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);
370 void Tracks::set_transition_length(Transition *transition, double length)
372 // Must verify existence of transition
374 if(!transition) return;
375 for(Track *current_track = first;
376 current_track && !done;
377 current_track = current_track->next)
379 for(Edit *current_edit = current_track->edits->first;
380 current_edit && !done;
381 current_edit = current_edit->next)
383 if(current_edit->transition == transition)
385 transition->length = current_track->to_units(length, 1);
392 void Tracks::paste_transitions(double start, double end, int track_type, char* title)
394 for(Track *current_track = first;
396 current_track = current_track->next)
398 if(current_track->record && current_track->data_type == track_type)
400 int64_t start_units = current_track->to_units(start, 0);
401 int64_t end_units = current_track->to_units(end, 0);
403 for(Edit *current_edit = current_track->edits->first;
405 current_edit = current_edit->next)
407 if(current_edit->startproject > 0 &&
408 ((end_units > start_units &&
409 current_edit->startproject >= start_units &&
410 current_edit->startproject < end_units) ||
411 (end_units == start_units &&
412 current_edit->startproject <= start_units &&
413 current_edit->startproject + current_edit->length > start_units)))
415 current_edit->insert_transition(title);
422 void Tracks::set_automation_mode(double selectionstart,
426 Track* current_track;
428 for(current_track = first; current_track; current_track = current_track->next)
430 if(current_track->record)
432 current_track->set_automation_mode(selectionstart,
439 int Tracks::clear_default_keyframe()
441 for(Track *current = first; current; current = NEXT)
444 current->clear_automation(0, 0, 0, 1);
449 int Tracks::clear_handle(double start,
451 double &longest_distance,
456 Track* current_track;
459 for(current_track = first; current_track; current_track = current_track->next)
461 if(current_track->record)
463 current_track->clear_handle(start,
469 if(distance > longest_distance) longest_distance = distance;
476 int Tracks::copy_automation(double selectionstart,
482 // called by MWindow::copy_automation for copying automation alone
483 Track* current_track;
485 file->tag.set_title("AUTO_CLIPBOARD");
486 file->tag.set_property("LENGTH", selectionend - selectionstart);
487 file->tag.set_property("FRAMERATE", edl->session->frame_rate);
488 file->tag.set_property("SAMPLERATE", edl->session->sample_rate);
490 file->append_newline();
491 file->append_newline();
493 for(current_track = first;
495 current_track = current_track->next)
497 if(current_track->record)
499 current_track->copy_automation(selectionstart,
507 file->tag.set_title("/AUTO_CLIPBOARD");
509 file->append_newline();
510 file->terminate_string();
514 // int Tracks::copy_default_keyframe(FileXML *file)
516 // copy_automation(0, 0, file, 1, 0);
520 int Tracks::delete_tracks()
522 int total_deleted = 0;
528 Track *next_track = 0;
529 for (Track* current = first; current && done; current = next_track)
531 next_track = current->next;
534 delete_track(current);
542 return total_deleted;
545 void Tracks::move_edits(ArrayList<Edit*> *edits,
548 int edit_labels, // Ignored
549 int edit_plugins, // Ignored
550 int edit_autos, // Ignored
553 //printf("Tracks::move_edits 1\n");
554 for(Track *dest_track = track; dest_track; dest_track = dest_track->next)
556 if(dest_track->record)
558 // Need a local copy of the source edit since the original source edit may
559 // change in the editing operation.
560 Edit *source_edit = 0;
561 Track *source_track = 0;
565 if(dest_track->data_type == TRACK_AUDIO)
567 int current_aedit = 0;
569 while(current_aedit < edits->total &&
570 edits->values[current_aedit]->track->data_type != TRACK_AUDIO)
573 if(current_aedit < edits->total)
575 source_edit = edits->values[current_aedit];
576 source_track = source_edit->track;
577 edits->remove_number(current_aedit);
581 if(dest_track->data_type == TRACK_VIDEO)
583 int current_vedit = 0;
584 while(current_vedit < edits->total &&
585 edits->values[current_vedit]->track->data_type != TRACK_VIDEO)
588 if(current_vedit < edits->total)
590 source_edit = edits->values[current_vedit];
591 source_track = source_edit->track;
592 edits->remove_number(current_vedit);
596 //printf("Tracks::move_edits 2 %s %s %d\n", source_track->title, dest_track->title, source_edit->length);
599 int64_t position_i = source_track->to_units(position, 0);
600 // Source edit changes
601 int64_t source_length = source_edit->length;
602 int64_t source_startproject = source_edit->startproject;
606 // This works like this: CUT edit, INSERT edit at final position, keyframes also follow
607 // FIXME: there should be a GUI way to tell whenever user also wants to move autos or not
610 AutoConf temp_autoconf;
612 temp_autoconf.set_all(1);
614 source_track->automation->copy(source_edit->startproject,
615 source_edit->startproject + source_edit->length,
619 temp.terminate_string();
621 // Insert new keyframes
622 //printf("Tracks::move_edits 2 %d %p\n", result->startproject, result->asset);
623 source_track->automation->clear(source_edit->startproject,
624 source_edit->startproject + source_edit->length,
627 int64_t position_a = position_i;
628 if (dest_track == source_track)
630 if (position_a > source_edit->startproject)
631 position_a -= source_length;
634 dest_track->automation->paste_silence(position_a,
635 position_a + source_length);
636 while(!temp.read_tag())
637 dest_track->automation->paste(position_a,
638 source_length, 1.0, &temp, 0, 1,
642 Edit *dest_edit = dest_track->edits->shift(position_i,
644 Edit *result = dest_track->edits->insert_before(dest_edit,
645 dest_track->edits->create_edit());
646 result->copy_from(source_edit);
647 result->startproject = position_i;
648 result->length = source_length;
651 source_track->edits->clear(source_edit->startproject,
652 source_edit->startproject + source_length);
655 //this is outline for future thinking how it is supposed to be done trough C&P mechanisms
657 source_track->cut(source_edit->startproject,
658 source_edit->startproject + source_edit->length,
661 temp.terminate_string();
663 dest_track->paste_silence(position_a,
664 position_a + source_length,
666 while(!temp.read_tag())
667 dest_track->paste(position_a, // MISSING PIECE OF FUNCTIONALITY
678 // ONLY edit is moved, all other edits stay where they are
680 // Copy edit to temp, delete the edit, insert the edit
681 Edit *temp_edit = dest_track->edits->create_edit();
682 temp_edit->copy_from(source_edit);
683 // we call the edits directly since we do not want to move keyframes or anything else
684 source_track->edits->clear(source_startproject,
685 source_startproject + source_length);
686 source_track->edits->paste_silence(source_startproject,
687 source_startproject + source_length);
689 dest_track->edits->clear(position_i,
690 position_i + source_length);
691 Edit *dest_edit = dest_track->edits->shift(position_i, source_length);
692 Edit *result = dest_track->edits->insert_before(dest_edit,
693 dest_track->edits->create_edit());
694 result->copy_from(temp_edit);
695 result->startproject = position_i;
696 result->length = source_length;
699 source_track->optimize();
700 dest_track->optimize();
706 void Tracks::move_effect(Plugin *plugin, Track *track, int64_t position)
708 Track *source_track = plugin->track;
710 // Create a new plugin set
711 double start = track->from_units(position);
712 double length = track->from_units(plugin->length);
714 result = track->insert_effect("", &plugin->shared_location, 0, 0,
715 start, length, plugin->plugin_type);
716 result->copy_from(plugin);
717 result->shift(position - plugin->startproject);
719 // Clear new plugin from old set
720 plugin->plugin_set->clear(plugin->startproject,
721 plugin->startproject + plugin->length,
722 edl->session->autos_follow_edits);
724 source_track->optimize();
727 void Tracks::move_effect(Plugin *plugin, PluginSet *plugin_set, int64_t position)
729 // src/dest track must be the same
730 // replace plugin in source plugin_set with silence
731 PluginSet *src_plugin_set = plugin->plugin_set;
732 Plugin *silent = new Plugin(edl, src_plugin_set, "");
733 silent->startproject = plugin->startproject;
734 silent->length = plugin->length;
735 src_plugin_set->insert_after(plugin, silent);
736 src_plugin_set->remove_pointer(plugin);
737 // truncate previous plugin
738 Plugin *dest = (Plugin *)plugin_set->editof(position, PLAY_FORWARD, 0);
739 // add plugin after dest
740 plugin_set->insert_after(dest, plugin);
742 dest->length = position - dest->startproject;
743 if( dest->length < 0 ) dest->length = 0;
745 // update plugin position
746 plugin->startproject = position;
747 plugin->plugin_set = plugin_set;
748 src_plugin_set->track->optimize();
751 int Tracks::concatenate_tracks(int edit_plugins, int edit_autos)
753 Track *output_track, *first_output_track, *input_track;
754 int i, data_type = TRACK_AUDIO;
759 for(i = 0; i < 2; i++)
761 // Get first output track
762 for(output_track = first;
764 output_track = output_track->next)
765 if(output_track->data_type == data_type &&
766 output_track->record) break;
768 first_output_track = output_track;
770 // Get first input track
771 for(input_track = first;
773 input_track = input_track->next)
775 if(input_track->data_type == data_type &&
777 !input_track->record) break;
781 if(output_track && input_track)
783 // Transfer input track to end of output track one at a time
786 output_start = output_track->get_length();
787 output_track->insert_track(input_track,
794 // Get next source and destination
795 for(input_track = input_track->next;
797 input_track = input_track->next)
800 if(input_track->data_type == data_type &&
801 !input_track->record &&
802 input_track->play) break;
805 for(output_track = output_track->next;
807 output_track = output_track->next)
809 if(output_track->data_type == data_type &&
810 output_track->record) break;
815 output_track = first_output_track;
821 if(data_type == TRACK_AUDIO) data_type = TRACK_VIDEO;
827 int Tracks::delete_all_tracks()
829 while(last) delete last;
834 void Tracks::change_modules(int old_location, int new_location, int do_swap)
836 for(Track* current = first ; current; current = current->next)
838 current->change_modules(old_location, new_location, do_swap);
842 void Tracks::change_plugins(SharedLocation &old_location, SharedLocation &new_location, int do_swap)
844 for(Track* current = first ; current; current = current->next)
846 current->change_plugins(old_location, new_location, do_swap);
852 // =========================================== EDL editing
855 int Tracks::copy(double start,
859 const char *output_path)
862 if(start == end && !all) return 1;
870 if(current->record || all)
872 current->copy(start, end, file,output_path);
881 int Tracks::move_track_up(Track *track)
883 Track *next_track = track->previous;
884 if(!next_track) next_track = last;
886 change_modules(number_of(track), number_of(next_track), 1);
888 // printf("Tracks::move_track_up 1 %p %p\n", track, next_track);
890 // for(Track *current = first; current && count < 5; current = NEXT, count++)
891 // printf("Tracks::move_track_up %p %p %p\n", current->previous, current, current->next);
892 // printf("Tracks::move_track_up 2\n");
894 swap(track, next_track);
897 // for(Track *current = first; current && count < 5; current = NEXT, count++)
898 // printf("Tracks::move_track_up %p %p %p\n", current->previous, current, current->next);
899 // printf("Tracks::move_track_up 3\n");
904 int Tracks::move_track_down(Track *track)
906 Track *next_track = track->next;
907 if(!next_track) next_track = first;
909 change_modules(number_of(track), number_of(next_track), 1);
910 swap(track, next_track);
915 int Tracks::move_tracks_up()
917 Track *track, *next_track;
924 next_track = track->next;
930 change_modules(number_of(track->previous), number_of(track), 1);
932 swap(track->previous, track);
941 int Tracks::move_tracks_down()
943 Track *track, *previous_track;
948 track = previous_track)
950 previous_track = track->previous;
956 change_modules(number_of(track), number_of(track->next), 1);
958 swap(track, track->next);
969 void Tracks::paste_audio_transition(PluginServer *server)
971 for(Track *current = first; current; current = NEXT)
973 if(current->data_type == TRACK_AUDIO &&
976 int64_t position = current->to_units(
977 edl->local_session->get_selectionstart(), 0);
978 Edit *current_edit = current->edits->editof(position,
983 paste_transition(server, current_edit);
989 void Tracks::paste_automation(double selectionstart,
995 Track* current_track = 0;
996 Track* current_atrack = 0;
997 Track* current_vtrack = 0;
998 Track* dst_track = 0;
1002 double frame_rate = edl->session->frame_rate;
1003 int64_t sample_rate = edl->session->sample_rate;
1004 char string[BCTEXTLEN];
1009 result = file->read_tag();
1011 !file->tag.title_is("AUTO_CLIPBOARD"));
1015 length = file->tag.get_property("LENGTH", 0);
1016 frame_rate = file->tag.get_property("FRAMERATE", frame_rate);
1017 sample_rate = file->tag.get_property("SAMPLERATE", sample_rate);
1022 result = file->read_tag();
1026 if(file->tag.title_is("/AUTO_CLIPBOARD"))
1031 if(file->tag.title_is("TRACK"))
1033 file->tag.get_property("TYPE", string);
1034 if(!strcmp(string, "AUDIO"))
1036 src_type = TRACK_AUDIO;
1040 src_type = TRACK_VIDEO;
1043 // paste to any media type
1046 if(!current_track) current_track = first;
1047 while(current_track && !current_track->record)
1048 current_track = current_track->next;
1049 dst_track = current_track;
1052 if(!strcmp(string, "AUDIO"))
1054 // Get next audio track
1056 current_atrack = first;
1058 current_atrack = current_atrack->next;
1060 while(current_atrack &&
1061 (current_atrack->data_type != TRACK_AUDIO ||
1062 !current_atrack->record))
1063 current_atrack = current_atrack->next;
1064 dst_track = current_atrack;
1068 // Get next video track
1070 current_vtrack = first;
1072 current_vtrack = current_vtrack->next;
1074 while(current_vtrack &&
1075 (current_vtrack->data_type != TRACK_VIDEO ||
1076 !current_vtrack->record))
1077 current_vtrack = current_vtrack->next;
1079 dst_track = current_vtrack;
1084 double frame_rate2 = frame_rate;
1085 double sample_rate2 = sample_rate;
1087 if(src_type != dst_track->data_type)
1089 frame_rate2 = sample_rate;
1090 sample_rate2 = frame_rate;
1093 dst_track->paste_automation(selectionstart,
1107 // int Tracks::paste_default_keyframe(FileXML *file)
1109 // paste_automation(0, file, 1, 0);
1113 void Tracks::paste_transition(PluginServer *server, Edit *dest_edit)
1115 dest_edit->insert_transition(server->title);
1118 void Tracks::paste_video_transition(PluginServer *server, int first_track)
1120 for(Track *current = first; current; current = NEXT)
1122 if(current->data_type == TRACK_VIDEO &&
1125 int64_t position = current->to_units(
1126 edl->local_session->get_selectionstart(), 0);
1127 Edit *current_edit = current->edits->editof(position,
1132 paste_transition(server, current_edit);
1134 if(first_track) break;
1140 int Tracks::paste_silence(double start,
1145 Track* current_track;
1147 for(current_track = first;
1149 current_track = current_track->next)
1151 if(current_track->record)
1153 current_track->paste_silence(start,
1164 int Tracks::select_auto(int cursor_x, int cursor_y)
1167 for(Track* current = first; current && !result; current = NEXT) { result = current->select_auto(&auto_conf, cursor_x, cursor_y); }
1171 int Tracks::move_auto(int cursor_x, int cursor_y, int shift_down)
1175 for(Track* current = first; current && !result; current = NEXT)
1177 result = current->move_auto(&auto_conf, cursor_x, cursor_y, shift_down);
1182 int Tracks::modify_edithandles(double &oldposition,
1183 double &newposition,
1192 for(current = first; current; current = NEXT)
1196 current->modify_edithandles(oldposition,
1208 int Tracks::modify_pluginhandles(double &oldposition,
1209 double &newposition,
1218 for(current = first; current; current = NEXT)
1222 current->modify_pluginhandles(oldposition,
1236 int Tracks::purge_asset(Asset *asset)
1238 Track *current_track;
1241 for(current_track = first; current_track; current_track = current_track->next)
1243 result += current_track->purge_asset(asset);
1248 int Tracks::asset_used(Asset *asset)
1250 Track *current_track;
1253 for(current_track = first; current_track; current_track = current_track->next)
1255 result += current_track->asset_used(asset);
1260 int Tracks::scale_time(float rate_scale, int ignore_record, int scale_edits, int scale_autos, int64_t start, int64_t end)
1262 Track *current_track;
1264 for(current_track = first;
1266 current_track = current_track->next)
1268 if((current_track->record || ignore_record) &&
1269 current_track->data_type == TRACK_VIDEO)
1271 current_track->scale_time(rate_scale, scale_edits, scale_autos, start, end);