine->command->single_frame() ? 1 :
 260                                 renderengine->command->get_direction() == PLAY_REVERSE ? -1 : 0;
 261
 262 //                      int use_asynchronous = !use_cache &&
 263 //                              renderengine &&
 264 // Try to make rendering go faster.
 265 // But converts some formats to YUV420, which may degrade input format.
 266 ////                            renderengine->command->realtime &&
 267 //                              renderengine->get_edl()->session->video_asynchronous;
 268
 269                         if( file ) {
 270                                 if( debug ) printf("VModule::import_frame %d\n", __LINE__);
 271 //                              if( use_asynchronous )
 272 //                                      file->start_video_decode_thread();
 273 //                              else
 274                                         file->stop_video_thread();
 275
 276                                 VEdit *vnext = (VEdit *)current_edit->next;
 277                                 pos = Units::to_int64((double)input_position / frame_rate * edl_rate);
 278                                 if( renderengine->preferences->cache_transitions && !use_cache &&
 279 // cache transitions, not caching and inside transition
 280                                     vnext && vnext->transition && vnext->transition->on &&
 281                                     file->get_video_length() >= 0 && pos >= vnext->startproject &&
 282                                     pos < vnext->startproject + vnext->transition->length ) {
 283                                         file->set_cache_frames(0);
 284                                         file->set_layer(current_edit->channel);
 285                                         VEdit *vnext = (VEdit *)current_edit->next;
 286                                         Track *track = current_edit->track;
 287                                         FloatAutos *speed_autos = (FloatAutos*)(track->has_speed() ?
 288                                                 track->automation->autos[AUTOMATION_SPEED] : 0);
 289                                         int64_t end = vnext->startproject + vnext->transition->length;
 290                                         int first_frame = 1;
 291                                         int count = renderengine->preferences->cache_size /
 292                                                 input->get_data_size() / 2;  // try to burn only 1/2 of cache
 293                                         while( !result && pos < end && count > 0 ) {
 294                                                 int64_t curr_pos = pos - current_edit->startproject;
 295                                                 if( curr_pos > 0 && speed_autos )
 296                                                         curr_pos = speed_autos->automation_integral(
 297                                                                 current_edit->startproject, curr_pos, PLAY_FORWARD);
 298                                                 curr_pos += current_edit->startsource;
 299                                                 int64_t norm_pos = Units::to_int64((double)curr_pos *
 300                                                         current_edit->asset->frame_rate / edl_rate);
 301                                                 if( norm_pos < 0 || video_length < 0 )
 302                                                         norm_pos = 0;
 303                                                 else if( norm_pos >= video_length )
 304                                                         norm_pos = video_length-1;
 305                                                 if( first_frame ) {
 306                                                         if( file->get_cache_frame(input, norm_pos) )
 307                                                                 break;  // if inside a cache run
 308                                                         first_frame = 0;
 309                                                         file->purge_cache(); // start new run
 310                                                 }
 311                                                 file->set_cache_frames(1);
 312                                                 file->set_video_position(norm_pos, 0);
 313                                                 result = file->read_frame(input);
 314                                                 ++pos;  --count;
 315                                         }
 316                                         use_cache = 1;
 317                                 }
 318
 319                                 int64_t normalized_position = Units::to_int64((double)position *
 320                                         current_edit->asset->frame_rate / frame_rate);
 321                                 if( normalized_position < 0 || video_length < 0 )
 322                                         normalized_position = 0;
 323                                 else if( normalized_position >= video_length )
 324                                         normalized_position = video_length-1;
 325 //printf("VModule::import_frame %d %lld %lld\n", __LINE__, position, normalized_position);
 326                                 file->set_layer(current_edit->channel);
 327                                 file->set_video_position(normalized_position, 0);
 328                         }
 329                         else {
 330                                 if( debug ) printf("VModule::import_frame %d\n", __LINE__);
 331 // Get source position in nested frame rate in direction of playback.
 332                                 nested_position = Units::to_int64(position *
 333                                         nested_edl->session->frame_rate /
 334                                         frame_rate);
 335                                 if( direction == PLAY_REVERSE )
 336                                         nested_position++;
 337                         }
 338
 339
 340 // Auto scale if required
 341                         if( output->get_params()->get("AUTOSCALE", 0) ) {
 342                                 float autoscale_w = output->get_params()->get("AUTOSCALE_W", 1024);
 343                                 float autoscale_h = output->get_params()->get("AUTOSCALE_H", 1024);
 344                                 float x_scale = autoscale_w / asset_w;
 345                                 float y_scale = autoscale_h / asset_h;
 346
 347 // Overriding camera
 348                                 in_x = 0;
 349                                 in_y = 0;
 350                                 in_w = asset_w;
 351                                 in_h = asset_h;
 352
 353                                 if( x_scale < y_scale ) {
 354                                         out_w = in_w * x_scale;
 355                                         out_h = in_h * x_scale;
 356                                 }
 357                                 else {
 358                                         out_w = in_w * y_scale;
 359                                         out_h = in_h * y_scale;
 360                                 }
 361
 362                                 out_x = track->track_w / 2 - out_w / 2;
 363                                 out_y = track->track_h / 2 - out_h / 2;
 364                         }
 365                         else {
 366 // Apply camera
 367                                 ((VTrack*)track)->calculate_input_transfer(asset_w,
 368                                         asset_h, input_position_project, direction,
 369                                         in_x, in_y, in_w, in_h,
 370                                         out_x, out_y, out_w, out_h);
 371                         }
 372
 373 // printf("VModule::import_frame %d %f %d %f %d\n",
 374 // __LINE__, in_w, asset_w, in_h, asset_h);
 375
 376 // file -> temp -> output
 377                         if( !EQUIV(in_x, 0) ||
 378                                 !EQUIV(in_y, 0) ||
 379                                 !EQUIV(in_w, track->track_w) ||
 380                                 !EQUIV(in_h, track->track_h) ||
 381                                 !EQUIV(out_x, 0) ||
 382                                 !EQUIV(out_y, 0) ||
 383                                 !EQUIV(out_w, track->track_w) ||
 384                                 !EQUIV(out_h, track->track_h) ||
 385                                 !EQUIV(in_w, asset_w) ||
 386                                 !EQUIV(in_h, asset_h)) {
 387 //printf("VModule::import_frame %d file -> temp -> output\n", __LINE__);
 388 // Get temporary input buffer
 389                                 VFrame **input = commonrender ?  // Realtime playback
 390                                         &((VRender*)commonrender)->input_temp :
 391                                         &input_temp ; // Menu effect
 392                                 VFrame::get_temp(*input, asset_w, asset_h,
 393                                                 get_edl()->session->color_model);
 394                                 (*input)->copy_stacks(output);
 395 // file -> temp
 396 // Cache for single frame, reverse playback
 397                                 if( file ) {
 398                                         if( debug ) printf("VModule::import_frame %d this=%p file=%s\n",
 399                                                 __LINE__,
 400                                                 this,
 401                                                 current_edit->asset->path);
 402                                         if( use_cache )
 403                                                 file->set_cache_frames(use_cache);
 404                                         result = file->read_frame((*input));
 405                                         if( use_cache )
 406                                                 file->set_cache_frames(0);
 407                                         (*input)->set_opengl_state(VFrame::RAM);
 408                                 }
 409                                 else
 410                                 if( nested_edl ) {
 411 // If the colormodels differ, change input to nested colormodel
 412                                         int nested_cmodel = nested_renderengine->get_edl()->session->color_model;
 413                                         int current_cmodel = output->get_color_model();
 414                                         int output_w = output->get_w();
 415                                         int output_h = output->get_h();
 416                                         VFrame *input2 = (*input);
 417
 418                                         if( nested_cmodel != current_cmodel ) {
 419 // If opengl, input -> input -> output
 420                                                 if( use_opengl ) { }
 421                                                 else {
 422 // If software, input2 -> input -> output
 423 // Use output as a temporary.
 424                                                         input2 = output;
 425                                                 }
 426
 427                                                 if( debug ) printf("VModule::import_frame %d this=%p nested_cmodel=%d\n",
 428                                                         __LINE__,
 429                                                         this,
 430                                                         nested_cmodel);
 431                                                 input2->dump();
 432                                                 input2->reallocate(0, -1, 0, 0, 0,
 433                                                         (*input)->get_w(), (*input)->get_h(),
 434                                                         nested_cmodel, -1);
 435                                                 input2->dump();
 436                                         }
 437
 438
 439                                         if( debug ) printf("VModule::import_frame %d this=%p nested_edl=%s input2=%p\n",
 440                                                 __LINE__, this, nested_edl->path, input2);
 441
 442                                         result = nested_renderengine->vrender->process_buffer(
 443                                                 input2, nested_position, use_opengl);
 444
 445                                         if( debug ) printf("VModule::import_frame %d this=%p nested_edl=%s\n",
 446                                                 __LINE__,
 447                                                 this,
 448                                                 nested_edl->path);
 449
 450                                         if( nested_cmodel != current_cmodel ) {
 451                                                 if( debug ) printf("VModule::import_frame %d\n", __LINE__);
 452                                                 if( use_opengl ) {
 453 // Change colormodel in hardware.
 454                                                         if( debug ) printf("VModule::import_frame %d\n", __LINE__);
 455                                                         x11_device->convert_cmodel(input2,
 456                                                                 current_cmodel);
 457
 458 // The converted color model is now in hardware, so return the input2 buffer
 459 // to the expected color model.
 460                                                         input2->reallocate(0, -1, 0, 0, 0,
 461                                                                 (*input)->get_w(), (*input)->get_h(),
 462                                                                 current_cmodel, -1);
 463                                                 }
 464                                                 else {
 465 // Transfer from input2 to input
 466 if( debug ) printf("VModule::import_frame %d nested_cmodel=%d current_cmodel=%d input2=%p input=%p output=%p\n",
 467   __LINE__, nested_cmodel, current_cmodel, input2, (*input), output);
 468                                                         BC_CModels::transfer((*input)->get_rows(), input2->get_rows(),
 469                                                                 0, 0, 0, 0, 0, 0,
 470                                                                 0, 0, input2->get_w(), input2->get_h(),
 471                                                                 0, 0, (*input)->get_w(), (*input)->get_h(),
 472                                                                 nested_cmodel, current_cmodel, 0,
 473                                                                 input2->get_w(), (*input)->get_w());
 474 //printf("VModule::import_frame %d\n", __LINE__);
 475
 476 // input2 was the output buffer, so it must be restored
 477                                                 input2->reallocate(0, -1, 0, 0, 0,
 478                                                         output_w, output_h, current_cmodel, -1);
 479 //printf("VModule::import_frame %d\n", __LINE__);
 480                                                 }
 481                                         }
 482
 483                                 }
 484
 485 // Find an overlayer object to perform the camera transformation
 486                                 OverlayFrame *overlayer = 0;
 487
 488 // OpenGL playback uses hardware
 489                                 if( use_opengl ) {
 490 //printf("VModule::import_frame %d\n", __LINE__);
 491                                 }
 492                                 else if( commonrender ) {
 493 // Realtime playback
 494                                         VRender *vrender = (VRender*)commonrender;
 495                                         overlayer = vrender->overlayer;
 496                                 }
 497                                 else {
 498 // Menu effect
 499                                         if( !plugin_array )
 500                                                 printf("VModule::import_frame neither plugin_array nor commonrender is defined.\n");
 501                                         if( !overlay_temp ) {
 502                                                 overlay_temp = new OverlayFrame(plugin_array->mwindow->preferences->processors);
 503                                         }
 504
 505                                         overlayer = overlay_temp;
 506                                 }
 507 // printf("VModule::import_frame 1 %.2f %.2f %.2f %.2f %.2f %.2f %.2f %.2f\n",
 508 //   in_x, in_y, in_w, in_h, out_x, out_y, out_w, out_h);
 509
 510 // temp -> output
 511 // for( int j = 0; j < output->get_w() * 3 * 5; j++ )
 512 //      output->get_rows()[0][j] = 255;
 513
 514                                 if( use_opengl ) {
 515                                         x11_device->do_camera(output, (*input),
 516                                                 in_x, in_y, in_x + in_w, in_y + in_h,
 517                                                 out_x, out_y, out_x + out_w, out_y + out_h);
 518 if( debug ) printf("VModule::import_frame %d %d %d\n",
 519  __LINE__, output->get_opengl_state(), (*input)->get_opengl_state());
 520                                 }
 521                                 else {
 522                                         output->clear_frame();
 523 // get_cache()->check_in(current_edit->asset);
 524 // return;
 525
 526 // TRANSFER_REPLACE is the fastest transfer mode but it has the disadvantage
 527 // of producing green borders in floating point translation of YUV
 528                                         int mode = TRANSFER_REPLACE;
 529                                         if( get_edl()->session->interpolation_type != NEAREST_NEIGHBOR &&
 530                                                 BC_CModels::is_yuv(output->get_color_model()) )
 531                                                 mode = TRANSFER_NORMAL;
 532
 533                                         if( debug ) printf("VModule::import_frame %d temp -> output\n", __LINE__);
 534                                         overlayer->overlay(output, (*input),
 535                                                 in_x, in_y, in_x + in_w, in_y + in_h,
 536                                                 out_x, out_y, out_x + out_w, out_y + out_h,
 537                                                 1, mode, get_edl()->session->interpolation_type);
 538                                 }
 539                                 result = 1;
 540
 541                                 output->copy_stacks((*input));
 542
 543
 544 //printf("VModule::import_frame %d\n", __LINE__);
 545 //(*input)->dump_params();
 546 //output->dump_params();
 547                         }
 548                         else {
 549 // file -> output
 550                                 if( debug ) printf("VModule::import_frame %d file -> output nested_edl=%p file=%p\n",
 551                                         __LINE__, nested_edl, file);
 552                                 if( nested_edl ) {
 553                                         VFrame **input = &output;
 554 // If colormodels differ, reallocate output in nested colormodel.
 555                                         int nested_cmodel = nested_renderengine->get_edl()->session->color_model;
 556                                         int current_cmodel = output->get_color_model();
 557
 558 if( debug ) printf("VModule::import_frame %d nested_cmodel=%d current_cmodel=%d\n",
 559 __LINE__,
 560 nested_cmodel,
 561 current_cmodel);
 562
 563                                         if( nested_cmodel != current_cmodel ) {
 564                                                 if( use_opengl ) { }
 565                                                 else {
 566                                                         if( commonrender ) {
 567                                                                 input = &((VRender*)commonrender)->input_temp;
 568                                                         }
 569                                                         else {
 570                                                                 input = &input_temp;
 571                                                         }
 572
 573                                                         if( !(*input) ) (*input) = new VFrame;
 574                                                 }
 575
 576                                                 (*input)->reallocate(0, -1, 0, 0, 0,
 577                                                         output->get_w(), output->get_h(),
 578                                                         nested_cmodel, -1);
 579 if( debug ) printf("VModule::import_frame %d\n", __LINE__);
 580 //(*input)->dump();
 581 //(*input)->clear_frame();
 582                                         }
 583
 584 if( debug ) printf("VModule::import_frame %d %p %p\n",
 585  __LINE__, (*input)->get_rows(), (*input));
 586                                         result = nested_renderengine->vrender->process_buffer(
 587                                                 (*input), nested_position, use_opengl);
 588 if( debug ) printf("VModule::import_frame %d\n",
 589 __LINE__);
 590
 591 // If colormodels differ, change colormodels in opengl if possible.
 592 // Swap output for temp if not possible.
 593                                         if( nested_cmodel != current_cmodel ) {
 594                                                 if( use_opengl ) {
 595                                                         x11_device->convert_cmodel(output,
 596                                                                 current_cmodel);
 597
 598 // The color model was changed in place, so return output buffer
 599                                                         output->reallocate(0, -1, 0, 0, 0,
 600                                                                 output->get_w(), output->get_h(),
 601                                                                 current_cmodel, -1);
 602                                                 }
 603                                                 else {
 604 // Transfer from temporary to output
 605 if( debug ) printf("VModule::import_frame %d %d %d %d %d %d %d\n",
 606   __LINE__, (*input)->get_w(), (*input)->get_h(),
 607   output->get_w(), output->get_h(), nested_cmodel, current_cmodel);
 608                                                         BC_CModels::transfer(output->get_rows(), (*input)->get_rows(),
 609                                                                 0, 0, 0, 0, 0, 0,
 610                                                                 0, 0, (*input)->get_w(), (*input)->get_h(),
 611                                                                 0, 0, output->get_w(), output->get_h(),
 612                                                                 nested_cmodel, current_cmodel, 0,
 613                                                                 (*input)->get_w(), output->get_w());
 614                                                 }
 615
 616                                         }
 617                                 }
 618                                 else if( file ) {
 619 // Cache single frames
 620 //memset(output->get_rows()[0], 0xff, 1024);
 621                                         if( use_cache )
 622                                                 file->set_cache_frames(use_cache);
 623                                         result = file->read_frame(output);
 624                                         if( use_cache )
 625                                                 file->set_cache_frames(0);
 626                                         output->set_opengl_state(VFrame::RAM);
 627                                 }
 628                         }
 629
 630                         if( file ) {
 631                                 get_cache()->check_in(current_edit->asset);
 632                                 file = 0;
 633                         }
 634                 }
 635                 else {
 636 // Source not found
 637                         result = 1;
 638                 }
 639
 640 //              printf("VModule::import_frame %d cache=%p\n",
 641 //                      __LINE__,
 642 //                      get_cache());
 643
 644         }
 645         else {
 646 // Source is silence
 647                 if( debug ) printf("VModule::import_frame %d\n", __LINE__);
 648                 if( use_opengl ) {
 649                         x11_device->clear_input(output);
 650                 }
 651                 else {
 652                         output->clear_frame();
 653                 }
 654         }
 655
 656         if( debug ) printf("VModule::import_frame %d done\n", __LINE__);
 657
 658         return result;
 659 }
 660
 661
 662 int VModule::render(VFrame *output,
 663         int64_t start_position, int direction, double frame_rate,
 664         int use_nudge, int debug_render, int use_opengl)
 665 {
 666         int result = 0;
 667         double edl_rate = get_edl()->session->frame_rate;
 668
 669 //printf("VModule::render %d %ld\n", __LINE__, start_position);
 670
 671         if( use_nudge ) start_position += Units::to_int64(track->nudge *
 672                 frame_rate / edl_rate);
 673
 674         int64_t start_position_project = Units::to_int64(start_position *
 675                 edl_rate / frame_rate + 0.5);
 676
 677         update_transition(start_position_project, direction);
 678
 679         VEdit* current_edit = (VEdit*)track->edits->editof(start_position_project,
 680                 direction, 0);
 681         VEdit* previous_edit = 0;
 682 //printf("VModule::render %d %p %ld %d\n", __LINE__, current_edit, start_position_project, direction);
 683
 684         Plugin *transition = get_edl()->tracks->plugin_exists(transition_id);
 685         if( debug_render )
 686                 printf("    VModule::render %d %d %jd %s transition=%p opengl=%d current_edit=%p output=%p\n",
 687                         __LINE__, use_nudge, start_position_project, track->title,
 688                         transition, use_opengl, current_edit, output);
 689
 690         if( !current_edit ) {
 691                 output->clear_frame();
 692                 // We do not apply mask here, since alpha is 0, and neither substracting nor multypling changes it
 693                 // Another mask mode - "addition" should be added to be able to create mask from empty frames
 694                 // in this case we would call masking here too...
 695                 return 0;
 696         }
 697
 698
 699
 700
 701 // Process transition
 702         if( transition && transition->on ) {
 703
 704 // Get temporary buffer
 705                 VFrame **transition_input = 0;
 706                 if( commonrender ) {
 707                         VRender *vrender = (VRender*)commonrender;
 708                         transition_input = &vrender->transition_temp;
 709                 }
 710                 else {
 711                         transition_input = &transition_temp;
 712                 }
 713
 714                 if( (*transition_input) &&
 715                         ((*transition_input)->get_w() != track->track_w ||
 716                         (*transition_input)->get_h() != track->track_h) ) {
 717                         delete (*transition_input);
 718                         (*transition_input) = 0;
 719                 }
 720
 721 // Load incoming frame
 722                 if( !(*transition_input) ) {
 723                         (*transition_input) =
 724                                 new VFrame(track->track_w, track->track_h,
 725                                         get_edl()->session->color_model);
 726                 }
 727
 728                 (*transition_input)->copy_stacks(output);
 729
 730 //printf("VModule::render %d\n", __LINE__);
 731                 result = import_frame((*transition_input),
 732                         current_edit, start_position, frame_rate,
 733                         direction, use_opengl);
 734
 735
 736 // Load transition buffer
 737                 previous_edit = (VEdit*)current_edit->previous;
 738
 739                 result |= import_frame(output,
 740                         previous_edit, start_position, frame_rate,
 741                         direction, use_opengl);
 742 //printf("VModule::render %d %p %p %p %p\n", __LINE__,
 743 // (*transition_input), (*transition_input)->get_pbuffer(),
 744 // output, output->get_pbuffer());
 745
 746                 if( transition_server ) {
 747 // Execute plugin with transition_input and output here
 748                         if( renderengine )
 749                                 transition_server->set_use_opengl(use_opengl, renderengine->video);
 750                         transition_server->process_transition((*transition_input), output,
 751                                 (direction == PLAY_FORWARD) ?
 752                                         (start_position_project - current_edit->startproject) :
 753                                         (start_position_project - current_edit->startproject - 1),
 754                                 transition->length);
 755                 }
 756                 else
 757                         eprintf("missing transition plugin: %s\n", transition->title);
 758         }
 759         else {
 760 // Load output buffer
 761                 result = import_frame(output,
 762                         current_edit, start_position, frame_rate,
 763                         direction, use_opengl);
 764         }
 765
 766         Auto *current = 0;
 767         MaskAutos *keyframe_set =
 768                 (MaskAutos*)track->automation->autos[AUTOMATION_MASK];
 769         int64_t mask_position = !renderengine ? start_position :
 770                 renderengine->vrender->current_position;
 771         MaskAuto *keyframe =
 772                 (MaskAuto*)keyframe_set->get_prev_auto(mask_position, direction, current);
 773
 774         if( keyframe->apply_before_plugins && keyframe->has_active_mask() ) {
 775                 VDeviceX11 *x11_device = 0;
 776                 if( use_opengl && renderengine && renderengine->video ) {
 777                         x11_device = (VDeviceX11*)renderengine->video->get_output_base();
 778                         if( !x11_device->can_mask(mask_position, keyframe_set) ) {
 779                                 if( output->get_opengl_state() != VFrame::RAM ) {
 780                                         int w = output->get_w(), h = output->get_h();
 781                                         x11_device->do_camera(output, output,
 782                                                 0,0,w,h, 0,0,w,h); // copy to ram
 783                                 }
 784                                 use_opengl = 0;
 785                         }
 786                 }
 787                 if( use_opengl && x11_device ) {
 788                         x11_device->do_mask(output, mask_position, keyframe_set,
 789                                         keyframe, keyframe);
 790                 }
 791                 else {
 792                         if( !masker ) {
 793                                 int cpus = renderengine ?
 794                                         renderengine->preferences->processors :
 795                                         plugin_array->mwindow->preferences->processors;
 796                                 masker = new MaskEngine(cpus);
 797                         }
 798                         masker->do_mask(output, mask_position, keyframe_set, keyframe, keyframe);
 799                 }
 800         }
 801
 802         return result;
 803 }
 804
 805
 806 void VModule::create_objects()
 807 {
 808         Module::create_objects();
 809 }
 810