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