cinelerra-5.1/cinelerra/vdevicex11.C

   1
   2 /*
   3  * CINELERRA
   4  * Copyright (C) 2008 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 "auto.h"
  24 #include "bccapture.h"
  25 #include "bcsignals.h"
  26 #include "canvas.h"
  27 #include "bccmodels.h"
  28 #include "edl.h"
  29 #include "edlsession.h"
  30 #include "maskautos.h"
  31 #include "maskauto.h"
  32 #include "mwindow.h"
  33 #include "playback3d.h"
  34 #include "playbackconfig.h"
  35 #include "preferences.h"
  36 #include "recordconfig.h"
  37 #include "strategies.inc"
  38 #include "vdevicex11.h"
  39 #include "vframe.h"
  40 #include "videodevice.h"
  41 #include "videowindow.h"
  42 #include "videowindowgui.h"
  43
  44 #include <string.h>
  45 #include <unistd.h>
  46
  47 VDeviceX11::VDeviceX11(VideoDevice *device, Canvas *output)
  48  : VDeviceBase(device)
  49 {
  50         reset_parameters();
  51         this->output = output;
  52 }
  53
  54 VDeviceX11::~VDeviceX11()
  55 {
  56         close_all();
  57 }
  58
  59 int VDeviceX11::reset_parameters()
  60 {
  61         output_frame = 0;
  62         window_id = 0;
  63         bitmap = 0;
  64         bitmap_type = 0;
  65         bitmap_w = 0;
  66         bitmap_h = 0;
  67         output_x1 = 0;
  68         output_y1 = 0;
  69         output_x2 = 0;
  70         output_y2 = 0;
  71         canvas_x1 = 0;
  72         canvas_y1 = 0;
  73         canvas_x2 = 0;
  74         canvas_y2 = 0;
  75         capture_bitmap = 0;
  76         color_model_selected = 0;
  77         is_cleared = 0;
  78         return 0;
  79 }
  80
  81 int VDeviceX11::open_input()
  82 {
  83 //printf("VDeviceX11::open_input 1\n");
  84         capture_bitmap = new BC_Capture(device->in_config->w,
  85                 device->in_config->h,
  86                 device->in_config->screencapture_display);
  87 //printf("VDeviceX11::open_input 2\n");
  88
  89         return 0;
  90 }
  91
  92 int VDeviceX11::open_output()
  93 {
  94         if(output)
  95         {
  96                 output->lock_canvas("VDeviceX11::open_output");
  97                 output->get_canvas()->lock_window("VDeviceX11::open_output");
  98                 if(!device->single_frame)
  99                         output->start_video();
 100                 else
 101                         output->start_single();
 102                 output->get_canvas()->unlock_window();
 103
 104 // Enable opengl in the first routine that needs it, to reduce the complexity.
 105
 106                 output->unlock_canvas();
 107         }
 108         return 0;
 109 }
 110
 111
 112 int VDeviceX11::output_visible()
 113 {
 114         if(!output) return 0;
 115
 116         output->lock_canvas("VDeviceX11::output_visible");
 117         if(output->get_canvas()->get_hidden())
 118         {
 119                 output->unlock_canvas();
 120                 return 0;
 121         }
 122         else
 123         {
 124                 output->unlock_canvas();
 125                 return 1;
 126         }
 127 }
 128
 129
 130 int VDeviceX11::close_all()
 131 {
 132         if(output)
 133         {
 134                 output->lock_canvas("VDeviceX11::close_all 1");
 135                 output->get_canvas()->lock_window("VDeviceX11::close_all 1");
 136         }
 137
 138         if(output && output_frame)
 139         {
 140 // Copy our output frame buffer to the canvas's permanent frame buffer.
 141 // They must be different buffers because the output frame is being written
 142 // while the user is redrawing the canvas frame buffer over and over.
 143
 144                 int use_opengl = device->out_config->driver == PLAYBACK_X11_GL &&
 145                         output_frame->get_opengl_state() == VFrame::SCREEN;
 146                 int best_color_model = output_frame->get_color_model();
 147
 148 // OpenGL does YUV->RGB in the compositing step
 149                 if(use_opengl)
 150                         best_color_model = BC_RGB888;
 151
 152                 if(output->refresh_frame &&
 153                         (output->refresh_frame->get_w() != device->out_w ||
 154                         output->refresh_frame->get_h() != device->out_h ||
 155                         output->refresh_frame->get_color_model() != best_color_model))
 156                 {
 157                         delete output->refresh_frame;
 158                         output->refresh_frame = 0;
 159                 }
 160
 161                 if(!output->refresh_frame)
 162                 {
 163                         output->refresh_frame = new VFrame(0, -1,
 164                                 device->out_w, device->out_h,
 165                                 best_color_model, -1);
 166                 }
 167
 168                 if(use_opengl)
 169                 {
 170                         output->get_canvas()->unlock_window();
 171                         output->unlock_canvas();
 172
 173                         output->mwindow->playback_3d->copy_from(output,
 174                                 output->refresh_frame, output_frame, 0);
 175                         output->lock_canvas("VDeviceX11::close_all 2");
 176                         output->get_canvas()->lock_window("VDeviceX11::close_all 2");
 177                 }
 178                 else
 179                         output->refresh_frame->copy_from(output_frame);
 180
 181 // // Update the status bug
 182 //              if(!device->single_frame)
 183 //              {
 184 //                      output->stop_video();
 185 //              }
 186 //              else
 187 //              {
 188 //                      output->stop_single();
 189 //              }
 190
 191 // Draw the first refresh with new frame.
 192 // Doesn't work if video and openGL because OpenGL doesn't have
 193 // the output buffer for video.
 194 // Not necessary for any case if we mandate a frame advance after
 195 // every stop.
 196                 if(/* device->out_config->driver != PLAYBACK_X11_GL ||
 197                         */ device->single_frame)
 198                         output->draw_refresh();
 199         }
 200
 201
 202
 203
 204         if(bitmap)
 205         {
 206                 delete bitmap;
 207                 bitmap = 0;
 208         }
 209
 210         if(output_frame)
 211         {
 212                 delete output_frame;
 213                 output_frame = 0;
 214         }
 215
 216         if(capture_bitmap) delete capture_bitmap;
 217
 218         if(output)
 219         {
 220
 221 // Update the status bug
 222                 if(!device->single_frame)
 223                 {
 224                         output->stop_video();
 225                 }
 226                 else
 227                 {
 228                         output->stop_single();
 229                 }
 230
 231                 output->get_canvas()->unlock_window();
 232                 output->unlock_canvas();
 233         }
 234
 235
 236         reset_parameters();
 237         return 0;
 238 }
 239
 240 int VDeviceX11::read_buffer(VFrame *frame)
 241 {
 242         capture_bitmap->capture_frame(frame, device->input_x, device->input_y);
 243         return 0;
 244 }
 245
 246
 247 int VDeviceX11::get_best_colormodel(Asset *asset)
 248 {
 249         return BC_RGB888;
 250 }
 251
 252
 253 int VDeviceX11::get_best_colormodel(int colormodel)
 254 {
 255         int result = -1;
 256
 257         if(device->out_config->driver == PLAYBACK_X11_GL)
 258         {
 259                 if(colormodel == BC_RGB888 ||
 260                         colormodel == BC_RGBA8888 ||
 261                         colormodel == BC_YUV888 ||
 262                         colormodel == BC_YUVA8888 ||
 263                         colormodel == BC_RGB_FLOAT ||
 264                         colormodel == BC_RGBA_FLOAT)
 265                 {
 266                         return colormodel;
 267                 }
 268                 return BC_RGB888;
 269         }
 270
 271         if(!device->single_frame)
 272         {
 273                 switch(colormodel)
 274                 {
 275                         case BC_YUV420P:
 276                         case BC_YUV422P:
 277                         case BC_YUV422:
 278                                 result = colormodel;
 279                                 break;
 280                 }
 281         }
 282
 283 // 2 more colormodels are supported by OpenGL
 284         if(device->out_config->driver == PLAYBACK_X11_GL)
 285         {
 286                 if(colormodel == BC_RGB_FLOAT ||
 287                         colormodel == BC_RGBA_FLOAT)
 288                         result = colormodel;
 289         }
 290
 291         if(result < 0)
 292         {
 293                 switch(colormodel)
 294                 {
 295                         case BC_RGB888:
 296                         case BC_RGBA8888:
 297                         case BC_YUV888:
 298                         case BC_YUVA8888:
 299                                 result = colormodel;
 300                                 break;
 301
 302                         default:
 303                                 output->lock_canvas("VDeviceX11::get_best_colormodel");
 304                                 result = output->get_canvas()->get_color_model();
 305                                 output->unlock_canvas();
 306                                 break;
 307                 }
 308         }
 309
 310         return result;
 311 }
 312
 313
 314 void VDeviceX11::new_output_buffer(VFrame **result, int colormodel)
 315 {
 316 //printf("VDeviceX11::new_output_buffer 1\n");
 317         output->lock_canvas("VDeviceX11::new_output_buffer");
 318         output->get_canvas()->lock_window("VDeviceX11::new_output_buffer 1");
 319
 320 // Get the best colormodel the display can handle.
 321         int best_colormodel = get_best_colormodel(colormodel);
 322
 323 // Only create OpenGL Pbuffer and texture.
 324         if( device->out_config->driver == PLAYBACK_X11_GL ) {
 325 // Create bitmap for initial load into texture.
 326 // Not necessary to do through Playback3D.....yet
 327                 if( !output_frame ) {
 328                         output_frame = new VFrame(0, -1,
 329                                 device->out_w, device->out_h, colormodel, -1);
 330 //BUFFER2(output_frame->get_rows()[0], "VDeviceX11::new_output_buffer 1");
 331                 }
 332
 333                 window_id = output->get_canvas()->get_id();
 334                 output_frame->set_opengl_state(VFrame::RAM);
 335         }
 336         else {
 337 // Conform existing bitmap to new colormodel and output size
 338                 if( bitmap ) {
 339 // Restart if output size changed or output colormodel changed.
 340 // May have to recreate if transferring between windowed and fullscreen.
 341                         if( !color_model_selected || ( !bitmap->hardware_scaling() &&
 342                                 (bitmap->get_w() != output->get_canvas()->get_w() ||
 343                                  bitmap->get_h() != output->get_canvas()->get_h()) ) ||
 344                             colormodel != output_frame->get_color_model() ) {
 345                                 int size_change =
 346                                         bitmap->get_w() != output->get_canvas()->get_w() ||
 347                                         bitmap->get_h() != output->get_canvas()->get_h();
 348 //printf("VDeviceX11::new_output_buffer %d\n", __LINE__);
 349                                 delete bitmap;        bitmap = 0;
 350                                 delete output_frame;  output_frame = 0;
 351
 352 // Blank only if size changed
 353                                 if( size_change ) {
 354                                         output->get_canvas()->set_color(BLACK);
 355                                         output->get_canvas()->draw_box(0, 0, output->w, output->h);
 356                                         output->get_canvas()->flash();
 357                                 }
 358                         }
 359                 }
 360
 361 // Create new bitmap
 362                 if( !bitmap ) {
 363 // Try hardware accelerated
 364                         bitmap_type = BITMAP_TEMP;
 365                         switch( best_colormodel ) {
 366                         case BC_YUV420P:
 367                                 if( device->out_config->driver == PLAYBACK_X11_XV &&
 368                                     output->get_canvas()->accel_available(best_colormodel, 0) &&
 369                                     !output->use_scrollbars )
 370                                         bitmap_type = BITMAP_PRIMARY;
 371                                 break;
 372
 373                         case BC_YUV422P:
 374                                 if( device->out_config->driver == PLAYBACK_X11_XV &&
 375                                     output->get_canvas()->accel_available(best_colormodel, 0) &&
 376                                     !output->use_scrollbars )
 377                                         bitmap_type = BITMAP_PRIMARY;
 378                                 else if( device->out_config->driver == PLAYBACK_X11_XV &&
 379                                     output->get_canvas()->accel_available(BC_YUV422, 0) ) {
 380                                         bitmap = new BC_Bitmap(output->get_canvas(),
 381                                                 device->out_w, device->out_h, BC_YUV422, 1);
 382                                 }
 383                                 break;
 384
 385                         case BC_YUV422:
 386                                 if( device->out_config->driver == PLAYBACK_X11_XV &&
 387                                     output->get_canvas()->accel_available(best_colormodel, 0) &&
 388                                     !output->use_scrollbars )
 389                                         bitmap_type = BITMAP_PRIMARY;
 390                                 else if( device->out_config->driver == PLAYBACK_X11_XV &&
 391                                     output->get_canvas()->accel_available(BC_YUV422P, 0) ) {
 392                                         bitmap = new BC_Bitmap(output->get_canvas(),
 393                                                 device->out_w, device->out_h, BC_YUV422P, 1);
 394                                 }
 395                                 break;
 396                         }
 397                         if( bitmap_type == BITMAP_PRIMARY ) {
 398                                 bitmap = new BC_Bitmap(output->get_canvas(),
 399                                         device->out_w, device->out_h, best_colormodel, 1);
 400                                 output_frame = new VFrame(bitmap,
 401                                         device->out_w, device->out_h, best_colormodel, -1);
 402                         }
 403                         else {
 404 // Try default colormodel
 405                                 best_colormodel = output->get_canvas()->get_color_model();
 406                                 bitmap = new BC_Bitmap(output->get_canvas(),
 407                                         output->get_canvas()->get_w(), output->get_canvas()->get_h(),
 408                                         best_colormodel, 1);
 409 // Intermediate frame
 410                                 output_frame = new VFrame(0, -1,
 411                                         device->out_w, device->out_h, colormodel, -1);
 412                         }
 413
 414                         color_model_selected = 1;
 415                 }
 416                 else if( bitmap_type == BITMAP_PRIMARY ) {
 417 // Update the ring buffer
 418                         output_frame->set_memory(bitmap);
 419                 }
 420         }
 421
 422         *result = output_frame;
 423 //printf("VDeviceX11::new_output_buffer 10 %d\n", output->get_canvas()->get_window_lock());
 424
 425         output->get_canvas()->unlock_window();
 426         output->unlock_canvas();
 427 }
 428
 429
 430 int VDeviceX11::start_playback()
 431 {
 432 // Record window is initialized when its monitor starts.
 433         if(!device->single_frame)
 434                 output->start_video();
 435         return 0;
 436 }
 437
 438 int VDeviceX11::stop_playback()
 439 {
 440         if(!device->single_frame)
 441                 output->stop_video();
 442 // Record window goes back to monitoring
 443 // get the last frame played and store it in the video_out
 444         return 0;
 445 }
 446
 447 int VDeviceX11::write_buffer(VFrame *output_channels, EDL *edl)
 448 {
 449 // The reason for not drawing single frame is that it is _always_ drawn
 450 // when drawing draw_refresh in cwindowgui and vwindowgui
 451         if( device->single_frame )
 452                 return 0;
 453
 454         output->lock_canvas("VDeviceX11::write_buffer");
 455         output->get_canvas()->lock_window("VDeviceX11::write_buffer 1");
 456
 457 // Canvas may be a different size than the temporary bitmap for pure software
 458         int xfr_w, xfr_h;
 459         if(bitmap_type == BITMAP_TEMP && !bitmap->hardware_scaling()) {
 460                 xfr_w = bitmap->get_w();
 461                 xfr_h = bitmap->get_h();
 462         }
 463         else
 464                 xfr_w = xfr_h = -1;
 465
 466 //printf("VDeviceX11::write_buffer %d %d\n", __LINE__, output->get_canvas()->get_video_on());
 467         output->get_transfers(edl, output_x1, output_y1, output_x2, output_y2,
 468                 canvas_x1, canvas_y1, canvas_x2, canvas_y2, xfr_w, xfr_h);
 469
 470 // Convert colormodel
 471 #if 0
 472 // this is handled by overlay call in virtualvnode, using flatten alpha
 473 // invoked when is_nested = -1 is passed to vdevicex11->overlay(...)
 474         if(device->out_config->driver == PLAYBACK_X11_GL &&
 475             output_frame->get_color_model() != BC_RGB888) {
 476                 int cmodel = BC_RGB888;
 477                 output->get_canvas()->unlock_window();
 478                 output->unlock_canvas();
 479                 output->mwindow->playback_3d->convert_cmodel(output, output_frame, cmodel);
 480                 output_frame->reallocate(0,-1,0,0,0,output_frame->get_w(),output_frame->get_h(),cmodel,-1);
 481                 output->lock_canvas("VDeviceX11::write_buffer 3");
 482                 output->get_canvas()->lock_window("VDeviceX11::write_buffer 3");
 483         }
 484         else
 485 #endif
 486         if( bitmap_type == BITMAP_TEMP ) {
 487 // printf("VDeviceX11::write_buffer 1 %d %d, %d %d %d %d -> %d %d %d %d\n",
 488 //  output->w, output->h, in_x, in_y, in_w, in_h, out_x, out_y, out_w, out_h );
 489 // fflush(stdout);
 490 //printf("VDeviceX11::write_buffer %d output_channels=%p\n", __LINE__, output_channels);
 491                 if( bitmap->hardware_scaling() ) {
 492                         BC_CModels::transfer(bitmap->get_row_pointers(), output_channels->get_rows(),
 493                                 0, 0, 0, output_channels->get_y(), output_channels->get_u(), output_channels->get_v(),
 494                                 0, 0, output_channels->get_w(), output_channels->get_h(),
 495                                 0, 0, bitmap->get_w(), bitmap->get_h(),
 496                                 output_channels->get_color_model(), bitmap->get_color_model(),
 497                                 0, output_channels->get_w(), bitmap->get_w());
 498                 }
 499                 else {
 500                         BC_CModels::transfer(bitmap->get_row_pointers(), output_channels->get_rows(),
 501                                 0, 0, 0, output_channels->get_y(), output_channels->get_u(), output_channels->get_v(),
 502                                 (int)output_x1, (int)output_y1, (int)(output_x2 - output_x1), (int)(output_y2 - output_y1),
 503                                 0, 0, (int)(canvas_x2 - canvas_x1), (int)(canvas_y2 - canvas_y1),
 504                                 output_channels->get_color_model(), bitmap->get_color_model(),
 505                                 0, output_channels->get_w(), bitmap->get_w());
 506                 }
 507         }
 508
 509 //printf("VDeviceX11::write_buffer 4 %p\n", bitmap);
 510 //for(i = 0; i < 1000; i += 4) bitmap->get_data()[i] = 128;
 511 //printf("VDeviceX11::write_buffer 2 %d %d %d\n", bitmap_type,
 512 //  bitmap->get_color_model(), output->get_color_model());
 513 //fflush(stdout);
 514 //printf("VDeviceX11::write_buffer 2 %d %d, %f %f %f %f -> %f %f %f %f\n",
 515 // output->w, output->h, output_x1, output_y1, output_x2, output_y2,
 516 // canvas_x1, canvas_y1, canvas_x2, canvas_y2);
 517
 518 // Cause X server to display it
 519         if( device->out_config->driver == PLAYBACK_X11_GL ) {
 520 // Output is drawn in close_all if no video.
 521                 if( output->get_canvas()->get_video_on() ) {
 522 // Draw output frame directly.  Not used for compositing.
 523                         output->get_canvas()->unlock_window();
 524                         output->unlock_canvas();
 525                         output->mwindow->playback_3d->write_buffer(output,
 526                                 output_frame, output_x1, output_y1, output_x2, output_y2,
 527                                 canvas_x1, canvas_y1, canvas_x2, canvas_y2, is_cleared);
 528                         is_cleared = 0;
 529                         output->lock_canvas("VDeviceX11::write_buffer 2");
 530                         output->get_canvas()->lock_window("VDeviceX11::write_buffer 2");
 531                 }
 532         }
 533         else if( bitmap->hardware_scaling() ) {
 534                 output->get_canvas()->draw_bitmap(bitmap, !device->single_frame,
 535                         (int)canvas_x1, (int)canvas_y1,
 536                         (int)(canvas_x2 - canvas_x1), (int)(canvas_y2 - canvas_y1),
 537                         (int)output_x1, (int)output_y1,
 538                         (int)(output_x2 - output_x1), (int)(output_y2 - output_y1), 0);
 539         }
 540         else {
 541                 output->get_canvas()->draw_bitmap(bitmap, !device->single_frame,
 542                         (int)canvas_x1, (int)canvas_y1,
 543                         (int)(canvas_x2 - canvas_x1), (int)(canvas_y2 - canvas_y1), 0, 0,
 544                         (int)(canvas_x2 - canvas_x1), (int)(canvas_y2 - canvas_y1), 0);
 545         }
 546
 547
 548         output->get_canvas()->unlock_window();
 549         output->unlock_canvas();
 550         return 0;
 551 }
 552
 553
 554 void VDeviceX11::clear_output()
 555 {
 556         is_cleared = 1;
 557
 558         output->mwindow->playback_3d->clear_output(output,
 559                 output->get_canvas()->get_video_on() ? 0 : output_frame);
 560
 561 }
 562
 563
 564 void VDeviceX11::clear_input(VFrame *frame)
 565 {
 566         this->output->mwindow->playback_3d->clear_input(this->output, frame);
 567 }
 568
 569 void VDeviceX11::convert_cmodel(VFrame *output, int dst_cmodel)
 570 {
 571         this->output->mwindow->playback_3d->convert_cmodel(this->output,
 572                 output,
 573                 dst_cmodel);
 574 }
 575
 576 void VDeviceX11::do_camera(VFrame *output, VFrame *input,
 577         float in_x1, float in_y1, float in_x2, float in_y2,
 578         float out_x1, float out_y1, float out_x2, float out_y2)
 579 {
 580         this->output->mwindow->playback_3d->do_camera(
 581                 this->output, output, input,
 582                 in_x1, in_y1, in_x2, in_y2,
 583                 out_x1, out_y1, out_x2, out_y2);
 584 }
 585
 586
 587 void VDeviceX11::do_fade(VFrame *output_temp, float fade)
 588 {
 589         this->output->mwindow->playback_3d->do_fade(this->output, output_temp, fade);
 590 }
 591
 592 bool VDeviceX11::can_mask(int64_t start_position_project, MaskAutos *keyframe_set)
 593 {
 594         Auto *current = 0;
 595         MaskAuto *keyframe = (MaskAuto*)keyframe_set->
 596                 get_prev_auto(start_position_project, PLAY_FORWARD, current);
 597         return keyframe->disable_opengl_masking ? 0 : 1;
 598 }
 599
 600 void VDeviceX11::do_mask(VFrame *output_temp,
 601         int64_t start_position_project, MaskAutos *keyframe_set,
 602         MaskAuto *keyframe, MaskAuto *default_auto)
 603 {
 604         this->output->mwindow->playback_3d->do_mask(output,
 605                 output_temp, start_position_project,
 606                 keyframe_set, keyframe, default_auto);
 607 }
 608
 609 void VDeviceX11::overlay(VFrame *output_frame, VFrame *input,
 610 // This is the transfer from track to output frame
 611                 float in_x1, float in_y1, float in_x2, float in_y2,
 612                 float out_x1, float out_y1, float out_x2, float out_y2,
 613                 float alpha /*0-1*/, int mode, EDL *edl, int is_nested)
 614 {
 615         int interpolation_type = edl->session->interpolation_type;
 616
 617 // printf("VDeviceX11::overlay 1:\n"
 618 // "in_x1=%f in_y1=%f in_x2=%f in_y2=%f\n"
 619 // "out_x1=%f out_y1=%f out_x2=%f out_y2=%f\n",
 620 // in_x1, in_y1, in_x2, in_y2,
 621 // out_x1, out_y1, out_x2, out_y2);
 622 // Convert node coords to canvas coords in here
 623
 624 // If single frame playback or nested EDL, use full sized PBuffer as output.
 625         if(device->single_frame || is_nested > 0)
 626         {
 627                 output->mwindow->playback_3d->overlay(output, input,
 628                         in_x1, in_y1, in_x2, in_y2,
 629                         out_x1, out_y1, out_x2, out_y2,
 630                         alpha, mode, interpolation_type,
 631                         output_frame, is_nested);
 632 // printf("VDeviceX11::overlay 1 %p %d %d %d\n",
 633 // output_frame,
 634 // output_frame->get_w(),
 635 // output_frame->get_h(),
 636 // output_frame->get_opengl_state());
 637         }
 638         else
 639         {
 640                 output->lock_canvas("VDeviceX11::overlay");
 641                 output->get_canvas()->lock_window("VDeviceX11::overlay");
 642
 643 // This is the transfer from output frame to canvas
 644                 output->get_transfers(edl,
 645                         output_x1, output_y1, output_x2, output_y2,
 646                         canvas_x1, canvas_y1, canvas_x2, canvas_y2,
 647                         -1, -1);
 648
 649                 output->get_canvas()->unlock_window();
 650                 output->unlock_canvas();
 651
 652
 653 // Get transfer from track to canvas
 654                 float track_xscale = (out_x2 - out_x1) / (in_x2 - in_x1);
 655                 float track_yscale = (out_y2 - out_y1) / (in_y2 - in_y1);
 656                 float canvas_xscale = (float)(canvas_x2 - canvas_x1) / (output_x2 - output_x1);
 657                 float canvas_yscale = (float)(canvas_y2 - canvas_y1) / (output_y2 - output_y1);
 658
 659
 660 // Get coordinates of canvas relative to track frame
 661                 float track_x1 = (float)(output_x1 - out_x1) / track_xscale + in_x1;
 662                 float track_y1 = (float)(output_y1 - out_y1) / track_yscale + in_y1;
 663                 float track_x2 = (float)(output_x2 - out_x2) / track_xscale + in_x2;
 664                 float track_y2 = (float)(output_y2 - out_y2) / track_yscale + in_y2;
 665
 666 // Clamp canvas coords to track boundary
 667                 if(track_x1 < 0)
 668                 {
 669                         float difference = -track_x1;
 670                         track_x1 += difference;
 671                         canvas_x1 += difference * track_xscale * canvas_xscale;
 672                 }
 673                 if(track_y1 < 0)
 674                 {
 675                         float difference = -track_y1;
 676                         track_y1 += difference;
 677                         canvas_y1 += difference * track_yscale * canvas_yscale;
 678                 }
 679
 680                 if(track_x2 > input->get_w())
 681                 {
 682                         float difference = track_x2 - input->get_w();
 683                         track_x2 -= difference;
 684                         canvas_x2 -= difference * track_xscale * canvas_xscale;
 685                 }
 686                 if(track_y2 > input->get_h())
 687                 {
 688                         float difference = track_y2 - input->get_h();
 689                         track_y2 -= difference;
 690                         canvas_y2 -= difference * track_yscale * canvas_yscale;
 691                 }
 692
 693 // Overlay directly from track buffer to canvas, skipping output buffer
 694                 if(track_x2 > track_x1 && track_y2 > track_y1 &&
 695                         canvas_x2 > canvas_x1 && canvas_y2 > canvas_y1)
 696                 {
 697                         output->mwindow->playback_3d->overlay(output, input,
 698                                 track_x1, track_y1, track_x2, track_y2,
 699                                 canvas_x1, canvas_y1, canvas_x2, canvas_y2,
 700                                 alpha, mode, interpolation_type, 0, is_nested);
 701                 }
 702         }
 703 }
 704
 705 void VDeviceX11::run_plugin(PluginClient *client)
 706 {
 707         output->mwindow->playback_3d->run_plugin(output, client);
 708 }
 709
 710 void VDeviceX11::copy_frame(VFrame *dst, VFrame *src)
 711 {
 712         output->mwindow->playback_3d->copy_from(output, dst, src, 1);
 713 }
 714