4 * Copyright (C) 1997-2014 Adam Williams <broadcast at earthling dot net>
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.
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.
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
28 #include "automation.h"
30 #include "bcsignals.h"
33 #include "bccmodels.h"
38 #include "edlsession.h"
40 #include "filesystem.h"
41 #include "floatauto.h"
42 #include "floatautos.h"
43 #include "framecache.h"
44 #include "indexfile.h"
46 #include "localsession.h"
48 #include "mwindowgui.h"
49 #include "renderengine.h"
50 #include "resourcethread.h"
51 #include "resourcepixmap.h"
54 #include "timelinepane.h"
56 #include "trackcanvas.h"
57 #include "transportque.h"
60 #include "wavecache.h"
63 ResourcePixmap::ResourcePixmap(MWindow *mwindow,
69 : BC_Pixmap(gui, w, h)
73 this->mwindow = mwindow;
75 this->pane_number = pane_number;
76 startsource = edit->startsource;
77 data_type = edit->track->data_type;
79 source_framerate = edit->asset->frame_rate;
80 source_samplerate = edit->asset->sample_rate;
83 if( edit->nested_edl ) {
84 source_framerate = edit->nested_edl->session->frame_rate;
85 source_samplerate = edit->nested_edl->session->sample_rate;
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;
93 ResourcePixmap::~ResourcePixmap()
98 void ResourcePixmap::reset()
110 void ResourcePixmap::resize(int w, int h)
112 int new_w = (w > get_w()) ? w : get_w();
113 int new_h = (h > get_h()) ? h : get_h();
115 BC_Pixmap::resize(new_w, new_h);
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)
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;
128 startsource = edit->startsource;
130 source_framerate = edit->asset->frame_rate;
132 if( edit->nested_edl )
133 source_framerate = edit->nested_edl->session->frame_rate;
135 source_samplerate = edit->asset->sample_rate;
136 else if( edit->nested_edl )
137 source_samplerate = edit->nested_edl->session->sample_rate;
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;
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)
151 // Get new areas to fill in relative to pixmap
152 // Area to redraw relative to pixmap
156 // Ignore if called by resourcethread.
157 // if( mode == IGNORE_THREAD ) return;
160 if( edit->track->show_titles() )
161 y += mwindow->theme->get_image("title_bg_data")->get_h();
163 // If want indexes only & index can't be drawn, don't do anything.
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();
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 *
190 /* Incremental drawing is not possible with resource thread */
193 refresh_w = pixmap_w;
195 // Draw background image
197 mwindow->theme->draw_resource_bg(canvas,
204 refresh_x + refresh_w,
205 mwindow->edl->local_session->zoom_track + y);
206 //printf("ResourcePixmap::draw_data 70\n");
209 // Draw media which already exists
210 Track *track = edit->track;
212 switch( track->data_type )
215 draw_audio_resource(canvas,
222 draw_video_resource(canvas,
234 draw_subttl_resource(canvas,
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)
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;
253 if( x < 0 ) { w -= -x; x = 0; }
254 if( w > pixmap_w ) w -= w - pixmap_w;
256 canvas->draw_3segmenth(x, 0, w, total_x, total_w,
257 mwindow->theme->get_image("title_bg_data"), this);
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);
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);
277 // Need to draw one more x
278 void ResourcePixmap::draw_audio_resource(TrackCanvas *canvas, Edit *edit, int x, int w)
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);
288 IndexState *index_state = indexable->index_state;
289 double asset_over_session = (double)indexable->get_sample_rate() /
290 mwindow->edl->session->sample_rate;
292 // Develop strategy for drawing
293 // printf("ResourcePixmap::draw_audio_resource %d %p %d\n",
296 // index_state->index_status);
297 switch( index_state->index_status )
299 case INDEX_NOTTESTED:
302 // Disabled. All files have an index.
303 // case INDEX_TOOSMALL:
304 // draw_audio_source(canvas, edit, x, w);
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__);
316 draw_audio_source(canvas, edit, x, w);
319 //printf("ResourcePixmap::draw_audio_resource %d\n", __LINE__);
320 indexfile.draw_index(canvas,
328 indexfile.close_index();
353 void ResourcePixmap::draw_audio_source(TrackCanvas *canvas, Edit *edit, int x, int 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;
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);
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;
383 // Single sample zoom
384 if( mwindow->edl->local_session->zoom_sample == 1 ) {
387 canvas->set_color(mwindow->theme->audio_color);
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");
395 printf(_("ResourcePixmap::draw_audio_source: failed to check out %s for drawing.\n"), edit->asset->path);
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);
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;
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);
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];
440 double *samples = buffer->get_data();
441 int y1 = center_pixel - samples[0] * scale_y / 2;
442 int y2 = CLIP(y1, 0, y_max);
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);
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);
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);
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);
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);
495 y_lo = MIN(y1,prev_y2);
496 y_hi = MAX(y2,prev_y1);
500 y_lo = y1; y_hi = y2;
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();
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;
517 canvas->test_timer();
520 void ResourcePixmap::draw_wave(TrackCanvas *canvas,
521 int x, double high, double low)
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);
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)
544 //BC_Signals::dump_stack();
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;
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
561 if( edit->track->show_titles() )
562 y += mwindow->theme->get_image("title_bg_data")->get_h();
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;
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);
586 draw_vframe(picon_frame, x, y, picon_w, picon_h, 0, 0);
587 mwindow->frame_cache->unlock();
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);
598 canvas->test_timer();
604 void ResourcePixmap::draw_subttl_resource(TrackCanvas *canvas, Edit *edit, int x, int w)
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;
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;
624 canvas->draw_text(x1, y1, text, -1, this);
627 void ResourcePixmap::dump()
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);