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                         if( !nested_command )
 180                                 nested_command = new TransportCommand;
 181                         nested_command->command = command;
 182                         nested_command->get_edl()->copy_all(nested_edl);
 183                         nested_command->change_type = CHANGE_ALL;
 184                         nested_command->realtime = renderengine->command->realtime;
 185                         nested_renderengine = new RenderEngine(0, get_preferences(), 0, 1);
 186                         nested_renderengine->set_vcache(get_cache());
 187                         nested_renderengine->arm_command(nested_command);
 188                 }
 189                 else {
 190
 191 // Update nested command
 192                         nested_renderengine->command->command = command;
 193                         nested_command->realtime = renderengine->command->realtime;
 194                 }
 195
 196 // Update nested video driver for opengl
 197                 nested_renderengine->video = renderengine->video;
 198         }
 199         else {
 200                 nested_edl = 0;
 201         }
 202         if( debug ) printf("VModule::import_frame %d\n", __LINE__);
 203
 204         if( output ) {
 205                 if( use_opengl )
 206                         x11_device->clear_input(output);
 207                 else
 208                         output->clear_frame();
 209         }
 210         else
 211                 printf("VModule::import_frame %d output=%p\n", __LINE__, output);
 212
 213         if( current_edit &&
 214                 (current_edit->asset ||
 215                 (current_edit->nested_edl && nested_renderengine->vrender)) ) {
 216                 File *file = 0;
 217
 218 //printf("VModule::import_frame %d cache=%p\n", __LINE__, get_cache());
 219                 if( current_edit->asset ) {
 220                         get_cache()->age();
 221                         file = get_cache()->check_out(current_edit->asset, get_edl());
 222 //                      get_cache()->dump();
 223                 }
 224
 225 // File found
 226                 if( file || nested_edl ) {
 227                         int64_t nested_position = 0;
 228 // Source position going forward, in edl framerate
 229                         int64_t pos = Units::to_int64((double)direction_position / frame_rate * edl_rate);
 230                         int64_t len = pos - current_edit->startproject;
 231                         FloatAutos *speed_autos = !track->has_speed() ? 0 :
 232                                 (FloatAutos*)track->automation->autos[AUTOMATION_SPEED];
 233                         if( speed_autos && len > 0 )
 234                                 len = speed_autos->automation_integral(current_edit->startproject, len, PLAY_FORWARD);
 235                         pos = current_edit->startsource + len;
 236 // Make positions based on requested frame rate.
 237                         int64_t position = Units::to_int64((double)pos * frame_rate / edl_rate);
 238
 239                         int64_t max_position;
 240                         int asset_w, asset_h;
 241                         if( file ) {
 242                                 asset_w = current_edit->asset->width;
 243                                 asset_h = current_edit->asset->height;
 244                                 max_position = Units::to_int64((double)file->get_video_length() *
 245                                         frame_rate / current_edit->asset->frame_rate - 1);
 246                         }
 247                         else {
 248                                 asset_w = nested_edl->session->output_w;
 249                                 asset_h = nested_edl->session->output_h;
 250                                 max_position = Units::to_int64(nested_edl->tracks->total_length() *
 251                                         frame_rate - 1);
 252                         }
 253 // if we hit the end of stream, freeze at last frame
 254                         CLAMP(position, 0, max_position);
 255
 256                         VFrame *&input = commonrender ?
 257                                 ((VRender*)commonrender)->input_temp : // Realtime playback
 258                                 input_temp ; // Menu effect
 259                         VFrame::get_temp(input, asset_w, asset_h, get_edl()->session->color_model);
 260
 261                         int use_cache = renderengine &&
 262                                 ( renderengine->command->single_frame() ||
 263                                   renderengine->command->get_direction() == PLAY_REVERSE );
 264
 265 //                      int use_asynchronous = !use_cache &&
 266 //                              renderengine &&
 267 // Try to make rendering go faster.
 268 // But converts some formats to YUV420, which may degrade input format.
 269 ////                            renderengine->command->realtime &&
 270 //                              renderengine->get_edl()->session->video_asynchronous;
 271
 272                         if( file ) {
 273                                 if( debug ) printf("VModule::import_frame %d\n", __LINE__);
 274 //                              if( use_asynchronous )
 275 //                                      file->start_video_decode_thread();
 276 //                              else
 277                                         file->stop_video_thread();
 278
 279 // cache transitions
 280                                 VEdit *vnext = (VEdit *)current_edit->next;
 281                                 pos = Units::to_int64((double)input_position / frame_rate * edl_rate);
 282                                 if( renderengine && renderengine->preferences->cache_transitions &&
 283                                     renderengine->command->get_direction() == PLAY_FORWARD &&
 284                                     current_edit->next && current_edit->next->transition &&
 285                                     file->get_video_length() >= 0 && pos >= vnext->startproject &&
 286                                     pos < vnext->startproject + vnext->transition->length ) {
 287                                         file->set_cache_frames(0);
 288                                         file->set_layer(current_edit->channel);
 289                                         VEdit *vnext = (VEdit *)current_edit->next;
 290                                         Track *track = current_edit->track;
 291                                         FloatAutos *speed_autos = (FloatAutos*)(track->has_speed() ?
 292                                                 track->automation->autos[AUTOMATION_SPEED] : 0);
 293                                         int64_t end = vnext->startproject + vnext->transition->length;
 294                                         int first_frame = 1;
 295                                         int count = renderengine->preferences->cache_size /
 296                                                 input->get_data_size() / 2;  // try to burn only 1/2 of cache
 297                                         while( !result && pos < end && count > 0 ) {
 298                                                 int64_t curr_pos = pos - current_edit->startproject;
 299                                                 if( curr_pos > 0 && speed_autos )
 300                                                         curr_pos = speed_autos->automation_integral(
 301                                                                 current_edit->startproject, curr_pos, PLAY_FORWARD);
 302                                                 curr_pos += current_edit->startsource;
 303                                                 int64_t norm_pos = Units::to_int64((double)curr_pos *
 304                                                         current_edit->asset->frame_rate / edl_rate);
 305                                                 VFrame *cache_frame = file->new_cache_frame(input, norm_pos, first_frame);
 306                                                 if( cache_frame ) {
 307                                                         file->set_video_position(norm_pos, 0);
 308                                                         result = file->read_frame(cache_frame);
 309                                                         file->put_cache_frame();
 310                                                 }
 311                                                 else if( first_frame ) // already loaded
 312                                                         break;
 313                                                 first_frame = 0;
 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 //printf("VModule::import_frame %d %lld %lld\n", __LINE__, position, normalized_position);
 322                                 file->set_layer(current_edit->channel);
 323                                 file->set_video_position(normalized_position, 0);
 324                         }
 325                         else {
 326                                 if( debug ) printf("VModule::import_frame %d\n", __LINE__);
 327 // Get source position in nested frame rate in direction of playback.
 328                                 nested_position = Units::to_int64(position *
 329                                         nested_edl->session->frame_rate /
 330                                         frame_rate);
 331                                 if( direction == PLAY_REVERSE )
 332                                         nested_position++;
 333                         }
 334
 335
 336 // Auto scale if required
 337                         if( output->get_params()->get("AUTOSCALE", 0) ) {
 338                                 float autoscale_w = output->get_params()->get("AUTOSCALE_W", 1024);
 339                                 float autoscale_h = output->get_params()->get("AUTOSCALE_H", 1024);
 340                                 float x_scale = autoscale_w / asset_w;
 341                                 float y_scale = autoscale_h / asset_h;
 342
 343 // Overriding camera
 344                                 in_x = 0;
 345                                 in_y = 0;
 346                                 in_w = asset_w;
 347                                 in_h = asset_h;
 348
 349                                 if( x_scale < y_scale ) {
 350                                         out_w = in_w * x_scale;
 351                                         out_h = in_h * x_scale;
 352                                 }
 353                                 else {
 354                                         out_w = in_w * y_scale;
 355                                         out_h = in_h * y_scale;
 356                                 }
 357
 358                                 out_x = track->track_w / 2 - out_w / 2;
 359                                 out_y = track->track_h / 2 - out_h / 2;
 360                         }
 361                         else {
 362 // Apply camera
 363                                 ((VTrack*)track)->calculate_input_transfer(asset_w,
 364                                         asset_h, input_position_project, direction,
 365                                         in_x, in_y, in_w, in_h,
 366                                         out_x, out_y, out_w, out_h);
 367                         }
 368
 369 // printf("VModule::import_frame %d %f %d %f %d\n",
 370 // __LINE__, in_w, asset_w, in_h, asset_h);
 371
 372 // file -> temp -> output
 373                         if( !EQUIV(in_x, 0) ||
 374                                 !EQUIV(in_y, 0) ||
 375                                 !EQUIV(in_w, track->track_w) ||
 376                                 !EQUIV(in_h, track->track_h) ||
 377                                 !EQUIV(out_x, 0) ||
 378                                 !EQUIV(out_y, 0) ||
 379                                 !EQUIV(out_w, track->track_w) ||
 380                                 !EQUIV(out_h, track->track_h) ||
 381                                 !EQUIV(in_w, asset_w) ||
 382                                 !EQUIV(in_h, asset_h)) {
 383 //printf("VModule::import_frame %d file -> temp -> output\n", __LINE__);
 384 // Get temporary input buffer
 385                                 VFrame **input = commonrender ?  // Realtime playback
 386                                         &((VRender*)commonrender)->input_temp :
 387                                         &input_temp ; // Menu effect
 388                                 VFrame::get_temp(*input, asset_w, asset_h,
 389                                                 get_edl()->session->color_model);
 390                                 (*input)->copy_stacks(output);
 391 // file -> temp
 392 // Cache for single frame, reverse playback
 393                                 if( file ) {
 394                                         if( debug ) printf("VModule::import_frame %d this=%p file=%s\n",
 395                                                 __LINE__,
 396                                                 this,
 397                                                 current_edit->asset->path);
 398                                         if( use_cache ) file->set_cache_frames(1);
 399                                         result = file->read_frame((*input));
 400                                         if( use_cache ) file->set_cache_frames(0);
 401                                         (*input)->set_opengl_state(VFrame::RAM);
 402                                 }
 403                                 else
 404                                 if( nested_edl ) {
 405 // If the colormodels differ, change input to nested colormodel
 406                                         int nested_cmodel = nested_renderengine->get_edl()->session->color_model;
 407                                         int current_cmodel = output->get_color_model();
 408                                         int output_w = output->get_w();
 409                                         int output_h = output->get_h();
 410                                         VFrame *input2 = (*input);
 411
 412                                         if( nested_cmodel != current_cmodel ) {
 413 // If opengl, input -> input -> output
 414                                                 if( use_opengl ) { }
 415                                                 else {
 416 // If software, input2 -> input -> output
 417 // Use output as a temporary.
 418                                                         input2 = output;
 419                                                 }
 420
 421                                                 if( debug ) printf("VModule::import_frame %d this=%p nested_cmodel=%d\n",
 422                                                         __LINE__,
 423                                                         this,
 424                                                         nested_cmodel);
 425                                                 input2->dump();
 426                                                 input2->reallocate(0, -1, 0, 0, 0,
 427                                                         (*input)->get_w(), (*input)->get_h(),
 428                                                         nested_cmodel, -1);
 429                                                 input2->dump();
 430                                         }
 431
 432
 433                                         if( debug ) printf("VModule::import_frame %d this=%p nested_edl=%s input2=%p\n",
 434                                                 __LINE__, this, nested_edl->path, input2);
 435
 436                                         result = nested_renderengine->vrender->process_buffer(
 437                                                 input2, nested_position, use_opengl);
 438
 439                                         if( debug ) printf("VModule::import_frame %d this=%p nested_edl=%s\n",
 440                                                 __LINE__,
 441                                                 this,
 442                                                 nested_edl->path);
 443
 444                                         if( nested_cmodel != current_cmodel ) {
 445                                                 if( debug ) printf("VModule::import_frame %d\n", __LINE__);
 446                                                 if( use_opengl ) {
 447 // Change colormodel in hardware.
 448                                                         if( debug ) printf("VModule::import_frame %d\n", __LINE__);
 449                                                         x11_device->convert_cmodel(input2,
 450                                                                 current_cmodel);
 451
 452 // The converted color model is now in hardware, so return the input2 buffer
 453 // to the expected color model.
 454                                                         input2->reallocate(0, -1, 0, 0, 0,
 455                                                                 (*input)->get_w(), (*input)->get_h(),
 456                                                                 current_cmodel, -1);
 457                                                 }
 458                                                 else {
 459 // Transfer from input2 to input
 460 if( debug ) printf("VModule::import_frame %d nested_cmodel=%d current_cmodel=%d input2=%p input=%p output=%p\n",
 461   __LINE__, nested_cmodel, current_cmodel, input2, (*input), output);
 462                                                         BC_CModels::transfer((*input)->get_rows(), input2->get_rows(),
 463                                                                 0, 0, 0, 0, 0, 0,
 464                                                                 0, 0, input2->get_w(), input2->get_h(),
 465                                                                 0, 0, (*input)->get_w(), (*input)->get_h(),
 466                                                                 nested_cmodel, current_cmodel, 0,
 467                                                                 input2->get_w(), (*input)->get_w());
 468 //printf("VModule::import_frame %d\n", __LINE__);
 469
 470 // input2 was the output buffer, so it must be restored
 471                                                 input2->reallocate(0, -1, 0, 0, 0,
 472                                                         output_w, output_h, current_cmodel, -1);
 473 //printf("VModule::import_frame %d\n", __LINE__);
 474                                                 }
 475                                         }
 476
 477                                 }
 478
 479 // Find an overlayer object to perform the camera transformation
 480                                 OverlayFrame *overlayer = 0;
 481
 482 // OpenGL playback uses hardware
 483                                 if( use_opengl ) {
 484 //printf("VModule::import_frame %d\n", __LINE__);
 485                                 }
 486                                 else if( commonrender ) {
 487 // Realtime playback
 488                                         VRender *vrender = (VRender*)commonrender;
 489                                         overlayer = vrender->overlayer;
 490                                 }
 491                                 else {
 492 // Menu effect
 493                                         if( !plugin_array )
 494                                                 printf("VModule::import_frame neither plugin_array nor commonrender is defined.\n");
 495                                         if( !overlay_temp ) {
 496                                                 overlay_temp = new OverlayFrame(plugin_array->mwindow->preferences->processors);
 497                                         }
 498
 499                                         overlayer = overlay_temp;
 500                                 }
 501 // printf("VModule::import_frame 1 %.2f %.2f %.2f %.2f %.2f %.2f %.2f %.2f\n",
 502 //   in_x, in_y, in_w, in_h, out_x, out_y, out_w, out_h);
 503
 504 // temp -> output
 505 // for( int j = 0; j < output->get_w() * 3 * 5; j++ )
 506 //      output->get_rows()[0][j] = 255;
 507
 508                                 if( use_opengl ) {
 509                                         x11_device->do_camera(output, (*input),
 510                                                 in_x, in_y, in_x + in_w, in_y + in_h,
 511                                                 out_x, out_y, out_x + out_w, out_y + out_h);
 512 if( debug ) printf("VModule::import_frame %d %d %d\n",
 513  __LINE__, output->get_opengl_state(), (*input)->get_opengl_state());
 514                                 }
 515                                 else {
 516                                         output->clear_frame();
 517 // get_cache()->check_in(current_edit->asset);
 518 // return;
 519
 520 // TRANSFER_REPLACE is the fastest transfer mode but it has the disadvantage
 521 // of producing green borders in floating point translation of YUV
 522                                         int mode = TRANSFER_REPLACE;
 523                                         if( get_edl()->session->interpolation_type != NEAREST_NEIGHBOR &&
 524                                                 BC_CModels::is_yuv(output->get_color_model()) )
 525                                                 mode = TRANSFER_NORMAL;
 526
 527                                         if( debug ) printf("VModule::import_frame %d temp -> output\n", __LINE__);
 528                                         overlayer->overlay(output, (*input),
 529                                                 in_x, in_y, in_x + in_w, in_y + in_h,
 530                                                 out_x, out_y, out_x + out_w, out_y + out_h,
 531                                                 1, mode, get_edl()->session->interpolation_type);
 532                                 }
 533                                 result = 1;
 534
 535                                 output->copy_stacks((*input));
 536
 537
 538 //printf("VModule::import_frame %d\n", __LINE__);
 539 //(*input)->dump_params();
 540 //output->dump_params();
 541                         }
 542                         else {
 543 // file -> output
 544                                 if( debug ) printf("VModule::import_frame %d file -> output nested_edl=%p file=%p\n",
 545                                         __LINE__, nested_edl, file);
 546                                 if( nested_edl ) {
 547                                         VFrame **input = &output;
 548 // If colormodels differ, reallocate output in nested colormodel.
 549                                         int nested_cmodel = nested_renderengine->get_edl()->session->color_model;
 550                                         int current_cmodel = output->get_color_model();
 551
 552 if( debug ) printf("VModule::import_frame %d nested_cmodel=%d current_cmodel=%d\n",
 553 __LINE__,
 554 nested_cmodel,
 555 current_cmodel);
 556
 557                                         if( nested_cmodel != current_cmodel ) {
 558                                                 if( use_opengl ) { }
 559                                                 else {
 560                                                         if( commonrender ) {
 561                                                                 input = &((VRender*)commonrender)->input_temp;
 562                                                         }
 563                                                         else {
 564                                                                 input = &input_temp;
 565                                                         }
 566
 567                                                         if( !(*input) ) (*input) = new VFrame;
 568                                                 }
 569
 570                                                 (*input)->reallocate(0, -1, 0, 0, 0,
 571                                                         output->get_w(), output->get_h(),
 572                                                         nested_cmodel, -1);
 573 if( debug ) printf("VModule::import_frame %d\n", __LINE__);
 574 //(*input)->dump();
 575 //(*input)->clear_frame();
 576                                         }
 577
 578 if( debug ) printf("VModule::import_frame %d %p %p\n",
 579  __LINE__, (*input)->get_rows(), (*input));
 580                                         result = nested_renderengine->vrender->process_buffer(
 581                                                 (*input), nested_position, use_opengl);
 582 if( debug ) printf("VModule::import_frame %d\n",
 583 __LINE__);
 584
 585 // If colormodels differ, change colormodels in opengl if possible.
 586 // Swap output for temp if not possible.
 587                                         if( nested_cmodel != current_cmodel ) {
 588                                                 if( use_opengl ) {
 589                                                         x11_device->convert_cmodel(output,
 590                                                                 current_cmodel);
 591
 592 // The color model was changed in place, so return output buffer
 593                                                         output->reallocate(0, -1, 0, 0, 0,
 594                                                                 output->get_w(), output->get_h(),
 595                                                                 current_cmodel, -1);
 596                                                 }
 597                                                 else {
 598 // Transfer from temporary to output
 599 if( debug ) printf("VModule::import_frame %d %d %d %d %d %d %d\n",
 600   __LINE__, (*input)->get_w(), (*input)->get_h(),
 601   output->get_w(), output->get_h(), nested_cmodel, current_cmodel);
 602                                                         BC_CModels::transfer(output->get_rows(), (*input)->get_rows(),
 603                                                                 0, 0, 0, 0, 0, 0,
 604                                                                 0, 0, (*input)->get_w(), (*input)->get_h(),
 605                                                                 0, 0, output->get_w(), output->get_h(),
 606                                                                 nested_cmodel, current_cmodel, 0,
 607                                                                 (*input)->get_w(), output->get_w());
 608                                                 }
 609
 610                                         }
 611                                 }
 612                                 else if( file ) {
 613 // Cache single frames
 614 //memset(output->get_rows()[0], 0xff, 1024);
 615                                         if( use_cache ) file->set_cache_frames(1);
 616                                         result = file->read_frame(output);
 617                                         if( use_cache ) file->set_cache_frames(0);
 618                                         output->set_opengl_state(VFrame::RAM);
 619                                 }
 620                         }
 621
 622                         if( file ) {
 623                                 get_cache()->check_in(current_edit->asset);
 624                                 file = 0;
 625                         }
 626                 }
 627                 else {
 628 // Source not found
 629                         result = 1;
 630                 }
 631
 632 //              printf("VModule::import_frame %d cache=%p\n",
 633 //                      __LINE__,
 634 //                      get_cache());
 635
 636         }
 637         else {
 638 // Source is silence
 639                 if( debug ) printf("VModule::import_frame %d\n", __LINE__);
 640                 if( use_opengl ) {
 641                         x11_device->clear_input(output);
 642                 }
 643                 else {
 644                         output->clear_frame();
 645                 }
 646         }
 647
 648         if( debug ) printf("VModule::import_frame %d done\n", __LINE__);
 649
 650         return result;
 651 }
 652
 653
 654 int VModule::render(VFrame *output,
 655         int64_t start_position, int direction, double frame_rate,
 656         int use_nudge, int debug_render, int use_opengl)
 657 {
 658         int result = 0;
 659         double edl_rate = get_edl()->session->frame_rate;
 660
 661 //printf("VModule::render %d %ld\n", __LINE__, start_position);
 662
 663         if( use_nudge ) start_position += Units::to_int64(track->nudge *
 664                 frame_rate / edl_rate);
 665
 666         int64_t start_position_project = Units::to_int64(start_position *
 667                 edl_rate / frame_rate + 0.5);
 668
 669         update_transition(start_position_project, direction);
 670
 671         VEdit* current_edit = (VEdit*)track->edits->editof(start_position_project,
 672                 direction, 0);
 673         VEdit* previous_edit = 0;
 674 //printf("VModule::render %d %p %ld %d\n", __LINE__, current_edit, start_position_project, direction);
 675
 676         Plugin *transition = get_edl()->tracks->plugin_exists(transition_id);
 677         if( debug_render )
 678                 printf("    VModule::render %d %d %jd %s transition=%p opengl=%d current_edit=%p output=%p\n",
 679                         __LINE__, use_nudge, start_position_project, track->title,
 680                         transition, use_opengl, current_edit, output);
 681
 682         if( !current_edit ) {
 683                 output->clear_frame();
 684                 // We do not apply mask here, since alpha is 0, and neither substracting nor multypling changes it
 685                 // Another mask mode - "addition" should be added to be able to create mask from empty frames
 686                 // in this case we would call masking here too...
 687                 return 0;
 688         }
 689
 690
 691
 692
 693 // Process transition
 694         if( transition && transition->on ) {
 695
 696 // Get temporary buffer
 697                 VFrame **transition_input = 0;
 698                 if( commonrender ) {
 699                         VRender *vrender = (VRender*)commonrender;
 700                         transition_input = &vrender->transition_temp;
 701                 }
 702                 else {
 703                         transition_input = &transition_temp;
 704                 }
 705
 706                 if( (*transition_input) &&
 707                         ((*transition_input)->get_w() != track->track_w ||
 708                         (*transition_input)->get_h() != track->track_h) ) {
 709                         delete (*transition_input);
 710                         (*transition_input) = 0;
 711                 }
 712
 713 // Load incoming frame
 714                 if( !(*transition_input) ) {
 715                         (*transition_input) =
 716                                 new VFrame(track->track_w, track->track_h,
 717                                         get_edl()->session->color_model);
 718                 }
 719
 720                 (*transition_input)->copy_stacks(output);
 721
 722 //printf("VModule::render %d\n", __LINE__);
 723                 result = import_frame((*transition_input),
 724                         current_edit, start_position, frame_rate,
 725                         direction, use_opengl);
 726
 727
 728 // Load transition buffer
 729                 previous_edit = (VEdit*)current_edit->previous;
 730
 731                 result |= import_frame(output,
 732                         previous_edit, start_position, frame_rate,
 733                         direction, use_opengl);
 734 //printf("VModule::render %d %p %p %p %p\n", __LINE__,
 735 // (*transition_input), (*transition_input)->get_pbuffer(),
 736 // output, output->get_pbuffer());
 737
 738 // Execute plugin with transition_input and output here
 739                 if( renderengine )
 740                         transition_server->set_use_opengl(use_opengl, renderengine->video);
 741                 transition_server->process_transition((*transition_input), output,
 742                         (direction == PLAY_FORWARD) ?
 743                                 (start_position_project - current_edit->startproject) :
 744                                 (start_position_project - current_edit->startproject - 1),
 745                         transition->length);
 746         }
 747         else {
 748 // Load output buffer
 749                 result = import_frame(output,
 750                         current_edit, start_position, frame_rate,
 751                         direction, use_opengl);
 752         }
 753
 754         Auto *current = 0;
 755         MaskAutos *keyframe_set =
 756                 (MaskAutos*)track->automation->autos[AUTOMATION_MASK];
 757         int64_t mask_position = !renderengine ? start_position :
 758                 renderengine->vrender->current_position;
 759         MaskAuto *keyframe =
 760                 (MaskAuto*)keyframe_set->get_prev_auto(mask_position, direction, current);
 761
 762         if( keyframe->apply_before_plugins && keyframe->has_active_mask() ) {
 763                 VDeviceX11 *x11_device = 0;
 764                 if( use_opengl && renderengine && renderengine->video ) {
 765                         x11_device = (VDeviceX11*)renderengine->video->get_output_base();
 766                         if( !x11_device->can_mask(mask_position, keyframe_set) ) {
 767                                 if( output->get_opengl_state() != VFrame::RAM ) {
 768                                         int w = output->get_w(), h = output->get_h();
 769                                         x11_device->do_camera(output, output,
 770                                                 0,0,w,h, 0,0,w,h); // copy to ram
 771                                 }
 772                                 use_opengl = 0;
 773                         }
 774                 }
 775                 if( use_opengl && x11_device ) {
 776                         x11_device->do_mask(output, mask_position, keyframe_set,
 777                                         keyframe, keyframe);
 778                 }
 779                 else {
 780                         if( !masker ) {
 781                                 int cpus = renderengine ?
 782                                         renderengine->preferences->processors :
 783                                         plugin_array->mwindow->preferences->processors;
 784                                 masker = new MaskEngine(cpus);
 785                         }
 786                         masker->do_mask(output, mask_position, keyframe_set, keyframe, keyframe);
 787                 }
 788         }
 789
 790         return result;
 791 }
 792
 793
 794 void VModule::create_objects()
 795 {
 796         Module::create_objects();
 797 }
 798