hvirtual/cinelerra/vdevicex11.C

   1 #include "assets.h"
   2 #include "bccapture.h"
   3 #include "canvas.h"
   4 #include "colormodels.h"
   5 #include "mwindow.h"
   6 #include "playbackconfig.h"
   7 #include "preferences.h"
   8 #include "recordconfig.h"
   9 #include "strategies.inc"
  10 #include "vdevicex11.h"
  11 #include "vframe.h"
  12 #include "videodevice.h"
  13 #include "videowindow.h"
  14 #include "videowindowgui.h"
  15
  16 #include <string.h>
  17 #include <unistd.h>
  18
  19 VDeviceX11::VDeviceX11(VideoDevice *device, Canvas *output)
  20  : VDeviceBase(device)
  21 {
  22         reset_parameters();
  23         this->output = output;
  24 }
  25
  26 VDeviceX11::~VDeviceX11()
  27 {
  28         close_all();
  29 }
  30
  31 int VDeviceX11::reset_parameters()
  32 {
  33         output_frame = 0;
  34         bitmap = 0;
  35         bitmap_w = 0;
  36         bitmap_h = 0;
  37         output = 0;
  38         in_x = 0;
  39         in_y = 0;
  40         in_w = 0;
  41         in_h = 0;
  42         out_x = 0;
  43         out_y = 0;
  44         out_w = 0;
  45         out_h = 0;
  46         capture_bitmap = 0;
  47         color_model_selected = 0;
  48         return 0;
  49 }
  50
  51 int VDeviceX11::open_input()
  52 {
  53 //printf("VDeviceX11::open_input 1\n");
  54         capture_bitmap = new BC_Capture(device->in_config->w,
  55                 device->in_config->h,
  56                 device->in_config->screencapture_display);
  57 //printf("VDeviceX11::open_input 2\n");
  58
  59         return 0;
  60 }
  61
  62 int VDeviceX11::open_output()
  63 {
  64         if(output && !device->single_frame)
  65                 output->canvas->start_video();
  66         return 0;
  67 }
  68
  69
  70 int VDeviceX11::output_visible()
  71 {
  72         if(!output || output->canvas->get_hidden())
  73                 return 0;
  74         else
  75                 return 1;
  76 }
  77
  78
  79 int VDeviceX11::close_all()
  80 {
  81         if(output)
  82         {
  83                 output->canvas->lock_window("VDeviceX11::close_all");
  84         }
  85
  86         if(output && output_frame)
  87         {
  88 // Copy picture to persistent frame buffer with conversion to flat colormodel
  89                 if(output->refresh_frame &&
  90                         (output->refresh_frame->get_w() != device->out_w ||
  91                         output->refresh_frame->get_h() != device->out_h ||
  92                         output->refresh_frame->get_color_model() != output_frame->get_color_model()))
  93                 {
  94                         delete output->refresh_frame;
  95                         output->refresh_frame = 0;
  96                 }
  97
  98                 if(!output->refresh_frame)
  99                 {
 100                         output->refresh_frame = new VFrame(0,
 101                                 device->out_w,
 102                                 device->out_h,
 103                                 output_frame->get_color_model());
 104                 }
 105
 106                 if(!device->single_frame)
 107                 {
 108                         output->canvas->stop_video();
 109                 }
 110
 111                 output->refresh_frame->copy_from(output_frame);
 112
 113                 output->draw_refresh();
 114         }
 115
 116         if(bitmap)
 117         {
 118                 delete bitmap;
 119                 delete output_frame;
 120                 bitmap = 0;
 121         }
 122
 123         if(capture_bitmap) delete capture_bitmap;
 124
 125         if(output)
 126         {
 127                 output->canvas->unlock_window();
 128         }
 129
 130
 131         reset_parameters();
 132         return 0;
 133 }
 134
 135 int VDeviceX11::read_buffer(VFrame *frame)
 136 {
 137         capture_bitmap->capture_frame(frame, device->input_x, device->input_y);
 138         return 0;
 139 }
 140
 141
 142 int VDeviceX11::get_best_colormodel(Asset *asset)
 143 {
 144         return BC_RGB888;
 145 }
 146
 147
 148 int VDeviceX11::get_best_colormodel(int colormodel)
 149 {
 150         int result = -1;
 151         if(!device->single_frame)
 152         {
 153                 switch(colormodel)
 154                 {
 155                         case BC_YUV420P:
 156                         case BC_YUV422P:
 157                         case BC_YUV422:
 158                                 result = colormodel;
 159                                 break;
 160                 }
 161         }
 162
 163         if(result < 0)
 164         {
 165                 switch(colormodel)
 166                 {
 167                         case BC_RGB888:
 168                         case BC_RGBA8888:
 169                         case BC_RGB161616:
 170                         case BC_RGBA16161616:
 171                         case BC_YUV888:
 172                         case BC_YUVA8888:
 173                         case BC_YUV161616:
 174                         case BC_YUVA16161616:
 175                                 result = colormodel;
 176                                 break;
 177
 178                         default:
 179                                 result = output->canvas->get_color_model();
 180                                 break;
 181                 }
 182         }
 183
 184 //printf("VDeviceX11::get_best_colormodel %d %d %d\n", device->single_frame, colormodel, result);
 185         return result;
 186 }
 187
 188
 189 void VDeviceX11::new_output_buffer(VFrame **output_channels, int colormodel)
 190 {
 191         for(int i = 0; i < MAX_CHANNELS; i++)
 192                 output_channels[i] = 0;
 193 //printf("VDeviceX11::new_output_buffer 1\n");
 194
 195 // Get the best colormodel the display can handle.
 196         int best_colormodel = get_best_colormodel(colormodel);
 197 //printf("VDeviceX11::new_output_buffer 2 %d\n", best_colormodel);
 198
 199 // Conform existing bitmap to new colormodel and output size
 200         if(bitmap)
 201         {
 202 // Restart if output size changed or output colormodel changed
 203                 if(!color_model_selected ||
 204                         (!bitmap->hardware_scaling() &&
 205                                 (bitmap->get_w() != output->canvas->get_w() ||
 206                                 bitmap->get_h() != output->canvas->get_h())) ||
 207                         colormodel != output_frame->get_color_model())
 208                 {
 209                         int size_change = (bitmap->get_w() != output->canvas->get_w() ||
 210                                 bitmap->get_h() != output->canvas->get_h());
 211                         delete bitmap;
 212                         delete output_frame;
 213                         bitmap = 0;
 214                         output_frame = 0;
 215
 216 // Blank only if size changed
 217                         if(size_change)
 218                         {
 219                                 output->canvas->set_color(BLACK);
 220                                 output->canvas->draw_box(0, 0, output->w, output->h);
 221                                 output->canvas->flash();
 222                         }
 223                 }
 224                 else
 225 // Update the ring buffer
 226                 if(bitmap_type == BITMAP_PRIMARY)
 227                 {
 228
 229 //printf("VDeviceX11::new_output_buffer\n");
 230                         output_frame->set_memory((unsigned char*)bitmap->get_data() /* + bitmap->get_shm_offset() */,
 231                                                 bitmap->get_y_offset(),
 232                                                 bitmap->get_u_offset(),
 233                                                 bitmap->get_v_offset());
 234                 }
 235         }
 236
 237 // Create new bitmap
 238         if(!bitmap)
 239         {
 240 //printf("VDeviceX11::new_output_buffer 1 %d\n", best_colormodel);
 241 // Try hardware accelerated
 242                 switch(best_colormodel)
 243                 {
 244                         case BC_YUV420P:
 245                                 if(device->out_config->driver == PLAYBACK_X11_XV &&
 246                                         output->canvas->accel_available(best_colormodel) &&
 247                                         !output->use_scrollbars)
 248                                 {
 249                                         bitmap = new BC_Bitmap(output->canvas,
 250                                                 device->out_w,
 251                                                 device->out_h,
 252                                                 best_colormodel,
 253                                                 1);
 254                                         output_frame = new VFrame((unsigned char*)bitmap->get_data() + bitmap->get_shm_offset(),
 255                                                 bitmap->get_y_offset(),
 256                                                 bitmap->get_u_offset(),
 257                                                 bitmap->get_v_offset(),
 258                                                 device->out_w,
 259                                                 device->out_h,
 260                                                 best_colormodel);
 261                                         bitmap_type = BITMAP_PRIMARY;
 262                                 }
 263                                 break;
 264
 265                         case BC_YUV422P:
 266                                 if(device->out_config->driver == PLAYBACK_X11_XV &&
 267                                         output->canvas->accel_available(best_colormodel) &&
 268                                         !output->use_scrollbars)
 269                                 {
 270                                         bitmap = new BC_Bitmap(output->canvas,
 271                                                 device->out_w,
 272                                                 device->out_h,
 273                                                 best_colormodel,
 274                                                 1);
 275                                         output_frame = new VFrame((unsigned char*)bitmap->get_data() + bitmap->get_shm_offset(),
 276                                                 bitmap->get_y_offset(),
 277                                                 bitmap->get_u_offset(),
 278                                                 bitmap->get_v_offset(),
 279                                                 device->out_w,
 280                                                 device->out_h,
 281                                                 best_colormodel);
 282                                         bitmap_type = BITMAP_PRIMARY;
 283                                 }
 284                                 else
 285                                 if(device->out_config->driver == PLAYBACK_X11_XV &&
 286                                         output->canvas->accel_available(BC_YUV422))
 287                                 {
 288                                         bitmap = new BC_Bitmap(output->canvas,
 289                                                 device->out_w,
 290                                                 device->out_h,
 291                                                 BC_YUV422,
 292                                                 1);
 293                                         bitmap_type = BITMAP_TEMP;
 294                                 }
 295                                 break;
 296
 297                         case BC_YUV422:
 298 //printf("VDeviceX11::new_output_buffer 3\n");
 299                                 if(device->out_config->driver == PLAYBACK_X11_XV &&
 300                                         output->canvas->accel_available(best_colormodel) &&
 301                                         !output->use_scrollbars)
 302                                 {
 303 //printf("VDeviceX11::new_output_buffer 4\n");
 304                                         bitmap = new BC_Bitmap(output->canvas,
 305                                                 device->out_w,
 306                                                 device->out_h,
 307                                                 best_colormodel,
 308                                                 1);
 309                                         output_frame = new VFrame((unsigned char*)bitmap->get_data() + bitmap->get_shm_offset(),
 310                                                 bitmap->get_y_offset(),
 311                                                 bitmap->get_u_offset(),
 312                                                 bitmap->get_v_offset(),
 313                                                 device->out_w,
 314                                                 device->out_h,
 315                                                 best_colormodel);
 316                                         bitmap_type = BITMAP_PRIMARY;
 317                                 }
 318                                 else
 319                                 if(device->out_config->driver == PLAYBACK_X11_XV &&
 320                                         output->canvas->accel_available(BC_YUV422P))
 321                                 {
 322 //printf("VDeviceX11::new_output_buffer 5\n");
 323                                         bitmap = new BC_Bitmap(output->canvas,
 324                                                 device->out_w,
 325                                                 device->out_h,
 326                                                 BC_YUV422P,
 327                                                 1);
 328 //printf("VDeviceX11::new_output_buffer 6\n");
 329                                         bitmap_type = BITMAP_TEMP;
 330 //printf("VDeviceX11::new_output_buffer 7\n");
 331                                 }
 332                                 break;
 333                 }
 334 //printf("VDeviceX11::new_output_buffer 8\n");
 335
 336 // Try default colormodel
 337                 if(!bitmap)
 338                 {
 339                         best_colormodel = output->canvas->get_color_model();
 340                         bitmap = new BC_Bitmap(output->canvas,
 341                                 output->canvas->get_w(),
 342                                 output->canvas->get_h(),
 343                                 best_colormodel,
 344                                 1);
 345                         bitmap_type = BITMAP_TEMP;
 346 //printf("VDeviceX11::new_output_buffer 9\n");
 347                 }
 348
 349                 if(bitmap_type == BITMAP_TEMP)
 350                 {
 351 // Intermediate frame
 352                         output_frame = new VFrame(0,
 353                                 device->out_w,
 354                                 device->out_h,
 355                                 colormodel);
 356                         bitmap_type = BITMAP_TEMP;
 357 //printf("VDeviceX11::new_output_buffer 10\n");
 358                 }
 359                 color_model_selected = 1;
 360         }
 361 //printf("VDeviceX11::new_output_buffer 11\n");
 362
 363 // Fill arguments
 364         if(bitmap_type == BITMAP_PRIMARY)
 365         {
 366 // Only useful if the primary is RGB888 which XFree86 never uses.
 367                 output_frame->set_shm_offset(bitmap->get_shm_offset());
 368         }
 369         else
 370         if(bitmap_type == BITMAP_TEMP)
 371         {
 372                 output_frame->set_shm_offset(0);
 373         }
 374 //printf("VDeviceX11::new_output_buffer 12\n");
 375
 376 // Temporary until multichannel X
 377         output_channels[0] = output_frame;
 378 }
 379
 380
 381 int VDeviceX11::start_playback()
 382 {
 383 // Record window is initialized when its monitor starts.
 384         if(!device->single_frame)
 385                 output->canvas->start_video();
 386         return 0;
 387 }
 388
 389 int VDeviceX11::stop_playback()
 390 {
 391         if(!device->single_frame)
 392                 output->canvas->stop_video();
 393 // Record window goes back to monitoring
 394 // get the last frame played and store it in the video_out
 395         return 0;
 396 }
 397
 398 int VDeviceX11::write_buffer(VFrame **output_channels, EDL *edl)
 399 {
 400         int i = 0;
 401
 402 //printf("VDeviceX11::write_buffer 1\n");
 403         output->canvas->lock_window("VDeviceX11::write_buffer");
 404 //printf("VDeviceX11::write_buffer 2\n");
 405         output->get_transfers(edl,
 406                 in_x,
 407                 in_y,
 408                 in_w,
 409                 in_h,
 410                 out_x,
 411                 out_y,
 412                 out_w,
 413                 out_h,
 414                 (bitmap_type == BITMAP_TEMP && !bitmap->hardware_scaling()) ? bitmap->get_w() : -1,
 415                 (bitmap_type == BITMAP_TEMP && !bitmap->hardware_scaling()) ? bitmap->get_h() : -1);
 416
 417 //output->canvas->unlock_window();
 418 //return 0;
 419 // printf("VDeviceX11::write_buffer 2 %d\n", bitmap_type);
 420 // for(int j = 0; j < output_channels[0]->get_w() * 3 * 5; j++)
 421 //      output_channels[0]->get_rows()[0][j] = 255;
 422
 423 // Convert colormodel
 424         if(bitmap_type == BITMAP_TEMP)
 425         {
 426 // printf("VDeviceX11::write_buffer 1 %d %d, %d %d %d %d -> %d %d %d %d\n",
 427 //                      output->w,
 428 //                      output->h,
 429 //                      in_x,
 430 //                      in_y,
 431 //                      in_w,
 432 //                      in_h,
 433 //                      out_x,
 434 //                      out_y,
 435 //                      out_w,
 436 //                      out_h );fflush(stdout);
 437
 438 //printf("VDeviceX11::write_buffer 2\n");
 439
 440 //printf("VDeviceX11::write_buffer 3 %p %p\n", bitmap->get_row_pointers(), output_channels[0]->get_rows());
 441
 442                 if(bitmap->hardware_scaling())
 443                 {
 444                         cmodel_transfer(bitmap->get_row_pointers(),
 445                                 output_channels[0]->get_rows(),
 446                                 0,
 447                                 0,
 448                                 0,
 449                                 output_channels[0]->get_y(),
 450                                 output_channels[0]->get_u(),
 451                                 output_channels[0]->get_v(),
 452                                 0,
 453                                 0,
 454                                 output_channels[0]->get_w(),
 455                                 output_channels[0]->get_h(),
 456                                 0,
 457                                 0,
 458                                 bitmap->get_w(),
 459                                 bitmap->get_h(),
 460                                 output_channels[0]->get_color_model(),
 461                                 bitmap->get_color_model(),
 462                                 0,
 463                                 output_channels[0]->get_w(),
 464                                 bitmap->get_w());
 465                 }
 466                 else
 467                 {
 468                         cmodel_transfer(bitmap->get_row_pointers(),
 469                                 output_channels[0]->get_rows(),
 470                                 0,
 471                                 0,
 472                                 0,
 473                                 output_channels[0]->get_y(),
 474                                 output_channels[0]->get_u(),
 475                                 output_channels[0]->get_v(),
 476                                 in_x,
 477                                 in_y,
 478                                 in_w,
 479                                 in_h,
 480                                 0,
 481                                 0,
 482                                 out_w,
 483                                 out_h,
 484                                 output_channels[0]->get_color_model(),
 485                                 bitmap->get_color_model(),
 486                                 0,
 487                                 output_channels[0]->get_w(),
 488                                 bitmap->get_w());
 489                 }
 490         }
 491
 492 //printf("VDeviceX11::write_buffer 4 %p\n", bitmap);
 493 //for(i = 0; i < 1000; i += 4) bitmap->get_data()[i] = 128;
 494 //printf("VDeviceX11::write_buffer 2 %d %d %d\n", bitmap_type,
 495 //      bitmap->get_color_model(),
 496 //      output->get_color_model());fflush(stdout);
 497 // printf("VDeviceX11::write_buffer 2 %d %d, %d %d %d %d -> %d %d %d %d\n",
 498 //                      output->w,
 499 //                      output->h,
 500 //                      in_x,
 501 //                      in_y,
 502 //                      in_w,
 503 //                      in_h,
 504 //                      out_x,
 505 //                      out_y,
 506 //                      out_w,
 507 //                      out_h);
 508
 509
 510 // Select field if using field mode.  This may be a useful feature later on
 511 // but currently it's being superceded by the heroine 60 encoding.
 512 // Doing time base conversion in the display routine produces
 513 // pretty big compression artifacts.  It also requires implementing a
 514 // different transform for each X visual.
 515         if(device->out_config->x11_use_fields)
 516         {
 517         }
 518
 519
 520
 521 // Cause X server to display it
 522         if(bitmap->hardware_scaling())
 523         {
 524                 output->canvas->draw_bitmap(bitmap,
 525                         !device->single_frame,
 526                         out_x,
 527                         out_y,
 528                         out_w,
 529                         out_h,
 530                         in_x,
 531                         in_y,
 532                         in_w,
 533                         in_h,
 534                         0);
 535         }
 536         else
 537         {
 538                 output->canvas->draw_bitmap(bitmap,
 539                         !device->single_frame,
 540                         out_x,
 541                         out_y,
 542                         out_w,
 543                         out_h,
 544                         0,
 545                         0,
 546                         out_w,
 547                         out_h,
 548                         0);
 549         }
 550
 551
 552 // In single frame mode we want the frame to display once along with overlays
 553 // when the device is closed.  This prevents intermediate drawing with overlays
 554 // from reading the obsolete back buffer before the device is closed.
 555
 556 //      if(device->single_frame)
 557 //      {
 558 //              output->canvas->flash();
 559 //              output->canvas->flush();
 560 //      }
 561
 562         output->canvas->unlock_window();
 563 //printf("VDeviceX11::write_buffer 5\n");fflush(stdout);
 564         return 0;
 565 }
 566
 567