3 * Copyright (C) 2010 Adam Williams <broadcast at earthling dot net>
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 #include "automation.h"
28 #include "edlsession.h"
33 #include "localsession.h"
38 #include "mainsession.h"
42 #include "trackcanvas.h"
44 #include "transportque.inc"
48 Tracks::Tracks(EDL *edl)
69 void Tracks::equivalent_output(Tracks *tracks, double *result)
71 if(total_playable_vtracks() != tracks->total_playable_vtracks())
77 Track *current = first;
78 Track *that_current = tracks->first;
79 while(current || that_current)
81 // Get next video track
82 while(current && current->data_type != TRACK_VIDEO)
85 while(that_current && that_current->data_type != TRACK_VIDEO)
86 that_current = that_current->next;
88 // One doesn't exist but the other does
89 if((!current && that_current) ||
90 (current && !that_current))
97 if(current && that_current)
99 current->equivalent_output(that_current, result);
101 that_current = that_current->next;
108 void Tracks::clear_selected_edits()
110 for( Track *track=first; track; track=track->next ) {
111 for( Edit *edit=track->edits->first; edit; edit=edit->next )
112 edit->is_selected = 0;
116 void Tracks::select_affected_edits(double position, Track *start_track, int sense)
118 for( Track *track=start_track; track; track=track->next ) {
119 if( !track->record ) continue;
120 for( Edit *edit=track->edits->first; edit; edit=edit->next ) {
121 if( edit->silence() ) continue;
122 double startproject = track->from_units(edit->startproject);
123 if( edl->equivalent(startproject, position) ) {
124 edit->is_selected = sense >= 0 ? sense :
125 edit->is_selected ? 0 : 1;
132 void Tracks::get_selected_edits(ArrayList<Edit*> *drag_edits)
134 drag_edits->remove_all();
135 for( Track *track=first; track; track=track->next ) {
136 if( !track->record ) continue;
137 for( Edit *edit=track->edits->first; edit; edit=edit->next ) {
138 if( !edit->is_selected ) continue;
139 drag_edits->append(edit);
144 void Tracks::get_automation_extents(float *min,
152 int coords_undefined = 1;
153 for(Track *current = first; current; current = NEXT)
157 current->automation->get_extents(min,
160 current->to_units(start, 0),
161 current->to_units(end, 1),
168 void Tracks::copy_from(Tracks *tracks)
170 Track *new_track = 0;
173 for(Track *current = tracks->first; current; current = NEXT)
175 switch(current->data_type)
178 new_track = add_audio_track(0, 0);
181 new_track = add_video_track(0, 0);
184 new_track = add_subttl_track(0, 0);
189 new_track->copy_from(current);
193 Tracks& Tracks::operator=(Tracks &tracks)
195 printf("Tracks::operator= 1\n");
200 int Tracks::load(FileXML *xml,
204 // add the appropriate type of track
205 char string[BCTEXTLEN];
209 xml->tag.get_property("TYPE", string);
211 if((load_flags & LOAD_ALL) == LOAD_ALL ||
212 (load_flags & LOAD_EDITS)) {
213 if(!strcmp(string, "VIDEO")) {
214 track = add_video_track(0, 0);
216 else if(!strcmp(string, "SUBTTL")) {
217 track = add_subttl_track(0, 0);
220 track = add_audio_track(0, 0); // default to audio
224 track = get_item_number(track_offset++);
228 if( track ) track->load(xml, track_offset, load_flags);
233 Track* Tracks::add_audio_track(int above, Track *dst_track)
235 ATrack* new_track = new ATrack(edl, this);
238 dst_track = (above ? first : last);
243 insert_before(dst_track, (Track*)new_track);
247 insert_after(dst_track, (Track*)new_track);
248 // Shift effects referenced below the destination track
251 // Shift effects referenced below the new track
252 for(Track *track = last;
253 track && track != new_track;
254 track = track->previous)
256 change_modules(number_of(track) - 1, number_of(track), 0);
260 new_track->create_objects();
261 new_track->set_default_title();
264 for(Track *current = first;
265 current != (Track*)new_track;
268 if(current->data_type == TRACK_AUDIO) current_pan++;
269 if(current_pan >= edl->session->audio_channels) current_pan = 0;
275 (PanAuto*)new_track->automation->autos[AUTOMATION_PAN]->default_auto;
276 pan_auto->values[current_pan] = 1.0;
278 BC_Pan::calculate_stick_position(edl->session->audio_channels,
279 edl->session->achannel_positions,
288 Track* Tracks::add_video_track(int above, Track *dst_track)
290 VTrack* new_track = new VTrack(edl, this);
292 dst_track = (above ? first : last);
294 insert_before(dst_track, (Track*)new_track);
296 insert_after(dst_track, (Track*)new_track);
298 for(Track *track = last; track && track != new_track; track = track->previous)
299 change_modules(number_of(track) - 1, number_of(track), 0);
301 new_track->create_objects();
302 new_track->set_default_title();
307 Track* Tracks::add_subttl_track(int above, Track *dst_track)
309 STrack* new_track = new STrack(edl, this);
311 dst_track = (above ? first : last);
314 insert_before(dst_track, (Track*)new_track);
316 insert_after(dst_track, (Track*)new_track);
318 for(Track *track = last; track && track != new_track; track = track->previous)
319 change_modules(number_of(track) - 1, number_of(track), 0);
321 new_track->create_objects();
322 new_track->set_default_title();
323 // new_track->paste_silence(0,total_length(),0);
328 int Tracks::delete_track(Track *track)
333 int old_location = number_of(track);
334 detach_shared_effects(old_location);
336 // Shift effects referencing effects below the deleted track
337 for(Track *current = track;
341 change_modules(number_of(current), number_of(current) - 1, 0);
343 if(track) delete track;
348 int Tracks::detach_shared_effects(int module)
350 for(Track *current = first; current; current = NEXT)
352 current->detach_shared_effects(module);
358 int Tracks::total_of(int type)
362 for(Track *current = first; current; current = NEXT)
364 long unit_start = current->to_units(edl->local_session->get_selectionstart(1), 0);
365 Auto *mute_keyframe = 0;
366 current->automation->autos[AUTOMATION_MUTE]->
367 get_prev_auto(unit_start, PLAY_FORWARD, mute_keyframe);
368 IntAuto *mute_auto = (IntAuto *)mute_keyframe;
371 (current->play && type == PLAY) ||
372 (current->record && type == RECORD) ||
373 (current->gang && type == GANG) ||
374 (current->draw && type == DRAW) ||
375 (mute_auto->value && type == MUTE) ||
376 (current->expand_view && type == EXPAND);
381 int Tracks::recordable_audio_tracks()
384 for(Track *current = first; current; current = NEXT)
385 if(current->data_type == TRACK_AUDIO && current->record) result++;
389 int Tracks::recordable_video_tracks()
392 for(Track *current = first; current; current = NEXT)
394 if(current->data_type == TRACK_VIDEO && current->record) result++;
400 int Tracks::playable_audio_tracks()
404 for(Track *current = first; current; current = NEXT)
406 if(current->data_type == TRACK_AUDIO && current->play)
415 int Tracks::playable_video_tracks()
419 for(Track *current = first; current; current = NEXT)
421 if(current->data_type == TRACK_VIDEO && current->play)
429 int Tracks::total_audio_tracks()
432 for(Track *current = first; current; current = NEXT)
433 if(current->data_type == TRACK_AUDIO) result++;
437 int Tracks::total_video_tracks()
440 for(Track *current = first; current; current = NEXT)
441 if(current->data_type == TRACK_VIDEO) result++;
445 double Tracks::total_playable_length()
448 for(Track *current = first; current; current = NEXT)
452 double length = current->get_length();
453 if(length > total) total = length;
459 double Tracks::total_recordable_length()
462 for(Track *current = first; current; current = NEXT)
466 double length = current->get_length();
467 if(length > total) total = length;
473 double Tracks::total_length()
476 for(Track *current = first; current; current = NEXT)
478 double length = current->get_length();
479 if(length > total) total = length;
484 double Tracks::total_audio_length()
487 for(Track *current = first; current; current = NEXT)
489 if(current->data_type == TRACK_AUDIO &&
490 current->get_length() > total) total = current->get_length();
495 double Tracks::total_video_length()
498 for(Track *current = first; current; current = NEXT)
500 if(current->data_type == TRACK_VIDEO &&
501 current->get_length() > total) total = current->get_length();
506 double Tracks::total_length_framealigned(double fps)
508 if (total_audio_tracks() && total_video_tracks())
509 return MIN(floor(total_audio_length() * fps), floor(total_video_length() * fps)) / fps;
511 if (total_audio_tracks())
512 return floor(total_audio_length() * fps) / fps;
514 if (total_video_tracks())
515 return floor(total_video_length() * fps) / fps;
520 void Tracks::translate_projector(float offset_x, float offset_y)
522 for(Track *current = first; current; current = NEXT)
524 if(current->data_type == TRACK_VIDEO)
526 ((VTrack*)current)->translate(offset_x, offset_y, 0);
531 void Tracks::update_y_pixels(Theme *theme)
533 // int y = -edl->local_session->track_start;
535 for(Track *current = first; current; current = NEXT)
537 //printf("Tracks::update_y_pixels %d\n", y);
538 current->y_pixel = y;
539 y += current->vertical_span(theme);
543 int Tracks::dump(FILE *fp)
545 for(Track* current = first; current; current = NEXT)
547 fprintf(fp," Track: %p\n", current);
554 void Tracks::select_all(int type,
557 for(Track* current = first; current; current = NEXT)
559 double position = edl->local_session->get_selectionstart(1);
561 if(type == PLAY) current->play = value;
562 if(type == RECORD) current->record = value;
563 if(type == GANG) current->gang = value;
564 if(type == DRAW) current->draw = value;
568 ((IntAuto*)current->automation->autos[AUTOMATION_MUTE]->get_auto_for_editing(position))->value = value;
571 if(type == EXPAND) current->expand_view = value;
575 // ===================================== file operations
577 int Tracks::popup_transition(int cursor_x, int cursor_y)
580 for(Track* current = first; current && !result; current = NEXT)
582 result = current->popup_transition(cursor_x, cursor_y);
588 int Tracks::change_channels(int oldchannels, int newchannels)
590 for(Track *current = first; current; current = NEXT)
591 { current->change_channels(oldchannels, newchannels); }
597 int Tracks::totalpixels()
600 for(Track* current = first; current; current = NEXT)
602 result += edl->local_session->zoom_track;
607 int Tracks::number_of(Track *track)
610 for(Track *current = first; current && current != track; current = NEXT)
617 Track* Tracks::number(int number)
621 for(current = first; current && i < number; current = NEXT)
629 int Tracks::total_playable_vtracks()
632 for(Track *current = first; current; current = NEXT)
634 if(current->data_type == TRACK_VIDEO && current->play) result++;
639 int Tracks::plugin_exists(Plugin *plugin)
641 for(Track *track = first; track; track = track->next)
643 if(track->plugin_exists(plugin)) return 1;
648 int Tracks::track_exists(Track *track)
650 for(Track *current = first; current; current = NEXT)
652 if(current == track) return 1;
657 int Tracks::new_group(int id)
660 for( Track *track=first; track; track=track->next ) {
661 if( !track->record ) continue;
662 for( Edit *edit=track->edits->first; edit; edit=edit->next ) {
663 if( edit->group_id > 0 ) continue;
664 if( !edit->is_selected ) continue;
672 int Tracks::set_group_selected(int id, int v)
675 for( Track *track=first; track; track=track->next ) {
676 for( Edit *edit=track->edits->first; edit; edit=edit->next ) {
677 if( edit->group_id != id ) continue;
678 edit->is_selected = v >= 0 ? v : !edit->is_selected ? 1 : 0;
685 int Tracks::del_group(int id)
688 for( Track *track=first; track; track=track->next ) {
689 for( Edit *edit=track->edits->first; edit; edit=edit->next ) {
690 if( edit->group_id != id ) continue;
691 edit->is_selected = 1;
699 Track *Tracks::get(int idx, int data_type)
701 for(Track *current = first; current; current = NEXT)
703 if( current->data_type != data_type ) continue;
704 if( --idx < 0 ) return current;