2 Copyright (C) 2001-2006 Paul Davis
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.
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.
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.
24 #include <boost/scoped_array.hpp>
28 #include <gtkmm2ext/gtk_ui.h>
30 #include "ardour/playlist.h"
31 #include "ardour/audioregion.h"
32 #include "ardour/audiosource.h"
33 #include "ardour/profile.h"
34 #include "ardour/session.h"
36 #include "pbd/memento_command.h"
37 #include "pbd/stacktrace.h"
39 #include "evoral/Curve.hpp"
41 #include "canvas/rectangle.h"
42 #include "canvas/polygon.h"
43 #include "canvas/poly_line.h"
44 #include "canvas/line.h"
45 #include "canvas/text.h"
46 #include "canvas/xfade_curve.h"
47 #include "canvas/debug.h"
48 #include "canvas/utils.h"
49 #include "canvas/colors.h"
51 #include "streamview.h"
52 #include "audio_region_view.h"
53 #include "audio_time_axis.h"
54 #include "public_editor.h"
55 #include "audio_region_editor.h"
56 #include "audio_streamview.h"
57 #include "region_gain_line.h"
58 #include "control_point.h"
59 #include "ghostregion.h"
60 #include "audio_time_axis.h"
61 #include "rgb_macros.h"
62 #include "gui_thread.h"
63 #include "ardour_ui.h"
67 #define MUTED_ALPHA 48
70 using namespace ARDOUR;
72 using namespace Editing;
73 using namespace ArdourCanvas;
75 static double const handle_size = 10; /* height of fade handles */
77 AudioRegionView::AudioRegionView (ArdourCanvas::Container *parent, RouteTimeAxisView &tv, boost::shared_ptr<AudioRegion> r, double spu,
79 : RegionView (parent, tv, r, spu, basic_color)
83 , fade_in_trim_handle(0)
84 , fade_out_trim_handle(0)
85 , start_xfade_curve (0)
86 , start_xfade_rect (0)
87 , _start_xfade_visible (false)
90 , _end_xfade_visible (false)
91 , _amplitude_above_axis(1.0)
92 , trim_fade_in_drag_active(false)
93 , trim_fade_out_drag_active(false)
95 ARDOUR_UI::config()->ParameterChanged.connect (sigc::mem_fun (*this, &AudioRegionView::parameter_changed));
98 AudioRegionView::AudioRegionView (ArdourCanvas::Container *parent, RouteTimeAxisView &tv, boost::shared_ptr<AudioRegion> r, double spu,
99 uint32_t basic_color, bool recording, TimeAxisViewItem::Visibility visibility)
100 : RegionView (parent, tv, r, spu, basic_color, recording, visibility)
104 , fade_in_trim_handle(0)
105 , fade_out_trim_handle(0)
106 , start_xfade_curve (0)
107 , start_xfade_rect (0)
108 , _start_xfade_visible (false)
109 , end_xfade_curve (0)
111 , _end_xfade_visible (false)
112 , _amplitude_above_axis(1.0)
113 , trim_fade_in_drag_active(false)
114 , trim_fade_out_drag_active(false)
116 ARDOUR_UI::config()->ParameterChanged.connect (sigc::mem_fun (*this, &AudioRegionView::parameter_changed));
119 AudioRegionView::AudioRegionView (const AudioRegionView& other, boost::shared_ptr<AudioRegion> other_region)
120 : RegionView (other, boost::shared_ptr<Region> (other_region))
123 , fade_in_trim_handle(0)
124 , fade_out_trim_handle(0)
125 , start_xfade_curve (0)
126 , start_xfade_rect (0)
127 , _start_xfade_visible (false)
128 , end_xfade_curve (0)
130 , _end_xfade_visible (false)
131 , _amplitude_above_axis (other._amplitude_above_axis)
132 , trim_fade_in_drag_active(false)
133 , trim_fade_out_drag_active(false)
137 ARDOUR_UI::config()->ParameterChanged.connect (sigc::mem_fun (*this, &AudioRegionView::parameter_changed));
141 AudioRegionView::init (bool wfd)
143 // FIXME: Some redundancy here with RegionView::init. Need to figure out
144 // where order is important and where it isn't...
146 RegionView::init (wfd);
148 _amplitude_above_axis = 1.0;
153 fade_in_handle = new ArdourCanvas::Rectangle (group);
154 CANVAS_DEBUG_NAME (fade_in_handle, string_compose ("fade in handle for %1", region()->name()));
155 fade_in_handle->set_outline_color (ArdourCanvas::rgba_to_color (0, 0, 0, 1.0));
156 fade_in_handle->set_fill_color (ARDOUR_UI::config()->color ("inactive fade handle"));
157 fade_in_handle->set_data ("regionview", this);
158 fade_in_handle->hide ();
160 fade_out_handle = new ArdourCanvas::Rectangle (group);
161 CANVAS_DEBUG_NAME (fade_out_handle, string_compose ("fade out handle for %1", region()->name()));
162 fade_out_handle->set_outline_color (ArdourCanvas::rgba_to_color (0, 0, 0, 1.0));
163 fade_out_handle->set_fill_color (ARDOUR_UI::config()->color ("inactive fade handle"));
164 fade_out_handle->set_data ("regionview", this);
165 fade_out_handle->hide ();
167 fade_in_trim_handle = new ArdourCanvas::Rectangle (group);
168 CANVAS_DEBUG_NAME (fade_in_handle, string_compose ("fade in trim handle for %1", region()->name()));
169 fade_in_trim_handle->set_outline_color (ArdourCanvas::rgba_to_color (0, 0, 0, 1.0));
170 fade_in_trim_handle->set_fill_color (ARDOUR_UI::config()->color ("inactive fade handle"));
171 fade_in_trim_handle->set_data ("regionview", this);
172 fade_in_trim_handle->hide ();
174 fade_out_trim_handle = new ArdourCanvas::Rectangle (group);
175 CANVAS_DEBUG_NAME (fade_out_handle, string_compose ("fade out trim handle for %1", region()->name()));
176 fade_out_trim_handle->set_outline_color (ArdourCanvas::rgba_to_color (0, 0, 0, 1.0));
177 fade_out_trim_handle->set_fill_color (ARDOUR_UI::config()->color ("inactive fade handle"));
178 fade_out_trim_handle->set_data ("regionview", this);
179 fade_out_trim_handle->hide ();
182 setup_fade_handle_positions ();
184 if (!trackview.session()->config.get_show_region_fades()) {
185 set_fade_visibility (false);
188 const string line_name = _region->name() + ":gain";
190 if (!Profile->get_sae()) {
191 gain_line.reset (new AudioRegionGainLine (line_name, *this, *group, audio_region()->envelope()));
194 update_envelope_visibility ();
197 set_height (trackview.current_height());
200 region_sync_changed ();
202 region_resized (ARDOUR::bounds_change);
204 for (vector<GhostRegion*>::iterator i = ghosts.begin(); i != ghosts.end(); ++i) {
205 (*i)->set_duration (_region->length() / samples_per_pixel);
209 envelope_active_changed ();
210 fade_in_active_changed ();
211 fade_out_active_changed ();
213 reset_width_dependent_items (_pixel_width);
215 if (fade_in_handle) {
216 fade_in_handle->Event.connect (sigc::bind (sigc::mem_fun (PublicEditor::instance(), &PublicEditor::canvas_fade_in_handle_event), fade_in_handle, this, false));
219 if (fade_out_handle) {
220 fade_out_handle->Event.connect (sigc::bind (sigc::mem_fun (PublicEditor::instance(), &PublicEditor::canvas_fade_out_handle_event), fade_out_handle, this, false));
223 if (fade_in_trim_handle) {
224 fade_in_trim_handle->Event.connect (sigc::bind (sigc::mem_fun (PublicEditor::instance(), &PublicEditor::canvas_fade_in_handle_event), fade_in_trim_handle, this, true));
227 if (fade_out_trim_handle) {
228 fade_out_trim_handle->Event.connect (sigc::bind (sigc::mem_fun (PublicEditor::instance(), &PublicEditor::canvas_fade_out_handle_event), fade_out_trim_handle, this, true));
233 setup_waveform_visibility ();
235 if (frame_handle_start) {
236 frame_handle_start->raise_to_top ();
238 if (frame_handle_end) {
239 frame_handle_end->raise_to_top ();
242 /* XXX sync mark drag? */
245 AudioRegionView::~AudioRegionView ()
247 in_destructor = true;
249 RegionViewGoingAway (this); /* EMIT_SIGNAL */
251 for (vector<ScopedConnection*>::iterator i = _data_ready_connections.begin(); i != _data_ready_connections.end(); ++i) {
254 _data_ready_connections.clear ();
256 for (list<std::pair<framepos_t, ArdourCanvas::Line*> >::iterator i = feature_lines.begin(); i != feature_lines.end(); ++i) {
257 delete ((*i).second);
260 /* all waveviews etc will be destroyed when the group is destroyed */
263 boost::shared_ptr<ARDOUR::AudioRegion>
264 AudioRegionView::audio_region() const
266 // "Guaranteed" to succeed...
267 return boost::dynamic_pointer_cast<AudioRegion>(_region);
271 AudioRegionView::region_changed (const PropertyChange& what_changed)
273 ENSURE_GUI_THREAD (*this, &AudioRegionView::region_changed, what_changed);
275 RegionView::region_changed (what_changed);
277 if (what_changed.contains (ARDOUR::Properties::scale_amplitude)) {
278 region_scale_amplitude_changed ();
280 if (what_changed.contains (ARDOUR::Properties::fade_in)) {
283 if (what_changed.contains (ARDOUR::Properties::fade_out)) {
286 if (what_changed.contains (ARDOUR::Properties::fade_in_active)) {
287 fade_in_active_changed ();
289 if (what_changed.contains (ARDOUR::Properties::fade_out_active)) {
290 fade_out_active_changed ();
292 if (what_changed.contains (ARDOUR::Properties::envelope_active)) {
293 envelope_active_changed ();
295 if (what_changed.contains (ARDOUR::Properties::valid_transients)) {
296 transients_changed ();
301 AudioRegionView::fade_in_changed ()
303 reset_fade_in_shape ();
307 AudioRegionView::fade_out_changed ()
309 reset_fade_out_shape ();
313 AudioRegionView::fade_in_active_changed ()
315 if (start_xfade_rect) {
316 if (audio_region()->fade_in_active()) {
317 start_xfade_rect->set_fill (false);
319 start_xfade_rect->set_fill_color (ARDOUR_UI::config()->color_mod ("inactive crossfade", "inactive crossfade"));
320 start_xfade_rect->set_fill (true);
326 AudioRegionView::fade_out_active_changed ()
328 if (end_xfade_rect) {
329 if (audio_region()->fade_out_active()) {
330 end_xfade_rect->set_fill (false);
332 end_xfade_rect->set_fill_color (ARDOUR_UI::config()->color_mod ("inactive crossfade", "inactive crossfade"));
333 end_xfade_rect->set_fill (true);
340 AudioRegionView::region_scale_amplitude_changed ()
342 for (uint32_t n = 0; n < waves.size(); ++n) {
343 waves[n]->gain_changed ();
348 AudioRegionView::region_renamed ()
350 std::string str = RegionView::make_name ();
352 if (audio_region()->speed_mismatch (trackview.session()->frame_rate())) {
353 str = string ("*") + str;
356 if (_region->muted()) {
357 str = string ("!") + str;
360 set_item_name (str, this);
365 AudioRegionView::region_resized (const PropertyChange& what_changed)
367 AudioGhostRegion* agr;
369 RegionView::region_resized(what_changed);
370 PropertyChange interesting_stuff;
372 interesting_stuff.add (ARDOUR::Properties::start);
373 interesting_stuff.add (ARDOUR::Properties::length);
375 if (what_changed.contains (interesting_stuff)) {
377 for (uint32_t n = 0; n < waves.size(); ++n) {
378 waves[n]->region_resized ();
381 for (vector<GhostRegion*>::iterator i = ghosts.begin(); i != ghosts.end(); ++i) {
382 if ((agr = dynamic_cast<AudioGhostRegion*>(*i)) != 0) {
384 for (vector<WaveView*>::iterator w = agr->waves.begin(); w != agr->waves.end(); ++w) {
385 (*w)->region_resized ();
390 /* hide transient lines that extend beyond the region end */
392 list<std::pair<framepos_t, ArdourCanvas::Line*> >::iterator l;
394 for (l = feature_lines.begin(); l != feature_lines.end(); ++l) {
395 if (l->first > _region->length() - 1) {
405 AudioRegionView::reset_width_dependent_items (double pixel_width)
407 RegionView::reset_width_dependent_items(pixel_width);
408 assert(_pixel_width == pixel_width);
410 if (pixel_width <= 20.0 || _height < 5.0 || !trackview.session()->config.get_show_region_fades()) {
411 if (fade_in_handle) { fade_in_handle->hide(); }
412 if (fade_out_handle) { fade_out_handle->hide(); }
413 if (fade_in_trim_handle) { fade_in_trim_handle->hide(); }
414 if (fade_out_trim_handle) { fade_out_trim_handle->hide(); }
415 if (start_xfade_rect) { start_xfade_rect->set_outline (false); }
416 if (end_xfade_rect) { end_xfade_rect->set_outline (false); }
419 AnalysisFeatureList analysis_features = _region->transients();
420 AnalysisFeatureList::const_iterator i;
422 list<std::pair<framepos_t, ArdourCanvas::Line*> >::iterator l;
424 for (i = analysis_features.begin(), l = feature_lines.begin(); i != analysis_features.end() && l != feature_lines.end(); ++i, ++l) {
426 float x_pos = trackview.editor().sample_to_pixel (*i);
428 (*l).second->set (ArdourCanvas::Duple (x_pos, 2.0),
429 ArdourCanvas::Duple (x_pos, _height - TimeAxisViewItem::NAME_HIGHLIGHT_SIZE - 1));
433 (*l).second->set (ArdourCanvas::Duple (x_pos, 2.0),
434 ArdourCanvas::Duple (x_pos, _height - TimeAxisViewItem::NAME_HIGHLIGHT_SIZE - 1));
437 reset_fade_shapes ();
441 AudioRegionView::region_muted ()
443 RegionView::region_muted();
444 set_waveform_colors ();
448 AudioRegionView::setup_fade_handle_positions()
450 /* position of fade handle offset from the top of the region view */
451 double const handle_pos = 0.0;
453 if (fade_in_handle) {
454 fade_in_handle->set_y0 (handle_pos);
455 fade_in_handle->set_y1 (handle_pos + handle_size);
458 if (fade_out_handle) {
459 fade_out_handle->set_y0 (handle_pos);
460 fade_out_handle->set_y1 (handle_pos + handle_size);
463 if (fade_in_trim_handle) {
464 fade_in_trim_handle->set_y0 (_height - handle_size);
465 fade_in_trim_handle->set_y1 (_height);
468 if (fade_out_trim_handle) {
469 fade_out_trim_handle->set_y0 (_height - handle_size );
470 fade_out_trim_handle->set_y1 (_height);
475 AudioRegionView::set_height (gdouble height)
477 RegionView::set_height (height);
479 uint32_t wcnt = waves.size();
485 if (!ARDOUR_UI::config()->get_show_name_highlight() || (height < NAME_HIGHLIGHT_THRESH)) {
486 ht = height / (double) wcnt;
488 ht = (height - NAME_HIGHLIGHT_SIZE) / (double) wcnt;
491 for (uint32_t n = 0; n < wcnt; ++n) {
493 gdouble yoff = floor (ht * n);
495 waves[n]->set_height (ht);
496 waves[n]->set_y_position (yoff);
502 if ((height/wcnt) < NAME_HIGHLIGHT_THRESH) {
505 update_envelope_visibility ();
508 gain_line->set_height ((uint32_t) rint (height - NAME_HIGHLIGHT_SIZE) - 2);
511 reset_fade_shapes ();
513 /* Update hights for any active feature lines */
514 list<std::pair<framepos_t, ArdourCanvas::Line*> >::iterator l;
516 for (l = feature_lines.begin(); l != feature_lines.end(); ++l) {
518 float pos_x = trackview.editor().sample_to_pixel((*l).first);
520 if (height >= NAME_HIGHLIGHT_THRESH) {
521 (*l).second->set (ArdourCanvas::Duple (pos_x, 2.0),
522 ArdourCanvas::Duple (pos_x, _height - TimeAxisViewItem::NAME_HIGHLIGHT_SIZE - 1));
524 (*l).second->set (ArdourCanvas::Duple (pos_x, 2.0),
525 ArdourCanvas::Duple (pos_x, _height - 1));
530 name_text->raise_to_top();
533 setup_fade_handle_positions();
537 AudioRegionView::reset_fade_shapes ()
539 if (!trim_fade_in_drag_active) { reset_fade_in_shape (); }
540 if (!trim_fade_out_drag_active) { reset_fade_out_shape (); }
544 AudioRegionView::reset_fade_in_shape ()
546 reset_fade_in_shape_width (audio_region(), (framecnt_t) audio_region()->fade_in()->back()->when);
550 AudioRegionView::reset_fade_in_shape_width (boost::shared_ptr<AudioRegion> ar, framecnt_t width, bool drag_active)
552 trim_fade_in_drag_active = drag_active;
553 if (fade_in_handle == 0) {
557 /* smallest size for a fade is 64 frames */
559 width = std::max ((framecnt_t) 64, width);
561 /* round here to prevent little visual glitches with sub-pixel placement */
562 double const pwidth = floor (width / samples_per_pixel);
563 double const handle_left = pwidth;
565 /* Put the fade in handle so that its left side is at the end-of-fade line */
566 fade_in_handle->set_x0 (handle_left);
567 fade_in_handle->set_x1 (handle_left + handle_size);
569 if (fade_in_trim_handle) {
570 fade_in_trim_handle->set_x0 (0);
571 fade_in_trim_handle->set_x1 (handle_size);
574 if (fade_in_handle->visible()) {
575 //see comment for drag_start
584 if (!trackview.session()->config.get_show_region_fades()) {
589 double effective_height;
591 if (_height >= NAME_HIGHLIGHT_THRESH) {
592 effective_height = _height - NAME_HIGHLIGHT_SIZE;
594 effective_height = _height;
597 /* points *MUST* be in anti-clockwise order */
600 Points::size_type pi;
601 boost::shared_ptr<const Evoral::ControlList> list (audio_region()->fade_in());
602 Evoral::ControlList::const_iterator x;
603 double length = list->length();
605 points.assign (list->size(), Duple());
607 for (x = list->begin(), pi = 0; x != list->end(); ++x, ++pi) {
608 points[pi].x = (pwidth * ((*x)->when/length));
609 points[pi].y = effective_height - ((*x)->value * (effective_height - 1.));
614 redraw_start_xfade_to (ar, width, points, effective_height, handle_left);
616 /* ensure trim handle stays on top */
617 if (frame_handle_start) {
618 frame_handle_start->raise_to_top();
623 AudioRegionView::reset_fade_out_shape ()
625 reset_fade_out_shape_width (audio_region(), (framecnt_t) audio_region()->fade_out()->back()->when);
629 AudioRegionView::reset_fade_out_shape_width (boost::shared_ptr<AudioRegion> ar, framecnt_t width, bool drag_active)
631 trim_fade_out_drag_active = drag_active;
632 if (fade_out_handle == 0) {
636 /* smallest size for a fade is 64 frames */
638 width = std::max ((framecnt_t) 64, width);
641 double const pwidth = floor(trackview.editor().sample_to_pixel (width));
643 /* the right edge should be right on the region frame is the pixel
644 * width is zero. Hence the additional + 1.0 at the end.
647 double const handle_right = rint(trackview.editor().sample_to_pixel (_region->length()) - pwidth);
648 double const trim_handle_right = rint(trackview.editor().sample_to_pixel (_region->length()));
650 /* Put the fade out handle so that its right side is at the end-of-fade line;
652 fade_out_handle->set_x0 (handle_right - handle_size);
653 fade_out_handle->set_x1 (handle_right);
654 if (fade_out_trim_handle) {
655 fade_out_trim_handle->set_x0 (1 + trim_handle_right - handle_size);
656 fade_out_trim_handle->set_x1 (1 + trim_handle_right);
659 if (fade_out_handle->visible()) {
660 //see comment for drag_start
663 /* don't show shape if its too small */
670 if (!trackview.session()->config.get_show_region_fades()) {
675 double effective_height;
677 effective_height = _height;
679 if (ARDOUR_UI::config()->get_show_name_highlight() && effective_height >= NAME_HIGHLIGHT_THRESH) {
680 effective_height -= NAME_HIGHLIGHT_SIZE;
683 /* points *MUST* be in anti-clockwise order */
686 Points::size_type pi;
687 boost::shared_ptr<const Evoral::ControlList> list (audio_region()->fade_out());
688 Evoral::ControlList::const_iterator x;
689 double length = list->length();
691 points.assign (list->size(), Duple());
693 for (x = list->begin(), pi = 0; x != list->end(); ++x, ++pi) {
694 points[pi].x = _pixel_width - pwidth + (pwidth * ((*x)->when/length));
695 points[pi].y = effective_height - ((*x)->value * (effective_height - 1.));
700 redraw_end_xfade_to (ar, width, points, effective_height, handle_right, pwidth);
702 /* ensure trim handle stays on top */
703 if (frame_handle_end) {
704 frame_handle_end->raise_to_top();
709 AudioRegionView::get_fade_in_shape_width ()
711 return audio_region()->fade_in()->back()->when;
715 AudioRegionView::get_fade_out_shape_width ()
717 return audio_region()->fade_out()->back()->when;
722 AudioRegionView::redraw_start_xfade ()
724 boost::shared_ptr<AudioRegion> ar (audio_region());
726 if (!ar->fade_in() || ar->fade_in()->empty()) {
731 reset_fade_in_shape_width (ar, ar->fade_in()->back()->when);
735 AudioRegionView::redraw_start_xfade_to (boost::shared_ptr<AudioRegion> ar, framecnt_t /*width*/, Points& points, double effective_height,
738 if (points.size() < 2) {
742 if (!start_xfade_curve) {
743 start_xfade_curve = new ArdourCanvas::XFadeCurve (group, ArdourCanvas::XFadeCurve::Start);
744 CANVAS_DEBUG_NAME (start_xfade_curve, string_compose ("xfade start out line for %1", region()->name()));
745 start_xfade_curve->set_fill_color (ARDOUR_UI::config()->color_mod ("active crossfade", "crossfade alpha"));
746 start_xfade_curve->set_outline_color (ARDOUR_UI::config()->color ("crossfade line"));
747 start_xfade_curve->set_ignore_events (true);
749 if (!start_xfade_rect) {
750 start_xfade_rect = new ArdourCanvas::Rectangle (group);
751 CANVAS_DEBUG_NAME (start_xfade_rect, string_compose ("xfade start rect for %1", region()->name()));
752 start_xfade_rect->set_outline_color (ARDOUR_UI::config()->color ("crossfade line"));
753 start_xfade_rect->set_fill (false);
754 start_xfade_rect->set_outline (false);
755 start_xfade_rect->Event.connect (sigc::bind (sigc::mem_fun (PublicEditor::instance(), &PublicEditor::canvas_start_xfade_event), start_xfade_rect, this));
756 start_xfade_rect->set_data ("regionview", this);
759 start_xfade_rect->set (ArdourCanvas::Rect (0.0, 0.0, rect_width, effective_height));
763 boost::shared_ptr<AutomationList> inverse = ar->inverse_fade_in ();
765 Points::size_type npoints;
769 /* there is no explicit inverse fade in curve, so take the
770 * regular fade in curve given to use as "points" (already a
771 * set of coordinates), and convert to the inverse shape.
774 npoints = points.size();
775 ipoints.assign (npoints, Duple());
777 for (Points::size_type i = 0, pci = 0; i < npoints; ++i, ++pci) {
778 ArdourCanvas::Duple &p (ipoints[pci]);
779 /* leave x-axis alone but invert with respect to y-axis */
780 p.y = effective_height - points[pci].y;
785 /* there is an explicit inverse fade in curve. Grab the points
786 and convert them into coordinates for the inverse fade in
790 npoints = inverse->size();
791 ipoints.assign (npoints, Duple());
793 Evoral::ControlList::const_iterator x;
794 Points::size_type pi;
795 double length = inverse->length();
797 for (x = inverse->begin(), pi = 0; x != inverse->end(); ++x, ++pi) {
798 ArdourCanvas::Duple& p (ipoints[pi]);
799 p.x = (rect_width * ((*x)->when/length));
800 p.y = effective_height - ((*x)->value * (effective_height));
804 start_xfade_curve->set_inout (points, ipoints);
810 AudioRegionView::redraw_end_xfade ()
812 boost::shared_ptr<AudioRegion> ar (audio_region());
814 if (!ar->fade_out() || ar->fade_out()->empty()) {
820 reset_fade_out_shape_width (ar, ar->fade_out()->back()->when);
824 AudioRegionView::redraw_end_xfade_to (boost::shared_ptr<AudioRegion> ar, framecnt_t width, Points& points, double effective_height,
825 double rect_edge, double rect_width)
827 if (points.size() < 2) {
831 if (!end_xfade_curve) {
832 end_xfade_curve = new ArdourCanvas::XFadeCurve (group, ArdourCanvas::XFadeCurve::End);
833 CANVAS_DEBUG_NAME (end_xfade_curve, string_compose ("xfade end out line for %1", region()->name()));
834 end_xfade_curve->set_fill_color (ARDOUR_UI::config()->color_mod ("active crossfade", "crossfade alpha"));
835 end_xfade_curve->set_outline_color (ARDOUR_UI::config()->color ("crossfade line"));
836 end_xfade_curve->set_ignore_events (true);
839 if (!end_xfade_rect) {
840 end_xfade_rect = new ArdourCanvas::Rectangle (group);
841 CANVAS_DEBUG_NAME (end_xfade_rect, string_compose ("xfade end rect for %1", region()->name()));
842 end_xfade_rect->set_outline_color (ARDOUR_UI::config()->color ("crossfade line"));
843 end_xfade_rect->set_fill (false);
844 end_xfade_rect->set_outline (false);
845 end_xfade_rect->Event.connect (sigc::bind (sigc::mem_fun (PublicEditor::instance(), &PublicEditor::canvas_end_xfade_event), end_xfade_rect, this));
846 end_xfade_rect->set_data ("regionview", this);
849 end_xfade_rect->set (ArdourCanvas::Rect (rect_edge, 0.0, rect_edge + rect_width, effective_height));
853 boost::shared_ptr<AutomationList> inverse = ar->inverse_fade_out ();
855 Points::size_type npoints;
859 /* there is no explicit inverse fade out curve, so take the
860 * regular fade out curve given to use as "points" (already a
861 * set of coordinates), and convert to the inverse shape.
864 npoints = points.size();
865 ipoints.assign (npoints, Duple());
867 Points::size_type pci;
869 for (pci = 0; pci < npoints; ++pci) {
870 ArdourCanvas::Duple &p (ipoints[pci]);
871 p.y = effective_height - points[pci].y;
876 /* there is an explicit inverse fade out curve. Grab the points
877 and convert them into coordinates for the inverse fade out
881 npoints = inverse->size();
882 ipoints.assign (npoints, Duple());
884 const double rend = trackview.editor().sample_to_pixel (_region->length() - width);
886 Evoral::ControlList::const_iterator x;
887 Points::size_type pi;
888 double length = inverse->length();
890 for (x = inverse->begin(), pi = 0; x != inverse->end(); ++x, ++pi) {
891 ArdourCanvas::Duple& p (ipoints[pi]);
892 p.x = (rect_width * ((*x)->when/length)) + rend;
893 p.y = effective_height - ((*x)->value * (effective_height));
897 end_xfade_curve->set_inout (ipoints, points);
903 AudioRegionView::hide_xfades ()
910 AudioRegionView::hide_start_xfade ()
912 if (start_xfade_curve) {
913 start_xfade_curve->hide();
915 if (start_xfade_rect) {
916 start_xfade_rect->hide ();
919 _start_xfade_visible = false;
923 AudioRegionView::hide_end_xfade ()
925 if (end_xfade_curve) {
926 end_xfade_curve->hide();
928 if (end_xfade_rect) {
929 end_xfade_rect->hide ();
932 _end_xfade_visible = false;
936 AudioRegionView::show_start_xfade ()
938 if (start_xfade_curve) {
939 start_xfade_curve->show();
941 if (start_xfade_rect) {
942 start_xfade_rect->show ();
945 _start_xfade_visible = true;
949 AudioRegionView::show_end_xfade ()
951 if (end_xfade_curve) {
952 end_xfade_curve->show();
954 if (end_xfade_rect) {
955 end_xfade_rect->show ();
958 _end_xfade_visible = true;
962 AudioRegionView::set_samples_per_pixel (gdouble fpp)
964 RegionView::set_samples_per_pixel (fpp);
966 if (ARDOUR_UI::config()->get_show_waveforms ()) {
967 for (uint32_t n = 0; n < waves.size(); ++n) {
968 waves[n]->set_samples_per_pixel (fpp);
976 reset_fade_shapes ();
980 AudioRegionView::set_amplitude_above_axis (gdouble a)
982 for (uint32_t n=0; n < waves.size(); ++n) {
983 waves[n]->set_amplitude_above_axis (a);
988 AudioRegionView::set_colors ()
990 RegionView::set_colors();
993 gain_line->set_line_color (audio_region()->envelope_active() ?
994 ARDOUR_UI::config()->color ("gain line") :
995 ARDOUR_UI::config()->color_mod ("gain line inactive", "gain line inactive"));
998 set_waveform_colors ();
1000 if (start_xfade_curve) {
1001 start_xfade_curve->set_fill_color (ARDOUR_UI::config()->color_mod ("active crossfade", "crossfade alpha"));
1002 start_xfade_curve->set_outline_color (ARDOUR_UI::config()->color ("crossfade line"));
1004 if (end_xfade_curve) {
1005 end_xfade_curve->set_fill_color (ARDOUR_UI::config()->color_mod ("active crossfade", "crossfade alpha"));
1006 end_xfade_curve->set_outline_color (ARDOUR_UI::config()->color ("crossfade line"));
1009 if (start_xfade_rect) {
1010 start_xfade_rect->set_outline_color (ARDOUR_UI::config()->color ("crossfade line"));
1012 if (end_xfade_rect) {
1013 end_xfade_rect->set_outline_color (ARDOUR_UI::config()->color ("crossfade line"));
1018 AudioRegionView::setup_waveform_visibility ()
1020 if (ARDOUR_UI::config()->get_show_waveforms ()) {
1021 for (uint32_t n = 0; n < waves.size(); ++n) {
1022 /* make sure the zoom level is correct, since we don't update
1023 this when waveforms are hidden.
1026 // waves[n]->set_samples_per_pixel (_samples_per_pixel);
1030 for (uint32_t n = 0; n < waves.size(); ++n) {
1037 AudioRegionView::temporarily_hide_envelope ()
1045 AudioRegionView::unhide_envelope ()
1047 update_envelope_visibility ();
1051 AudioRegionView::update_envelope_visibility ()
1057 if (trackview.editor().current_mouse_mode() == Editing::MouseDraw || trackview.editor().current_mouse_mode() == Editing::MouseContent ) {
1058 gain_line->set_visibility (AutomationLine::VisibleAspects(AutomationLine::ControlPoints|AutomationLine::Line));
1059 gain_line->canvas_group().raise_to_top ();
1060 } else if (ARDOUR_UI::config()->get_show_region_gain() || trackview.editor().current_mouse_mode() == Editing::MouseRange ) {
1061 gain_line->set_visibility (AutomationLine::VisibleAspects(AutomationLine::Line));
1062 gain_line->canvas_group().raise_to_top ();
1064 gain_line->set_visibility (AutomationLine::VisibleAspects(0));
1069 AudioRegionView::create_waves ()
1071 // cerr << "AudioRegionView::create_waves() called on " << this << endl;//DEBUG
1072 RouteTimeAxisView& atv (*(dynamic_cast<RouteTimeAxisView*>(&trackview))); // ick
1078 ChanCount nchans = atv.track()->n_channels();
1080 // cerr << "creating waves for " << _region->name() << " with wfd = " << wait_for_data
1081 // << " and channels = " << nchans.n_audio() << endl;
1083 /* in tmp_waves, set up null pointers for each channel so the vector is allocated */
1084 for (uint32_t n = 0; n < nchans.n_audio(); ++n) {
1085 tmp_waves.push_back (0);
1088 for (vector<ScopedConnection*>::iterator i = _data_ready_connections.begin(); i != _data_ready_connections.end(); ++i) {
1092 _data_ready_connections.clear ();
1094 for (uint32_t i = 0; i < nchans.n_audio(); ++i) {
1095 _data_ready_connections.push_back (0);
1098 for (uint32_t n = 0; n < nchans.n_audio(); ++n) {
1100 if (n >= audio_region()->n_channels()) {
1104 // cerr << "\tchannel " << n << endl;
1106 if (wait_for_data) {
1107 if (audio_region()->audio_source(n)->peaks_ready (boost::bind (&AudioRegionView::peaks_ready_handler, this, n), &_data_ready_connections[n], gui_context())) {
1108 // cerr << "\tData is ready\n";
1109 create_one_wave (n, true);
1111 // cerr << "\tdata is not ready\n";
1112 // we'll get a PeaksReady signal from the source in the future
1113 // and will call create_one_wave(n) then.
1117 // cerr << "\tdon't delay, display today!\n";
1118 create_one_wave (n, true);
1125 AudioRegionView::create_one_wave (uint32_t which, bool /*direct*/)
1127 //cerr << "AudioRegionView::create_one_wave() called which: " << which << " this: " << this << endl;//DEBUG
1128 RouteTimeAxisView& atv (*(dynamic_cast<RouteTimeAxisView*>(&trackview))); // ick
1129 if (!trackview.session() || trackview.session()->deletion_in_progress () || !atv.track()) {
1130 /* peaks_ready_handler() may be called from peak_thread_work() while
1131 * session deletion is in progress.
1132 * Since session-unload happens in the GUI thread, we need to test
1137 uint32_t nchans = atv.track()->n_channels().n_audio();
1139 uint32_t nwaves = std::min (nchans, audio_region()->n_channels());
1142 /* reduce waveview height by 2.0 to account for our frame */
1144 if (trackview.current_height() < NAME_HIGHLIGHT_THRESH) {
1145 ht = ((trackview.current_height() - 2.0) / (double) nchans);
1147 ht = ((trackview.current_height() - NAME_HIGHLIGHT_SIZE - 2.0) / (double) nchans);
1150 /* first waveview starts at 1.0, not 0.0 since that will overlap the
1154 gdouble yoff = which * ht;
1156 WaveView *wave = new WaveView (group, audio_region ());
1157 CANVAS_DEBUG_NAME (wave, string_compose ("wave view for chn %1 of %2", which, get_item_name()));
1159 wave->set_channel (which);
1160 wave->set_y_position (yoff);
1161 wave->set_height (ht);
1162 wave->set_samples_per_pixel (samples_per_pixel);
1163 wave->set_show_zero_line (true);
1164 wave->set_clip_level (ARDOUR_UI::config()->get_waveform_clip_level ());
1165 wave->set_start_shift (1.0);
1167 wave->Event.connect (sigc::bind (sigc::mem_fun (PublicEditor::instance(), &PublicEditor::canvas_wave_view_event), wave, this));
1169 switch (ARDOUR_UI::config()->get_waveform_shape()) {
1171 wave->set_shape (WaveView::Rectified);
1174 wave->set_shape (WaveView::Normal);
1177 wave->set_logscaled (ARDOUR_UI::config()->get_waveform_scale() == Logarithmic);
1179 vector<ArdourCanvas::WaveView*> v;
1181 set_some_waveform_colors (v);
1183 if (!ARDOUR_UI::config()->get_show_waveforms ()) {
1187 /* note: calling this function is serialized by the lock
1188 held in the peak building thread that signals that
1189 peaks are ready for use *or* by the fact that it is
1190 called one by one from the GUI thread.
1193 if (which < nchans) {
1194 tmp_waves[which] = wave;
1196 /* n-channel track, >n-channel source */
1199 /* see if we're all ready */
1201 for (n = 0; n < nchans; ++n) {
1202 if (tmp_waves[n] == 0) {
1207 if (n == nwaves && waves.empty()) {
1208 /* all waves are ready */
1209 tmp_waves.resize(nwaves);
1216 /* channel wave created, don't hook into peaks ready anymore */
1217 delete _data_ready_connections[which];
1218 _data_ready_connections[which] = 0;
1222 AudioRegionView::peaks_ready_handler (uint32_t which)
1224 Gtkmm2ext::UI::instance()->call_slot (invalidator (*this), boost::bind (&AudioRegionView::create_one_wave, this, which, false));
1225 // cerr << "AudioRegionView::peaks_ready_handler() called on " << which << " this: " << this << endl;
1229 AudioRegionView::add_gain_point_event (ArdourCanvas::Item *item, GdkEvent *ev, bool with_guard_points)
1237 /* don't create points that can't be seen */
1239 update_envelope_visibility ();
1244 item->canvas_to_item (x, y);
1246 framepos_t fx = trackview.editor().pixel_to_sample (x);
1248 if (fx > _region->length()) {
1252 /* compute vertical fractional position */
1254 y = 1.0 - (y / (_height - NAME_HIGHLIGHT_SIZE));
1256 /* map using gain line */
1258 gain_line->view_to_model_coord (x, y);
1260 /* XXX STATEFUL: can't convert to stateful diff until we
1261 can represent automation data with it.
1264 trackview.editor().begin_reversible_command (_("add gain control point"));
1265 XMLNode &before = audio_region()->envelope()->get_state();
1267 if (!audio_region()->envelope_active()) {
1268 XMLNode ®ion_before = audio_region()->get_state();
1269 audio_region()->set_envelope_active(true);
1270 XMLNode ®ion_after = audio_region()->get_state();
1271 trackview.session()->add_command (new MementoCommand<AudioRegion>(*(audio_region().get()), ®ion_before, ®ion_after));
1274 audio_region()->envelope()->editor_add (fx, y, with_guard_points);
1276 XMLNode &after = audio_region()->envelope()->get_state();
1277 trackview.session()->add_command (new MementoCommand<AutomationList>(*audio_region()->envelope().get(), &before, &after));
1278 trackview.editor().commit_reversible_command ();
1282 AudioRegionView::remove_gain_point_event (ArdourCanvas::Item *item, GdkEvent* /*ev*/)
1284 ControlPoint *cp = reinterpret_cast<ControlPoint *> (item->get_data ("control_point"));
1285 audio_region()->envelope()->erase (cp->model());
1289 AudioRegionView::add_ghost (TimeAxisView& tv)
1291 RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*>(&trackview);
1294 double unit_position = _region->position () / samples_per_pixel;
1295 AudioGhostRegion* ghost = new AudioGhostRegion (tv, trackview, unit_position);
1298 nchans = rtv->track()->n_channels().n_audio();
1300 for (uint32_t n = 0; n < nchans; ++n) {
1302 if (n >= audio_region()->n_channels()) {
1306 WaveView *wave = new WaveView (ghost->group, audio_region());
1307 CANVAS_DEBUG_NAME (wave, string_compose ("ghost wave for %1", get_item_name()));
1309 wave->set_channel (n);
1310 wave->set_samples_per_pixel (samples_per_pixel);
1311 wave->set_amplitude_above_axis (_amplitude_above_axis);
1313 ghost->waves.push_back(wave);
1316 ghost->set_height ();
1317 ghost->set_duration (_region->length() / samples_per_pixel);
1318 ghost->set_colors();
1319 ghosts.push_back (ghost);
1325 AudioRegionView::entered ()
1327 trackview.editor().set_current_trimmable (_region);
1328 trackview.editor().set_current_movable (_region);
1330 update_envelope_visibility();
1332 if ((trackview.editor().current_mouse_mode() == Editing::MouseObject)) {
1333 if (start_xfade_rect) {
1334 start_xfade_rect->set_outline (true);
1336 if (end_xfade_rect) {
1337 end_xfade_rect->set_outline (true);
1339 if (fade_in_handle) {
1340 fade_in_handle->show ();
1341 fade_in_handle->raise_to_top ();
1343 if (fade_out_handle) {
1344 fade_out_handle->show ();
1345 fade_out_handle->raise_to_top ();
1347 if (fade_in_trim_handle) {
1348 boost::shared_ptr<AudioRegion> ar (audio_region());
1349 if (!ar->locked() && (ar->fade_in()->back()->when > 64 || (ar->can_trim() & Trimmable::FrontTrimEarlier))) {
1350 fade_in_trim_handle->show ();
1351 fade_in_trim_handle->raise_to_top ();
1353 fade_in_trim_handle->hide ();
1356 if (fade_out_trim_handle) {
1357 boost::shared_ptr<AudioRegion> ar (audio_region());
1358 if (!ar->locked() && (ar->fade_out()->back()->when > 64 || (ar->can_trim() & Trimmable::EndTrimLater))) {
1359 fade_out_trim_handle->show ();
1360 fade_out_trim_handle->raise_to_top ();
1362 fade_out_trim_handle->hide ();
1365 } else { //this happens when we switch tools; if we switch away from Grab mode, hide all the fade handles
1366 if (fade_in_handle) { fade_in_handle->hide(); }
1367 if (fade_out_handle) { fade_out_handle->hide(); }
1368 if (fade_in_trim_handle) { fade_in_trim_handle->hide(); }
1369 if (fade_out_trim_handle) { fade_out_trim_handle->hide(); }
1370 if (start_xfade_rect) { start_xfade_rect->set_outline (false); }
1371 if (end_xfade_rect) { end_xfade_rect->set_outline (false); }
1376 AudioRegionView::exited ()
1378 trackview.editor().set_current_trimmable (boost::shared_ptr<Trimmable>());
1379 trackview.editor().set_current_movable (boost::shared_ptr<Movable>());
1382 // gain_line->remove_visibility (AutomationLine::ControlPoints);
1385 if (fade_in_handle) { fade_in_handle->hide(); }
1386 if (fade_out_handle) { fade_out_handle->hide(); }
1387 if (fade_in_trim_handle) { fade_in_trim_handle->hide(); }
1388 if (fade_out_trim_handle) { fade_out_trim_handle->hide(); }
1389 if (start_xfade_rect) { start_xfade_rect->set_outline (false); }
1390 if (end_xfade_rect) { end_xfade_rect->set_outline (false); }
1394 AudioRegionView::envelope_active_changed ()
1397 gain_line->set_line_color (audio_region()->envelope_active() ?
1398 ARDOUR_UI::config()->color ("gain line") :
1399 ARDOUR_UI::config()->color_mod ("gain line inactive", "gain line inactive"));
1400 update_envelope_visibility ();
1405 AudioRegionView::color_handler ()
1407 //case cMutedWaveForm:
1409 //case cWaveFormClip:
1413 //case cGainLineInactive:
1415 envelope_active_changed();
1420 AudioRegionView::set_waveform_colors ()
1422 set_some_waveform_colors (waves);
1426 AudioRegionView::set_some_waveform_colors (vector<ArdourCanvas::WaveView*>& waves_to_color)
1428 ArdourCanvas::Color fill;
1429 ArdourCanvas::Color outline;
1430 ArdourCanvas::Color clip = ARDOUR_UI::config()->color ("clipped waveform");
1431 ArdourCanvas::Color zero = ARDOUR_UI::config()->color ("zero line");
1434 if (_region->muted()) {
1435 /* hide outline with zero alpha */
1436 outline = UINT_RGBA_CHANGE_A(ARDOUR_UI::config()->color ("selected waveform outline"), 0);
1437 fill = UINT_RGBA_CHANGE_A(ARDOUR_UI::config()->color ("selected waveform fill"), MUTED_ALPHA);
1439 outline = ARDOUR_UI::config()->color ("selected waveform outline");
1440 fill = ARDOUR_UI::config()->color ("selected waveform fill");
1444 outline = ARDOUR_UI::config()->color ("recording waveform outline");
1445 fill = ARDOUR_UI::config()->color ("recording waveform fill");
1447 if (_region->muted()) {
1448 /* hide outline with zero alpha */
1449 outline = UINT_RGBA_CHANGE_A(ARDOUR_UI::config()->color ("waveform outline"), 0);
1450 fill = UINT_RGBA_CHANGE_A(ARDOUR_UI::config()->color ("waveform fill"), MUTED_ALPHA);
1452 outline = ARDOUR_UI::config()->color ("waveform outline");
1453 fill = ARDOUR_UI::config()->color ("waveform fill");
1458 for (vector<ArdourCanvas::WaveView*>::iterator w = waves_to_color.begin(); w != waves_to_color.end(); ++w) {
1459 (*w)->set_fill_color (fill);
1460 (*w)->set_outline_color (outline);
1461 (*w)->set_clip_color (clip);
1462 (*w)->set_zero_color (zero);
1467 AudioRegionView::set_frame_color ()
1473 RegionView::set_frame_color ();
1475 set_waveform_colors ();
1479 AudioRegionView::set_fade_visibility (bool yn)
1482 if (start_xfade_curve) { start_xfade_curve->show (); }
1483 if (end_xfade_curve) { end_xfade_curve->show (); }
1484 if (start_xfade_rect) { start_xfade_rect->show (); }
1485 if (end_xfade_rect) { end_xfade_rect->show (); }
1487 if (start_xfade_curve) { start_xfade_curve->hide(); }
1488 if (end_xfade_curve) { end_xfade_curve->hide(); }
1489 if (fade_in_handle) { fade_in_handle->hide(); }
1490 if (fade_out_handle) { fade_out_handle->hide(); }
1491 if (fade_in_trim_handle) { fade_in_trim_handle->hide(); }
1492 if (fade_out_trim_handle) { fade_out_trim_handle->hide(); }
1493 if (start_xfade_rect) { start_xfade_rect->hide (); }
1494 if (end_xfade_rect) { end_xfade_rect->hide (); }
1495 if (start_xfade_rect) { start_xfade_rect->set_outline (false); }
1496 if (end_xfade_rect) { end_xfade_rect->set_outline (false); }
1501 AudioRegionView::update_coverage_frames (LayerDisplay d)
1503 RegionView::update_coverage_frames (d);
1505 if (fade_in_handle) { fade_in_handle->raise_to_top (); }
1506 if (fade_out_handle) { fade_out_handle->raise_to_top (); }
1507 if (fade_in_trim_handle) { fade_in_trim_handle->raise_to_top (); }
1508 if (fade_out_trim_handle) { fade_out_trim_handle->raise_to_top (); }
1512 AudioRegionView::show_region_editor ()
1515 editor = new AudioRegionEditor (trackview.session(), audio_region());
1523 AudioRegionView::transients_changed ()
1525 AnalysisFeatureList analysis_features = _region->transients();
1527 while (feature_lines.size() < analysis_features.size()) {
1529 ArdourCanvas::Line* canvas_item = new ArdourCanvas::Line(group);
1530 CANVAS_DEBUG_NAME (canvas_item, string_compose ("transient group for %1", region()->name()));
1532 canvas_item->set (ArdourCanvas::Duple (-1.0, 2.0),
1533 ArdourCanvas::Duple (1.0, _height - TimeAxisViewItem::NAME_HIGHLIGHT_SIZE - 1));
1535 canvas_item->raise_to_top ();
1536 canvas_item->show ();
1538 canvas_item->set_data ("regionview", this);
1539 canvas_item->Event.connect (sigc::bind (sigc::mem_fun (PublicEditor::instance(), &PublicEditor::canvas_feature_line_event), canvas_item, this));
1541 feature_lines.push_back (make_pair(0, canvas_item));
1544 while (feature_lines.size() > analysis_features.size()) {
1545 ArdourCanvas::Line* line = feature_lines.back().second;
1546 feature_lines.pop_back ();
1550 AnalysisFeatureList::const_iterator i;
1551 list<std::pair<framepos_t, ArdourCanvas::Line*> >::iterator l;
1553 for (i = analysis_features.begin(), l = feature_lines.begin(); i != analysis_features.end() && l != feature_lines.end(); ++i, ++l) {
1555 float *pos = new float;
1556 *pos = trackview.editor().sample_to_pixel (*i);
1559 ArdourCanvas::Duple (*pos, 2.0),
1560 ArdourCanvas::Duple (*pos, _height - TimeAxisViewItem::NAME_HIGHLIGHT_SIZE - 1)
1563 (*l).second->set_data ("position", pos);
1569 AudioRegionView::update_transient(float /*old_pos*/, float new_pos)
1571 /* Find frame at old pos, calulate new frame then update region transients*/
1572 list<std::pair<framepos_t, ArdourCanvas::Line*> >::iterator l;
1574 for (l = feature_lines.begin(); l != feature_lines.end(); ++l) {
1576 /* Line has been updated in drag so we compare to new_pos */
1578 float* pos = (float*) (*l).second->get_data ("position");
1580 if (rint(new_pos) == rint(*pos)) {
1582 framepos_t old_frame = (*l).first;
1583 framepos_t new_frame = trackview.editor().pixel_to_sample (new_pos);
1585 _region->update_transient (old_frame, new_frame);
1593 AudioRegionView::remove_transient(float pos)
1595 /* Find frame at old pos, calulate new frame then update region transients*/
1596 list<std::pair<framepos_t, ArdourCanvas::Line*> >::iterator l;
1598 for (l = feature_lines.begin(); l != feature_lines.end(); ++l) {
1600 /* Line has been updated in drag so we compare to new_pos */
1601 float *line_pos = (float*) (*l).second->get_data ("position");
1603 if (rint(pos) == rint(*line_pos)) {
1604 _region->remove_transient ((*l).first);
1611 AudioRegionView::thaw_after_trim ()
1613 RegionView::thaw_after_trim ();
1620 AudioRegionView::show_xfades ()
1622 show_start_xfade ();
1627 AudioRegionView::drag_start ()
1629 TimeAxisViewItem::drag_start ();
1631 //we used to hide xfades here. I don't see the point with the new model, but we can re-implement if needed
1635 AudioRegionView::drag_end ()
1637 TimeAxisViewItem::drag_end ();
1638 //see comment for drag_start
1640 if (fade_in_handle && fade_in_handle->visible()) {
1641 // lenght of region or fade changed, re-check
1642 // if fade_in_trim_handle or fade_out_trim_handle should
1643 // be visible. -- If the fade_in_handle is visible
1644 // we have focus and are not in internal edit mode.
1650 AudioRegionView::parameter_changed (string const & p)
1652 if (p == "show-waveforms") {
1653 setup_waveform_visibility ();