cinelerra-5.1/cinelerra/resourcepixmap.C

   1
   2 /*
   3  * CINELERRA
   4  * Copyright (C) 1997-2014 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
  23
  24 #include "arender.h"
  25 #include "aedit.h"
  26 #include "asset.h"
  27 #include "asset.inc"
  28 #include "automation.h"
  29 #include "autos.h"
  30 #include "bcsignals.h"
  31 #include "cache.h"
  32 #include "clip.h"
  33 #include "bccmodels.h"
  34 #include "datatype.h"
  35 #include "edit.h"
  36 #include "edits.h"
  37 #include "edl.h"
  38 #include "edlsession.h"
  39 #include "file.h"
  40 #include "filesystem.h"
  41 #include "floatauto.h"
  42 #include "floatautos.h"
  43 #include "framecache.h"
  44 #include "indexfile.h"
  45 #include "language.h"
  46 #include "localsession.h"
  47 #include "mwindow.h"
  48 #include "mwindowgui.h"
  49 #include "renderengine.h"
  50 #include "resourcethread.h"
  51 #include "resourcepixmap.h"
  52 #include "samples.h"
  53 #include "theme.h"
  54 #include "timelinepane.h"
  55 #include "track.h"
  56 #include "trackcanvas.h"
  57 #include "transportque.h"
  58 #include "vedit.h"
  59 #include "vframe.h"
  60 #include "wavecache.h"
  61
  62
  63 ResourcePixmap::ResourcePixmap(MWindow *mwindow,
  64         MWindowGUI *gui,
  65         Edit *edit,
  66         int pane_number,
  67         int w,
  68         int h)
  69  : BC_Pixmap(gui, w, h)
  70 {
  71         reset();
  72
  73         this->mwindow = mwindow;
  74         this->gui = gui;
  75         this->pane_number = pane_number;
  76         startsource = edit->startsource;
  77         data_type = edit->track->data_type;
  78         if( edit->asset ) {
  79                 source_framerate = edit->asset->frame_rate;
  80                 source_samplerate = edit->asset->sample_rate;
  81         }
  82         else
  83         if( edit->nested_edl ) {
  84                 source_framerate = edit->nested_edl->session->frame_rate;
  85                 source_samplerate = edit->nested_edl->session->sample_rate;
  86         }
  87
  88         project_framerate = edit->edl->session->frame_rate;
  89         project_samplerate = edit->edl->session->sample_rate;
  90         edit_id = edit->id;  pixmap_w = w;  pixmap_h = h;
  91 }
  92
  93 ResourcePixmap::~ResourcePixmap()
  94 {
  95 }
  96
  97
  98 void ResourcePixmap::reset()
  99 {
 100         edit_x = 0;
 101         pixmap_x = 0;
 102         pixmap_w = 0;
 103         pixmap_h = 0;
 104         zoom_sample = 0;
 105         zoom_track = 0;
 106         zoom_y = 0;
 107         visible = 1;
 108 }
 109
 110 void ResourcePixmap::resize(int w, int h)
 111 {
 112         int new_w = (w > get_w()) ? w : get_w();
 113         int new_h = (h > get_h()) ? h : get_h();
 114
 115         BC_Pixmap::resize(new_w, new_h);
 116 }
 117
 118
 119 void ResourcePixmap::draw_data(TrackCanvas *canvas,
 120         Edit *edit,
 121         int64_t edit_x,
 122         int64_t edit_w,
 123         int64_t pixmap_x,
 124         int64_t pixmap_w,
 125         int64_t pixmap_h,
 126         int mode,
 127         int indexes_only)
 128 {
 129 // Get new areas to fill in relative to pixmap
 130 // Area to redraw relative to pixmap
 131         int refresh_x = 0;
 132         int refresh_w = 0;
 133
 134 // Ignore if called by resourcethread.
 135 //      if( mode == IGNORE_THREAD ) return;
 136
 137         int y = 0;
 138         if( mwindow->edl->session->show_titles )
 139                 y += mwindow->theme->get_image("title_bg_data")->get_h();
 140         Track *track = edit->edits->track;
 141
 142
 143 // If want indexes only & index can't be drawn, don't do anything.
 144         int need_redraw = 0;
 145         int64_t index_zoom = 0;
 146         Indexable *indexable = 0;
 147         if( edit->asset ) indexable = edit->asset;
 148         if( edit->nested_edl ) indexable = edit->nested_edl;
 149         if( indexable && indexes_only ) {
 150                 IndexFile indexfile(mwindow, indexable);
 151                 if( !indexfile.open_index() ) {
 152                         index_zoom = indexable->index_state->index_zoom;
 153                         indexfile.close_index();
 154                 }
 155
 156                 if( index_zoom ) {
 157                         if( data_type == TRACK_AUDIO ) {
 158                                 double asset_over_session = (double)indexable->get_sample_rate() /
 159                                         mwindow->edl->session->sample_rate;
 160                                 if( index_zoom <= mwindow->edl->local_session->zoom_sample *
 161                                         asset_over_session )
 162                                         need_redraw = 1;
 163                         }
 164                 }
 165
 166                 if( !need_redraw )
 167                         return;
 168         }
 169
 170
 171 // Redraw everything
 172 /* Incremental drawing is not possible with resource thread */
 173         if( 1 )
 174 //              edit->startsource != this->startsource ||
 175 //              mwindow->edl->session->sample_rate != project_samplerate ||
 176 //              !EQUIV(mwindow->edl->session->frame_rate, project_framerate) ||
 177 //              mwindow->edl->local_session->zoom_sample != zoom_sample ||
 178 //              mwindow->edl->local_session->zoom_track != zoom_track ||
 179 //              this->pixmap_h != pixmap_h ||
 180 //              (data_type == TRACK_AUDIO &&
 181 //                      mwindow->edl->local_session->zoom_y != zoom_y) ||
 182 //              (mode == 2) ||
 183 //              need_redraw)
 184         {
 185 // Redraw the whole thing.
 186                 refresh_x = 0;
 187                 refresh_w = pixmap_w;
 188         }
 189         else {
 190 // Start translated right
 191                 if( pixmap_w == this->pixmap_w && edit_x < this->edit_x && edit_w != pixmap_w ) {
 192                         refresh_w = this->edit_x - edit_x;
 193                         refresh_x = this->pixmap_w - refresh_w;
 194
 195 // Moved completely off the pixmap
 196                         if( refresh_w > this->pixmap_w ) {
 197                                 refresh_w = this->pixmap_w;
 198                                 refresh_x = 0;
 199                         }
 200                         else {
 201                                 copy_area(refresh_w,
 202                                         y,
 203                                         refresh_x,
 204                                         mwindow->edl->local_session->zoom_track,
 205                                         0,
 206                                         y);
 207                         }
 208                 }
 209                 else
 210 // Start translated left
 211                 if( pixmap_w == this->pixmap_w && edit_x > this->edit_x && edit_w != pixmap_w ) {
 212                         refresh_x = 0;
 213                         refresh_w = edit_x - this->edit_x;
 214
 215 // Moved completely off the pixmap
 216                         if( refresh_w > this->pixmap_w ) {
 217                                 refresh_w = this->pixmap_w;
 218                         }
 219                         else {
 220                                 copy_area(0,
 221                                         y,
 222                                         this->pixmap_w - refresh_w,
 223                                         mwindow->edl->local_session->zoom_track,
 224                                         refresh_w,
 225                                         y);
 226                         }
 227                 }
 228                 else
 229 // Start translated right and pixmap came off of right side
 230                 if( pixmap_w < this->pixmap_w && edit_x < this->edit_x &&
 231                         this->edit_x + edit_w > this->pixmap_x + this->pixmap_w ) {
 232                         refresh_w = (this->edit_x + edit_w) - (this->pixmap_x + this->pixmap_w);
 233                         refresh_x = pixmap_w - refresh_w;
 234
 235                         if( refresh_w >= pixmap_w ) {
 236                                 refresh_x = 0;
 237                                 refresh_w = pixmap_w;
 238                         }
 239                         else {
 240                                 copy_area(this->edit_x - edit_x,
 241                                         y,
 242                                         pixmap_w - refresh_w,
 243                                         mwindow->edl->local_session->zoom_track,
 244                                         0,
 245                                         y);
 246                         }
 247                 }
 248                 else
 249 // Start translated right and reduced in size on the right.
 250                 if( pixmap_w < this->pixmap_w && edit_x < this->edit_x ) {
 251                         refresh_x = 0;
 252                         refresh_w = 0;
 253
 254                         copy_area(this->pixmap_w - pixmap_w,
 255                                 y,
 256                                 pixmap_w,
 257                                 mwindow->edl->local_session->zoom_track,
 258                                 0,
 259                                 y);
 260                 }
 261                 else
 262 // Start translated left and pixmap came off left side
 263                 if( edit_x >= 0 && this->edit_x < 0 ) {
 264                         refresh_x = 0;
 265                         refresh_w = -this->edit_x;
 266
 267                         if( refresh_w > pixmap_w ) {
 268                                 refresh_w = pixmap_w;
 269                         }
 270                         else {
 271                                 copy_area(0,
 272                                                 y,
 273                                                 this->pixmap_w,
 274                                                 mwindow->edl->local_session->zoom_track,
 275                                                 refresh_w,
 276                                                 y);
 277                         }
 278                 }
 279                 else
 280 // Start translated left and reduced in size on the right
 281                 if( pixmap_w < this->pixmap_w && edit_x > this->edit_x ) {
 282                         refresh_x = 0;
 283                         refresh_w = 0;
 284                 }
 285                 else
 286 // Start translated right and left went into left side.
 287                 if( pixmap_w > this->pixmap_w && edit_x < 0 && this->edit_x > 0 ) {
 288                         refresh_w = pixmap_w - (edit_x + this->pixmap_w);
 289                         refresh_x = pixmap_w - refresh_w;
 290
 291 // Moved completely off new pixmap
 292                         if( refresh_w > pixmap_w ) {
 293                                 refresh_w = pixmap_w;
 294                                 refresh_x = 0;
 295                         }
 296                         else {
 297                                 copy_area(-edit_x,
 298                                         y,
 299                                         refresh_x,
 300                                         mwindow->edl->local_session->zoom_track,
 301                                         0,
 302                                         y);
 303                         }
 304                 }
 305                 else
 306 // Start translated right and increased in size on the right
 307                 if( pixmap_w > this->pixmap_w && edit_x <= this->edit_x ) {
 308                         refresh_w = pixmap_w - this->pixmap_w;
 309                         refresh_x = pixmap_w - refresh_w;
 310                 }
 311                 else
 312 // Start translated left and increased in size on the right
 313                 if( pixmap_w > this->pixmap_w && edit_x > this->edit_x ) {
 314                         refresh_x = 0;
 315                         refresh_w = edit_x - this->edit_x;
 316
 317 // Moved completely off new pixmap
 318                         if( refresh_w > this->pixmap_w ) {
 319                                 refresh_w = pixmap_w;
 320                                 refresh_x = 0;
 321                         }
 322 // Shift and insert
 323                         else {
 324                                 copy_area(0,
 325                                         y,
 326                                         this->pixmap_w,
 327                                         mwindow->edl->local_session->zoom_track,
 328                                         refresh_w,
 329                                         y);
 330                         }
 331                 }
 332         }
 333
 334 // Update pixmap settings
 335         this->edit_id = edit->id;
 336         this->startsource = edit->startsource;
 337
 338         if( edit->asset )
 339                 this->source_framerate = edit->asset->frame_rate;
 340         else
 341         if( edit->nested_edl )
 342                 this->source_framerate = edit->nested_edl->session->frame_rate;
 343
 344         if( edit->asset )
 345                 this->source_samplerate = edit->asset->sample_rate;
 346         else
 347         if( edit->nested_edl )
 348                 this->source_samplerate = edit->nested_edl->session->sample_rate;
 349
 350         this->project_framerate = edit->edl->session->frame_rate;
 351         this->project_samplerate = edit->edl->session->sample_rate;
 352         this->edit_x = edit_x;
 353         this->pixmap_x = pixmap_x;
 354         this->pixmap_w = pixmap_w;
 355         this->pixmap_h = pixmap_h;
 356         this->zoom_sample = mwindow->edl->local_session->zoom_sample;
 357         this->zoom_track = mwindow->edl->local_session->zoom_track;
 358         this->zoom_y = mwindow->edl->local_session->zoom_y;
 359
 360
 361
 362 // Draw background image
 363         if( refresh_w > 0 )
 364                 mwindow->theme->draw_resource_bg(canvas,
 365                         this,
 366                         edit_x,
 367                         edit_w,
 368                         pixmap_x,
 369                         refresh_x,
 370                         y,
 371                         refresh_x + refresh_w,
 372                         mwindow->edl->local_session->zoom_track + y);
 373 //printf("ResourcePixmap::draw_data 70\n");
 374
 375
 376 // Draw media which already exists
 377         if( track->draw ) {
 378                 switch( track->data_type )
 379                 {
 380                         case TRACK_AUDIO:
 381                                 draw_audio_resource(canvas,
 382                                         edit,
 383                                         refresh_x,
 384                                         refresh_w);
 385                                 break;
 386
 387                         case TRACK_VIDEO:
 388                                 draw_video_resource(canvas,
 389                                         edit,
 390                                         edit_x,
 391                                         edit_w,
 392                                         pixmap_x,
 393                                         pixmap_w,
 394                                         refresh_x,
 395                                         refresh_w,
 396                                         mode);
 397                                 break;
 398
 399                         case TRACK_SUBTITLE:
 400                                 draw_subttl_resource(canvas,
 401                                         edit,
 402                                         refresh_x,
 403                                         refresh_w);
 404                                 break;
 405                 }
 406         }
 407
 408 // Draw title
 409 SET_TRACE
 410         if( mwindow->edl->session->show_titles )
 411                 draw_title(canvas,
 412                         edit,
 413                         edit_x,
 414                         edit_w,
 415                         pixmap_x,
 416                         pixmap_w);
 417 SET_TRACE
 418 }
 419
 420 void ResourcePixmap::draw_title(TrackCanvas *canvas,
 421         Edit *edit, int64_t edit_x, int64_t edit_w,
 422         int64_t pixmap_x, int64_t pixmap_w)
 423 {
 424 // coords relative to pixmap
 425         int64_t total_x = edit_x - pixmap_x, total_w = edit_w;
 426         int64_t x = total_x, w = total_w;
 427         int left_margin = 10;
 428
 429         if( x < 0 ) { w -= -x; x = 0; }
 430         if( w > pixmap_w ) w -= w - pixmap_w;
 431
 432         canvas->draw_3segmenth(x, 0, w, total_x, total_w,
 433                 mwindow->theme->get_image("title_bg_data"), this);
 434
 435 //      if( total_x > -BC_INFINITY ) {
 436                 char title[BCTEXTLEN];
 437                 edit->get_title(title);
 438                 canvas->set_color(mwindow->theme->title_color);
 439                 canvas->set_font(mwindow->theme->title_font);
 440
 441 // Justify the text on the left boundary of the edit if it is visible.
 442 // Otherwise justify it on the left side of the screen.
 443                 int text_x = total_x + left_margin;
 444                 text_x = MAX(left_margin, text_x);
 445 //printf("ResourcePixmap::draw_title 1 %d\n", text_x);
 446                 canvas->draw_text(text_x,
 447                         canvas->get_text_ascent(mwindow->theme->title_font) + 2,
 448                         title, strlen(title), this);
 449 //      }
 450 }
 451
 452
 453 // Need to draw one more x
 454 void ResourcePixmap::draw_audio_resource(TrackCanvas *canvas, Edit *edit, int x, int w)
 455 {
 456         if( w <= 0 ) return;
 457         if( !edit->asset && !edit->nested_edl ) return;
 458         Indexable *indexable = 0;
 459         if( edit->asset ) indexable = edit->asset;
 460         if( edit->nested_edl ) indexable = edit->nested_edl;
 461 // printf("ResourcePixmap::draw_audio_resource %d x=%d w=%d\n", __LINE__, x, w);
 462 SET_TRACE
 463
 464         IndexState *index_state = indexable->index_state;
 465         double asset_over_session = (double)indexable->get_sample_rate() /
 466                 mwindow->edl->session->sample_rate;
 467
 468 // Develop strategy for drawing
 469 // printf("ResourcePixmap::draw_audio_resource %d %p %d\n",
 470 // __LINE__,
 471 // index_state,
 472 // index_state->index_status);
 473         switch( index_state->index_status )
 474         {
 475                 case INDEX_NOTTESTED:
 476                         return;
 477                         break;
 478 // Disabled.  All files have an index.
 479 //              case INDEX_TOOSMALL:
 480 //                      draw_audio_source(canvas, edit, x, w);
 481 //                      break;
 482                 case INDEX_BUILDING:
 483                 case INDEX_READY:
 484                 {
 485                         IndexFile indexfile(mwindow, indexable);
 486                         if( !indexfile.open_index() ) {
 487                                 if( index_state->index_zoom >
 488                                                 mwindow->edl->local_session->zoom_sample *
 489                                                 asset_over_session ) {
 490 //printf("ResourcePixmap::draw_audio_resource %d\n", __LINE__);
 491
 492                                         draw_audio_source(canvas, edit, x, w);
 493                                 }
 494                                 else {
 495 //printf("ResourcePixmap::draw_audio_resource %d\n", __LINE__);
 496                                         indexfile.draw_index(canvas,
 497                                                 this,
 498                                                 edit,
 499                                                 x,
 500                                                 w);
 501 SET_TRACE
 502                                 }
 503
 504                                 indexfile.close_index();
 505 SET_TRACE
 506                         }
 507                         break;
 508                 }
 509         }
 510 }
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 529 void ResourcePixmap::draw_audio_source(TrackCanvas *canvas, Edit *edit, int x, int w)
 530 {
 531         w++;
 532         Indexable *indexable = edit->get_source();
 533         int center_pixel = mwindow->edl->local_session->zoom_track / 2;
 534         if( mwindow->edl->session->show_titles )
 535                 center_pixel += mwindow->theme->get_image("title_bg_data")->get_h();
 536         int64_t scale_y = mwindow->edl->local_session->zoom_y;
 537         int y_max = center_pixel + scale_y / 2 - 1;
 538
 539         double project_zoom = mwindow->edl->local_session->zoom_sample;
 540         FloatAutos *speed_autos = !edit->track->has_speed() ? 0 :
 541                 (FloatAutos *)edit->track->automation->autos[AUTOMATION_SPEED];
 542         int64_t edit_position = (x + pixmap_x - edit_x) * project_zoom;
 543         int64_t start_position = edit->startsource;
 544         start_position += !speed_autos ? edit_position :
 545                 speed_autos->automation_integral(edit->startproject, edit_position, PLAY_FORWARD);
 546         int64_t end_position = edit->startsource;
 547         edit_position = (x + w + pixmap_x - edit_x) * project_zoom;
 548         end_position += !speed_autos ? edit_position :
 549                 speed_autos->automation_integral(edit->startproject, edit_position, PLAY_FORWARD);
 550
 551         double session_sample_rate = mwindow->edl->session->sample_rate;
 552         double asset_over_session = (double)indexable->get_sample_rate() / session_sample_rate;
 553         start_position *= asset_over_session;
 554         end_position *= asset_over_session;
 555         int sample_size = end_position - start_position;
 556         if( sample_size < 0 ) sample_size = 0;
 557         int source_samples = sample_size + 1;
 558
 559 // Single sample zoom
 560         if( mwindow->edl->local_session->zoom_sample == 1 ) {
 561                 Samples *buffer = 0;
 562                 int result = 0;
 563                 canvas->set_color(mwindow->theme->audio_color);
 564
 565                 if( indexable->is_asset ) {
 566                         mwindow->gui->unlock_window();
 567                         File *source = mwindow->audio_cache->check_out(edit->asset, mwindow->edl);
 568                         mwindow->gui->lock_window("draw_audio_source");
 569
 570                         if( !source ) {
 571                                 printf(_("ResourcePixmap::draw_audio_source: failed to check out %s for drawing.\n"), edit->asset->path);
 572                                 return;
 573                         }
 574
 575                         source->set_audio_position(start_position);
 576                         source->set_channel(edit->channel);
 577                         buffer = new Samples(source_samples);
 578                         result = source->read_samples(buffer, source_samples);
 579                         mwindow->audio_cache->check_in(edit->asset);
 580                 }
 581                 else {
 582                         if( mwindow->gui->render_engine &&
 583                                 mwindow->gui->render_engine_id != indexable->id ) {
 584                                 delete mwindow->gui->render_engine;
 585                                 mwindow->gui->render_engine = 0;
 586                         }
 587
 588                         if( !mwindow->gui->render_engine ) {
 589                                 TransportCommand command;
 590                                 command.command = NORMAL_FWD;
 591                                 command.get_edl()->copy_all(edit->nested_edl);
 592                                 command.change_type = CHANGE_ALL;
 593                                 command.realtime = 0;
 594                                 mwindow->gui->render_engine = new RenderEngine(0,
 595                                         mwindow->preferences, 0, 0);
 596                                 mwindow->gui->render_engine_id = edit->nested_edl->id;
 597                                 mwindow->gui->render_engine->set_acache(mwindow->audio_cache);
 598                                 mwindow->gui->render_engine->arm_command(&command);
 599                         }
 600
 601                         if( mwindow->gui->render_engine->arender ) {
 602                                 Samples *buffers[MAX_CHANNELS];
 603                                 memset(buffers, 0, sizeof(buffers));
 604                                 int nch = indexable->get_audio_channels(), ch = edit->channel;
 605                                 for( int i=0; i<nch; ++i )
 606                                         buffers[i] = new Samples(source_samples);
 607                                 mwindow->gui->render_engine->arender->process_buffer(
 608                                         buffers, source_samples, start_position);
 609                                 for( int i=0; i<nch; ++i )
 610                                         if( i != ch ) delete buffers[i];
 611                                 buffer = buffers[ch];
 612                         }
 613                 }
 614
 615                 if( !result ) {
 616                         double *samples = buffer->get_data();
 617                         int y1 = center_pixel - samples[0] * scale_y / 2;
 618                         int y2 = CLIP(y1, 0, y_max);
 619
 620                         for( int x0=0; x0<w; ++x0 ) {
 621                                 int x1 = x0 + x, x2 = x1 + 1;
 622                                 edit_position = (x1 + pixmap_x - edit_x) * project_zoom;
 623                                 int64_t speed_position = edit->startsource;
 624                                 speed_position += !speed_autos ? edit_position :
 625                                         speed_autos->automation_integral(
 626                                                 edit->startproject, edit_position, PLAY_FORWARD);
 627                                 int j = speed_position * asset_over_session - start_position;
 628                                 CLAMP(j, 0, sample_size);
 629                                 int y0 = y2;
 630                                 y1 = center_pixel - samples[j] * scale_y / 2;
 631                                 y2 = CLIP(y1, 0, y_max);
 632 //printf("ResourcePixmap::draw_audio_source %d %d %d\n", __LINE__, y1, y2);
 633                                 canvas->draw_line(x0, y0, x2, y2, this);
 634                         }
 635                 }
 636
 637                 delete buffer;
 638         }
 639         else {
 640                 edit_position = (x + pixmap_x - edit_x) * project_zoom;
 641                 int64_t speed_position = edit->startsource;
 642                 speed_position += !speed_autos ? edit_position :
 643                         speed_autos->automation_integral(
 644                                 edit->startproject, edit_position, PLAY_FORWARD);
 645                 int64_t next_position = asset_over_session * speed_position;
 646 // Multiple sample zoom
 647                 int first_pixel = 1, prev_y1 = -1, prev_y2 = y_max;
 648                 canvas->set_color(mwindow->theme->audio_color);
 649                 ++x;
 650
 651 // Draw each pixel from the cache
 652 //printf("ResourcePixmap::draw_audio_source %d x=%d w=%d\n", __LINE__, x, w);
 653                 for( int x2=x+w; x<x2; ++x ) {
 654                         int64_t prev_position = next_position;
 655                         edit_position = (x + pixmap_x - edit_x) * project_zoom;
 656                         speed_position = edit->startsource;
 657                         speed_position += !speed_autos ? edit_position :
 658                                 speed_autos->automation_integral(
 659                                         edit->startproject, edit_position, PLAY_FORWARD);
 660                         next_position = speed_position * asset_over_session;
 661 // Starting sample of pixel relative to asset rate.
 662                         WaveCacheItem *item = mwindow->wave_cache->get_wave(indexable->id,
 663                                         edit->channel, prev_position, next_position);
 664                         if( item ) {
 665 //printf("ResourcePixmap::draw_audio_source %d\n", __LINE__);
 666                                 int y_lo = (int)(center_pixel - item->low * scale_y / 2);
 667                                 int y1 = CLIP(y_lo, 0, y_max);
 668                                 int y_hi = (int)(center_pixel - item->high * scale_y / 2);
 669                                 int y2 = CLIP(y_hi, 0, y_max);
 670                                 if( !first_pixel ) {
 671                                         y_lo = MIN(y1,prev_y2);
 672                                         y_hi = MAX(y2,prev_y1);
 673                                 }
 674                                 else {
 675                                         first_pixel = 0;
 676                                         y_lo = y1;  y_hi = y2;
 677                                 }
 678                                 prev_y1 = y1;  prev_y2 = y2;
 679                                 canvas->draw_line(x, y_lo, x, y_hi, this);
 680 //printf("ResourcePixmap::draw_audio_source %d %d %d %d\n", __LINE__, x, y1, y2);
 681                                 mwindow->wave_cache->unlock();
 682                         }
 683                         else {
 684 //printf("ResourcePixmap::draw_audio_source %d\n", __LINE__);
 685                                 gui->resource_thread->add_wave(this,
 686                                         canvas->pane->number, indexable, x,
 687                                         edit->channel, prev_position, next_position);
 688                                 first_pixel = 1;  prev_y1 = -1;  prev_y2 = y_max;
 689                         }
 690                 }
 691         }
 692
 693         canvas->test_timer();
 694 }
 695
 696 void ResourcePixmap::draw_wave(TrackCanvas *canvas, int x, double high, double low)
 697 {
 698         int top_pixel = 0;
 699         if( mwindow->edl->session->show_titles )
 700                 top_pixel = mwindow->theme->get_image("title_bg_data")->get_h();
 701         int center_pixel = mwindow->edl->local_session->zoom_track / 2 + top_pixel;
 702         int bottom_pixel = top_pixel + mwindow->edl->local_session->zoom_track;
 703         int y1 = (int)(center_pixel -
 704                 low * mwindow->edl->local_session->zoom_y / 2);
 705         int y2 = (int)(center_pixel -
 706                 high * mwindow->edl->local_session->zoom_y / 2);
 707         CLAMP(y1, top_pixel, bottom_pixel);
 708         CLAMP(y2, top_pixel, bottom_pixel);
 709         canvas->set_color(mwindow->theme->audio_color);
 710         canvas->draw_line(x, y1, x, y2, this);
 711 }
 712
 713
 714 void ResourcePixmap::draw_video_resource(TrackCanvas *canvas,
 715         Edit *edit, int64_t edit_x, int64_t edit_w, int64_t pixmap_x, int64_t pixmap_w,
 716         int refresh_x, int refresh_w, int mode)
 717 {
 718 //PRINT_TRACE
 719 //BC_Signals::dump_stack();
 720
 721 // pixels spanned by a picon
 722         int64_t picon_w = Units::round(edit->picon_w());
 723         int64_t picon_h = edit->picon_h();
 724 //      if( picon_w <= 0 || picon_w > edit_w ) return;
 725 // Don't draw video if picon is empty, or edit only hairline
 726         if( picon_w < 1 || edit_w < 2 ) return;
 727 // or bigger than edit and fills at less than 1.5 percent timeline
 728         if( picon_w > edit_w && edit_w < canvas->get_w()/64 ) return;
 729
 730 // Frames spanned by a picon
 731         double frame_w = edit->frame_w();
 732 // pixels spanned by a frame
 733         if( frame_w < picon_w ) frame_w = picon_w;
 734 // Current pixel relative to pixmap
 735         int y = 0;
 736         if( mwindow->edl->session->show_titles )
 737                 y += mwindow->theme->get_image("title_bg_data")->get_h();
 738
 739 // Frame in project touched by current pixel
 740         FloatAutos *speed_autos = !edit->track->has_speed() ? 0 :
 741                 (FloatAutos *)edit->track->automation->autos[AUTOMATION_SPEED];
 742         Indexable *indexable = edit->get_source();
 743         double session_sample_rate = mwindow->edl->session->sample_rate;
 744         double project_zoom = mwindow->edl->local_session->zoom_sample / session_sample_rate;
 745         int skip_frames = Units::to_int64(((int64_t)refresh_x + pixmap_x - edit_x) / frame_w);
 746         int x = Units::to_int64(skip_frames * frame_w) + edit_x - pixmap_x;
 747
 748 // Draw only cached frames
 749         while( x < refresh_x + refresh_w ) {
 750                 int64_t edit_position =
 751                         edit->track->to_units((x + pixmap_x - edit_x) * project_zoom, 0);
 752                 int64_t speed_position = edit->startsource;
 753                 speed_position += !speed_autos ? edit_position :
 754                          speed_autos->automation_integral(
 755                                 edit->startproject, edit_position, PLAY_FORWARD);
 756                 VFrame *picon_frame = indexable->id < 0 ? 0 :
 757                         mwindow->frame_cache->get_frame_ptr(speed_position, edit->channel,
 758                                 mwindow->edl->session->frame_rate, BC_RGB888,
 759                                 picon_w, picon_h, indexable->id);
 760                 if( picon_frame ) {
 761                         draw_vframe(picon_frame, x, y, picon_w, picon_h, 0, 0);
 762                         mwindow->frame_cache->unlock();
 763                 }
 764                 else if( mode != IGNORE_THREAD ) {
 765 // Set picon thread to draw in background
 766 // printf("ResourcePixmap::draw_video_resource %d %d %lld\n",
 767 // __LINE__, mwindow->frame_cache->total(), source_frame);
 768                         gui->resource_thread->add_picon(this, canvas->pane->number, x, y,
 769                                 picon_w, picon_h, mwindow->edl->session->frame_rate,
 770                                 speed_position, edit->channel, indexable);
 771                 }
 772                 x += frame_w;
 773                 canvas->test_timer();
 774         }
 775 }
 776
 777 #include "strack.h"
 778
 779 void ResourcePixmap::draw_subttl_resource(TrackCanvas *canvas, Edit *edit, int x, int w)
 780 {
 781         SEdit *sedit = (SEdit *)edit;
 782         char *text = sedit->get_text();
 783         if( !*text || w < 10 ) return;
 784         int center_pixel = mwindow->edl->local_session->zoom_track / 2;
 785         if( mwindow->edl->session->show_titles )
 786                 center_pixel += mwindow->theme->get_image("title_bg_data")->get_h();
 787         int64_t scale_y = mwindow->edl->local_session->zoom_y;
 788         int x0 = edit_x;
 789         if( x0 < 0 ) x0 = -x0;
 790         int x1 = (int)(pixmap_x - x0 + x);
 791         int y_max = center_pixel + scale_y / 2 - 1;
 792         int font = MEDIUMFONT, color = WHITE;
 793         canvas->set_font(font);
 794         canvas->set_color(color);
 795         int ch = canvas->get_text_height(font);
 796         int hh = canvas->get_text_height(font,text) + ch/2;
 797         int y1 = y_max - hh - 10;
 798         if( y1 < 0 ) y1 = 0;
 799         canvas->draw_text(x1, y1, text, -1, this);
 800 }
 801
 802 void ResourcePixmap::dump()
 803 {
 804         printf("ResourcePixmap %p\n", this);
 805         printf(" edit %jx edit_x %jd pixmap_x %jd pixmap_w %jd visible %d\n",
 806                 edit_id, edit_x, pixmap_x, pixmap_w, visible);
 807 }
 808