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 "preferences.h"
  50 #include "renderengine.h"
  51 #include "resourcethread.h"
  52 #include "resourcepixmap.h"
  53 #include "samples.h"
  54 #include "theme.h"
  55 #include "timelinepane.h"
  56 #include "track.h"
  57 #include "trackcanvas.h"
  58 #include "transportque.h"
  59 #include "vedit.h"
  60 #include "vframe.h"
  61 #include "wavecache.h"
  62
  63
  64 ResourcePixmap::ResourcePixmap(MWindow *mwindow,
  65         MWindowGUI *gui,
  66         Edit *edit,
  67         int pane_number,
  68         int w,
  69         int h)
  70  : BC_Pixmap(gui, w, h)
  71 {
  72         reset();
  73
  74         this->mwindow = mwindow;
  75         this->gui = gui;
  76         this->pane_number = pane_number;
  77         startsource = edit->startsource;
  78         data_type = edit->track->data_type;
  79         if( edit->asset ) {
  80                 source_framerate = edit->asset->frame_rate;
  81                 source_samplerate = edit->asset->sample_rate;
  82         }
  83         else
  84         if( edit->nested_edl ) {
  85                 source_framerate = edit->nested_edl->session->frame_rate;
  86                 source_samplerate = edit->nested_edl->session->sample_rate;
  87         }
  88
  89         project_framerate = edit->edl->session->frame_rate;
  90         project_samplerate = edit->edl->session->sample_rate;
  91         edit_id = edit->id;  pixmap_w = w;  pixmap_h = h;
  92 }
  93
  94 ResourcePixmap::~ResourcePixmap()
  95 {
  96 }
  97
  98
  99 void ResourcePixmap::reset()
 100 {
 101         edit_x = 0;
 102         pixmap_x = 0;
 103         pixmap_w = 0;
 104         pixmap_h = 0;
 105         zoom_sample = 0;
 106         zoom_track = 0;
 107         zoom_y = 0;
 108         visible = 1;
 109 }
 110
 111 void ResourcePixmap::resize(int w, int h)
 112 {
 113         int new_w = (w > get_w()) ? w : get_w();
 114         int new_h = (h > get_h()) ? h : get_h();
 115
 116         BC_Pixmap::resize(new_w, new_h);
 117 }
 118
 119 void ResourcePixmap::update_settings(Edit *edit,
 120         int64_t edit_x, int64_t edit_w,
 121         int64_t pixmap_x, int64_t pixmap_w, int64_t pixmap_h)
 122 {
 123         this->edit_id = edit->id;
 124         this->edit_x = edit_x;
 125         this->pixmap_x = pixmap_x;
 126         this->pixmap_w = pixmap_w;
 127         this->pixmap_h = pixmap_h;
 128
 129         startsource = edit->startsource;
 130         if( edit->asset )
 131                 source_framerate = edit->asset->frame_rate;
 132         else
 133         if( edit->nested_edl )
 134                 source_framerate = edit->nested_edl->session->frame_rate;
 135         if( edit->asset )
 136                 source_samplerate = edit->asset->sample_rate;
 137         else if( edit->nested_edl )
 138                 source_samplerate = edit->nested_edl->session->sample_rate;
 139
 140         project_framerate = edit->edl->session->frame_rate;
 141         project_samplerate = edit->edl->session->sample_rate;
 142         zoom_sample = mwindow->edl->local_session->zoom_sample;
 143         zoom_track = mwindow->edl->local_session->zoom_track;
 144         zoom_y = mwindow->edl->local_session->zoom_y;
 145 }
 146
 147 void ResourcePixmap::draw_data(TrackCanvas *canvas,
 148         Edit *edit, int64_t edit_x, int64_t edit_w,
 149         int64_t pixmap_x, int64_t pixmap_w, int64_t pixmap_h,
 150         int mode, int indexes_only)
 151 {
 152 // Get new areas to fill in relative to pixmap
 153 // Area to redraw relative to pixmap
 154         int refresh_x = 0;
 155         int refresh_w = 0;
 156
 157 // Ignore if called by resourcethread.
 158 //      if( mode == IGNORE_THREAD ) return;
 159
 160         int y = 0;
 161         if( edit->track->show_titles() )
 162                 y += mwindow->theme->get_image("title_bg_data")->get_h();
 163
 164 // If want indexes only & index can't be drawn, don't do anything.
 165         int need_redraw = 0;
 166         int64_t index_zoom = 0;
 167         Indexable *indexable = 0;
 168         if( edit->asset ) indexable = edit->asset;
 169         if( edit->nested_edl ) indexable = edit->nested_edl;
 170         if( indexable && indexes_only ) {
 171                 IndexFile indexfile(mwindow, indexable);
 172                 if( !indexfile.open_index() ) {
 173                         index_zoom = indexable->index_state->index_zoom;
 174                         indexfile.close_index();
 175                 }
 176
 177                 if( index_zoom ) {
 178                         if( data_type == TRACK_AUDIO ) {
 179                                 double asset_over_session = (double)indexable->get_sample_rate() /
 180                                         mwindow->edl->session->sample_rate;
 181                                 if( index_zoom <= mwindow->edl->local_session->zoom_sample *
 182                                         asset_over_session )
 183                                         need_redraw = 1;
 184                         }
 185                 }
 186
 187                 if( !need_redraw )
 188                         return;
 189         }
 190
 191 /* Incremental drawing is not possible with resource thread */
 192 // Redraw everything
 193         refresh_x = 0;
 194         refresh_w = pixmap_w;
 195
 196 // Draw background image
 197         if( refresh_w > 0 )
 198                 mwindow->theme->draw_resource_bg(canvas,
 199                         this,
 200                         edit_x,
 201                         edit_w,
 202                         pixmap_x,
 203                         refresh_x,
 204                         y,
 205                         refresh_x + refresh_w,
 206                         mwindow->edl->local_session->zoom_track + y);
 207 //printf("ResourcePixmap::draw_data 70\n");
 208
 209
 210 // Draw media which already exists
 211         Track *track = edit->track;
 212         if( track->draw ) {
 213                 switch( track->data_type )
 214                 {
 215                         case TRACK_AUDIO:
 216                                 draw_audio_resource(canvas,
 217                                         edit,
 218                                         refresh_x,
 219                                         refresh_w);
 220                                 break;
 221
 222                         case TRACK_VIDEO:
 223                                 draw_video_resource(canvas,
 224                                         edit,
 225                                         edit_x,
 226                                         edit_w,
 227                                         pixmap_x,
 228                                         pixmap_w,
 229                                         refresh_x,
 230                                         refresh_w,
 231                                         mode);
 232                                 break;
 233
 234                         case TRACK_SUBTITLE:
 235                                 draw_subttl_resource(canvas,
 236                                         edit,
 237                                         refresh_x,
 238                                         refresh_w);
 239                                 break;
 240                 }
 241         }
 242 SET_TRACE
 243 }
 244
 245
 246 VFrame *ResourcePixmap::change_title_color(VFrame *title_bg, int color, int bg_color)
 247 {
 248         if( color < 0 || color == bg_color ) return title_bg;
 249         int colormodel = title_bg->get_color_model();
 250         int bpp = BC_CModels::calculate_pixelsize(colormodel);
 251         int tw = title_bg->get_w(), th = title_bg->get_h();
 252         VFrame *title_bar = new VFrame(tw, th, colormodel);
 253         uint8_t br = (bg_color>>16), cr = (color>>16);
 254         uint8_t bg = (bg_color>>8),  cg = (color>>8);
 255         uint8_t bb = (bg_color>>0),  cb = (color>>0);
 256         int dr = cr-br, dg = cg-bg, db = cb-bb;
 257         uint8_t **bar_rows = title_bar->get_rows();
 258         uint8_t **rows = title_bg->get_rows();
 259         for( int y=0; y<th; ++y ) {
 260                 uint8_t *bp = rows[y], *cp = bar_rows[y];
 261                 for( int x=0; x<tw; ++x ) {
 262                         *cp++ = *bp++ + dr;
 263                         *cp++ = *bp++ + dg;
 264                         *cp++ = *bp++ + db;
 265                         if( bpp > 3 ) *cp++ = *bp++;
 266                 }
 267         }
 268         return title_bar;
 269 }
 270
 271 void ResourcePixmap::draw_title(TrackCanvas *canvas,
 272         Edit *edit, int64_t edit_x, int64_t edit_w,
 273         int64_t pixmap_x, int64_t pixmap_w)
 274 {
 275 // coords relative to pixmap
 276         int64_t total_x = edit_x - pixmap_x, total_w = edit_w;
 277         int64_t x = total_x, w = total_w;
 278         int left_margin = 10;
 279
 280         if( x < 0 ) { w -= -x; x = 0; }
 281         if( w > pixmap_w ) w -= w - pixmap_w;
 282
 283         VFrame *title_bg = mwindow->theme->get_image("title_bg_data");
 284         VFrame *title_bar = title_bg;
 285         int color = mwindow->get_title_color(edit), bg_color = -1;
 286         if( color >= 0 ) {
 287                 bg_color = mwindow->theme->get_color_title_bg();
 288                 if( bg_color == color ) color = -1;
 289         }
 290         if( color >= 0 && color != bg_color )
 291                 title_bar = change_title_color(title_bg, color, bg_color);
 292         canvas->draw_3segmenth(x, 0, w, total_x, total_w, title_bar, this);
 293         if( title_bar != title_bg ) delete title_bar;
 294
 295 //      if( total_x > -BC_INFINITY ) {
 296                 char title[BCTEXTLEN];
 297                 edit->get_title(title);
 298                 canvas->set_color(mwindow->theme->title_color);
 299                 canvas->set_font(mwindow->theme->title_font);
 300
 301 // Justify the text on the left boundary of the edit if it is visible.
 302 // Otherwise justify it on the left side of the screen.
 303                 int text_x = total_x + left_margin;
 304                 text_x = MAX(left_margin, text_x);
 305 //printf("ResourcePixmap::draw_title 1 %d\n", text_x);
 306                 canvas->draw_text(text_x,
 307                         canvas->get_text_ascent(mwindow->theme->title_font) + 2,
 308                         title, strlen(title), this);
 309 //      }
 310 }
 311
 312
 313 // Need to draw one more x
 314 void ResourcePixmap::draw_audio_resource(TrackCanvas *canvas, Edit *edit, int x, int w)
 315 {
 316         if( w <= 0 ) return;
 317         if( !edit->asset && !edit->nested_edl ) return;
 318         Indexable *indexable = 0;
 319         if( edit->asset ) indexable = edit->asset;
 320         if( edit->nested_edl ) indexable = edit->nested_edl;
 321 // printf("ResourcePixmap::draw_audio_resource %d x=%d w=%d\n", __LINE__, x, w);
 322 SET_TRACE
 323
 324         IndexState *index_state = indexable->index_state;
 325         double asset_over_session = (double)indexable->get_sample_rate() /
 326                 mwindow->edl->session->sample_rate;
 327
 328 // Develop strategy for drawing
 329 // printf("ResourcePixmap::draw_audio_resource %d %p %d\n",
 330 // __LINE__,
 331 // index_state,
 332 // index_state->index_status);
 333         switch( index_state->index_status )
 334         {
 335                 case INDEX_NOTTESTED:
 336                         return;
 337                         break;
 338 // Disabled.  All files have an index.
 339 //              case INDEX_TOOSMALL:
 340 //                      draw_audio_source(canvas, edit, x, w);
 341 //                      break;
 342                 case INDEX_BUILDING:
 343                 case INDEX_READY:
 344                 {
 345                         IndexFile indexfile(mwindow, indexable);
 346                         if( !indexfile.open_index() ) {
 347                                 if( index_state->index_zoom >
 348                                                 mwindow->edl->local_session->zoom_sample *
 349                                                 asset_over_session ) {
 350 //printf("ResourcePixmap::draw_audio_resource %d\n", __LINE__);
 351
 352                                         draw_audio_source(canvas, edit, x, w);
 353                                 }
 354                                 else {
 355 //printf("ResourcePixmap::draw_audio_resource %d\n", __LINE__);
 356                                         indexfile.draw_index(canvas,
 357                                                 this,
 358                                                 edit,
 359                                                 x,
 360                                                 w);
 361 SET_TRACE
 362                                 }
 363
 364                                 indexfile.close_index();
 365 SET_TRACE
 366                         }
 367                         break;
 368                 }
 369         }
 370 }
 371
 372
 373 void ResourcePixmap::draw_audio_source(TrackCanvas *canvas, Edit *edit, int x, int w)
 374 {
 375         w++;
 376         Indexable *indexable = edit->get_source();
 377         int center_pixel = mwindow->edl->local_session->zoom_track / 2;
 378         if( edit->track->show_titles() )
 379                 center_pixel += mwindow->theme->get_image("title_bg_data")->get_h();
 380         int64_t scale_y = mwindow->edl->local_session->zoom_y;
 381         int y_max = center_pixel + scale_y / 2 - 1;
 382
 383         double project_zoom = mwindow->edl->local_session->zoom_sample;
 384         FloatAutos *speed_autos = !edit->track->has_speed() ? 0 :
 385                 (FloatAutos *)edit->track->automation->autos[AUTOMATION_SPEED];
 386         int64_t edit_position = (x + pixmap_x - edit_x) * project_zoom;
 387         int64_t start_position = edit->startsource;
 388         start_position += !speed_autos ? edit_position :
 389                 speed_autos->automation_integral(edit->startproject, edit_position, PLAY_FORWARD);
 390         int64_t end_position = edit->startsource;
 391         edit_position = (x + w + pixmap_x - edit_x) * project_zoom;
 392         end_position += !speed_autos ? edit_position :
 393                 speed_autos->automation_integral(edit->startproject, edit_position, PLAY_FORWARD);
 394
 395         double session_sample_rate = mwindow->edl->session->sample_rate;
 396         double asset_over_session = (double)indexable->get_sample_rate() / session_sample_rate;
 397         start_position *= asset_over_session;
 398         end_position *= asset_over_session;
 399         int sample_size = end_position - start_position;
 400         if( sample_size < 0 ) sample_size = 0;
 401         int source_samples = sample_size + 1;
 402
 403 // Single sample zoom
 404         if( mwindow->edl->local_session->zoom_sample == 1 ) {
 405                 Samples *buffer = 0;
 406                 int result = 0;
 407                 canvas->set_color(mwindow->theme->audio_color);
 408
 409                 if( indexable->is_asset ) {
 410                         mwindow->gui->unlock_window();
 411                         File *source = mwindow->audio_cache->check_out(edit->asset, mwindow->edl);
 412                         mwindow->gui->lock_window("draw_audio_source");
 413
 414                         if( !source ) {
 415                                 printf(_("ResourcePixmap::draw_audio_source: failed to check out %s for drawing.\n"), edit->asset->path);
 416                                 return;
 417                         }
 418
 419                         source->set_audio_position(start_position);
 420                         source->set_channel(edit->channel);
 421                         buffer = new Samples(source_samples);
 422                         result = source->read_samples(buffer, source_samples);
 423                         mwindow->audio_cache->check_in(edit->asset);
 424                 }
 425                 else {
 426                         if( mwindow->gui->render_engine &&
 427                                 mwindow->gui->render_engine_id != indexable->id ) {
 428                                 delete mwindow->gui->render_engine;
 429                                 mwindow->gui->render_engine = 0;
 430                         }
 431
 432                         if( !mwindow->gui->render_engine ) {
 433                                 TransportCommand command;
 434                                 command.command = NORMAL_FWD;
 435                                 command.get_edl()->copy_all(edit->nested_edl);
 436                                 command.change_type = CHANGE_ALL;
 437                                 command.realtime = 0;
 438                                 mwindow->gui->render_engine = new RenderEngine(0,
 439                                         mwindow->preferences, 0, 0);
 440                                 mwindow->gui->render_engine_id = edit->nested_edl->id;
 441                                 mwindow->gui->render_engine->set_acache(mwindow->audio_cache);
 442                                 mwindow->gui->render_engine->arm_command(&command);
 443                         }
 444
 445                         if( mwindow->gui->render_engine->arender ) {
 446                                 Samples *buffers[MAX_CHANNELS];
 447                                 memset(buffers, 0, sizeof(buffers));
 448                                 int nch = indexable->get_audio_channels(), ch = edit->channel;
 449                                 for( int i=0; i<nch; ++i )
 450                                         buffers[i] = new Samples(source_samples);
 451                                 mwindow->gui->render_engine->arender->process_buffer(
 452                                         buffers, source_samples, start_position);
 453                                 for( int i=0; i<nch; ++i )
 454                                         if( i != ch ) delete buffers[i];
 455                                 buffer = buffers[ch];
 456                         }
 457                 }
 458
 459                 if( !result ) {
 460                         double *samples = buffer->get_data();
 461                         int y1 = center_pixel - samples[0] * scale_y / 2;
 462                         int y2 = CLIP(y1, 0, y_max);
 463
 464                         for( int x0=0; x0<w; ++x0 ) {
 465                                 int x1 = x0 + x, x2 = x1 + 1;
 466                                 edit_position = (x1 + pixmap_x - edit_x) * project_zoom;
 467                                 int64_t speed_position = edit->startsource;
 468                                 speed_position += !speed_autos ? edit_position :
 469                                         speed_autos->automation_integral(
 470                                                 edit->startproject, edit_position, PLAY_FORWARD);
 471                                 int j = speed_position * asset_over_session - start_position;
 472                                 CLAMP(j, 0, sample_size);
 473                                 int y0 = y2;
 474                                 y1 = center_pixel - samples[j] * scale_y / 2;
 475                                 y2 = CLIP(y1, 0, y_max);
 476 //printf("ResourcePixmap::draw_audio_source %d %d %d\n", __LINE__, y1, y2);
 477                                 canvas->draw_line(x0, y0, x2, y2, this);
 478                         }
 479                 }
 480
 481                 delete buffer;
 482         }
 483         else {
 484                 edit_position = (x + pixmap_x - edit_x) * project_zoom;
 485                 int64_t speed_position = edit->startsource;
 486                 speed_position += !speed_autos ? edit_position :
 487                         speed_autos->automation_integral(
 488                                 edit->startproject, edit_position, PLAY_FORWARD);
 489                 int64_t next_position = asset_over_session * speed_position;
 490 // Multiple sample zoom
 491                 int first_pixel = 1, prev_y1 = -1, prev_y2 = y_max;
 492                 canvas->set_color(mwindow->theme->audio_color);
 493                 ++x;
 494
 495 // Draw each pixel from the cache
 496 //printf("ResourcePixmap::draw_audio_source %d x=%d w=%d\n", __LINE__, x, w);
 497                 for( int x2=x+w; x<x2; ++x ) {
 498                         int64_t prev_position = next_position;
 499                         edit_position = (x + pixmap_x - edit_x) * project_zoom;
 500                         speed_position = edit->startsource;
 501                         speed_position += !speed_autos ? edit_position :
 502                                 speed_autos->automation_integral(
 503                                         edit->startproject, edit_position, PLAY_FORWARD);
 504                         next_position = speed_position * asset_over_session;
 505 // Starting sample of pixel relative to asset rate.
 506                         WaveCacheItem *item = mwindow->wave_cache->get_wave(indexable->id,
 507                                         edit->channel, prev_position, next_position);
 508                         if( item ) {
 509 //printf("ResourcePixmap::draw_audio_source %d\n", __LINE__);
 510                                 int y_lo = (int)(center_pixel - item->low * scale_y / 2);
 511                                 int y1 = CLIP(y_lo, 0, y_max);
 512                                 int y_hi = (int)(center_pixel - item->high * scale_y / 2);
 513                                 int y2 = CLIP(y_hi, 0, y_max);
 514                                 if( !first_pixel ) {
 515                                         y_lo = MIN(y1,prev_y2);
 516                                         y_hi = MAX(y2,prev_y1);
 517                                 }
 518                                 else {
 519                                         first_pixel = 0;
 520                                         y_lo = y1;  y_hi = y2;
 521                                 }
 522                                 prev_y1 = y1;  prev_y2 = y2;
 523                                 canvas->draw_line(x, y_lo, x, y_hi, this);
 524 //printf("ResourcePixmap::draw_audio_source %d %d %d %d\n", __LINE__, x, y1, y2);
 525                                 mwindow->wave_cache->unlock();
 526                         }
 527                         else {
 528 //printf("ResourcePixmap::draw_audio_source %d\n", __LINE__);
 529                                 gui->resource_thread->add_wave(this,
 530                                         canvas->pane->number, indexable, x,
 531                                         edit->channel, prev_position, next_position);
 532                                 first_pixel = 1;  prev_y1 = -1;  prev_y2 = y_max;
 533                         }
 534                 }
 535         }
 536
 537         canvas->test_timer();
 538 }
 539
 540 void ResourcePixmap::draw_wave(TrackCanvas *canvas,
 541         int x, double high, double low)
 542 {
 543         int top_pixel = 0;
 544         if( mwindow->edl->session->show_titles )
 545                 top_pixel += mwindow->theme->get_image("title_bg_data")->get_h();
 546         int center_pixel = mwindow->edl->local_session->zoom_track / 2 + top_pixel;
 547         int bottom_pixel = top_pixel + mwindow->edl->local_session->zoom_track;
 548         int y1 = (int)(center_pixel -
 549                 low * mwindow->edl->local_session->zoom_y / 2);
 550         int y2 = (int)(center_pixel -
 551                 high * mwindow->edl->local_session->zoom_y / 2);
 552         CLAMP(y1, top_pixel, bottom_pixel);
 553         CLAMP(y2, top_pixel, bottom_pixel);
 554         canvas->set_color(mwindow->theme->audio_color);
 555         canvas->draw_line(x, y1, x, y2, this);
 556 }
 557
 558
 559 void ResourcePixmap::draw_video_resource(TrackCanvas *canvas,
 560         Edit *edit, int64_t edit_x, int64_t edit_w, int64_t pixmap_x, int64_t pixmap_w,
 561         int refresh_x, int refresh_w, int mode)
 562 {
 563 //PRINT_TRACE
 564 //BC_Signals::dump_stack();
 565
 566 // pixels spanned by a picon
 567         int64_t picon_w = Units::round(edit->picon_w());
 568         int64_t picon_h = edit->picon_h();
 569 //      if( picon_w <= 0 || picon_w > edit_w ) return;
 570 // Don't draw video if picon is empty, or edit only hairline
 571         if( picon_w < 1 || edit_w < 2 ) return;
 572 // or bigger than edit and fills at less than 1.5 percent timeline
 573         if( picon_w > edit_w && edit_w < canvas->get_w()/64 ) return;
 574
 575 // Frames spanned by a picon
 576         double frame_w = edit->frame_w();
 577 // pixels spanned by a frame
 578         if( frame_w < picon_w ) frame_w = picon_w;
 579 // Current pixel relative to pixmap
 580         int y = 0;
 581         if( edit->track->show_titles() )
 582                 y += mwindow->theme->get_image("title_bg_data")->get_h();
 583
 584 // Frame in project touched by current pixel
 585         FloatAutos *speed_autos = !edit->track->has_speed() ? 0 :
 586                 (FloatAutos *)edit->track->automation->autos[AUTOMATION_SPEED];
 587         Indexable *indexable = edit->get_source();
 588         double session_sample_rate = mwindow->edl->session->sample_rate;
 589         double project_zoom = mwindow->edl->local_session->zoom_sample / session_sample_rate;
 590         int skip_frames = Units::to_int64(((int64_t)refresh_x + pixmap_x - edit_x) / frame_w);
 591         int x = Units::to_int64(skip_frames * frame_w) + edit_x - pixmap_x;
 592
 593 // Draw only cached frames
 594         while( x < refresh_x + refresh_w ) {
 595                 int64_t edit_position =
 596                         edit->track->to_units((x + pixmap_x - edit_x) * project_zoom, 0);
 597                 int64_t speed_position = edit->startsource;
 598                 speed_position += !speed_autos ? edit_position :
 599                          speed_autos->automation_integral(
 600                                 edit->startproject, edit_position, PLAY_FORWARD);
 601                 VFrame *picon_frame = indexable->id < 0 ? 0 :
 602                         mwindow->frame_cache->get_frame_ptr(speed_position, edit->channel,
 603                                 mwindow->edl->session->frame_rate, BC_RGB888,
 604                                 picon_w, picon_h, indexable->id);
 605                 if( picon_frame ) {
 606                         draw_vframe(picon_frame, x, y, picon_w, picon_h, 0, 0);
 607                         mwindow->frame_cache->unlock();
 608                 }
 609                 else if( mode != IGNORE_THREAD ) {
 610 // Set picon thread to draw in background
 611 // printf("ResourcePixmap::draw_video_resource %d %d %lld\n",
 612 // __LINE__, mwindow->frame_cache->total(), source_frame);
 613                         gui->resource_thread->add_picon(this, canvas->pane->number, x, y,
 614                                 picon_w, picon_h, mwindow->edl->session->frame_rate,
 615                                 speed_position, edit->channel, indexable);
 616                 }
 617                 x += frame_w;
 618                 canvas->test_timer();
 619         }
 620 }
 621
 622 #include "strack.h"
 623
 624 void ResourcePixmap::draw_subttl_resource(TrackCanvas *canvas, Edit *edit, int x, int w)
 625 {
 626         SEdit *sedit = (SEdit *)edit;
 627         char *text = sedit->get_text();
 628         if( !*text || w < 10 ) return;
 629         int center_pixel = canvas->resource_h() / 2;
 630         if( edit->track->show_titles() )
 631                 center_pixel += mwindow->theme->get_image("title_bg_data")->get_h();
 632         int64_t scale_y = mwindow->edl->local_session->zoom_y;
 633         int x0 = edit_x;
 634         if( x0 < 0 ) x0 = -x0;
 635         int x1 = (int)(pixmap_x - x0 + x);
 636         int y_max = center_pixel + scale_y / 2 - 1;
 637         int font = MEDIUMFONT, color = WHITE;
 638         canvas->set_font(font);
 639         canvas->set_color(color);
 640         int ch = canvas->get_text_height(font);
 641         int hh = canvas->get_text_height(font,text) + ch/2;
 642         int y1 = y_max - hh - 10;
 643         if( y1 < 0 ) y1 = 0;
 644         canvas->draw_text(x1, y1, text, -1, this);
 645 }
 646
 647 void ResourcePixmap::dump()
 648 {
 649         printf("ResourcePixmap %p\n", this);
 650         printf(" edit %jx edit_x %jd pixmap_x %jd pixmap_w %jd visible %d\n",
 651                 edit_id, edit_x, pixmap_x, pixmap_w, visible);
 652 }
 653