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
25 #include "edlsession.h"
26 #include "floatauto.h"
27 #include "localsession.h"
30 #include "transportque.inc"
33 Autos::Autos(EDL *edl, Track *track)
47 while(last) delete last;
51 void Autos::create_objects()
54 default_auto = new_auto();
55 default_auto->is_default = 1;
63 Auto* Autos::append_auto()
65 return append(new_auto());
69 Auto* Autos::new_auto()
71 return new Auto(edl, this);
74 void Autos::resample(double old_rate, double new_rate)
76 for(Auto *current = first; current; current = NEXT)
78 current->position = (int64_t)((double)current->position *
85 void Autos::equivalent_output(Autos *autos, int64_t startproject, int64_t *result)
87 // Default keyframe differs
88 if(!total() && !(*default_auto == *autos->default_auto))
90 if(*result < 0 || *result > startproject) *result = startproject;
93 // Search for difference
95 for(Auto *current = first, *that_current = autos->first;
96 current || that_current;
98 that_current = that_current->next)
101 if(current && !that_current)
103 int64_t position1 = (autos->last ? autos->last->position : startproject);
104 int64_t position2 = current->position;
105 if(*result < 0 || *result > MIN(position1, position2))
106 *result = MIN(position1, position2);
110 if(!current && that_current)
112 int64_t position1 = (last ? last->position : startproject);
113 int64_t position2 = that_current->position;
114 if(*result < 0 || *result > MIN(position1, position2))
115 *result = MIN(position1, position2);
120 if(!(*current == *that_current) ||
121 current->position != that_current->position)
123 int64_t position1 = (current->previous ?
124 current->previous->position :
126 int64_t position2 = (that_current->previous ?
127 that_current->previous->position :
129 if(*result < 0 || *result > MIN(position1, position2))
130 *result = MIN(position1, position2);
137 void Autos::copy_from(Autos *autos)
139 Auto *current = autos->first, *this_current = first;
141 default_auto->copy_from(autos->default_auto);
143 // Detect common memory leak bug
144 if(autos->first && !autos->last)
146 printf("Autos::copy_from inconsistent pointers\n");
150 for(current = autos->first; current; current = NEXT)
152 //printf("Autos::copy_from 1 %p\n", current);
156 append(this_current = new_auto());
158 this_current->copy_from(current);
159 this_current = this_current->next;
162 for( ; this_current; )
164 Auto *next_current = this_current->next;
166 this_current = next_current;
171 // We don't replace it in pasting but
172 // when inserting the first EDL of a load operation we need to replace
173 // the default keyframe.
174 void Autos::insert_track(Autos *automation,
176 int64_t length_units,
180 insert(start_unit, start_unit + length_units);
182 if(replace_default) default_auto->copy_from(automation->default_auto);
183 for(Auto *current = automation->first; current; current = NEXT)
185 // fill new auto with values from current (template), interpolate values if possible
186 Auto *new_auto = insert_auto(start_unit + current->position, current);
187 // Override copy_from
188 new_auto->position = current->position + start_unit;
192 Auto* Autos::get_prev_auto(int64_t position,
197 // Get on or before position
198 if(direction == PLAY_FORWARD)
200 // Try existing result
203 while(current && current->position < position) current = NEXT;
204 while(current && current->position > position) current = PREVIOUS;
207 if(!current && first && first->position <= position)
210 current && current->position > position;
211 current = PREVIOUS) ;
213 if(!current && use_default) current = (first ? first : default_auto);
216 // Get on or after position
217 if(direction == PLAY_REVERSE)
221 while(current && current->position > position) current = PREVIOUS;
222 while(current && current->position < position) current = NEXT;
225 if(!current && last && last->position >= position)
228 current && current->position < position;
232 if(!current && use_default) current = (last ? last : default_auto);
238 Auto* Autos::get_prev_auto(int direction, Auto* ¤t)
240 double position_double = edl->local_session->get_selectionstart(1);
241 position_double = edl->align_to_frame(position_double, 0);
242 int64_t position = track->to_units(position_double, 0);
244 return get_prev_auto(position, direction, current);
247 int Autos::auto_exists_for_editing(double position)
251 if(edl->session->auto_keyframes)
253 double unit_position = position;
254 unit_position = edl->align_to_frame(unit_position, 0);
255 if (get_auto_at_position(unit_position))
266 Auto* Autos::get_auto_at_position(double position)
268 int64_t unit_position = track->to_units(position, 0);
270 for(Auto *current = first;
274 if(edl->equivalent(current->position, unit_position))
283 Auto* Autos::get_auto_for_editing(double position, int create)
286 position = edl->local_session->get_selectionstart(1);
290 get_prev_auto(track->to_units(position, 0), PLAY_FORWARD, result);
291 if( create > 0 ) create = edl->session->auto_keyframes;
292 if( create && (!result || result->is_default ||
293 !EQUIV(track->from_units(result->position), position)) ) {
294 //printf("Autos::get_auto_for_editing %p %p %p\n", default_auto, first, result);
295 position = edl->align_to_frame(position, 0);
296 result = insert_auto(track->to_units(position, 0));
298 //printf("Autos::get_auto_for_editing %p %p\n", first, default_auto);
304 Auto* Autos::get_next_auto(int64_t position, int direction, Auto* ¤t, int use_default)
306 if(direction == PLAY_FORWARD)
310 while(current && current->position > position) current = PREVIOUS;
311 while(current && current->position < position) current = NEXT;
314 if(!current && last && last->position > position)
317 current && current->position <= position;
322 if(!current && use_default) current = (last ? last : default_auto);
325 if(direction == PLAY_REVERSE)
329 while(current && current->position < position) current = NEXT;
330 while(current && current->position > position) current = PREVIOUS;
333 if(!current && first && first->position <= position)
336 current && current->position > position;
341 if(!current && use_default) current = (first ? first : default_auto);
346 Auto* Autos::insert_auto(int64_t position, Auto *templ)
348 Auto *current, *result;
350 // Test for existence
352 current && !edl->equivalent(current->position, position);
361 // Get first one on or before as a template
363 current && current->position > position;
371 insert_after(current, result = new_auto());
376 if(!current) current = default_auto;
378 insert_before(first, result = new_auto());
381 // interpolate if possible, else copy from template
382 result->interpolate_from(0, 0, position, templ);
384 if( !templ && result->is_floatauto() ) {
385 FloatAuto *floatauto = (FloatAuto *)result;
386 floatauto->curve_mode =
387 edl->local_session->playback_start >= 0 &&
388 edl->local_session->playback_end < 0 ? FloatAuto::SMOOTH :
389 (FloatAuto::t_mode) edl->local_session->floatauto_type;
400 int Autos::clear_all()
402 Auto *current_, *current;
404 for(current = first; current; current = current_)
413 int Autos::insert(int64_t start, int64_t end)
416 Auto *current = first;
418 for( ; current && current->position < start; current = NEXT)
421 length = end - start;
423 for(; current; current = NEXT)
425 current->position += length;
430 void Autos::paste(int64_t start,
440 //printf("Autos::paste %d start=%jd\n", __LINE__, start);
442 result = file->read_tag();
444 if(!result && !file->tag.title_is("/AUTO"))
447 if(file->tag.get_title()[0] == '/')
452 if(!strcmp(file->tag.get_title(), "AUTO"))
456 // Paste first auto into default
457 if(default_only && total == 0)
459 current = default_auto;
462 // Paste default auto into default
465 int64_t position = Units::to_int64(
466 (double)file->tag.get_property("POSITION", 0) *
469 // Paste active auto into track
470 current = insert_auto(position);
484 int Autos::paste_silence(int64_t start, int64_t end)
490 int Autos::copy(int64_t start,
496 // First auto always loaded with default
497 //printf("Autos::copy %d %d %d\n", __LINE__, default_only, active_only);
498 if(default_only || (!active_only && !default_only))
500 default_auto->copy(0, 0, file, default_only);
503 //printf("Autos::copy 10 %d %d %p\n", default_only, start, autoof(start));
504 if(active_only || (!default_only && !active_only))
506 Auto *current = autoof(start);
508 while( current && current->position <= end ) {
509 // Want to copy single keyframes by putting the cursor on them
510 if( current->position >= start && current->position <= end ) {
511 current->copy(start, end, file, default_only);
516 // Copy default auto again to make it the active auto on the clipboard
519 // Need to force position to 0 for the case of plugins
520 // and default status to 0.
521 // default_auto->copy(0, 0, file, default_only);
523 //printf("Autos::copy 20\n");
528 // Remove 3 consecutive autos with the same value
529 // Remove autos which are out of order
530 void Autos::optimize()
535 // Default auto should always be at 0
536 default_auto->position = 0;
543 for(Auto *current = first; current; current = NEXT)
545 // Get 3rd consecutive auto of equal value
548 if(*current == *PREVIOUS)
560 if(done && current->position <= PREVIOUS->position)
571 void Autos::remove_nonsequential(Auto *keyframe)
573 if((keyframe->next && keyframe->next->position <= keyframe->position) ||
574 (keyframe->previous && keyframe->previous->position >= keyframe->position))
581 void Autos::set_automation_mode(int64_t start, int64_t end, int mode)
585 void Autos::clear(int64_t start,
590 Auto *next, *current;
591 length = end - start;
594 current = autoof(start);
596 // If a range is selected don't delete the ending keyframe but do delete
597 // the beginning keyframe because shifting end handle forward shouldn't
598 // delete the first keyframe of the next edit.
601 ((end != start && current->position < end) ||
602 (end == start && current->position <= end)))
609 while(current && shift_autos)
611 current->position -= length;
616 int Autos::clear_auto(int64_t position)
619 current = autoof(position);
620 return current->position==position ? (remove(current), 1) : 0;
624 int Autos::load(FileXML *file)
627 remove(last); // remove any existing autos
629 int result = 0, first_auto = 1;
633 result = file->read_tag();
635 if(!result && !file->tag.title_is("/AUTO"))
637 // First tag with leading / is taken as end of autos
638 if(/* strstr(file->tag.get_title(), "AUTOS") && */
640 file->tag.get_title()[0] == '/')
645 if(!strcmp(file->tag.get_title(), "AUTO"))
649 default_auto->load(file);
650 default_auto->position = 0;
655 current = append(new_auto());
656 current->position = file->tag.get_property("POSITION", (int64_t)0);
670 int Autos::slope_adjustment(int64_t ax, double slope)
672 return (int)(ax * slope);
676 int Autos::scale_time(float rate_scale, int scale_edits, int scale_autos, int64_t start, int64_t end)
680 for(current = first; current && scale_autos; current = NEXT)
682 // if(current->position >= start && current->position <= end)
684 current->position = (int64_t)((current->position - start) * rate_scale + start + 0.5);
690 Auto* Autos::autoof(int64_t position)
695 current && current->position < position;
700 return current; // return 0 on failure
703 Auto* Autos::nearest_before(int64_t position)
706 for(current = last; current && current->position >= position; current = PREVIOUS);
707 return current; // return 0 on failure
710 Auto* Autos::nearest_after(int64_t position)
713 for(current = first; current && current->position <= position; current = NEXT);
714 return current; // return 0 on failure
717 int Autos::get_neighbors(int64_t start, int64_t end, Auto **before, Auto **after)
719 if(*before == 0) *before = first;
720 if(*after == 0) *after = last;
722 while(*before && (*before)->next && (*before)->next->position <= start)
723 *before = (*before)->next;
725 while(*after && (*after)->previous && (*after)->previous->position >= end)
726 *after = (*after)->previous;
728 while(*before && (*before)->position > start) *before = (*before)->previous;
730 while(*after && (*after)->position < end) *after = (*after)->next;
734 int Autos::automation_is_constant(int64_t start, int64_t end)
739 double Autos::get_automation_constant(int64_t start, int64_t end)
745 int Autos::init_automation(int64_t &buffer_position,
746 int64_t &input_start,
750 int64_t input_position,
758 // set start and end boundaries for automation info
759 input_start = reverse ? input_position - buffer_len : input_position;
760 input_end = reverse ? input_position : input_position + buffer_len;
762 // test automation for constant value
763 // and set up *before and *after
766 if(automation_is_constant(input_start, input_end))
768 constant += get_automation_constant(input_start, input_end);
776 int Autos::init_slope(Auto **current_auto,
779 double &slope_position,
780 int64_t &input_start,
787 *current_auto = reverse ? *after : *before;
788 // no auto before start so use first auto in range
789 // already know there is an auto since automation isn't constant
792 *current_auto = reverse ? last : first;
793 // slope_value = (*current_auto)->value;
794 slope_start = input_start;
799 // otherwise get the first slope point and advance auto
800 // slope_value = (*current_auto)->value;
801 slope_start = (*current_auto)->position;
802 slope_position = reverse ? slope_start - input_end : input_start - slope_start;
803 (*current_auto) = reverse ? (*current_auto)->previous : (*current_auto)->next;
809 int Autos::get_slope(Auto **current_auto,
815 int64_t buffer_position,
821 slope_end = reverse ? slope_start - (*current_auto)->position : (*current_auto)->position - slope_start;
823 // slope = ((*current_auto)->value - slope_value) / slope_end;
830 slope_end = buffer_len - buffer_position;
835 int Autos::advance_slope(Auto **current_auto,
838 double &slope_position,
843 slope_start = (*current_auto)->position;
844 // slope_value = (*current_auto)->value;
845 (*current_auto) = reverse ? (*current_auto)->previous : (*current_auto)->next;
851 int64_t Autos::get_length()
854 return last->position + 1;
859 void Autos::get_extents(float *min,
861 int *coords_undefined,
869 void Autos::dump(FILE *fp)