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fix import/embed with "sequence files" option
[ardour2.git] / gtk2_ardour / audio_region_view.cc
blob20310c4f4f21a45185641e38aea6454e313fe8ac
1 /*
2 Copyright (C) 2001-2006 Paul Davis
3
4 This program is free software; you can r>edistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
8
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
13
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
17
18 */
19
20 #include <cmath>
21 #include <cassert>
22 #include <algorithm>
23
24 #include <gtkmm.h>
25
26 #include <gtkmm2ext/gtk_ui.h>
27
28 #include <ardour/playlist.h>
29 #include <ardour/audioregion.h>
30 #include <ardour/audiosource.h>
31 #include <ardour/audio_diskstream.h>
32 #include <ardour/profile.h>
33 #include <pbd/memento_command.h>
34 #include <pbd/stacktrace.h>
35
36 #include "streamview.h"
37 #include "audio_region_view.h"
38 #include "audio_time_axis.h"
39 #include "simplerect.h"
40 #include "simpleline.h"
41 #include "waveview.h"
42 #include "public_editor.h"
43 #include "audio_region_editor.h"
44 #include "region_gain_line.h"
45 #include "ghostregion.h"
46 #include "audio_time_axis.h"
47 #include "utils.h"
48 #include "rgb_macros.h"
49 #include "gui_thread.h"
50 #include "ardour_ui.h"
51
52 #include "i18n.h"
53
54 #define MUTED_ALPHA 10
55
56 using namespace sigc;
57 using namespace ARDOUR;
58 using namespace PBD;
59 using namespace Editing;
60 using namespace ArdourCanvas;
61
62 static const int32_t sync_mark_width = 9;
63
64 AudioRegionView::AudioRegionView (ArdourCanvas::Group *parent, RouteTimeAxisView &tv, boost::shared_ptr<AudioRegion> r, double spu,
65 Gdk::Color& basic_color)
66 : RegionView (parent, tv, r, spu, basic_color)
67 , sync_mark(0)
68 , zero_line(0)
69 , fade_in_shape(0)
70 , fade_out_shape(0)
71 , fade_in_handle(0)
72 , fade_out_handle(0)
73 , gain_line(0)
74 , _amplitude_above_axis(1.0)
75 , _flags(0)
76 , fade_color(0)
77 {
78 }
79
80
81 AudioRegionView::AudioRegionView (ArdourCanvas::Group *parent, RouteTimeAxisView &tv, boost::shared_ptr<AudioRegion> r, double spu,
82 Gdk::Color& basic_color, bool recording, TimeAxisViewItem::Visibility visibility)
83 : RegionView (parent, tv, r, spu, basic_color, recording, visibility)
84 , sync_mark(0)
85 , zero_line(0)
86 , fade_in_shape(0)
87 , fade_out_shape(0)
88 , fade_in_handle(0)
89 , fade_out_handle(0)
90 , gain_line(0)
91 , _amplitude_above_axis(1.0)
92 , _flags(0)
93 , fade_color(0)
94 {
95 }
96
97
98 AudioRegionView::AudioRegionView (const AudioRegionView& other)
99 : RegionView (other)
100 , zero_line(0)
101 , fade_in_shape(0)
102 , fade_out_shape(0)
103 , fade_in_handle(0)
104 , fade_out_handle(0)
105 , gain_line(0)
106 , _amplitude_above_axis(1.0)
107 , _flags(0)
108 , fade_color(0)
109
110 {
111 Gdk::Color c;
112 int r,g,b,a;
113
114 UINT_TO_RGBA (other.fill_color, &r, &g, &b, &a);
115 c.set_rgb_p (r/255.0, g/255.0, b/255.0);
116
117 init (c, true);
118 }
119
120 AudioRegionView::AudioRegionView (const AudioRegionView& other, boost::shared_ptr<AudioRegion> other_region)
121 : RegionView (other, boost::shared_ptr<Region> (other_region))
122 , zero_line(0)
123 , fade_in_shape(0)
124 , fade_out_shape(0)
125 , fade_in_handle(0)
126 , fade_out_handle(0)
127 , gain_line(0)
128 , _amplitude_above_axis(1.0)
129 , _flags(0)
130 , fade_color(0)
131
132 {
133 Gdk::Color c;
134 int r,g,b,a;
135
136 UINT_TO_RGBA (other.fill_color, &r, &g, &b, &a);
137 c.set_rgb_p (r/255.0, g/255.0, b/255.0);
138
139 init (c, true);
140 }
141
142 void
143 AudioRegionView::init (Gdk::Color& basic_color, bool wfd)
144 {
145 // FIXME: Some redundancy here with RegionView::init. Need to figure out
146 // where order is important and where it isn't...
147
148 RegionView::init (basic_color, wfd);
149
150 XMLNode *node;
151
152 _amplitude_above_axis = 1.0;
153 zero_line = 0;
154 _flags = 0;
155
156 if ((node = _region->extra_xml ("GUI")) != 0) {
157 set_flags (node);
158 } else {
159 _flags = WaveformVisible;
160 store_flags ();
161 }
162
163 if (trackview.editor.new_regionviews_display_gain()) {
164 _flags |= EnvelopeVisible;
165 }
166
167 compute_colors (basic_color);
168
169 create_waves ();
170
171 fade_in_shape = new ArdourCanvas::Polygon (*group);
172 fade_in_shape->property_fill_color_rgba() = fade_color;
173 fade_in_shape->set_data ("regionview", this);
174
175 fade_out_shape = new ArdourCanvas::Polygon (*group);
176 fade_out_shape->property_fill_color_rgba() = fade_color;
177 fade_out_shape->set_data ("regionview", this);
178
179 {
180 uint32_t r,g,b,a;
181 UINT_TO_RGBA(fill_color,&r,&g,&b,&a);
182
183
184 fade_in_handle = new ArdourCanvas::SimpleRect (*group);
185 fade_in_handle->property_fill_color_rgba() = RGBA_TO_UINT(r,g,b,0);
186 fade_in_handle->property_outline_pixels() = 0;
187 fade_in_handle->property_y1() = 2.0;
188 fade_in_handle->property_y2() = 7.0;
189
190 fade_in_handle->set_data ("regionview", this);
191
192 fade_out_handle = new ArdourCanvas::SimpleRect (*group);
193 fade_out_handle->property_fill_color_rgba() = RGBA_TO_UINT(r,g,b,0);
194 fade_out_handle->property_outline_pixels() = 0;
195 fade_out_handle->property_y1() = 2.0;
196 fade_out_handle->property_y2() = 7.0;
197
198 fade_out_handle->set_data ("regionview", this);
199 }
200
201 if (!Config->get_show_region_fades()) {
202 set_fade_visibility (false);
203 }
204
205 string foo = _region->name();
206 foo += ':';
207 foo += "gain";
208
209 if (!Profile->get_sae()) {
210 gain_line = new AudioRegionGainLine (foo, trackview.session(), *this, *group, audio_region()->envelope());
211
212 if (!(_flags & EnvelopeVisible)) {
213 gain_line->hide ();
214 } else {
215 gain_line->show ();
216 }
217
218 gain_line->reset ();
219 }
220
221 set_height (trackview.current_height());
222
223 region_muted ();
224 region_sync_changed ();
225 region_resized (BoundsChanged);
226 set_waveview_data_src();
227 region_locked ();
228 envelope_active_changed ();
229 fade_in_active_changed ();
230 fade_out_active_changed ();
231
232 _region->StateChanged.connect (mem_fun(*this, &AudioRegionView::region_changed));
233
234 fade_in_shape->signal_event().connect (bind (mem_fun (PublicEditor::instance(), &PublicEditor::canvas_fade_in_event), fade_in_shape, this));
235 fade_in_handle->signal_event().connect (bind (mem_fun (PublicEditor::instance(), &PublicEditor::canvas_fade_in_handle_event), fade_in_handle, this));
236 fade_out_shape->signal_event().connect (bind (mem_fun (PublicEditor::instance(), &PublicEditor::canvas_fade_out_event), fade_out_shape, this));
237 fade_out_handle->signal_event().connect (bind (mem_fun (PublicEditor::instance(), &PublicEditor::canvas_fade_out_handle_event), fade_out_handle, this));
238
239 set_colors ();
240
241 /* XXX sync mark drag? */
242 }
243
244 AudioRegionView::~AudioRegionView ()
245 {
246 in_destructor = true;
247
248 RegionViewGoingAway (this); /* EMIT_SIGNAL */
249
250 for (vector<GnomeCanvasWaveViewCache *>::iterator cache = wave_caches.begin(); cache != wave_caches.end() ; ++cache) {
251 gnome_canvas_waveview_cache_destroy (*cache);
252 }
253
254 /* all waveviews etc will be destroyed when the group is destroyed */
255
256 if (gain_line) {
257 delete gain_line;
258 }
259 }
260
261 boost::shared_ptr<ARDOUR::AudioRegion>
262 AudioRegionView::audio_region() const
263 {
264 // "Guaranteed" to succeed...
265 return boost::dynamic_pointer_cast<AudioRegion>(_region);
266 }
267
268 void
269 AudioRegionView::region_changed (Change what_changed)
270 {
271 ENSURE_GUI_THREAD (bind (mem_fun(*this, &AudioRegionView::region_changed), what_changed));
272 //cerr << "AudioRegionView::region_changed() called" << endl;
273
274 RegionView::region_changed(what_changed);
275
276 if (what_changed & AudioRegion::ScaleAmplitudeChanged) {
277 region_scale_amplitude_changed ();
278 }
279 if (what_changed & AudioRegion::FadeInChanged) {
280 fade_in_changed ();
281 }
282 if (what_changed & AudioRegion::FadeOutChanged) {
283 fade_out_changed ();
284 }
285 if (what_changed & AudioRegion::FadeInActiveChanged) {
286 fade_in_active_changed ();
287 }
288 if (what_changed & AudioRegion::FadeOutActiveChanged) {
289 fade_out_active_changed ();
290 }
291 if (what_changed & AudioRegion::EnvelopeActiveChanged) {
292 envelope_active_changed ();
293 }
294 }
295
296 void
297 AudioRegionView::fade_in_changed ()
298 {
299 reset_fade_in_shape ();
300 }
301
302 void
303 AudioRegionView::fade_out_changed ()
304 {
305 reset_fade_out_shape ();
306 }
307 void
308 AudioRegionView::fade_in_active_changed ()
309 {
310 uint32_t r,g,b,a;
311 uint32_t col;
312 UINT_TO_RGBA(fade_color,&r,&g,&b,&a);
313
314 if (audio_region()->fade_in_active()) {
315 col = RGBA_TO_UINT(r,g,b,120);
316 fade_in_shape->property_fill_color_rgba() = col;
317 fade_in_shape->property_width_pixels() = 0;
318 fade_in_shape->property_outline_color_rgba() = RGBA_TO_UINT(r,g,b,0);
319 } else {
320 col = RGBA_TO_UINT(r,g,b,0);
321 fade_in_shape->property_fill_color_rgba() = col;
322 fade_in_shape->property_width_pixels() = 1;
323 fade_in_shape->property_outline_color_rgba() = RGBA_TO_UINT(r,g,b,255);
324 }
325 }
326
327 void
328 AudioRegionView::fade_out_active_changed ()
329 {
330 uint32_t r,g,b,a;
331 uint32_t col;
332 UINT_TO_RGBA(fade_color,&r,&g,&b,&a);
333
334 if (audio_region()->fade_out_active()) {
335 col = RGBA_TO_UINT(r,g,b,120);
336 fade_out_shape->property_fill_color_rgba() = col;
337 fade_out_shape->property_width_pixels() = 0;
338 fade_out_shape->property_outline_color_rgba() = RGBA_TO_UINT(r,g,b,0);
339 } else {
340 col = RGBA_TO_UINT(r,g,b,0);
341 fade_out_shape->property_fill_color_rgba() = col;
342 fade_out_shape->property_width_pixels() = 1;
343 fade_out_shape->property_outline_color_rgba() = RGBA_TO_UINT(r,g,b,255);
344 }
345 }
346
347
348 void
349 AudioRegionView::region_scale_amplitude_changed ()
350 {
351 ENSURE_GUI_THREAD (mem_fun(*this, &AudioRegionView::region_scale_amplitude_changed));
352
353 for (uint32_t n = 0; n < waves.size(); ++n) {
354 // force a reload of the cache
355 waves[n]->property_data_src() = _region.get();
356 }
357 }
358
359 void
360 AudioRegionView::region_resized (Change what_changed)
361 {
362 RegionView::region_resized(what_changed);
363
364 if (what_changed & Change (StartChanged|LengthChanged)) {
365
366 for (uint32_t n = 0; n < waves.size(); ++n) {
367 waves[n]->property_region_start() = _region->start();
368 }
369
370 for (vector<GhostRegion*>::iterator i = ghosts.begin(); i != ghosts.end(); ++i) {
371
372 for (vector<WaveView*>::iterator w = (*i)->waves.begin(); w != (*i)->waves.end(); ++w) {
373 (*w)->property_region_start() = _region->start();
374 }
375 }
376 }
377 }
378
379 void
380 AudioRegionView::reset_width_dependent_items (double pixel_width)
381 {
382 RegionView::reset_width_dependent_items(pixel_width);
383 assert(_pixel_width == pixel_width);
384
385 if (zero_line) {
386 zero_line->property_x2() = pixel_width - 1.0;
387 }
388
389 if (fade_in_handle) {
390 if (pixel_width <= 6.0) {
391 fade_in_handle->hide();
392 fade_out_handle->hide();
393 } else {
394 if (_height < 5.0) {
395 fade_in_handle->hide();
396 fade_out_handle->hide();
397 } else {
398 if (Config->get_show_region_fades()) {
399 fade_in_handle->show();
400 fade_out_handle->show();
401 }
402 }
403 }
404 }
405
406 reset_fade_shapes ();
407 }
408
409 void
410 AudioRegionView::region_muted ()
411 {
412 RegionView::region_muted();
413
414 for (uint32_t n=0; n < waves.size(); ++n) {
415 if (_region->muted()) {
416 waves[n]->property_wave_color() = UINT_RGBA_CHANGE_A(ARDOUR_UI::config()->canvasvar_WaveForm.get(), MUTED_ALPHA);
417 } else {
418 waves[n]->property_wave_color() = ARDOUR_UI::config()->canvasvar_WaveForm.get();
419 }
420 }
421 }
422
423
424 void
425 AudioRegionView::set_height (gdouble height)
426 {
427 RegionView::set_height (height);
428
429 uint32_t wcnt = waves.size();
430
431 // FIXME: ick
432 height -= 2;
433 TimeAxisViewItem::set_height (height);
434
435 for (uint32_t n=0; n < wcnt; ++n) {
436 gdouble ht;
437
438 if ((height) < NAME_HIGHLIGHT_THRESH) {
439 ht = ((height-2*wcnt) / (double) wcnt);
440 } else {
441 ht = (((height-2*wcnt) - NAME_HIGHLIGHT_SIZE) / (double) wcnt);
442 }
443
444 gdouble yoff = n * (ht+1);
445
446 waves[n]->property_height() = ht;
447 waves[n]->property_y() = yoff + 2;
448 }
449
450 if (gain_line) {
451 if ((height/wcnt) < NAME_HIGHLIGHT_THRESH) {
452 gain_line->hide ();
453 } else {
454 if (_flags & EnvelopeVisible) {
455 gain_line->show ();
456 }
457 }
458 gain_line->set_height ((uint32_t) rint (height - NAME_HIGHLIGHT_SIZE - 2));
459 }
460
461 manage_zero_line ();
462 reset_fade_shapes ();
463
464 }
465
466 void
467 AudioRegionView::manage_zero_line ()
468 {
469 if (!zero_line) {
470 return;
471 }
472
473 if (_height >= 100) {
474 gdouble wave_midpoint = (_height - NAME_HIGHLIGHT_SIZE) / 2.0;
475 zero_line->property_y1() = wave_midpoint;
476 zero_line->property_y2() = wave_midpoint;
477 zero_line->show();
478 } else {
479 zero_line->hide();
480 }
481 }
482
483 void
484 AudioRegionView::reset_fade_shapes ()
485 {
486 reset_fade_in_shape ();
487 reset_fade_out_shape ();
488 }
489
490 void
491 AudioRegionView::reset_fade_in_shape ()
492 {
493 reset_fade_in_shape_width ((nframes_t) audio_region()->fade_in().back()->when);
494 }
495
496 void
497 AudioRegionView::reset_fade_in_shape_width (nframes_t width)
498 {
499 if (fade_in_handle == 0) {
500 return;
501 }
502
503 /* smallest size for a fade is 64 frames */
504
505 width = std::max ((nframes_t) 64, width);
506
507 Points* points;
508 double pwidth = width / samples_per_unit;
509 uint32_t npoints = std::min (gdk_screen_width(), (int) pwidth);
510 double h;
511
512 if (_height < 5) {
513 fade_in_shape->hide();
514 fade_in_handle->hide();
515 return;
516 }
517
518 double handle_center;
519 handle_center = pwidth;
520
521 if (handle_center > 7.0) {
522 handle_center -= 3.0;
523 } else {
524 handle_center = 3.0;
525 }
526
527 fade_in_handle->property_x1() = handle_center - 3.0;
528 fade_in_handle->property_x2() = handle_center + 3.0;
529
530 if (pwidth < 5) {
531 fade_in_shape->hide();
532 return;
533 }
534
535 if (Config->get_show_region_fades()) {
536 fade_in_shape->show();
537 }
538
539 float curve[npoints];
540 audio_region()->fade_in().get_vector (0, audio_region()->fade_in().back()->when, curve, npoints);
541
542 points = get_canvas_points ("fade in shape", npoints+3);
543
544 if (_height >= NAME_HIGHLIGHT_THRESH) {
545 h = _height - NAME_HIGHLIGHT_SIZE;
546 } else {
547 h = _height;
548 }
549
550 /* points *MUST* be in anti-clockwise order */
551
552 uint32_t pi, pc;
553 double xdelta = pwidth/npoints;
554
555 for (pi = 0, pc = 0; pc < npoints; ++pc) {
556 (*points)[pi].set_x(1 + (pc * xdelta));
557 (*points)[pi++].set_y(2 + (h - (curve[pc] * h)));
558 }
559
560 /* fold back */
561
562 (*points)[pi].set_x(pwidth);
563 (*points)[pi++].set_y(2);
564
565 (*points)[pi].set_x(1);
566 (*points)[pi++].set_y(2);
567
568 /* connect the dots ... */
569
570 (*points)[pi] = (*points)[0];
571
572 fade_in_shape->property_points() = *points;
573 delete points;
574 }
575
576 void
577 AudioRegionView::reset_fade_out_shape ()
578 {
579 reset_fade_out_shape_width ((nframes_t) audio_region()->fade_out().back()->when);
580 }
581
582 void
583 AudioRegionView::reset_fade_out_shape_width (nframes_t width)
584 {
585 if (fade_out_handle == 0) {
586 return;
587 }
588
589 /* smallest size for a fade is 64 frames */
590
591 width = std::max ((nframes_t) 64, width);
592
593 Points* points;
594 double pwidth = width / samples_per_unit;
595 uint32_t npoints = std::min (gdk_screen_width(), (int) pwidth);
596 double h;
597
598 if (_height < 5) {
599 fade_out_shape->hide();
600 fade_out_handle->hide();
601 return;
602 }
603
604 double handle_center;
605 handle_center = (_region->length() - width) / samples_per_unit;
606
607 if (handle_center > 7.0) {
608 handle_center -= 3.0;
609 } else {
610 handle_center = 3.0;
611 }
612
613 fade_out_handle->property_x1() = handle_center - 3.0;
614 fade_out_handle->property_x2() = handle_center + 3.0;
615
616 /* don't show shape if its too small */
617
618 if (pwidth < 5) {
619 fade_out_shape->hide();
620 return;
621 }
622
623 if (Config->get_show_region_fades()) {
624 fade_out_shape->show();
625 }
626
627 float curve[npoints];
628 audio_region()->fade_out().get_vector (0, audio_region()->fade_out().back()->when, curve, npoints);
629
630 if (_height >= NAME_HIGHLIGHT_THRESH) {
631 h = _height - NAME_HIGHLIGHT_SIZE;
632 } else {
633 h = _height;
634 }
635
636 /* points *MUST* be in anti-clockwise order */
637
638 points = get_canvas_points ("fade out shape", npoints+3);
639
640 uint32_t pi, pc;
641 double xdelta = pwidth/npoints;
642
643 for (pi = 0, pc = 0; pc < npoints; ++pc) {
644 (*points)[pi].set_x(_pixel_width - 1 - pwidth + (pc*xdelta));
645 (*points)[pi++].set_y(2 + (h - (curve[pc] * h)));
646 }
647
648 /* fold back */
649
650 (*points)[pi].set_x(_pixel_width);
651 (*points)[pi++].set_y(h);
652
653 (*points)[pi].set_x(_pixel_width);
654 (*points)[pi++].set_y(2);
655
656 /* connect the dots ... */
657
658 (*points)[pi] = (*points)[0];
659
660 fade_out_shape->property_points() = *points;
661 delete points;
662 }
663
664 void
665 AudioRegionView::set_samples_per_unit (gdouble spu)
666 {
667 RegionView::set_samples_per_unit (spu);
668
669 if (_flags & WaveformVisible) {
670 for (uint32_t n=0; n < waves.size(); ++n) {
671 waves[n]->property_samples_per_unit() = spu;
672 }
673 }
674
675 if (gain_line) {
676 gain_line->reset ();
677 }
678
679 reset_fade_shapes ();
680 }
681
682 void
683 AudioRegionView::set_amplitude_above_axis (gdouble spp)
684 {
685 for (uint32_t n=0; n < waves.size(); ++n) {
686 waves[n]->property_amplitude_above_axis() = spp;
687 }
688 }
689
690 void
691 AudioRegionView::compute_colors (Gdk::Color& basic_color)
692 {
693 RegionView::compute_colors(basic_color);
694
695 uint32_t r, g, b, a;
696
697 /* gain color computed in envelope_active_changed() */
698
699 UINT_TO_RGBA (fill_color, &r, &g, &b, &a);
700 fade_color = RGBA_TO_UINT(r,g,b,120);
701 }
702
703 void
704 AudioRegionView::set_colors ()
705 {
706 RegionView::set_colors();
707
708 if (gain_line) {
709 gain_line->set_line_color (audio_region()->envelope_active() ? ARDOUR_UI::config()->canvasvar_GainLine.get() : ARDOUR_UI::config()->canvasvar_GainLineInactive.get());
710 }
711
712 for (uint32_t n=0; n < waves.size(); ++n) {
713 if (_region->muted()) {
714 waves[n]->property_wave_color() = UINT_RGBA_CHANGE_A(ARDOUR_UI::config()->canvasvar_WaveForm.get(), MUTED_ALPHA);
715 } else {
716 waves[n]->property_wave_color() = ARDOUR_UI::config()->canvasvar_WaveForm.get();
717 }
718
719 waves[n]->property_clip_color() = ARDOUR_UI::config()->canvasvar_WaveFormClip.get();
720 waves[n]->property_zero_color() = ARDOUR_UI::config()->canvasvar_ZeroLine.get();
721 }
722 }
723
724 void
725 AudioRegionView::show_region_editor ()
726 {
727 if (editor == 0) {
728 editor = new AudioRegionEditor (trackview.session(), audio_region(), *this);
729 // GTK2FIX : how to ensure float without realizing
730 // editor->realize ();
731 // trackview.editor.ensure_float (*editor);
732 }
733
734 editor->present ();
735 editor->show_all();
736 }
737
738 void
739 AudioRegionView::set_waveform_visible (bool yn)
740 {
741 if (((_flags & WaveformVisible) != yn)) {
742 if (yn) {
743 for (uint32_t n=0; n < waves.size(); ++n) {
744 /* make sure the zoom level is correct, since we don't update
745 this when waveforms are hidden.
746 */
747 waves[n]->property_samples_per_unit() = samples_per_unit;
748 waves[n]->show();
749 }
750 _flags |= WaveformVisible;
751 } else {
752 for (uint32_t n=0; n < waves.size(); ++n) {
753 waves[n]->hide();
754 }
755 _flags &= ~WaveformVisible;
756 }
757 store_flags ();
758 }
759 }
760
761 void
762 AudioRegionView::temporarily_hide_envelope ()
763 {
764 if (gain_line) {
765 gain_line->hide ();
766 }
767 }
768
769 void
770 AudioRegionView::unhide_envelope ()
771 {
772 if (gain_line && (_flags & EnvelopeVisible)) {
773 gain_line->show ();
774 }
775 }
776
777 void
778 AudioRegionView::set_envelope_visible (bool yn)
779 {
780 if (gain_line && ((_flags & EnvelopeVisible) != yn)) {
781 if (yn) {
782 gain_line->show ();
783 _flags |= EnvelopeVisible;
784 } else {
785 gain_line->hide ();
786 _flags &= ~EnvelopeVisible;
787 }
788 store_flags ();
789 }
790 }
791
792 void
793 AudioRegionView::create_waves ()
794 {
795 // cerr << "AudioRegionView::create_waves() called on " << this << endl;//DEBUG
796 RouteTimeAxisView& atv (*(dynamic_cast<RouteTimeAxisView*>(&trackview))); // ick
797
798 if (!atv.get_diskstream()) {
799 return;
800 }
801
802 uint32_t nchans = atv.get_diskstream()->n_channels();
803
804 // cerr << "creating waves for " << _region->name() << " with wfd = " << wait_for_data << " and channels = " << nchans << endl;
805
806 /* in tmp_waves, set up null pointers for each channel so the vector is allocated */
807 for (uint32_t n = 0; n < nchans; ++n) {
808 tmp_waves.push_back (0);
809 }
810
811 for (uint32_t n = 0; n < nchans; ++n) {
812
813 if (n >= audio_region()->n_channels()) {
814 break;
815 }
816
817 wave_caches.push_back (WaveView::create_cache ());
818
819 // cerr << "\tchannel " << n << endl;
820
821 if (wait_for_data) {
822 if (audio_region()->source(n)->peaks_ready (bind (mem_fun(*this, &AudioRegionView::peaks_ready_handler), n), data_ready_connection)) {
823 // cerr << "\tData is ready\n";
824 create_one_wave (n, true);
825 } else {
826 // cerr << "\tdata is not ready\n";
827 // we'll get a PeaksReady signal from the source in the future
828 // and will call create_one_wave(n) then.
829 }
830
831 } else {
832 // cerr << "\tdon't delay, display today!\n";
833 create_one_wave (n, true);
834 }
835
836 }
837 }
838
839 void
840 AudioRegionView::create_one_wave (uint32_t which, bool direct)
841 {
842 //cerr << "AudioRegionView::create_one_wave() called which: " << which << " this: " << this << endl;//DEBUG
843 RouteTimeAxisView& atv (*(dynamic_cast<RouteTimeAxisView*>(&trackview))); // ick
844 uint32_t nchans = atv.get_diskstream()->n_channels();
845 uint32_t n;
846 uint32_t nwaves = std::min (nchans, audio_region()->n_channels());
847 gdouble ht;
848
849 if (trackview.current_height() < NAME_HIGHLIGHT_THRESH) {
850 ht = ((trackview.current_height()) / (double) nchans);
851 } else {
852 ht = ((trackview.current_height() - NAME_HIGHLIGHT_SIZE) / (double) nchans);
853 }
854
855 gdouble yoff = which * ht;
856
857 WaveView *wave = new WaveView(*group);
858
859 wave->property_data_src() = (gpointer) _region.get();
860 wave->property_cache() = wave_caches[which];
861 wave->property_cache_updater() = true;
862 wave->property_channel() = which;
863 wave->property_length_function() = (gpointer) region_length_from_c;
864 wave->property_sourcefile_length_function() = (gpointer) sourcefile_length_from_c;
865 wave->property_peak_function() = (gpointer) region_read_peaks_from_c;
866 wave->property_x() = 0.0;
867 wave->property_y() = yoff;
868 wave->property_height() = (double) ht;
869 wave->property_samples_per_unit() = samples_per_unit;
870 wave->property_amplitude_above_axis() = _amplitude_above_axis;
871
872 if (_recregion) {
873 wave->property_wave_color() = _region->muted() ? UINT_RGBA_CHANGE_A(ARDOUR_UI::config()->canvasvar_RecWaveForm.get(), MUTED_ALPHA) : ARDOUR_UI::config()->canvasvar_RecWaveForm.get();
874 wave->property_fill_color() = ARDOUR_UI::config()->canvasvar_RecWaveFormFill.get();
875 } else {
876 wave->property_wave_color() = _region->muted() ? UINT_RGBA_CHANGE_A(ARDOUR_UI::config()->canvasvar_WaveForm.get(), MUTED_ALPHA) : ARDOUR_UI::config()->canvasvar_WaveForm.get();
877 wave->property_fill_color() = ARDOUR_UI::config()->canvasvar_WaveFormFill.get();
878 }
879
880 wave->property_clip_color() = ARDOUR_UI::config()->canvasvar_WaveFormClip.get();
881 wave->property_zero_color() = ARDOUR_UI::config()->canvasvar_ZeroLine.get();
882 wave->property_region_start() = _region->start();
883 wave->property_rectified() = (bool) (_flags & WaveformRectified);
884 wave->property_logscaled() = (bool) (_flags & WaveformLogScaled);
885
886 if (!(_flags & WaveformVisible)) {
887 wave->hide();
888 }
889
890 /* note: calling this function is serialized by the lock
891 held in the peak building thread that signals that
892 peaks are ready for use *or* by the fact that it is
893 called one by one from the GUI thread.
894 */
895
896 if (which < nchans) {
897 tmp_waves[which] = wave;
898 } else {
899 /* n-channel track, >n-channel source */
900 }
901
902 /* see if we're all ready */
903
904 for (n = 0; n < nchans; ++n) {
905 if (tmp_waves[n] == 0) {
906 break;
907 }
908 }
909
910 if (n == nwaves && waves.empty()) {
911 /* all waves are ready */
912 tmp_waves.resize(nwaves);
913
914 waves = tmp_waves;
915 tmp_waves.clear ();
916
917 /* all waves created, don't hook into peaks ready anymore */
918 data_ready_connection.disconnect ();
919
920 if (!zero_line) {
921 zero_line = new ArdourCanvas::SimpleLine (*group);
922 zero_line->property_x1() = (gdouble) 1.0;
923 zero_line->property_x2() = (gdouble) (_region->length() / samples_per_unit) - 1.0;
924 zero_line->property_color_rgba() = (guint) ARDOUR_UI::config()->canvasvar_ZeroLine.get();
925 manage_zero_line ();
926 }
927 }
928 }
929
930 void
931 AudioRegionView::peaks_ready_handler (uint32_t which)
932 {
933 Gtkmm2ext::UI::instance()->call_slot (bind (mem_fun(*this, &AudioRegionView::create_one_wave), which, false));
934 // cerr << "AudioRegionView::peaks_ready_handler() called on " << which << " this: " << this << endl;
935 }
936
937 void
938 AudioRegionView::add_gain_point_event (ArdourCanvas::Item *item, GdkEvent *ev)
939 {
940 if (gain_line == 0) {
941 return;
942 }
943
944 double x, y;
945
946 /* don't create points that can't be seen */
947
948 set_envelope_visible (true);
949
950 x = ev->button.x;
951 y = ev->button.y;
952
953 item->w2i (x, y);
954
955 nframes_t fx = trackview.editor.pixel_to_frame (x);
956
957 if (fx > _region->length()) {
958 return;
959 }
960
961 /* compute vertical fractional position */
962
963 y = 1.0 - (y / (trackview.current_height() - NAME_HIGHLIGHT_SIZE));
964
965 /* map using gain line */
966
967 gain_line->view_to_model_y (y);
968
969 trackview.session().begin_reversible_command (_("add gain control point"));
970 XMLNode &before = audio_region()->envelope().get_state();
971
972 if (!audio_region()->envelope_active()) {
973 XMLNode &region_before = audio_region()->get_state();
974 audio_region()->set_envelope_active(true);
975 XMLNode &region_after = audio_region()->get_state();
976 trackview.session().add_command (new MementoCommand<AudioRegion>(*(audio_region().get()), &region_before, &region_after));
977 }
978
979 audio_region()->envelope().add (fx, y);
980
981 XMLNode &after = audio_region()->envelope().get_state();
982 trackview.session().add_command (new MementoCommand<Curve>(audio_region()->envelope(), &before, &after));
983 trackview.session().commit_reversible_command ();
984 }
985
986 void
987 AudioRegionView::remove_gain_point_event (ArdourCanvas::Item *item, GdkEvent *ev)
988 {
989 ControlPoint *cp = reinterpret_cast<ControlPoint *> (item->get_data ("control_point"));
990 audio_region()->envelope().erase (cp->model);
991 }
992
993 void
994 AudioRegionView::store_flags()
995 {
996 XMLNode *node = new XMLNode ("GUI");
997
998 node->add_property ("waveform-visible", (_flags & WaveformVisible) ? "yes" : "no");
999 node->add_property ("envelope-visible", (_flags & EnvelopeVisible) ? "yes" : "no");
1000 node->add_property ("waveform-rectified", (_flags & WaveformRectified) ? "yes" : "no");
1001 node->add_property ("waveform-logscaled", (_flags & WaveformLogScaled) ? "yes" : "no");
1002
1003 _region->add_extra_xml (*node);
1004 }
1005
1006 void
1007 AudioRegionView::set_flags (XMLNode* node)
1008 {
1009 XMLProperty *prop;
1010
1011 if ((prop = node->property ("waveform-visible")) != 0) {
1012 if (string_is_affirmative (prop->value())) {
1013 _flags |= WaveformVisible;
1014 }
1015 }
1016
1017 if ((prop = node->property ("envelope-visible")) != 0) {
1018 if (string_is_affirmative (prop->value())) {
1019 _flags |= EnvelopeVisible;
1020 }
1021 }
1022
1023 if ((prop = node->property ("waveform-rectified")) != 0) {
1024 if (string_is_affirmative (prop->value())) {
1025 _flags |= WaveformRectified;
1026 }
1027 }
1028
1029 if ((prop = node->property ("waveform-logscaled")) != 0) {
1030 if (string_is_affirmative (prop->value())) {
1031 _flags |= WaveformLogScaled;
1032 }
1033 }
1034 }
1035
1036 void
1037 AudioRegionView::set_waveform_shape (WaveformShape shape)
1038 {
1039 bool yn;
1040
1041 /* this slightly odd approach is to leave the door open to
1042 other "shapes" such as spectral displays, etc.
1043 */
1044
1045 switch (shape) {
1046 case Rectified:
1047 yn = true;
1048 break;
1049
1050 default:
1051 yn = false;
1052 break;
1053 }
1054
1055 if (yn != (bool) (_flags & WaveformRectified)) {
1056 for (vector<WaveView *>::iterator wave = waves.begin(); wave != waves.end() ; ++wave) {
1057 (*wave)->property_rectified() = yn;
1058 }
1059
1060 if (zero_line) {
1061 if (yn) {
1062 zero_line->hide();
1063 } else {
1064 zero_line->show();
1065 }
1066 }
1067
1068 if (yn) {
1069 _flags |= WaveformRectified;
1070 } else {
1071 _flags &= ~WaveformRectified;
1072 }
1073 store_flags ();
1074 }
1075 }
1076
1077 void
1078 AudioRegionView::set_waveform_scale (WaveformScale scale)
1079 {
1080 bool yn = (scale == LogWaveform);
1081
1082 if (yn != (bool) (_flags & WaveformLogScaled)) {
1083 for (vector<WaveView *>::iterator wave = waves.begin(); wave != waves.end() ; ++wave) {
1084 (*wave)->property_logscaled() = yn;
1085 }
1086
1087 if (yn) {
1088 _flags |= WaveformLogScaled;
1089 } else {
1090 _flags &= ~WaveformLogScaled;
1091 }
1092 store_flags ();
1093 }
1094 }
1095
1096
1097 GhostRegion*
1098 AudioRegionView::add_ghost (AutomationTimeAxisView& atv)
1099 {
1100 RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*>(&trackview);
1101 assert(rtv);
1102
1103 double unit_position = _region->position () / samples_per_unit;
1104 GhostRegion* ghost = new GhostRegion (atv, unit_position);
1105 uint32_t nchans;
1106
1107 nchans = rtv->get_diskstream()->n_channels();
1108
1109 for (uint32_t n = 0; n < nchans; ++n) {
1110
1111 if (n >= audio_region()->n_channels()) {
1112 break;
1113 }
1114
1115 WaveView *wave = new WaveView(*ghost->group);
1116
1117 wave->property_data_src() = _region.get();
1118 wave->property_cache() = wave_caches[n];
1119 wave->property_cache_updater() = false;
1120 wave->property_channel() = n;
1121 wave->property_length_function() = (gpointer)region_length_from_c;
1122 wave->property_sourcefile_length_function() = (gpointer) sourcefile_length_from_c;
1123 wave->property_peak_function() = (gpointer) region_read_peaks_from_c;
1124 wave->property_x() = 0.0;
1125 wave->property_samples_per_unit() = samples_per_unit;
1126 wave->property_amplitude_above_axis() = _amplitude_above_axis;
1127 wave->property_wave_color() = ARDOUR_UI::config()->canvasvar_GhostTrackWave.get();
1128 wave->property_fill_color() = ARDOUR_UI::config()->canvasvar_GhostTrackWave.get();
1129 wave->property_clip_color() = ARDOUR_UI::config()->canvasvar_GhostTrackWaveClip.get();
1130 wave->property_zero_color() = ARDOUR_UI::config()->canvasvar_GhostTrackZeroLine.get();
1131 wave->property_region_start() = _region->start();
1132
1133 ghost->waves.push_back(wave);
1134 }
1135
1136 ghost->set_height ();
1137 ghost->set_duration (_region->length() / samples_per_unit);
1138 ghosts.push_back (ghost);
1139
1140 ghost->GoingAway.connect (mem_fun(*this, &AudioRegionView::remove_ghost));
1141
1142 return ghost;
1143 }
1144
1145 void
1146 AudioRegionView::entered ()
1147 {
1148 if (gain_line && _flags & EnvelopeVisible) {
1149 gain_line->show_all_control_points ();
1150 }
1151
1152 uint32_t r,g,b,a;
1153 UINT_TO_RGBA(fade_color,&r,&g,&b,&a);
1154 a=255;
1155
1156 if (fade_in_handle) {
1157 fade_in_handle->property_fill_color_rgba() = RGBA_TO_UINT(r,g,b,a);
1158 fade_out_handle->property_fill_color_rgba() = RGBA_TO_UINT(r,g,b,a);
1159 }
1160 }
1161
1162 void
1163 AudioRegionView::exited ()
1164 {
1165 if (gain_line) {
1166 gain_line->hide_all_but_selected_control_points ();
1167 }
1168
1169 uint32_t r,g,b,a;
1170 UINT_TO_RGBA(fade_color,&r,&g,&b,&a);
1171 a=0;
1172
1173 if (fade_in_handle) {
1174 fade_in_handle->property_fill_color_rgba() = RGBA_TO_UINT(r,g,b,a);
1175 fade_out_handle->property_fill_color_rgba() = RGBA_TO_UINT(r,g,b,a);
1176 }
1177 }
1178
1179 void
1180 AudioRegionView::envelope_active_changed ()
1181 {
1182 if (gain_line) {
1183 gain_line->set_line_color (audio_region()->envelope_active() ? ARDOUR_UI::config()->canvasvar_GainLine.get() : ARDOUR_UI::config()->canvasvar_GainLineInactive.get());
1184 }
1185 }
1186
1187 void
1188 AudioRegionView::set_waveview_data_src()
1189 {
1190
1191 double unit_length= _region->length() / samples_per_unit;
1192
1193 for (uint32_t n = 0; n < waves.size(); ++n) {
1194 // TODO: something else to let it know the channel
1195 waves[n]->property_data_src() = _region.get();
1196 }
1197
1198 for (vector<GhostRegion*>::iterator i = ghosts.begin(); i != ghosts.end(); ++i) {
1199
1200 (*i)->set_duration (unit_length);
1201
1202 for (vector<WaveView*>::iterator w = (*i)->waves.begin(); w != (*i)->waves.end(); ++w) {
1203 (*w)->property_data_src() = _region.get();
1204 }
1205 }
1206
1207 }
1208
1209 void
1210 AudioRegionView::color_handler ()
1211 {
1212 set_colors ();
1213 envelope_active_changed();
1214 }
1215
1216 void
1217 AudioRegionView::set_frame_color ()
1218 {
1219 if (!frame) {
1220 return;
1221 }
1222
1223 if (_region->opaque()) {
1224 fill_opacity = 130;
1225 } else {
1226 fill_opacity = 0;
1227 }
1228
1229 uint32_t r,g,b,a;
1230
1231 if (_selected && should_show_selection) {
1232 UINT_TO_RGBA(ARDOUR_UI::config()->canvasvar_SelectedFrameBase.get(), &r, &g, &b, &a);
1233 frame->property_fill_color_rgba() = RGBA_TO_UINT(r, g, b, fill_opacity ? fill_opacity : a);
1234
1235 for (vector<ArdourCanvas::WaveView*>::iterator w = waves.begin(); w != waves.end(); ++w) {
1236 if (_region->muted()) {
1237 (*w)->property_wave_color() = UINT_RGBA_CHANGE_A(ARDOUR_UI::config()->canvasvar_SelectedWaveForm.get(), MUTED_ALPHA);
1238 } else {
1239 (*w)->property_wave_color() = ARDOUR_UI::config()->canvasvar_SelectedWaveForm.get();
1240 (*w)->property_fill_color() = ARDOUR_UI::config()->canvasvar_SelectedWaveFormFill.get();
1241 }
1242 }
1243 } else {
1244 if (_recregion) {
1245 UINT_TO_RGBA(ARDOUR_UI::config()->canvasvar_RecordingRect.get(), &r, &g, &b, &a);
1246 frame->property_fill_color_rgba() = RGBA_TO_UINT(r, g, b, a);
1247
1248 for (vector<ArdourCanvas::WaveView*>::iterator w = waves.begin(); w != waves.end(); ++w) {
1249 if (_region->muted()) {
1250 (*w)->property_wave_color() = UINT_RGBA_CHANGE_A(ARDOUR_UI::config()->canvasvar_RecWaveForm.get(), MUTED_ALPHA);
1251 } else {
1252 (*w)->property_wave_color() = ARDOUR_UI::config()->canvasvar_RecWaveForm.get();
1253 (*w)->property_fill_color() = ARDOUR_UI::config()->canvasvar_RecWaveFormFill.get();
1254 }
1255 }
1256 } else {
1257 UINT_TO_RGBA(ARDOUR_UI::config()->canvasvar_FrameBase.get(), &r, &g, &b, &a);
1258 frame->property_fill_color_rgba() = RGBA_TO_UINT(r, g, b, fill_opacity ? fill_opacity : a);
1259
1260 for (vector<ArdourCanvas::WaveView*>::iterator w = waves.begin(); w != waves.end(); ++w) {
1261 if (_region->muted()) {
1262 (*w)->property_wave_color() = UINT_RGBA_CHANGE_A(ARDOUR_UI::config()->canvasvar_WaveForm.get(), MUTED_ALPHA);
1263 } else {
1264 (*w)->property_wave_color() = ARDOUR_UI::config()->canvasvar_WaveForm.get();
1265 (*w)->property_fill_color() = ARDOUR_UI::config()->canvasvar_WaveFormFill.get();
1266 }
1267 }
1268 }
1269 }
1270 }
1271
1272 void
1273 AudioRegionView::set_fade_visibility (bool yn)
1274 {
1275 if (yn) {
1276 if (fade_in_shape) {
1277 fade_in_shape->show();
1278 }
1279 if (fade_out_shape) {
1280 fade_out_shape->show ();
1281 }
1282 if (fade_in_handle) {
1283 fade_in_handle->show ();
1284 }
1285 if (fade_out_handle) {
1286 fade_out_handle->show ();
1287 }
1288 } else {
1289 if (fade_in_shape) {
1290 fade_in_shape->hide();
1291 }
1292 if (fade_out_shape) {
1293 fade_out_shape->hide ();
1294 }
1295 if (fade_in_handle) {
1296 fade_in_handle->hide ();
1297 }
1298 if (fade_out_handle) {
1299 fade_out_handle->hide ();
1300 }
1301 }
1302 }
Digital Audio Workstation