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
23 #include "automation.h"
25 #include "bcsignals.h"
29 #include "edlsession.h"
34 #include "localsession.h"
37 #include "mainsession.h"
38 #include "pluginserver.h"
39 #include "pluginset.h"
42 #include "trackcanvas.h"
44 #include "trackscroll.h"
45 #include "transition.h"
46 #include "transportque.h"
50 int Tracks::clear(double start, double end, int clear_plugins, int edit_autos)
54 for(current_track = first;
56 current_track = current_track->next)
58 if(current_track->record)
60 current_track->clear(start,
73 void Tracks::clear_automation(double selectionstart, double selectionend)
77 for(current_track = first; current_track; current_track = current_track->next)
79 if(current_track->record)
81 current_track->clear_automation(selectionstart,
89 void Tracks::clear_transitions(double start, double end)
91 for(Track *current_track = first;
93 current_track = current_track->next)
95 if(current_track->record)
97 int64_t start_units = current_track->to_units(start, 0);
98 int64_t end_units = current_track->to_units(end, 0);
100 for(Edit *current_edit = current_track->edits->first;
102 current_edit = current_edit->next)
104 if(current_edit->startproject >= start_units &&
105 current_edit->startproject < end_units &&
106 current_edit->transition)
108 current_edit->detach_transition();
115 void Tracks::shuffle_edits(double start, double end)
117 // This doesn't affect automation or effects
118 // Labels follow the first track.
120 for(Track *current_track = first;
122 current_track = current_track->next)
124 if(current_track->record)
126 current_track->shuffle_edits(start, end, first_track);
133 void Tracks::reverse_edits(double start, double end)
135 // This doesn't affect automation or effects
136 // Labels follow the first track.
138 for(Track *current_track = first;
140 current_track = current_track->next)
142 if(current_track->record)
144 current_track->reverse_edits(start, end, first_track);
150 void Tracks::align_edits(double start, double end)
152 // This doesn't affect automation or effects
153 ArrayList<double> times;
155 for(Track *current_track = first;
157 current_track = current_track->next)
159 if(current_track->record)
161 current_track->align_edits(start, end, ×);
166 void Tracks::set_edit_length(double start, double end, double length)
169 for(Track *current_track = first;
171 current_track = current_track->next)
173 if(current_track->record)
175 #define USE_FLOATING_LENGTHS
177 #ifdef USE_FLOATING_LENGTHS
180 // The first edit anchors the length offsets.
181 // Round edits up & down so they end where they would if they all had floating point lengths.
182 //int first_edit = 1;
183 int64_t start_units = current_track->to_units(start, 0);
184 int64_t end_units = current_track->to_units(end, 0);
185 // Total time of edits accumulated, in track units
186 int64_t total_units = 0;
187 // Number of length offsets added so far
188 int total_lengths = 0;
190 for(Edit *current_edit = current_track->edits->last;
192 current_edit = current_edit->previous)
194 if(current_edit->startproject >= start_units &&
195 current_edit->startproject + current_edit->length <= end_units)
197 // Calculate true length based on number of length offsets & total time
198 double end_time = (1 + total_lengths) * length;
199 int64_t length_units = current_track->to_units(end_time, 0) -
201 if(length_units < 1) length_units = 1;
202 printf("Tracks::set_edit_length %d %f %f\n", __LINE__, end_time, current_track->from_units(total_units));
203 total_units += length_units;
205 // Go in using the edit handle interface
206 int64_t starting_length = current_edit->length;
208 if(length_units < current_edit->length)
210 current_edit->shift_end_in(MOVE_ALL_EDITS,
211 current_edit->startproject + length_units,
212 current_edit->startproject + current_edit->length,
214 edl->session->labels_follow_edits,
215 edl->session->plugins_follow_edits,
216 edl->session->autos_follow_edits,
221 current_edit->shift_end_out(MOVE_ALL_EDITS,
222 current_edit->startproject + length_units,
223 current_edit->startproject + current_edit->length,
225 edl->session->labels_follow_edits,
226 edl->session->plugins_follow_edits,
227 edl->session->autos_follow_edits,
231 int64_t ending_length = current_edit->length;
233 if(edl->session->labels_follow_edits && first_track)
235 // printf("Tracks::set_edit_length %d %f %f\n",
237 // current_track->from_units(current_edit->startproject + starting_length),
238 // current_track->from_units(current_edit->startproject + ending_length));
239 edl->labels->modify_handles(
240 current_track->from_units(current_edit->startproject + starting_length),
241 current_track->from_units(current_edit->startproject + ending_length),
255 #else // USE_FLOATING_LENGTHS
257 // The first edit anchors the length offsets.
258 // The idea was to round edits up & down so they end where they should
259 // if they all had floating point lengths. It's easier just to make sure the framerate
260 // is divisible by the required length.
261 // int first_edit = 1;
262 int64_t start_units = current_track->to_units(start, 0);
263 int64_t end_units = current_track->to_units(end, 0);
264 int64_t length_units = current_track->to_units(length, 1);
265 // Starting time of the length offsets in seconds
266 // double start_time = 0;
267 // Number of length offsets added so far
268 // int total_lengths = 0;
270 for(Edit *current_edit = current_track->edits->last;
272 current_edit = current_edit->previous)
274 if(current_edit->startproject >= start_units &&
275 current_edit->startproject + current_edit->length <= end_units)
277 // Calculate starting time of length offsets
280 // start_time = current_track->from_units(current_edit->startproject);
283 // Calculate true length based on number of length offsets
284 // double end_time = start_time + (1 + total_lengths) * length;
285 // int64_t length_units = current_track->to_units(end_time, 0) -
286 // current_edit->startproject;
287 // if(length_units < 1) length_units = 1;
289 // Go in using the edit handle interface
290 int64_t starting_length = current_edit->length;
292 if(length_units < current_edit->length)
294 current_edit->shift_end_in(MOVE_ALL_EDITS,
295 current_edit->startproject + length_units,
296 current_edit->startproject + current_edit->length,
298 edl->session->labels_follow_edits,
299 edl->session->plugins_follow_edits,
300 edl->session->autos_follow_edits,
305 current_edit->shift_end_out(MOVE_ALL_EDITS,
306 current_edit->startproject + length_units,
307 current_edit->startproject + current_edit->length,
309 edl->session->labels_follow_edits,
310 edl->session->plugins_follow_edits,
311 edl->session->autos_follow_edits,
315 int64_t ending_length = current_edit->length;
317 if(edl->session->labels_follow_edits && first_track)
319 // printf("Tracks::set_edit_length %d %f %f\n",
321 // current_track->from_units(current_edit->startproject + starting_length),
322 // current_track->from_units(current_edit->startproject + ending_length));
323 edl->labels->modify_handles(
324 current_track->from_units(current_edit->startproject + starting_length),
325 current_track->from_units(current_edit->startproject + ending_length),
336 #endif // !USE_FLOATING_LENGTHS
343 void Tracks::set_transition_length(double start, double end, double length)
345 for(Track *current_track = first;
347 current_track = current_track->next)
349 if(current_track->record)
351 int64_t start_units = current_track->to_units(start, 0);
352 int64_t end_units = current_track->to_units(end, 0);
354 for(Edit *current_edit = current_track->edits->first;
356 current_edit = current_edit->next)
358 if(current_edit->startproject >= start_units &&
359 current_edit->startproject < end_units &&
360 current_edit->transition)
362 current_edit->transition->length =
363 current_track->to_units(length, 1);
364 if( current_edit == current_track->edits->last &&
365 current_edit->silence() ) {
366 current_edit->length = current_edit->transition->length;
374 void Tracks::set_transition_length(Transition *transition, double length)
376 // Must verify existence of transition
378 if(!transition) return;
379 for(Track *current_track = first;
380 current_track && !done;
381 current_track = current_track->next)
383 for(Edit *current_edit = current_track->edits->first;
384 current_edit && !done;
385 current_edit = current_edit->next)
387 if(current_edit->transition == transition)
389 transition->length = current_track->to_units(length, 1);
390 if( current_edit == current_track->edits->last &&
391 current_edit->silence() ) {
392 current_edit->length = current_edit->transition->length;
400 void Tracks::paste_transitions(double start, double end, int track_type, char* title)
402 for(Track *current_track = first;
404 current_track = current_track->next)
406 if(current_track->record && current_track->data_type == track_type)
408 int64_t start_units = current_track->to_units(start, 0);
409 int64_t end_units = current_track->to_units(end, 0);
410 if( start_units == end_units ) {
411 for( Edit *current_edit = current_track->edits->first;
412 current_edit; current_edit = current_edit->next) {
413 int64_t edit_start = current_edit->startproject;
414 int64_t edit_end = edit_start + current_edit->length;
415 if( edit_start > start_units ) continue;
416 if( start_units == current_track->edits->length() ) {
417 double length = edl->session->default_transition_length;
418 int64_t units = current_track->to_units(length, 1);
419 current_edit = current_track->edits->
420 create_silence(start_units, start_units+units);
422 else if( start_units >= edit_end ) continue;
423 current_edit->insert_transition(title);
427 for( Edit *current_edit = current_track->edits->first;
428 current_edit; current_edit = current_edit->next) {
429 int64_t edit_start = current_edit->startproject;
430 if( !edit_start ) continue;
431 if( edit_start >= start_units && edit_start < end_units ) {
432 current_edit->insert_transition(title);
440 void Tracks::set_automation_mode(double selectionstart,
444 Track* current_track;
446 for(current_track = first; current_track; current_track = current_track->next)
448 if(current_track->record)
450 current_track->set_automation_mode(selectionstart,
457 int Tracks::clear_default_keyframe()
459 for(Track *current = first; current; current = NEXT)
462 current->clear_automation(0, 0, 0, 1);
467 int Tracks::clear_handle(double start,
469 double &longest_distance,
474 Track* current_track;
477 for(current_track = first; current_track; current_track = current_track->next)
479 if(current_track->record)
481 current_track->clear_handle(start,
487 if(distance > longest_distance) longest_distance = distance;
494 int Tracks::copy_automation(double selectionstart,
500 // called by MWindow::copy_automation for copying automation alone
501 Track* current_track;
503 file->tag.set_title("AUTO_CLIPBOARD");
504 file->tag.set_property("LENGTH", selectionend - selectionstart);
505 file->tag.set_property("FRAMERATE", edl->session->frame_rate);
506 file->tag.set_property("SAMPLERATE", edl->session->sample_rate);
508 file->append_newline();
509 file->append_newline();
511 for(current_track = first;
513 current_track = current_track->next)
515 if(current_track->record)
517 current_track->copy_automation(selectionstart,
525 file->tag.set_title("/AUTO_CLIPBOARD");
527 file->append_newline();
528 file->terminate_string();
532 // int Tracks::copy_default_keyframe(FileXML *file)
534 // copy_automation(0, 0, file, 1, 0);
538 int Tracks::delete_tracks()
540 int total_deleted = 0;
546 Track *next_track = 0;
547 for (Track* current = first; current && done; current = next_track)
549 next_track = current->next;
552 delete_track(current);
560 return total_deleted;
563 void Tracks::move_edits(ArrayList<Edit*> *edits,
566 int edit_labels, // Ignored
567 int edit_plugins, // Ignored
568 int edit_autos, // Ignored
571 //printf("Tracks::move_edits 1\n");
572 for(Track *dest_track = track; dest_track; dest_track = dest_track->next)
574 if(dest_track->record)
576 // Need a local copy of the source edit since the original source edit may
577 // change in the editing operation.
578 Edit *source_edit = 0;
579 Track *source_track = 0;
583 if(dest_track->data_type == TRACK_AUDIO)
585 int current_aedit = 0;
587 while(current_aedit < edits->total &&
588 edits->values[current_aedit]->track->data_type != TRACK_AUDIO)
591 if(current_aedit < edits->total)
593 source_edit = edits->values[current_aedit];
594 source_track = source_edit->track;
595 edits->remove_number(current_aedit);
599 if(dest_track->data_type == TRACK_VIDEO)
601 int current_vedit = 0;
602 while(current_vedit < edits->total &&
603 edits->values[current_vedit]->track->data_type != TRACK_VIDEO)
606 if(current_vedit < edits->total)
608 source_edit = edits->values[current_vedit];
609 source_track = source_edit->track;
610 edits->remove_number(current_vedit);
614 //printf("Tracks::move_edits 2 %s %s %d\n", source_track->title, dest_track->title, source_edit->length);
617 int64_t position_i = source_track->to_units(position, 0);
618 // Source edit changes
619 int64_t source_length = source_edit->length;
620 int64_t source_startproject = source_edit->startproject;
624 // This works like this: CUT edit, INSERT edit at final position, keyframes also follow
625 // FIXME: there should be a GUI way to tell whenever user also wants to move autos or not
628 AutoConf temp_autoconf;
630 temp_autoconf.set_all(1);
632 source_track->automation->copy(source_edit->startproject,
633 source_edit->startproject + source_edit->length,
637 temp.terminate_string();
639 // Insert new keyframes
640 //printf("Tracks::move_edits 2 %d %p\n", result->startproject, result->asset);
641 source_track->automation->clear(source_edit->startproject,
642 source_edit->startproject + source_edit->length,
645 int64_t position_a = position_i;
646 if (dest_track == source_track)
648 if (position_a > source_edit->startproject)
649 position_a -= source_length;
652 dest_track->automation->paste_silence(position_a,
653 position_a + source_length);
654 while(!temp.read_tag())
655 dest_track->automation->paste(position_a,
656 source_length, 1.0, &temp, 0, 1,
660 Edit *dest_edit = dest_track->edits->shift(position_i,
662 Edit *result = dest_track->edits->insert_before(dest_edit,
663 dest_track->edits->create_edit());
664 result->copy_from(source_edit);
665 result->startproject = position_i;
666 result->length = source_length;
669 source_track->edits->clear(source_edit->startproject,
670 source_edit->startproject + source_length);
673 //this is outline for future thinking how it is supposed to be done trough C&P mechanisms
675 source_track->cut(source_edit->startproject,
676 source_edit->startproject + source_edit->length,
679 temp.terminate_string();
681 dest_track->paste_silence(position_a,
682 position_a + source_length,
684 while(!temp.read_tag())
685 dest_track->paste(position_a, // MISSING PIECE OF FUNCTIONALITY
696 // ONLY edit is moved, all other edits stay where they are
698 // Copy edit to temp, delete the edit, insert the edit
699 Edit *temp_edit = dest_track->edits->create_edit();
700 temp_edit->copy_from(source_edit);
701 // we call the edits directly since we do not want to move keyframes or anything else
702 source_track->edits->clear(source_startproject,
703 source_startproject + source_length);
704 source_track->edits->paste_silence(source_startproject,
705 source_startproject + source_length);
707 dest_track->edits->clear(position_i,
708 position_i + source_length);
709 Edit *dest_edit = dest_track->edits->shift(position_i, source_length);
710 Edit *result = dest_track->edits->insert_before(dest_edit,
711 dest_track->edits->create_edit());
712 result->copy_from(temp_edit);
713 result->startproject = position_i;
714 result->length = source_length;
717 source_track->optimize();
718 dest_track->optimize();
724 void Tracks::move_effect(Plugin *plugin, Track *track, int64_t position)
726 Track *source_track = plugin->track;
728 // Create a new plugin set
729 double start = track->from_units(position);
730 double length = track->from_units(plugin->length);
732 result = track->insert_effect("", &plugin->shared_location, 0, 0,
733 start, length, plugin->plugin_type);
734 result->copy_from(plugin);
735 result->shift(position - plugin->startproject);
737 // Clear new plugin from old set
738 plugin->plugin_set->clear(plugin->startproject,
739 plugin->startproject + plugin->length,
740 edl->session->autos_follow_edits);
742 source_track->optimize();
745 void Tracks::move_effect(Plugin *plugin, PluginSet *plugin_set, int64_t position)
747 // src/dest track must be the same
748 // replace plugin in source plugin_set with silence
749 PluginSet *src_plugin_set = plugin->plugin_set;
750 Plugin *silent = new Plugin(edl, src_plugin_set, "");
751 silent->startproject = plugin->startproject;
752 silent->length = plugin->length;
753 src_plugin_set->insert_after(plugin, silent);
754 src_plugin_set->remove_pointer(plugin);
755 // truncate previous plugin
756 Plugin *dest = (Plugin *)plugin_set->editof(position, PLAY_FORWARD, 0);
757 // add plugin after dest
758 plugin_set->insert_after(dest, plugin);
760 dest->length = position - dest->startproject;
761 if( dest->length < 0 ) dest->length = 0;
763 // update plugin position
764 plugin->startproject = position;
765 plugin->plugin_set = plugin_set;
766 src_plugin_set->track->optimize();
769 int Tracks::concatenate_tracks(int edit_plugins, int edit_autos)
771 Track *output_track, *first_output_track, *input_track;
772 int i, data_type = TRACK_AUDIO;
777 for(i = 0; i < 2; i++)
779 // Get first output track
780 for(output_track = first;
782 output_track = output_track->next)
783 if(output_track->data_type == data_type &&
784 output_track->record) break;
786 first_output_track = output_track;
788 // Get first input track
789 for(input_track = first;
791 input_track = input_track->next)
793 if(input_track->data_type == data_type &&
795 !input_track->record) break;
799 if(output_track && input_track)
801 // Transfer input track to end of output track one at a time
804 output_start = output_track->get_length();
805 output_track->insert_track(input_track,
812 // Get next source and destination
813 for(input_track = input_track->next;
815 input_track = input_track->next)
818 if(input_track->data_type == data_type &&
819 !input_track->record &&
820 input_track->play) break;
823 for(output_track = output_track->next;
825 output_track = output_track->next)
827 if(output_track->data_type == data_type &&
828 output_track->record) break;
833 output_track = first_output_track;
839 if(data_type == TRACK_AUDIO) data_type = TRACK_VIDEO;
845 int Tracks::delete_all_tracks()
847 while(last) delete last;
852 void Tracks::change_modules(int old_location, int new_location, int do_swap)
854 for(Track* current = first ; current; current = current->next)
856 current->change_modules(old_location, new_location, do_swap);
860 void Tracks::change_plugins(SharedLocation &old_location, SharedLocation &new_location, int do_swap)
862 for(Track* current = first ; current; current = current->next)
864 current->change_plugins(old_location, new_location, do_swap);
870 // =========================================== EDL editing
873 int Tracks::copy(double start,
877 const char *output_path)
880 if(start == end && !all) return 1;
888 if(current->record || all)
890 current->copy(start, end, file,output_path);
899 int Tracks::move_track_up(Track *track)
901 Track *next_track = track->previous;
902 if(!next_track) next_track = last;
904 change_modules(number_of(track), number_of(next_track), 1);
906 // printf("Tracks::move_track_up 1 %p %p\n", track, next_track);
908 // for(Track *current = first; current && count < 5; current = NEXT, count++)
909 // printf("Tracks::move_track_up %p %p %p\n", current->previous, current, current->next);
910 // printf("Tracks::move_track_up 2\n");
912 swap(track, next_track);
915 // for(Track *current = first; current && count < 5; current = NEXT, count++)
916 // printf("Tracks::move_track_up %p %p %p\n", current->previous, current, current->next);
917 // printf("Tracks::move_track_up 3\n");
922 int Tracks::move_track_down(Track *track)
924 Track *next_track = track->next;
925 if(!next_track) next_track = first;
927 change_modules(number_of(track), number_of(next_track), 1);
928 swap(track, next_track);
933 int Tracks::move_tracks_up()
935 Track *track, *next_track;
942 next_track = track->next;
948 change_modules(number_of(track->previous), number_of(track), 1);
950 swap(track->previous, track);
959 int Tracks::move_tracks_down()
961 Track *track, *previous_track;
966 track = previous_track)
968 previous_track = track->previous;
974 change_modules(number_of(track), number_of(track->next), 1);
976 swap(track, track->next);
987 void Tracks::paste_audio_transition(PluginServer *server)
989 for(Track *current = first; current; current = NEXT)
991 if(current->data_type == TRACK_AUDIO &&
994 int64_t position = current->to_units(
995 edl->local_session->get_selectionstart(), 0);
996 Edit *current_edit = current->edits->editof(position,
999 if( !current_edit && position == current->edits->length() ) {
1000 double length = edl->session->default_transition_length;
1001 int64_t units = current->to_units(length, 1);
1002 current_edit = current->edits->create_silence(position, position+units);
1006 paste_transition(server, current_edit);
1012 void Tracks::paste_automation(double selectionstart,
1018 Track* current_track = 0;
1019 Track* current_atrack = 0;
1020 Track* current_vtrack = 0;
1021 Track* dst_track = 0;
1025 double frame_rate = edl->session->frame_rate;
1026 int64_t sample_rate = edl->session->sample_rate;
1027 char string[BCTEXTLEN];
1032 result = file->read_tag();
1034 !file->tag.title_is("AUTO_CLIPBOARD"));
1038 length = file->tag.get_property("LENGTH", 0);
1039 frame_rate = file->tag.get_property("FRAMERATE", frame_rate);
1040 sample_rate = file->tag.get_property("SAMPLERATE", sample_rate);
1045 result = file->read_tag();
1049 if(file->tag.title_is("/AUTO_CLIPBOARD"))
1054 if(file->tag.title_is("TRACK"))
1056 file->tag.get_property("TYPE", string);
1057 if(!strcmp(string, "AUDIO"))
1059 src_type = TRACK_AUDIO;
1063 src_type = TRACK_VIDEO;
1066 // paste to any media type
1069 if(!current_track) current_track = first;
1070 while(current_track && !current_track->record)
1071 current_track = current_track->next;
1072 dst_track = current_track;
1075 if(!strcmp(string, "AUDIO"))
1077 // Get next audio track
1079 current_atrack = first;
1081 current_atrack = current_atrack->next;
1083 while(current_atrack &&
1084 (current_atrack->data_type != TRACK_AUDIO ||
1085 !current_atrack->record))
1086 current_atrack = current_atrack->next;
1087 dst_track = current_atrack;
1091 // Get next video track
1093 current_vtrack = first;
1095 current_vtrack = current_vtrack->next;
1097 while(current_vtrack &&
1098 (current_vtrack->data_type != TRACK_VIDEO ||
1099 !current_vtrack->record))
1100 current_vtrack = current_vtrack->next;
1102 dst_track = current_vtrack;
1107 double frame_rate2 = frame_rate;
1108 double sample_rate2 = sample_rate;
1110 if(src_type != dst_track->data_type)
1112 frame_rate2 = sample_rate;
1113 sample_rate2 = frame_rate;
1116 dst_track->paste_automation(selectionstart,
1130 // int Tracks::paste_default_keyframe(FileXML *file)
1132 // paste_automation(0, file, 1, 0);
1136 void Tracks::paste_transition(PluginServer *server, Edit *dest_edit)
1138 dest_edit->insert_transition(server->title);
1141 void Tracks::paste_video_transition(PluginServer *server, int first_track)
1143 for(Track *current = first; current; current = NEXT)
1145 if(current->data_type == TRACK_VIDEO &&
1148 int64_t position = current->to_units(
1149 edl->local_session->get_selectionstart(), 0);
1150 Edit *current_edit = current->edits->editof(position,
1153 if( !current_edit && position == current->edits->length() ) {
1154 double length = edl->session->default_transition_length;
1155 int64_t units = current->to_units(length, 1);
1156 current_edit = current->edits->create_silence(position, position+units);
1160 paste_transition(server, current_edit);
1162 if(first_track) break;
1168 int Tracks::paste_silence(double start,
1173 Track* current_track;
1175 for(current_track = first;
1177 current_track = current_track->next)
1179 if(current_track->record)
1181 current_track->paste_silence(start,
1192 int Tracks::select_auto(int cursor_x, int cursor_y)
1195 for(Track* current = first; current && !result; current = NEXT) { result = current->select_auto(&auto_conf, cursor_x, cursor_y); }
1199 int Tracks::move_auto(int cursor_x, int cursor_y, int shift_down)
1203 for(Track* current = first; current && !result; current = NEXT)
1205 result = current->move_auto(&auto_conf, cursor_x, cursor_y, shift_down);
1210 int Tracks::modify_edithandles(double &oldposition,
1211 double &newposition,
1220 for(current = first; current; current = NEXT)
1224 current->modify_edithandles(oldposition,
1236 int Tracks::modify_pluginhandles(double &oldposition,
1237 double &newposition,
1246 for(current = first; current; current = NEXT)
1250 current->modify_pluginhandles(oldposition,
1264 int Tracks::purge_asset(Asset *asset)
1266 Track *current_track;
1269 for(current_track = first; current_track; current_track = current_track->next)
1271 result += current_track->purge_asset(asset);
1276 int Tracks::asset_used(Asset *asset)
1278 Track *current_track;
1281 for(current_track = first; current_track; current_track = current_track->next)
1283 result += current_track->asset_used(asset);
1288 int Tracks::scale_time(float rate_scale, int ignore_record, int scale_edits, int scale_autos, int64_t start, int64_t end)
1290 Track *current_track;
1292 for(current_track = first;
1294 current_track = current_track->next)
1296 if((current_track->record || ignore_record) &&
1297 current_track->data_type == TRACK_VIDEO)
1299 current_track->scale_time(rate_scale, scale_edits, scale_autos, start, end);