4 * Copyright (C) 2008 Adam Williams <broadcast at earthling dot net>
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
30 #include "edlsession.h"
31 #include "localsession.h"
34 #include "transportque.inc"
37 Autos::Autos(EDL *edl, Track *track)
49 while(last) delete last;
53 void Autos::create_objects()
56 default_auto = new_auto();
57 default_auto->is_default = 1;
65 Auto* Autos::append_auto()
67 return append(new_auto());
71 Auto* Autos::new_auto()
73 return new Auto(edl, this);
76 void Autos::resample(double old_rate, double new_rate)
78 for(Auto *current = first; current; current = NEXT)
80 current->position = (int64_t)((double)current->position *
87 void Autos::equivalent_output(Autos *autos, int64_t startproject, int64_t *result)
89 // Default keyframe differs
90 if(!total() && !(*default_auto == *autos->default_auto))
92 if(*result < 0 || *result > startproject) *result = startproject;
95 // Search for difference
97 for(Auto *current = first, *that_current = autos->first;
98 current || that_current;
100 that_current = that_current->next)
103 if(current && !that_current)
105 int64_t position1 = (autos->last ? autos->last->position : startproject);
106 int64_t position2 = current->position;
107 if(*result < 0 || *result > MIN(position1, position2))
108 *result = MIN(position1, position2);
112 if(!current && that_current)
114 int64_t position1 = (last ? last->position : startproject);
115 int64_t position2 = that_current->position;
116 if(*result < 0 || *result > MIN(position1, position2))
117 *result = MIN(position1, position2);
122 if(!(*current == *that_current) ||
123 current->position != that_current->position)
125 int64_t position1 = (current->previous ?
126 current->previous->position :
128 int64_t position2 = (that_current->previous ?
129 that_current->previous->position :
131 if(*result < 0 || *result > MIN(position1, position2))
132 *result = MIN(position1, position2);
139 void Autos::copy_from(Autos *autos)
141 Auto *current = autos->first, *this_current = first;
143 default_auto->copy_from(autos->default_auto);
145 // Detect common memory leak bug
146 if(autos->first && !autos->last)
148 printf("Autos::copy_from inconsistent pointers\n");
152 for(current = autos->first; current; current = NEXT)
154 //printf("Autos::copy_from 1 %p\n", current);
158 append(this_current = new_auto());
160 this_current->copy_from(current);
161 this_current = this_current->next;
164 for( ; this_current; )
166 Auto *next_current = this_current->next;
168 this_current = next_current;
173 // We don't replace it in pasting but
174 // when inserting the first EDL of a load operation we need to replace
175 // the default keyframe.
176 void Autos::insert_track(Autos *automation,
178 int64_t length_units,
182 insert(start_unit, start_unit + length_units);
184 if(replace_default) default_auto->copy_from(automation->default_auto);
185 for(Auto *current = automation->first; current; current = NEXT)
187 Auto *new_auto = insert_auto(start_unit + current->position);
188 new_auto->copy_from(current);
189 // Override copy_from
190 new_auto->position = current->position + start_unit;
194 Auto* Autos::get_prev_auto(int64_t position,
199 // Get on or before position
200 if(direction == PLAY_FORWARD)
202 // Try existing result
205 while(current && current->position < position) current = NEXT;
206 while(current && current->position > position) current = PREVIOUS;
212 current && current->position > position;
213 current = PREVIOUS) ;
215 if(!current && use_default) current = (first ? first : default_auto);
218 // Get on or after position
219 if(direction == PLAY_REVERSE)
223 while(current && current->position > position) current = PREVIOUS;
224 while(current && current->position < position) current = NEXT;
230 current && current->position < position;
234 if(!current && use_default) current = (last ? last : default_auto);
240 Auto* Autos::get_prev_auto(int direction, Auto* ¤t)
242 double position_double = edl->local_session->get_selectionstart(1);
243 position_double = edl->align_to_frame(position_double, 0);
244 int64_t position = track->to_units(position_double, 0);
246 return get_prev_auto(position, direction, current);
251 int Autos::auto_exists_for_editing(double position)
255 if(edl->session->auto_keyframes)
257 double unit_position = position;
258 unit_position = edl->align_to_frame(unit_position, 0);
259 if (get_auto_at_position(unit_position))
270 Auto* Autos::get_auto_at_position(double position)
272 int64_t unit_position = track->to_units(position, 0);
274 for(Auto *current = first;
278 if(edl->equivalent(current->position, unit_position))
287 Auto* Autos::get_auto_for_editing(double position)
291 position = edl->local_session->get_selectionstart(1);
295 position = edl->align_to_frame(position, 0);
300 //printf("Autos::get_auto_for_editing %p %p\n", first, default_auto);
302 if(edl->session->auto_keyframes)
304 result = insert_auto(track->to_units(position, 0));
307 result = get_prev_auto(track->to_units(position, 0),
311 //printf("Autos::get_auto_for_editing %p %p %p\n", default_auto, first, result);
316 Auto* Autos::get_next_auto(int64_t position, int direction, Auto* ¤t, int use_default)
318 if(direction == PLAY_FORWARD)
322 while(current && current->position > position) current = PREVIOUS;
323 while(current && current->position < position) current = NEXT;
329 current && current->position <= position;
334 if(!current && use_default) current = (last ? last : default_auto);
337 if(direction == PLAY_REVERSE)
341 while(current && current->position < position) current = NEXT;
342 while(current && current->position > position) current = PREVIOUS;
348 current && current->position > position;
353 if(!current && use_default) current = (first ? first : default_auto);
359 Auto* Autos::insert_auto(int64_t position)
361 Auto *current, *result;
363 // Test for existence
365 current && !edl->equivalent(current->position, position);
374 // Get first one on or before as a template
376 current && current->position > position;
384 insert_after(current, result = new_auto());
385 result->copy_from(current);
390 if(!current) current = default_auto;
392 insert_before(first, result = new_auto());
393 if(current) result->copy_from(current);
396 result->position = position;
398 result->mode = edl->local_session->floatauto_type;
408 int Autos::clear_all()
410 Auto *current_, *current;
412 for(current = first; current; current = current_)
421 int Autos::insert(int64_t start, int64_t end)
424 Auto *current = first;
426 for( ; current && current->position < start; current = NEXT)
429 length = end - start;
431 for(; current; current = NEXT)
433 current->position += length;
438 void Autos::paste(int64_t start,
448 //printf("Autos::paste %d start=" _LD "\n", __LINE__, start);
450 result = file->read_tag();
455 if(file->tag.get_title()[0] == '/')
460 if(!strcmp(file->tag.get_title(), "AUTO"))
464 // Paste first auto into default
465 if(default_only && total == 0)
467 current = default_auto;
470 // Paste default auto into default
473 int64_t position = Units::to_int64(
474 (double)file->tag.get_property("POSITION", 0) *
477 // Paste active auto into track
478 current = insert_auto(position);
493 int Autos::paste_silence(int64_t start, int64_t end)
499 int Autos::copy(int64_t start,
505 // First auto always loaded with default
506 //printf("Autos::copy %d %d %d\n", __LINE__, default_only, active_only);
507 if(default_only || (!active_only && !default_only))
509 default_auto->copy(0, 0, file, default_only);
512 //printf("Autos::copy 10 %d %d %p\n", default_only, start, autoof(start));
513 if(active_only || (!default_only && !active_only))
515 for(Auto* current = autoof(start);
516 current && current->position <= end;
519 // Want to copy single keyframes by putting the cursor on them
520 if(current->position >= start && current->position <= end)
522 current->copy(start, end, file, default_only);
526 // Copy default auto again to make it the active auto on the clipboard
529 // Need to force position to 0 for the case of plugins
530 // and default status to 0.
531 // default_auto->copy(0, 0, file, default_only);
533 //printf("Autos::copy 20\n");
538 // Remove 3 consecutive autos with the same value
539 // Remove autos which are out of order
540 void Autos::optimize()
545 // Default auto should always be at 0
546 default_auto->position = 0;
553 for(Auto *current = first; current; current = NEXT)
555 // Get 3rd consecutive auto of equal value
558 if(*current == *PREVIOUS)
570 if(done && current->position <= PREVIOUS->position)
581 void Autos::remove_nonsequential(Auto *keyframe)
583 if((keyframe->next && keyframe->next->position <= keyframe->position) ||
584 (keyframe->previous && keyframe->previous->position >= keyframe->position))
591 void Autos::set_automation_mode(int64_t start, int64_t end, int mode)
595 void Autos::clear(int64_t start,
600 Auto *next, *current;
601 length = end - start;
604 current = autoof(start);
606 // If a range is selected don't delete the ending keyframe but do delete
607 // the beginning keyframe because shifting end handle forward shouldn't
608 // delete the first keyframe of the next edit.
611 ((end != start && current->position < end) ||
612 (end == start && current->position <= end)))
619 while(current && shift_autos)
621 current->position -= length;
626 int Autos::clear_auto(int64_t position)
629 current = autoof(position);
630 return current->position==position ? (remove(current), 1) : 0;
634 int Autos::load(FileXML *file)
637 remove(last); // remove any existing autos
639 int result = 0, first_auto = 1;
643 result = file->read_tag();
647 // First tag with leading / is taken as end of autos
648 if(/* strstr(file->tag.get_title(), "AUTOS") && */
650 file->tag.get_title()[0] == '/')
655 if(!strcmp(file->tag.get_title(), "AUTO"))
659 default_auto->load(file);
660 default_auto->position = 0;
665 current = append(new_auto());
666 current->position = file->tag.get_property("POSITION", (int64_t)0);
680 int Autos::slope_adjustment(int64_t ax, double slope)
682 return (int)(ax * slope);
686 int Autos::scale_time(float rate_scale, int scale_edits, int scale_autos, int64_t start, int64_t end)
690 for(current = first; current && scale_autos; current = NEXT)
692 // if(current->position >= start && current->position <= end)
694 current->position = (int64_t)((current->position - start) * rate_scale + start + 0.5);
700 Auto* Autos::autoof(int64_t position)
705 current && current->position < position;
710 return current; // return 0 on failure
713 Auto* Autos::nearest_before(int64_t position)
717 for(current = last; current && current->position >= position; current = PREVIOUS)
721 return current; // return 0 on failure
724 Auto* Autos::nearest_after(int64_t position)
728 for(current = first; current && current->position <= position; current = NEXT)
732 return current; // return 0 on failure
735 int Autos::get_neighbors(int64_t start, int64_t end, Auto **before, Auto **after)
737 if(*before == 0) *before = first;
738 if(*after == 0) *after = last;
740 while(*before && (*before)->next && (*before)->next->position <= start)
741 *before = (*before)->next;
743 while(*after && (*after)->previous && (*after)->previous->position >= end)
744 *after = (*after)->previous;
746 while(*before && (*before)->position > start) *before = (*before)->previous;
748 while(*after && (*after)->position < end) *after = (*after)->next;
752 int Autos::automation_is_constant(int64_t start, int64_t end)
757 double Autos::get_automation_constant(int64_t start, int64_t end)
763 int Autos::init_automation(int64_t &buffer_position,
764 int64_t &input_start,
768 int64_t input_position,
776 // set start and end boundaries for automation info
777 input_start = reverse ? input_position - buffer_len : input_position;
778 input_end = reverse ? input_position : input_position + buffer_len;
780 // test automation for constant value
781 // and set up *before and *after
784 if(automation_is_constant(input_start, input_end))
786 constant += get_automation_constant(input_start, input_end);
794 int Autos::init_slope(Auto **current_auto,
797 double &slope_position,
798 int64_t &input_start,
805 *current_auto = reverse ? *after : *before;
806 // no auto before start so use first auto in range
807 // already know there is an auto since automation isn't constant
810 *current_auto = reverse ? last : first;
811 // slope_value = (*current_auto)->value;
812 slope_start = input_start;
817 // otherwise get the first slope point and advance auto
818 // slope_value = (*current_auto)->value;
819 slope_start = (*current_auto)->position;
820 slope_position = reverse ? slope_start - input_end : input_start - slope_start;
821 (*current_auto) = reverse ? (*current_auto)->previous : (*current_auto)->next;
827 int Autos::get_slope(Auto **current_auto,
833 int64_t buffer_position,
839 slope_end = reverse ? slope_start - (*current_auto)->position : (*current_auto)->position - slope_start;
841 // slope = ((*current_auto)->value - slope_value) / slope_end;
848 slope_end = buffer_len - buffer_position;
853 int Autos::advance_slope(Auto **current_auto,
856 double &slope_position,
861 slope_start = (*current_auto)->position;
862 // slope_value = (*current_auto)->value;
863 (*current_auto) = reverse ? (*current_auto)->previous : (*current_auto)->next;
869 int64_t Autos::get_length()
872 return last->position + 1;
877 void Autos::get_extents(float *min,
879 int *coords_undefined,
887 void Autos::dump(FILE *fp)