cinelerra-5.1/cinelerra/vdevicex11.C

   1
   2 /*
   3  * CINELERRA
   4  * Copyright (C) 2008-2017 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 "assets.h"
  23 #include "autos.h"
  24 #include "bccapture.h"
  25 #include "bccmodels.h"
  26 #include "bcdisplayinfo.h"
  27 #include "bcsignals.h"
  28 #include "canvas.h"
  29 #include "edl.h"
  30 #include "edlsession.h"
  31 #include "file.h"
  32 #include "maskauto.h"
  33 #include "maskautos.h"
  34 #include "mwindow.h"
  35 #include "mwindowgui.h"
  36 #include "playback3d.h"
  37 #include "playbackconfig.h"
  38 #include "preferences.h"
  39 #include "recordconfig.h"
  40 #include "strategies.inc"
  41 #include "vdevicex11.h"
  42 #include "vframe.h"
  43 #include "videodevice.h"
  44 #include "videowindow.h"
  45 #include "videowindowgui.h"
  46
  47 #include <string.h>
  48 #include <unistd.h>
  49
  50 VDeviceX11::VDeviceX11(VideoDevice *device, Canvas *output)
  51  : VDeviceBase(device)
  52 {
  53         reset_parameters();
  54         this->output = output;
  55 }
  56
  57 VDeviceX11::~VDeviceX11()
  58 {
  59         close_all();
  60 }
  61
  62 int VDeviceX11::reset_parameters()
  63 {
  64         output_frame = 0;
  65         window_id = 0;
  66         bitmap = 0;
  67         bitmap_type = 0;
  68         bitmap_w = 0;
  69         bitmap_h = 0;
  70         output_x1 = 0;
  71         output_y1 = 0;
  72         output_x2 = 0;
  73         output_y2 = 0;
  74         canvas_x1 = 0;
  75         canvas_y1 = 0;
  76         canvas_x2 = 0;
  77         canvas_y2 = 0;
  78         capture_bitmap = 0;
  79         color_model_selected = 0;
  80         is_cleared = 0;
  81         return 0;
  82 }
  83
  84 int VDeviceX11::open_input()
  85 {
  86 //printf("VDeviceX11::open_input 1\n");
  87         capture_bitmap = new BC_Capture(device->in_config->w,
  88                 device->in_config->h,
  89                 device->in_config->screencapture_display);
  90 //printf("VDeviceX11::open_input 2\n");
  91         capture_bitmap->bars_on(SCREENCAP_PIXELS, SCREENCAP_COLOR,
  92                 device->input_x, device->input_y,
  93                 device->in_config->w, device->in_config->h);
  94
  95         return 0;
  96 }
  97
  98 int VDeviceX11::open_output()
  99 {
 100         if( !output ) return 0;
 101         BC_WindowBase *window =
 102                 output->lock_canvas("VDeviceX11::open_output");
 103         if( window ) {
 104                 if( !device->single_frame )
 105                         output->start_video();
 106                 else
 107                         output->start_single();
 108         }
 109         output->unlock_canvas();
 110         return 0;
 111 }
 112
 113
 114 int VDeviceX11::output_visible()
 115 {
 116         int ret = 0;
 117         if( output ) {
 118                 BC_WindowBase *window =
 119                         output->lock_canvas("VDeviceX11::output_visible");
 120                 ret = !window || window->get_hidden() ? 0 : 1;
 121                 output->unlock_canvas();
 122         }
 123         return ret;
 124 }
 125
 126
 127 int VDeviceX11::close_all()
 128 {
 129         if( output ) {
 130                 BC_WindowBase *window =
 131                         output->lock_canvas("VDeviceX11::close_all");
 132                 int video_on = window ? window->get_video_on() : 0;
 133 // Update the status bug
 134                 if( !device->single_frame )
 135                         output->stop_video();
 136                 else
 137                         output->stop_single();
 138
 139                 if( output_frame )
 140                         output->update_refresh(device, output_frame);
 141 // if the last frame is good, don't draw over it
 142                 if( !video_on || output->need_overlays() )
 143                         output->draw_refresh(1);
 144         }
 145
 146         delete bitmap;          bitmap = 0;
 147         delete output_frame;    output_frame = 0;
 148         delete capture_bitmap;  capture_bitmap = 0;
 149
 150         if( output )
 151                 output->unlock_canvas();
 152
 153         reset_parameters();
 154
 155         return 0;
 156 }
 157
 158 int VDeviceX11::read_buffer(VFrame *frame)
 159 {
 160         capture_bitmap->bars_reposition(
 161                 device->input_x, device->input_y,
 162                 device->in_config->w, device->in_config->h);
 163
 164         capture_bitmap->capture_frame(frame,
 165                 device->input_x, device->input_y, device->do_cursor);
 166         return 0;
 167 }
 168
 169
 170 int VDeviceX11::get_best_colormodel(Asset *asset)
 171 {
 172         return File::get_best_colormodel(asset, SCREENCAPTURE);
 173 //      return BC_RGB888;
 174 }
 175
 176
 177 int VDeviceX11::get_display_colormodel(int file_colormodel)
 178 {
 179         int result = -1;
 180
 181         if( device->out_config->driver == PLAYBACK_X11_GL ) {
 182                 if( file_colormodel == BC_RGB888 ||
 183                     file_colormodel == BC_RGBA8888 ||
 184                     file_colormodel == BC_YUV888 ||
 185                     file_colormodel == BC_YUVA8888 ||
 186                     file_colormodel == BC_RGB_FLOAT ||
 187                     file_colormodel == BC_RGBA_FLOAT ) {
 188                         return file_colormodel;
 189                 }
 190
 191                 return BC_RGB888;
 192         }
 193
 194         if( !device->single_frame ) {
 195                 switch( file_colormodel ) {
 196                 case BC_YUV420P:
 197                 case BC_YUV422P:
 198                 case BC_YUV422:
 199                         result = file_colormodel;
 200                         break;
 201                 }
 202         }
 203
 204         if( result < 0 ) {
 205                 switch( file_colormodel ) {
 206                 case BC_RGB888:
 207                 case BC_RGBA8888:
 208                 case BC_YUV888:
 209                 case BC_YUVA8888:
 210                 case BC_RGB_FLOAT:
 211                 case BC_RGBA_FLOAT:
 212                         result = file_colormodel;
 213                         break;
 214
 215                 default: {
 216                         BC_WindowBase *window = output->get_canvas();
 217                         result = window ? window->get_color_model() : BC_RGB888;
 218                         break; }
 219                 }
 220         }
 221
 222         return result;
 223 }
 224
 225
 226 void VDeviceX11::new_output_buffer(VFrame **result, int file_colormodel, EDL *edl)
 227 {
 228 // printf("VDeviceX11::new_output_buffer %d hardware_scaling=%d\n",
 229 // __LINE__, bitmap ? bitmap->hardware_scaling() : 0);
 230         BC_WindowBase *window =
 231                 output->lock_canvas("VDeviceX11::new_output_buffer");
 232 // Get the best colormodel the display can handle.
 233         int display_colormodel = get_display_colormodel(file_colormodel);
 234
 235 //printf("VDeviceX11::new_output_buffer %d file_colormodel=%d display_colormodel=%d\n",
 236 // __LINE__, file_colormodel, display_colormodel);
 237 // Only create OpenGL Pbuffer and texture.
 238         if( device->out_config->driver == PLAYBACK_X11_GL ) {
 239 // Create bitmap for initial load into texture.
 240 // Not necessary to do through Playback3D.....yet
 241                 if( !output_frame ) {
 242                         output_frame = new VFrame(device->out_w, device->out_h, file_colormodel);
 243                 }
 244
 245                 window_id = window->get_id();
 246                 output_frame->set_opengl_state(VFrame::RAM);
 247         }
 248         else {
 249                 output->get_transfers(edl,
 250                         output_x1, output_y1, output_x2, output_y2,
 251                         canvas_x1, canvas_y1, canvas_x2, canvas_y2,
 252 // Canvas may be a different size than the temporary bitmap for pure software
 253                         -1, -1);
 254                 canvas_w = canvas_x2 - canvas_x1;
 255                 canvas_h = canvas_y2 - canvas_y1;
 256 // can the direct frame be used?
 257                 int direct_supported =
 258                         device->out_config->use_direct_x11 &&
 259                         !output->xscroll && !output->yscroll &&
 260                         output_x1 == 0 && output_x2 == device->out_w &&
 261                         output_y1 == 0 && output_y2 == device->out_h;
 262
 263 // file wants direct frame but we need a temp
 264                 if( !direct_supported && file_colormodel == BC_BGR8888 )
 265                         file_colormodel = BC_RGB888;
 266
 267 // Conform existing bitmap to new colormodel and output size
 268                 if( bitmap ) {
 269 // printf("VDeviceX11::new_output_buffer %d bitmap=%dx%d canvas=%dx%d canvas=%dx%d\n",
 270 // __LINE__, bitmap->get_w(), bitmap->get_h(), canvas_w, canvas_h,);
 271                         int size_change = (
 272                                 bitmap->get_w() != canvas_w ||
 273                                 bitmap->get_h() != canvas_h );
 274
 275 // Restart if output size changed or output colormodel changed.
 276 // May have to recreate if transferring between windowed and fullscreen.
 277                         if( !color_model_selected ||
 278                             file_colormodel != output_frame->get_color_model() ||
 279                             (!bitmap->hardware_scaling() && size_change) ) {
 280 //printf("VDeviceX11::new_output_buffer %d file_colormodel=%d prev "
 281 // "file_colormodel=%d bitmap=%p output_frame=%p\n", __LINE__,
 282 // file_colormodel, output_frame->get_color_model(), bitmap, output_frame);
 283                                 delete bitmap;        bitmap = 0;
 284                                 delete output_frame;  output_frame = 0;
 285 // Clear borders if size changed
 286                                 if( size_change )
 287                                         output->clear_borders(edl);
 288                         }
 289                 }
 290
 291 // Create new bitmap
 292                 if( !bitmap ) {
 293                         int use_direct = 0;
 294                         bitmap_type = BITMAP_TEMP;
 295 //printf("VDeviceX11::new_output_buffer %d file_colormodel=%d display_colormodel=%d\n",
 296 // __LINE__, file_colormodel, display_colormodel);
 297
 298 // Try hardware accelerated
 299                         switch( display_colormodel ) {
 300 // blit from the codec directly to the window, using the standard X11 color model.
 301 // Must scale in the codec.  No cropping
 302                         case BC_BGR8888:
 303                                 if( direct_supported ) {
 304                                         bitmap_type = BITMAP_PRIMARY;
 305                                         use_direct = 1;
 306                                 }
 307                                 break;
 308
 309                         case BC_YUV420P:
 310                                 if( device->out_config->driver == PLAYBACK_X11_XV &&
 311                                     window->accel_available(display_colormodel, 0) &&
 312                                     !output->use_scrollbars )
 313                                         bitmap_type = BITMAP_PRIMARY;
 314                                 break;
 315
 316                         case BC_YUV422P:
 317                                 if( device->out_config->driver == PLAYBACK_X11_XV &&
 318                                     window->accel_available(display_colormodel, 0) &&
 319                                     !output->use_scrollbars )
 320                                         bitmap_type = BITMAP_PRIMARY;
 321                                 else if( device->out_config->driver == PLAYBACK_X11_XV &&
 322                                     window->accel_available(BC_YUV422, 0) ) {
 323                                         bitmap = new BC_Bitmap(window,
 324                                                 device->out_w, device->out_h, BC_YUV422, 1);
 325                                 }
 326                                 break;
 327
 328                         case BC_YUV422:
 329                                 if( device->out_config->driver == PLAYBACK_X11_XV &&
 330                                     window->accel_available(display_colormodel, 0) &&
 331                                     !output->use_scrollbars ) {
 332                                         bitmap_type = BITMAP_PRIMARY;
 333                                 }
 334                                 else if( device->out_config->driver == PLAYBACK_X11_XV &&
 335                                     window->accel_available(BC_YUV422P, 0) ) {
 336                                         bitmap = new BC_Bitmap(window,
 337                                                 device->out_w, device->out_h, BC_YUV422P, 1);
 338                                 }
 339                                 break;
 340                         }
 341                         if( bitmap_type == BITMAP_PRIMARY ) {
 342                                 int bitmap_w = use_direct ? canvas_w : device->out_w;
 343                                 int bitmap_h = use_direct ? canvas_h : device->out_h;
 344                                 bitmap = new BC_Bitmap(window,
 345                                         bitmap_w, bitmap_h,  display_colormodel, -1);
 346                                 output_frame = new VFrame(bitmap,
 347                                         bitmap_w, bitmap_h, display_colormodel, -1);
 348                         }
 349 // Make an intermediate frame
 350                         if( !bitmap ) {
 351                                 display_colormodel = window->get_color_model();
 352 // printf("VDeviceX11::new_output_buffer %d creating temp display_colormodel=%d "
 353 // "file_colormodel=%d %dx%d %dx%d %dx%d\n", __LINE__,
 354 // display_colormodel, file_colormodel, device->out_w, device->out_h,
 355 // window->get_w(), window->get_h(), canvas_w, canvas_h);
 356                                 bitmap = new BC_Bitmap(window,
 357                                         canvas_w, canvas_h, display_colormodel, 1);
 358                                 bitmap_type = BITMAP_TEMP;
 359                         }
 360
 361                         if( bitmap_type == BITMAP_TEMP ) {
 362 // Intermediate frame
 363 //printf("VDeviceX11::new_output_buffer %d creating output_frame\n", __LINE__);
 364                                 output_frame = new VFrame(device->out_w, device->out_h, file_colormodel);
 365                         }
 366                         color_model_selected = 1;
 367                 }
 368                 else if( bitmap_type == BITMAP_PRIMARY ) {
 369                         output_frame->set_memory(bitmap);
 370                 }
 371         }
 372
 373         *result = output_frame;
 374 //printf("VDeviceX11::new_output_buffer 10 %d\n", window->get_window_lock());
 375
 376         output->unlock_canvas();
 377 }
 378
 379
 380 int VDeviceX11::start_playback()
 381 {
 382 // Record window is initialized when its monitor starts.
 383         if( !device->single_frame )
 384                 output->start_video();
 385         return 0;
 386 }
 387
 388 int VDeviceX11::stop_playback()
 389 {
 390         if( !device->single_frame )
 391                 output->stop_video();
 392 // Record window goes back to monitoring
 393 // get the last frame played and store it in the video_out
 394         return 0;
 395 }
 396
 397 int VDeviceX11::write_buffer(VFrame *output_channels, EDL *edl)
 398 {
 399         BC_WindowBase *window =
 400                 output->lock_canvas("VDeviceX11::write_buffer");
 401 //      if( device->out_config->driver == PLAYBACK_X11_GL &&
 402 //          output_frame->get_color_model() != BC_RGB888 ) {
 403 // this is handled by overlay call in virtualvnode, using flatten alpha
 404 // invoked when is_nested = -1 is passed to vdevicex11->overlay(...)
 405 //      }
 406
 407 // printf("VDeviceX11::write_buffer %d %d bitmap_type=%d\n",
 408 // __LINE__,
 409 // window->get_video_on(),
 410 // bitmap_type);
 411
 412 //      int use_bitmap_extents = 0;
 413 //      canvas_w = -1;  canvas_h = -1;
 414 // // Canvas may be a different size than the temporary bitmap for pure software
 415 //      if( bitmap_type == BITMAP_TEMP && !bitmap->hardware_scaling() ) {
 416 //              canvas_w = bitmap->get_w();
 417 //              canvas_h = bitmap->get_h();
 418 //      }
 419 //
 420 //      output->get_transfers(edl,
 421 //              output_x1, output_y1, output_x2, output_y2,
 422 //              canvas_x1, canvas_y1, canvas_x2, canvas_y2,
 423 //              canvas_w, canvas_h);
 424
 425 // Convert colormodel
 426         if( bitmap_type == BITMAP_TEMP ) {
 427 // printf("VDeviceX11::write_buffer 1 %d %d, %d %d %d %d -> %d %d %d %d\n",
 428 //   output->w, output->h, in_x, in_y, in_w, in_h, out_x, out_y, out_w, out_h);
 429 // fflush(stdout);
 430
 431 // printf("VDeviceX11::write_buffer %d output_channels=%p\n", __LINE__, output_channels);
 432 // printf("VDeviceX11::write_buffer %d input color_model=%d output color_model=%d\n",
 433 // __LINE__, output_channels->get_color_model(), bitmap->get_color_model());
 434                 if( bitmap->hardware_scaling() ) {
 435                         BC_CModels::transfer(bitmap->get_row_pointers(), output_channels->get_rows(), 0, 0, 0,
 436                                 output_channels->get_y(), output_channels->get_u(), output_channels->get_v(),
 437                                 0, 0, output_channels->get_w(), output_channels->get_h(),
 438                                 0, 0, bitmap->get_w(), bitmap->get_h(),
 439                                 output_channels->get_color_model(), bitmap->get_color_model(),
 440                                 -1, output_channels->get_w(), bitmap->get_w());
 441                 }
 442                 else {
 443                         BC_CModels::transfer(bitmap->get_row_pointers(), output_channels->get_rows(), 0, 0, 0,
 444                                 output_channels->get_y(), output_channels->get_u(), output_channels->get_v(),
 445                                 (int)output_x1, (int)output_y1, (int)(output_x2 - output_x1), (int)(output_y2 - output_y1),
 446                                 0, 0, (int)(canvas_x2 - canvas_x1), (int)(canvas_y2 - canvas_y1),
 447                                 output_channels->get_color_model(), bitmap->get_color_model(),
 448                                 -1, output_channels->get_w(), bitmap->get_w());
 449                 }
 450         }
 451
 452 //printf("VDeviceX11::write_buffer 4 %p\n", bitmap);
 453 //for( i = 0; i < 1000; i += 4 ) bitmap->get_data()[i] = 128;
 454 //printf("VDeviceX11::write_buffer 2 %d %d %d\n", bitmap_type,
 455 //      bitmap->get_color_model(),
 456 //      output->get_color_model());fflush(stdout);
 457
 458 // printf("VDeviceX11::write_buffer %d %dx%d %f %f %f %f -> %f %f %f %f\n",
 459 // __LINE__, // output->w, output->h,
 460 // output_x1, output_y1, output_x2, output_y2,
 461 // canvas_x1, canvas_y1, canvas_x2, canvas_y2);
 462
 463 // Cause X server to display it
 464         if( device->out_config->driver == PLAYBACK_X11_GL ) {
 465 // Output is drawn in close_all if no video.
 466                 if( window->get_video_on() ) {
 467                         canvas_w = -1;  canvas_h = -1;
 468 // Canvas may be a different size than the temporary bitmap for pure software
 469                         if( bitmap_type == BITMAP_TEMP &&
 470                                 !bitmap->hardware_scaling() ) {
 471                                 canvas_w = bitmap->get_w();
 472                                 canvas_h = bitmap->get_h();
 473                         }
 474
 475                         output->get_transfers(edl,
 476                                 output_x1, output_y1, output_x2, output_y2,
 477                                 canvas_x1, canvas_y1, canvas_x2, canvas_y2,
 478                                 canvas_w, canvas_h);
 479
 480 //printf("VDeviceX11::write_buffer %d\n", __LINE__);
 481 // Draw output frame directly.  Not used for compositing.
 482                         output->unlock_canvas();
 483                         output->mwindow->playback_3d->write_buffer(output, output_frame,
 484                                 output_x1, output_y1, output_x2, output_y2,
 485                                 canvas_x1, canvas_y1, canvas_x2, canvas_y2,
 486                                 is_cleared);
 487                         is_cleared = 0;
 488                         return 0;
 489                 }
 490         }
 491         else {
 492                 if( bitmap->hardware_scaling() ) {
 493                         window->draw_bitmap(bitmap, !device->single_frame,
 494                                 (int)canvas_x1, (int)canvas_y1,
 495                                 (int)(canvas_x2 - canvas_x1), (int)(canvas_y2 - canvas_y1),
 496                                 (int)output_x1, (int)output_y1,
 497                                 (int)(output_x2 - output_x1), (int)(output_y2 - output_y1),
 498                                 0);
 499                 }
 500                 else {
 501 //printf("VDeviceX11::write_buffer %d x=%d y=%d w=%d h=%d\n",
 502 // __LINE__, (int)canvas_x1, (int)canvas_y1,
 503 // window->get_w(), window->get_h());
 504                         window->draw_bitmap(bitmap, !device->single_frame,
 505                                 (int)canvas_x1, (int)canvas_y1,
 506                                 (int)(canvas_x2 - canvas_x1), (int)(canvas_y2 - canvas_y1),
 507                                 0, 0,
 508                                 (int)(canvas_x2 - canvas_x1), (int)(canvas_y2 - canvas_y1),
 509                                 0);
 510 //printf("VDeviceX11::write_buffer %d bitmap=%p\n", __LINE__, bitmap);
 511                 }
 512         }
 513
 514         output->unlock_canvas();
 515         return 0;
 516 }
 517
 518
 519 void VDeviceX11::clear_output()
 520 {
 521         is_cleared = 1;
 522 // clear front and back buffers
 523         output->mwindow->playback_3d->clear_output(output, 0);
 524         output->mwindow->playback_3d->clear_output(output, output_frame);
 525 }
 526
 527
 528 void VDeviceX11::clear_input(VFrame *frame)
 529 {
 530         this->output->mwindow->playback_3d->clear_input(this->output, frame);
 531 }
 532
 533 void VDeviceX11::convert_cmodel(VFrame *output, int dst_cmodel)
 534 {
 535         this->output->mwindow->playback_3d->convert_cmodel(this->output,
 536                 output,
 537                 dst_cmodel);
 538 }
 539
 540 void VDeviceX11::do_camera(VFrame *output, VFrame *input,
 541         float in_x1, float in_y1, float in_x2, float in_y2,
 542         float out_x1, float out_y1, float out_x2, float out_y2)
 543 {
 544         this->output->mwindow->playback_3d->do_camera(this->output,
 545                 output, input,
 546                 in_x1, in_y1, in_x2, in_y2,
 547                 out_x1, out_y1, out_x2, out_y2);
 548 }
 549
 550
 551 void VDeviceX11::do_fade(VFrame *output_temp, float fade)
 552 {
 553         this->output->mwindow->playback_3d->do_fade(this->output, output_temp, fade);
 554 }
 555
 556 bool VDeviceX11::can_mask(int64_t start_position_project, MaskAutos *keyframe_set)
 557 {
 558         if( strncmp(BC_DisplayInfo::get_gl_shader_version(), "4.3", 3) < 0 )
 559                 return 0;
 560         Auto *current = 0;
 561         MaskAuto *keyframe = (MaskAuto*)keyframe_set->
 562                 get_prev_auto(start_position_project, PLAY_FORWARD, current);
 563         return keyframe->disable_opengl_masking ? 0 : 1;
 564 }
 565
 566 void VDeviceX11::do_mask(VFrame *output_temp, int64_t start_position_project,
 567                 MaskAutos *keyframe_set, MaskAuto *keyframe, MaskAuto *default_auto)
 568 {
 569         this->output->mwindow->playback_3d->do_mask(output, output_temp,
 570                 start_position_project, keyframe_set, keyframe, default_auto);
 571 }
 572
 573 void VDeviceX11::overlay(VFrame *output_frame, VFrame *input,
 574                 float in_x1, float in_y1, float in_x2, float in_y2,
 575                 float out_x1, float out_y1, float out_x2, float out_y2,
 576                 float alpha, int mode, EDL *edl, int is_nested)
 577 {
 578         int interpolation_type = edl->session->interpolation_type;
 579         output->mwindow->playback_3d->overlay(output, input,
 580                 in_x1, in_y1, in_x2, in_y2,
 581                 out_x1, out_y1, out_x2, out_y2, alpha, // 0 - 1
 582                 mode, interpolation_type, output_frame, is_nested);
 583 }
 584
 585 void VDeviceX11::run_plugin(PluginClient *client)
 586 {
 587         output->mwindow->playback_3d->run_plugin(output, client);
 588 }
 589
 590 void VDeviceX11::copy_frame(VFrame *dst, VFrame *src)
 591 {
 592         output->mwindow->playback_3d->copy_from(output, dst, src, 1);
 593 }
 594