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;
110 void Tracks::get_affected_edits(ArrayList<Edit*> *drag_edits, double position, Track *start_track)
112 drag_edits->remove_all();
114 for(Track *track = start_track;
118 //printf("Tracks::get_affected_edits 1 %p %d %d\n", track, track->data_type, track->record);
121 for(Edit *edit = track->edits->first; edit; edit = edit->next)
123 double startproject = track->from_units(edit->startproject);
124 //printf("Tracks::get_affected_edits 1 %d\n", edl->equivalent(startproject, position));
125 if(edl->equivalent(startproject, position))
127 drag_edits->append(edit);
136 void Tracks::get_automation_extents(float *min,
144 int coords_undefined = 1;
145 for(Track *current = first; current; current = NEXT)
149 current->automation->get_extents(min,
152 current->to_units(start, 0),
153 current->to_units(end, 1),
160 void Tracks::copy_from(Tracks *tracks)
162 Track *new_track = 0;
165 for(Track *current = tracks->first; current; current = NEXT)
167 switch(current->data_type)
170 new_track = add_audio_track(0, 0);
173 new_track = add_video_track(0, 0);
176 new_track = add_subttl_track(0, 0);
181 new_track->copy_from(current);
185 Tracks& Tracks::operator=(Tracks &tracks)
187 printf("Tracks::operator= 1\n");
192 int Tracks::load(FileXML *xml,
196 // add the appropriate type of track
197 char string[BCTEXTLEN];
201 xml->tag.get_property("TYPE", string);
203 if((load_flags & LOAD_ALL) == LOAD_ALL ||
204 (load_flags & LOAD_EDITS)) {
205 if(!strcmp(string, "VIDEO")) {
206 track = add_video_track(0, 0);
208 else if(!strcmp(string, "SUBTTL")) {
209 track = add_subttl_track(0, 0);
212 track = add_audio_track(0, 0); // default to audio
216 track = get_item_number(track_offset++);
220 if( track ) track->load(xml, track_offset, load_flags);
225 Track* Tracks::add_audio_track(int above, Track *dst_track)
227 ATrack* new_track = new ATrack(edl, this);
230 dst_track = (above ? first : last);
235 insert_before(dst_track, (Track*)new_track);
239 insert_after(dst_track, (Track*)new_track);
240 // Shift effects referenced below the destination track
243 // Shift effects referenced below the new track
244 for(Track *track = last;
245 track && track != new_track;
246 track = track->previous)
248 change_modules(number_of(track) - 1, number_of(track), 0);
252 new_track->create_objects();
253 new_track->set_default_title();
256 for(Track *current = first;
257 current != (Track*)new_track;
260 if(current->data_type == TRACK_AUDIO) current_pan++;
261 if(current_pan >= edl->session->audio_channels) current_pan = 0;
267 (PanAuto*)new_track->automation->autos[AUTOMATION_PAN]->default_auto;
268 pan_auto->values[current_pan] = 1.0;
270 BC_Pan::calculate_stick_position(edl->session->audio_channels,
271 edl->session->achannel_positions,
280 Track* Tracks::add_video_track(int above, Track *dst_track)
282 VTrack* new_track = new VTrack(edl, this);
284 dst_track = (above ? first : last);
286 insert_before(dst_track, (Track*)new_track);
288 insert_after(dst_track, (Track*)new_track);
290 for(Track *track = last; track && track != new_track; track = track->previous)
291 change_modules(number_of(track) - 1, number_of(track), 0);
293 new_track->create_objects();
294 new_track->set_default_title();
299 Track* Tracks::add_subttl_track(int above, Track *dst_track)
301 STrack* new_track = new STrack(edl, this);
303 dst_track = (above ? first : last);
306 insert_before(dst_track, (Track*)new_track);
308 insert_after(dst_track, (Track*)new_track);
310 for(Track *track = last; track && track != new_track; track = track->previous)
311 change_modules(number_of(track) - 1, number_of(track), 0);
313 new_track->create_objects();
314 new_track->set_default_title();
315 // new_track->paste_silence(0,total_length(),0);
320 int Tracks::delete_track(Track *track)
325 int old_location = number_of(track);
326 detach_shared_effects(old_location);
328 // Shift effects referencing effects below the deleted track
329 for(Track *current = track;
333 change_modules(number_of(current), number_of(current) - 1, 0);
335 if(track) delete track;
340 int Tracks::detach_shared_effects(int module)
342 for(Track *current = first; current; current = NEXT)
344 current->detach_shared_effects(module);
350 int Tracks::total_of(int type)
354 for(Track *current = first; current; current = NEXT)
356 long unit_start = current->to_units(edl->local_session->get_selectionstart(1), 0);
357 Auto *mute_keyframe = 0;
358 current->automation->autos[AUTOMATION_MUTE]->
359 get_prev_auto(unit_start, PLAY_FORWARD, mute_keyframe);
360 IntAuto *mute_auto = (IntAuto *)mute_keyframe;
363 (current->play && type == PLAY) ||
364 (current->record && type == RECORD) ||
365 (current->gang && type == GANG) ||
366 (current->draw && type == DRAW) ||
367 (mute_auto->value && type == MUTE) ||
368 (current->expand_view && type == EXPAND);
373 int Tracks::recordable_audio_tracks()
376 for(Track *current = first; current; current = NEXT)
377 if(current->data_type == TRACK_AUDIO && current->record) result++;
381 int Tracks::recordable_video_tracks()
384 for(Track *current = first; current; current = NEXT)
386 if(current->data_type == TRACK_VIDEO && current->record) result++;
392 int Tracks::playable_audio_tracks()
396 for(Track *current = first; current; current = NEXT)
398 if(current->data_type == TRACK_AUDIO && current->play)
407 int Tracks::playable_video_tracks()
411 for(Track *current = first; current; current = NEXT)
413 if(current->data_type == TRACK_VIDEO && current->play)
421 int Tracks::total_audio_tracks()
424 for(Track *current = first; current; current = NEXT)
425 if(current->data_type == TRACK_AUDIO) result++;
429 int Tracks::total_video_tracks()
432 for(Track *current = first; current; current = NEXT)
433 if(current->data_type == TRACK_VIDEO) result++;
437 double Tracks::total_playable_length()
440 for(Track *current = first; current; current = NEXT)
444 double length = current->get_length();
445 if(length > total) total = length;
451 double Tracks::total_recordable_length()
454 for(Track *current = first; current; current = NEXT)
458 double length = current->get_length();
459 if(length > total) total = length;
465 double Tracks::total_length()
468 for(Track *current = first; current; current = NEXT)
470 double length = current->get_length();
471 if(length > total) total = length;
476 double Tracks::total_audio_length()
479 for(Track *current = first; current; current = NEXT)
481 if(current->data_type == TRACK_AUDIO &&
482 current->get_length() > total) total = current->get_length();
487 double Tracks::total_video_length()
490 for(Track *current = first; current; current = NEXT)
492 if(current->data_type == TRACK_VIDEO &&
493 current->get_length() > total) total = current->get_length();
498 double Tracks::total_length_framealigned(double fps)
500 if (total_audio_tracks() && total_video_tracks())
501 return MIN(floor(total_audio_length() * fps), floor(total_video_length() * fps)) / fps;
503 if (total_audio_tracks())
504 return floor(total_audio_length() * fps) / fps;
506 if (total_video_tracks())
507 return floor(total_video_length() * fps) / fps;
512 void Tracks::translate_projector(float offset_x, float offset_y)
514 for(Track *current = first; current; current = NEXT)
516 if(current->data_type == TRACK_VIDEO)
518 ((VTrack*)current)->translate(offset_x, offset_y, 0);
523 void Tracks::update_y_pixels(Theme *theme)
525 // int y = -edl->local_session->track_start;
527 for(Track *current = first; current; current = NEXT)
529 //printf("Tracks::update_y_pixels %d\n", y);
530 current->y_pixel = y;
531 y += current->vertical_span(theme);
535 int Tracks::dump(FILE *fp)
537 for(Track* current = first; current; current = NEXT)
539 fprintf(fp," Track: %p\n", current);
546 void Tracks::select_all(int type,
549 for(Track* current = first; current; current = NEXT)
551 double position = edl->local_session->get_selectionstart(1);
553 if(type == PLAY) current->play = value;
554 if(type == RECORD) current->record = value;
555 if(type == GANG) current->gang = value;
556 if(type == DRAW) current->draw = value;
560 ((IntAuto*)current->automation->autos[AUTOMATION_MUTE]->get_auto_for_editing(position))->value = value;
563 if(type == EXPAND) current->expand_view = value;
567 // ===================================== file operations
569 int Tracks::popup_transition(int cursor_x, int cursor_y)
572 for(Track* current = first; current && !result; current = NEXT)
574 result = current->popup_transition(cursor_x, cursor_y);
580 int Tracks::change_channels(int oldchannels, int newchannels)
582 for(Track *current = first; current; current = NEXT)
583 { current->change_channels(oldchannels, newchannels); }
589 int Tracks::totalpixels()
592 for(Track* current = first; current; current = NEXT)
594 result += edl->local_session->zoom_track;
599 int Tracks::number_of(Track *track)
602 for(Track *current = first; current && current != track; current = NEXT)
609 Track* Tracks::number(int number)
613 for(current = first; current && i < number; current = NEXT)
621 int Tracks::total_playable_vtracks()
624 for(Track *current = first; current; current = NEXT)
626 if(current->data_type == TRACK_VIDEO && current->play) result++;
631 int Tracks::plugin_exists(Plugin *plugin)
633 for(Track *track = first; track; track = track->next)
635 if(track->plugin_exists(plugin)) return 1;
640 int Tracks::track_exists(Track *track)
642 for(Track *current = first; current; current = NEXT)
644 if(current == track) return 1;
650 Track *Tracks::get(int idx, int data_type)
652 for(Track *current = first; current; current = NEXT)
654 if( current->data_type != data_type ) continue;
655 if( --idx < 0 ) return current;