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