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)
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 double startproject = track->from_units(edit->startproject);
122 if( edl->equivalent(startproject, position) ) {
123 edit->is_selected = 1;
130 void Tracks::get_selected_edits(ArrayList<Edit*> *drag_edits)
132 drag_edits->remove_all();
133 for( Track *track=first; track; track=track->next ) {
134 for( Edit *edit=track->edits->first; edit; edit=edit->next ) {
135 if( !edit->is_selected ) continue;
136 drag_edits->append(edit);
141 void Tracks::get_automation_extents(float *min,
149 int coords_undefined = 1;
150 for(Track *current = first; current; current = NEXT)
154 current->automation->get_extents(min,
157 current->to_units(start, 0),
158 current->to_units(end, 1),
165 void Tracks::copy_from(Tracks *tracks)
167 Track *new_track = 0;
170 for(Track *current = tracks->first; current; current = NEXT)
172 switch(current->data_type)
175 new_track = add_audio_track(0, 0);
178 new_track = add_video_track(0, 0);
181 new_track = add_subttl_track(0, 0);
186 new_track->copy_from(current);
190 Tracks& Tracks::operator=(Tracks &tracks)
192 printf("Tracks::operator= 1\n");
197 int Tracks::load(FileXML *xml,
201 // add the appropriate type of track
202 char string[BCTEXTLEN];
206 xml->tag.get_property("TYPE", string);
208 if((load_flags & LOAD_ALL) == LOAD_ALL ||
209 (load_flags & LOAD_EDITS)) {
210 if(!strcmp(string, "VIDEO")) {
211 track = add_video_track(0, 0);
213 else if(!strcmp(string, "SUBTTL")) {
214 track = add_subttl_track(0, 0);
217 track = add_audio_track(0, 0); // default to audio
221 track = get_item_number(track_offset++);
225 if( track ) track->load(xml, track_offset, load_flags);
230 Track* Tracks::add_audio_track(int above, Track *dst_track)
232 ATrack* new_track = new ATrack(edl, this);
235 dst_track = (above ? first : last);
240 insert_before(dst_track, (Track*)new_track);
244 insert_after(dst_track, (Track*)new_track);
245 // Shift effects referenced below the destination track
248 // Shift effects referenced below the new track
249 for(Track *track = last;
250 track && track != new_track;
251 track = track->previous)
253 change_modules(number_of(track) - 1, number_of(track), 0);
257 new_track->create_objects();
258 new_track->set_default_title();
261 for(Track *current = first;
262 current != (Track*)new_track;
265 if(current->data_type == TRACK_AUDIO) current_pan++;
266 if(current_pan >= edl->session->audio_channels) current_pan = 0;
272 (PanAuto*)new_track->automation->autos[AUTOMATION_PAN]->default_auto;
273 pan_auto->values[current_pan] = 1.0;
275 BC_Pan::calculate_stick_position(edl->session->audio_channels,
276 edl->session->achannel_positions,
285 Track* Tracks::add_video_track(int above, Track *dst_track)
287 VTrack* new_track = new VTrack(edl, this);
289 dst_track = (above ? first : last);
291 insert_before(dst_track, (Track*)new_track);
293 insert_after(dst_track, (Track*)new_track);
295 for(Track *track = last; track && track != new_track; track = track->previous)
296 change_modules(number_of(track) - 1, number_of(track), 0);
298 new_track->create_objects();
299 new_track->set_default_title();
304 Track* Tracks::add_subttl_track(int above, Track *dst_track)
306 STrack* new_track = new STrack(edl, this);
308 dst_track = (above ? first : last);
311 insert_before(dst_track, (Track*)new_track);
313 insert_after(dst_track, (Track*)new_track);
315 for(Track *track = last; track && track != new_track; track = track->previous)
316 change_modules(number_of(track) - 1, number_of(track), 0);
318 new_track->create_objects();
319 new_track->set_default_title();
320 // new_track->paste_silence(0,total_length(),0);
325 int Tracks::delete_track(Track *track)
330 int old_location = number_of(track);
331 detach_shared_effects(old_location);
333 // Shift effects referencing effects below the deleted track
334 for(Track *current = track;
338 change_modules(number_of(current), number_of(current) - 1, 0);
340 if(track) delete track;
345 int Tracks::detach_shared_effects(int module)
347 for(Track *current = first; current; current = NEXT)
349 current->detach_shared_effects(module);
355 int Tracks::total_of(int type)
359 for(Track *current = first; current; current = NEXT)
361 long unit_start = current->to_units(edl->local_session->get_selectionstart(1), 0);
362 Auto *mute_keyframe = 0;
363 current->automation->autos[AUTOMATION_MUTE]->
364 get_prev_auto(unit_start, PLAY_FORWARD, mute_keyframe);
365 IntAuto *mute_auto = (IntAuto *)mute_keyframe;
368 (current->play && type == PLAY) ||
369 (current->record && type == RECORD) ||
370 (current->gang && type == GANG) ||
371 (current->draw && type == DRAW) ||
372 (mute_auto->value && type == MUTE) ||
373 (current->expand_view && type == EXPAND);
378 int Tracks::recordable_audio_tracks()
381 for(Track *current = first; current; current = NEXT)
382 if(current->data_type == TRACK_AUDIO && current->record) result++;
386 int Tracks::recordable_video_tracks()
389 for(Track *current = first; current; current = NEXT)
391 if(current->data_type == TRACK_VIDEO && current->record) result++;
397 int Tracks::playable_audio_tracks()
401 for(Track *current = first; current; current = NEXT)
403 if(current->data_type == TRACK_AUDIO && current->play)
412 int Tracks::playable_video_tracks()
416 for(Track *current = first; current; current = NEXT)
418 if(current->data_type == TRACK_VIDEO && current->play)
426 int Tracks::total_audio_tracks()
429 for(Track *current = first; current; current = NEXT)
430 if(current->data_type == TRACK_AUDIO) result++;
434 int Tracks::total_video_tracks()
437 for(Track *current = first; current; current = NEXT)
438 if(current->data_type == TRACK_VIDEO) result++;
442 double Tracks::total_playable_length()
445 for(Track *current = first; current; current = NEXT)
449 double length = current->get_length();
450 if(length > total) total = length;
456 double Tracks::total_recordable_length()
459 for(Track *current = first; current; current = NEXT)
463 double length = current->get_length();
464 if(length > total) total = length;
470 double Tracks::total_length()
473 for(Track *current = first; current; current = NEXT)
475 double length = current->get_length();
476 if(length > total) total = length;
481 double Tracks::total_audio_length()
484 for(Track *current = first; current; current = NEXT)
486 if(current->data_type == TRACK_AUDIO &&
487 current->get_length() > total) total = current->get_length();
492 double Tracks::total_video_length()
495 for(Track *current = first; current; current = NEXT)
497 if(current->data_type == TRACK_VIDEO &&
498 current->get_length() > total) total = current->get_length();
503 double Tracks::total_length_framealigned(double fps)
505 if (total_audio_tracks() && total_video_tracks())
506 return MIN(floor(total_audio_length() * fps), floor(total_video_length() * fps)) / fps;
508 if (total_audio_tracks())
509 return floor(total_audio_length() * fps) / fps;
511 if (total_video_tracks())
512 return floor(total_video_length() * fps) / fps;
517 void Tracks::translate_projector(float offset_x, float offset_y)
519 for(Track *current = first; current; current = NEXT)
521 if(current->data_type == TRACK_VIDEO)
523 ((VTrack*)current)->translate(offset_x, offset_y, 0);
528 void Tracks::update_y_pixels(Theme *theme)
530 // int y = -edl->local_session->track_start;
532 for(Track *current = first; current; current = NEXT)
534 //printf("Tracks::update_y_pixels %d\n", y);
535 current->y_pixel = y;
536 y += current->vertical_span(theme);
540 int Tracks::dump(FILE *fp)
542 for(Track* current = first; current; current = NEXT)
544 fprintf(fp," Track: %p\n", current);
551 void Tracks::select_all(int type,
554 for(Track* current = first; current; current = NEXT)
556 double position = edl->local_session->get_selectionstart(1);
558 if(type == PLAY) current->play = value;
559 if(type == RECORD) current->record = value;
560 if(type == GANG) current->gang = value;
561 if(type == DRAW) current->draw = value;
565 ((IntAuto*)current->automation->autos[AUTOMATION_MUTE]->get_auto_for_editing(position))->value = value;
568 if(type == EXPAND) current->expand_view = value;
572 // ===================================== file operations
574 int Tracks::popup_transition(int cursor_x, int cursor_y)
577 for(Track* current = first; current && !result; current = NEXT)
579 result = current->popup_transition(cursor_x, cursor_y);
585 int Tracks::change_channels(int oldchannels, int newchannels)
587 for(Track *current = first; current; current = NEXT)
588 { current->change_channels(oldchannels, newchannels); }
594 int Tracks::totalpixels()
597 for(Track* current = first; current; current = NEXT)
599 result += edl->local_session->zoom_track;
604 int Tracks::number_of(Track *track)
607 for(Track *current = first; current && current != track; current = NEXT)
614 Track* Tracks::number(int number)
618 for(current = first; current && i < number; current = NEXT)
626 int Tracks::total_playable_vtracks()
629 for(Track *current = first; current; current = NEXT)
631 if(current->data_type == TRACK_VIDEO && current->play) result++;
636 int Tracks::plugin_exists(Plugin *plugin)
638 for(Track *track = first; track; track = track->next)
640 if(track->plugin_exists(plugin)) return 1;
645 int Tracks::track_exists(Track *track)
647 for(Track *current = first; current; current = NEXT)
649 if(current == track) return 1;
655 Track *Tracks::get(int idx, int data_type)
657 for(Track *current = first; current; current = NEXT)
659 if( current->data_type != data_type ) continue;
660 if( --idx < 0 ) return current;